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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 1.378 by root, Thu Oct 4 11:36:54 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
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
326	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
329		435
330	my $busy = 1;	436	my $busy = 1;
331	my @res;	437	my @res;
332		438
333	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	441	@res = eval { $job->() };
335	warn $@ if $@;	442	warn $@ if $@;
336	undef $busy;	443	undef $busy;
337	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
338		445
339	while ($busy) {	446	while ($busy) {
340	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
341	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
342		456
343	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
344	} else {	458	} else {
345	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
346		460
…		…
366	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
367		481
368	$coro	482	$coro
369	}	483	}
370		484
371	sub write_runtime {	485	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		486
374	my $runtime = "$LOCALDIR/runtime";	487	Executes the given code block with the given arguments in a seperate
		488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
375		491
376	warn "starting to write runtime...\n";#d#	492	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		493
380	my $value = $cf::RUNTIME + 90 + 10;	494	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	495	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		496
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	497	# we seemingly have to make a local copy of the whole thing,
385	and return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
386		500
387	# always fsync - this file is important	501	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	502	reset_signals;
389	and return;	503	&$cb
		504	}, @args;
390		505
391	close $fh	506	wantarray ? @res : $res[-1]
392	or return;	507	}
393		508
394	aio_rename "$runtime~", $runtime	509	=item $value = cf::db_get $family => $key
395	and return;
396		510
397	warn "... done writing runtime.\n";#d#	511	Returns a single value from the environment database.
398		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
399	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
400	}	634	}
401		635
402	=item cf::datalog type => key => value, ...	636	=item cf::datalog type => key => value, ...
403		637
404	Log a datalog packet of the given type with the given key-value pairs.	638	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")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
423	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
424		658
425	In the following description, CLASS can be any of C<global>, C<object>	659	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	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
427	crossfire+).	661	Crossfire TRT).
428		662
429	=over 4	663	=over 4
430		664
431	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
432		666
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
596		830
597	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		835
602	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	837	my $pkg = shift @arg;
604		838
605	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
635	}	869	}
636		870
637	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
638	} else {	872	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	874	}
641		875
642	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
643	}	877	}
644		878
…		…
646	if (ref $_[0]) {	880	if (ref $_[0]) {
647	_object_attach @_;	881	_object_attach @_;
648	} else {	882	} else {
649	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
650	}	884	}
		885	_recalc_want;
651	};	886	};
652		887
653	# all those should be optimised	888	# all those should be optimised
654	sub cf::attachable::detach {	889	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
659	reattach ($obj);	894	reattach ($obj);
660	} else {	895	} else {
661	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
662	}	897	}
		898	_recalc_want;
663	};	899	};
664		900
665	sub cf::attachable::attached {	901	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
667		903
…		…
682	";	918	";
683	die if $@;	919	die if $@;
684	}	920	}
685		921
686	our $override;	922	our $override;
687	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688		924
689	sub override {	925	sub override {
690	$override = 1;	926	$override = 1;
691	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
692	}	928	}
693		929
694	sub do_invoke {	930	sub do_invoke {
695	my $event = shift;	931	my $event = shift;
696	my $callbacks = shift;	932	my $callbacks = shift;
697		933
698	@invoke_results = ();	934	@INVOKE_RESULTS = ();
699		935
700	local $override;	936	local $override;
701		937
702	for (@$callbacks) {	938	for (@$callbacks) {
703	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
720		956
721	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
722		958
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	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	960	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		962
727	=back	963	=back
728		964
729	=cut	965	=cut
730		966
731	#############################################################################	967	#############################################################################
732	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
733		980
734	sub reattach {	981	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	983	my ($obj) = @_;
737		984
…		…
784	sub object_freezer_save {	1031	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
786		1033
787	sync_job {	1034	sync_job {
788	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
791		1039
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
814	}	1062	}
815	} else {	1063	} else {
816	aio_unlink $filename;	1064	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
818	}	1066	}
819	}	1067	};
820	}	1068	}
821		1069
822	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
824		1072
…		…
836	or return;	1084	or return;
837		1085
838	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
840	or return;	1088	or return;
		1089
841	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
842	}	1091	}
843		1092
		1093	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
846	return ($data, $av);	1097	($data, $av)
847	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
848		1105
849	#############################################################################	1106	#############################################################################
850	# command handling &c	1107	# command handling &c
851		1108
852	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1123	}
867		1124
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1126
870	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
871		1132
872	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
873	called.	1134	called.
