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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 1.373 by root, Sat Sep 15 15:58:06 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;
…		…
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	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
296	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
297		398
298	Currently the same as Coro::async_pool, meaning you cannot use	399	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	400	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.	401	thing you are allowed to do is call C<prio> on it.
…		…
303		404
304	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
305		406
306	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
307		408
308	The design of crossfire+ requires that the main coro ($Coro::main) is	409	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	410	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.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
311		413
312	If it must be done, put the blocking parts into C<sync_job>. This will run	414	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	415	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	416	server will be frozen during this time, so the block should either finish
315	fast or be very important.	417	fast or be very important.
…		…
318		420
319	sub sync_job(&) {	421	sub sync_job(&) {
320	my ($job) = @_;	422	my ($job) = @_;
321		423
322	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
323	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
325		429
326	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
338		442
339	while ($busy) {	443	while ($busy) {
340	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
341	}	445	}
342		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
343	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
344	} else {	455	} else {
345	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
346		457
347	$job->()	458	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
367		478
368	$coro	479	$coro
369	}	480	}
370		481
371	sub write_runtime {	482	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		483
374	my $runtime = "$LOCALDIR/runtime";	484	Executes the given code block with the given arguments in a seperate
		485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
375		488
376	warn "starting to write runtime...\n";#d#	489	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		490
380	my $value = $cf::RUNTIME + 90 + 10;	491	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	492	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		493
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	# we seemingly have to make a local copy of the whole thing,
385	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
386		497
387	# always fsync - this file is important	498	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	499	reset_signals;
389	and return;	500	&$cb
		501	}, @args;
390		502
391	close $fh	503	wantarray ? @res : $res[-1]
392	or return;	504	}
393		505
394	aio_rename "$runtime~", $runtime	506	=item $value = cf::db_get $family => $key
395	and return;
396		507
397	warn "... done writing runtime.\n";#d#	508	Returns a single value from the environment database.
398		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
399	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
400	}	631	}
401		632
402	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
403		634
404	Log a datalog packet of the given type with the given key-value pairs.	635	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")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
423	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
424		655
425	In the following description, CLASS can be any of C<global>, C<object>	656	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	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
427	crossfire+).	658	Crossfire TRT).
428		659
429	=over 4	660	=over 4
430		661
431	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
432		663
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
596		827
597	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		832
602	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	834	my $pkg = shift @arg;
604		835
605	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
635	}	866	}
636		867
637	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
638	} else {	869	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	871	}
641		872
642	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
643	}	874	}
644		875
…		…
646	if (ref $_[0]) {	877	if (ref $_[0]) {
647	_object_attach @_;	878	_object_attach @_;
648	} else {	879	} else {
649	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
650	}	881	}
		882	_recalc_want;
651	};	883	};
652		884
653	# all those should be optimised	885	# all those should be optimised
654	sub cf::attachable::detach {	886	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
659	reattach ($obj);	891	reattach ($obj);
660	} else {	892	} else {
661	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
662	}	894	}
		895	_recalc_want;
663	};	896	};
664		897
665	sub cf::attachable::attached {	898	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
667		900
…		…
682	";	915	";
683	die if $@;	916	die if $@;
684	}	917	}
685		918
686	our $override;	919	our $override;
687	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688		921
689	sub override {	922	sub override {
690	$override = 1;	923	$override = 1;
691	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
692	}	925	}
693		926
694	sub do_invoke {	927	sub do_invoke {
695	my $event = shift;	928	my $event = shift;
696	my $callbacks = shift;	929	my $callbacks = shift;
697		930
698	@invoke_results = ();	931	@INVOKE_RESULTS = ();
699		932
700	local $override;	933	local $override;
701		934
702	for (@$callbacks) {	935	for (@$callbacks) {
703	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
720		953
721	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
722		955
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	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	957	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		959
727	=back	960	=back
728		961
729	=cut	962	=cut
730		963
731	#############################################################################	964	#############################################################################
732	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
733		977
734	sub reattach {	978	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	980	my ($obj) = @_;
737		981
…		…
784	sub object_freezer_save {	1028	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
786		1030
787	sync_job {	1031	sync_job {
788	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
791		1036
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1040	aio_fsync $fh if $cf::USE_FSYNC;
…		…
814	}	1059	}
815	} else {	1060	} else {
816	aio_unlink $filename;	1061	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
818	}	1063	}
819	}	1064	};
820	}	1065	}
821		1066
822	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
824		1069
…		…
836	or return;	1081	or return;
837		1082
838	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
840	or return;	1085	or return;
		1086
841	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
842	}	1088	}
843		1089
		1090	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1092	$decname, length $data, scalar @{$av || []};
		1093
846	return ($data, $av);	1094	($data, $av)
847	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
848		1102
849	#############################################################################	1103	#############################################################################
850	# command handling &c	1104	# command handling &c
851		1105
852	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1120	}
867		1121
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1123
870	Register a callbackf ro execution when the client sends an extcmd packet.	1124	Register a callback for execution when the client sends an (synchronous)
		1125	extcmd packet. Ext commands will be processed in the order they are
		1126	received by the server, like other user commands. The first argument is
		1127	the logged-in player. Ext commands can only be processed after a player
		1128	has logged in successfully.
