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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 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	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	=cut
377	or return;
378		490
379	my $value = $cf::RUNTIME + 90 + 10;	491	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	492	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		493
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	# we seemingly have to make a local copy of the whole thing,
384	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
385		497
386	# always fsync - this file is important	498	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	499	reset_signals;
388	and return;	500	&$cb
		501	}, @args;
389		502
390	close $fh	503	wantarray ? @res : $res[-1]
391	or return;	504	}
392		505
393	aio_rename "$runtime~", $runtime	506	=item $value = cf::db_get $family => $key
394	and return;
395		507
		508	Returns a single value from the environment database.
		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
396	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"
397	}	631	}
398		632
399	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
400		634
401	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.
…		…
419	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")
420	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
421		655
422	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>
423	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
424	crossfire+).	658	Crossfire TRT).
425		659
426	=over 4	660	=over 4
427		661
428	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
429		663
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
593		827
594	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		832
599	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	834	my $pkg = shift @arg;
601		835
602	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
632	}	866	}
633		867
634	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
635	} else {	869	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	871	}
638		872
639	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
640	}	874	}
641		875
…		…
643	if (ref $_[0]) {	877	if (ref $_[0]) {
644	_object_attach @_;	878	_object_attach @_;
645	} else {	879	} else {
646	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
647	}	881	}
		882	_recalc_want;
648	};	883	};
649		884
650	# all those should be optimised	885	# all those should be optimised
651	sub cf::attachable::detach {	886	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
656	reattach ($obj);	891	reattach ($obj);
657	} else {	892	} else {
658	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
659	}	894	}
		895	_recalc_want;
660	};	896	};
661		897
662	sub cf::attachable::attached {	898	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
664		900
…		…
679	";	915	";
680	die if $@;	916	die if $@;
681	}	917	}
682		918
683	our $override;	919	our $override;
684	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?
685		921
686	sub override {	922	sub override {
687	$override = 1;	923	$override = 1;
688	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
689	}	925	}
690		926
691	sub do_invoke {	927	sub do_invoke {
692	my $event = shift;	928	my $event = shift;
693	my $callbacks = shift;	929	my $callbacks = shift;
694		930
695	@invoke_results = ();	931	@INVOKE_RESULTS = ();
696		932
697	local $override;	933	local $override;
698		934
699	for (@$callbacks) {	935	for (@$callbacks) {
700	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
717		953
718	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
719		955
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		959
724	=back	960	=back
725		961
726	=cut	962	=cut
727		963
728	#############################################################################	964	#############################################################################
729	# 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	}
730		977
731	sub reattach {	978	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	980	my ($obj) = @_;
734		981
…		…
781	sub object_freezer_save {	1028	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
783		1030
784	sync_job {	1031	sync_job {
785	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
788		1036
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1040	aio_fsync $fh if $cf::USE_FSYNC;
…		…
811	}	1059	}
812	} else {	1060	} else {
813	aio_unlink $filename;	1061	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
815	}	1063	}
816	}	1064	};
817	}	1065	}
818		1066
819	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
821		1069
…		…
833	or return;	1081	or return;
834		1082
835	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
837	or return;	1085	or return;
		1086
838	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1088	}
840		1089
		1090	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1092	$decname, length $data, scalar @{$av || []};
		1093
843	return ($data, $av);	1094	($data, $av)
844	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
845		1102
846	#############################################################################	1103	#############################################################################
847	# command handling &c	1104	# command handling &c
848		1105
849	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1120	}
864		1121
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1123
867	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.
868		1129
869	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
870	called.	1131	called.