874		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
875	=cut	1147	=cut
876		1148
877	sub register_extcmd {	1149	sub register_extcmd {
878	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
879		1151
880	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
881	}	1159	}
882		1160
883	cf::player->attach (	1161	cf::player->attach (
884	on_command => sub {	1162	on_command => sub {
885	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1172	cf::override;
895	},	1173	},
896	on_extcmd => sub {	1174	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
898		1176
899	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1178
901	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
907	} else {	1194	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1196	}
910		1197
911	cf::override;	1198	cf::override;
912	},	1199	},
913	);	1200	);
914		1201
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 {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
950	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1207	next unless -r $path;
952	eval {	1208
953	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
954	1	1266	}
955	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
956	}	1272	};
957	}	1273	}
958		1274
959	#############################################################################	1275	#############################################################################
960		1276
		1277	=back
		1278
961	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
962		1280
963	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
964		1282
965	=cut	1283	=cut
…		…
969	use Coro::AIO;	1287	use Coro::AIO;
970		1288
971	=head3 cf::player	1289	=head3 cf::player
972		1290
973	=over 4	1291	=over 4
		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
974		1306
975	=item cf::player::find $login	1307	=item cf::player::find $login
976		1308
977	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
978		1310
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1349	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1350
1019	my $pl = load_pl path $login	1351	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
1022	}	1359	}
1023	}	1360	}
1024	}	1361	}
1025		1362
…		…
1035		1372
1036	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1038		1375
1039	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1040	Coro::cede;	1377	cf::cede_to_tick;
1041	}	1378	}
1042		1379
1043	sub new($) {	1380	sub new($) {
1044	my ($login) = @_;	1381	my ($login) = @_;
1045		1382
…		…
1049	$self->{deny_save} = 1;	1386	$self->{deny_save} = 1;
1050		1387
1051	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1052		1389
1053	$self	1390	$self
		1391	}
		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
1054	}	1401	}
1055		1402
1056	=item $pl->quit_character	1403	=item $pl->quit_character
1057		1404
1058	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
…		…
1113	or return [];	1460	or return [];
1114		1461
1115	my @logins;	1462	my @logins;
1116		1463
1117	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1121		1473
1122	utf8::decode $login;	1474	utf8::decode $login;
1123	push @logins, $login;	1475	push @logins, $login;
1124	}	1476	}
1125		1477
…		…
1152	}	1504	}
1153		1505
1154	\@paths	1506	\@paths
1155	}	1507	}
1156		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1157	=item $player->ext_reply ($msgid, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1158		1561
1159	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1160		1563
1161	=cut	1564	=cut
1162		1565
1163	sub ext_reply($$%) {	1566	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1165		1568
1166	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1570	}
1170		1571
1171	=item $player->ext_event ($type, %msg)	1572	=item $player->ext_msg ($type, @msg)
1172		1573
1173	Sends an ext event to the client.	1574	Sends an ext event to the client.
1174		1575
1175	=cut	1576	=cut
1176		1577
1177	sub ext_event($$%) {	1578	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1579	my ($self, $type, @msg) = @_;
1179		1580
1180	$self->ns->ext_event ($type, %msg);	1581	$self->ns->ext_msg ($type, @msg);
1181	}	1582	}
1182		1583
1183	=head3 cf::region	1584	=head3 cf::region
1184		1585
1185	=over 4	1586	=over 4
…		…
1188		1589
1189	package cf::region;	1590	package cf::region;
1190		1591
1191	=item cf::region::find_by_path $path	1592	=item cf::region::find_by_path $path
1192		1593
1193	Tries to decuce the probable region for a map knowing only its path.	1594	Tries to decuce the likely region for a map knowing only its path.
1194		1595
1195	=cut	1596	=cut
1196		1597
1197	sub find_by_path($) {	1598	sub find_by_path($) {
1198	my ($path) = @_;	1599	my ($path) = @_;
1199		1600
1200	my ($match, $specificity);	1601	my ($match, $specificity);
1201		1602
1202	for my $region (list) {	1603	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1604	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1605	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1606	if $region->specificity > $specificity;
1206	}	1607	}
1207	}	1608	}
1208		1609
…		…
1272	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1273		1674
1274	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1275	local $self->{path};	1676	local $self->{path};
1276	local $self->{load_path};	1677	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1678
1280	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1281	}	1680	}
1282		1681
1283	sub normalise {	1682	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1331	return $self;	1730	return $self;
1332	}	1731	}
1333	}	1732	}
1334		1733
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1735	()
1337	}	1736	}
1338		1737
1339	sub init {	1738	sub init {
1340	my ($self) = @_;	1739	my ($self) = @_;
…		…
1383		1782
1384	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1386	}	1785	}
1387		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1388	sub unlink_save {	1795	sub unlink_save {
1389	my ($self) = @_;	1796	my ($self) = @_;
1390		1797
1391	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1802
1396	sub load_header_from($) {	1803	sub load_header_from($) {
1397	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1398		1805
1399	utf8::encode $path;	1806	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1405		1815
1406	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1407		1817
1408	1	1818	1
1409	}	1819	}
…		…
1448	$self->load_header_orig	1858	$self->load_header_orig
1449	or return;	1859	or return;
1450	$self->prepare_orig;	1860	$self->prepare_orig;
1451	}	1861	}
1452		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
1453	$self->default_region (cf::region::find_by_path $self->{path})	1866	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1867	unless $self->default_region;
1455		1868
1456	1	1869	1
1457	}	1870	}
…		…
1460	sub find {	1873	sub find {
1461	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1462		1875
1463	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1464		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1466		1880
1467	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1469	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1470	or return;	1886	or return;
1471		1887
1472	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1473		1889
1474	$map->load_header	1890	$map->load_header
1475	or return;	1891	or return;