871		1129
872	If the callback returns something, it is sent back as if reply was being	1130	If the callback returns something, it is sent back as if reply was being
873	called.	1131	called.
874		1132
		1133	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1134
		1135	Register a callback for execution when the client sends an (asynchronous)
		1136	exticmd packet. Exti commands are processed by the server as soon as they
		1137	are received, i.e. out of order w.r.t. other commands. The first argument
		1138	is a client socket. Exti commands can be received anytime, even before
		1139	log-in.
		1140
		1141	If the callback returns something, it is sent back as if reply was being
		1142	called.
		1143
875	=cut	1144	=cut
876		1145
877	sub register_extcmd {	1146	sub register_extcmd {
878	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
879		1148
880	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
881	}	1156	}
882		1157
883	cf::player->attach (	1158	cf::player->attach (
884	on_command => sub {	1159	on_command => sub {
885	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1169	cf::override;
895	},	1170	},
896	on_extcmd => sub {	1171	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
898		1173
899	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1175
901	if (ref $msg) {	1176	if (ref $msg) {
		1177	my ($type, $reply, @payload) =
		1178	"ARRAY" eq ref $msg
		1179	? @$msg
		1180	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1181
		1182	my @reply;
		1183
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
907	} else {	1191	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1193	}
910		1194
911	cf::override;	1195	cf::override;
912	},	1196	},
913	);	1197	);
914		1198
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 {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
950	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1204	next unless -r $path;
952	eval {	1205
953	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
954	1	1263	}
955	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
956	}	1269	};
957	}	1270	}
958		1271
959	#############################################################################	1272	#############################################################################
960		1273
		1274	=back
		1275
961	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
962		1277
963	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
964		1279
965	=cut	1280	=cut
…		…
969	use Coro::AIO;	1284	use Coro::AIO;
970		1285
971	=head3 cf::player	1286	=head3 cf::player
972		1287
973	=over 4	1288	=over 4
		1289
		1290	=item cf::player::num_playing
		1291
		1292	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1293
		1294	=cut
		1295
		1296	sub num_playing {
		1297	scalar grep
		1298	$_->ob->map
		1299	&& !$_->hidden
		1300	&& !$_->ob->flag (cf::FLAG_WIZ),
		1301	cf::player::list
		1302	}
974		1303
975	=item cf::player::find $login	1304	=item cf::player::find $login
976		1305
977	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
978		1307
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1346	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1347
1019	my $pl = load_pl path $login	1348	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1349	or return;
		1350
		1351	my $pl = cf::player::load_pl $f
		1352	or return;
		1353	local $cf::PLAYER_LOADING{$login} = $pl;
		1354	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
1022	}	1356	}
1023	}	1357	}
1024	}	1358	}
1025		1359
…		…
1035		1369
1036	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
1038		1372
1039	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
1040	Coro::cede;	1374	cf::cede_to_tick;
1041	}	1375	}
1042		1376
1043	sub new($) {	1377	sub new($) {
1044	my ($login) = @_;	1378	my ($login) = @_;
1045		1379
…		…
1049	$self->{deny_save} = 1;	1383	$self->{deny_save} = 1;
1050		1384
1051	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
1052		1386
1053	$self	1387	$self
		1388	}
		1389
		1390	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1391
		1392	=cut
		1393
		1394	sub send_msg {
		1395	my $ns = shift->ns
		1396	or return;
		1397	$ns->send_msg (@_);
1054	}	1398	}
1055		1399
1056	=item $pl->quit_character	1400	=item $pl->quit_character
1057		1401
1058	Nukes the player without looking back. If logged in, the connection will	1402	Nukes the player without looking back. If logged in, the connection will
…		…
1113	or return [];	1457	or return [];
1114		1458
1115	my @logins;	1459	my @logins;
1116		1460
1117	for my $login (@$dirs) {	1461	for my $login (@$dirs) {
		1462	my $path = path $login;
		1463
		1464	# a .pst is a dead give-away for a valid player
		1465	unless (-e "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1121		1470
1122	utf8::decode $login;	1471	utf8::decode $login;
1123	push @logins, $login;	1472	push @logins, $login;
1124	}	1473	}
1125		1474
…		…
1152	}	1501	}
1153		1502
1154	\@paths	1503	\@paths
1155	}	1504	}
1156		1505
		1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1507
		1508	Expand crossfire pod fragments into protocol xml.
		1509
		1510	=cut
		1511
		1512	sub expand_cfpod {
		1513	((my $self), (local $_)) = @_;
		1514
		1515	# escape & and <
		1516	s/&/&amp;/g;
		1517	s/(?<![BIUGHT])</&lt;/g;
		1518
		1519	# this is buggy, it needs to properly take care of nested <'s
		1520
		1521	1 while
		1522	# replace B<>, I<>, U<> etc.
