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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 1.385 by root, Fri Oct 12 19:13:26 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
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 2.51 ();
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.
…		…
337	my $time = Event::time;	427	my $time = Event::time;
338		428
339	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
341		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
342	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	435	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
345		437
346	my $busy = 1;	438	my $busy = 1;
347	my @res;	439	my @res;
348		440
349	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	443	@res = eval { $job->() };
351	warn $@ if $@;	444	warn $@ if $@;
352	undef $busy;	445	undef $busy;
353	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
354		447
…		…
389	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
390		483
391	$coro	484	$coro
392	}	485	}
393		486
394	sub write_runtime {	487	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		488
397	# first touch the runtime file to show we are still running:	489	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
399		493
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	494	=cut
401	utime undef, undef, $fh;	495
		496	sub fork_call(&@) {
		497	my ($cb, @args) = @_;
		498
		499	# we seemingly have to make a local copy of the whole thing,
		500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
		502
		503	my @res = Coro::Util::fork_eval {
		504	reset_signals;
		505	&$cb
		506	}, @args;
		507
		508	wantarray ? @res : $res[-1]
		509	}
		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
402	}	538	};
		539	cf::cleanup "db_open(db): $@" if $@;
403		540
404	my $guard = cf::lock_acquire "write_runtime";	541	$db
		542	}
405		543
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	our $DB;
407	or return;
408		545
409	my $value = $cf::RUNTIME + 90 + 10;	546	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	547	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	548	$DB ||= db_table "db";
		549	};
		550	}
412		551
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	sub db_get($$) {
414	and return;	553	my $key = "$_[0]/$_[1]";
415		554
416	# always fsync - this file is important	555	cf::sync_job {
417	aio_fsync $fh	556	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		557
420	# touch it again to show we are up-to-date	558	$! ? ()
421	utime undef, undef, $fh;	559	: $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	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
432	}	636	}
433		637
434	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
435		639
436	Log a datalog packet of the given type with the given key-value pairs.	640	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")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
456		660
457	In the following description, CLASS can be any of C<global>, C<object>	661	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	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	663	Crossfire TRT).
460		664
461	=over 4	665	=over 4
462		666
463	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
464		668
…		…
666	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
667	}	871	}
668		872
669	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
670	} else {	874	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	876	}
673		877
674	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
675	}	879	}
676		880
…		…
716	";	920	";
717	die if $@;	921	die if $@;
718	}	922	}
719		923
720	our $override;	924	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		926
723	sub override {	927	sub override {
724	$override = 1;	928	$override = 1;
725	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
726	}	930	}
727		931
728	sub do_invoke {	932	sub do_invoke {
729	my $event = shift;	933	my $event = shift;
730	my $callbacks = shift;	934	my $callbacks = shift;
731		935
732	@invoke_results = ();	936	@INVOKE_RESULTS = ();
733		937
734	local $override;	938	local $override;
735		939
736	for (@$callbacks) {	940	for (@$callbacks) {
737	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
754		958
755	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
756		960
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	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	962	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		964
761	=back	965	=back
762		966
763	=cut	967	=cut
764		968
765	#############################################################################	969	#############################################################################
766	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	return 1;#d#
		977
		978	#todo#d# kill yourself and do some recursive checking manually without storable
		979	sync_job {
		980	my $guard = Coro::Storable::guard;
		981	local $Storable::canonical = 1;
		982	my $fob1 = Storable::freeze $ob1;
		983	my $fob2 = Storable::freeze $ob2;
		984	$fob1 eq $fob2
		985	}
		986	}
767		987
768	sub reattach {	988	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	989	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	990	my ($obj) = @_;
771		991
…		…
818	sub object_freezer_save {	1038	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1039	my ($filename, $rdata, $objs) = @_;
820		1040
821	sync_job {	1041	sync_job {
822	if (length $$rdata) {	1042	if (length $$rdata) {
		1043	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1044	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1045	$decname, length $$rdata, scalar @$objs;
825		1046
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1050	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1051	close $fh;
831		1052
832	if (@$objs) {	1053	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1054	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1055	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1057	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1058	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1059	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1060	aio_rename "$filename.pst~", "$filename.pst";
840	}	1061	}
…		…
848	}	1069	}
849	} else {	1070	} else {
850	aio_unlink $filename;	1071	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1072	aio_unlink "$filename.pst";
852	}	1073	}
853	}	1074	};
854	}	1075	}
855		1076
856	sub object_freezer_as_string {	1077	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1078	my ($rdata, $objs) = @_;
858		1079
…		…
870	or return;	1091	or return;
871		1092
872	unless (aio_stat "$filename.pst") {	1093	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1094	(aio_load "$filename.pst", $av) >= 0
874	or return;	1095	or return;
875	$av = eval { (Storable::thaw $av)->{objs} };
876	}
877		1096
		1097	my $st = eval { Coro::Storable::thaw $av }
		1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1099	$av = $st->{objs};
		1100	}
		1101
		1102	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1103	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1104	$decname, length $data, scalar @{$av || []};
		1105
880	return ($data, $av);	1106	($data, $av)
881	}	1107	}
		1108
		1109	=head2 COMMAND CALLBACKS
		1110
		1111	=over 4
		1112
		1113	=cut
882		1114
883	#############################################################################	1115	#############################################################################
884	# command handling &c	1116	# command handling &c
885		1117
886	=item cf::register_command $name => \&callback($ob,$args);	1118	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1131	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1132	}
901		1133
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1134	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1135
904	Register a callbackf ro execution when the client sends an extcmd packet.	1136	Register a callback for execution when the client sends an (synchronous)
		1137	extcmd packet. Ext commands will be processed in the order they are
		1138	received by the server, like other user commands. The first argument is
		1139	the logged-in player. Ext commands can only be processed after a player
		1140	has logged in successfully.
905		1141
906	If the callback returns something, it is sent back as if reply was being	1142	If the callback returns something, it is sent back as if reply was being
907	called.	1143	called.
908		1144
		1145	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1146
		1147	Register a callback for execution when the client sends an (asynchronous)
		1148	exticmd packet. Exti commands are processed by the server as soon as they
		1149	are received, i.e. out of order w.r.t. other commands. The first argument
		1150	is a client socket. Exti commands can be received anytime, even before
		1151	log-in.
		1152
		1153	If the callback returns something, it is sent back as if reply was being
		1154	called.