1476		1892
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1480	$map->reset;	1898	$map->reset;
1481	undef $guard;
1482	return find $path;	1899	return find $path;
1483	}	1900	}
1484		1901
1485	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1486	}	1903	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1496		1913
1497	my $path = $self->{path};	1914	my $path = $self->{path};
1498		1915
1499	{	1916	{
1500	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1501		1918
		1919	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		1921
1504	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1505		1923
1506	$self->alloc;	1924	$self->alloc;
1507		1925
1508	$self->pre_load;	1926	$self->pre_load;
1509	Coro::cede;	1927	cf::cede_to_tick;
1510		1928
		1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	1931	$self->_load_objects ($f)
1512	or return;	1932	or return;
1513		1933
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515	if delete $self->{load_original};	1935	if delete $self->{load_original};
1516		1936
1517	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	1938	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	1941	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1522	}	1945	}
1523	}	1946	}
1524		1947
1525	Coro::cede;	1948	$f->resolve_delayed_derefs;
		1949
		1950	cf::cede_to_tick;
1526	# now do the right thing for maps	1951	# now do the right thing for maps
1527	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	1954	unless $self->difficulty;
1530	Coro::cede;	1955	cf::cede_to_tick;
1531		1956
1532	unless ($self->{deny_activate}) {	1957	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	1958	$self->decay_objects;
1534	$self->fix_auto_apply;	1959	$self->fix_auto_apply;
1535	$self->update_buttons;	1960	$self->update_buttons;
1536	Coro::cede;	1961	cf::cede_to_tick;
1537	$self->set_darkness_map;	1962	$self->set_darkness_map;
1538	Coro::cede;	1963	cf::cede_to_tick;
1539	$self->activate;	1964	$self->activate;
1540	}	1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
1541		1969
1542	$self->in_memory (cf::MAP_IN_MEMORY);	1970	$self->in_memory (cf::MAP_IN_MEMORY);
1543	}	1971	}
1544		1972
1545	$self->post_load;	1973	$self->post_load;
…		…
1549	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1550		1978
1551	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	1980	if $self->per_player;
1553		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1554	$self	1985	$self
1555	}	1986	}
1556		1987
1557	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	1989	sub load_neighbours {
1559	my ($map) = @_;	1990	my ($map) = @_;
1560		1991
1561	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1562		1993
1563	for (0 .. 3) {	1994	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1565	or next;	1996	or next;
1566	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1567	or next;	1998	or next;
1568	$neigh->load;	1999	$neigh->load;
1569		2000
		2001	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2004	}
1573		2005
1574	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1576	or next;	2009	or next;
1577	$neigh->load;	2010	$neigh->load;
1578	}	2011	}
1579	}	2012	}
1580		2013
…		…
1585	}	2018	}
1586		2019
1587	sub do_load_sync {	2020	sub do_load_sync {
1588	my ($map) = @_;	2021	my ($map) = @_;
1589		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1590	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1591	}	2027	}
1592		2028
1593	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1595		2031
1596	sub find_async {	2032	sub find_async {
1597	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1598		2034
1599	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1600		2036
1601	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603	}	2039	}
1604		2040
1605	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1606	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1607	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2048	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2049	$map->load if $v;
		2050	}
1612		2051
1613	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1614	}	2053	}
1615	}	2054	}
1616	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1617	};	2056	};
1618	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2060	}
1622		2061
1623	sub save {	2062	sub save {
1624	my ($self) = @_;	2063	my ($self) = @_;
1625		2064
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2066
1628	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1629		2068
1630	return unless $self->dirty;	2069	return unless $self->dirty;
1631		2070
…		…
1637	return if $self->{deny_save};	2076	return if $self->{deny_save};
1638		2077
1639	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1640		2079
1641	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1643	};	2083	};
1644		2084
1645	if ($uniq) {	2085	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1654	my ($self) = @_;	2094	my ($self) = @_;
1655		2095
1656	# save first because save cedes	2096	# save first because save cedes
1657	$self->save;	2097	$self->save;
1658		2098
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2100
1661	return if $self->players;	2101	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};	2103	return if $self->{deny_save};
1664		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2109	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2110	}
1668		2111
1669	sub reset_at {	2112	sub reset_at {
1670	my ($self) = @_;	2113	my ($self) = @_;
1671		2114
1672	# TODO: safety, remove and allow resettable per-player maps	2115	# 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};	2116	return 1e99 if $self->{deny_reset};
1675		2117
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2120
…		…
1689	my ($self) = @_;	2131	my ($self) = @_;
1690		2132
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2134
1693	return if $self->players;	2135	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2136
1696	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
1697		2138
1698	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->in_memory (cf::MAP_SWAPPED);
1699		2140
1700	# need to save uniques path	2141	# need to save uniques path
1701	unless ($self->{deny_save}) {	2142	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2146	if $uniq;
1706	}	2147	}
1707		2148
1708	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1709		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2153	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2154
1714	$self->unlink_save;	2155	$self->unlink_save;
1715	$self->destroy;	2156	$self->destroy;
1716	}	2157	}
1717		2158
1718	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1719		2160
1720	sub nuke {	2161	sub nuke {
1721	my ($self) = @_;	2162	my ($self) = @_;
1722		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1723	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1724		2168
1725	$self->unlink_save;	2169	$self->unlink_save;
1726		2170
1727	bless $self, "cf::map";	2171	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2176
1733	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1734		2179
1735	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1736	}	2217	}
1737		2218
1738	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1739		2220
1740	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2222	instantiated unique items. May block.