		1523	s/B<([^\>]*)>/<b>$1<\/b>/
		1524	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1525	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1527	# replace G<male|female> tags
		1528	|| s{G<([^>|]*)\|([^>]*)>}{
		1529	$self->gender ? $2 : $1
		1530	}ge
		1531	# replace H<hint text>
		1532	|| s{H<([^\>]*)>}
		1533	{
		1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1536	"")
		1537	[$self->{hintmode}]
		1538	}ge;
		1539
		1540	# create single paragraphs (very hackish)
		1541	s/(?<=\S)\n(?=\w)/ /g;
		1542
		1543	# compress some whitespace
		1544	s/\s+\n/\n/g; # ws line-ends
		1545	s/\n\n+/\n/g; # double lines
		1546	s/^\n+//; # beginning lines
		1547	s/\n+$//; # ending lines
		1548
		1549	$_
		1550	}
		1551
		1552	sub hintmode {
		1553	$_[0]{hintmode} = $_[1] if @_ > 1;
		1554	$_[0]{hintmode}
		1555	}
		1556
1157	=item $player->ext_reply ($msgid, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1158		1558
1159	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1160		1560
1161	=cut	1561	=cut
1162		1562
1163	sub ext_reply($$%) {	1563	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1165		1565
1166	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1567	}
1170		1568
1171	=item $player->ext_event ($type, %msg)	1569	=item $player->ext_msg ($type, @msg)
1172		1570
1173	Sends an ext event to the client.	1571	Sends an ext event to the client.
1174		1572
1175	=cut	1573	=cut
1176		1574
1177	sub ext_event($$%) {	1575	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1576	my ($self, $type, @msg) = @_;
1179		1577
1180	$self->ns->ext_event ($type, %msg);	1578	$self->ns->ext_msg ($type, @msg);
1181	}	1579	}
1182		1580
1183	=head3 cf::region	1581	=head3 cf::region
1184		1582
1185	=over 4	1583	=over 4
…		…
1188		1586
1189	package cf::region;	1587	package cf::region;
1190		1588
1191	=item cf::region::find_by_path $path	1589	=item cf::region::find_by_path $path
1192		1590
1193	Tries to decuce the probable region for a map knowing only its path.	1591	Tries to decuce the likely region for a map knowing only its path.
1194		1592
1195	=cut	1593	=cut
1196		1594
1197	sub find_by_path($) {	1595	sub find_by_path($) {
1198	my ($path) = @_;	1596	my ($path) = @_;
1199		1597
1200	my ($match, $specificity);	1598	my ($match, $specificity);
1201		1599
1202	for my $region (list) {	1600	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1601	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1602	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1603	if $region->specificity > $specificity;
1206	}	1604	}
1207	}	1605	}
1208		1606
…		…
1272	my ($self, $merge) = @_;	1670	my ($self, $merge) = @_;
1273		1671
1274	# we have to keep some variables in memory intact	1672	# we have to keep some variables in memory intact
1275	local $self->{path};	1673	local $self->{path};
1276	local $self->{load_path};	1674	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1675
1280	$self->SUPER::thawer_merge ($merge);	1676	$self->SUPER::thawer_merge ($merge);
1281	}	1677	}
1282		1678
1283	sub normalise {	1679	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1726	$self->init; # pass $1 etc.