871		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
872	=cut	1144	=cut
873		1145
874	sub register_extcmd {	1146	sub register_extcmd {
875	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
876		1148
877	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
878	}	1156	}
879		1157
880	cf::player->attach (	1158	cf::player->attach (
881	on_command => sub {	1159	on_command => sub {
882	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1169	cf::override;
892	},	1170	},
893	on_extcmd => sub {	1171	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
895		1173
896	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1175
898	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
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
904	} else {	1191	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1193	}
907		1194
908	cf::override;	1195	cf::override;
909	},	1196	},
910	);	1197	);
911		1198
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
947	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1204	next unless -r $path;
949	eval {	1205
950	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;
951	1	1263	}
952	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
953	}	1269	};
954	}	1270	}
955		1271
956	#############################################################################	1272	#############################################################################
957		1273
		1274	=back
		1275
958	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
959		1277
960	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
961		1279
962	=cut	1280	=cut
…		…
966	use Coro::AIO;	1284	use Coro::AIO;
967		1285
968	=head3 cf::player	1286	=head3 cf::player
969		1287
970	=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	}
971		1303
972	=item cf::player::find $login	1304	=item cf::player::find $login
973		1305
974	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
975		1307
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1346	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1347
1016	my $pl = load_pl path $login	1348	my $f = new_from_file cf::object::thawer path $login
1017	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;
1018	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
1019	}	1356	}
1020	}	1357	}
1021	}	1358	}
1022		1359
…		…
1032		1369
1033	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
1035		1372
1036	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
1037	Coro::cede;	1374	cf::cede_to_tick;
1038	}	1375	}
1039		1376
1040	sub new($) {	1377	sub new($) {
1041	my ($login) = @_;	1378	my ($login) = @_;
1042		1379
…		…
1046	$self->{deny_save} = 1;	1383	$self->{deny_save} = 1;
1047		1384
1048	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
1049		1386
1050	$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 (@_);
1051	}	1398	}
1052		1399
1053	=item $pl->quit_character	1400	=item $pl->quit_character
1054		1401
1055	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
…		…
1110	or return [];	1457	or return [];
1111		1458
1112	my @logins;	1459	my @logins;
1113		1460
1114	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") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1118		1470
1119	utf8::decode $login;	1471	utf8::decode $login;
1120	push @logins, $login;	1472	push @logins, $login;
1121	}	1473	}
1122		1474
…		…
1149	}	1501	}
1150		1502
1151	\@paths	1503	\@paths
1152	}	1504	}
1153		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
1154	=item $player->ext_reply ($msgid, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1155		1558
1156	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1157		1560
1158	=cut	1561	=cut
1159		1562
1160	sub ext_reply($$%) {	1563	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1162		1565
1163	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1567	}
1167		1568
1168	=item $player->ext_event ($type, %msg)	1569	=item $player->ext_msg ($type, @msg)
1169		1570
1170	Sends an ext event to the client.	1571	Sends an ext event to the client.
1171		1572
1172	=cut	1573	=cut
1173		1574
1174	sub ext_event($$%) {	1575	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1576	my ($self, $type, @msg) = @_;
1176		1577
1177	$self->ns->ext_event ($type, %msg);	1578	$self->ns->ext_msg ($type, @msg);
1178	}	1579	}
1179		1580
1180	=head3 cf::region	1581	=head3 cf::region
1181		1582
1182	=over 4	1583	=over 4
…		…
1185		1586
1186	package cf::region;	1587	package cf::region;
1187		1588
1188	=item cf::region::find_by_path $path	1589	=item cf::region::find_by_path $path
1189		1590
1190	Tries to decuce the probable region for a map knowing only its path.	1591	Tries to decuce the likely region for a map knowing only its path.
1191		1592
1192	=cut	1593	=cut
1193		1594
1194	sub find_by_path($) {	1595	sub find_by_path($) {
1195	my ($path) = @_;	1596	my ($path) = @_;
1196		1597
1197	my ($match, $specificity);	1598	my ($match, $specificity);
1198		1599
1199	for my $region (list) {	1600	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1601	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1602	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1603	if $region->specificity > $specificity;
1203	}	1604	}
1204	}	1605	}
1205		1606
…		…
1269	my ($self, $merge) = @_;	1670	my ($self, $merge) = @_;
1270		1671
1271	# we have to keep some variables in memory intact	1672	# we have to keep some variables in memory intact
1272	local $self->{path};	1673	local $self->{path};
1273	local $self->{load_path};	1674	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1675
1277	$self->SUPER::thawer_merge ($merge);	1676	$self->SUPER::thawer_merge ($merge);
1278	}	1677	}
1279		1678
1280	sub normalise {	1679	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1726	$self->init; # pass $1 etc.