1742		2223
1743	=cut	2224	=cut
1744		2225
1745	sub unique_maps() {	2226	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2227	[
1747	or return;	2228	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2229	utf8::decode $_;
1753	next if /\.pst$/;	2230	/\.map$/
1754	next unless /^$PATH_SEP/o;	2231	? normalise $_
1755		2232	: ()
1756	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2234	]
1758
1759	\@paths
1760	}	2235	}
1761		2236
1762	package cf;	2237	package cf;
1763		2238
1764	=back	2239	=back
…		…
1782	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1783	}	2258	}
1784		2259
1785	sub inv_recursive {	2260	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2279	my ($uuid, $name) = ($1, $2);
		2280	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2281	or return;
		2282	$pl->ob->uuid eq $uuid
		2283	or return;
		2284
		2285	$pl->ob
		2286	} else {
		2287	warn "$ref: cannot resolve object reference\n";
		2288	undef
		2289	}
1787	}	2290	}
1788		2291
1789	package cf;	2292	package cf;
1790		2293
1791	=back	2294	=back
…		…
1810		2313
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2314	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2315
1813	if ($self->{record_replies}) {	2316	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2317	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2318
1815	} else {	2319	} else {
		2320	my $pl = $self->contr;
		2321
		2322	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2323	my $dialog = $pl->{npc_dialog};
		2324	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2325
		2326	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2327	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2328	$self->message ($msg, $flags);
		2329	}
1818	}	2330	}
		2331	}
		2332
		2333	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2334
		2335	=cut
		2336
		2337	sub cf::object::send_msg {
		2338	my $pl = shift->contr
		2339	or return;
		2340	$pl->send_msg (@_);
1819	}	2341	}
1820		2342
1821	=item $player_object->may ("access")	2343	=item $player_object->may ("access")
1822		2344
1823	Returns wether the given player is authorized to access resource "access"	2345	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2392	$self->deactivate_recursive;
1871		2393
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2394	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2395
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2396	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2397	if $self->map && $self->map->{path} ne "{link}";
1876		2398
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2399	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2400	}
1879		2401
1880	sub cf::object::player::leave_link {	2402	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2403	my ($self, $map, $x, $y) = @_;
		2404
		2405	return unless $self->contr->active;
1882		2406
1883	my $link_pos = delete $self->{_link_pos};	2407	my $link_pos = delete $self->{_link_pos};
1884		2408
1885	unless ($map) {	2409	unless ($map) {
1886	# restore original map position	2410	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2424	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2425	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2426	if $x <=0 && $y <= 0;
1903		2427
1904	$map->load;	2428	$map->load;
1905	$map->load_diag;	2429	$map->load_neighbours;
1906		2430
1907	return unless $self->contr->active;	2431	return unless $self->contr->active;
1908	$self->activate_recursive;	2432	$self->activate_recursive;
1909		2433
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2434	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2435	$self->enter_map ($map, $x, $y);
1912	}	2436	}
1913		2437
1914	cf::player->attach (	2438	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2439
1918	# abort map switching before logout	2440	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2441	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2442	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2443	the new (success) or old (failed) map position. In either case, $done will
1922	};	2444	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2445
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	2446	=cut
		2447
		2448	our $GOTOGEN;
1949		2449
1950	sub cf::object::player::goto {	2450	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2451	my ($self, $path, $x, $y, $check, $done) = @_;
		2452
		2453	# do generation counting so two concurrent goto's will be executed in-order
		2454	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2455
1953	$self->enter_link;	2456	$self->enter_link;
1954		2457
1955	(async {	2458	(async {
		2459	$Coro::current->{desc} = "player::goto $path $x $y";
		2460
		2461	# *tag paths override both path and x|y
		2462	if ($path =~ /^\*(.*)$/) {
		2463	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2464	my $ob = $obs[rand @obs];
		2465
		2466	# see if we actually can go there
		2467	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2468	$ob = $obs[rand @obs];
		2469	} else {
		2470	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472	# else put us there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	} else {
		2476	($path, $x, $y) = (undef, undef, undef);
		2477	}
		2478	}
		2479
1956	my $map = eval {	2480	my $map = eval {
1957	my $map = cf::map::find $path;	2481	my $map = defined $path ? cf::map::find $path : undef;
		2482
		2483	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2484	$map = $map->customise_for ($self);
		2485	$map = $check->($map) if $check && $map;
		2486	} else {
		2487	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2488	}
		2489
1959	$map	2490	$map
		2491	};
		2492
		2493	if ($@) {
		2494	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2495	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2496	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2497