1331	return $self;	1727	return $self;
1332	}	1728	}
1333	}	1729	}
1334		1730
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1732	()
1337	}	1733	}
1338		1734
1339	sub init {	1735	sub init {
1340	my ($self) = @_;	1736	my ($self) = @_;
…		…
1383		1779
1384	$_->change_map_light ($change)	1780	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1781	for grep $_->outdoor, values %cf::MAP;
1386	}	1782	}
1387		1783
		1784	sub decay_objects {
		1785	my ($self) = @_;
		1786
		1787	return if $self->{deny_reset};
		1788
		1789	$self->do_decay_objects;
		1790	}
		1791
1388	sub unlink_save {	1792	sub unlink_save {
1389	my ($self) = @_;	1793	my ($self) = @_;
1390		1794
1391	utf8::encode (my $save = $self->save_path);	1795	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1796	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1799
1396	sub load_header_from($) {	1800	sub load_header_from($) {
1397	my ($self, $path) = @_;	1801	my ($self, $path) = @_;
1398		1802
1399	utf8::encode $path;	1803	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1805	or return;
		1806
		1807	$self->_load_header ($f)
		1808	or return;
		1809
		1810	local $MAP_LOADING{$self->{path}} = $self;
		1811	$f->resolve_delayed_derefs;
1405		1812
1406	$self->{load_path} = $path;	1813	$self->{load_path} = $path;
1407		1814
1408	1	1815	1
1409	}	1816	}
…		…
1448	$self->load_header_orig	1855	$self->load_header_orig
1449	or return;	1856	or return;
1450	$self->prepare_orig;	1857	$self->prepare_orig;
1451	}	1858	}
1452		1859
		1860	$self->{deny_reset} = 1
		1861	if $self->no_reset;
		1862
1453	$self->default_region (cf::region::find_by_path $self->{path})	1863	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1864	unless $self->default_region;
1455		1865
1456	1	1866	1
1457	}	1867	}
…		…
1460	sub find {	1870	sub find {
1461	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1462		1872
1463	$path = normalise $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1464		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1876	cf::lock_wait "map_find:$path";
1466		1877
1467	$cf::MAP{$path} || do {	1878	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";	1879	my $guard1 = cf::lock_acquire "map_find:$path";
		1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1881
1469	my $map = new_from_path cf::map $path	1882	my $map = new_from_path cf::map $path
1470	or return;	1883	or return;
1471		1884
1472	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1473		1886
1474	$map->load_header	1887	$map->load_header
1475	or return;	1888	or return;
1476		1889
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1891	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1480	$map->reset;	1895	$map->reset;
1481	undef $guard;
1482	return find $path;	1896	return find $path;
1483	}	1897	}
1484		1898
1485	$cf::MAP{$path} = $map	1899	$cf::MAP{$path} = $map
1486	}	1900	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	1909	local $self->{deny_reset} = 1; # loading can take a long time
1496		1910
1497	my $path = $self->{path};	1911	my $path = $self->{path};
1498		1912
1499	{	1913	{
1500	my $guard = cf::lock_acquire "map_load:$path";	1914	my $guard = cf::lock_acquire "map_data:$path";
1501		1915
		1916	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		1918
1504	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1505		1920
1506	$self->alloc;	1921	$self->alloc;
1507		1922
1508	$self->pre_load;	1923	$self->pre_load;
1509	Coro::cede;	1924	cf::cede_to_tick;
1510		1925
		1926	my $f = new_from_file cf::object::thawer $self->{load_path};
		1927	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	1928	$self->_load_objects ($f)
1512	or return;	1929	or return;
1513		1930
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515	if delete $self->{load_original};	1932	if delete $self->{load_original};
1516		1933
1517	if (my $uniq = $self->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	1935	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	1938	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1522	}	1942	}
1523	}	1943	}
1524		1944
1525	Coro::cede;	1945	$f->resolve_delayed_derefs;
		1946
		1947	cf::cede_to_tick;
1526	# now do the right thing for maps	1948	# now do the right thing for maps
1527	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	1950	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	1951	unless $self->difficulty;
1530	Coro::cede;	1952	cf::cede_to_tick;
1531		1953
1532	unless ($self->{deny_activate}) {	1954	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	1955	$self->decay_objects;
1534	$self->fix_auto_apply;	1956	$self->fix_auto_apply;
1535	$self->update_buttons;	1957	$self->update_buttons;
1536	Coro::cede;	1958	cf::cede_to_tick;
1537	$self->set_darkness_map;	1959	$self->set_darkness_map;
1538	Coro::cede;	1960	cf::cede_to_tick;
1539	$self->activate;	1961	$self->activate;
1540	}	1962	}
		1963
		1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
1541		1966
1542	$self->in_memory (cf::MAP_IN_MEMORY);	1967	$self->in_memory (cf::MAP_IN_MEMORY);
1543	}	1968	}
1544		1969
1545	$self->post_load;	1970	$self->post_load;
…		…
1549	my ($self, $ob) = @_;	1974	my ($self, $ob) = @_;
1550		1975
1551	return find "~" . $ob->name . "/" . $self->{path}	1976	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	1977	if $self->per_player;
1553		1978
		1979	# return find "?party/" . $ob->name . "/" . $self->{path}
		1980	# if $self->per_party;
		1981
1554	$self	1982	$self
1555	}	1983	}
1556		1984
1557	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	1986	sub load_neighbours {
1559	my ($map) = @_;	1987	my ($map) = @_;
1560		1988
1561	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1562		1990
