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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 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;
…		…
83	our %CFG;	87	our %CFG;
84		88
85	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	90	our $RUNTIME;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
94		102
95	binmode STDOUT;	103	binmode STDOUT;
96	binmode STDERR;	104	binmode STDERR;
97		105
98	# read virtual server time, if available	106	# read virtual server time, if available
…		…
139		147
140	=item $cf::TICK	148	=item $cf::TICK
141		149
142	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
143		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
		161
144	=item %cf::CFG	162	=item %cf::CFG
145		163
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	165	from wherever your confdir points to.
148		166
…		…
150		168
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	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	170	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.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
155	=back	179	=back
156		180
157	=cut	181	=cut
158		182
159	BEGIN {	183	BEGIN {
…		…
163	$msg .= "\n"	187	$msg .= "\n"
164	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
165		189
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		191
168	utf8::encode $msg;
169	LOG llevError, $msg;	192	LOG llevError, $msg;
170	};	193	};
171	}	194	}
172		195
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		203
180	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	205	# within the Safe compartment.
182	for my $pkg (qw(	206	for my $pkg (qw(
183	cf::global cf::attachable	207	cf::global cf::attachable
…		…
191	}	215	}
192		216
193	$Event::DIED = sub {	217	$Event::DIED = sub {
194	warn "error in event callback: @_";	218	warn "error in event callback: @_";
195	};	219	};
		220
		221	#############################################################################
196		222
197	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
198		224
199	=over 4	225	=over 4
200		226
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	246	$d
221	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
222	}	248	}
223		249
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
227		251
228	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
229		253
230	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
231		255
232	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
		257
		258	=cut
		259
		260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		261
		262	sub to_json ($) { $json_coder->encode ($_[0]) }
		263	sub from_json ($) { $json_coder->decode ($_[0]) }
233		264
234	=item cf::lock_wait $string	265	=item cf::lock_wait $string
235		266
236	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
237		268
…		…
240	Wait until the given lock is available and then acquires it and returns	271	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,	272	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	273	for example when the coroutine gets canceled), the lock is automatically
243	returned.	274	returned.
244		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
245	Lock names should begin with a unique identifier (for example, cf::map::find	279	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	280	uses map_find and cf::map::load uses map_load).
247		281
248	=item $locked = cf::lock_active $string	282	=item $locked = cf::lock_active $string
249		283
250	Return true if the lock is currently active, i.e. somebody has locked it.	284	Return true if the lock is currently active, i.e. somebody has locked it.
251		285
252	=cut	286	=cut
253		287
254	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
255		290
256	sub lock_wait($) {	291	sub lock_wait($) {
257	my ($key) = @_;	292	my ($key) = @_;
		293
		294	if ($LOCKER{$key} == $Coro::current) {#d#
		295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		296	return;#d#
		297	}#d#
258		298
259	# wait for lock, if any	299	# wait for lock, if any
260	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	302	Coro::schedule;
…		…
268		308
269	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
270	lock_wait $key;	310	lock_wait $key;
271		311
272	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
273		314
274	Coro::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
277	}	319	}
278	}	320	}
279		321
…		…
291	};	333	};
292	$TICK_WATCHER->stop;	334	$TICK_WATCHER->stop;
293	$guard	335	$guard
294	}	336	}
295		337
		338	=item cf::get_slot $time[, $priority[, $name]]
		339
		340	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		341	This call blocks and returns only when you have at least C<$time> seconds
		342	of cpu time till the next tick. The slot is only valid till the next cede.
		343
		344	The optional C<$name> can be used to identify the job to run. It might be
		345	used for statistical purposes and should identify the same time-class.
		346
		347	Useful for short background jobs.
		348
		349	=cut
		350
		351	our @SLOT_QUEUE;
		352	our $SLOT_QUEUE;
		353
		354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		355	$SLOT_QUEUE = Coro::async {
		356	my $signal = new Coro::Signal;
		357
		358	while () {
		359	next_job:
		360	my $avail = cf::till_tick;
		361	if ($avail > 0.01) {
		362	for (0 .. $#SLOT_QUEUE) {
		363	if ($SLOT_QUEUE[$_][0] < $avail) {
		364	my $job = splice @SLOT_QUEUE, $_, 1, ();
		365	$job->[2]->send;
		366	Coro::cede;
		367	goto next_job;
		368	}
		369	}
		370	}
		371
		372	if (@SLOT_QUEUE) {
		373	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		374	push @cf::WAIT_FOR_TICK, $signal;
		375	$signal->wait;
		376	} else {
		377	Coro::schedule;
		378	}
		379	}
		380	};
		381
		382	sub get_slot($;$$) {
		383	my ($time, $pri, $name) = @_;
		384
		385	$time = $TICK * .6 if $time > $TICK * .6;
		386	my $sig = new Coro::Signal;
		387
		388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		390	$SLOT_QUEUE->ready;
		391	$sig->wait;
		392	}
		393
296	=item cf::async { BLOCK }	394	=item cf::async { BLOCK }
297		395
298	Currently the same as Coro::async_pool, meaning you cannot use	396	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	397	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.	398	thing you are allowed to do is call C<prio> on it.
…		…
303		401
304	BEGIN { *async = \&Coro::async_pool }	402	BEGIN { *async = \&Coro::async_pool }
305		403
306	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
307		405
308	The design of crossfire+ requires that the main coro ($Coro::main) is	406	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	407	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.	408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		409	acceptable.
311		410
312	If it must be done, put the blocking parts into C<sync_job>. This will run	411	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	412	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	413	server will be frozen during this time, so the block should either finish
315	fast or be very important.	414	fast or be very important.
…		…
318		417
319	sub sync_job(&) {	418	sub sync_job(&) {
320	my ($job) = @_;	419	my ($job) = @_;
321		420
322	if ($Coro::current == $Coro::main) {	421	if ($Coro::current == $Coro::main) {
		422	my $time = Event::time;
		423
323	# this is the main coro, too bad, we have to block	424	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	425	# till the operation succeeds, freezing the server :/
325		426
326	# TODO: use suspend/resume instead	427	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	428	# (but this is cancel-safe)
…		…
338		439
339	while ($busy) {	440	while ($busy) {
340	Coro::cede or Event::one_event;	441	Coro::cede or Event::one_event;
341	}	442	}
342		443
		444	$time = Event::time - $time;
		445
		446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		448
		449	$tick_start += $time; # do not account sync jobs to server load
		450
343	wantarray ? @res : $res[0]	451	wantarray ? @res : $res[0]
344	} else {	452	} else {
345	# we are in another coroutine, how wonderful, everything just works	453	# we are in another coroutine, how wonderful, everything just works
346		454
347	$job->()	455	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
367		475
368	$coro	476	$coro
369	}	477	}
370		478
371	sub write_runtime {	479	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		480
374	# first touch the runtime file to show we are still running:	481	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	482	process, returning the results. Everything must be serialisable with
		483	Coro::Storable. May, of course, block. Note that the executed sub may
		484	never block itself or use any form of Event handling.
