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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.386 by root, Mon Oct 15 17:50:27 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	sub _object_equal($$);
		973	sub _object_equal($$) {
		974	my ($a, $b) = @_;
		975
		976	return 0 unless (ref $a) eq (ref $b);
		977
		978	if ("HASH" eq ref $a) {
		979	my @ka = keys %$a;
		980	my @kb = keys %$b;
		981
		982	return 0 if @ka != @kb;
		983
		984	for (0 .. $#ka) {
		985	return 0 unless $ka[$_] eq $kb[$_];
		986	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		987	}
		988
		989	} elsif ("ARRAY" eq ref $a) {
		990
		991	return 0 if @$a != @$b;
		992
		993	for (0 .. $#$a) {
		994	return 0 unless _object_equal $a->[$_], $b->[$_];
		995	}
		996
		997	} elsif ($a ne $b) {
		998	return 0;
		999	}
		1000
		1001	1
		1002	}
		1003
		1004	our $SLOW_MERGES;#d#
		1005	sub _can_merge {
		1006	my ($ob1, $ob2) = @_;
		1007
		1008	++$SLOW_MERGES;#d#
		1009
		1010	# we do the slow way here
		1011	return _object_equal $ob1, $ob2
		1012	}
767		1013
768	sub reattach {	1014	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1015	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1016	my ($obj) = @_;
771		1017
…		…
818	sub object_freezer_save {	1064	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1065	my ($filename, $rdata, $objs) = @_;
820		1066
821	sync_job {	1067	sync_job {
822	if (length $$rdata) {	1068	if (length $$rdata) {
		1069	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1070	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1071	$decname, length $$rdata, scalar @$objs;
825		1072
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1074	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1076	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1077	close $fh;
831		1078
832	if (@$objs) {	1079	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1081	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1083	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1084	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1085	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1086	aio_rename "$filename.pst~", "$filename.pst";
840	}	1087	}
…		…
848	}	1095	}
849	} else {	1096	} else {
850	aio_unlink $filename;	1097	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1098	aio_unlink "$filename.pst";
852	}	1099	}
853	}	1100	};
854	}	1101	}
855		1102
856	sub object_freezer_as_string {	1103	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1104	my ($rdata, $objs) = @_;
858		1105
…		…
870	or return;	1117	or return;
871		1118
872	unless (aio_stat "$filename.pst") {	1119	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1120	(aio_load "$filename.pst", $av) >= 0
874	or return;	1121	or return;
875	$av = eval { (Storable::thaw $av)->{objs} };
876	}
877		1122
		1123	my $st = eval { Coro::Storable::thaw $av }
		1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1125	$av = $st->{objs};
		1126	}
		1127
		1128	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1129	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1130	$decname, length $data, scalar @{$av || []};
		1131
880	return ($data, $av);	1132	($data, $av)
881	}	1133	}
		1134
		1135	=head2 COMMAND CALLBACKS
		1136
		1137	=over 4
		1138
		1139	=cut
882		1140
883	#############################################################################	1141	#############################################################################
884	# command handling &c	1142	# command handling &c
885		1143
886	=item cf::register_command $name => \&callback($ob,$args);	1144	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1157	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1158	}
901		1159
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1160	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1161
904	Register a callbackf ro execution when the client sends an extcmd packet.	1162	Register a callback for execution when the client sends an (synchronous)
		1163	extcmd packet. Ext commands will be processed in the order they are
		1164	received by the server, like other user commands. The first argument is
		1165	the logged-in player. Ext commands can only be processed after a player
		1166	has logged in successfully.
905		1167
906	If the callback returns something, it is sent back as if reply was being	1168	If the callback returns something, it is sent back as if reply was being
907	called.	1169	called.
908		1170
		1171	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1172
		1173	Register a callback for execution when the client sends an (asynchronous)
		1174	exticmd packet. Exti commands are processed by the server as soon as they
		1175	are received, i.e. out of order w.r.t. other commands. The first argument
		1176	is a client socket. Exti commands can be received anytime, even before
		1177	log-in.
