ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.262 by root, Sat Apr 28 05:55:55 2007 UTC vs.
Revision 1.372 by root, Sat Sep 15 13:25:33 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
…		…
779	);	1026	);
780		1027
781	sub object_freezer_save {	1028	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
783		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
784	sync_job {	1033	sync_job {
785	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
788		1038
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
811	}	1061	}
812	} else {	1062	} else {
813	aio_unlink $filename;	1063	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
815	}	1065	}
816	}	1066	};
		1067
		1068	undef $guard;
817	}	1069	}
818		1070
819	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
821		1073
…		…
826		1078
827	sub object_thawer_load {	1079	sub object_thawer_load {
828	my ($filename) = @_;	1080	my ($filename) = @_;
829		1081
830	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
831		1085
832	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
833	or return;	1087	or return;
834		1088
835	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
837	or return;	1091	or return;
		1092
		1093	undef $guard;
838	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1095	}
840		1096
		1097	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
843	return ($data, $av);	1101	($data, $av)
844	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
845		1109
846	#############################################################################	1110	#############################################################################
847	# command handling &c	1111	# command handling &c
848		1112
849	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1127	}
864		1128
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1130
867	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
868		1136
869	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
870	called.	1138	called.
871		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
872	=cut	1151	=cut
873		1152
874	sub register_extcmd {	1153	sub register_extcmd {
875	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
876		1155
877	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
878	}	1163	}
879		1164
880	cf::player->attach (	1165	cf::player->attach (
881	on_command => sub {	1166	on_command => sub {
882	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1176	cf::override;
892	},	1177	},
893	on_extcmd => sub {	1178	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
895		1180
896	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1182
898	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
904	} else {	1198	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1200	}
907		1201
908	cf::override;	1202	cf::override;
909	},	1203	},
910	);	1204	);
911		1205
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 {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
947	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1211	next unless -r $path;
949	eval {	1212
950	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
951	1	1270	}
952	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
953	}	1276	};
954	}	1277	}
955		1278
956	#############################################################################	1279	#############################################################################
957		1280
		1281	=back
		1282
958	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
959		1284
960	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
961		1286
962	=cut	1287	=cut
…		…
966	use Coro::AIO;	1291	use Coro::AIO;
967		1292
968	=head3 cf::player	1293	=head3 cf::player
969		1294
970	=over 4	1295	=over 4
		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
971		1310
972	=item cf::player::find $login	1311	=item cf::player::find $login
973		1312
974	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
975		1314
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1354
1016	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1019	}	1363	}
1020	}	1364	}
1021	}	1365	}
1022		1366
…		…
1032		1376
1033	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1035		1379
1036	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1037	Coro::cede;	1381	cf::cede_to_tick;
1038	}	1382	}
1039		1383
1040	sub new($) {	1384	sub new($) {
1041	my ($login) = @_;	1385	my ($login) = @_;
1042		1386
…		…
1046	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1047		1391
1048	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1049		1393
1050	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1051	}	1405	}
1052		1406
1053	=item $pl->quit_character	1407	=item $pl->quit_character
1054		1408
1055	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1464	or return [];
1111		1465
1112	my @logins;	1466	my @logins;
1113		1467
1114	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1118		1477
1119	utf8::decode $login;	1478	utf8::decode $login;
1120	push @logins, $login;	1479	push @logins, $login;
1121	}	1480	}
1122		1481
…		…
1149	}	1508	}
1150		1509
1151	\@paths	1510	\@paths
1152	}	1511	}
1153		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1154	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1155		1565