1328	return $self;	1727	return $self;
1329	}	1728	}
1330	}	1729	}
1331		1730
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1732	()
1334	}	1733	}
1335		1734
1336	sub init {	1735	sub init {
1337	my ($self) = @_;	1736	my ($self) = @_;
…		…
1380		1779
1381	$_->change_map_light ($change)	1780	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1781	for grep $_->outdoor, values %cf::MAP;
1383	}	1782	}
1384		1783
		1784	sub decay_objects {
		1785	my ($self) = @_;
		1786
		1787	return if $self->{deny_reset};
		1788
		1789	$self->do_decay_objects;
		1790	}
		1791
1385	sub unlink_save {	1792	sub unlink_save {
1386	my ($self) = @_;	1793	my ($self) = @_;
1387		1794
1388	utf8::encode (my $save = $self->save_path);	1795	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1796	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1799
1393	sub load_header_from($) {	1800	sub load_header_from($) {
1394	my ($self, $path) = @_;	1801	my ($self, $path) = @_;
1395		1802
1396	utf8::encode $path;	1803	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	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;
1402		1812
1403	$self->{load_path} = $path;	1813	$self->{load_path} = $path;
1404		1814
1405	1	1815	1
1406	}	1816	}
…		…
1445	$self->load_header_orig	1855	$self->load_header_orig
1446	or return;	1856	or return;
1447	$self->prepare_orig;	1857	$self->prepare_orig;
1448	}	1858	}
1449		1859
		1860	$self->{deny_reset} = 1
		1861	if $self->no_reset;
		1862
1450	$self->default_region (cf::region::find_by_path $self->{path})	1863	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1864	unless $self->default_region;
1452		1865
1453	1	1866	1
1454	}	1867	}
…		…
1457	sub find {	1870	sub find {
1458	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1459		1872
1460	$path = normalise $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1461		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1876	cf::lock_wait "map_find:$path";
1463		1877
1464	$cf::MAP{$path} || do {	1878	$cf::MAP{$path} || do {
1465	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
1466	my $map = new_from_path cf::map $path	1882	my $map = new_from_path cf::map $path
1467	or return;	1883	or return;
1468		1884
1469	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1470		1886
1471	$map->load_header	1887	$map->load_header
1472	or return;	1888	or return;
1473		1889
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1891	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1477	$map->reset;	1895	$map->reset;
1478	undef $guard;
1479	return find $path;	1896	return find $path;
1480	}	1897	}
1481		1898
1482	$cf::MAP{$path} = $map	1899	$cf::MAP{$path} = $map
1483	}	1900	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1909	local $self->{deny_reset} = 1; # loading can take a long time
1493		1910
1494	my $path = $self->{path};	1911	my $path = $self->{path};
1495		1912
1496	{	1913	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1914	my $guard = cf::lock_acquire "map_data:$path";
1498		1915
		1916	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1918
1501	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1502		1920
1503	$self->alloc;	1921	$self->alloc;
1504		1922
1505	$self->pre_load;	1923	$self->pre_load;
1506	Coro::cede;	1924	cf::cede_to_tick;
1507		1925
		1926	my $f = new_from_file cf::object::thawer $self->{load_path};
		1927	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1928	$self->_load_objects ($f)
1509	or return;	1929	or return;
1510		1930
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1932	if delete $self->{load_original};
1513		1933
1514	if (my $uniq = $self->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1935	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1938	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1519	}	1942	}
1520	}	1943	}
1521		1944
1522	Coro::cede;	1945	$f->resolve_delayed_derefs;
		1946
		1947	cf::cede_to_tick;
1523	# now do the right thing for maps	1948	# now do the right thing for maps
1524	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1950	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1951	unless $self->difficulty;
1527	Coro::cede;	1952	cf::cede_to_tick;
1528		1953
1529	unless ($self->{deny_activate}) {	1954	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1955	$self->decay_objects;
1531	$self->fix_auto_apply;	1956	$self->fix_auto_apply;
1532	$self->update_buttons;	1957	$self->update_buttons;
1533	Coro::cede;	1958	cf::cede_to_tick;
1534	$self->set_darkness_map;	1959	$self->set_darkness_map;
