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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.368 by root, Wed Sep 12 11:18:25 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_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	87	our $DB_ENV;
82		88
83	our %CFG;	89	our %CFG;
84		90
85	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	92	our $RUNTIME;
87		93
88	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
91		97
92	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
94		104
95	binmode STDOUT;	105	binmode STDOUT;
96	binmode STDERR;	106	binmode STDERR;
97		107
98	# read virtual server time, if available	108	# read virtual server time, if available
…		…
139		149
140	=item $cf::TICK	150	=item $cf::TICK
141		151
142	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
143		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
		163
144	=item %cf::CFG	164	=item %cf::CFG
145		165
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	167	from wherever your confdir points to.
148		168
…		…
150		170
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	171	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	172	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.	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
		180
155	=back	181	=back
156		182
157	=cut	183	=cut
158		184
159	BEGIN {	185	BEGIN {
…		…
163	$msg .= "\n"	189	$msg .= "\n"
164	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
165		191
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		193
168	utf8::encode $msg;
169	LOG llevError, $msg;	194	LOG llevError, $msg;
170	};	195	};
171	}	196	}
172		197
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		205
180	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	207	# within the Safe compartment.
182	for my $pkg (qw(	208	for my $pkg (qw(
183	cf::global cf::attachable	209	cf::global cf::attachable
…		…
191	}	217	}
192		218
193	$Event::DIED = sub {	219	$Event::DIED = sub {
194	warn "error in event callback: @_";	220	warn "error in event callback: @_";
195	};	221	};
		222
		223	#############################################################################
196		224
197	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
198		226
199	=over 4	227	=over 4
200		228
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	248	$d
221	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
222	}	250	}
223		251
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
227		253
228	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
229		255
230	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
231		257
232	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
		259
		260	=cut
		261
		262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		263
		264	sub to_json ($) { $json_coder->encode ($_[0]) }
		265	sub from_json ($) { $json_coder->decode ($_[0]) }
233		266
234	=item cf::lock_wait $string	267	=item cf::lock_wait $string
235		268
236	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
237		270
…		…
240	Wait until the given lock is available and then acquires it and returns	273	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,	274	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	275	for example when the coroutine gets canceled), the lock is automatically
243	returned.	276	returned.
244		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
245	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
247		283
248	=item $locked = cf::lock_active $string	284	=item $locked = cf::lock_active $string
249		285
250	Return true if the lock is currently active, i.e. somebody has locked it.	286	Return true if the lock is currently active, i.e. somebody has locked it.
251		287
252	=cut	288	=cut
253		289
254	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
255		292
256	sub lock_wait($) {	293	sub lock_wait($) {
257	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
258		300
259	# wait for lock, if any	301	# wait for lock, if any
260	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	304	Coro::schedule;
…		…
268		310
269	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
270	lock_wait $key;	312	lock_wait $key;
271		313
272	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
273		316
274	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
277	}	321	}
278	}	322	}
279		323
…		…
291	};	335	};
292	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
293	$guard	337	$guard
294	}	338	}
295		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
		394	}
		395
296	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
297		397
298	Currently the same as Coro::async_pool, meaning you cannot use	398	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	399	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.	400	thing you are allowed to do is call C<prio> on it.
…		…
303		403
304	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
305		405
306	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
307		407
308	The design of crossfire+ requires that the main coro ($Coro::main) is	408	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	409	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.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
311		412
312	If it must be done, put the blocking parts into C<sync_job>. This will run	413	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	414	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	415	server will be frozen during this time, so the block should either finish
315	fast or be very important.	416	fast or be very important.
…		…
318		419
319	sub sync_job(&) {	420	sub sync_job(&) {
320	my ($job) = @_;	421	my ($job) = @_;
321		422
322	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
323	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
325		428
326	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
338		441
339	while ($busy) {	442	while ($busy) {
340	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
341	}	444	}
342		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
343	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
344	} else {	454	} else {
345	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
346		456
347	$job->()	457	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
367		477
368	$coro	478	$coro
369	}	479	}
370		480
371	sub write_runtime {	481	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		482
374	# first touch the runtime file to show we are still running:	483	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
376		487
377	warn "touching runtime...\n";#d#	488	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	489
379	utime undef, undef, $fh;	490	sub fork_call(&@) {
		491	my ($cb, @args) = @_;
		492
		493	# we seemingly have to make a local copy of the whole thing,
		494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
		496
		497	my @res = Coro::Util::fork_eval {
		498	reset_signals;
		499	&$cb
		500	}, @args;
		501
		502	wantarray ? @res : $res[-1]
		503	}
		504
		505	=item $value = cf::db_get $family => $key
		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
380	}	532	};
		533	cf::cleanup "db_open(db): $@" if $@;
381		534
382	my $guard = cf::lock_acquire "write_runtime";	535	$db
		536	}
383		537
384	warn "starting to write runtime...\n";#d#	538	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		539
388	my $value = $cf::RUNTIME + 90 + 10;	540	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	541	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	542	$DB ||= db_table "db";
		543	};
		544	}
391		545
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	546	sub db_get($$) {
393	and return;	547	my $key = "$_[0]/$_[1]";
394		548
395	# always fsync - this file is important	549	cf::sync_job {
396	aio_fsync $fh	550	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		551
399	# touch it again to show we are up-to-date	552	$! ? ()
400	utime undef, undef, $fh;	553	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
411	}	630	}
412		631
413	=item cf::datalog type => key => value, ...	632	=item cf::datalog type => key => value, ...