		2498	if ($gen == $self->{_goto_generation}) {
		2499	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2500	$self->leave_link ($map, $x, $y);
		2501	}
		2502
		2503	$done->() if $done;
1964	})->prio (1);	2504	})->prio (1);
1965	}	2505	}
1966		2506
1967	=item $player_object->enter_exit ($exit_object)	2507	=item $player_object->enter_exit ($exit_object)
1968		2508
…		…
2037	my $hp = $exit->stats->hp;	2577	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2578	my $sp = $exit->stats->sp;
2039		2579
2040	$self->enter_link;	2580	$self->enter_link;
2041		2581
		2582	# if exit is damned, update players death & WoR home-position
		2583	$self->contr->savebed ($slaying, $hp, $sp)
		2584	if $exit->flag (FLAG_DAMNED);
		2585
2042	(async {	2586	(async {
		2587	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2588
2043	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2590	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
2046		2592
2047	1;	2593	1;
…		…
2073		2619
2074	utf8::encode $text;	2620	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2622	}
2077		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "infobox",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "infobox",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	"c/lookat" => {
		2647	id => "infobox",
		2648	title => "Look",
		2649	reply => undef,
		2650	tooltip => "What you saw there",
		2651	},
		2652	);
		2653
		2654	sub cf::client::send_msg {
		2655	my ($self, $channel, $msg, $color, @extra) = @_;
		2656
		2657	$msg = $self->pl->expand_cfpod ($msg);
		2658
		2659	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2660
		2661	# check predefined channels, for the benefit of C
		2662	if ($CHANNEL{$channel}) {
		2663	$channel = $CHANNEL{$channel};
		2664
		2665	$self->ext_msg (channel_info => $channel)
		2666	if $self->can_msg;
		2667
		2668	$channel = $channel->{id};
		2669
		2670	} elsif (ref $channel) {
		2671	# send meta info to client, if not yet sent
		2672	unless (exists $self->{channel}{$channel->{id}}) {
		2673	$self->{channel}{$channel->{id}} = $channel;
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676	}
		2677
		2678	$channel = $channel->{id};
		2679	}
		2680
		2681	return unless @extra || length $msg;
		2682
		2683	if ($self->can_msg) {
		2684	# default colour, mask it out
		2685	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2686	if $color & cf::NDI_DEF;
		2687
		2688	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2689	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2690	} else {
		2691	if ($color >= 0) {
		2692	# replace some tags by gcfclient-compatible ones
		2693	for ($msg) {
		2694	1 while
		2695	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2696	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2697	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2698	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2699	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2700	}
		2701
		2702	$color &= cf::NDI_COLOR_MASK;
		2703
		2704	utf8::encode $msg;
		2705
		2706	if (0 && $msg =~ /\[/) {
		2707	# COMMAND/INFO
		2708	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2709	} else {
		2710	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2711	$self->send_packet ("drawinfo $color $msg")
		2712	}
		2713	}
		2714	}
		2715	}
		2716
2078	=item $client->ext_event ($type, %msg)	2717	=item $client->ext_msg ($type, @msg)
2079		2718
2080	Sends an exti event to the client.	2719	Sends an ext event to the client.
2081		2720
2082	=cut	2721	=cut
2083		2722
2084	sub cf::client::ext_event($$%) {	2723	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2724	my ($self, $type, @msg) = @_;
2086		2725
		2726	if ($self->extcmd == 2) {
		2727	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2728	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2729	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2731	}
		2732	}
		2733
		2734	=item $client->ext_reply ($msgid, @msg)
		2735
		2736	Sends an ext reply to the client.
		2737
		2738	=cut
		2739
		2740	sub cf::client::ext_reply($$@) {
		2741	my ($self, $id, @msg) = @_;
		2742
		2743	if ($self->extcmd == 2) {
		2744	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2745	} elsif ($self->extcmd == 1) {
		2746	#TODO: version 1, remove
		2747	unshift @msg, msgtype => "reply", msgid => $id;
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2749	}
2089	}	2750	}
2090		2751
2091	=item $success = $client->query ($flags, "text", \&cb)	2752	=item $success = $client->query ($flags, "text", \&cb)
2092		2753
2093	Queues a query to the client, calling the given callback with	2754	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>,	2755	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>.	2756	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2757
2097	Queries can fail, so check the return code. Or don't, as queries will become	2758	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2759	become reliable at some point in the future.
2099		2760
2100	=cut	2761	=cut
2101		2762
2102	sub cf::client::query {	2763	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2764	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2772	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2773	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2774
2114	$self->send_packet ($self->{query_queue}[0][0])	2775	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2776	if @{ $self->{query_queue} } == 1;
		2777
		2778	1
2116	}	2779	}
2117		2780
2118	cf::client->attach (	2781	cf::client->attach (
		2782	on_connect => sub {
		2783	my ($ns) = @_;
		2784
		2785	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2786	},
2119	on_reply => sub {	2787	on_reply => sub {
2120	my ($ns, $msg) = @_;	2788	my ($ns, $msg) = @_;
2121		2789
2122	# this weird shuffling is so that direct followup queries	2790	# this weird shuffling is so that direct followup queries