1156	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1157		1567
1158	=cut	1568	=cut
1159		1569
1160	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1162		1572
1163	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1574	}
1167		1575
1168	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1169		1577
1170	Sends an ext event to the client.	1578	Sends an ext event to the client.
1171		1579
1172	=cut	1580	=cut
1173		1581
1174	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1176		1584
1177	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1178	}	1586	}
1179		1587
1180	=head3 cf::region	1588	=head3 cf::region
1181		1589
1182	=over 4	1590	=over 4
…		…
1185		1593
1186	package cf::region;	1594	package cf::region;
1187		1595
1188	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1189		1597
1190	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1191		1599
1192	=cut	1600	=cut
1193		1601
1194	sub find_by_path($) {	1602	sub find_by_path($) {
1195	my ($path) = @_;	1603	my ($path) = @_;
1196		1604
1197	my ($match, $specificity);	1605	my ($match, $specificity);
1198		1606
1199	for my $region (list) {	1607	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1203	}	1611	}
1204	}	1612	}
1205		1613
…		…
1269	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1270		1678
1271	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1272	local $self->{path};	1680	local $self->{path};
1273	local $self->{load_path};	1681	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1682
1277	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1278	}	1684	}
1279		1685
1280	sub normalise {	1686	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1328	return $self;	1734	return $self;
1329	}	1735	}
1330	}	1736	}
1331		1737
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1739	()
1334	}	1740	}
1335		1741
1336	sub init {	1742	sub init {
1337	my ($self) = @_;	1743	my ($self) = @_;
…		…
1380		1786
1381	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1383	}	1789	}
1384		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1385	sub unlink_save {	1799	sub unlink_save {
1386	my ($self) = @_;	1800	my ($self) = @_;
1387		1801
1388	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1806
1393	sub load_header_from($) {	1807	sub load_header_from($) {
1394	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1395		1809
1396	utf8::encode $path;	1810	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1402		1819
1403	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1404		1821
1405	1	1822	1
1406	}	1823	}
…		…
1445	$self->load_header_orig	1862	$self->load_header_orig
1446	or return;	1863	or return;
1447	$self->prepare_orig;	1864	$self->prepare_orig;
1448	}	1865	}
1449		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1450	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1871	unless $self->default_region;
1452		1872
1453	1	1873	1
1454	}	1874	}
…		…
1457	sub find {	1877	sub find {
1458	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1459		1879
1460	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1461		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1463		1884
1464	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1466	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1467	or return;	1890	or return;
1468		1891
1469	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1470		1893
1471	$map->load_header	1894	$map->load_header
1472	or return;	1895	or return;
1473		1896
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1477	$map->reset;	1902	$map->reset;
1478	undef $guard;
1479	return find $path;	1903	return find $path;
1480	}	1904	}
1481		1905
1482	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1483	}	1907	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1493		1917
1494	my $path = $self->{path};	1918	my $path = $self->{path};
1495		1919
1496	{	1920	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1498		1922
		1923	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1925
1501	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1502		1927
1503	$self->alloc;	1928	$self->alloc;
1504		1929
1505	$self->pre_load;	1930	$self->pre_load;
1506	Coro::cede;	1931	cf::cede_to_tick;
1507		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1509	or return;	1936	or return;
1510		1937
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1939	if delete $self->{load_original};
1513		1940
1514	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1942	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1945	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1519	}	1949	}
1520	}	1950	}
1521		1951
1522	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1523	# now do the right thing for maps	1955	# now do the right thing for maps
1524	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1958	unless $self->difficulty;
1527	Coro::cede;	1959	cf::cede_to_tick;
1528		1960
1529	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1962	$self->decay_objects;
1531	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1532	$self->update_buttons;	1964	$self->update_buttons;
1533	Coro::cede;	1965	cf::cede_to_tick;
1534	$self->set_darkness_map;	1966	$self->set_darkness_map;
1535	Coro::cede;	1967	cf::cede_to_tick;
1536	$self->activate;	1968	$self->activate;
1537	}	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1538		1973
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1540	}	1975	}
1541		1976
1542	$self->post_load;	1977	$self->post_load;
…		…
1546	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1547		1982
1548	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	1984	if $self->per_player;
1550		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1551	$self	1989	$self
1552	}	1990	}
1553		1991
1554	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	1993	sub load_neighbours {
1556	my ($map) = @_;	1994	my ($map) = @_;
1557		1995
1558	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1559		1997
1560	for (0 .. 3) {	1998	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1562	or next;	2000	or next;
1563	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1564	or next;	2002	or next;
1565	$neigh->load;	2003	$neigh->load;
1566		2004
		2005	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2008	}
1570		2009
1571	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1573	or next;	2013	or next;
1574	$neigh->load;	2014	$neigh->load;
1575	}	2015	}
1576	}	2016	}
1577		2017
…		…
1582	}	2022	}
1583		2023
1584	sub do_load_sync {	2024	sub do_load_sync {
1585	my ($map) = @_;	2025	my ($map) = @_;
1586		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1587	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1588	}	2031	}
1589		2032
1590	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1592		2035
1593	sub find_async {	2036	sub find_async {
1594	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1595		2038
1596	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1597		2040
1598	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1600	}	2043	}
1601		2044
1602	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1603	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1604	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2050	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2051	$map->load if $v;
		2052	}
1609		2053
1610	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1611	}	2055	}
1612	}	2056	}
1613	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1614	};	2058	};