		1178
		1179	If the callback returns something, it is sent back as if reply was being
		1180	called.
		1181
909	=cut	1182	=cut
910		1183
911	sub register_extcmd {	1184	sub register_extcmd {
912	my ($name, $cb) = @_;	1185	my ($name, $cb) = @_;
913		1186
914	$EXTCMD{$name} = $cb;	1187	$EXTCMD{$name} = $cb;
		1188	}
		1189
		1190	sub register_exticmd {
		1191	my ($name, $cb) = @_;
		1192
		1193	$EXTICMD{$name} = $cb;
915	}	1194	}
916		1195
917	cf::player->attach (	1196	cf::player->attach (
918	on_command => sub {	1197	on_command => sub {
919	my ($pl, $name, $params) = @_;	1198	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1207	cf::override;
929	},	1208	},
930	on_extcmd => sub {	1209	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1210	my ($pl, $buf) = @_;
932		1211
933	my $msg = eval { from_json $buf };	1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1213
935	if (ref $msg) {	1214	if (ref $msg) {
		1215	my ($type, $reply, @payload) =
		1216	"ARRAY" eq ref $msg
		1217	? @$msg
		1218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1219
		1220	my @reply;
		1221
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1222	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1223	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1224	}
		1225
		1226	$pl->ext_reply ($reply, @reply)
		1227	if $reply;
		1228
941	} else {	1229	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1231	}
944		1232
945	cf::override;	1233	cf::override;
946	},	1234	},
947	);	1235	);
948		1236
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 {	1237	sub load_extensions {
		1238	cf::sync_job {
		1239	my %todo;
		1240
984	for my $ext (<$LIBDIR/*.ext>) {	1241	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1242	next unless -r $path;
986	eval {	1243
987	load_extension $ext;	1244	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1245	my $base = $1;
		1246	my $pkg = $1;
		1247	$pkg =~ s/[^[:word:]]/_/g;
		1248	$pkg = "ext::$pkg";
		1249
		1250	open my $fh, "<:utf8", $path
		1251	or die "$path: $!";
		1252
		1253	my $source = do { local $/; <$fh> };
		1254
		1255	my %ext = (
		1256	path => $path,
		1257	base => $base,
		1258	pkg => $pkg,
		1259	);
		1260
		1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1263
		1264	$ext{source} =
		1265	"package $pkg; use strict; use utf8;\n"
		1266	. "#line 1 \"$path\"\n{\n"
		1267	. $source
		1268	. "\n};\n1";
		1269
		1270	$todo{$base} = \%ext;
		1271	}
		1272
		1273	my %done;
		1274	while (%todo) {
		1275	my $progress;
		1276
		1277	while (my ($k, $v) = each %todo) {
		1278	for (split /,\s*/, $v->{meta}{depends}) {
		1279	goto skip
		1280	unless exists $done{$_};
		1281	}
		1282
		1283	warn "... loading '$k' into '$v->{pkg}'\n";
		1284
		1285	unless (eval $v->{source}) {
		1286	my $msg = $@ ? "$v->{path}: $@\n"
		1287	: "$v->{base}: extension inactive.\n";
		1288
		1289	if (exists $v->{meta}{mandatory}) {
		1290	warn $msg;
		1291	warn "mandatory extension failed to load, exiting.\n";
		1292	exit 1;
		1293	}
		1294
		1295	warn $msg;
		1296	}
		1297
		1298	$done{$k} = delete $todo{$k};
		1299	push @EXTS, $v->{pkg};
		1300	$progress = 1;
988	1	1301	}
989	} or warn "$ext not loaded: $@";	1302
		1303	skip:
		1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1305	unless $progress;
		1306	}
990	}	1307	};
991	}	1308	}
992		1309
993	#############################################################################	1310	#############################################################################
994		1311
		1312	=back
		1313
995	=head2 CORE EXTENSIONS	1314	=head2 CORE EXTENSIONS
996		1315
997	Functions and methods that extend core crossfire objects.	1316	Functions and methods that extend core crossfire objects.