414		633
415	Log a datalog packet of the given type with the given key-value pairs.	634	Log a datalog packet of the given type with the given key-value pairs.
…		…
433	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
435		654
436	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	657	Crossfire TRT).
439		658
440	=over 4	659	=over 4
441		660
442	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
443		662
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
607		826
608	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		831
613	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	833	my $pkg = shift @arg;
615		834
616	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
646	}	865	}
647		866
648	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
649	} else {	868	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	870	}
652		871
653	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
654	}	873	}
655		874
…		…
657	if (ref $_[0]) {	876	if (ref $_[0]) {
658	_object_attach @_;	877	_object_attach @_;
659	} else {	878	} else {
660	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
661	}	880	}
		881	_recalc_want;
662	};	882	};
663		883
664	# all those should be optimised	884	# all those should be optimised
665	sub cf::attachable::detach {	885	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
670	reattach ($obj);	890	reattach ($obj);
671	} else {	891	} else {
672	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
673	}	893	}
		894	_recalc_want;
674	};	895	};
675		896
676	sub cf::attachable::attached {	897	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
678		899
…		…
693	";	914	";
694	die if $@;	915	die if $@;
695	}	916	}
696		917
697	our $override;	918	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		920
700	sub override {	921	sub override {
701	$override = 1;	922	$override = 1;
702	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
703	}	924	}
704		925
705	sub do_invoke {	926	sub do_invoke {
706	my $event = shift;	927	my $event = shift;
707	my $callbacks = shift;	928	my $callbacks = shift;
708		929
709	@invoke_results = ();	930	@INVOKE_RESULTS = ();
710		931
711	local $override;	932	local $override;
712		933
713	for (@$callbacks) {	934	for (@$callbacks) {
714	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
731		952
732	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
733		954
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		958
738	=back	959	=back
739		960
740	=cut	961	=cut
741		962
742	#############################################################################	963	#############################################################################
743	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
744		976
745	sub reattach {	977	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	979	my ($obj) = @_;
748		980
…		…
793	);	1025	);
794		1026
795	sub object_freezer_save {	1027	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
797		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
798	sync_job {	1032	sync_job {
799	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
802		1037
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
825	}	1060	}
826	} else {	1061	} else {
827	aio_unlink $filename;	1062	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
829	}	1064	}
830	}	1065	};
		1066
		1067	undef $guard;
831	}	1068	}
832		1069
833	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
835		1072
…		…
840		1077
841	sub object_thawer_load {	1078	sub object_thawer_load {
842	my ($filename) = @_;	1079	my ($filename) = @_;
843		1080
844	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
845		1084
846	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
847	or return;	1086	or return;
848		1087
849	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
851	or return;	1090	or return;
		1091
		1092	undef $guard;
852	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
853	}	1094	}
854		1095
		1096	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
857	return ($data, $av);	1100	($data, $av)
858	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
859		1108
860	#############################################################################	1109	#############################################################################
861	# command handling &c	1110	# command handling &c
862		1111
863	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1126	}
878		1127
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1129
881	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
882		1135
883	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
884	called.	1137	called.
885		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
886	=cut	1150	=cut
887		1151
888	sub register_extcmd {	1152	sub register_extcmd {
889	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
890		1154
891	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
892	}	1162	}
893		1163
894	cf::player->attach (	1164	cf::player->attach (
895	on_command => sub {	1165	on_command => sub {
896	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1175	cf::override;
906	},	1176	},
907	on_extcmd => sub {	1177	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
909		1179
910	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1181
912	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
918	} else {	1197	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1199	}
921		1200
922	cf::override;	1201	cf::override;
923	},	1202	},
924	);	1203	);
925		1204
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
961	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1210	next unless -r $path;
963	eval {	1211
964	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
965	1	1269	}
966	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
967	}	1275	};
968	}	1276	}
969		1277
970	#############################################################################	1278	#############################################################################
971		1279
		1280	=back
		1281
972	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
973		1283
974	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
975		1285
976	=cut	1286	=cut
…		…
980	use Coro::AIO;	1290	use Coro::AIO;
981		1291
982	=head3 cf::player	1292	=head3 cf::player
983		1293
984	=over 4	1294	=over 4
		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
985		1309
986	=item cf::player::find $login	1310	=item cf::player::find $login
987		1311
988	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
989		1313
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1352	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1353
1030	my $pl = load_pl path $login	1354	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1033	}	1363	}
1034	}	1364	}
1035	}	1365	}
1036		1366
…		…
1046		1376
1047	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1049		1379
1050	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1051	Coro::cede;	1381	cf::cede_to_tick;
1052	}	1382	}
1053		1383
1054	sub new($) {	1384	sub new($) {
1055	my ($login) = @_;	1385	my ($login) = @_;
1056		1386
…		…
1060	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1061		1391
1062	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1063		1393
1064	$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 (@_);
1065	}	1405	}
1066		1406
1067	=item $pl->quit_character	1407	=item $pl->quit_character
1068		1408
1069	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
…		…
1124	or return [];	1464	or return [];
1125		1465
1126	my @logins;	1466	my @logins;
1127		1467
1128	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") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1132		1477
1133	utf8::decode $login;	1478	utf8::decode $login;
1134	push @logins, $login;	1479	push @logins, $login;