1615	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2062	}
1619		2063
1620	sub save {	2064	sub save {
1621	my ($self) = @_;	2065	my ($self) = @_;
1622		2066
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2068
1625	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1626		2070
1627	return unless $self->dirty;	2071	return unless $self->dirty;
1628		2072
…		…
1651	my ($self) = @_;	2095	my ($self) = @_;
1652		2096
1653	# save first because save cedes	2097	# save first because save cedes
1654	$self->save;	2098	$self->save;
1655		2099
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2101
1658	return if $self->players;	2102	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};	2104	return if $self->{deny_save};
1661		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2110	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2111	}
1665		2112
1666	sub reset_at {	2113	sub reset_at {
1667	my ($self) = @_;	2114	my ($self) = @_;
1668		2115
1669	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1672		2118
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2121
…		…
1686	my ($self) = @_;	2132	my ($self) = @_;
1687		2133
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2135
1690	return if $self->players;	2136	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2137
1693	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1694		2139
1695	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1696		2141
1697	# need to save uniques path	2142	# need to save uniques path
1698	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2147	if $uniq;
1703	}	2148	}
1704		2149
1705	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1706		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2154	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2155
1711	$self->unlink_save;	2156	$self->unlink_save;
1712	$self->destroy;	2157	$self->destroy;
1713	}	2158	}
1714		2159
1715	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1716		2161
1717	sub nuke {	2162	sub nuke {
1718	my ($self) = @_;	2163	my ($self) = @_;
1719		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1720	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1721		2169
1722	$self->unlink_save;	2170	$self->unlink_save;
1723		2171
1724	bless $self, "cf::map";	2172	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2177
1730	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1731		2180
1732	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1733	}	2218	}
1734		2219
1735	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1736		2221
1737	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2223	instantiated unique items. May block.
1739		2224
1740	=cut	2225	=cut
1741		2226
1742	sub unique_maps() {	2227	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2228	[
1744	or return;	2229	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2230	utf8::decode $_;
1750	next if /\.pst$/;	2231	/\.map$/
1751	next unless /^$PATH_SEP/o;	2232	? normalise $_
1752		2233	: ()
1753	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2235	]
1755
1756	\@paths
1757	}	2236	}
1758		2237
1759	package cf;	2238	package cf;
1760		2239
1761	=back	2240	=back
…		…
1779	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1780	}	2259	}
1781		2260
1782	sub inv_recursive {	2261	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1784	}	2294	}
1785		2295
1786	package cf;	2296	package cf;
1787		2297
1788	=back	2298	=back
…		…
1807		2317
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2319
1810	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1812	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1815	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1816	}	2345	}
1817		2346
1818	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1819		2348
1820	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1867	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1868		2397
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2399
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1873		2402
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1875	}	2404	}
1876		2405
1877	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1879		2410
1880	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1881		2412
1882	unless ($map) {	2413	unless ($map) {
1883	# restore original map position	2414	# restore original map position
…		…
1897	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1900		2431
1901	$map->load;	2432	$map->load;
1902	$map->load_diag;	2433	$map->load_neighbours;
1903		2434
1904	return unless $self->contr->active;	2435	return unless $self->contr->active;
1905	$self->activate_recursive;	2436	$self->activate_recursive;
1906		2437
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1909	}	2440	}
1910		2441
1911	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912	on_logout => sub {
1913	my ($pl) = @_;
1914		2443
1915	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1916	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1917	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1918	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1919	};	2448	be called at the end of this process.
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2449
1925	# try to abort aborted map switching on player login :)
1926	# should happen only on crashes
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942
1943	=item $player_object->goto ($path, $x, $y)
1944
1945	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1946		2453
1947	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2459
1950	$self->enter_link;	2460	$self->enter_link;
1951		2461
1952	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1953	my $map = eval {	2482	my $map = eval {
1954	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1956	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2498	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1961	})->prio (1);	2506	})->prio (1);
1962	}	2507	}
1963		2508
1964	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1965		2510
…		…
2034	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
2036		2581
2037	$self->enter_link;	2582	$self->enter_link;
2038		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
2039	(async {	2588	(async {
2040	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
2041	unless (eval {	2590	unless (eval {
2042	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
2043		2592
…		…
2070		2619
2071	utf8::encode $text;	2620	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2622	}
2074		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
2075	=item $client->ext_event ($type, %msg)	2705	=item $client->ext_msg ($type, @msg)
2076		2706
2077	Sends an exti event to the client.	2707	Sends an ext event to the client.
2078		2708
2079	=cut	2709	=cut
2080		2710
2081	sub cf::client::ext_event($$%) {	2711	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	2712	my ($self, $type, @msg) = @_;
2083		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	2717	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
2086	}	2738	}
2087		2739
2088	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
2089		2741
2090	Queues a query to the client, calling the given callback with	2742	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2743	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		2745
2094	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	2747	become reliable at some point in the future.