1563	for (0 .. 3) {	1991	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1565	or next;	1993	or next;
1566	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1567	or next;	1995	or next;
1568	$neigh->load;	1996	$neigh->load;
1569		1997
		1998	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2001	}
1573		2002
1574	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1576	or next;	2006	or next;
1577	$neigh->load;	2007	$neigh->load;
1578	}	2008	}
1579	}	2009	}
1580		2010
…		…
1585	}	2015	}
1586		2016
1587	sub do_load_sync {	2017	sub do_load_sync {
1588	my ($map) = @_;	2018	my ($map) = @_;
1589		2019
		2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1590	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1591	}	2024	}
1592		2025
1593	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2027	our $MAP_PREFETCHER = undef;
1595		2028
1596	sub find_async {	2029	sub find_async {
1597	my ($path, $origin) = @_;	2030	my ($path, $origin, $load) = @_;
1598		2031
1599	$path = normalise $path, $origin && $origin->{path};	2032	$path = normalise $path, $origin && $origin->{path};
1600		2033
1601	if (my $map = $cf::MAP{$path}) {	2034	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603	}	2036	}
1604		2037
1605	undef $MAP_PREFETCH{$path};	2038	$MAP_PREFETCH{$path} |= $load;
		2039
1606	$MAP_PREFETCHER ||= cf::async {	2040	$MAP_PREFETCHER ||= cf::async {
1607	while (%MAP_PREFETCH) {	2041	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2042	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2043	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2044	$map->load if $v;
		2045	}
1612		2046
1613	delete $MAP_PREFETCH{$path};	2047	delete $MAP_PREFETCH{$k};
1614	}	2048	}
1615	}	2049	}
1616	undef $MAP_PREFETCHER;	2050	undef $MAP_PREFETCHER;
1617	};	2051	};
1618	$MAP_PREFETCHER->prio (6);	2052	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2055	}
1622		2056
1623	sub save {	2057	sub save {
1624	my ($self) = @_;	2058	my ($self) = @_;
1625		2059
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2061
1628	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1629		2063
1630	return unless $self->dirty;	2064	return unless $self->dirty;
1631		2065
…		…
1654	my ($self) = @_;	2088	my ($self) = @_;
1655		2089
1656	# save first because save cedes	2090	# save first because save cedes
1657	$self->save;	2091	$self->save;
1658		2092
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2094
1661	return if $self->players;	2095	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};	2097	return if $self->{deny_save};
1664		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2103	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2104	}
1668		2105
1669	sub reset_at {	2106	sub reset_at {
1670	my ($self) = @_;	2107	my ($self) = @_;
1671		2108
1672	# TODO: safety, remove and allow resettable per-player maps	2109	# 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};	2110	return 1e99 if $self->{deny_reset};
1675		2111
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2114
…		…
1689	my ($self) = @_;	2125	my ($self) = @_;
1690		2126
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2128
1693	return if $self->players;	2129	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2130
1696	warn "resetting map ", $self->path;#d#	2131	warn "resetting map ", $self->path;
1697		2132
1698	$self->in_memory (cf::MAP_SWAPPED);	2133	$self->in_memory (cf::MAP_SWAPPED);
1699		2134
1700	# need to save uniques path	2135	# need to save uniques path
1701	unless ($self->{deny_save}) {	2136	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2140	if $uniq;
1706	}	2141	}
1707		2142
1708	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1709		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2147	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2148
1714	$self->unlink_save;	2149	$self->unlink_save;
1715	$self->destroy;	2150	$self->destroy;
1716	}	2151	}
1717		2152
1718	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1719		2154
1720	sub nuke {	2155	sub nuke {
1721	my ($self) = @_;	2156	my ($self) = @_;
1722		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
1723	delete $cf::MAP{$self->path};	2161	delete $cf::MAP{$self->path};
1724		2162
1725	$self->unlink_save;	2163	$self->unlink_save;
1726		2164
1727	bless $self, "cf::map";	2165	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2166	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2170
1733	$cf::MAP{$self->path} = $self;	2171	$cf::MAP{$self->path} = $self;
		2172	}
1734		2173
1735	$self->reset; # polite request, might not happen	2174	$self->reset; # polite request, might not happen
		2175	}
		2176
		2177	=item $maps = cf::map::tmp_maps
		2178
		2179	Returns an arrayref with all map paths of currently instantiated and saved
		2180	maps. May block.
		2181
		2182	=cut
		2183
		2184	sub tmp_maps() {
		2185	[
		2186	map {
		2187	utf8::decode $_;
		2188	/\.map$/
		2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $TMPDIR or [] }
		2192	]
		2193	}
		2194
		2195	=item $maps = cf::map::random_maps
		2196
		2197	Returns an arrayref with all map paths of currently instantiated and saved
		2198	random maps. May block.
		2199
		2200	=cut
		2201
		2202	sub random_maps() {
		2203	[
		2204	map {
		2205	utf8::decode $_;
		2206	/\.map$/
		2207	? normalise "?random/$_"
		2208	: ()
		2209	} @{ aio_readdir $RANDOMDIR or [] }
		2210	]
1736	}	2211	}
1737		2212
1738	=item cf::map::unique_maps	2213	=item cf::map::unique_maps
1739		2214
1740	Returns an arrayref of paths of all shared maps that have	2215	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2216	instantiated unique items. May block.