1535	Coro::cede;	1960	cf::cede_to_tick;
1536	$self->activate;	1961	$self->activate;
1537	}	1962	}
1538		1963
		1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
		1966
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1967	$self->in_memory (cf::MAP_IN_MEMORY);
1540
1541	undef $guard;
1542	}	1968	}
1543		1969
1544	$self->post_load;	1970	$self->post_load;
1545	}	1971	}
1546		1972
…		…
1548	my ($self, $ob) = @_;	1974	my ($self, $ob) = @_;
1549		1975
1550	return find "~" . $ob->name . "/" . $self->{path}	1976	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	1977	if $self->per_player;
1552		1978
		1979	# return find "?party/" . $ob->name . "/" . $self->{path}
		1980	# if $self->per_party;
		1981
1553	$self	1982	$self
1554	}	1983	}
1555		1984
1556	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	1986	sub load_neighbours {
1558	my ($map) = @_;	1987	my ($map) = @_;
1559		1988
1560	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1561		1990
1562	for (0 .. 3) {	1991	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1564	or next;	1993	or next;
1565	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1566	or next;	1995	or next;
1567	$neigh->load;	1996	$neigh->load;
1568		1997
		1998	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	2001	}
1572		2002
1573	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1575	or next;	2006	or next;
1576	$neigh->load;	2007	$neigh->load;
1577	}	2008	}
1578	}	2009	}
1579		2010
…		…
1584	}	2015	}
1585		2016
1586	sub do_load_sync {	2017	sub do_load_sync {
1587	my ($map) = @_;	2018	my ($map) = @_;
1588		2019
		2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1589	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1590	}	2024	}
1591		2025
1592	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2027	our $MAP_PREFETCHER = undef;
1594		2028
1595	sub find_async {	2029	sub find_async {
1596	my ($path, $origin) = @_;	2030	my ($path, $origin, $load) = @_;
1597		2031
1598	$path = normalise $path, $origin && $origin->{path};	2032	$path = normalise $path, $origin && $origin->{path};
1599		2033
1600	if (my $map = $cf::MAP{$path}) {	2034	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1602	}	2036	}
1603		2037
1604	undef $MAP_PREFETCH{$path};	2038	$MAP_PREFETCH{$path} |= $load;
		2039
1605	$MAP_PREFETCHER ||= cf::async {	2040	$MAP_PREFETCHER ||= cf::async {
1606	while (%MAP_PREFETCH) {	2041	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2042	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2043	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2044	$map->load if $v;
		2045	}
1611		2046
1612	delete $MAP_PREFETCH{$path};	2047	delete $MAP_PREFETCH{$k};
1613	}	2048	}
1614	}	2049	}
1615	undef $MAP_PREFETCHER;	2050	undef $MAP_PREFETCHER;
1616	};	2051	};
1617	$MAP_PREFETCHER->prio (6);	2052	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2055	}
1621		2056
1622	sub save {	2057	sub save {
1623	my ($self) = @_;	2058	my ($self) = @_;
1624		2059
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2061
1627	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1628		2063
1629	return unless $self->dirty;	2064	return unless $self->dirty;
1630		2065
…		…
1653	my ($self) = @_;	2088	my ($self) = @_;
1654		2089
1655	# save first because save cedes	2090	# save first because save cedes
1656	$self->save;	2091	$self->save;
1657		2092
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2094
1660	return if $self->players;	2095	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1662	return if $self->{deny_save};	2097	return if $self->{deny_save};
1663		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2103	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2104	}
1667		2105
1668	sub reset_at {	2106	sub reset_at {
1669	my ($self) = @_;	2107	my ($self) = @_;
1670		2108
1671	# TODO: safety, remove and allow resettable per-player maps	2109	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2110	return 1e99 if $self->{deny_reset};
1674		2111
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2114
…		…
1688	my ($self) = @_;	2125	my ($self) = @_;
1689		2126
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2128
1692	return if $self->players;	2129	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2130
1695	warn "resetting map ", $self->path;#d#	2131	warn "resetting map ", $self->path;
1696		2132
1697	$self->in_memory (cf::MAP_SWAPPED);	2133	$self->in_memory (cf::MAP_SWAPPED);
1698		2134
1699	# need to save uniques path	2135	# need to save uniques path