		1155
909	=cut	1156	=cut
910		1157
911	sub register_extcmd {	1158	sub register_extcmd {
912	my ($name, $cb) = @_;	1159	my ($name, $cb) = @_;
913		1160
914	$EXTCMD{$name} = $cb;	1161	$EXTCMD{$name} = $cb;
		1162	}
		1163
		1164	sub register_exticmd {
		1165	my ($name, $cb) = @_;
		1166
		1167	$EXTICMD{$name} = $cb;
915	}	1168	}
916		1169
917	cf::player->attach (	1170	cf::player->attach (
918	on_command => sub {	1171	on_command => sub {
919	my ($pl, $name, $params) = @_;	1172	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1181	cf::override;
929	},	1182	},
930	on_extcmd => sub {	1183	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1184	my ($pl, $buf) = @_;
932		1185
933	my $msg = eval { from_json $buf };	1186	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1187
935	if (ref $msg) {	1188	if (ref $msg) {
		1189	my ($type, $reply, @payload) =
		1190	"ARRAY" eq ref $msg
		1191	? @$msg
		1192	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1193
		1194	my @reply;
		1195
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1196	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1197	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1198	}
		1199
		1200	$pl->ext_reply ($reply, @reply)
		1201	if $reply;
		1202
941	} else {	1203	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1204	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1205	}
944		1206
945	cf::override;	1207	cf::override;
946	},	1208	},
947	);	1209	);
948		1210
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 {	1211	sub load_extensions {
		1212	cf::sync_job {
		1213	my %todo;
		1214
984	for my $ext (<$LIBDIR/*.ext>) {	1215	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1216	next unless -r $path;
986	eval {	1217
987	load_extension $ext;	1218	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1219	my $base = $1;
		1220	my $pkg = $1;
		1221	$pkg =~ s/[^[:word:]]/_/g;
		1222	$pkg = "ext::$pkg";
		1223
		1224	open my $fh, "<:utf8", $path
		1225	or die "$path: $!";
		1226
		1227	my $source = do { local $/; <$fh> };
		1228
		1229	my %ext = (
		1230	path => $path,
		1231	base => $base,
		1232	pkg => $pkg,
		1233	);
		1234
		1235	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1236	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1237
		1238	$ext{source} =
		1239	"package $pkg; use strict; use utf8;\n"
		1240	. "#line 1 \"$path\"\n{\n"
		1241	. $source
		1242	. "\n};\n1";
		1243
		1244	$todo{$base} = \%ext;
		1245	}
		1246
		1247	my %done;
		1248	while (%todo) {
		1249	my $progress;
		1250
		1251	while (my ($k, $v) = each %todo) {
		1252	for (split /,\s*/, $v->{meta}{depends}) {
		1253	goto skip
		1254	unless exists $done{$_};
		1255	}
		1256
		1257	warn "... loading '$k' into '$v->{pkg}'\n";
		1258
		1259	unless (eval $v->{source}) {
		1260	my $msg = $@ ? "$v->{path}: $@\n"
		1261	: "$v->{base}: extension inactive.\n";
		1262
		1263	if (exists $v->{meta}{mandatory}) {
		1264	warn $msg;
		1265	warn "mandatory extension failed to load, exiting.\n";
		1266	exit 1;
		1267	}
		1268
		1269	warn $msg;
		1270	}
		1271
		1272	$done{$k} = delete $todo{$k};
		1273	push @EXTS, $v->{pkg};
		1274	$progress = 1;
988	1	1275	}
989	} or warn "$ext not loaded: $@";	1276
		1277	skip:
		1278	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1279	unless $progress;
		1280	}
990	}	1281	};
991	}	1282	}
992		1283
993	#############################################################################	1284	#############################################################################
994		1285
		1286	=back
		1287
995	=head2 CORE EXTENSIONS	1288	=head2 CORE EXTENSIONS
996		1289
997	Functions and methods that extend core crossfire objects.	1290	Functions and methods that extend core crossfire objects.
998		1291
999	=cut	1292	=cut
…		…
1003	use Coro::AIO;	1296	use Coro::AIO;
1004		1297
1005	=head3 cf::player	1298	=head3 cf::player
1006		1299
1007	=over 4	1300	=over 4
		1301
		1302	=item cf::player::num_playing
		1303
		1304	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1305
		1306	=cut
		1307
		1308	sub num_playing {
		1309	scalar grep
		1310	$_->ob->map
		1311	&& !$_->hidden
		1312	&& !$_->ob->flag (cf::FLAG_WIZ),
		1313	cf::player::list
		1314	}
1008		1315
1009	=item cf::player::find $login	1316	=item cf::player::find $login
1010		1317
1011	Returns the given player object, loading it if necessary (might block).	1318	Returns the given player object, loading it if necessary (might block).
1012		1319
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1355	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1356	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1357	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1358	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1359
1053	my $pl = load_pl path $login	1360	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1361	or return;
		1362
		1363	my $pl = cf::player::load_pl $f
		1364	or return;
		1365	local $cf::PLAYER_LOADING{$login} = $pl;
		1366	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1367	$cf::PLAYER{$login} = $pl
1056	}	1368	}
1057	}	1369	}
1058	}	1370	}
1059		1371
…		…
1069		1381
1070	aio_mkdir playerdir $pl, 0770;	1382	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1383	$pl->{last_save} = $cf::RUNTIME;
1072		1384
1073	$pl->save_pl ($path);	1385	$pl->save_pl ($path);
1074	Coro::cede;	1386	cf::cede_to_tick;
1075	}	1387	}
1076		1388
1077	sub new($) {	1389	sub new($) {
1078	my ($login) = @_;	1390	my ($login) = @_;
1079		1391
…		…
1083	$self->{deny_save} = 1;	1395	$self->{deny_save} = 1;
1084		1396
1085	$cf::PLAYER{$login} = $self;	1397	$cf::PLAYER{$login} = $self;
1086		1398
1087	$self	1399	$self
		1400	}
		1401
		1402	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1403
		1404	=cut
		1405
		1406	sub send_msg {
		1407	my $ns = shift->ns
		1408	or return;
		1409	$ns->send_msg (@_);
1088	}	1410	}
1089		1411
1090	=item $pl->quit_character	1412	=item $pl->quit_character
1091		1413
1092	Nukes the player without looking back. If logged in, the connection will	1414	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1469	or return [];
1148		1470
1149	my @logins;	1471	my @logins;
1150		1472
1151	for my $login (@$dirs) {	1473	for my $login (@$dirs) {
		1474	my $path = path $login;
		1475
		1476	# a .pst is a dead give-away for a valid player
		1477	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1479	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1480	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1481	}
1155		1482
1156	utf8::decode $login;	1483	utf8::decode $login;
1157	push @logins, $login;	1484	push @logins, $login;
1158	}	1485	}
1159		1486
…		…
1186	}	1513	}
1187		1514
1188	\@paths	1515	\@paths
1189	}	1516	}
1190		1517
		1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1519
		1520	Expand crossfire pod fragments into protocol xml.
		1521
		1522	=cut
		1523
		1524	sub expand_cfpod {
		1525	((my $self), (local $_)) = @_;
		1526
		1527	# escape & and <
		1528	s/&/&amp;/g;
		1529	s/(?<![BIUGHT])</&lt;/g;
		1530
		1531	# this is buggy, it needs to properly take care of nested <'s
		1532
		1533	1 while
		1534	# replace B<>, I<>, U<> etc.