2096		2748
2097	=cut	2749	=cut
2098		2750
2099	sub cf::client::query {	2751	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	2760	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		2762
2111	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
2113	}	2767	}
2114		2768
2115	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
2116	on_reply => sub {	2775	on_reply => sub {
2117	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
2118		2777
2119	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
2120	# get handled first	2779	# get handled first
…		…
2132	} else {	2791	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	2793	}
2135	}	2794	}
2136	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
2137	);	2822	);
2138		2823
2139	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
2140		2825
2141	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2182	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2184		2869
2185	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2186		2871
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
2188		2877
2189	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2190		2879
2191	=pod	2880	=pod
2192		2881
2193	The following functions and methods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2194		2883
2195	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
2196	cf::object::player player	2888	cf::object::player
2197	cf::player peaceful	2889	player
2198	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2199		2896
2200	=cut	2897	=cut
2201		2898
2202	for (	2899	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2204	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2206	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2207	) {	2906	) {
2208	no strict 'refs';	2907	no strict 'refs';
…		…
2279	=back	2978	=back
2280		2979
2281	=cut	2980	=cut
2282		2981
2283	#############################################################################	2982	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	reset_signals;
2441	local $SIG{__WARN__};
2442	local $SIG{__DIE__};
2443	eval {
2444	close $fh1;
2445
2446	my @res = eval { $cb->(@args) };
2447	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2448	};
2449
2450	warn $@ if $@;
2451	_exit 0;
2452	}
2453	}
2454
2455
2456
2457	#############################################################################
2458	# the server's init and main functions	2983	# the server's init and main functions
2459		2984
2460	sub load_facedata($) {	2985	sub load_facedata($) {
2461	my ($path) = @_;	2986	my ($path) = @_;
		2987
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2462		2993
2463	warn "loading facedata from $path\n";	2994	warn "loading facedata from $path\n";
2464		2995
2465	my $facedata;	2996	my $facedata;
2466	0 < aio_load $path, $facedata	2997	0 < aio_load $path, $facedata
…		…
2469	$facedata = Coro::Storable::thaw $facedata;	3000	$facedata = Coro::Storable::thaw $facedata;
2470		3001
2471	$facedata->{version} == 2	3002	$facedata->{version} == 2
2472	or cf::cleanup "$path: version mismatch, cannot proceed.";	3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
2473		3004
		3005	# patch in the exptable
		3006	$facedata->{resource}{"res/exp_table"} = {
		3007	type => FT_RSRC,
		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3009	};
		3010	cf::cede_to_tick;
		3011
2474	{	3012	{
2475	my $faces = $facedata->{faceinfo};	3013	my $faces = $facedata->{faceinfo};
2476		3014
2477	while (my ($face, $info) = each %$faces) {	3015	while (my ($face, $info) = each %$faces) {
2478	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2479	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3017	cf::face::set_visibility $idx, $info->{visibility};
		3018	cf::face::set_magicmap $idx, $info->{magicmap};
2480	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2481	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2482	Coro::cede;	3021
		3022	cf::cede_to_tick;
2483	}	3023	}
2484		3024
2485	while (my ($face, $info) = each %$faces) {	3025	while (my ($face, $info) = each %$faces) {
2486	next unless $info->{smooth};	3026	next unless $info->{smooth};
2487	my $idx = cf::face::find $face	3027	my $idx = cf::face::find $face
2488	or next;	3028	or next;
2489	if (my $smooth = cf::face::find $info->{smooth}) {	3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
2490	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2491	} else {	3032	} else {