1700	unless ($self->{deny_save}) {	2136	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2140	if $uniq;
1705	}	2141	}
1706		2142
1707	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1708		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2147	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2148
1713	$self->unlink_save;	2149	$self->unlink_save;
1714	$self->destroy;	2150	$self->destroy;
1715	}	2151	}
1716		2152
1717	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1718		2154
1719	sub nuke {	2155	sub nuke {
1720	my ($self) = @_;	2156	my ($self) = @_;
1721		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
1722	delete $cf::MAP{$self->path};	2161	delete $cf::MAP{$self->path};
1723		2162
1724	$self->unlink_save;	2163	$self->unlink_save;
1725		2164
1726	bless $self, "cf::map";	2165	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2166	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2170
1732	$cf::MAP{$self->path} = $self;	2171	$cf::MAP{$self->path} = $self;
		2172	}
1733		2173
1734	$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	]
1735	}	2211	}
1736		2212
1737	=item cf::map::unique_maps	2213	=item cf::map::unique_maps
1738		2214
1739	Returns an arrayref of paths of all shared maps that have	2215	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2216	instantiated unique items. May block.
1741		2217
1742	=cut	2218	=cut
1743		2219
1744	sub unique_maps() {	2220	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2221	[
1746	or return;	2222	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2223	utf8::decode $_;
1752	next if /\.pst$/;	2224	/\.map$/
1753	next unless /^$PATH_SEP/o;	2225	? normalise $_
1754		2226	: ()
1755	push @paths, cf::map::normalise $_;	2227	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2228	]
1757
1758	\@paths
1759	}	2229	}
1760		2230
1761	package cf;	2231	package cf;
1762		2232
1763	=back	2233	=back
…		…
1781	map { $_, inv_recursive_ $_->inv } @_	2251	map { $_, inv_recursive_ $_->inv } @_
1782	}	2252	}
1783		2253
1784	sub inv_recursive {	2254	sub inv_recursive {
1785	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	}
1786	}	2287	}
1787		2288
1788	package cf;	2289	package cf;
1789		2290
1790	=back	2291	=back
…		…
1809		2310
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2312
1812	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1814	} 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 {
1815	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1817	}	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 (@_);
1818	}	2338	}
1819		2339
1820	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1821		2341
1822	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1869	$self->deactivate_recursive;	2389	$self->deactivate_recursive;
1870		2390
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2391	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2392
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2394	if $self->map && $self->map->{path} ne "{link}";
1875		2395
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2397	}
1878		2398
1879	sub cf::object::player::leave_link {	2399	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2400	my ($self, $map, $x, $y) = @_;
		2401
		2402	return unless $self->contr->active;
1881		2403
1882	my $link_pos = delete $self->{_link_pos};	2404	my $link_pos = delete $self->{_link_pos};
1883		2405
1884	unless ($map) {	2406	unless ($map) {
1885	# restore original map position	2407	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1902		2424
1903	$map->load;	2425	$map->load;
1904	$map->load_diag;	2426	$map->load_neighbours;
1905		2427
1906	return unless $self->contr->active;	2428	return unless $self->contr->active;
1907	$self->activate_recursive;	2429	$self->activate_recursive;
1908		2430
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1911	}	2433	}
1912		2434
1913	cf::player->attach (	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2436
1917	# abort map switching before logout	2437	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2438	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2439	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2440	the new (success) or old (failed) map position. In either case, $done will
1921	};	2441	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2442
1927	# try to abort aborted map switching on player login :)
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2443	=cut
		2444
		2445	our $GOTOGEN;
1948		2446