		1535	s/B<([^\>]*)>/<b>$1<\/b>/
		1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1539	# replace G<male|female> tags
		1540	|| s{G<([^>|]*)\|([^>]*)>}{
		1541	$self->gender ? $2 : $1
		1542	}ge
		1543	# replace H<hint text>
		1544	|| s{H<([^\>]*)>}
		1545	{
		1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1548	"")
		1549	[$self->{hintmode}]
		1550	}ge;
		1551
		1552	# create single paragraphs (very hackish)
		1553	s/(?<=\S)\n(?=\w)/ /g;
		1554
		1555	# compress some whitespace
		1556	s/\s+\n/\n/g; # ws line-ends
		1557	s/\n\n+/\n/g; # double lines
		1558	s/^\n+//; # beginning lines
		1559	s/\n+$//; # ending lines
		1560
		1561	$_
		1562	}
		1563
		1564	sub hintmode {
		1565	$_[0]{hintmode} = $_[1] if @_ > 1;
		1566	$_[0]{hintmode}
		1567	}
		1568
1191	=item $player->ext_reply ($msgid, %msg)	1569	=item $player->ext_reply ($msgid, @msg)
1192		1570
1193	Sends an ext reply to the player.	1571	Sends an ext reply to the player.
1194		1572
1195	=cut	1573	=cut
1196		1574
1197	sub ext_reply($$%) {	1575	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1576	my ($self, $id, @msg) = @_;
1199		1577
1200	$msg{msgid} = $id;	1578	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1579	}
1204		1580
1205	=item $player->ext_event ($type, %msg)	1581	=item $player->ext_msg ($type, @msg)
1206		1582
1207	Sends an ext event to the client.	1583	Sends an ext event to the client.
1208		1584
1209	=cut	1585	=cut
1210		1586
1211	sub ext_event($$%) {	1587	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1588	my ($self, $type, @msg) = @_;
1213		1589
1214	$self->ns->ext_event ($type, %msg);	1590	$self->ns->ext_msg ($type, @msg);
1215	}	1591	}
1216		1592
1217	=head3 cf::region	1593	=head3 cf::region
1218		1594
1219	=over 4	1595	=over 4
…		…
1222		1598
1223	package cf::region;	1599	package cf::region;
1224		1600
1225	=item cf::region::find_by_path $path	1601	=item cf::region::find_by_path $path
1226		1602
1227	Tries to decuce the probable region for a map knowing only its path.	1603	Tries to decuce the likely region for a map knowing only its path.
1228		1604
1229	=cut	1605	=cut
1230		1606
1231	sub find_by_path($) {	1607	sub find_by_path($) {
1232	my ($path) = @_;	1608	my ($path) = @_;
1233		1609
1234	my ($match, $specificity);	1610	my ($match, $specificity);
1235		1611
1236	for my $region (list) {	1612	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1613	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1614	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1615	if $region->specificity > $specificity;
1240	}	1616	}
1241	}	1617	}
1242		1618
…		…
1306	my ($self, $merge) = @_;	1682	my ($self, $merge) = @_;
1307		1683
1308	# we have to keep some variables in memory intact	1684	# we have to keep some variables in memory intact
1309	local $self->{path};	1685	local $self->{path};
1310	local $self->{load_path};	1686	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1687
1314	$self->SUPER::thawer_merge ($merge);	1688	$self->SUPER::thawer_merge ($merge);
1315	}	1689	}
1316		1690
1317	sub normalise {	1691	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1738	$self->init; # pass $1 etc.
1365	return $self;	1739	return $self;
1366	}	1740	}
1367	}	1741	}
1368		1742
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1743	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1744	()
1371	}	1745	}
1372		1746
1373	sub init {	1747	sub init {
1374	my ($self) = @_;	1748	my ($self) = @_;
…		…
1417		1791
1418	$_->change_map_light ($change)	1792	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1793	for grep $_->outdoor, values %cf::MAP;
1420	}	1794	}
1421		1795
		1796	sub decay_objects {
		1797	my ($self) = @_;
		1798
		1799	return if $self->{deny_reset};
		1800
		1801	$self->do_decay_objects;
		1802	}
		1803
1422	sub unlink_save {	1804	sub unlink_save {
1423	my ($self) = @_;	1805	my ($self) = @_;
1424		1806
1425	utf8::encode (my $save = $self->save_path);	1807	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1808	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1811
1430	sub load_header_from($) {	1812	sub load_header_from($) {
1431	my ($self, $path) = @_;	1813	my ($self, $path) = @_;
1432		1814
1433	utf8::encode $path;	1815	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1816	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1817	or return;
		1818
		1819	$self->_load_header ($f)
		1820	or return;
		1821
		1822	local $MAP_LOADING{$self->{path}} = $self;
		1823	$f->resolve_delayed_derefs;
1439		1824
1440	$self->{load_path} = $path;	1825	$self->{load_path} = $path;
1441		1826
1442	1	1827	1
1443	}	1828	}
…		…
1482	$self->load_header_orig	1867	$self->load_header_orig
1483	or return;	1868	or return;
1484	$self->prepare_orig;	1869	$self->prepare_orig;
1485	}	1870	}
1486		1871
		1872	$self->{deny_reset} = 1
		1873	if $self->no_reset;
		1874
1487	$self->default_region (cf::region::find_by_path $self->{path})	1875	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1876	unless $self->default_region;
1489		1877
1490	1	1878	1
1491	}	1879	}
…		…
1494	sub find {	1882	sub find {
1495	my ($path, $origin) = @_;	1883	my ($path, $origin) = @_;
1496		1884
1497	$path = normalise $path, $origin && $origin->path;	1885	$path = normalise $path, $origin && $origin->path;
1498		1886
		1887	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1888	cf::lock_wait "map_find:$path";
1500		1889
1501	$cf::MAP{$path} || do {	1890	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1891	my $guard1 = cf::lock_acquire "map_find:$path";
		1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1893
1503	my $map = new_from_path cf::map $path	1894	my $map = new_from_path cf::map $path
1504	or return;	1895	or return;
1505		1896
1506	$map->{last_save} = $cf::RUNTIME;	1897	$map->{last_save} = $cf::RUNTIME;
1507		1898
1508	$map->load_header	1899	$map->load_header
1509	or return;	1900	or return;
1510		1901
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1903	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1904	#$cf::WAIT_FOR_TICK->wait;
		1905	undef $guard1;
		1906	undef $guard2;
1514	$map->reset;	1907	$map->reset;
1515	undef $guard;
1516	return find $path;	1908	return find $path;
1517	}	1909	}
1518		1910
1519	$cf::MAP{$path} = $map	1911	$cf::MAP{$path} = $map
1520	}	1912	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1921	local $self->{deny_reset} = 1; # loading can take a long time
1530		1922
1531	my $path = $self->{path};	1923	my $path = $self->{path};
1532		1924
1533	{	1925	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1926	my $guard = cf::lock_acquire "map_data:$path";
1535		1927
		1928	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1929	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1930
1538	$self->in_memory (cf::MAP_LOADING);	1931	$self->in_memory (cf::MAP_LOADING);
1539		1932
1540	$self->alloc;	1933	$self->alloc;
1541		1934
1542	$self->pre_load;	1935	$self->pre_load;
1543	Coro::cede;	1936	cf::cede_to_tick;
1544		1937
		1938	my $f = new_from_file cf::object::thawer $self->{load_path};
		1939	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	1940	$self->_load_objects ($f)
1546	or return;	1941	or return;
1547		1942
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	1944	if delete $self->{load_original};
1550		1945
1551	if (my $uniq = $self->uniq_path) {	1946	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	1947	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	1948	unless (aio_stat $uniq) {
		1949	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	1950	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1951	$self->_load_objects ($f);
		1952	$f->resolve_delayed_derefs;
		1953	}
1556	}	1954	}
1557	}	1955	}
1558		1956
1559	Coro::cede;	1957	$f->resolve_delayed_derefs;
		1958
		1959	cf::cede_to_tick;
1560	# now do the right thing for maps	1960	# now do the right thing for maps