2492	warn "smooth face '$info->{smooth}' not found for face '$face'";	3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
2493	}	3034	}
2494	Coro::cede;	3035
		3036	cf::cede_to_tick;
2495	}	3037	}
2496	}	3038	}
2497		3039
2498	{	3040	{
2499	my $anims = $facedata->{animinfo};	3041	my $anims = $facedata->{animinfo};
2500		3042
2501	while (my ($anim, $info) = each %$anims) {	3043	while (my ($anim, $info) = each %$anims) {
2502	cf::anim::set $anim, $info->{frames}, $info->{facings};	3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
2503	Coro::cede;	3045	cf::cede_to_tick;
2504	}	3046	}
2505		3047
2506	cf::anim::invalidate_all; # d'oh	3048	cf::anim::invalidate_all; # d'oh
2507	}	3049	}
2508		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
		3098	}
		3099
2509	1	3100	1
2510	}	3101	}
2511		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
2512	sub reload_regions {	3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
2513	load_resource_file "$MAPDIR/regions"	3116	load_resource_file "$MAPDIR/regions"
2514	or die "unable to load regions file\n";	3117	or die "unable to load regions file\n";
		3118
		3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
2515	}	3123	}
2516		3124
2517	sub reload_facedata {	3125	sub reload_facedata {
2518	load_facedata "$DATADIR/facedata"	3126	load_facedata "$DATADIR/facedata"
2519	or die "unable to load facedata\n";	3127	or die "unable to load facedata\n";
2520	}	3128	}
2521		3129
2522	sub reload_archetypes {	3130	sub reload_archetypes {
2523	load_resource_file "$DATADIR/archetypes"	3131	load_resource_file "$DATADIR/archetypes"
2524	or die "unable to load archetypes\n";	3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
2525	}	3138	}
2526		3139
2527	sub reload_treasures {	3140	sub reload_treasures {
2528	load_resource_file "$DATADIR/treasures"	3141	load_resource_file "$DATADIR/treasures"
2529	or die "unable to load treasurelists\n";	3142	or die "unable to load treasurelists\n";
…		…
2532	sub reload_resources {	3145	sub reload_resources {
2533	warn "reloading resource files...\n";	3146	warn "reloading resource files...\n";
2534		3147
2535	reload_regions;	3148	reload_regions;
2536	reload_facedata;	3149	reload_facedata;
		3150	#reload_archetypes;#d#
2537	reload_archetypes;	3151	reload_archetypes;
2538	reload_treasures;	3152	reload_treasures;
2539		3153
2540	warn "finished reloading resource files\n";	3154	warn "finished reloading resource files\n";
2541	}	3155	}
2542		3156
2543	sub init {	3157	sub init {
2544	reload_resources;	3158	reload_resources;
2545	}	3159	}
2546		3160
2547	sub cfg_load {	3161	sub reload_config {
2548	open my $fh, "<:utf8", "$CONFDIR/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2549	or return;	3163	or return;
2550		3164
2551	local $/;	3165	local $/;
2552	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
…		…
2572	(async {	3186	(async {
2573	Event::one_event;	3187	Event::one_event;
2574	})->prio (Coro::PRIO_MAX);	3188	})->prio (Coro::PRIO_MAX);
2575	};	3189	};
2576		3190
2577	cfg_load;	3191	reload_config;
2578	db_init;	3192	db_init;
2579	load_extensions;	3193	load_extensions;
2580		3194
2581	$TICK_WATCHER->start;	3195	$TICK_WATCHER->start;
2582	Event::loop;	3196	Event::loop;
…		…
2598	},	3212	},
2599	);	3213	);
2600	}	3214	}
2601	}	3215	}
2602		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
		3253	}
		3254
2603	sub emergency_save() {	3255	sub emergency_save() {
2604	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2605		3257
2606	warn "enter emergency perl save\n";	3258	warn "enter emergency perl save\n";
2607		3259
…		…
2682	%EXT_CORO = ();	3334	%EXT_CORO = ();
2683		3335
2684	warn "removing commands";	3336	warn "removing commands";
2685	%COMMAND = ();	3337	%COMMAND = ();
2686		3338
2687	warn "removing ext commands";	3339	warn "removing ext/exti commands";
2688	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2689		3342
2690	warn "unloading/nuking all extensions";	3343	warn "unloading/nuking all extensions";
2691	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2692	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2693		3346
…		…
2736	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2737	require cf;	3390	require cf;
2738	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2739		3392
2740	warn "loading config and database again";	3393	warn "loading config and database again";
2741	cf::cfg_load;	3394	cf::reload_config;
2742		3395
2743	warn "loading extensions";	3396	warn "loading extensions";