1949	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
1950	my ($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;
1951		2452
1952	$self->enter_link;	2453	$self->enter_link;
1953		2454
1954	(async {	2455	(async {
		2456	# *tag paths override both path and x|y
		2457	if ($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
1955	my $map = eval {	2475	my $map = eval {
1956	my $map = cf::map::find $path;	2476	my $map = defined $path ? cf::map::find $path : undef;
		2477
		2478	if ($map) {
1957	$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
1958	$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 $@;
1959	} or	2491	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1963	})->prio (1);	2499	})->prio (1);
1964	}	2500	}
1965		2501
1966	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1967		2503
…		…
2036	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
2038		2574
2039	$self->enter_link;	2575	$self->enter_link;
2040		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
2041	(async {	2581	(async {
2042	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
2043	unless (eval {	2583	unless (eval {
2044	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
2045		2585
…		…
2072		2612
2073	utf8::encode $text;	2613	utf8::encode $text;
2074	$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);
2075	}	2615	}
2076		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
2077	=item $client->ext_event ($type, %msg)	2698	=item $client->ext_msg ($type, @msg)
2078		2699
2079	Sends an exti event to the client.	2700	Sends an ext event to the client.
2080		2701
2081	=cut	2702	=cut
2082		2703
2083	sub cf::client::ext_event($$%) {	2704	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2705	my ($self, $type, @msg) = @_;
2085		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2710	push @msg, msgtype => "event_$type";
2087	$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	}
2088	}	2731	}
2089		2732
2090	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
2091		2734
2092	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
2093	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>,
2094	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>.
2095		2738
2096	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
2097	reliable at some point in the future.	2740	become reliable at some point in the future.
2098		2741
2099	=cut	2742	=cut
2100		2743
2101	sub cf::client::query {	2744	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2753	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2755
2113	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2115	}	2760	}
2116		2761
2117	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	},
2118	on_reply => sub {	2768	on_reply => sub {
2119	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2120		2770
2121	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2122	# get handled first	2772	# get handled first
…		…
2134	} else {	2784	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2786	}
2137	}	2787	}
2138	},	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	},
2139	);	2815	);
2140		2816
2141	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2142		2818
2143	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2186		2862
2187	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2188		2864
2189	$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	));
2190		2870
2191	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2192		2872
2193	=pod	2873	=pod
2194		2874
2195	The following functions and methods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2196		2876
2197	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
2198	cf::object::player player	2881	cf::object::player
2199	cf::player peaceful	2882	player
2200	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2201		2889
2202	=cut	2890	=cut
2203		2891
2204	for (	2892	for (
2205	["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)],
2206	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2209	) {	2899	) {
2210	no strict 'refs';	2900	no strict 'refs';
…		…
2281	=back	2971	=back
2282		2972
2283	=cut	2973	=cut
2284		2974
2285	#############################################################################	2975	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	2976	# the server's init and main functions
2460		2977
2461	sub load_facedata($) {	2978	sub load_facedata($) {
2462	my ($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;
2463		2986
2464	warn "loading facedata from $path\n";	2987	warn "loading facedata from $path\n";