376		485
377	warn "touching runtime...\n";#d#	486	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
379	utime undef, undef, $fh;
380	}
381		487
382	my $guard = cf::lock_acquire "write_runtime";	488	sub fork_call(&@) {
		489	my ($cb, @args) = @_;
383		490
384	warn "starting to write runtime...\n";#d#	491	# we seemingly have to make a local copy of the whole thing,
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	492	# otherwise perl prematurely frees the stuff :/
386	or return;	493	# TODO: investigate and fix (likely this will be rather laborious)
387		494
388	my $value = $cf::RUNTIME + 90 + 10;	495	my @res = Coro::Util::fork_eval {
389	# 10 is the runtime save interval, for a monotonic clock	496	reset_signals;
390	# 60 allows for the watchdog to kill the server.	497	&$cb
		498	}, @args;
391		499
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	wantarray ? @res : $res[-1]
393	and return;	501	}
394		502
395	# always fsync - this file is important	503	=item $value = cf::db_get $family => $key
396	aio_fsync $fh
397	and return;
398		504
399	# touch it again to show we are up-to-date	505	Returns a single value from the environment database.
400	utime undef, undef, $fh;
401		506
402	close $fh	507	=item cf::db_put $family => $key => $value
403	or return;
404		508
405	aio_rename "$runtime~", $runtime	509	Stores the given C<$value> in the family. It can currently store binary
406	and return;	510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
407		511
408	warn "... done writing runtime.\n";#d#	512	=cut
409		513
		514	our $DB;
		515
		516	sub db_init {
		517	unless ($DB) {
		518	$DB = BDB::db_create $DB_ENV;
		519
		520	cf::sync_job {
		521	eval {
		522	$DB->set_flags (BDB::CHKSUM);
		523
		524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		526	cf::cleanup "db_open(db): $!" if $!;
		527	};
		528	cf::cleanup "db_open(db): $@" if $@;
		529	};
410	1	530	}
		531	}
		532
		533	sub db_get($$) {
		534	my $key = "$_[0]/$_[1]";
		535
		536	cf::sync_job {
		537	BDB::db_get $DB, undef, $key, my $data;
		538
		539	$! ? ()
		540	: $data
		541	}
		542	}
		543
		544	sub db_put($$$) {
		545	BDB::dbreq_pri 4;
		546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		547	}
		548
		549	=item cf::cache $id => [$paths...], $processversion => $process
		550
		551	Generic caching function that returns the value of the resource $id,
		552	caching and regenerating as required.
		553
		554	This function can block.
		555
		556	=cut
		557
		558	sub cache {
		559	my ($id, $src, $processversion, $process) = @_;
		560
		561	my $meta =
		562	join "\x00",
		563	$processversion,
		564	map {
		565	aio_stat $_
		566	and Carp::croak "$_: $!";
		567
		568	($_, (stat _)[7,9])
		569	} @$src;
		570
		571	my $dbmeta = db_get cache => "$id/meta";
		572	if ($dbmeta ne $meta) {
		573	# changed, we may need to process
		574
		575	my @data;
		576	my $md5;
		577
		578	for (0 .. $#$src) {
		579	0 <= aio_load $src->[$_], $data[$_]
		580	or Carp::croak "$src->[$_]: $!";
		581	}
		582
		583	# if processing is expensive, check
		584	# checksum first
		585	if (1) {
		586	$md5 =
		587	join "\x00",
		588	$processversion,
		589	map {
		590	cf::cede_to_tick;
		591	($src->[$_], Digest::MD5::md5_hex $data[$_])
		592	} 0.. $#$src;
		593
		594
		595	my $dbmd5 = db_get cache => "$id/md5";
		596	if ($dbmd5 eq $md5) {
		597	db_put cache => "$id/meta", $meta;
		598
		599	return db_get cache => "$id/data";
		600	}
		601	}
		602
		603	my $t1 = Time::HiRes::time;
		604	my $data = $process->(\@data);
		605	my $t2 = Time::HiRes::time;
		606
		607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		608
		609	db_put cache => "$id/data", $data;
		610	db_put cache => "$id/md5" , $md5;
		611	db_put cache => "$id/meta", $meta;
		612
		613	return $data;
		614	}
		615
		616	db_get cache => "$id/data"
411	}	617	}
412		618
413	=item cf::datalog type => key => value, ...	619	=item cf::datalog type => key => value, ...
414		620
415	Log a datalog packet of the given type with the given key-value pairs.	621	Log a datalog packet of the given type with the given key-value pairs.
…		…
433	attach callbacks/event handlers (a collection of which is called an "attachment")	639	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
435		641
436	In the following description, CLASS can be any of C<global>, C<object>	642	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	643	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	644	Crossfire TRT).