1561	$self->link_multipart_objects;	1961	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1962	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1963	unless $self->difficulty;
1564	Coro::cede;	1964	cf::cede_to_tick;
1565		1965
1566	unless ($self->{deny_activate}) {	1966	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1967	$self->decay_objects;
1568	$self->fix_auto_apply;	1968	$self->fix_auto_apply;
1569	$self->update_buttons;	1969	$self->update_buttons;
1570	Coro::cede;	1970	cf::cede_to_tick;
1571	$self->set_darkness_map;	1971	$self->set_darkness_map;
1572	Coro::cede;	1972	cf::cede_to_tick;
1573	$self->activate;	1973	$self->activate;
1574	}	1974	}
		1975
		1976	$self->{last_save} = $cf::RUNTIME;
		1977	$self->last_access ($cf::RUNTIME);
1575		1978
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1979	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1980	}
1578		1981
1579	$self->post_load;	1982	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	1986	my ($self, $ob) = @_;
1584		1987
1585	return find "~" . $ob->name . "/" . $self->{path}	1988	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1989	if $self->per_player;
1587		1990
		1991	# return find "?party/" . $ob->name . "/" . $self->{path}
		1992	# if $self->per_party;
		1993
1588	$self	1994	$self
1589	}	1995	}
1590		1996
1591	# find and load all maps in the 3x3 area around a map	1997	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1998	sub load_neighbours {
1593	my ($map) = @_;	1999	my ($map) = @_;
1594		2000
1595	my @diag; # diagonal neighbours	2001	my @neigh; # diagonal neighbours
1596		2002
1597	for (0 .. 3) {	2003	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2004	my $neigh = $map->tile_path ($_)
1599	or next;	2005	or next;
1600	$neigh = find $neigh, $map	2006	$neigh = find $neigh, $map
1601	or next;	2007	or next;
1602	$neigh->load;	2008	$neigh->load;
1603		2009
		2010	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2011	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2012	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2013	}
1607		2014
1608	for (@diag) {	2015	for (grep defined $_->[0], @neigh) {
		2016	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2017	my $neigh = find $path, $origin
1610	or next;	2018	or next;
1611	$neigh->load;	2019	$neigh->load;
1612	}	2020	}
1613	}	2021	}
1614		2022
…		…
1619	}	2027	}
1620		2028
1621	sub do_load_sync {	2029	sub do_load_sync {
1622	my ($map) = @_;	2030	my ($map) = @_;
1623		2031
		2032	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2033	if $Coro::current == $Coro::main;
		2034
1624	cf::sync_job { $map->load };	2035	cf::sync_job { $map->load };
1625	}	2036	}
1626		2037
1627	our %MAP_PREFETCH;	2038	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2039	our $MAP_PREFETCHER = undef;
1629		2040
1630	sub find_async {	2041	sub find_async {
1631	my ($path, $origin) = @_;	2042	my ($path, $origin, $load) = @_;
1632		2043
1633	$path = normalise $path, $origin && $origin->{path};	2044	$path = normalise $path, $origin && $origin->{path};
1634		2045
1635	if (my $map = $cf::MAP{$path}) {	2046	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2048	}
1638		2049
1639	undef $MAP_PREFETCH{$path};	2050	$MAP_PREFETCH{$path} |= $load;
		2051
1640	$MAP_PREFETCHER ||= cf::async {	2052	$MAP_PREFETCHER ||= cf::async {
		2053	$Coro::current->{desc} = "map prefetcher";
		2054
1641	while (%MAP_PREFETCH) {	2055	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2056	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2057	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2058	$map->load if $v;
		2059	}
1646		2060
1647	delete $MAP_PREFETCH{$path};	2061	delete $MAP_PREFETCH{$k};
1648	}	2062	}
1649	}	2063	}
1650	undef $MAP_PREFETCHER;	2064	undef $MAP_PREFETCHER;
1651	};	2065	};
1652	$MAP_PREFETCHER->prio (6);	2066	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2069	}
1656		2070
1657	sub save {	2071	sub save {
1658	my ($self) = @_;	2072	my ($self) = @_;
1659		2073
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2074	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2075
1662	$self->{last_save} = $cf::RUNTIME;	2076	$self->{last_save} = $cf::RUNTIME;
1663		2077
1664	return unless $self->dirty;	2078	return unless $self->dirty;
1665		2079
…		…
1671	return if $self->{deny_save};	2085	return if $self->{deny_save};
1672		2086
1673	local $self->{last_access} = $self->last_access;#d#	2087	local $self->{last_access} = $self->last_access;#d#
1674		2088
1675	cf::async {	2089	cf::async {
		2090	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2091	$_->contr->save for $self->players;
1677	};	2092	};
1678		2093
1679	if ($uniq) {	2094	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2103	my ($self) = @_;
1689		2104
1690	# save first because save cedes	2105	# save first because save cedes
1691	$self->save;	2106	$self->save;
1692		2107
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2108	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2109
1695	return if $self->players;	2110	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2111	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2112	return if $self->{deny_save};
1698		2113
		2114	$self->in_memory (cf::MAP_SWAPPED);
		2115
		2116	$self->deactivate;
		2117	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2118	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2119	}
1702		2120
1703	sub reset_at {	2121	sub reset_at {
1704	my ($self) = @_;	2122	my ($self) = @_;
1705		2123
1706	# TODO: safety, remove and allow resettable per-player maps	2124	# 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};	2125	return 1e99 if $self->{deny_reset};
1709		2126
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2127	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2128	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2129
…		…
1723	my ($self) = @_;	2140	my ($self) = @_;
1724		2141
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2143
1727	return if $self->players;	2144	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2145
1730	warn "resetting map ", $self->path;#d#	2146	warn "resetting map ", $self->path;
1731		2147
1732	$self->in_memory (cf::MAP_SWAPPED);	2148	$self->in_memory (cf::MAP_SWAPPED);
1733		2149
1734	# need to save uniques path	2150	# need to save uniques path
1735	unless ($self->{deny_save}) {	2151	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2155	if $uniq;
1740	}	2156	}
1741		2157
1742	delete $cf::MAP{$self->path};	2158	delete $cf::MAP{$self->path};
1743		2159
		2160	$self->deactivate;
		2161	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2162	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2163
1748	$self->unlink_save;	2164	$self->unlink_save;
1749	$self->destroy;	2165	$self->destroy;
1750	}	2166	}
1751		2167
1752	my $nuke_counter = "aaaa";	2168	my $nuke_counter = "aaaa";
1753		2169
1754	sub nuke {	2170	sub nuke {
1755	my ($self) = @_;	2171	my ($self) = @_;
1756		2172
		2173	{
		2174	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2175
1757	delete $cf::MAP{$self->path};	2176	delete $cf::MAP{$self->path};
1758		2177
1759	$self->unlink_save;	2178	$self->unlink_save;
1760		2179
1761	bless $self, "cf::map";	2180	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2181	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2182	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2183	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2184	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2185
1767	$cf::MAP{$self->path} = $self;	2186	$cf::MAP{$self->path} = $self;
		2187	}
1768		2188
1769	$self->reset; # polite request, might not happen	2189	$self->reset; # polite request, might not happen
		2190	}
		2191
		2192	=item $maps = cf::map::tmp_maps
		2193
		2194	Returns an arrayref with all map paths of currently instantiated and saved
		2195	maps. May block.