1135	}	1480	}
1136		1481
…		…
1163	}	1508	}
1164		1509
1165	\@paths	1510	\@paths
1166	}	1511	}
1167		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
1168	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1169		1565
1170	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1171		1567
1172	=cut	1568	=cut
1173		1569
1174	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1176		1572
1177	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1574	}
1181		1575
1182	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1183		1577
1184	Sends an ext event to the client.	1578	Sends an ext event to the client.
1185		1579
1186	=cut	1580	=cut
1187		1581
1188	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1190		1584
1191	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1192	}	1586	}
1193		1587
1194	=head3 cf::region	1588	=head3 cf::region
1195		1589
1196	=over 4	1590	=over 4
…		…
1199		1593
1200	package cf::region;	1594	package cf::region;
1201		1595
1202	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1203		1597
1204	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1205		1599
1206	=cut	1600	=cut
1207		1601
1208	sub find_by_path($) {	1602	sub find_by_path($) {
1209	my ($path) = @_;	1603	my ($path) = @_;
1210		1604
1211	my ($match, $specificity);	1605	my ($match, $specificity);
1212		1606
1213	for my $region (list) {	1607	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1217	}	1611	}
1218	}	1612	}
1219		1613
…		…
1283	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1284		1678
1285	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1286	local $self->{path};	1680	local $self->{path};
1287	local $self->{load_path};	1681	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1682
1291	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1292	}	1684	}
1293		1685
1294	sub normalise {	1686	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1342	return $self;	1734	return $self;
1343	}	1735	}
1344	}	1736	}
1345		1737
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1739	()
1348	}	1740	}
1349		1741
1350	sub init {	1742	sub init {
1351	my ($self) = @_;	1743	my ($self) = @_;
…		…
1394		1786
1395	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1397	}	1789	}
1398		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1399	sub unlink_save {	1799	sub unlink_save {
1400	my ($self) = @_;	1800	my ($self) = @_;
1401		1801
1402	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1806
1407	sub load_header_from($) {	1807	sub load_header_from($) {
1408	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1409		1809
1410	utf8::encode $path;	1810	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	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;
1416		1819
1417	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1418		1821
1419	1	1822	1
1420	}	1823	}
…		…
1459	$self->load_header_orig	1862	$self->load_header_orig
1460	or return;	1863	or return;
1461	$self->prepare_orig;	1864	$self->prepare_orig;
1462	}	1865	}
1463		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1464	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1871	unless $self->default_region;
1466		1872
1467	1	1873	1
1468	}	1874	}
…		…
1471	sub find {	1877	sub find {
1472	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1473		1879
1474	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1475		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1477		1884
1478	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1479	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
1480	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1481	or return;	1890	or return;
1482		1891
1483	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1484		1893
1485	$map->load_header	1894	$map->load_header
1486	or return;	1895	or return;
1487		1896
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1491	$map->reset;	1902	$map->reset;
1492	undef $guard;
1493	return find $path;	1903	return find $path;
1494	}	1904	}
1495		1905
1496	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1497	}	1907	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1507		1917
1508	my $path = $self->{path};	1918	my $path = $self->{path};
1509		1919
1510	{	1920	{
1511	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1512		1922
		1923	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		1925
1515	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1516		1927
1517	$self->alloc;	1928	$self->alloc;
1518		1929
1519	$self->pre_load;	1930	$self->pre_load;
1520	Coro::cede;	1931	cf::cede_to_tick;
1521		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1523	or return;	1936	or return;
1524		1937
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526	if delete $self->{load_original};	1939	if delete $self->{load_original};
1527		1940
1528	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	1942	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	1945	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1533	}	1949	}
1534	}	1950	}
1535		1951
1536	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1537	# now do the right thing for maps	1955	# now do the right thing for maps
1538	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	1958	unless $self->difficulty;
1541	Coro::cede;	1959	cf::cede_to_tick;
1542		1960
1543	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	1962	$self->decay_objects;
1545	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1546	$self->update_buttons;	1964	$self->update_buttons;
1547	Coro::cede;	1965	cf::cede_to_tick;
1548	$self->set_darkness_map;	1966	$self->set_darkness_map;
1549	Coro::cede;	1967	cf::cede_to_tick;
1550	$self->activate;	1968	$self->activate;
1551	}	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1552		1973
1553	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	1975	}
1555		1976
1556	$self->post_load;	1977	$self->post_load;
…		…
1560	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1561		1982
1562	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1984	if $self->per_player;
1564		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1565	$self	1989	$self
1566	}	1990	}
1567		1991
1568	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1993	sub load_neighbours {
1570	my ($map) = @_;	1994	my ($map) = @_;
1571		1995
1572	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1573		1997
1574	for (0 .. 3) {	1998	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1576	or next;	2000	or next;
1577	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1578	or next;	2002	or next;
1579	$neigh->load;	2003	$neigh->load;
1580		2004
		2005	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2008	}
1584		2009
1585	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1587	or next;	2013	or next;
1588	$neigh->load;	2014	$neigh->load;
1589	}	2015	}
1590	}	2016	}
1591		2017
…		…
1596	}	2022	}
1597		2023
1598	sub do_load_sync {	2024	sub do_load_sync {
1599	my ($map) = @_;	2025	my ($map) = @_;
1600		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1601	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1602	}	2031	}
1603		2032
1604	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1606		2035
1607	sub find_async {	2036	sub find_async {
1608	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1609		2038
1610	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1611		2040
1612	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614	}	2043	}
1615		2044
1616	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1617	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1618	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2050	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2051	$map->load if $v;
		2052	}
1623		2053
1624	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1625	}	2055	}
1626	}	2056	}
1627	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1628	};	2058	};
1629	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2062	}
1633		2063
1634	sub save {	2064	sub save {
1635	my ($self) = @_;	2065	my ($self) = @_;
1636		2066
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2068
1639	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1640		2070
1641	return unless $self->dirty;	2071	return unless $self->dirty;
1642		2072
…		…
1665	my ($self) = @_;	2095	my ($self) = @_;
1666		2096
1667	# save first because save cedes	2097	# save first because save cedes
1668	$self->save;	2098	$self->save;
1669		2099
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2101
1672	return if $self->players;	2102	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};	2104	return if $self->{deny_save};
1675		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2110	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2111	}
1679		2112
1680	sub reset_at {	2113	sub reset_at {
1681	my ($self) = @_;	2114	my ($self) = @_;
1682		2115
1683	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1686		2118
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2121
…		…
1700	my ($self) = @_;	2132	my ($self) = @_;
1701		2133
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2135
1704	return if $self->players;	2136	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2137
1707	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1708		2139
1709	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1710		2141
1711	# need to save uniques path	2142	# need to save uniques path
1712	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2147	if $uniq;
1717	}	2148	}
1718		2149
1719	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1720		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2154	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2155
1725	$self->unlink_save;	2156	$self->unlink_save;
1726	$self->destroy;	2157	$self->destroy;
1727	}	2158	}
1728		2159
1729	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1730		2161
1731	sub nuke {	2162	sub nuke {
1732	my ($self) = @_;	2163	my ($self) = @_;
1733		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1734	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1735		2169
1736	$self->unlink_save;	2170	$self->unlink_save;
1737		2171
1738	bless $self, "cf::map";	2172	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2177
1744	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1745		2180
1746	$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	]
1747	}	2218	}
1748		2219
1749	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1750		2221
1751	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2223	instantiated unique items. May block.
1753		2224
1754	=cut	2225	=cut
1755		2226
1756	sub unique_maps() {	2227	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2228	[
1758	or return;	2229	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2230	utf8::decode $_;
1764	next if /\.pst$/;	2231	/\.map$/
1765	next unless /^$PATH_SEP/o;	2232	? normalise $_
1766		2233	: ()
1767	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2235	]
1769
1770	\@paths
1771	}	2236	}
1772		2237
1773	package cf;	2238	package cf;
1774		2239
1775	=back	2240	=back
…		…
1793	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1794	}	2259	}
1795		2260
1796	sub inv_recursive {	2261	sub inv_recursive {
1797	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	}
1798	}	2294	}
1799		2295
1800	package cf;	2296	package cf;
1801		2297
1802	=back	2298	=back
…		…
1821		2317
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2319
1824	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1826	} 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 {
1827	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1829	}	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 (@_);
1830	}	2345	}
1831		2346
1832	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1833		2348
1834	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1882		2397
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2399
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1887		2402
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2404	}
1890		2405
1891	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1893		2410
1894	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1895		2412
1896	unless ($map) {	2413	unless ($map) {
1897	# restore original map position	2414	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1914		2431
1915	$map->load;	2432	$map->load;
1916	$map->load_diag;	2433	$map->load_neighbours;
1917		2434
1918	return unless $self->contr->active;	2435	return unless $self->contr->active;
1919	$self->activate_recursive;	2436	$self->activate_recursive;
1920		2437
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1923	}	2440	}
1924		2441
1925	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2443
1929	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1933	};	2448	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2449
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1960		2453
1961	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1962	my ($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;
1963		2459
1964	$self->enter_link;	2460	$self->enter_link;
1965		2461
1966	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($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 = $obs[rand @obs];
		2471	}
		2472	# else put him there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	}
		2476	}
		2477
1967	my $map = eval {	2478	my $map = eval {
1968	my $map = cf::map::find $path;	2479	my $map = cf::map::find $path;
		2480
		2481	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2482	$map = $map->customise_for ($self);
		2483	$map = $check->($map) if $check && $map;
		2484	} else {
		2485	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2486	}
		2487
1970	$map	2488	$map
		2489	};
		2490
		2491	if ($@) {
		2492	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2493	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2494	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2495
		2496	if ($gen == $self->{_goto_generation}) {
		2497	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2498	$self->leave_link ($map, $x, $y);
		2499	}
		2500
		2501	$done->() if $done;
1975	})->prio (1);	2502	})->prio (1);
1976	}	2503	}
1977		2504
1978	=item $player_object->enter_exit ($exit_object)	2505	=item $player_object->enter_exit ($exit_object)
1979		2506
…		…
2048	my $hp = $exit->stats->hp;	2575	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2576	my $sp = $exit->stats->sp;
2050		2577
2051	$self->enter_link;	2578	$self->enter_link;
2052		2579
		2580	# if exit is damned, update players death & WoR home-position
		2581	$self->contr->savebed ($slaying, $hp, $sp)
		2582	if $exit->flag (FLAG_DAMNED);
		2583
2053	(async {	2584	(async {
2054	$self->deactivate_recursive; # just to be sure	2585	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2586	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2587	$self->goto ($slaying, $hp, $sp);
2057		2588
…		…
2084		2615
2085	utf8::encode $text;	2616	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2617	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2618	}
2088		2619
		2620	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2621
		2622	Send a drawinfo or msg packet to the client, formatting the msg for the
		2623	client if neccessary. C<$type> should be a string identifying the type of
		2624	the message, with C<log> being the default. If C<$color> is negative, suppress
		2625	the message unless the client supports the msg packet.
		2626
		2627	=cut
		2628
		2629	our %CHANNEL = (
		2630	"c/identify" => {
		2631	id => "identify",
		2632	title => "Identify",
		2633	reply => undef,
		2634	tooltip => "Items recently identified",
		2635	},
		2636	"c/examine" => {
		2637	id => "examine",
		2638	title => "Examine",
		2639	reply => undef,
		2640	tooltip => "Signs and other items you examined",
		2641	},
		2642	);
		2643
		2644	sub cf::client::send_msg {
		2645	my ($self, $channel, $msg, $color, @extra) = @_;
		2646
		2647	$msg = $self->pl->expand_cfpod ($msg);
		2648
		2649	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2650
		2651	# check predefined channels, for the benefit of C
		2652	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2653
		2654	if (ref $channel) {
		2655	# send meta info to client, if not yet sent
		2656	unless (exists $self->{channel}{$channel->{id}}) {
		2657	$self->{channel}{$channel->{id}} = $channel;
		2658	$self->ext_msg (channel_info => $channel)
		2659	if $self->can_msg;
		2660	}
		2661
		2662	$channel = $channel->{id};
		2663	}
		2664
		2665	return unless @extra || length $msg;
		2666
		2667	if ($self->can_msg) {
		2668	# default colour, mask it out
		2669	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2670	if $color & cf::NDI_DEF;
		2671
		2672	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2673	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2674	} else {
		2675	if ($color >= 0) {
		2676	# replace some tags by gcfclient-compatible ones
		2677	for ($msg) {
		2678	1 while
		2679	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2680	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2681	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2682	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2683	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2684	}
		2685
		2686	$color &= cf::NDI_COLOR_MASK;
		2687
		2688	utf8::encode $msg;
		2689
		2690	if (0 && $msg =~ /\[/) {
		2691	# COMMAND/INFO
		2692	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2693	} else {
		2694	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2695	$self->send_packet ("drawinfo $color $msg")
		2696	}
		2697	}
		2698	}
		2699	}
		2700
2089	=item $client->ext_event ($type, %msg)	2701	=item $client->ext_msg ($type, @msg)
2090		2702
2091	Sends an exti event to the client.	2703	Sends an ext event to the client.
2092		2704
2093	=cut	2705	=cut
2094		2706
2095	sub cf::client::ext_event($$%) {	2707	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2708	my ($self, $type, @msg) = @_;
2097		2709
		2710	if ($self->extcmd == 2) {
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2712	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2713	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2714	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2715	}
		2716	}
		2717
		2718	=item $client->ext_reply ($msgid, @msg)
		2719
		2720	Sends an ext reply to the client.
		2721
		2722	=cut
		2723
		2724	sub cf::client::ext_reply($$@) {
		2725	my ($self, $id, @msg) = @_;
		2726
		2727	if ($self->extcmd == 2) {
		2728	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2729	} elsif ($self->extcmd == 1) {
		2730	#TODO: version 1, remove
		2731	unshift @msg, msgtype => "reply", msgid => $id;
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
2100	}	2734	}
2101		2735
2102	=item $success = $client->query ($flags, "text", \&cb)	2736	=item $success = $client->query ($flags, "text", \&cb)
2103		2737
2104	Queues a query to the client, calling the given callback with	2738	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2739	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2740	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2741
2108	Queries can fail, so check the return code. Or don't, as queries will become	2742	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2743	become reliable at some point in the future.