439		645
440	=over 4	646	=over 4
441		647
442	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
443		649
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
607		813
608	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		818
613	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	820	my $pkg = shift @arg;
615		821
616	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
646	}	852	}
647		853
648	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
649	} else {	855	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	857	}
652		858
653	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
654	}	860	}
655		861
…		…
657	if (ref $_[0]) {	863	if (ref $_[0]) {
658	_object_attach @_;	864	_object_attach @_;
659	} else {	865	} else {
660	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
661	}	867	}
		868	_recalc_want;
662	};	869	};
663		870
664	# all those should be optimised	871	# all those should be optimised
665	sub cf::attachable::detach {	872	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
670	reattach ($obj);	877	reattach ($obj);
671	} else {	878	} else {
672	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
673	}	880	}
		881	_recalc_want;
674	};	882	};
675		883
676	sub cf::attachable::attached {	884	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
678		886
…		…
693	";	901	";
694	die if $@;	902	die if $@;
695	}	903	}
696		904
697	our $override;	905	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	906	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		907
700	sub override {	908	sub override {
701	$override = 1;	909	$override = 1;
702	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
703	}	911	}
704		912
705	sub do_invoke {	913	sub do_invoke {
706	my $event = shift;	914	my $event = shift;
707	my $callbacks = shift;	915	my $callbacks = shift;
708		916
709	@invoke_results = ();	917	@INVOKE_RESULTS = ();
710		918
711	local $override;	919	local $override;
712		920
713	for (@$callbacks) {	921	for (@$callbacks) {
714	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
731		939
732	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
733		941
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	942	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	943	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		945
738	=back	946	=back
739		947
740	=cut	948	=cut
741		949
742	#############################################################################	950	#############################################################################
743	# object support	951	# object support
		952	#
		953
		954	sub _can_merge {
		955	my ($ob1, $ob2) = @_;
		956
		957	local $Storable::canonical = 1;
		958	my $fob1 = Storable::freeze $ob1;
		959	my $fob2 = Storable::freeze $ob2;
		960
		961	$fob1 eq $fob2
		962	}
744		963
745	sub reattach {	964	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	966	my ($obj) = @_;
748		967
…		…
793	);	1012	);
794		1013
795	sub object_freezer_save {	1014	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
797		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
798	sync_job {	1019	sync_job {
799	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
802		1024
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1028	aio_fsync $fh if $cf::USE_FSYNC;
…		…
825	}	1047	}
826	} else {	1048	} else {
827	aio_unlink $filename;	1049	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
829	}	1051	}
830	}	1052	};
		1053
		1054	undef $guard;
831	}	1055	}
832		1056
833	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
835		1059
…		…
840		1064
841	sub object_thawer_load {	1065	sub object_thawer_load {
842	my ($filename) = @_;	1066	my ($filename) = @_;
843		1067
844	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
845		1071
846	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
847	or return;	1073	or return;
848		1074
849	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
851	or return;	1077	or return;
		1078
		1079	undef $guard;
852	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
853	}	1081	}
854		1082
		1083	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
857	return ($data, $av);	1087	($data, $av)
858	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
859		1095
860	#############################################################################	1096	#############################################################################
861	# command handling &c	1097	# command handling &c
862		1098
863	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1113	}
878		1114
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1116
881	Register a callbackf ro execution when the client sends an extcmd packet.	1117	Register a callback for execution when the client sends an (synchronous)
		1118	extcmd packet. Ext commands will be processed in the order they are
		1119	received by the server, like other user commands. The first argument is
		1120	the logged-in player. Ext commands can only be processed after a player
		1121	has logged in successfully.
882		1122
883	If the callback returns something, it is sent back as if reply was being	1123	If the callback returns something, it is sent back as if reply was being
884	called.	1124	called.
885		1125
		1126	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1127
		1128	Register a callback for execution when the client sends an (asynchronous)
		1129	exticmd packet. Exti commands are processed by the server as soon as they
		1130	are received, i.e. out of order w.r.t. other commands. The first argument
		1131	is a client socket. Exti commands can be received anytime, even before
		1132	log-in.
		1133
		1134	If the callback returns something, it is sent back as if reply was being
		1135	called.
		1136
886	=cut	1137	=cut
887		1138
888	sub register_extcmd {	1139	sub register_extcmd {
889	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
890		1141
891	$EXTCMD{$name} = $cb;	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
892	}	1149	}
893		1150
894	cf::player->attach (	1151	cf::player->attach (
895	on_command => sub {	1152	on_command => sub {
896	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1162	cf::override;
906	},	1163	},
907	on_extcmd => sub {	1164	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
909		1166
910	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1168
912	if (ref $msg) {	1169	if (ref $msg) {
		1170	my ($type, $reply, @payload) =
		1171	"ARRAY" eq ref $msg
		1172	? @$msg
		1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1174
		1175	my @reply;
		1176
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
918	} else {	1184	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1186	}
921		1187
922	cf::override;	1188	cf::override;
923	},	1189	},
924	);	1190	);
925		1191
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
961	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1197	next unless -r $path;
963	eval {	1198
964	load_extension $ext;	1199	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1200	my $base = $1;
		1201	my $pkg = $1;
		1202	$pkg =~ s/[^[:word:]]/_/g;
		1203	$pkg = "ext::$pkg";
		1204
		1205	open my $fh, "<:utf8", $path
		1206	or die "$path: $!";
		1207
		1208	my $source = do { local $/; <$fh> };
		1209
		1210	my %ext = (
		1211	path => $path,
		1212	base => $base,
		1213	pkg => $pkg,
		1214	);
		1215
		1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1218
		1219	$ext{source} =
		1220	"package $pkg; use strict; use utf8;\n"
		1221	. "#line 1 \"$path\"\n{\n"
		1222	. $source
		1223	. "\n};\n1";
		1224
		1225	$todo{$base} = \%ext;
		1226	}
		1227
		1228	my %done;
		1229	while (%todo) {
		1230	my $progress;
		1231
		1232	while (my ($k, $v) = each %todo) {
		1233	for (split /,\s*/, $v->{meta}{depends}) {
		1234	goto skip
		1235	unless exists $done{$_};
		1236	}
		1237
		1238	warn "... loading '$k' into '$v->{pkg}'\n";
		1239
		1240	unless (eval $v->{source}) {
		1241	my $msg = $@ ? "$v->{path}: $@\n"
		1242	: "$v->{base}: extension inactive.\n";
		1243
		1244	if (exists $v->{meta}{mandatory}) {
		1245	warn $msg;
		1246	warn "mandatory extension failed to load, exiting.\n";
		1247	exit 1;
		1248	}
		1249
		1250	warn $msg;
		1251	}
		1252
		1253	$done{$k} = delete $todo{$k};
		1254	push @EXTS, $v->{pkg};
		1255	$progress = 1;
965	1	1256	}
966	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
967	}	1262	};
968	}	1263	}
969		1264
970	#############################################################################	1265	#############################################################################
971		1266
		1267	=back
		1268
972	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
973		1270
974	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
975		1272
976	=cut	1273	=cut
…		…
980	use Coro::AIO;	1277	use Coro::AIO;
981		1278
982	=head3 cf::player	1279	=head3 cf::player
983		1280
984	=over 4	1281	=over 4
		1282
		1283	=item cf::player::num_playing
		1284
		1285	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1286
		1287	=cut
		1288
		1289	sub num_playing {
		1290	scalar grep
		1291	$_->ob->map
		1292	&& !$_->hidden
		1293	&& !$_->ob->flag (cf::FLAG_WIZ),
		1294	cf::player::list
		1295	}
985		1296
986	=item cf::player::find $login	1297	=item cf::player::find $login
987		1298
988	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
989		1300
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1339	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1340
1030	my $pl = load_pl path $login	1341	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1342	or return;
		1343
		1344	$f->next;
		1345	my $pl = cf::player::load_pl $f
		1346	or return;
		1347	local $cf::PLAYER_LOADING{$login} = $pl;
		1348	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
1033	}	1350	}
1034	}	1351	}
1035	}	1352	}
1036		1353
…		…
1046		1363
1047	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
1049		1366
1050	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
1051	Coro::cede;	1368	cf::cede_to_tick;
1052	}	1369	}
1053		1370
1054	sub new($) {	1371	sub new($) {
1055	my ($login) = @_;	1372	my ($login) = @_;
1056		1373
…		…
1060	$self->{deny_save} = 1;	1377	$self->{deny_save} = 1;
1061		1378
1062	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
1063		1380
1064	$self	1381	$self
		1382	}
		1383
		1384	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1385
		1386	=cut
		1387
		1388	sub send_msg {
		1389	my $ns = shift->ns
		1390	or return;
		1391	$ns->send_msg (@_);
1065	}	1392	}
1066		1393
1067	=item $pl->quit_character	1394	=item $pl->quit_character
1068		1395
1069	Nukes the player without looking back. If logged in, the connection will	1396	Nukes the player without looking back. If logged in, the connection will
…		…
1124	or return [];	1451	or return [];
1125		1452
1126	my @logins;	1453	my @logins;
1127		1454
1128	for my $login (@$dirs) {	1455	for my $login (@$dirs) {
		1456	my $path = path $login;
		1457
		1458	# a .pst is a dead give-away for a valid player
		1459	unless (-e "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1132		1464
1133	utf8::decode $login;	1465	utf8::decode $login;
1134	push @logins, $login;	1466	push @logins, $login;