		2196
		2197	=cut
		2198
		2199	sub tmp_maps() {
		2200	[
		2201	map {
		2202	utf8::decode $_;
		2203	/\.map$/
		2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $TMPDIR or [] }
		2207	]
		2208	}
		2209
		2210	=item $maps = cf::map::random_maps
		2211
		2212	Returns an arrayref with all map paths of currently instantiated and saved
		2213	random maps. May block.
		2214
		2215	=cut
		2216
		2217	sub random_maps() {
		2218	[
		2219	map {
		2220	utf8::decode $_;
		2221	/\.map$/
		2222	? normalise "?random/$_"
		2223	: ()
		2224	} @{ aio_readdir $RANDOMDIR or [] }
		2225	]
1770	}	2226	}
1771		2227
1772	=item cf::map::unique_maps	2228	=item cf::map::unique_maps
1773		2229
1774	Returns an arrayref of paths of all shared maps that have	2230	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2231	instantiated unique items. May block.
1776		2232
1777	=cut	2233	=cut
1778		2234
1779	sub unique_maps() {	2235	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2236	[
1781	or return;	2237	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2238	utf8::decode $_;
1787	next if /\.pst$/;	2239	/\.map$/
1788	next unless /^$PATH_SEP/o;	2240	? normalise $_
1789		2241	: ()
1790	push @paths, cf::map::normalise $_;	2242	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2243	]
1792
1793	\@paths
1794	}	2244	}
1795		2245
1796	package cf;	2246	package cf;
1797		2247
1798	=back	2248	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2266	map { $_, inv_recursive_ $_->inv } @_
1817	}	2267	}
1818		2268
1819	sub inv_recursive {	2269	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2270	inv_recursive_ inv $_[0]
		2271	}
		2272
		2273	=item $ref = $ob->ref
		2274
		2275	creates and returns a persistent reference to an objetc that can be stored as a string.
		2276
		2277	=item $ob = cf::object::deref ($refstring)
		2278
		2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2280	even if the object actually exists. May block.
		2281
		2282	=cut
		2283
		2284	sub deref {
		2285	my ($ref) = @_;
		2286
		2287	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2288	my ($uuid, $name) = ($1, $2);
		2289	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2290	or return;
		2291	$pl->ob->uuid eq $uuid
		2292	or return;
		2293
		2294	$pl->ob
		2295	} else {
		2296	warn "$ref: cannot resolve object reference\n";
		2297	undef
		2298	}
1821	}	2299	}
1822		2300
1823	package cf;	2301	package cf;
1824		2302
1825	=back	2303	=back
…		…
1844		2322
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2323	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2324
1847	if ($self->{record_replies}) {	2325	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2326	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2327
1849	} else {	2328	} else {
		2329	my $pl = $self->contr;
		2330
		2331	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2332	my $dialog = $pl->{npc_dialog};
		2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2334
		2335	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2336	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2337	$self->message ($msg, $flags);
		2338	}
1852	}	2339	}
		2340	}
		2341
		2342	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2343
		2344	=cut
		2345
		2346	sub cf::object::send_msg {
		2347	my $pl = shift->contr
		2348	or return;
		2349	$pl->send_msg (@_);
1853	}	2350	}
1854		2351
1855	=item $player_object->may ("access")	2352	=item $player_object->may ("access")
1856		2353
1857	Returns wether the given player is authorized to access resource "access"	2354	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2401	$self->deactivate_recursive;
1905		2402
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2403	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2404
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2405	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2406	if $self->map && $self->map->{path} ne "{link}";
1910		2407
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2408	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2409	}
1913		2410
1914	sub cf::object::player::leave_link {	2411	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2412	my ($self, $map, $x, $y) = @_;
		2413
		2414	return unless $self->contr->active;
1916		2415
1917	my $link_pos = delete $self->{_link_pos};	2416	my $link_pos = delete $self->{_link_pos};
1918		2417
1919	unless ($map) {	2418	unless ($map) {
1920	# restore original map position	2419	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2433	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2434	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2435	if $x <=0 && $y <= 0;
1937		2436
1938	$map->load;	2437	$map->load;
1939	$map->load_diag;	2438	$map->load_neighbours;
1940		2439
1941	return unless $self->contr->active;	2440	return unless $self->contr->active;
1942	$self->activate_recursive;	2441	$self->activate_recursive;
1943		2442
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2444	$self->enter_map ($map, $x, $y);
1946	}	2445	}
1947		2446
1948	cf::player->attach (	2447	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2448
1952	# abort map switching before logout	2449	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2450	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2451	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2452	the new (success) or old (failed) map position. In either case, $done will
1956	};	2453	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2454
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	2455	=cut
		2456
		2457	our $GOTOGEN;
1983		2458
1984	sub cf::object::player::goto {	2459	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2460	my ($self, $path, $x, $y, $check, $done) = @_;
		2461
		2462	# do generation counting so two concurrent goto's will be executed in-order
		2463	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2464
1987	$self->enter_link;	2465	$self->enter_link;
1988		2466
1989	(async {	2467	(async {
		2468	$Coro::current->{desc} = "player::goto $path $x $y";
		2469
		2470	# *tag paths override both path and x|y
		2471	if ($path =~ /^\*(.*)$/) {
		2472	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2473	my $ob = $obs[rand @obs];
		2474
		2475	# see if we actually can go there
		2476	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2477	$ob = $obs[rand @obs];
		2478	} else {
		2479	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2480	}
		2481	# else put us there anyways for now #d#
		2482
		2483	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2484	} else {
		2485	($path, $x, $y) = (undef, undef, undef);
		2486	}
		2487	}
		2488
1990	my $map = eval {	2489	my $map = eval {
1991	my $map = cf::map::find $path;	2490	my $map = defined $path ? cf::map::find $path : undef;
		2491
		2492	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2493	$map = $map->customise_for ($self);
		2494	$map = $check->($map) if $check && $map;
		2495	} else {
		2496	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	}
		2498
1993	$map	2499	$map
		2500	};
		2501
		2502	if ($@) {
		2503	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2504	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2505	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2506
		2507	if ($gen == $self->{_goto_generation}) {
		2508	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2509	$self->leave_link ($map, $x, $y);
		2510	}
		2511
		2512	$done->() if $done;
1998	})->prio (1);	2513	})->prio (1);
1999	}	2514	}
2000		2515
2001	=item $player_object->enter_exit ($exit_object)	2516	=item $player_object->enter_exit ($exit_object)
2002		2517
…		…
2071	my $hp = $exit->stats->hp;	2586	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2587	my $sp = $exit->stats->sp;
2073		2588
2074	$self->enter_link;	2589	$self->enter_link;
2075		2590
		2591	# if exit is damned, update players death & WoR home-position
		2592	$self->contr->savebed ($slaying, $hp, $sp)
		2593	if $exit->flag (FLAG_DAMNED);
		2594
2076	(async {	2595	(async {
		2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2597
2077	$self->deactivate_recursive; # just to be sure	2598	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2599	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2600	$self->goto ($slaying, $hp, $sp);
2080		2601
2081	1;	2602	1;
…		…
2107		2628
2108	utf8::encode $text;	2629	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2630	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2631	}
2111		2632
		2633	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2634
		2635	Send a drawinfo or msg packet to the client, formatting the msg for the
		2636	client if neccessary. C<$type> should be a string identifying the type of
		2637	the message, with C<log> being the default. If C<$color> is negative, suppress
		2638	the message unless the client supports the msg packet.
		2639
		2640	=cut
		2641
		2642	our %CHANNEL = (
		2643	"c/identify" => {
		2644	id => "infobox",
		2645	title => "Identify",
		2646	reply => undef,
		2647	tooltip => "Items recently identified",
		2648	},
		2649	"c/examine" => {
		2650	id => "infobox",
		2651	title => "Examine",
		2652	reply => undef,
		2653	tooltip => "Signs and other items you examined",
		2654	},
		2655	"c/lookat" => {
		2656	id => "infobox",
		2657	title => "Look",
		2658	reply => undef,
		2659	tooltip => "What you saw there",
		2660	},
		2661	);
		2662
		2663	sub cf::client::send_msg {
		2664	my ($self, $channel, $msg, $color, @extra) = @_;
		2665
		2666	$msg = $self->pl->expand_cfpod ($msg);
		2667
		2668	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2669
		2670	# check predefined channels, for the benefit of C
		2671	if ($CHANNEL{$channel}) {
		2672	$channel = $CHANNEL{$channel};
		2673
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676
		2677	$channel = $channel->{id};
		2678
		2679	} elsif (ref $channel) {
		2680	# send meta info to client, if not yet sent
		2681	unless (exists $self->{channel}{$channel->{id}}) {
		2682	$self->{channel}{$channel->{id}} = $channel;
		2683	$self->ext_msg (channel_info => $channel)
		2684	if $self->can_msg;
		2685	}
		2686
		2687	$channel = $channel->{id};
		2688	}
		2689
		2690	return unless @extra || length $msg;
		2691
		2692	if ($self->can_msg) {
		2693	# default colour, mask it out
		2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2695	if $color & cf::NDI_DEF;
		2696
		2697	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2699	} else {
		2700	if ($color >= 0) {
		2701	# replace some tags by gcfclient-compatible ones
		2702	for ($msg) {
		2703	1 while
		2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2709	}
		2710
		2711	$color &= cf::NDI_COLOR_MASK;
		2712
		2713	utf8::encode $msg;
		2714
		2715	if (0 && $msg =~ /\[/) {
		2716	# COMMAND/INFO
		2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2718	} else {
		2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2720	$self->send_packet ("drawinfo $color $msg")
		2721	}
		2722	}
		2723	}
		2724	}
		2725
2112	=item $client->ext_event ($type, %msg)	2726	=item $client->ext_msg ($type, @msg)
2113		2727
2114	Sends an exti event to the client.	2728	Sends an ext event to the client.
2115		2729
2116	=cut	2730	=cut
2117		2731
2118	sub cf::client::ext_event($$%) {	2732	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2733	my ($self, $type, @msg) = @_;
2120		2734
		2735	if ($self->extcmd == 2) {
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2737	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2738	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
		2742
		2743	=item $client->ext_reply ($msgid, @msg)
		2744
		2745	Sends an ext reply to the client.
		2746
		2747	=cut
		2748
		2749	sub cf::client::ext_reply($$@) {
		2750	my ($self, $id, @msg) = @_;
		2751
		2752	if ($self->extcmd == 2) {
		2753	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2754	} elsif ($self->extcmd == 1) {
		2755	#TODO: version 1, remove
		2756	unshift @msg, msgtype => "reply", msgid => $id;
		2757	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2758	}
2123	}	2759	}
2124		2760
2125	=item $success = $client->query ($flags, "text", \&cb)	2761	=item $success = $client->query ($flags, "text", \&cb)
2126		2762
2127	Queues a query to the client, calling the given callback with	2763	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>,	2764	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>.	2765	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2766
2131	Queries can fail, so check the return code. Or don't, as queries will become	2767	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2768	become reliable at some point in the future.
2133		2769
2134	=cut	2770	=cut
2135		2771
2136	sub cf::client::query {	2772	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2773	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2781	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2782	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2783
2148	$self->send_packet ($self->{query_queue}[0][0])	2784	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2785	if @{ $self->{query_queue} } == 1;
		2786
		2787	1
2150	}	2788	}
2151		2789
2152	cf::client->attach (	2790	cf::client->attach (
		2791	on_connect => sub {
		2792	my ($ns) = @_;
		2793
		2794	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2795	},
2153	on_reply => sub {	2796	on_reply => sub {
2154	my ($ns, $msg) = @_;	2797	my ($ns, $msg) = @_;
2155		2798
2156	# this weird shuffling is so that direct followup queries	2799	# this weird shuffling is so that direct followup queries
2157	# get handled first	2800	# get handled first
…		…
2169	} else {	2812	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2813	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2814	}
2172	}	2815	}
2173	},	2816	},
		2817	on_exticmd => sub {
		2818	my ($ns, $buf) = @_;
		2819
		2820	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2821
		2822	if (ref $msg) {
		2823	my ($type, $reply, @payload) =
		2824	"ARRAY" eq ref $msg
		2825	? @$msg
		2826	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2827
		2828	my @reply;
		2829
		2830	if (my $cb = $EXTICMD{$type}) {
		2831	@reply = $cb->($ns, @payload);
		2832	}
		2833
		2834	$ns->ext_reply ($reply, @reply)
		2835	if $reply;
		2836
		2837	} else {
		2838	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2839	}
		2840
		2841	cf::override;
		2842	},
2174	);	2843	);
2175		2844
2176	=item $client->async (\&cb)	2845	=item $client->async (\&cb)
2177		2846
2178	Create a new coroutine, running the specified callback. The coroutine will	2847	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	2888	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	2889	our $safe_hole = new Safe::Hole;
2221		2890
2222	$SIG{FPE} = 'IGNORE';	2891	$SIG{FPE} = 'IGNORE';
2223		2892
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2893	$safe->permit_only (Opcode::opset qw(
		2894	:base_core :base_mem :base_orig :base_math
		2895	grepstart grepwhile mapstart mapwhile
		2896	sort time
		2897	));
2225		2898
2226	# here we export the classes and methods available to script code	2899	# here we export the classes and methods available to script code
2227		2900
2228	=pod	2901	=pod
2229		2902
2230	The following functions and methods are available within a safe environment:	2903	The following functions and methods are available within a safe environment:
2231		2904
2232	cf::object contr pay_amount pay_player map	2905	cf::object
		2906	contr pay_amount pay_player map x y force_find force_add destroy
		2907	insert remove name archname title slaying race decrease_ob_nr
		2908
2233	cf::object::player player	2909	cf::object::player
2234	cf::player peaceful	2910	player
2235	cf::map trigger	2911
		2912	cf::player
		2913	peaceful
		2914
		2915	cf::map
		2916	trigger
2236		2917
2237	=cut	2918	=cut
2238		2919
2239	for (	2920	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2922	insert remove inv name archname title slaying race
		2923	decrease_ob_nr destroy)],
2241	["cf::object::player" => qw(player)],	2924	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	2925	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	2926	["cf::map" => qw(trigger)],
2244	) {	2927	) {
2245	no strict 'refs';	2928	no strict 'refs';
…		…
2316	=back	2999	=back
2317		3000
2318	=cut	3001	=cut
2319		3002
2320	#############################################################################	3003	#############################################################################
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 $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3004	# the server's init and main functions
2496		3005
2497	sub load_facedata($) {	3006	sub load_facedata($) {
2498	my ($path) = @_;	3007	my ($path) = @_;
		3008
		3009	# HACK to clear player env face cache, we need some signal framework
		3010	# for this (global event?)
		3011	%ext::player_env::MUSIC_FACE_CACHE = ();
		3012
		3013	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3014
2500	warn "loading facedata from $path\n";	3015	warn "loading facedata from $path\n";
2501		3016
2502	my $facedata;	3017	my $facedata;
2503	0 < aio_load $path, $facedata	3018	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3021	$facedata = Coro::Storable::thaw $facedata;
2507		3022
2508	$facedata->{version} == 2	3023	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3024	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3025
		3026	# patch in the exptable
		3027	$facedata->{resource}{"res/exp_table"} = {
		3028	type => FT_RSRC,
		3029	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3030	};
		3031	cf::cede_to_tick;
		3032
2511	{	3033	{
2512	my $faces = $facedata->{faceinfo};	3034	my $faces = $facedata->{faceinfo};
2513		3035
2514	while (my ($face, $info) = each %$faces) {	3036	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3038	cf::face::set_visibility $idx, $info->{visibility};
		3039	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3042
		3043	cf::cede_to_tick;
2520	}	3044	}
2521		3045
2522	while (my ($face, $info) = each %$faces) {	3046	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3047	next unless $info->{smooth};
2524	my $idx = cf::face::find $face	3048	my $idx = cf::face::find $face
2525	or next;	3049	or next;
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3050	if (my $smooth = cf::face::find $info->{smooth}) {
		3051	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3053	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3054	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3055	}
2531	Coro::cede;	3056
		3057	cf::cede_to_tick;
2532	}	3058	}
2533	}	3059	}
2534		3060
2535	{	3061	{
2536	my $anims = $facedata->{animinfo};	3062	my $anims = $facedata->{animinfo};
2537		3063
2538	while (my ($anim, $info) = each %$anims) {	3064	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3065	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3066	cf::cede_to_tick;
2541	}	3067	}
2542		3068
2543	cf::anim::invalidate_all; # d'oh	3069	cf::anim::invalidate_all; # d'oh
2544	}	3070	}
2545		3071
		3072	{
		3073	# TODO: for gcfclient pleasure, we should give resources
		3074	# that gcfclient doesn't grok a >10000 face index.
		3075	my $res = $facedata->{resource};
		3076
		3077	my $soundconf = delete $res->{"res/sound.conf"};
		3078
		3079	while (my ($name, $info) = each %$res) {
		3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3081	my $data;
		3082
		3083	if ($info->{type} & 1) {
		3084	# prepend meta info
		3085
		3086	my $meta = $enc->encode ({
		3087	name => $name,
		3088	%{ $info->{meta} || {} },
		3089	});
		3090
		3091	$data = pack "(w/a*)*", $meta, $info->{data};
		3092	} else {
		3093	$data = $info->{data};
		3094	}
		3095
		3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3097	cf::face::set_type $idx, $info->{type};
		3098
		3099	cf::cede_to_tick;
		3100	}
		3101
		3102	if ($soundconf) {
		3103	$soundconf = $enc->decode (delete $soundconf->{data});
		3104
		3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3106	my $sound = $soundconf->{compat}[$_]
		3107	or next;
		3108
		3109	my $face = cf::face::find "sound/$sound->[1]";
		3110	cf::sound::set $sound->[0] => $face;
		3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3112	}
		3113
		3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3115	my $face = cf::face::find "sound/$v";
		3116	cf::sound::set $k => $face;
		3117	}
		3118	}
		3119	}
		3120
2546	1	3121	1
2547	}	3122	}
2548		3123
		3124	register_exticmd fx_want => sub {
		3125	my ($ns, $want) = @_;
		3126
		3127	while (my ($k, $v) = each %$want) {
		3128	$ns->fx_want ($k, $v);
		3129	}
		3130	};
		3131
2549	sub reload_regions {	3132	sub reload_regions {
		3133	# HACK to clear player env face cache, we need some signal framework
		3134	# for this (global event?)
		3135	%ext::player_env::MUSIC_FACE_CACHE = ();
		3136
2550	load_resource_file "$MAPDIR/regions"	3137	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3138	or die "unable to load regions file\n";
		3139
		3140	for (cf::region::list) {
		3141	$_->{match} = qr/$_->{match}/
		3142	if exists $_->{match};
		3143	}
2552	}	3144	}
2553		3145
2554	sub reload_facedata {	3146	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3147	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3148	or die "unable to load facedata\n";
2557	}	3149	}
2558		3150
2559	sub reload_archetypes {	3151	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	3152	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	3153	or die "unable to load archetypes\n";
		3154	#d# NEED to laod twice to resolve forward references
		3155	# this really needs to be done in an extra post-pass
		3156	# (which needs to be synchronous, so solve it differently)
		3157	load_resource_file "$DATADIR/archetypes"
		3158	or die "unable to load archetypes\n";
2562	}	3159	}
2563		3160
2564	sub reload_treasures {	3161	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3162	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3163	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	3166	sub reload_resources {
2570	warn "reloading resource files...\n";	3167	warn "reloading resource files...\n";
2571		3168
2572	reload_regions;	3169	reload_regions;
2573	reload_facedata;	3170	reload_facedata;
		3171	#reload_archetypes;#d#
2574	reload_archetypes;	3172	reload_archetypes;
2575	reload_treasures;	3173	reload_treasures;
2576		3174
2577	warn "finished reloading resource files\n";	3175	warn "finished reloading resource files\n";
2578	}	3176	}
2579		3177
2580	sub init {	3178	sub init {
2581	reload_resources;	3179	reload_resources;
2582	}	3180	}
2583		3181
2584	sub cfg_load {	3182	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3183	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3184	or return;
2587		3185
2588	local $/;	3186	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3187	*CFG = YAML::Syck::Load <$fh>;
…		…
2605	sub main {	3203	sub main {
2606	# we must not ever block the main coroutine	3204	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3205	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3207	(async {
		3208	$Coro::current->{desc} = "IDLE BUG HANDLER";
2610	Event::one_event;	3209	Event::one_event;
2611	})->prio (Coro::PRIO_MAX);	3210	})->prio (Coro::PRIO_MAX);
2612	};	3211	};
2613		3212
2614	cfg_load;	3213	reload_config;
2615	db_init;	3214	db_init;
2616	load_extensions;	3215	load_extensions;
2617		3216
2618	$TICK_WATCHER->start;	3217	$TICK_WATCHER->start;
2619	Event::loop;	3218	Event::loop;
…		…
2635	},	3234	},
2636	);	3235	);
2637	}	3236	}
2638	}	3237	}
2639		3238
		3239	sub write_runtime {
		3240	my $runtime = "$LOCALDIR/runtime";
		3241
		3242	# first touch the runtime file to show we are still running:
		3243	# the fsync below can take a very very long time.