2744	cf::load_extensions;	3397	cf::load_extensions;
2745		3398
2746	warn "reattaching attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
…		…
2824	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2825	unless ++$bug_warning > 10;	3478	unless ++$bug_warning > 10;
2826	return;	3479	return;
2827	}	3480	}
2828		3481
2829	$NOW = Event::time;	3482	$NOW = $tick_start = Event::time;
2830		3483
2831	cf::server_tick; # one server iteration	3484	cf::server_tick; # one server iteration
2832		3485
2833	$RUNTIME += $TICK;	3486	$RUNTIME += $TICK;
2834	$NEXT_TICK += $TICK;	3487	$NEXT_TICK += $TICK;
…		…
2839	write_runtime	3492	write_runtime
2840	or warn "ERROR: unable to write runtime file: $!";	3493	or warn "ERROR: unable to write runtime file: $!";
2841	};	3494	};
2842	}	3495	}
2843		3496
2844	# my $AFTER = Event::time;	3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2845	# warn $AFTER - $NOW;#d#	3498	$sig->send;
		3499	}
		3500	while (my $sig = shift @WAIT_FOR_TICK) {
		3501	$sig->send;
		3502	}
		3503
		3504	$NOW = Event::time;
2846		3505
2847	# if we are delayed by four ticks or more, skip them all	3506	# if we are delayed by four ticks or more, skip them all
2848	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2849		3508
2850	$TICK_WATCHER->at ($NEXT_TICK);	3509	$TICK_WATCHER->at ($NEXT_TICK);
2851	$TICK_WATCHER->start;	3510	$TICK_WATCHER->start;
2852		3511
2853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3512	$LOAD = ($NOW - $tick_start) / $TICK;
2854	$sig->send;	3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2855	}
2856	while (my $sig = shift @WAIT_FOR_TICK) {
2857	$sig->send;
2858	}
2859		3514
2860	_post_tick;	3515	_post_tick;
2861	},	3516	},
2862	);	3517	);
2863		3518
2864	{	3519	{
		3520	BDB::min_parallel 8;
2865	BDB::max_poll_time $TICK * 0.1;	3521	BDB::max_poll_time $TICK * 0.1;
2866	$BDB_POLL_WATCHER = Event->io (	3522	$BDB_POLL_WATCHER = Event->io (
2867	reentrant => 0,	3523	reentrant => 0,
2868	fd => BDB::poll_fileno,	3524	fd => BDB::poll_fileno,
2869	poll => 'r',	3525	poll => 'r',
2870	prio => 0,	3526	prio => 0,
2871	data => WF_AUTOCANCEL,	3527	data => WF_AUTOCANCEL,
2872	cb => \&BDB::poll_cb,	3528	cb => \&BDB::poll_cb,
2873	);	3529	);
2874	BDB::min_parallel 8;
2875		3530
2876	BDB::set_sync_prepare {	3531	BDB::set_sync_prepare {
2877	my $status;	3532	my $status;
2878	my $current = $Coro::current;	3533	my $current = $Coro::current;
2879	(	3534	(
…		…
2888	)	3543	)
2889	};	3544	};
2890		3545
2891	unless ($DB_ENV) {	3546	unless ($DB_ENV) {
2892	$DB_ENV = BDB::db_env_create;	3547	$DB_ENV = BDB::db_env_create;
		3548	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3549	| BDB::LOG_AUTOREMOVE, 1);
		3550	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3551	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2893		3552
2894	cf::sync_job {	3553	cf::sync_job {
2895	eval {	3554	eval {
2896	BDB::db_env_open	3555	BDB::db_env_open
2897	$DB_ENV,	3556	$DB_ENV,
…		…
2899	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3558	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2900	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3559	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2901	0666;	3560	0666;
2902		3561
2903	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3562	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2904
2905	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2906	$DB_ENV->set_lk_detect;
2907	};	3563	};
2908		3564
2909	cf::cleanup "db_env_open(db): $@" if $@;	3565	cf::cleanup "db_env_open(db): $@" if $@;
2910	};	3566	};
2911	}	3567	}
		3568
		3569	$BDB_DEADLOCK_WATCHER = Event->timer (
		3570	after => 3,
		3571	interval => 1,
		3572	hard => 1,
		3573	prio => 0,
		3574	data => WF_AUTOCANCEL,
		3575	cb => sub {
		3576	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3577	},
		3578	);
		3579	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3580	after => 11,
		3581	interval => 60,
		3582	hard => 1,
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => sub {
		3586	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3587	},
		3588	);
		3589	$BDB_TRICKLE_WATCHER = Event->timer (
		3590	after => 5,
		3591	interval => 10,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3597	},
		3598	);
2912	}	3599	}
2913		3600
2914	{	3601	{
2915	IO::AIO::min_parallel 8;	3602	IO::AIO::min_parallel 8;
2916		3603

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines