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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.378 by root, Thu Oct 4 11:36:54 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		206
194	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	208	# within the Safe compartment.
196	for my $pkg (qw(	209	for my $pkg (qw(
197	cf::global cf::attachable	210	cf::global cf::attachable
…		…
205	}	218	}
206		219
207	$Event::DIED = sub {	220	$Event::DIED = sub {
208	warn "error in event callback: @_";	221	warn "error in event callback: @_";
209	};	222	};
		223
		224	#############################################################################
210		225
211	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
212		227
213	=over 4	228	=over 4
214		229
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	249	$d
235	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
236	}	251	}
237		252
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
241		254
242	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
243		256
244	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
245		258
246	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
247		267
248	=item cf::lock_wait $string	268	=item cf::lock_wait $string
249		269
250	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
251		271
…		…
254	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
257	returned.	277	returned.
258		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
259	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
261		284
262	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
263		286
264	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
265		288
266	=cut	289	=cut
267		290
268	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
269		293
270	sub lock_wait($) {	294	sub lock_wait($) {
271	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
272		301
273	# wait for lock, if any	302	# wait for lock, if any
274	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	305	Coro::schedule;
…		…
282		311
283	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
284	lock_wait $key;	313	lock_wait $key;
285		314
286	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
287		317
288	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
291	}	322	}
292	}	323	}
293		324
…		…
305	};	336	};
306	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
307	$guard	338	$guard
308	}	339	}
309		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
310	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
311		400
312	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
317		406
318	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
319		408
320	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
321		410
322	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
325		415
326	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
329	fast or be very important.	419	fast or be very important.
…		…
345		435
346	my $busy = 1;	436	my $busy = 1;
347	my @res;	437	my @res;
348		438
349	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	441	@res = eval { $job->() };
351	warn $@ if $@;	442	warn $@ if $@;
352	undef $busy;	443	undef $busy;
353	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
354		445
…		…
389	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
390		481
391	$coro	482	$coro
392	}	483	}
393		484
394	sub write_runtime {	485	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		486
397	# first touch the runtime file to show we are still running:	487	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
399		491
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	492	=cut
401	utime undef, undef, $fh;	493
		494	sub fork_call(&@) {
		495	my ($cb, @args) = @_;
		496
		497	# we seemingly have to make a local copy of the whole thing,
		498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
		500
		501	my @res = Coro::Util::fork_eval {
		502	reset_signals;
		503	&$cb
		504	}, @args;
		505
		506	wantarray ? @res : $res[-1]
		507	}
		508
		509	=item $value = cf::db_get $family => $key
		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
402	}	536	};
		537	cf::cleanup "db_open(db): $@" if $@;
403		538
404	my $guard = cf::lock_acquire "write_runtime";	539	$db
		540	}
405		541
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	our $DB;
407	or return;
408		543
409	my $value = $cf::RUNTIME + 90 + 10;	544	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	545	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	546	$DB ||= db_table "db";
		547	};
		548	}
412		549
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	sub db_get($$) {
414	and return;	551	my $key = "$_[0]/$_[1]";
415		552
416	# always fsync - this file is important	553	cf::sync_job {
417	aio_fsync $fh	554	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		555
420	# touch it again to show we are up-to-date	556	$! ? ()
421	utime undef, undef, $fh;	557	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
432	}	634	}
433		635
434	=item cf::datalog type => key => value, ...	636	=item cf::datalog type => key => value, ...
435		637
436	Log a datalog packet of the given type with the given key-value pairs.	638	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
456		658
457	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	661	Crossfire TRT).
460		662
461	=over 4	663	=over 4
462		664
463	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
464		666
…		…
666	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
667	}	869	}
668		870
669	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
670	} else {	872	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	874	}
673		875
674	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
675	}	877	}
676		878
…		…
716	";	918	";
717	die if $@;	919	die if $@;
718	}	920	}
719		921
720	our $override;	922	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		924
723	sub override {	925	sub override {
724	$override = 1;	926	$override = 1;
725	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
726	}	928	}
727		929
728	sub do_invoke {	930	sub do_invoke {
729	my $event = shift;	931	my $event = shift;
730	my $callbacks = shift;	932	my $callbacks = shift;
731		933
732	@invoke_results = ();	934	@INVOKE_RESULTS = ();
733		935
734	local $override;	936	local $override;
735		937
736	for (@$callbacks) {	938	for (@$callbacks) {
737	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
754		956
755	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
756		958
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		962
761	=back	963	=back
762		964
763	=cut	965	=cut
764		966
765	#############################################################################	967	#############################################################################
766	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
767		980
768	sub reattach {	981	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	983	my ($obj) = @_;
771		984
…		…
818	sub object_freezer_save {	1031	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
820		1033
821	sync_job {	1034	sync_job {
822	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
825		1039
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
848	}	1062	}
849	} else {	1063	} else {
850	aio_unlink $filename;	1064	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
852	}	1066	}
853	}	1067	};
854	}	1068	}
855		1069
856	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
858		1072
…		…
870	or return;	1084	or return;
871		1085
872	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
874	or return;	1088	or return;
		1089
875	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
876	}	1091	}
877		1092
		1093	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
880	return ($data, $av);	1097	($data, $av)
881	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
882		1105
883	#############################################################################	1106	#############################################################################
884	# command handling &c	1107	# command handling &c
885		1108
886	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1123	}
901		1124
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1126
904	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
905		1132
906	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
907	called.	1134	called.
908		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
909	=cut	1147	=cut
910		1148
911	sub register_extcmd {	1149	sub register_extcmd {
912	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
913		1151
914	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
915	}	1159	}
916		1160
917	cf::player->attach (	1161	cf::player->attach (
918	on_command => sub {	1162	on_command => sub {
919	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1172	cf::override;
929	},	1173	},
930	on_extcmd => sub {	1174	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
932		1176
933	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1178
935	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
941	} else {	1194	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1196	}
944		1197
945	cf::override;	1198	cf::override;
946	},	1199	},
947	);	1200	);
948		1201
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
984	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1207	next unless -r $path;
986	eval {	1208
987	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
988	1	1266	}
989	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
990	}	1272	};
991	}	1273	}
992		1274
993	#############################################################################	1275	#############################################################################
994		1276
		1277	=back
		1278
995	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
996		1280
997	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
998		1282
999	=cut	1283	=cut
…		…
1003	use Coro::AIO;	1287	use Coro::AIO;
1004		1288
1005	=head3 cf::player	1289	=head3 cf::player
1006		1290
1007	=over 4	1291	=over 4
		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
1008		1306
1009	=item cf::player::find $login	1307	=item cf::player::find $login
1010		1308
1011	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
1012		1310
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1349	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1350
1053	my $pl = load_pl path $login	1351	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
1056	}	1359	}
1057	}	1360	}
1058	}	1361	}
1059		1362
…		…
1069		1372
1070	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1072		1375
1073	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1074	Coro::cede;	1377	cf::cede_to_tick;
1075	}	1378	}
1076		1379
1077	sub new($) {	1380	sub new($) {
1078	my ($login) = @_;	1381	my ($login) = @_;
1079		1382
…		…
1083	$self->{deny_save} = 1;	1386	$self->{deny_save} = 1;
1084		1387
1085	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1086		1389
1087	$self	1390	$self
		1391	}
		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
1088	}	1401	}
1089		1402
1090	=item $pl->quit_character	1403	=item $pl->quit_character
1091		1404
1092	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1460	or return [];
1148		1461
1149	my @logins;	1462	my @logins;
1150		1463
1151	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1155		1473
1156	utf8::decode $login;	1474	utf8::decode $login;
1157	push @logins, $login;	1475	push @logins, $login;
1158	}	1476	}
1159		1477
…		…
1186	}	1504	}
1187		1505
1188	\@paths	1506	\@paths
1189	}	1507	}
1190		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1191	=item $player->ext_reply ($msgid, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1192		1561
1193	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1194		1563
1195	=cut	1564	=cut
1196		1565
1197	sub ext_reply($$%) {	1566	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1199		1568
1200	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1570	}
1204		1571
1205	=item $player->ext_event ($type, %msg)	1572	=item $player->ext_msg ($type, @msg)
1206		1573
1207	Sends an ext event to the client.	1574	Sends an ext event to the client.
1208		1575
1209	=cut	1576	=cut
1210		1577
1211	sub ext_event($$%) {	1578	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1579	my ($self, $type, @msg) = @_;
1213		1580
1214	$self->ns->ext_event ($type, %msg);	1581	$self->ns->ext_msg ($type, @msg);
1215	}	1582	}
1216		1583
1217	=head3 cf::region	1584	=head3 cf::region
1218		1585
1219	=over 4	1586	=over 4
…		…
1222		1589
1223	package cf::region;	1590	package cf::region;
1224		1591
1225	=item cf::region::find_by_path $path	1592	=item cf::region::find_by_path $path
1226		1593
1227	Tries to decuce the probable region for a map knowing only its path.	1594	Tries to decuce the likely region for a map knowing only its path.
1228		1595
1229	=cut	1596	=cut
1230		1597
1231	sub find_by_path($) {	1598	sub find_by_path($) {
1232	my ($path) = @_;	1599	my ($path) = @_;
1233		1600
1234	my ($match, $specificity);	1601	my ($match, $specificity);
1235		1602
1236	for my $region (list) {	1603	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1604	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1605	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1606	if $region->specificity > $specificity;
1240	}	1607	}
1241	}	1608	}
1242		1609
…		…
1306	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1307		1674
1308	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1309	local $self->{path};	1676	local $self->{path};
1310	local $self->{load_path};	1677	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1678
1314	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1315	}	1680	}
1316		1681
1317	sub normalise {	1682	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1365	return $self;	1730	return $self;
1366	}	1731	}
1367	}	1732	}
1368		1733
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1735	()
1371	}	1736	}
1372		1737
1373	sub init {	1738	sub init {
1374	my ($self) = @_;	1739	my ($self) = @_;
…		…
1417		1782
1418	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1420	}	1785	}
1421		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1422	sub unlink_save {	1795	sub unlink_save {
1423	my ($self) = @_;	1796	my ($self) = @_;
1424		1797
1425	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1802
1430	sub load_header_from($) {	1803	sub load_header_from($) {
1431	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1432		1805
1433	utf8::encode $path;	1806	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1439		1815
1440	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1441		1817
1442	1	1818	1
1443	}	1819	}
…		…
1482	$self->load_header_orig	1858	$self->load_header_orig
1483	or return;	1859	or return;
1484	$self->prepare_orig;	1860	$self->prepare_orig;
1485	}	1861	}
1486		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
1487	$self->default_region (cf::region::find_by_path $self->{path})	1866	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1867	unless $self->default_region;
1489		1868
1490	1	1869	1
1491	}	1870	}
…		…
1494	sub find {	1873	sub find {
1495	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1496		1875
1497	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1498		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1500		1880
1501	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1503	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1504	or return;	1886	or return;
1505		1887
1506	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1507		1889
1508	$map->load_header	1890	$map->load_header
1509	or return;	1891	or return;
1510		1892
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1514	$map->reset;	1898	$map->reset;
1515	undef $guard;
1516	return find $path;	1899	return find $path;
1517	}	1900	}
1518		1901
1519	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1520	}	1903	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1530		1913
1531	my $path = $self->{path};	1914	my $path = $self->{path};
1532		1915
1533	{	1916	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1535		1918
		1919	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1921
1538	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1539		1923
1540	$self->alloc;	1924	$self->alloc;
1541		1925
1542	$self->pre_load;	1926	$self->pre_load;
1543	Coro::cede;	1927	cf::cede_to_tick;
1544		1928
		1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	1931	$self->_load_objects ($f)
1546	or return;	1932	or return;
1547		1933
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	1935	if delete $self->{load_original};
1550		1936
1551	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	1938	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	1941	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1556	}	1945	}
1557	}	1946	}
1558		1947
1559	Coro::cede;	1948	$f->resolve_delayed_derefs;
		1949
		1950	cf::cede_to_tick;
1560	# now do the right thing for maps	1951	# now do the right thing for maps
1561	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1954	unless $self->difficulty;
1564	Coro::cede;	1955	cf::cede_to_tick;
1565		1956
1566	unless ($self->{deny_activate}) {	1957	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1958	$self->decay_objects;
1568	$self->fix_auto_apply;	1959	$self->fix_auto_apply;
1569	$self->update_buttons;	1960	$self->update_buttons;
1570	Coro::cede;	1961	cf::cede_to_tick;
1571	$self->set_darkness_map;	1962	$self->set_darkness_map;
1572	Coro::cede;	1963	cf::cede_to_tick;
1573	$self->activate;	1964	$self->activate;
1574	}	1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
1575		1969
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1970	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1971	}
1578		1972
1579	$self->post_load;	1973	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1584		1978
1585	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1980	if $self->per_player;
1587		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1588	$self	1985	$self
1589	}	1986	}
1590		1987
1591	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1989	sub load_neighbours {
1593	my ($map) = @_;	1990	my ($map) = @_;
1594		1991
1595	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1596		1993
1597	for (0 .. 3) {	1994	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1599	or next;	1996	or next;
1600	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1601	or next;	1998	or next;
1602	$neigh->load;	1999	$neigh->load;
1603		2000
		2001	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2004	}
1607		2005
1608	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1610	or next;	2009	or next;
1611	$neigh->load;	2010	$neigh->load;
1612	}	2011	}
1613	}	2012	}
1614		2013
…		…
1619	}	2018	}
1620		2019
1621	sub do_load_sync {	2020	sub do_load_sync {
1622	my ($map) = @_;	2021	my ($map) = @_;
1623		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1624	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1625	}	2027	}
1626		2028
1627	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1629		2031
1630	sub find_async {	2032	sub find_async {
1631	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1632		2034
1633	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1634		2036
1635	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2039	}
1638		2040
1639	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1640	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1641	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2048	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2049	$map->load if $v;
		2050	}
1646		2051
1647	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1648	}	2053	}
1649	}	2054	}
1650	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1651	};	2056	};
1652	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2060	}
1656		2061
1657	sub save {	2062	sub save {
1658	my ($self) = @_;	2063	my ($self) = @_;
1659		2064
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2066
1662	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1663		2068
1664	return unless $self->dirty;	2069	return unless $self->dirty;
1665		2070
…		…
1671	return if $self->{deny_save};	2076	return if $self->{deny_save};
1672		2077
1673	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1674		2079
1675	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1677	};	2083	};
1678		2084
1679	if ($uniq) {	2085	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2094	my ($self) = @_;
1689		2095
1690	# save first because save cedes	2096	# save first because save cedes
1691	$self->save;	2097	$self->save;
1692		2098
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2100
1695	return if $self->players;	2101	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2103	return if $self->{deny_save};
1698		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2109	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2110	}
1702		2111
1703	sub reset_at {	2112	sub reset_at {
1704	my ($self) = @_;	2113	my ($self) = @_;
1705		2114
1706	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1709		2117
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2120
…		…
1723	my ($self) = @_;	2131	my ($self) = @_;
1724		2132
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2134
1727	return if $self->players;	2135	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2136
1730	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
1731		2138
1732	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->in_memory (cf::MAP_SWAPPED);
1733		2140
1734	# need to save uniques path	2141	# need to save uniques path
1735	unless ($self->{deny_save}) {	2142	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2146	if $uniq;
1740	}	2147	}
1741		2148
1742	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1743		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2153	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2154
1748	$self->unlink_save;	2155	$self->unlink_save;
1749	$self->destroy;	2156	$self->destroy;
1750	}	2157	}
1751		2158
1752	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1753		2160
1754	sub nuke {	2161	sub nuke {
1755	my ($self) = @_;	2162	my ($self) = @_;
1756		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1757	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1758		2168
1759	$self->unlink_save;	2169	$self->unlink_save;
1760		2170
1761	bless $self, "cf::map";	2171	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2176
1767	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1768		2179
1769	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1770	}	2217	}
1771		2218
1772	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1773		2220
1774	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2222	instantiated unique items. May block.
1776		2223
1777	=cut	2224	=cut
1778		2225
1779	sub unique_maps() {	2226	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2227	[
1781	or return;	2228	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2229	utf8::decode $_;
1787	next if /\.pst$/;	2230	/\.map$/
1788	next unless /^$PATH_SEP/o;	2231	? normalise $_
1789		2232	: ()
1790	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2234	]
1792
1793	\@paths
1794	}	2235	}
1795		2236
1796	package cf;	2237	package cf;
1797		2238
1798	=back	2239	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1817	}	2258	}
1818		2259
1819	sub inv_recursive {	2260	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2279	my ($uuid, $name) = ($1, $2);
		2280	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2281	or return;
		2282	$pl->ob->uuid eq $uuid
		2283	or return;
		2284
		2285	$pl->ob
		2286	} else {
		2287	warn "$ref: cannot resolve object reference\n";
		2288	undef
		2289	}
1821	}	2290	}
1822		2291
1823	package cf;	2292	package cf;
1824		2293
1825	=back	2294	=back
…		…
1844		2313
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2314	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2315
1847	if ($self->{record_replies}) {	2316	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2317	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2318
1849	} else {	2319	} else {
		2320	my $pl = $self->contr;
		2321
		2322	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2323	my $dialog = $pl->{npc_dialog};
		2324	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2325
		2326	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2327	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2328	$self->message ($msg, $flags);
		2329	}
1852	}	2330	}
		2331	}
		2332
		2333	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2334
		2335	=cut
		2336
		2337	sub cf::object::send_msg {
		2338	my $pl = shift->contr
		2339	or return;
		2340	$pl->send_msg (@_);
1853	}	2341	}
1854		2342
1855	=item $player_object->may ("access")	2343	=item $player_object->may ("access")
1856		2344
1857	Returns wether the given player is authorized to access resource "access"	2345	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2392	$self->deactivate_recursive;
1905		2393
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2394	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2395
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2396	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2397	if $self->map && $self->map->{path} ne "{link}";
1910		2398
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2399	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2400	}
1913		2401
1914	sub cf::object::player::leave_link {	2402	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2403	my ($self, $map, $x, $y) = @_;
		2404
		2405	return unless $self->contr->active;
1916		2406
1917	my $link_pos = delete $self->{_link_pos};	2407	my $link_pos = delete $self->{_link_pos};
1918		2408
1919	unless ($map) {	2409	unless ($map) {
1920	# restore original map position	2410	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2424	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2425	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2426	if $x <=0 && $y <= 0;
1937		2427
1938	$map->load;	2428	$map->load;
1939	$map->load_diag;	2429	$map->load_neighbours;
1940		2430
1941	return unless $self->contr->active;	2431	return unless $self->contr->active;
1942	$self->activate_recursive;	2432	$self->activate_recursive;
1943		2433
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2434	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2435	$self->enter_map ($map, $x, $y);
1946	}	2436	}
1947		2437
1948	cf::player->attach (	2438	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2439
1952	# abort map switching before logout	2440	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2441	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2442	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2443	the new (success) or old (failed) map position. In either case, $done will
1956	};	2444	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2445
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2446	=cut
		2447
		2448	our $GOTOGEN;
1983		2449
1984	sub cf::object::player::goto {	2450	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2451	my ($self, $path, $x, $y, $check, $done) = @_;
		2452
		2453	# do generation counting so two concurrent goto's will be executed in-order
		2454	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2455
1987	$self->enter_link;	2456	$self->enter_link;
1988		2457
1989	(async {	2458	(async {
		2459	$Coro::current->{desc} = "player::goto $path $x $y";
		2460
		2461	# *tag paths override both path and x|y
		2462	if ($path =~ /^\*(.*)$/) {
		2463	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2464	my $ob = $obs[rand @obs];
		2465
		2466	# see if we actually can go there
		2467	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2468	$ob = $obs[rand @obs];
		2469	} else {
		2470	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472	# else put us there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	} else {
		2476	($path, $x, $y) = (undef, undef, undef);
		2477	}
		2478	}
		2479
1990	my $map = eval {	2480	my $map = eval {
1991	my $map = cf::map::find $path;	2481	my $map = defined $path ? cf::map::find $path : undef;
		2482
		2483	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2484	$map = $map->customise_for ($self);
		2485	$map = $check->($map) if $check && $map;
		2486	} else {
		2487	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2488	}
		2489
1993	$map	2490	$map
		2491	};
		2492
		2493	if ($@) {
		2494	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2495	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2496	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2497
		2498	if ($gen == $self->{_goto_generation}) {
		2499	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2500	$self->leave_link ($map, $x, $y);
		2501	}
		2502
		2503	$done->() if $done;
1998	})->prio (1);	2504	})->prio (1);
1999	}	2505	}
2000		2506
2001	=item $player_object->enter_exit ($exit_object)	2507	=item $player_object->enter_exit ($exit_object)
2002		2508
…		…
2071	my $hp = $exit->stats->hp;	2577	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2578	my $sp = $exit->stats->sp;
2073		2579
2074	$self->enter_link;	2580	$self->enter_link;
2075		2581
		2582	# if exit is damned, update players death & WoR home-position
		2583	$self->contr->savebed ($slaying, $hp, $sp)
		2584	if $exit->flag (FLAG_DAMNED);
		2585
2076	(async {	2586	(async {
		2587	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2588
2077	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2590	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
2080		2592
2081	1;	2593	1;
…		…
2107		2619
2108	utf8::encode $text;	2620	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2622	}
2111		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "infobox",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "infobox",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	"c/lookat" => {
		2647	id => "infobox",
		2648	title => "Look",
		2649	reply => undef,
		2650	tooltip => "What you saw there",
		2651	},
		2652	);
		2653
		2654	sub cf::client::send_msg {
		2655	my ($self, $channel, $msg, $color, @extra) = @_;
		2656
		2657	$msg = $self->pl->expand_cfpod ($msg);
		2658
		2659	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2660
		2661	# check predefined channels, for the benefit of C
		2662	if ($CHANNEL{$channel}) {
		2663	$channel = $CHANNEL{$channel};
		2664
		2665	$self->ext_msg (channel_info => $channel)
		2666	if $self->can_msg;
		2667
		2668	$channel = $channel->{id};
		2669
		2670	} elsif (ref $channel) {
		2671	# send meta info to client, if not yet sent
		2672	unless (exists $self->{channel}{$channel->{id}}) {
		2673	$self->{channel}{$channel->{id}} = $channel;
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676	}
		2677
		2678	$channel = $channel->{id};
		2679	}
		2680
		2681	return unless @extra || length $msg;
		2682
		2683	if ($self->can_msg) {
		2684	# default colour, mask it out
		2685	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2686	if $color & cf::NDI_DEF;
		2687
		2688	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2689	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2690	} else {
		2691	if ($color >= 0) {
		2692	# replace some tags by gcfclient-compatible ones
		2693	for ($msg) {
		2694	1 while
		2695	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2696	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2697	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2698	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2699	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2700	}
		2701
		2702	$color &= cf::NDI_COLOR_MASK;
		2703
		2704	utf8::encode $msg;
		2705
		2706	if (0 && $msg =~ /\[/) {
		2707	# COMMAND/INFO
		2708	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2709	} else {
		2710	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2711	$self->send_packet ("drawinfo $color $msg")
		2712	}
		2713	}
		2714	}
		2715	}
		2716
2112	=item $client->ext_event ($type, %msg)	2717	=item $client->ext_msg ($type, @msg)
2113		2718
2114	Sends an exti event to the client.	2719	Sends an ext event to the client.
2115		2720
2116	=cut	2721	=cut
2117		2722
2118	sub cf::client::ext_event($$%) {	2723	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2724	my ($self, $type, @msg) = @_;
2120		2725
		2726	if ($self->extcmd == 2) {
		2727	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2728	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2729	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2731	}
		2732	}
		2733
		2734	=item $client->ext_reply ($msgid, @msg)
		2735
		2736	Sends an ext reply to the client.
		2737
		2738	=cut
		2739
		2740	sub cf::client::ext_reply($$@) {
		2741	my ($self, $id, @msg) = @_;
		2742
		2743	if ($self->extcmd == 2) {
		2744	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2745	} elsif ($self->extcmd == 1) {
		2746	#TODO: version 1, remove
		2747	unshift @msg, msgtype => "reply", msgid => $id;
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2749	}
2123	}	2750	}
2124		2751
2125	=item $success = $client->query ($flags, "text", \&cb)	2752	=item $success = $client->query ($flags, "text", \&cb)
2126		2753
2127	Queues a query to the client, calling the given callback with	2754	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2755	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2756	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2757
2131	Queries can fail, so check the return code. Or don't, as queries will become	2758	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2759	become reliable at some point in the future.
2133		2760
2134	=cut	2761	=cut
2135		2762
2136	sub cf::client::query {	2763	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2764	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2772	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2773	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2774
2148	$self->send_packet ($self->{query_queue}[0][0])	2775	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2776	if @{ $self->{query_queue} } == 1;
		2777
		2778	1
2150	}	2779	}
2151		2780
2152	cf::client->attach (	2781	cf::client->attach (
		2782	on_connect => sub {
		2783	my ($ns) = @_;
		2784
		2785	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2786	},
2153	on_reply => sub {	2787	on_reply => sub {
2154	my ($ns, $msg) = @_;	2788	my ($ns, $msg) = @_;
2155		2789
2156	# this weird shuffling is so that direct followup queries	2790	# this weird shuffling is so that direct followup queries
2157	# get handled first	2791	# get handled first
…		…
2169	} else {	2803	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2804	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2805	}
2172	}	2806	}
2173	},	2807	},
		2808	on_exticmd => sub {
		2809	my ($ns, $buf) = @_;
		2810
		2811	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2812
		2813	if (ref $msg) {
		2814	my ($type, $reply, @payload) =
		2815	"ARRAY" eq ref $msg
		2816	? @$msg
		2817	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2818
		2819	my @reply;
		2820
		2821	if (my $cb = $EXTICMD{$type}) {
		2822	@reply = $cb->($ns, @payload);
		2823	}
		2824
		2825	$ns->ext_reply ($reply, @reply)
		2826	if $reply;
		2827
		2828	} else {
		2829	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2830	}
		2831
		2832	cf::override;
		2833	},
2174	);	2834	);
2175		2835
2176	=item $client->async (\&cb)	2836	=item $client->async (\&cb)
2177		2837
2178	Create a new coroutine, running the specified callback. The coroutine will	2838	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	2879	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	2880	our $safe_hole = new Safe::Hole;
2221		2881
2222	$SIG{FPE} = 'IGNORE';	2882	$SIG{FPE} = 'IGNORE';
2223		2883
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2884	$safe->permit_only (Opcode::opset qw(
		2885	:base_core :base_mem :base_orig :base_math
		2886	grepstart grepwhile mapstart mapwhile
		2887	sort time
		2888	));
2225		2889
2226	# here we export the classes and methods available to script code	2890	# here we export the classes and methods available to script code
2227		2891
2228	=pod	2892	=pod
2229		2893
2230	The following functions and methods are available within a safe environment:	2894	The following functions and methods are available within a safe environment:
2231		2895
2232	cf::object contr pay_amount pay_player map	2896	cf::object
		2897	contr pay_amount pay_player map x y force_find force_add
		2898	insert remove name archname title slaying race decrease_ob_nr
		2899
2233	cf::object::player player	2900	cf::object::player
2234	cf::player peaceful	2901	player
2235	cf::map trigger	2902
		2903	cf::player
		2904	peaceful
		2905
		2906	cf::map
		2907	trigger
2236		2908
2237	=cut	2909	=cut
2238		2910
2239	for (	2911	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	2912	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2913	insert remove inv name archname title slaying race
		2914	decrease_ob_nr)],
2241	["cf::object::player" => qw(player)],	2915	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	2916	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	2917	["cf::map" => qw(trigger)],
2244	) {	2918	) {
2245	no strict 'refs';	2919	no strict 'refs';
…		…
2316	=back	2990	=back
2317		2991
2318	=cut	2992	=cut
2319		2993
2320	#############################################################################	2994	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	2995	# the server's init and main functions
2496		2996
2497	sub load_facedata($) {	2997	sub load_facedata($) {
2498	my ($path) = @_;	2998	my ($path) = @_;
		2999
		3000	# HACK to clear player env face cache, we need some signal framework
		3001	# for this (global event?)
		3002	%ext::player_env::MUSIC_FACE_CACHE = ();
		3003
		3004	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3005
2500	warn "loading facedata from $path\n";	3006	warn "loading facedata from $path\n";
2501		3007
2502	my $facedata;	3008	my $facedata;
2503	0 < aio_load $path, $facedata	3009	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3012	$facedata = Coro::Storable::thaw $facedata;
2507		3013
2508	$facedata->{version} == 2	3014	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3015	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3016
		3017	# patch in the exptable
		3018	$facedata->{resource}{"res/exp_table"} = {
		3019	type => FT_RSRC,
		3020	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3021	};
		3022	cf::cede_to_tick;
		3023
2511	{	3024	{
2512	my $faces = $facedata->{faceinfo};	3025	my $faces = $facedata->{faceinfo};
2513		3026
2514	while (my ($face, $info) = each %$faces) {	3027	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3028	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3029	cf::face::set_visibility $idx, $info->{visibility};
		3030	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3031	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3032	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3033
		3034	cf::cede_to_tick;
2520	}	3035	}
2521		3036
2522	while (my ($face, $info) = each %$faces) {	3037	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3038	next unless $info->{smooth};
2524	my $idx = cf::face::find $face	3039	my $idx = cf::face::find $face
2525	or next;	3040	or next;
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3041	if (my $smooth = cf::face::find $info->{smooth}) {
		3042	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3043	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3044	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3045	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3046	}
2531	Coro::cede;	3047
		3048	cf::cede_to_tick;
2532	}	3049	}
2533	}	3050	}
2534		3051
2535	{	3052	{
2536	my $anims = $facedata->{animinfo};	3053	my $anims = $facedata->{animinfo};
2537		3054
2538	while (my ($anim, $info) = each %$anims) {	3055	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3056	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3057	cf::cede_to_tick;
2541	}	3058	}
2542		3059
2543	cf::anim::invalidate_all; # d'oh	3060	cf::anim::invalidate_all; # d'oh
2544	}	3061	}
2545		3062
		3063	{
		3064	# TODO: for gcfclient pleasure, we should give resources
		3065	# that gcfclient doesn't grok a >10000 face index.
		3066	my $res = $facedata->{resource};
		3067
		3068	my $soundconf = delete $res->{"res/sound.conf"};
		3069
		3070	while (my ($name, $info) = each %$res) {
		3071	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3072	my $data;
		3073
		3074	if ($info->{type} & 1) {
		3075	# prepend meta info
		3076
		3077	my $meta = $enc->encode ({
		3078	name => $name,
		3079	%{ $info->{meta} || {} },
		3080	});
		3081
		3082	$data = pack "(w/a*)*", $meta, $info->{data};
		3083	} else {
		3084	$data = $info->{data};
		3085	}
		3086
		3087	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3088	cf::face::set_type $idx, $info->{type};
		3089
		3090	cf::cede_to_tick;
		3091	}
		3092
		3093	if ($soundconf) {
		3094	$soundconf = $enc->decode (delete $soundconf->{data});
		3095
		3096	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3097	my $sound = $soundconf->{compat}[$_]
		3098	or next;
		3099
		3100	my $face = cf::face::find "sound/$sound->[1]";
		3101	cf::sound::set $sound->[0] => $face;
		3102	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3103	}
		3104
		3105	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3106	my $face = cf::face::find "sound/$v";
		3107	cf::sound::set $k => $face;
		3108	}
		3109	}
		3110	}
		3111
2546	1	3112	1
2547	}	3113	}
2548		3114
		3115	register_exticmd fx_want => sub {
		3116	my ($ns, $want) = @_;
		3117
		3118	while (my ($k, $v) = each %$want) {
		3119	$ns->fx_want ($k, $v);
		3120	}
		3121	};
		3122
2549	sub reload_regions {	3123	sub reload_regions {
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
2550	load_resource_file "$MAPDIR/regions"	3128	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3129	or die "unable to load regions file\n";
		3130
		3131	for (cf::region::list) {
		3132	$_->{match} = qr/$_->{match}/
		3133	if exists $_->{match};
		3134	}
2552	}	3135	}
2553		3136
2554	sub reload_facedata {	3137	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3138	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3139	or die "unable to load facedata\n";
2557	}	3140	}
2558		3141
2559	sub reload_archetypes {	3142	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	3143	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	3144	or die "unable to load archetypes\n";
		3145	#d# NEED to laod twice to resolve forward references
		3146	# this really needs to be done in an extra post-pass
		3147	# (which needs to be synchronous, so solve it differently)
		3148	load_resource_file "$DATADIR/archetypes"
		3149	or die "unable to load archetypes\n";
2562	}	3150	}
2563		3151
2564	sub reload_treasures {	3152	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3153	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3154	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	3157	sub reload_resources {
2570	warn "reloading resource files...\n";	3158	warn "reloading resource files...\n";
2571		3159
2572	reload_regions;	3160	reload_regions;
2573	reload_facedata;	3161	reload_facedata;
		3162	#reload_archetypes;#d#
2574	reload_archetypes;	3163	reload_archetypes;
2575	reload_treasures;	3164	reload_treasures;
2576		3165
2577	warn "finished reloading resource files\n";	3166	warn "finished reloading resource files\n";
2578	}	3167	}
2579		3168
2580	sub init {	3169	sub init {
2581	reload_resources;	3170	reload_resources;
2582	}	3171	}
2583		3172
2584	sub cfg_load {	3173	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3174	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3175	or return;
2587		3176
2588	local $/;	3177	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3178	*CFG = YAML::Syck::Load <$fh>;
…		…
2605	sub main {	3194	sub main {
2606	# we must not ever block the main coroutine	3195	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3196	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3198	(async {
		3199	$Coro::current->{desc} = "IDLE BUG HANDLER";
2610	Event::one_event;	3200	Event::one_event;
2611	})->prio (Coro::PRIO_MAX);	3201	})->prio (Coro::PRIO_MAX);
2612	};	3202	};
2613		3203
2614	cfg_load;	3204	reload_config;
2615	db_init;	3205	db_init;
2616	load_extensions;	3206	load_extensions;
2617		3207
2618	$TICK_WATCHER->start;	3208	$TICK_WATCHER->start;
2619	Event::loop;	3209	Event::loop;
…		…
2635	},	3225	},
2636	);	3226	);
2637	}	3227	}
2638	}	3228	}
2639		3229
		3230	sub write_runtime {
		3231	my $runtime = "$LOCALDIR/runtime";
		3232
		3233	# first touch the runtime file to show we are still running:
		3234	# the fsync below can take a very very long time.
		3235
		3236	IO::AIO::aio_utime $runtime, undef, undef;
		3237
		3238	my $guard = cf::lock_acquire "write_runtime";
		3239
		3240	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3241	or return;
		3242
		3243	my $value = $cf::RUNTIME + 90 + 10;
		3244	# 10 is the runtime save interval, for a monotonic clock
		3245	# 60 allows for the watchdog to kill the server.