2110		2744
2111	=cut	2745	=cut
2112		2746
2113	sub cf::client::query {	2747	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2748	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2756	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2757	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2758
2125	$self->send_packet ($self->{query_queue}[0][0])	2759	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2760	if @{ $self->{query_queue} } == 1;
		2761
		2762	1
2127	}	2763	}
2128		2764
2129	cf::client->attach (	2765	cf::client->attach (
		2766	on_connect => sub {
		2767	my ($ns) = @_;
		2768
		2769	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2770	},
2130	on_reply => sub {	2771	on_reply => sub {
2131	my ($ns, $msg) = @_;	2772	my ($ns, $msg) = @_;
2132		2773
2133	# this weird shuffling is so that direct followup queries	2774	# this weird shuffling is so that direct followup queries
2134	# get handled first	2775	# get handled first
…		…
2146	} else {	2787	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2788	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2789	}
2149	}	2790	}
2150	},	2791	},
		2792	on_exticmd => sub {
		2793	my ($ns, $buf) = @_;
		2794
		2795	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2796
		2797	if (ref $msg) {
		2798	my ($type, $reply, @payload) =
		2799	"ARRAY" eq ref $msg
		2800	? @$msg
		2801	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2802
		2803	my @reply;
		2804
		2805	if (my $cb = $EXTICMD{$type}) {
		2806	@reply = $cb->($ns, @payload);
		2807	}
		2808
		2809	$ns->ext_reply ($reply, @reply)
		2810	if $reply;
		2811
		2812	} else {
		2813	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2814	}
		2815
		2816	cf::override;
		2817	},
2151	);	2818	);
2152		2819
2153	=item $client->async (\&cb)	2820	=item $client->async (\&cb)
2154		2821
2155	Create a new coroutine, running the specified callback. The coroutine will	2822	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	2863	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	2864	our $safe_hole = new Safe::Hole;
2198		2865
2199	$SIG{FPE} = 'IGNORE';	2866	$SIG{FPE} = 'IGNORE';
2200		2867
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2868	$safe->permit_only (Opcode::opset qw(
		2869	:base_core :base_mem :base_orig :base_math
		2870	grepstart grepwhile mapstart mapwhile
		2871	sort time
		2872	));
2202		2873
2203	# here we export the classes and methods available to script code	2874	# here we export the classes and methods available to script code
2204		2875
2205	=pod	2876	=pod
2206		2877
2207	The following functions and methods are available within a safe environment:	2878	The following functions and methods are available within a safe environment:
2208		2879
2209	cf::object contr pay_amount pay_player map	2880	cf::object
		2881	contr pay_amount pay_player map x y force_find force_add
		2882	insert remove name archname title slaying race decrease_ob_nr
		2883
2210	cf::object::player player	2884	cf::object::player
2211	cf::player peaceful	2885	player
2212	cf::map trigger	2886
		2887	cf::player
		2888	peaceful
		2889
		2890	cf::map
		2891	trigger
2213		2892
2214	=cut	2893	=cut
2215		2894
2216	for (	2895	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	2896	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2897	insert remove inv name archname title slaying race
		2898	decrease_ob_nr)],
2218	["cf::object::player" => qw(player)],	2899	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2900	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2901	["cf::map" => qw(trigger)],
2221	) {	2902	) {
2222	no strict 'refs';	2903	no strict 'refs';
…		…
2293	=back	2974	=back
2294		2975
2295	=cut	2976	=cut
2296		2977
2297	#############################################################################	2978	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2979	# the server's init and main functions
2473		2980
2474	sub load_facedata($) {	2981	sub load_facedata($) {
2475	my ($path) = @_;	2982	my ($path) = @_;
		2983
		2984	# HACK to clear player env face cache, we need some signal framework
		2985	# for this (global event?)
		2986	%ext::player_env::MUSIC_FACE_CACHE = ();
		2987
		2988	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		2989
2477	warn "loading facedata from $path\n";	2990	warn "loading facedata from $path\n";
2478		2991
2479	my $facedata;	2992	my $facedata;
2480	0 < aio_load $path, $facedata	2993	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	2996	$facedata = Coro::Storable::thaw $facedata;
2484		2997
2485	$facedata->{version} == 2	2998	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	2999	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3000
		3001	# patch in the exptable
		3002	$facedata->{resource}{"res/exp_table"} = {
		3003	type => FT_RSRC,
		3004	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3005	};
		3006	cf::cede_to_tick;
		3007
2488	{	3008	{
2489	my $faces = $facedata->{faceinfo};	3009	my $faces = $facedata->{faceinfo};
2490		3010
2491	while (my ($face, $info) = each %$faces) {	3011	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3012	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3013	cf::face::set_visibility $idx, $info->{visibility};
		3014	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3015	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3016	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3017
		3018	cf::cede_to_tick;
2497	}	3019	}
2498		3020
2499	while (my ($face, $info) = each %$faces) {	3021	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3022	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	3023	my $idx = cf::face::find $face
2502	or next;	3024	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3025	if (my $smooth = cf::face::find $info->{smooth}) {
		3026	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3027	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3028	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3029	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3030	}
2508	Coro::cede;	3031
		3032	cf::cede_to_tick;
2509	}	3033	}
2510	}	3034	}
2511		3035
2512	{	3036	{
2513	my $anims = $facedata->{animinfo};	3037	my $anims = $facedata->{animinfo};
2514		3038
2515	while (my ($anim, $info) = each %$anims) {	3039	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3040	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3041	cf::cede_to_tick;
2518	}	3042	}
2519		3043
2520	cf::anim::invalidate_all; # d'oh	3044	cf::anim::invalidate_all; # d'oh
2521	}	3045	}
2522		3046
		3047	{
		3048	# TODO: for gcfclient pleasure, we should give resources
		3049	# that gcfclient doesn't grok a >10000 face index.
		3050	my $res = $facedata->{resource};
		3051
		3052	my $soundconf = delete $res->{"res/sound.conf"};
		3053
		3054	while (my ($name, $info) = each %$res) {
		3055	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3056	my $data;
		3057
		3058	if ($info->{type} & 1) {
		3059	# prepend meta info
		3060
		3061	my $meta = $enc->encode ({
		3062	name => $name,
		3063	%{ $info->{meta} || {} },
		3064	});
		3065
		3066	$data = pack "(w/a*)*", $meta, $info->{data};
		3067	} else {
		3068	$data = $info->{data};
		3069	}
		3070
		3071	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3072	cf::face::set_type $idx, $info->{type};
		3073
		3074	cf::cede_to_tick;
		3075	}
		3076
		3077	if ($soundconf) {
		3078	$soundconf = $enc->decode (delete $soundconf->{data});
		3079
		3080	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3081	my $sound = $soundconf->{compat}[$_]
		3082	or next;
		3083
		3084	my $face = cf::face::find "sound/$sound->[1]";
		3085	cf::sound::set $sound->[0] => $face;
		3086	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3087	}
		3088
		3089	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3090	my $face = cf::face::find "sound/$v";
		3091	cf::sound::set $k => $face;
		3092	}
		3093	}
		3094	}
		3095
2523	1	3096	1
2524	}	3097	}
2525		3098
		3099	register_exticmd fx_want => sub {
		3100	my ($ns, $want) = @_;
		3101
		3102	while (my ($k, $v) = each %$want) {
		3103	$ns->fx_want ($k, $v);
		3104	}
		3105	};
		3106
2526	sub reload_regions {	3107	sub reload_regions {
		3108	# HACK to clear player env face cache, we need some signal framework
		3109	# for this (global event?)
		3110	%ext::player_env::MUSIC_FACE_CACHE = ();
		3111
2527	load_resource_file "$MAPDIR/regions"	3112	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3113	or die "unable to load regions file\n";
		3114
		3115	for (cf::region::list) {
		3116	$_->{match} = qr/$_->{match}/
		3117	if exists $_->{match};
		3118	}
2529	}	3119	}
2530		3120
2531	sub reload_facedata {	3121	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3122	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3123	or die "unable to load facedata\n";
2534	}	3124	}
2535		3125
2536	sub reload_archetypes {	3126	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	3127	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	3128	or die "unable to load archetypes\n";
		3129	#d# NEED to laod twice to resolve forward references
		3130	# this really needs to be done in an extra post-pass
		3131	# (which needs to be synchronous, so solve it differently)
		3132	load_resource_file "$DATADIR/archetypes"
		3133	or die "unable to load archetypes\n";
2539	}	3134	}
2540		3135
2541	sub reload_treasures {	3136	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3137	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3138	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	3141	sub reload_resources {
2547	warn "reloading resource files...\n";	3142	warn "reloading resource files...\n";
2548		3143
2549	reload_regions;	3144	reload_regions;
2550	reload_facedata;	3145	reload_facedata;
		3146	#reload_archetypes;#d#
2551	reload_archetypes;	3147	reload_archetypes;
2552	reload_treasures;	3148	reload_treasures;
2553		3149
2554	warn "finished reloading resource files\n";	3150	warn "finished reloading resource files\n";
2555	}	3151	}
2556		3152
2557	sub init {	3153	sub init {
2558	reload_resources;	3154	reload_resources;
2559	}	3155	}
2560		3156
2561	sub cfg_load {	3157	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3158	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3159	or return;
2564		3160
2565	local $/;	3161	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3162	*CFG = YAML::Syck::Load <$fh>;
…		…
2586	(async {	3182	(async {
2587	Event::one_event;	3183	Event::one_event;
2588	})->prio (Coro::PRIO_MAX);	3184	})->prio (Coro::PRIO_MAX);
2589	};	3185	};
2590		3186
2591	cfg_load;	3187	reload_config;
2592	db_init;	3188	db_init;
2593	load_extensions;	3189	load_extensions;
2594		3190
2595	$TICK_WATCHER->start;	3191	$TICK_WATCHER->start;
2596	Event::loop;	3192	Event::loop;
…		…
2612	},	3208	},
2613	);	3209	);
2614	}	3210	}
2615	}	3211	}
2616		3212
		3213	sub write_runtime {
		3214	my $runtime = "$LOCALDIR/runtime";
		3215
		3216	# first touch the runtime file to show we are still running:
		3217	# the fsync below can take a very very long time.
		3218
		3219	IO::AIO::aio_utime $runtime, undef, undef;
		3220
		3221	my $guard = cf::lock_acquire "write_runtime";
		3222
		3223	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3224	or return;
		3225
		3226	my $value = $cf::RUNTIME + 90 + 10;
		3227	# 10 is the runtime save interval, for a monotonic clock
		3228	# 60 allows for the watchdog to kill the server.