1742		2217
1743	=cut	2218	=cut
1744		2219
1745	sub unique_maps() {	2220	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2221	[
1747	or return;	2222	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2223	utf8::decode $_;
1753	next if /\.pst$/;	2224	/\.map$/
1754	next unless /^$PATH_SEP/o;	2225	? normalise $_
1755		2226	: ()
1756	push @paths, cf::map::normalise $_;	2227	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2228	]
1758
1759	\@paths
1760	}	2229	}
1761		2230
1762	package cf;	2231	package cf;
1763		2232
1764	=back	2233	=back
…		…
1782	map { $_, inv_recursive_ $_->inv } @_	2251	map { $_, inv_recursive_ $_->inv } @_
1783	}	2252	}
1784		2253
1785	sub inv_recursive {	2254	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2255	inv_recursive_ inv $_[0]
		2256	}
		2257
		2258	=item $ref = $ob->ref
		2259
		2260	creates and returns a persistent reference to an objetc that can be stored as a string.
		2261
		2262	=item $ob = cf::object::deref ($refstring)
		2263
		2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2265	even if the object actually exists. May block.
		2266
		2267	=cut
		2268
		2269	sub deref {
		2270	my ($ref) = @_;
		2271
		2272	# temporary compatibility#TODO#remove
		2273	$ref =~ s{^<}{player/<};
		2274
		2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2276	my ($uuid, $name) = ($1, $2);
		2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2278	or return;
		2279	$pl->ob->uuid eq $uuid
		2280	or return;
		2281
		2282	$pl->ob
		2283	} else {
		2284	warn "$ref: cannot resolve object reference\n";
		2285	undef
		2286	}
1787	}	2287	}
1788		2288
1789	package cf;	2289	package cf;
1790		2290
1791	=back	2291	=back
…		…
1810		2310
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2312
1813	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1815	} else {	2316	} else {
		2317	my $pl = $self->contr;
		2318
		2319	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2320	my $dialog = $pl->{npc_dialog};
		2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2322
		2323	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1818	}	2327	}
		2328	}
		2329
		2330	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2331
		2332	=cut
		2333
		2334	sub cf::object::send_msg {
		2335	my $pl = shift->contr
		2336	or return;
		2337	$pl->send_msg (@_);
1819	}	2338	}
1820		2339
1821	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1822		2341
1823	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2389	$self->deactivate_recursive;
1871		2390
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2391	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2392
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2394	if $self->map && $self->map->{path} ne "{link}";
1876		2395
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2397	}
1879		2398
1880	sub cf::object::player::leave_link {	2399	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2400	my ($self, $map, $x, $y) = @_;
		2401
		2402	return unless $self->contr->active;
1882		2403
1883	my $link_pos = delete $self->{_link_pos};	2404	my $link_pos = delete $self->{_link_pos};
1884		2405
1885	unless ($map) {	2406	unless ($map) {
1886	# restore original map position	2407	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1903		2424
1904	$map->load;	2425	$map->load;
1905	$map->load_diag;	2426	$map->load_neighbours;
1906		2427
1907	return unless $self->contr->active;	2428	return unless $self->contr->active;
1908	$self->activate_recursive;	2429	$self->activate_recursive;
1909		2430
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1912	}	2433	}
1913		2434
1914	cf::player->attach (	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2436
1918	# abort map switching before logout	2437	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2438	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2439	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2440	the new (success) or old (failed) map position. In either case, $done will
1922	};	2441	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2442
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	2443	=cut
		2444
		2445	our $GOTOGEN;
1949		2446
1950	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2448	my ($self, $path, $x, $y, $check, $done) = @_;
		2449
		2450	# do generation counting so two concurrent goto's will be executed in-order
		2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2452
1953	$self->enter_link;	2453	$self->enter_link;
1954		2454
1955	(async {	2455	(async {
		2456	# *tag paths override both path and x|y
		2457	if ($path =~ /^\*(.*)$/) {
		2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2459	my $ob = $obs[rand @obs];
		2460
		2461	# see if we actually can go there
		2462	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2463	$ob = $obs[rand @obs];
		2464	} else {
		2465	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2466	}
		2467	# else put us there anyways for now #d#
		2468
		2469	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2470	} else {
		2471	($path, $x, $y) = (undef, undef, undef);
		2472	}
		2473	}
		2474
1956	my $map = eval {	2475	my $map = eval {
1957	my $map = cf::map::find $path;	2476	my $map = defined $path ? cf::map::find $path : undef;
		2477
		2478	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2479	$map = $map->customise_for ($self);
		2480	$map = $check->($map) if $check && $map;
		2481	} else {
		2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2483	}
		2484
1959	$map	2485	$map
		2486	};
		2487
		2488	if ($@) {
		2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2491	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1964	})->prio (1);	2499	})->prio (1);
1965	}	2500	}
1966		2501
1967	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1968		2503
…		…
2037	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
2039		2574
2040	$self->enter_link;	2575	$self->enter_link;
2041		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
		2580
2042	(async {	2581	(async {
2043	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2583	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
2046		2585
…		…
2073		2612
2074	utf8::encode $text;	2613	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2615	}
2077		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
2078	=item $client->ext_event ($type, %msg)	2698	=item $client->ext_msg ($type, @msg)
2079		2699
2080	Sends an exti event to the client.	2700	Sends an ext event to the client.
2081		2701
2082	=cut	2702	=cut
2083		2703
2084	sub cf::client::ext_event($$%) {	2704	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2705	my ($self, $type, @msg) = @_;
2086		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2710	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
2089	}	2731	}
2090		2732
2091	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
2092		2734
2093	Queues a query to the client, calling the given callback with	2735	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>,	2736	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>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2738
2097	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2740	become reliable at some point in the future.