2123	# get handled first	2791	# get handled first
…		…
2135	} else {	2803	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2804	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2805	}
2138	}	2806	}
2139	},	2807	},
		2808	on_exticmd => sub {
		2809	my ($ns, $buf) = @_;
		2810
		2811	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2812
		2813	if (ref $msg) {
		2814	my ($type, $reply, @payload) =
		2815	"ARRAY" eq ref $msg
		2816	? @$msg
		2817	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2818
		2819	my @reply;
		2820
		2821	if (my $cb = $EXTICMD{$type}) {
		2822	@reply = $cb->($ns, @payload);
		2823	}
		2824
		2825	$ns->ext_reply ($reply, @reply)
		2826	if $reply;
		2827
		2828	} else {
		2829	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2830	}
		2831
		2832	cf::override;
		2833	},
2140	);	2834	);
2141		2835
2142	=item $client->async (\&cb)	2836	=item $client->async (\&cb)
2143		2837
2144	Create a new coroutine, running the specified callback. The coroutine will	2838	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	2879	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	2880	our $safe_hole = new Safe::Hole;
2187		2881
2188	$SIG{FPE} = 'IGNORE';	2882	$SIG{FPE} = 'IGNORE';
2189		2883
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2884	$safe->permit_only (Opcode::opset qw(
		2885	:base_core :base_mem :base_orig :base_math
		2886	grepstart grepwhile mapstart mapwhile
		2887	sort time
		2888	));
2191		2889
2192	# here we export the classes and methods available to script code	2890	# here we export the classes and methods available to script code
2193		2891
2194	=pod	2892	=pod
2195		2893
2196	The following functions and methods are available within a safe environment:	2894	The following functions and methods are available within a safe environment:
2197		2895
2198	cf::object contr pay_amount pay_player map	2896	cf::object
		2897	contr pay_amount pay_player map x y force_find force_add
		2898	insert remove name archname title slaying race decrease_ob_nr
		2899
2199	cf::object::player player	2900	cf::object::player
2200	cf::player peaceful	2901	player
2201	cf::map trigger	2902
		2903	cf::player
		2904	peaceful
		2905
		2906	cf::map
		2907	trigger
2202		2908
2203	=cut	2909	=cut
2204		2910
2205	for (	2911	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	2912	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2913	insert remove inv name archname title slaying race
		2914	decrease_ob_nr)],
2207	["cf::object::player" => qw(player)],	2915	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	2916	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	2917	["cf::map" => qw(trigger)],
2210	) {	2918	) {
2211	no strict 'refs';	2919	no strict 'refs';
…		…
2282	=back	2990	=back
2283		2991
2284	=cut	2992	=cut
2285		2993
2286	#############################################################################	2994	#############################################################################
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 $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	2995	# the server's init and main functions
2462		2996
2463	sub load_facedata($) {	2997	sub load_facedata($) {
2464	my ($path) = @_;	2998	my ($path) = @_;
		2999
		3000	# HACK to clear player env face cache, we need some signal framework
		3001	# for this (global event?)
		3002	%ext::player_env::MUSIC_FACE_CACHE = ();
		3003
		3004	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		3005
2466	warn "loading facedata from $path\n";	3006	warn "loading facedata from $path\n";
2467		3007
2468	my $facedata;	3008	my $facedata;
2469	0 < aio_load $path, $facedata	3009	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3012	$facedata = Coro::Storable::thaw $facedata;
2473		3013
2474	$facedata->{version} == 2	3014	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3015	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3016
		3017	# patch in the exptable
		3018	$facedata->{resource}{"res/exp_table"} = {
		3019	type => FT_RSRC,
		3020	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3021	};
		3022	cf::cede_to_tick;
		3023
2477	{	3024	{
2478	my $faces = $facedata->{faceinfo};	3025	my $faces = $facedata->{faceinfo};
2479		3026
2480	while (my ($face, $info) = each %$faces) {	3027	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3028	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3029	cf::face::set_visibility $idx, $info->{visibility};
		3030	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3031	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3032	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3033
		3034	cf::cede_to_tick;
2486	}	3035	}
2487		3036
2488	while (my ($face, $info) = each %$faces) {	3037	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3038	next unless $info->{smooth};
2490	my $idx = cf::face::find $face	3039	my $idx = cf::face::find $face
2491	or next;	3040	or next;
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3041	if (my $smooth = cf::face::find $info->{smooth}) {
		3042	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3043	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3044	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3045	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3046	}
2497	Coro::cede;	3047
		3048	cf::cede_to_tick;
2498	}	3049	}
2499	}	3050	}
2500		3051
2501	{	3052	{
2502	my $anims = $facedata->{animinfo};	3053	my $anims = $facedata->{animinfo};
2503		3054
2504	while (my ($anim, $info) = each %$anims) {	3055	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3056	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3057	cf::cede_to_tick;
2507	}	3058	}
2508		3059
2509	cf::anim::invalidate_all; # d'oh	3060	cf::anim::invalidate_all; # d'oh
2510	}	3061	}
2511		3062
		3063	{
		3064	# TODO: for gcfclient pleasure, we should give resources
		3065	# that gcfclient doesn't grok a >10000 face index.