1135	}	1467	}
1136		1468
…		…
1163	}	1495	}
1164		1496
1165	\@paths	1497	\@paths
1166	}	1498	}
1167		1499
		1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1501
		1502	Expand crossfire pod fragments into protocol xml.
		1503
		1504	=cut
		1505
		1506	sub expand_cfpod {
		1507	((my $self), (local $_)) = @_;
		1508
		1509	# escape & and <
		1510	s/&/&amp;/g;
		1511	s/(?<![BIUGHT])</&lt;/g;
		1512
		1513	# this is buggy, it needs to properly take care of nested <'s
		1514
		1515	1 while
		1516	# replace B<>, I<>, U<> etc.
		1517	s/B<([^\>]*)>/<b>$1<\/b>/
		1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1521	# replace G<male|female> tags
		1522	|| s{G<([^>|]*)\|([^>]*)>}{
		1523	$self->gender ? $2 : $1
		1524	}ge
		1525	# replace H<hint text>
		1526	|| s{H<([^\>]*)>}
		1527	{
		1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1530	"")
		1531	[$self->{hintmode}]
		1532	}ge;
		1533
		1534	# create single paragraphs (very hackish)
		1535	s/(?<=\S)\n(?=\w)/ /g;
		1536
		1537	# compress some whitespace
		1538	s/\s+\n/\n/g; # ws line-ends
		1539	s/\n\n+/\n/g; # double lines
		1540	s/^\n+//; # beginning lines
		1541	s/\n+$//; # ending lines
		1542
		1543	$_
		1544	}
		1545
		1546	sub hintmode {
		1547	$_[0]{hintmode} = $_[1] if @_ > 1;
		1548	$_[0]{hintmode}
		1549	}
		1550
1168	=item $player->ext_reply ($msgid, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1169		1552
1170	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1171		1554
1172	=cut	1555	=cut
1173		1556
1174	sub ext_reply($$%) {	1557	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1176		1559
1177	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1561	}
1181		1562
1182	=item $player->ext_event ($type, %msg)	1563	=item $player->ext_msg ($type, @msg)
1183		1564
1184	Sends an ext event to the client.	1565	Sends an ext event to the client.
1185		1566
1186	=cut	1567	=cut
1187		1568
1188	sub ext_event($$%) {	1569	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1570	my ($self, $type, @msg) = @_;
1190		1571
1191	$self->ns->ext_event ($type, %msg);	1572	$self->ns->ext_msg ($type, @msg);
1192	}	1573	}
1193		1574
1194	=head3 cf::region	1575	=head3 cf::region
1195		1576
1196	=over 4	1577	=over 4
…		…
1199		1580
1200	package cf::region;	1581	package cf::region;
1201		1582
1202	=item cf::region::find_by_path $path	1583	=item cf::region::find_by_path $path
1203		1584
1204	Tries to decuce the probable region for a map knowing only its path.	1585	Tries to decuce the likely region for a map knowing only its path.
1205		1586
1206	=cut	1587	=cut
1207		1588
1208	sub find_by_path($) {	1589	sub find_by_path($) {
1209	my ($path) = @_;	1590	my ($path) = @_;
1210		1591
1211	my ($match, $specificity);	1592	my ($match, $specificity);
1212		1593
1213	for my $region (list) {	1594	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1595	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1596	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1597	if $region->specificity > $specificity;
1217	}	1598	}
1218	}	1599	}
1219		1600
…		…
1283	my ($self, $merge) = @_;	1664	my ($self, $merge) = @_;
1284		1665
1285	# we have to keep some variables in memory intact	1666	# we have to keep some variables in memory intact
1286	local $self->{path};	1667	local $self->{path};
1287	local $self->{load_path};	1668	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1669
1291	$self->SUPER::thawer_merge ($merge);	1670	$self->SUPER::thawer_merge ($merge);
1292	}	1671	}
1293		1672
1294	sub normalise {	1673	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1720	$self->init; # pass $1 etc.