		3246
		3247	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3248	and return;
		3249
		3250	# always fsync - this file is important
		3251	aio_fsync $fh
		3252	and return;
		3253
		3254	# touch it again to show we are up-to-date
		3255	aio_utime $fh, undef, undef;
		3256
		3257	close $fh
		3258	or return;
		3259
		3260	aio_rename "$runtime~", $runtime
		3261	and return;
		3262
		3263	warn "runtime file written.\n";
		3264
		3265	1
		3266	}
		3267
2640	sub emergency_save() {	3268	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3269	my $freeze_guard = cf::freeze_mainloop;
2642		3270
2643	warn "enter emergency perl save\n";	3271	warn "enter emergency perl save\n";
2644		3272
…		…
2719	%EXT_CORO = ();	3347	%EXT_CORO = ();
2720		3348
2721	warn "removing commands";	3349	warn "removing commands";
2722	%COMMAND = ();	3350	%COMMAND = ();
2723		3351
2724	warn "removing ext commands";	3352	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3353	%EXTCMD = ();
		3354	%EXTICMD = ();
2726		3355
2727	warn "unloading/nuking all extensions";	3356	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3357	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3358	warn "... unloading $pkg";
2730		3359
…		…
2773	warn "reloading cf.pm";	3402	warn "reloading cf.pm";
2774	require cf;	3403	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3405
2777	warn "loading config and database again";	3406	warn "loading config and database again";
2778	cf::cfg_load;	3407	cf::reload_config;
2779		3408
2780	warn "loading extensions";	3409	warn "loading extensions";
2781	cf::load_extensions;	3410	cf::load_extensions;
2782		3411
2783	warn "reattaching attachments to objects/players";	3412	warn "reattaching attachments to objects/players";
…		…
2819	register_command "reload" => sub {	3448	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3449	my ($who, $arg) = @_;
2821		3450
2822	if ($who->flag (FLAG_WIZ)) {	3451	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3452	$who->message ("reloading server.");
		3453	async {
		3454	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3455	reload_perl;
		3456	};
2825	}	3457	}
2826	};	3458	};
2827		3459
2828	unshift @INC, $LIBDIR;	3460	unshift @INC, $LIBDIR;
2829		3461
…		…
2871	$NEXT_TICK += $TICK;	3503	$NEXT_TICK += $TICK;
2872		3504
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3505	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3506	$NEXT_RUNTIME_WRITE = $NOW + 10;
2875	Coro::async_pool {	3507	Coro::async_pool {
		3508	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3509	write_runtime
2877	or warn "ERROR: unable to write runtime file: $!";	3510	or warn "ERROR: unable to write runtime file: $!";
2878	};	3511	};
2879	}	3512	}
2880		3513
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3514	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3515	$sig->send;
2886	}	3516	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3517	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3518	$sig->send;
…		…
2898		3528
2899	$LOAD = ($NOW - $tick_start) / $TICK;	3529	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3530	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3531
2902	_post_tick;	3532	_post_tick;
2903
2904
2905	},	3533	},
2906	);	3534	);
2907		3535
2908	{	3536	{
		3537	BDB::min_parallel 8;
2909	BDB::max_poll_time $TICK * 0.1;	3538	BDB::max_poll_time $TICK * 0.1;
2910	$BDB_POLL_WATCHER = Event->io (	3539	$BDB_POLL_WATCHER = Event->io (
2911	reentrant => 0,	3540	reentrant => 0,
2912	fd => BDB::poll_fileno,	3541	fd => BDB::poll_fileno,
2913	poll => 'r',	3542	poll => 'r',
2914	prio => 0,	3543	prio => 0,
2915	data => WF_AUTOCANCEL,	3544	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,	3545	cb => \&BDB::poll_cb,
2917	);	3546	);
2918	BDB::min_parallel 8;
2919		3547
2920	BDB::set_sync_prepare {	3548	BDB::set_sync_prepare {
2921	my $status;	3549	my $status;
2922	my $current = $Coro::current;	3550	my $current = $Coro::current;
2923	(	3551	(
…		…
2932	)	3560	)
2933	};	3561	};
2934		3562
2935	unless ($DB_ENV) {	3563	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3564	$DB_ENV = BDB::db_env_create;
		3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3566	| BDB::LOG_AUTOREMOVE, 1);
		3567	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3568	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3569
2938	cf::sync_job {	3570	cf::sync_job {
2939	eval {	3571	eval {
2940	BDB::db_env_open	3572	BDB::db_env_open
2941	$DB_ENV,	3573	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3577	0666;
2946		3578
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3579	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3580	};
2952		3581
2953	cf::cleanup "db_env_open(db): $@" if $@;	3582	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3583	};
2955	}	3584	}
		3585
		3586	$BDB_DEADLOCK_WATCHER = Event->timer (
		3587	after => 3,
		3588	interval => 1,
		3589	hard => 1,
		3590	prio => 0,
		3591	data => WF_AUTOCANCEL,
		3592	cb => sub {
		3593	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3594	},
		3595	);
		3596	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3597	after => 11,
		3598	interval => 60,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_TRICKLE_WATCHER = Event->timer (
		3607	after => 5,
		3608	interval => 10,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3614	},
		3615	);
2956	}	3616	}
2957		3617
2958	{	3618	{
2959	IO::AIO::min_parallel 8;	3619	IO::AIO::min_parallel 8;
2960		3620
…		…
2963	$AIO_POLL_WATCHER = Event->io (	3623	$AIO_POLL_WATCHER = Event->io (
2964	reentrant => 0,	3624	reentrant => 0,
2965	data => WF_AUTOCANCEL,	3625	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,	3626	fd => IO::AIO::poll_fileno,
2967	poll => 'r',	3627	poll => 'r',
2968	prio => 6,	3628	prio => 0,
2969	cb => \&IO::AIO::poll_cb,	3629	cb => \&IO::AIO::poll_cb,
2970	);	3630	);
2971	}	3631	}
2972		3632
2973	my $_log_backtrace;	3633	my $_log_backtrace;
…		…
2979		3639
2980	# limit the # of concurrent backtraces	3640	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3641	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3642	++$_log_backtrace;
2983	async {	3643	async {
		3644	$Coro::current->{desc} = "abt $msg";
		3645
2984	my @bt = fork_call {	3646	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3647	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3648	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3649	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3650	or die "addr2line: $!";

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