2099		2741
2100	=cut	2742	=cut
2101		2743
2102	sub cf::client::query {	2744	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2753	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2755
2114	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2116	}	2760	}
2117		2761
2118	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
2119	on_reply => sub {	2768	on_reply => sub {
2120	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2121		2770
2122	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2123	# get handled first	2772	# get handled first
…		…
2135	} else {	2784	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2786	}
2138	}	2787	}
2139	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
2140	);	2815	);
2141		2816
2142	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2143		2818
2144	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2187		2862
2188	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2189		2864
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2191		2870
2192	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2193		2872
2194	=pod	2873	=pod
2195		2874
2196	The following functions and methods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2197		2876
2198	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2199	cf::object::player player	2881	cf::object::player
2200	cf::player peaceful	2882	player
2201	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2202		2889
2203	=cut	2890	=cut
2204		2891
2205	for (	2892	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2207	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2210	) {	2899	) {
2211	no strict 'refs';	2900	no strict 'refs';
…		…
2282	=back	2971	=back
2283		2972
2284	=cut	2973	=cut
2285		2974
2286	#############################################################################	2975	#############################################################################
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 $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	2976	# the server's init and main functions
2462		2977
2463	sub load_facedata($) {	2978	sub load_facedata($) {
2464	my ($path) = @_;	2979	my ($path) = @_;
		2980
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		2986
2466	warn "loading facedata from $path\n";	2987	warn "loading facedata from $path\n";
2467		2988
2468	my $facedata;	2989	my $facedata;
2469	0 < aio_load $path, $facedata	2990	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	2993	$facedata = Coro::Storable::thaw $facedata;
2473		2994
2474	$facedata->{version} == 2	2995	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		2997
		2998	# patch in the exptable
		2999	$facedata->{resource}{"res/exp_table"} = {
		3000	type => FT_RSRC,
		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3002	};
		3003	cf::cede_to_tick;
		3004
2477	{	3005	{
2478	my $faces = $facedata->{faceinfo};	3006	my $faces = $facedata->{faceinfo};
2479		3007
2480	while (my ($face, $info) = each %$faces) {	3008	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3014
		3015	cf::cede_to_tick;
2486	}	3016	}
2487		3017
2488	while (my ($face, $info) = each %$faces) {	3018	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3019	next unless $info->{smooth};
2490	my $idx = cf::face::find $face	3020	my $idx = cf::face::find $face
2491	or next;	3021	or next;
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3025	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3027	}
2497	Coro::cede;	3028
		3029	cf::cede_to_tick;
2498	}	3030	}
2499	}	3031	}
2500		3032
2501	{	3033	{
2502	my $anims = $facedata->{animinfo};	3034	my $anims = $facedata->{animinfo};
2503		3035
2504	while (my ($anim, $info) = each %$anims) {	3036	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3038	cf::cede_to_tick;
2507	}	3039	}
2508		3040
2509	cf::anim::invalidate_all; # d'oh	3041	cf::anim::invalidate_all; # d'oh
2510	}	3042	}
2511		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
		3091	}
		3092
2512	1	3093	1
2513	}	3094	}
2514		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
2515	sub reload_regions {	3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
2516	load_resource_file "$MAPDIR/regions"	3109	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3110	or die "unable to load regions file\n";
		3111
		3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
2518	}	3116	}
2519		3117
2520	sub reload_facedata {	3118	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3119	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3120	or die "unable to load facedata\n";
2523	}	3121	}
2524		3122
2525	sub reload_archetypes {	3123	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	3124	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
2528	}	3131	}
2529		3132
2530	sub reload_treasures {	3133	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3134	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3135	or die "unable to load treasurelists\n";
…		…
2535	sub reload_resources {	3138	sub reload_resources {
2536	warn "reloading resource files...\n";	3139	warn "reloading resource files...\n";
2537		3140
2538	reload_regions;	3141	reload_regions;
2539	reload_facedata;	3142	reload_facedata;
		3143	#reload_archetypes;#d#
2540	reload_archetypes;	3144	reload_archetypes;
2541	reload_treasures;	3145	reload_treasures;
2542		3146
2543	warn "finished reloading resource files\n";	3147	warn "finished reloading resource files\n";