1342	return $self;	1721	return $self;
1343	}	1722	}
1344	}	1723	}
1345		1724
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1726	()
1348	}	1727	}
1349		1728
1350	sub init {	1729	sub init {
1351	my ($self) = @_;	1730	my ($self) = @_;
…		…
1394		1773
1395	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1397	}	1776	}
1398		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
1399	sub unlink_save {	1786	sub unlink_save {
1400	my ($self) = @_;	1787	my ($self) = @_;
1401		1788
1402	utf8::encode (my $save = $self->save_path);	1789	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1793
1407	sub load_header_from($) {	1794	sub load_header_from($) {
1408	my ($self, $path) = @_;	1795	my ($self, $path) = @_;
1409		1796
1410	utf8::encode $path;	1797	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1799	or return;
		1800
		1801	$self->_load_header ($f)
		1802	or return;
		1803
		1804	local $MAP_LOADING{$self->{path}} = $self;
		1805	$f->resolve_delayed_derefs;
1416		1806
1417	$self->{load_path} = $path;	1807	$self->{load_path} = $path;
1418		1808
1419	1	1809	1
1420	}	1810	}
…		…
1459	$self->load_header_orig	1849	$self->load_header_orig
1460	or return;	1850	or return;
1461	$self->prepare_orig;	1851	$self->prepare_orig;
1462	}	1852	}
1463		1853
		1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
		1856
1464	$self->default_region (cf::region::find_by_path $self->{path})	1857	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1858	unless $self->default_region;
1466		1859
1467	1	1860	1
1468	}	1861	}
…		…
1471	sub find {	1864	sub find {
1472	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1473		1866
1474	$path = normalise $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1475		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1870	cf::lock_wait "map_find:$path";
1477		1871
1478	$cf::MAP{$path} || do {	1872	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1875
1480	my $map = new_from_path cf::map $path	1876	my $map = new_from_path cf::map $path
1481	or return;	1877	or return;
1482		1878
1483	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1484		1880
1485	$map->load_header	1881	$map->load_header
1486	or return;	1882	or return;
1487		1883
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1885	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1491	$map->reset;	1889	$map->reset;
1492	undef $guard;
1493	return find $path;	1890	return find $path;
1494	}	1891	}
1495		1892
1496	$cf::MAP{$path} = $map	1893	$cf::MAP{$path} = $map
1497	}	1894	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	1903	local $self->{deny_reset} = 1; # loading can take a long time
1507		1904
1508	my $path = $self->{path};	1905	my $path = $self->{path};
1509		1906
1510	{	1907	{
1511	my $guard = cf::lock_acquire "map_load:$path";	1908	my $guard = cf::lock_acquire "map_data:$path";
1512		1909
		1910	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		1912
1515	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1516		1914
1517	$self->alloc;	1915	$self->alloc;
1518		1916
1519	$self->pre_load;	1917	$self->pre_load;
1520	Coro::cede;	1918	cf::cede_to_tick;
1521		1919
		1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	1922	$self->_load_objects ($f)
1523	or return;	1923	or return;
1524		1924
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526	if delete $self->{load_original};	1926	if delete $self->{load_original};
1527		1927
1528	if (my $uniq = $self->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	1929	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	1932	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1533	}	1936	}
1534	}	1937	}
1535		1938
1536	Coro::cede;	1939	$f->resolve_delayed_derefs;
		1940
		1941	cf::cede_to_tick;
1537	# now do the right thing for maps	1942	# now do the right thing for maps
1538	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	1945	unless $self->difficulty;
1541	Coro::cede;	1946	cf::cede_to_tick;
1542		1947
1543	unless ($self->{deny_activate}) {	1948	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	1949	$self->decay_objects;
1545	$self->fix_auto_apply;	1950	$self->fix_auto_apply;
1546	$self->update_buttons;	1951	$self->update_buttons;
1547	Coro::cede;	1952	cf::cede_to_tick;
1548	$self->set_darkness_map;	1953	$self->set_darkness_map;
1549	Coro::cede;	1954	cf::cede_to_tick;
1550	$self->activate;	1955	$self->activate;
1551	}	1956	}
		1957
		1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
1552		1960
1553	$self->in_memory (cf::MAP_IN_MEMORY);	1961	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	1962	}
1555		1963
1556	$self->post_load;	1964	$self->post_load;
…		…
1560	my ($self, $ob) = @_;	1968	my ($self, $ob) = @_;
1561		1969
1562	return find "~" . $ob->name . "/" . $self->{path}	1970	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1971	if $self->per_player;
1564		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
1565	$self	1976	$self
1566	}	1977	}
1567		1978
1568	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1980	sub load_neighbours {
1570	my ($map) = @_;	1981	my ($map) = @_;
1571		1982
1572	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1573		1984
1574	for (0 .. 3) {	1985	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1576	or next;	1987	or next;
1577	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1578	or next;	1989	or next;
1579	$neigh->load;	1990	$neigh->load;
1580		1991
		1992	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	1995	}
1584		1996
1585	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1587	or next;	2000	or next;
1588	$neigh->load;	2001	$neigh->load;
1589	}	2002	}
1590	}	2003	}
1591		2004
…		…
1596	}	2009	}
1597		2010
1598	sub do_load_sync {	2011	sub do_load_sync {
1599	my ($map) = @_;	2012	my ($map) = @_;
1600		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1601	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1602	}	2018	}
1603		2019
1604	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2021	our $MAP_PREFETCHER = undef;
1606		2022
1607	sub find_async {	2023	sub find_async {
1608	my ($path, $origin) = @_;	2024	my ($path, $origin, $load) = @_;
1609		2025
1610	$path = normalise $path, $origin && $origin->{path};	2026	$path = normalise $path, $origin && $origin->{path};
1611		2027
1612	if (my $map = $cf::MAP{$path}) {	2028	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614	}	2030	}
1615		2031
1616	undef $MAP_PREFETCH{$path};	2032	$MAP_PREFETCH{$path} |= $load;
		2033
1617	$MAP_PREFETCHER ||= cf::async {	2034	$MAP_PREFETCHER ||= cf::async {
1618	while (%MAP_PREFETCH) {	2035	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2036	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2037	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2038	$map->load if $v;
		2039	}
1623		2040
1624	delete $MAP_PREFETCH{$path};	2041	delete $MAP_PREFETCH{$k};
1625	}	2042	}
1626	}	2043	}
1627	undef $MAP_PREFETCHER;	2044	undef $MAP_PREFETCHER;
1628	};	2045	};
1629	$MAP_PREFETCHER->prio (6);	2046	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2049	}
1633		2050
1634	sub save {	2051	sub save {
1635	my ($self) = @_;	2052	my ($self) = @_;
1636		2053
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2055
1639	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1640		2057
1641	return unless $self->dirty;	2058	return unless $self->dirty;
1642		2059
…		…
1665	my ($self) = @_;	2082	my ($self) = @_;
1666		2083
1667	# save first because save cedes	2084	# save first because save cedes
1668	$self->save;	2085	$self->save;
1669		2086
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2088
1672	return if $self->players;	2089	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};	2091	return if $self->{deny_save};
1675		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2097	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2098	}
1679		2099
1680	sub reset_at {	2100	sub reset_at {
1681	my ($self) = @_;	2101	my ($self) = @_;
1682		2102
1683	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1686		2105
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2108
…		…
1700	my ($self) = @_;	2119	my ($self) = @_;
1701		2120
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2122
1704	return if $self->players;	2123	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2124
1707	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
1708		2126
1709	$self->in_memory (cf::MAP_SWAPPED);	2127	$self->in_memory (cf::MAP_SWAPPED);
1710		2128
1711	# need to save uniques path	2129	# need to save uniques path
1712	unless ($self->{deny_save}) {	2130	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2134	if $uniq;
1717	}	2135	}
1718		2136
1719	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1720		2138
		2139	$self->deactivate;
		2140	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2141	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2142
1725	$self->unlink_save;	2143	$self->unlink_save;
1726	$self->destroy;	2144	$self->destroy;
1727	}	2145	}
1728		2146
1729	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1730		2148
1731	sub nuke {	2149	sub nuke {
1732	my ($self) = @_;	2150	my ($self) = @_;
1733		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
1734	delete $cf::MAP{$self->path};	2155	delete $cf::MAP{$self->path};
1735		2156
1736	$self->unlink_save;	2157	$self->unlink_save;
1737		2158
1738	bless $self, "cf::map";	2159	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2160	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2164
1744	$cf::MAP{$self->path} = $self;	2165	$cf::MAP{$self->path} = $self;
		2166	}
1745		2167
1746	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
		2169	}
		2170
		2171	=item $maps = cf::map::tmp_maps
		2172
		2173	Returns an arrayref with all map paths of currently instantiated and saved
		2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
		2179	[
		2180	map {
		2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
		2187	}
		2188
		2189	=item $maps = cf::map::random_maps
		2190
		2191	Returns an arrayref with all map paths of currently instantiated and saved
		2192	random maps. May block.