		3066	my $res = $facedata->{resource};
		3067
		3068	my $soundconf = delete $res->{"res/sound.conf"};
		3069
		3070	while (my ($name, $info) = each %$res) {
		3071	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3072	my $data;
		3073
		3074	if ($info->{type} & 1) {
		3075	# prepend meta info
		3076
		3077	my $meta = $enc->encode ({
		3078	name => $name,
		3079	%{ $info->{meta} || {} },
		3080	});
		3081
		3082	$data = pack "(w/a*)*", $meta, $info->{data};
		3083	} else {
		3084	$data = $info->{data};
		3085	}
		3086
		3087	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3088	cf::face::set_type $idx, $info->{type};
		3089
		3090	cf::cede_to_tick;
		3091	}
		3092
		3093	if ($soundconf) {
		3094	$soundconf = $enc->decode (delete $soundconf->{data});
		3095
		3096	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3097	my $sound = $soundconf->{compat}[$_]
		3098	or next;
		3099
		3100	my $face = cf::face::find "sound/$sound->[1]";
		3101	cf::sound::set $sound->[0] => $face;
		3102	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3103	}
		3104
		3105	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3106	my $face = cf::face::find "sound/$v";
		3107	cf::sound::set $k => $face;
		3108	}
		3109	}
		3110	}
		3111
2512	1	3112	1
2513	}	3113	}
2514		3114
		3115	register_exticmd fx_want => sub {
		3116	my ($ns, $want) = @_;
		3117
		3118	while (my ($k, $v) = each %$want) {
		3119	$ns->fx_want ($k, $v);
		3120	}
		3121	};
		3122
2515	sub reload_regions {	3123	sub reload_regions {
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
2516	load_resource_file "$MAPDIR/regions"	3128	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3129	or die "unable to load regions file\n";
		3130
		3131	for (cf::region::list) {
		3132	$_->{match} = qr/$_->{match}/
		3133	if exists $_->{match};
		3134	}
2518	}	3135	}
2519		3136
2520	sub reload_facedata {	3137	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3138	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3139	or die "unable to load facedata\n";
2523	}	3140	}
2524		3141
2525	sub reload_archetypes {	3142	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	3143	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	3144	or die "unable to load archetypes\n";
		3145	#d# NEED to laod twice to resolve forward references
		3146	# this really needs to be done in an extra post-pass
		3147	# (which needs to be synchronous, so solve it differently)
		3148	load_resource_file "$DATADIR/archetypes"
		3149	or die "unable to load archetypes\n";
2528	}	3150	}
2529		3151
2530	sub reload_treasures {	3152	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3153	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3154	or die "unable to load treasurelists\n";
…		…
2535	sub reload_resources {	3157	sub reload_resources {
2536	warn "reloading resource files...\n";	3158	warn "reloading resource files...\n";
2537		3159
2538	reload_regions;	3160	reload_regions;
2539	reload_facedata;	3161	reload_facedata;
		3162	#reload_archetypes;#d#
2540	reload_archetypes;	3163	reload_archetypes;
2541	reload_treasures;	3164	reload_treasures;
2542		3165
2543	warn "finished reloading resource files\n";	3166	warn "finished reloading resource files\n";
2544	}	3167	}
2545		3168
2546	sub init {	3169	sub init {
2547	reload_resources;	3170	reload_resources;
2548	}	3171	}
2549		3172
2550	sub cfg_load {	3173	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3174	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3175	or return;
2553		3176
2554	local $/;	3177	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3178	*CFG = YAML::Syck::Load <$fh>;
…		…
2571	sub main {	3194	sub main {
2572	# we must not ever block the main coroutine	3195	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3196	local $Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3198	(async {
		3199	$Coro::current->{desc} = "IDLE BUG HANDLER";
2576	Event::one_event;	3200	Event::one_event;
2577	})->prio (Coro::PRIO_MAX);	3201	})->prio (Coro::PRIO_MAX);
2578	};	3202	};
2579		3203
2580	cfg_load;	3204	reload_config;
2581	db_init;	3205	db_init;
2582	load_extensions;	3206	load_extensions;
2583		3207
2584	$TICK_WATCHER->start;	3208	$TICK_WATCHER->start;
2585	Event::loop;	3209	Event::loop;
…		…
2601	},	3225	},
2602	);	3226	);
2603	}	3227	}
2604	}	3228	}
2605		3229
		3230	sub write_runtime {
		3231	my $runtime = "$LOCALDIR/runtime";
		3232
		3233	# first touch the runtime file to show we are still running:
		3234	# the fsync below can take a very very long time.
		3235
		3236	IO::AIO::aio_utime $runtime, undef, undef;
		3237
		3238	my $guard = cf::lock_acquire "write_runtime";
		3239
		3240	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3241	or return;
		3242
		3243	my $value = $cf::RUNTIME + 90 + 10;
		3244	# 10 is the runtime save interval, for a monotonic clock
		3245	# 60 allows for the watchdog to kill the server.
		3246
		3247	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3248	and return;
		3249
		3250	# always fsync - this file is important
		3251	aio_fsync $fh
		3252	and return;
		3253
		3254	# touch it again to show we are up-to-date
		3255	aio_utime $fh, undef, undef;
		3256
		3257	close $fh
		3258	or return;
		3259
		3260	aio_rename "$runtime~", $runtime
		3261	and return;
		3262
		3263	warn "runtime file written.\n";
		3264
		3265	1
		3266	}
		3267
2606	sub emergency_save() {	3268	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3269	my $freeze_guard = cf::freeze_mainloop;
2608		3270
2609	warn "enter emergency perl save\n";	3271	warn "enter emergency perl save\n";
2610		3272
…		…
2685	%EXT_CORO = ();	3347	%EXT_CORO = ();
2686		3348
2687	warn "removing commands";	3349	warn "removing commands";
2688	%COMMAND = ();	3350	%COMMAND = ();
2689		3351
2690	warn "removing ext commands";	3352	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3353	%EXTCMD = ();
		3354	%EXTICMD = ();
2692		3355
2693	warn "unloading/nuking all extensions";	3356	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3357	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3358	warn "... unloading $pkg";
2696		3359
…		…
2739	warn "reloading cf.pm";	3402	warn "reloading cf.pm";
2740	require cf;	3403	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3405
2743	warn "loading config and database again";	3406	warn "loading config and database again";
2744	cf::cfg_load;	3407	cf::reload_config;
2745		3408
2746	warn "loading extensions";	3409	warn "loading extensions";
2747	cf::load_extensions;	3410	cf::load_extensions;
2748		3411
2749	warn "reattaching attachments to objects/players";	3412	warn "reattaching attachments to objects/players";
…		…
2785	register_command "reload" => sub {	3448	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3449	my ($who, $arg) = @_;
2787		3450
2788	if ($who->flag (FLAG_WIZ)) {	3451	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3452	$who->message ("reloading server.");
		3453	async {
		3454	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3455	reload_perl;
		3456	};
2791	}	3457	}
2792	};	3458	};
2793		3459
2794	unshift @INC, $LIBDIR;	3460	unshift @INC, $LIBDIR;
2795		3461
…		…
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3493	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3494	unless ++$bug_warning > 10;
2829	return;	3495	return;
2830	}	3496	}
2831		3497
2832	$NOW = Event::time;	3498	$NOW = $tick_start = Event::time;
2833		3499
2834	cf::server_tick; # one server iteration	3500	cf::server_tick; # one server iteration
2835		3501
2836	$RUNTIME += $TICK;	3502	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;	3503	$NEXT_TICK += $TICK;
2838		3504
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3505	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3506	$NEXT_RUNTIME_WRITE = $NOW + 10;
2841	Coro::async_pool {	3507	Coro::async_pool {
		3508	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3509	write_runtime
2843	or warn "ERROR: unable to write runtime file: $!";	3510	or warn "ERROR: unable to write runtime file: $!";
2844	};	3511	};
2845	}	3512	}
2846		3513
2847	# my $AFTER = Event::time;	3514	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2848	# warn $AFTER - $NOW;#d#	3515	$sig->send;
		3516	}
		3517	while (my $sig = shift @WAIT_FOR_TICK) {
		3518	$sig->send;
		3519	}
		3520
		3521	$NOW = Event::time;
2849		3522
2850	# if we are delayed by four ticks or more, skip them all	3523	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3524	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2852		3525
2853	$TICK_WATCHER->at ($NEXT_TICK);	3526	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;	3527	$TICK_WATCHER->start;
2855		3528
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3529	$LOAD = ($NOW - $tick_start) / $TICK;
2857	$sig->send;	3530	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862		3531
2863	_post_tick;	3532	_post_tick;
2864	},	3533	},
2865	);	3534	);
2866		3535
2867	{	3536	{
		3537	BDB::min_parallel 8;
2868	BDB::max_poll_time $TICK * 0.1;	3538	BDB::max_poll_time $TICK * 0.1;
2869	$BDB_POLL_WATCHER = Event->io (	3539	$BDB_POLL_WATCHER = Event->io (
2870	reentrant => 0,	3540	reentrant => 0,
2871	fd => BDB::poll_fileno,	3541	fd => BDB::poll_fileno,
2872	poll => 'r',	3542	poll => 'r',
2873	prio => 0,	3543	prio => 0,
2874	data => WF_AUTOCANCEL,	3544	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,	3545	cb => \&BDB::poll_cb,
2876	);	3546	);
2877	BDB::min_parallel 8;
2878		3547
2879	BDB::set_sync_prepare {	3548	BDB::set_sync_prepare {
2880	my $status;	3549	my $status;
2881	my $current = $Coro::current;	3550	my $current = $Coro::current;
2882	(	3551	(
…		…
2891	)	3560	)
2892	};	3561	};
2893		3562
2894	unless ($DB_ENV) {	3563	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	3564	$DB_ENV = BDB::db_env_create;
		3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3566	| BDB::LOG_AUTOREMOVE, 1);
		3567	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3568	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		3569
2897	cf::sync_job {	3570	cf::sync_job {
2898	eval {	3571	eval {
2899	BDB::db_env_open	3572	BDB::db_env_open
2900	$DB_ENV,	3573	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3577	0666;
2905		3578
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3579	cf::cleanup "db_env_open($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	};	3580	};
2911		3581
2912	cf::cleanup "db_env_open(db): $@" if $@;	3582	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3583	};
2914	}	3584	}
		3585
		3586	$BDB_DEADLOCK_WATCHER = Event->timer (
		3587	after => 3,
		3588	interval => 1,
		3589	hard => 1,
		3590	prio => 0,
		3591	data => WF_AUTOCANCEL,
		3592	cb => sub {
		3593	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3594	},
		3595	);
		3596	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3597	after => 11,
		3598	interval => 60,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_TRICKLE_WATCHER = Event->timer (
		3607	after => 5,
		3608	interval => 10,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3614	},
		3615	);
2915	}	3616	}
2916		3617
2917	{	3618	{
2918	IO::AIO::min_parallel 8;	3619	IO::AIO::min_parallel 8;
2919		3620
…		…
2922	$AIO_POLL_WATCHER = Event->io (	3623	$AIO_POLL_WATCHER = Event->io (
2923	reentrant => 0,	3624	reentrant => 0,
2924	data => WF_AUTOCANCEL,	3625	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,	3626	fd => IO::AIO::poll_fileno,
2926	poll => 'r',	3627	poll => 'r',
2927	prio => 6,	3628	prio => 0,
2928	cb => \&IO::AIO::poll_cb,	3629	cb => \&IO::AIO::poll_cb,
2929	);	3630	);
2930	}	3631	}
2931		3632
2932	my $_log_backtrace;	3633	my $_log_backtrace;
…		…
2938		3639
2939	# limit the # of concurrent backtraces	3640	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	3641	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	3642	++$_log_backtrace;
2942	async {	3643	async {
		3644	$Coro::current->{desc} = "abt $msg";
		3645
2943	my @bt = fork_call {	3646	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	3647	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3648	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3649	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	3650	or die "addr2line: $!";

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