		3229
		3230	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3231	and return;
		3232
		3233	# always fsync - this file is important
		3234	aio_fsync $fh
		3235	and return;
		3236
		3237	# touch it again to show we are up-to-date
		3238	aio_utime $fh, undef, undef;
		3239
		3240	close $fh
		3241	or return;
		3242
		3243	aio_rename "$runtime~", $runtime
		3244	and return;
		3245
		3246	warn "runtime file written.\n";
		3247
		3248	1
		3249	}
		3250
2617	sub emergency_save() {	3251	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3252	my $freeze_guard = cf::freeze_mainloop;
2619		3253
2620	warn "enter emergency perl save\n";	3254	warn "enter emergency perl save\n";
2621		3255
…		…
2696	%EXT_CORO = ();	3330	%EXT_CORO = ();
2697		3331
2698	warn "removing commands";	3332	warn "removing commands";
2699	%COMMAND = ();	3333	%COMMAND = ();
2700		3334
2701	warn "removing ext commands";	3335	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3336	%EXTCMD = ();
		3337	%EXTICMD = ();
2703		3338
2704	warn "unloading/nuking all extensions";	3339	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3340	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3341	warn "... unloading $pkg";
2707		3342
…		…
2750	warn "reloading cf.pm";	3385	warn "reloading cf.pm";
2751	require cf;	3386	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3388
2754	warn "loading config and database again";	3389	warn "loading config and database again";
2755	cf::cfg_load;	3390	cf::reload_config;
2756		3391
2757	warn "loading extensions";	3392	warn "loading extensions";
2758	cf::load_extensions;	3393	cf::load_extensions;
2759		3394
2760	warn "reattaching attachments to objects/players";	3395	warn "reattaching attachments to objects/players";
…		…
2824		3459
2825	my $signal = new Coro::Signal;	3460	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3461	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3462	$signal->wait;
2828	}	3463	}
		3464
		3465	our $stat_fh;
		3466	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2829		3467
2830	$TICK_WATCHER = Event->timer (	3468	$TICK_WATCHER = Event->timer (
2831	reentrant => 0,	3469	reentrant => 0,
2832	parked => 1,	3470	parked => 1,
2833	prio => 0,	3471	prio => 0,
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3476	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3477	unless ++$bug_warning > 10;
2840	return;	3478	return;
2841	}	3479	}
2842		3480
		3481	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3482
2843	$NOW = Event::time;	3483	$NOW = $tick_start = Event::time;
2844		3484
2845	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
2846		3486
2847	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
…		…
2856	}	3496	}
2857		3497
2858	# my $AFTER = Event::time;	3498	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#	3499	# warn $AFTER - $NOW;#d#
2860		3500
		3501	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3502	$sig->send;
		3503	}
		3504	while (my $sig = shift @WAIT_FOR_TICK) {
		3505	$sig->send;
		3506	}
		3507
		3508	$NOW = Event::time;
		3509
2861	# if we are delayed by four ticks or more, skip them all	3510	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3511	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3512
2864	$TICK_WATCHER->at ($NEXT_TICK);	3513	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3514	$TICK_WATCHER->start;
2866		3515
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3516	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3517	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3518
2874	_post_tick;	3519	_post_tick;
		3520
		3521	# gather some statistics#d#
		3522	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3523	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2875	},	3524	},
2876	);	3525	);
2877		3526
2878	{	3527	{
		3528	BDB::min_parallel 8;
2879	BDB::max_poll_time $TICK * 0.1;	3529	BDB::max_poll_time $TICK * 0.1;
2880	$BDB_POLL_WATCHER = Event->io (	3530	$BDB_POLL_WATCHER = Event->io (
2881	reentrant => 0,	3531	reentrant => 0,
2882	fd => BDB::poll_fileno,	3532	fd => BDB::poll_fileno,
2883	poll => 'r',	3533	poll => 'r',
2884	prio => 0,	3534	prio => 0,
2885	data => WF_AUTOCANCEL,	3535	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,	3536	cb => \&BDB::poll_cb,
2887	);	3537	);
2888	BDB::min_parallel 8;
2889		3538
2890	BDB::set_sync_prepare {	3539	BDB::set_sync_prepare {
2891	my $status;	3540	my $status;
2892	my $current = $Coro::current;	3541	my $current = $Coro::current;
2893	(	3542	(
…		…
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3563	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3564	0666;
2916		3565
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3566	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918		3567
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
2920	$DB_ENV->set_lk_detect;	3570	$DB_ENV->set_lk_detect;
2921	};	3571	};
2922		3572
2923	cf::cleanup "db_env_open(db): $@" if $@;	3573	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3574	};
2925	}	3575	}
		3576
		3577	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3578	after => 11,
		3579	interval => 60,
		3580	hard => 1,
		3581	prio => 0,
		3582	data => WF_AUTOCANCEL,
		3583	cb => sub {
		3584	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3585	},
		3586	);
		3587	$BDB_TRICKLE_WATCHER = Event->timer (
		3588	after => 5,
		3589	interval => 10,
		3590	hard => 1,
		3591	prio => 0,
		3592	data => WF_AUTOCANCEL,
		3593	cb => sub {
		3594	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3595	},
		3596	);
2926	}	3597	}
2927		3598
2928	{	3599	{
2929	IO::AIO::min_parallel 8;	3600	IO::AIO::min_parallel 8;
2930		3601

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