		2193
		2194	=cut
		2195
		2196	sub random_maps() {
		2197	[
		2198	map {
		2199	utf8::decode $_;
		2200	/\.map$/
		2201	? normalise "?random/$_"
		2202	: ()
		2203	} @{ aio_readdir $RANDOMDIR or [] }
		2204	]
1747	}	2205	}
1748		2206
1749	=item cf::map::unique_maps	2207	=item cf::map::unique_maps
1750		2208
1751	Returns an arrayref of paths of all shared maps that have	2209	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2210	instantiated unique items. May block.
1753		2211
1754	=cut	2212	=cut
1755		2213
1756	sub unique_maps() {	2214	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2215	[
1758	or return;	2216	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2217	utf8::decode $_;
1764	next if /\.pst$/;	2218	/\.map$/
1765	next unless /^$PATH_SEP/o;	2219	? normalise $_
1766		2220	: ()
1767	push @paths, cf::map::normalise $_;	2221	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2222	]
1769
1770	\@paths
1771	}	2223	}
1772		2224
1773	package cf;	2225	package cf;
1774		2226
1775	=back	2227	=back
…		…
1793	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1794	}	2246	}
1795		2247
1796	sub inv_recursive {	2248	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2249	inv_recursive_ inv $_[0]
		2250	}
		2251
		2252	=item $ref = $ob->ref
		2253
		2254	creates and returns a persistent reference to an objetc that can be stored as a string.
		2255
		2256	=item $ob = cf::object::deref ($refstring)
		2257
		2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2259	even if the object actually exists. May block.
		2260
		2261	=cut
		2262
		2263	sub deref {
		2264	my ($ref) = @_;
		2265
		2266	# temporary compatibility#TODO#remove
		2267	$ref =~ s{^<}{player/<};
		2268
		2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2270	my ($uuid, $name) = ($1, $2);
		2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2272	or return;
		2273	$pl->ob->uuid eq $uuid
		2274	or return;
		2275
		2276	$pl->ob
		2277	} else {
		2278	warn "$ref: cannot resolve object reference\n";
		2279	undef
		2280	}
1798	}	2281	}
1799		2282
1800	package cf;	2283	package cf;
1801		2284
1802	=back	2285	=back
…		…
1821		2304
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2306
1824	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1826	} else {	2310	} else {
		2311	my $pl = $self->contr;
		2312
		2313	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2314	my $dialog = $pl->{npc_dialog};
		2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2316
		2317	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1829	}	2321	}
		2322	}
		2323
		2324	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2325
		2326	=cut
		2327
		2328	sub cf::object::send_msg {
		2329	my $pl = shift->contr
		2330	or return;
		2331	$pl->send_msg (@_);
1830	}	2332	}
1831		2333
1832	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1833		2335
1834	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1882		2384
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2386
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1887		2389
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2391	}
1890		2392
1891	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1893		2397
1894	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1895		2399
1896	unless ($map) {	2400	unless ($map) {
1897	# restore original map position	2401	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1914		2418
1915	$map->load;	2419	$map->load;
1916	$map->load_diag;	2420	$map->load_neighbours;
1917		2421
1918	return unless $self->contr->active;	2422	return unless $self->contr->active;
1919	$self->activate_recursive;	2423	$self->activate_recursive;
1920		2424
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1923	}	2427	}
1924		2428
1925	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2430
1929	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1933	};	2435	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2436
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1960		2440
1961	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
		2443
		2444	# do generation counting so two concurrent goto's will be executed in-order
		2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2446
1964	$self->enter_link;	2447	$self->enter_link;
1965		2448
1966	(async {	2449	(async {
1967	my $map = eval {	2450	my $map = eval {
1968	my $map = cf::map::find $path;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
		2455	$map = $check->($map) if $check && $map;
		2456	} else {
		2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2458	}
		2459
1970	$map	2460	$map
		2461	};
		2462
		2463	if ($@) {
		2464	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2465	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2466	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1975	})->prio (1);	2474	})->prio (1);
1976	}	2475	}
1977		2476
1978	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1979		2478
…		…
2048	my $hp = $exit->stats->hp;	2547	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2548	my $sp = $exit->stats->sp;
2050		2549
2051	$self->enter_link;	2550	$self->enter_link;
2052		2551
		2552	# if exit is damned, update players death & WoR home-position
		2553	$self->contr->savebed ($slaying, $hp, $sp)
		2554	if $exit->flag (FLAG_DAMNED);
		2555
2053	(async {	2556	(async {
2054	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2558	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2559	$self->goto ($slaying, $hp, $sp);
2057		2560
…		…
2084		2587
2085	utf8::encode $text;	2588	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2590	}
2088		2591
		2592	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2593
		2594	Send a drawinfo or msg packet to the client, formatting the msg for the
		2595	client if neccessary. C<$type> should be a string identifying the type of
		2596	the message, with C<log> being the default. If C<$color> is negative, suppress
		2597	the message unless the client supports the msg packet.
		2598
		2599	=cut
		2600
		2601	our %CHANNEL = (
		2602	"c/identify" => {
		2603	id => "identify",
		2604	title => "Identify",
		2605	reply => undef,
		2606	tooltip => "Items recently identified",
		2607	},
		2608	"c/examine" => {
		2609	id => "examine",
		2610	title => "Examine",
		2611	reply => undef,
		2612	tooltip => "Signs and other items you examined",
		2613	},
		2614	);
		2615
		2616	sub cf::client::send_msg {
		2617	my ($self, $channel, $msg, $color, @extra) = @_;
		2618
		2619	$msg = $self->pl->expand_cfpod ($msg);
		2620
		2621	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2622
		2623	# check predefined channels, for the benefit of C
		2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2625
		2626	if (ref $channel) {
		2627	# send meta info to client, if not yet sent
		2628	unless (exists $self->{channel}{$channel->{id}}) {
		2629	$self->{channel}{$channel->{id}} = $channel;
		2630	$self->ext_msg (channel_info => $channel)
		2631	if $self->can_msg;
		2632	}
		2633
		2634	$channel = $channel->{id};
		2635	}
		2636
		2637	return unless @extra || length $msg;
		2638
		2639	if ($self->can_msg) {
		2640	# default colour, mask it out
		2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2642	if $color & cf::NDI_DEF;
		2643
		2644	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2646	} else {
		2647	if ($color >= 0) {
		2648	# replace some tags by gcfclient-compatible ones
		2649	for ($msg) {
		2650	1 while
		2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2656	}
		2657
		2658	$color &= cf::NDI_COLOR_MASK;
		2659
		2660	utf8::encode $msg;
		2661
		2662	if (0 && $msg =~ /\[/) {
		2663	# COMMAND/INFO
		2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2665	} else {
		2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2667	$self->send_packet ("drawinfo $color $msg")
		2668	}
		2669	}
		2670	}
		2671	}
		2672
2089	=item $client->ext_event ($type, %msg)	2673	=item $client->ext_msg ($type, @msg)
2090		2674
2091	Sends an exti event to the client.	2675	Sends an ext event to the client.
2092		2676
2093	=cut	2677	=cut
2094		2678
2095	sub cf::client::ext_event($$%) {	2679	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2680	my ($self, $type, @msg) = @_;
2097		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2685	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2687	}
		2688	}
		2689
		2690	=item $client->ext_reply ($msgid, @msg)
		2691
		2692	Sends an ext reply to the client.
		2693
		2694	=cut
		2695
		2696	sub cf::client::ext_reply($$@) {
		2697	my ($self, $id, @msg) = @_;
		2698
		2699	if ($self->extcmd == 2) {
		2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2701	} elsif ($self->extcmd == 1) {
		2702	#TODO: version 1, remove
		2703	unshift @msg, msgtype => "reply", msgid => $id;
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2705	}
2100	}	2706	}
2101		2707
2102	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
2103		2709
2104	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2711	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2712	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2713
2108	Queries can fail, so check the return code. Or don't, as queries will become	2714	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2715	become reliable at some point in the future.
2110		2716
2111	=cut	2717	=cut
2112		2718
2113	sub cf::client::query {	2719	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2728	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2730
2125	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
2127	}	2735	}
2128		2736
2129	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
2130	on_reply => sub {	2743	on_reply => sub {
2131	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
2132		2745
2133	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
2134	# get handled first	2747	# get handled first
…		…
2146	} else {	2759	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2761	}
2149	}	2762	}
2150	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($ns, $buf) = @_;
		2766
		2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2768
		2769	if (ref $msg) {
		2770	my ($type, $reply, @payload) =
		2771	"ARRAY" eq ref $msg
		2772	? @$msg
		2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2774
		2775	my @reply;
		2776
		2777	if (my $cb = $EXTICMD{$type}) {
		2778	@reply = $cb->($ns, @payload);
		2779	}
		2780
		2781	$ns->ext_reply ($reply, @reply)
		2782	if $reply;
		2783
		2784	} else {
		2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2786	}
		2787
		2788	cf::override;
		2789	},
2151	);	2790	);
2152		2791
2153	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
2154		2793
2155	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
2198		2837
2199	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
2200		2839
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
2202		2845
2203	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
2204		2847
2205	=pod	2848	=pod
2206		2849
2207	The following functions and methods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
2208		2851
2209	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
2210	cf::object::player player	2856	cf::object::player
2211	cf::player peaceful	2857	player
2212	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
2213		2864
2214	=cut	2865	=cut
2215		2866
2216	for (	2867	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
2218	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2221	) {	2874	) {
2222	no strict 'refs';	2875	no strict 'refs';
…		…
2293	=back	2946	=back
2294		2947
2295	=cut	2948	=cut
2296		2949
2297	#############################################################################	2950	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2951	# the server's init and main functions
2473		2952
2474	sub load_facedata($) {	2953	sub load_facedata($) {
2475	my ($path) = @_;	2954	my ($path) = @_;
		2955
		2956	# HACK to clear player env face cache, we need some signal framework
		2957	# for this (global event?)
		2958	%ext::player_env::MUSIC_FACE_CACHE = ();
		2959
		2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		2961
2477	warn "loading facedata from $path\n";	2962	warn "loading facedata from $path\n";
2478		2963
2479	my $facedata;	2964	my $facedata;
2480	0 < aio_load $path, $facedata	2965	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	2968	$facedata = Coro::Storable::thaw $facedata;
2484		2969
2485	$facedata->{version} == 2	2970	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		2972
		2973	# patch in the exptable
		2974	$facedata->{resource}{"res/exp_table"} = {
		2975	type => FT_RSRC,
		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2977	};
		2978	cf::cede_to_tick;
		2979
2488	{	2980	{
2489	my $faces = $facedata->{faceinfo};	2981	my $faces = $facedata->{faceinfo};
2490		2982
2491	while (my ($face, $info) = each %$faces) {	2983	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2985	cf::face::set_visibility $idx, $info->{visibility};
		2986	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	2989
		2990	cf::cede_to_tick;
2497	}	2991	}
2498		2992
2499	while (my ($face, $info) = each %$faces) {	2993	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	2994	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	2995	my $idx = cf::face::find $face
2502	or next;	2996	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	2997	if (my $smooth = cf::face::find $info->{smooth}) {
		2998	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3000	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3002	}
2508	Coro::cede;	3003
		3004	cf::cede_to_tick;
2509	}	3005	}
2510	}	3006	}
2511		3007
2512	{	3008	{
2513	my $anims = $facedata->{animinfo};	3009	my $anims = $facedata->{animinfo};
2514		3010
2515	while (my ($anim, $info) = each %$anims) {	3011	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3013	cf::cede_to_tick;
2518	}	3014	}
2519		3015
2520	cf::anim::invalidate_all; # d'oh	3016	cf::anim::invalidate_all; # d'oh
2521	}	3017	}
2522		3018
		3019	{
		3020	# TODO: for gcfclient pleasure, we should give resources
		3021	# that gcfclient doesn't grok a >10000 face index.
		3022	my $res = $facedata->{resource};
		3023
		3024	my $soundconf = delete $res->{"res/sound.conf"};
		3025
		3026	while (my ($name, $info) = each %$res) {
		3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3028	my $data;
		3029
		3030	if ($info->{type} & 1) {
		3031	# prepend meta info
		3032
		3033	my $meta = $enc->encode ({
		3034	name => $name,
		3035	%{ $info->{meta} || {} },
		3036	});
		3037
		3038	$data = pack "(w/a*)*", $meta, $info->{data};
		3039	} else {
		3040	$data = $info->{data};
		3041	}
		3042
		3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3044	cf::face::set_type $idx, $info->{type};
		3045
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	if ($soundconf) {
		3050	$soundconf = $enc->decode (delete $soundconf->{data});
		3051
		3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3053	my $sound = $soundconf->{compat}[$_]
		3054	or next;
		3055
		3056	my $face = cf::face::find "sound/$sound->[1]";
		3057	cf::sound::set $sound->[0] => $face;
		3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3059	}
		3060
		3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3062	my $face = cf::face::find "sound/$v";
		3063	cf::sound::set $k => $face;
		3064	}
		3065	}
		3066	}
		3067
2523	1	3068	1
2524	}	3069	}
2525		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
2526	sub reload_regions {	3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
2527	load_resource_file "$MAPDIR/regions"	3084	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3085	or die "unable to load regions file\n";
		3086
		3087	for (cf::region::list) {
		3088	$_->{match} = qr/$_->{match}/
		3089	if exists $_->{match};
		3090	}
2529	}	3091	}
2530		3092
2531	sub reload_facedata {	3093	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3094	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3095	or die "unable to load facedata\n";
2534	}	3096	}
2535		3097
2536	sub reload_archetypes {	3098	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	3099	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
2539	}	3106	}
2540		3107
2541	sub reload_treasures {	3108	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3109	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3110	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	3113	sub reload_resources {
2547	warn "reloading resource files...\n";	3114	warn "reloading resource files...\n";
2548		3115
2549	reload_regions;	3116	reload_regions;
2550	reload_facedata;	3117	reload_facedata;
		3118	#reload_archetypes;#d#
2551	reload_archetypes;	3119	reload_archetypes;
2552	reload_treasures;	3120	reload_treasures;
2553		3121
2554	warn "finished reloading resource files\n";	3122	warn "finished reloading resource files\n";
2555	}	3123	}
2556		3124
2557	sub init {	3125	sub init {
2558	reload_resources;	3126	reload_resources;
2559	}	3127	}
2560		3128
2561	sub cfg_load {	3129	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3131	or return;
2564		3132
2565	local $/;	3133	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
…		…
2586	(async {	3154	(async {
2587	Event::one_event;	3155	Event::one_event;
2588	})->prio (Coro::PRIO_MAX);	3156	})->prio (Coro::PRIO_MAX);
2589	};	3157	};
2590		3158
2591	cfg_load;	3159	reload_config;
2592	db_init;	3160	db_init;
2593	load_extensions;	3161	load_extensions;
2594		3162
2595	$TICK_WATCHER->start;	3163	$TICK_WATCHER->start;
2596	Event::loop;	3164	Event::loop;
…		…
2612	},	3180	},
2613	);	3181	);
2614	}	3182	}
2615	}	3183	}
2616		3184
		3185	sub write_runtime {
		3186	my $runtime = "$LOCALDIR/runtime";
		3187
		3188	# first touch the runtime file to show we are still running:
		3189	# the fsync below can take a very very long time.
		3190
		3191	IO::AIO::aio_utime $runtime, undef, undef;
		3192
		3193	my $guard = cf::lock_acquire "write_runtime";
		3194
		3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3196	or return;
		3197
		3198	my $value = $cf::RUNTIME + 90 + 10;
		3199	# 10 is the runtime save interval, for a monotonic clock
		3200	# 60 allows for the watchdog to kill the server.
		3201
		3202	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3203	and return;
		3204
		3205	# always fsync - this file is important
		3206	aio_fsync $fh
		3207	and return;
		3208
		3209	# touch it again to show we are up-to-date
		3210	aio_utime $fh, undef, undef;
		3211
		3212	close $fh
		3213	or return;
		3214
		3215	aio_rename "$runtime~", $runtime
		3216	and return;
		3217
		3218	warn "runtime file written.\n";
		3219
		3220	1
		3221	}
		3222
2617	sub emergency_save() {	3223	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2619		3225
2620	warn "enter emergency perl save\n";	3226	warn "enter emergency perl save\n";
2621		3227
…		…
2696	%EXT_CORO = ();	3302	%EXT_CORO = ();
2697		3303
2698	warn "removing commands";	3304	warn "removing commands";
2699	%COMMAND = ();	3305	%COMMAND = ();
2700		3306
2701	warn "removing ext commands";	3307	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3308	%EXTCMD = ();
		3309	%EXTICMD = ();
2703		3310
2704	warn "unloading/nuking all extensions";	3311	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3312	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3313	warn "... unloading $pkg";
2707		3314
…		…
2750	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2751	require cf;	3358	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3360
2754	warn "loading config and database again";	3361	warn "loading config and database again";
2755	cf::cfg_load;	3362	cf::reload_config;
2756		3363
2757	warn "loading extensions";	3364	warn "loading extensions";
2758	cf::load_extensions;	3365	cf::load_extensions;
2759		3366
2760	warn "reattaching attachments to objects/players";	3367	warn "reattaching attachments to objects/players";
…		…
2825	my $signal = new Coro::Signal;	3432	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3433	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3434	$signal->wait;
2828	}	3435	}
2829		3436
		3437	my $min = 1e6;#d#
		3438	my $avg = 10;
2830	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2831	reentrant => 0,	3440	reentrant => 0,
2832	parked => 1,	3441	parked => 1,
2833	prio => 0,	3442	prio => 0,
2834	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3448	unless ++$bug_warning > 10;
2840	return;	3449	return;
2841	}	3450	}
2842		3451
2843	$NOW = Event::time;	3452	$NOW = $tick_start = Event::time;
2844		3453
2845	cf::server_tick; # one server iteration	3454	cf::server_tick; # one server iteration
		3455
		3456	0 && sync_job {#d#
		3457	for(1..10) {
		3458	my $t = Event::time;
		3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3460	or die;
		3461
		3462	$map->width (50);
		3463	$map->height (50);
		3464	$map->alloc;
		3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3466	my $t = Event::time - $t;
		3467
		3468	#next unless $t < 0.0013;#d#
		3469	if ($t < $min) {
		3470	$min = $t;
		3471	}
		3472	$avg = $avg * 0.99 + $t * 0.01;
		3473	}
		3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3475	exit 0;
		3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3477	};
2846		3478
2847	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2849		3481
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2856	}	3488	}
2857		3489
2858	# my $AFTER = Event::time;	3490	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#	3491	# warn $AFTER - $NOW;#d#
2860		3492
		3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3494	$sig->send;
		3495	}
		3496	while (my $sig = shift @WAIT_FOR_TICK) {
		3497	$sig->send;
		3498	}
		3499
		3500	$NOW = Event::time;
		3501
2861	# if we are delayed by four ticks or more, skip them all	3502	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3504
2864	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3506	$TICK_WATCHER->start;
2866		3507
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3508	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3510
2874	_post_tick;	3511	_post_tick;
		3512
		3513
2875	},	3514	},
2876	);	3515	);
2877		3516
2878	{	3517	{
2879	BDB::max_poll_time $TICK * 0.1;	3518	BDB::max_poll_time $TICK * 0.1;

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