2544	}	3148	}
2545		3149
2546	sub init {	3150	sub init {
2547	reload_resources;	3151	reload_resources;
2548	}	3152	}
2549		3153
2550	sub cfg_load {	3154	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3156	or return;
2553		3157
2554	local $/;	3158	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
…		…
2575	(async {	3179	(async {
2576	Event::one_event;	3180	Event::one_event;
2577	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2578	};	3182	};
2579		3183
2580	cfg_load;	3184	reload_config;
2581	db_init;	3185	db_init;
2582	load_extensions;	3186	load_extensions;
2583		3187
2584	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2585	Event::loop;	3189	Event::loop;
…		…
2601	},	3205	},
2602	);	3206	);
2603	}	3207	}
2604	}	3208	}
2605		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
		3246	}
		3247
2606	sub emergency_save() {	3248	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2608		3250
2609	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2610		3252
…		…
2685	%EXT_CORO = ();	3327	%EXT_CORO = ();
2686		3328
2687	warn "removing commands";	3329	warn "removing commands";
2688	%COMMAND = ();	3330	%COMMAND = ();
2689		3331
2690	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2692		3335
2693	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2696		3339
…		…
2739	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2740	require cf;	3383	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3385
2743	warn "loading config and database again";	3386	warn "loading config and database again";
2744	cf::cfg_load;	3387	cf::reload_config;
2745		3388
2746	warn "loading extensions";	3389	warn "loading extensions";
2747	cf::load_extensions;	3390	cf::load_extensions;
2748		3391
2749	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
…		…
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3470	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3471	unless ++$bug_warning > 10;
2829	return;	3472	return;
2830	}	3473	}
2831		3474
2832	$NOW = Event::time;	3475	$NOW = $tick_start = Event::time;
2833		3476
2834	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
2835		3478
2836	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
…		…
2842	write_runtime	3485	write_runtime
2843	or warn "ERROR: unable to write runtime file: $!";	3486	or warn "ERROR: unable to write runtime file: $!";
2844	};	3487	};
2845	}	3488	}
2846		3489
2847	# my $AFTER = Event::time;	3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2848	# warn $AFTER - $NOW;#d#	3491	$sig->send;
		3492	}
		3493	while (my $sig = shift @WAIT_FOR_TICK) {
		3494	$sig->send;
		3495	}
		3496
		3497	$NOW = Event::time;
2849		3498
2850	# if we are delayed by four ticks or more, skip them all	3499	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2852		3501
2853	$TICK_WATCHER->at ($NEXT_TICK);	3502	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;	3503	$TICK_WATCHER->start;
2855		3504
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3505	$LOAD = ($NOW - $tick_start) / $TICK;
2857	$sig->send;	3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862		3507
2863	_post_tick;	3508	_post_tick;
2864	},	3509	},
2865	);	3510	);
2866		3511
2867	{	3512	{
		3513	BDB::min_parallel 8;
2868	BDB::max_poll_time $TICK * 0.1;	3514	BDB::max_poll_time $TICK * 0.1;
2869	$BDB_POLL_WATCHER = Event->io (	3515	$BDB_POLL_WATCHER = Event->io (
2870	reentrant => 0,	3516	reentrant => 0,
2871	fd => BDB::poll_fileno,	3517	fd => BDB::poll_fileno,
2872	poll => 'r',	3518	poll => 'r',
2873	prio => 0,	3519	prio => 0,
2874	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,	3521	cb => \&BDB::poll_cb,
2876	);	3522	);
2877	BDB::min_parallel 8;
2878		3523
2879	BDB::set_sync_prepare {	3524	BDB::set_sync_prepare {
2880	my $status;	3525	my $status;
2881	my $current = $Coro::current;	3526	my $current = $Coro::current;
2882	(	3527	(
…		…
2891	)	3536	)
2892	};	3537	};
2893		3538
2894	unless ($DB_ENV) {	3539	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	3540	$DB_ENV = BDB::db_env_create;
		3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3542	| BDB::LOG_AUTOREMOVE, 1);
		3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		3545
2897	cf::sync_job {	3546	cf::sync_job {
2898	eval {	3547	eval {
2899	BDB::db_env_open	3548	BDB::db_env_open
2900	$DB_ENV,	3549	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3553	0666;
2905		3554
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3555	cf::cleanup "db_env_open($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	};	3556	};
2911		3557
2912	cf::cleanup "db_env_open(db): $@" if $@;	3558	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3559	};
2914	}	3560	}
		3561
		3562	$BDB_DEADLOCK_WATCHER = Event->timer (
		3563	after => 3,
		3564	interval => 1,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3573	after => 11,
		3574	interval => 60,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3580	},
		3581	);
		3582	$BDB_TRICKLE_WATCHER = Event->timer (
		3583	after => 5,
		3584	interval => 10,
		3585	hard => 1,
		3586	prio => 0,
		3587	data => WF_AUTOCANCEL,
		3588	cb => sub {
		3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3590	},
		3591	);
2915	}	3592	}
2916		3593
2917	{	3594	{
2918	IO::AIO::min_parallel 8;	3595	IO::AIO::min_parallel 8;
2919		3596

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