		3244
		3245	IO::AIO::aio_utime $runtime, undef, undef;
		3246
		3247	my $guard = cf::lock_acquire "write_runtime";
		3248
		3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3250	or return;
		3251
		3252	my $value = $cf::RUNTIME + 90 + 10;
		3253	# 10 is the runtime save interval, for a monotonic clock
		3254	# 60 allows for the watchdog to kill the server.
		3255
		3256	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3257	and return;
		3258
		3259	# always fsync - this file is important
		3260	aio_fsync $fh
		3261	and return;
		3262
		3263	# touch it again to show we are up-to-date
		3264	aio_utime $fh, undef, undef;
		3265
		3266	close $fh
		3267	or return;
		3268
		3269	aio_rename "$runtime~", $runtime
		3270	and return;
		3271
		3272	warn "runtime file written.\n";
		3273
		3274	1
		3275	}
		3276
2640	sub emergency_save() {	3277	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3278	my $freeze_guard = cf::freeze_mainloop;
2642		3279
2643	warn "enter emergency perl save\n";	3280	warn "enter emergency perl save\n";
2644		3281
…		…
2648	# and maps saved/destroyed asynchronously.	3285	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3286	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3287	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3288	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3289	$pl->valid or next;
		3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3291	$pl->save;
2654	}	3292	}
2655	warn "end emergency player save\n";	3293	warn "end emergency player save\n";
2656		3294
2657	warn "begin emergency map save\n";	3295	warn "begin emergency map save\n";
…		…
2719	%EXT_CORO = ();	3357	%EXT_CORO = ();
2720		3358
2721	warn "removing commands";	3359	warn "removing commands";
2722	%COMMAND = ();	3360	%COMMAND = ();
2723		3361
2724	warn "removing ext commands";	3362	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3363	%EXTCMD = ();
		3364	%EXTICMD = ();
2726		3365
2727	warn "unloading/nuking all extensions";	3366	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3367	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3368	warn "... unloading $pkg";
2730		3369
…		…
2773	warn "reloading cf.pm";	3412	warn "reloading cf.pm";
2774	require cf;	3413	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3415
2777	warn "loading config and database again";	3416	warn "loading config and database again";
2778	cf::cfg_load;	3417	cf::reload_config;
2779		3418
2780	warn "loading extensions";	3419	warn "loading extensions";
2781	cf::load_extensions;	3420	cf::load_extensions;
2782		3421
2783	warn "reattaching attachments to objects/players";	3422	warn "reattaching attachments to objects/players";
…		…
2819	register_command "reload" => sub {	3458	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3459	my ($who, $arg) = @_;
2821		3460
2822	if ($who->flag (FLAG_WIZ)) {	3461	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3462	$who->message ("reloading server.");
		3463	async {
		3464	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3465	reload_perl;
		3466	};
2825	}	3467	}
2826	};	3468	};
2827		3469
2828	unshift @INC, $LIBDIR;	3470	unshift @INC, $LIBDIR;
2829		3471
…		…
2871	$NEXT_TICK += $TICK;	3513	$NEXT_TICK += $TICK;
2872		3514
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3516	$NEXT_RUNTIME_WRITE = $NOW + 10;
2875	Coro::async_pool {	3517	Coro::async_pool {
		3518	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3519	write_runtime
2877	or warn "ERROR: unable to write runtime file: $!";	3520	or warn "ERROR: unable to write runtime file: $!";
2878	};	3521	};
2879	}	3522	}
2880		3523
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3525	$sig->send;
2886	}	3526	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3527	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3528	$sig->send;
…		…
2898		3538
2899	$LOAD = ($NOW - $tick_start) / $TICK;	3539	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3541
2902	_post_tick;	3542	_post_tick;
2903
2904
2905	},	3543	},
2906	);	3544	);
2907		3545
2908	{	3546	{
		3547	BDB::min_parallel 8;
2909	BDB::max_poll_time $TICK * 0.1;	3548	BDB::max_poll_time $TICK * 0.1;
2910	$BDB_POLL_WATCHER = Event->io (	3549	$BDB_POLL_WATCHER = Event->io (
2911	reentrant => 0,	3550	reentrant => 0,
2912	fd => BDB::poll_fileno,	3551	fd => BDB::poll_fileno,
2913	poll => 'r',	3552	poll => 'r',
2914	prio => 0,	3553	prio => 0,
2915	data => WF_AUTOCANCEL,	3554	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,	3555	cb => \&BDB::poll_cb,
2917	);	3556	);
2918	BDB::min_parallel 8;
2919		3557
2920	BDB::set_sync_prepare {	3558	BDB::set_sync_prepare {
2921	my $status;	3559	my $status;
2922	my $current = $Coro::current;	3560	my $current = $Coro::current;
2923	(	3561	(
…		…
2932	)	3570	)
2933	};	3571	};
2934		3572
2935	unless ($DB_ENV) {	3573	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3574	$DB_ENV = BDB::db_env_create;
		3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3576	| BDB::LOG_AUTOREMOVE, 1);
		3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3579
2938	cf::sync_job {	3580	cf::sync_job {
2939	eval {	3581	eval {
2940	BDB::db_env_open	3582	BDB::db_env_open
2941	$DB_ENV,	3583	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3587	0666;
2946		3588
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3589	cf::cleanup "db_env_open($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	};	3590	};
2952		3591
2953	cf::cleanup "db_env_open(db): $@" if $@;	3592	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3593	};
2955	}	3594	}
		3595
		3596	$BDB_DEADLOCK_WATCHER = Event->timer (
		3597	after => 3,
		3598	interval => 1,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3607	after => 11,
		3608	interval => 60,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3614	},
		3615	);
		3616	$BDB_TRICKLE_WATCHER = Event->timer (
		3617	after => 5,
		3618	interval => 10,
		3619	hard => 1,
		3620	prio => 0,
		3621	data => WF_AUTOCANCEL,
		3622	cb => sub {
		3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3624	},
		3625	);
2956	}	3626	}
2957		3627
2958	{	3628	{
2959	IO::AIO::min_parallel 8;	3629	IO::AIO::min_parallel 8;
2960		3630
…		…
2963	$AIO_POLL_WATCHER = Event->io (	3633	$AIO_POLL_WATCHER = Event->io (
2964	reentrant => 0,	3634	reentrant => 0,
2965	data => WF_AUTOCANCEL,	3635	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,	3636	fd => IO::AIO::poll_fileno,
2967	poll => 'r',	3637	poll => 'r',
2968	prio => 6,	3638	prio => 0,
2969	cb => \&IO::AIO::poll_cb,	3639	cb => \&IO::AIO::poll_cb,
2970	);	3640	);
2971	}	3641	}
2972		3642
2973	my $_log_backtrace;	3643	my $_log_backtrace;
…		…
2979		3649
2980	# limit the # of concurrent backtraces	3650	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3651	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3652	++$_log_backtrace;
2983	async {	3653	async {
		3654	$Coro::current->{desc} = "abt $msg";
		3655
2984	my @bt = fork_call {	3656	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3657	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3658	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3659	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3660	or die "addr2line: $!";

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