2465		2988
2466	my $facedata;	2989	my $facedata;
2467	0 < aio_load $path, $facedata	2990	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	2993	$facedata = Coro::Storable::thaw $facedata;
2471		2994
2472	$facedata->{version} == 2	2995	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		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
2475	{	3005	{
2476	my $faces = $facedata->{faceinfo};	3006	my $faces = $facedata->{faceinfo};
2477		3007
2478	while (my ($face, $info) = each %$faces) {	3008	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	3014
		3015	cf::cede_to_tick;
2484	}	3016	}
2485		3017
2486	while (my ($face, $info) = each %$faces) {	3018	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3019	next unless $info->{smooth};
2488	my $idx = cf::face::find $face	3020	my $idx = cf::face::find $face
2489	or next;	3021	or next;
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3025	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3027	}
2495	Coro::cede;	3028
		3029	cf::cede_to_tick;
2496	}	3030	}
2497	}	3031	}
2498		3032
2499	{	3033	{
2500	my $anims = $facedata->{animinfo};	3034	my $anims = $facedata->{animinfo};
2501		3035
2502	while (my ($anim, $info) = each %$anims) {	3036	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3038	cf::cede_to_tick;
2505	}	3039	}
2506		3040
2507	cf::anim::invalidate_all; # d'oh	3041	cf::anim::invalidate_all; # d'oh
2508	}	3042	}
2509		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 => $face;
		3089	}
		3090	}
		3091	}
		3092
2510	1	3093	1
2511	}	3094	}
2512		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
2513	sub reload_regions {	3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
2514	load_resource_file "$MAPDIR/regions"	3109	load_resource_file "$MAPDIR/regions"
2515	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 $_->{match};
		3115	}
2516	}	3116	}
2517		3117
2518	sub reload_facedata {	3118	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3119	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3120	or die "unable to load facedata\n";
2521	}	3121	}
2522		3122
2523	sub reload_archetypes {	3123	sub reload_archetypes {
2524	load_resource_file "$DATADIR/archetypes"	3124	load_resource_file "$DATADIR/archetypes"
2525	or die "unable to load archetypes\n";	3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
2526	}	3131	}
2527		3132
2528	sub reload_treasures {	3133	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	3134	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	3135	or die "unable to load treasurelists\n";
…		…
2533	sub reload_resources {	3138	sub reload_resources {
2534	warn "reloading resource files...\n";	3139	warn "reloading resource files...\n";
2535		3140
2536	reload_regions;	3141	reload_regions;
2537	reload_facedata;	3142	reload_facedata;
		3143	#reload_archetypes;#d#
2538	reload_archetypes;	3144	reload_archetypes;
2539	reload_treasures;	3145	reload_treasures;
2540		3146
2541	warn "finished reloading resource files\n";	3147	warn "finished reloading resource files\n";
2542	}	3148	}
2543		3149
2544	sub init {	3150	sub init {
2545	reload_resources;	3151	reload_resources;
2546	}	3152	}
2547		3153
2548	sub cfg_load {	3154	sub reload_config {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3156	or return;
2551		3157
2552	local $/;	3158	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
…		…
2573	(async {	3179	(async {
2574	Event::one_event;	3180	Event::one_event;
2575	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2576	};	3182	};
2577		3183
2578	cfg_load;	3184	reload_config;
2579	db_init;	3185	db_init;
2580	load_extensions;	3186	load_extensions;
2581		3187
2582	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2583	Event::loop;	3189	Event::loop;
…		…
2599	},	3205	},
2600	);	3206	);
2601	}	3207	}
2602	}	3208	}
2603		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
2604	sub emergency_save() {	3248	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2606		3250
2607	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2608		3252
…		…
2683	%EXT_CORO = ();	3327	%EXT_CORO = ();
2684		3328
2685	warn "removing commands";	3329	warn "removing commands";
2686	%COMMAND = ();	3330	%COMMAND = ();
2687		3331
2688	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2689	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2690		3335
2691	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2694		3339
…		…
2737	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2738	require cf;	3383	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3385
2741	warn "loading config and database again";	3386	warn "loading config and database again";
2742	cf::cfg_load;	3387	cf::reload_config;
2743		3388
2744	warn "loading extensions";	3389	warn "loading extensions";
2745	cf::load_extensions;	3390	cf::load_extensions;
2746		3391
2747	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
…		…
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3470	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3471	unless ++$bug_warning > 10;
2827	return;	3472	return;
2828	}	3473	}
2829		3474
2830	$NOW = Event::time;	3475	$NOW = $tick_start = Event::time;
2831		3476
2832	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
2833		3478
2834	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
…		…
2840	write_runtime	3485	write_runtime
2841	or warn "ERROR: unable to write runtime file: $!";	3486	or warn "ERROR: unable to write runtime file: $!";
2842	};	3487	};
2843	}	3488	}
2844		3489
2845	# my $AFTER = Event::time;	3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2846	# 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;
2847		3498
2848	# 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
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2850		3501
2851	$TICK_WATCHER->at ($NEXT_TICK);	3502	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;	3503	$TICK_WATCHER->start;
2853		3504
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3505	$LOAD = ($NOW - $tick_start) / $TICK;
2855	$sig->send;	3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2856	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;
2859	}
2860		3507
2861	_post_tick;	3508	_post_tick;
2862	},	3509	},
2863	);	3510	);
2864		3511
2865	{	3512	{
		3513	BDB::min_parallel 8;
2866	BDB::max_poll_time $TICK * 0.1;	3514	BDB::max_poll_time $TICK * 0.1;
2867	$BDB_POLL_WATCHER = Event->io (	3515	$BDB_POLL_WATCHER = Event->io (
2868	reentrant => 0,	3516	reentrant => 0,
2869	fd => BDB::poll_fileno,	3517	fd => BDB::poll_fileno,
2870	poll => 'r',	3518	poll => 'r',
2871	prio => 0,	3519	prio => 0,
2872	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,	3521	cb => \&BDB::poll_cb,
2874	);	3522	);
2875	BDB::min_parallel 8;
2876		3523
2877	BDB::set_sync_prepare {	3524	BDB::set_sync_prepare {
2878	my $status;	3525	my $status;
2879	my $current = $Coro::current;	3526	my $current = $Coro::current;
2880	(	3527	(
…		…
2889	)	3536	)
2890	};	3537	};
2891		3538
2892	unless ($DB_ENV) {	3539	unless ($DB_ENV) {
2893	$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);
2894		3545
2895	cf::sync_job {	3546	cf::sync_job {
2896	eval {	3547	eval {
2897	BDB::db_env_open	3548	BDB::db_env_open
2898	$DB_ENV,	3549	$DB_ENV,
…		…
2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	3553	0666;
2903		3554
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907	$DB_ENV->set_lk_detect;
2908	};	3556	};
2909		3557
2910	cf::cleanup "db_env_open(db): $@" if $@;	3558	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	3559	};
2912	}	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	);
2913	}	3592	}
2914		3593
2915	{	3594	{
2916	IO::AIO::min_parallel 8;	3595	IO::AIO::min_parallel 8;
2917		3596
…		…
2925	prio => 6,	3604	prio => 6,
2926	cb => \&IO::AIO::poll_cb,	3605	cb => \&IO::AIO::poll_cb,
2927	);	3606	);
2928	}	3607	}
2929		3608
		3609	my $_log_backtrace;
		3610
		3611	sub _log_backtrace {
		3612	my ($msg, @addr) = @_;
		3613
		3614	$msg =~ s/\n//;
		3615
		3616	# limit the # of concurrent backtraces
		3617	if ($_log_backtrace < 2) {
		3618	++$_log_backtrace;
		3619	async {
		3620	my @bt = fork_call {
		3621	@addr = map { sprintf "%x", $_ } @addr;
		3622	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3623	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3624	or die "addr2line: $!";
		3625
		3626	my @funcs;
		3627	my @res = <$fh>;
		3628	chomp for @res;
		3629	while (@res) {
		3630	my ($func, $line) = splice @res, 0, 2, ();
		3631	push @funcs, "[$func] $line";
		3632	}
		3633
		3634	@funcs
		3635	};
		3636
		3637	LOG llevInfo, "[ABT] $msg\n";
		3638	LOG llevInfo, "[ABT] $_\n" for @bt;
		3639	--$_log_backtrace;
		3640	};
		3641	} else {
		3642	LOG llevInfo, "[ABT] $msg\n";
		3643	LOG llevInfo, "[ABT] [suppressed]\n";
		3644	}
		3645	}
		3646
2930	# load additional modules	3647	# load additional modules
2931	use cf::pod;	3648	use cf::pod;
2932		3649
2933	END { cf::emergency_save }	3650	END { cf::emergency_save }
2934		3651

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