998		1317
999	=cut	1318	=cut
…		…
1003	use Coro::AIO;	1322	use Coro::AIO;
1004		1323
1005	=head3 cf::player	1324	=head3 cf::player
1006		1325
1007	=over 4	1326	=over 4
		1327
		1328	=item cf::player::num_playing
		1329
		1330	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1331
		1332	=cut
		1333
		1334	sub num_playing {
		1335	scalar grep
		1336	$_->ob->map
		1337	&& !$_->hidden
		1338	&& !$_->ob->flag (cf::FLAG_WIZ),
		1339	cf::player::list
		1340	}
1008		1341
1009	=item cf::player::find $login	1342	=item cf::player::find $login
1010		1343
1011	Returns the given player object, loading it if necessary (might block).	1344	Returns the given player object, loading it if necessary (might block).
1012		1345
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1381	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1382	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1383	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1384	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1385
1053	my $pl = load_pl path $login	1386	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1387	or return;
		1388
		1389	my $pl = cf::player::load_pl $f
		1390	or return;
		1391	local $cf::PLAYER_LOADING{$login} = $pl;
		1392	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1393	$cf::PLAYER{$login} = $pl
1056	}	1394	}
1057	}	1395	}
1058	}	1396	}
1059		1397
…		…
1069		1407
1070	aio_mkdir playerdir $pl, 0770;	1408	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1409	$pl->{last_save} = $cf::RUNTIME;
1072		1410
1073	$pl->save_pl ($path);	1411	$pl->save_pl ($path);
1074	Coro::cede;	1412	cf::cede_to_tick;
1075	}	1413	}
1076		1414
1077	sub new($) {	1415	sub new($) {
1078	my ($login) = @_;	1416	my ($login) = @_;
1079		1417
…		…
1083	$self->{deny_save} = 1;	1421	$self->{deny_save} = 1;
1084		1422
1085	$cf::PLAYER{$login} = $self;	1423	$cf::PLAYER{$login} = $self;
1086		1424
1087	$self	1425	$self
		1426	}
		1427
		1428	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1429
		1430	=cut
		1431
		1432	sub send_msg {
		1433	my $ns = shift->ns
		1434	or return;
		1435	$ns->send_msg (@_);
1088	}	1436	}
1089		1437
1090	=item $pl->quit_character	1438	=item $pl->quit_character
1091		1439
1092	Nukes the player without looking back. If logged in, the connection will	1440	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1495	or return [];
1148		1496
1149	my @logins;	1497	my @logins;
1150		1498
1151	for my $login (@$dirs) {	1499	for my $login (@$dirs) {
		1500	my $path = path $login;
		1501
		1502	# a .pst is a dead give-away for a valid player
		1503	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1505	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1506	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1507	}
1155		1508
1156	utf8::decode $login;	1509	utf8::decode $login;
1157	push @logins, $login;	1510	push @logins, $login;
1158	}	1511	}
1159		1512
…		…
1186	}	1539	}
1187		1540
1188	\@paths	1541	\@paths
1189	}	1542	}
1190		1543
		1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1545
		1546	Expand crossfire pod fragments into protocol xml.
		1547
		1548	=cut
		1549
		1550	sub expand_cfpod {
		1551	((my $self), (local $_)) = @_;
		1552
		1553	# escape & and <
		1554	s/&/&amp;/g;
		1555	s/(?<![BIUGHT])</&lt;/g;
		1556
		1557	# this is buggy, it needs to properly take care of nested <'s
		1558
		1559	1 while
		1560	# replace B<>, I<>, U<> etc.
		1561	s/B<([^\>]*)>/<b>$1<\/b>/
		1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1565	# replace G<male|female> tags
		1566	|| s{G<([^>|]*)\|([^>]*)>}{
		1567	$self->gender ? $2 : $1
		1568	}ge
		1569	# replace H<hint text>
		1570	|| s{H<([^\>]*)>}
		1571	{
		1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1574	"")
		1575	[$self->{hintmode}]
		1576	}ge;
		1577
		1578	# create single paragraphs (very hackish)
		1579	s/(?<=\S)\n(?=\w)/ /g;
		1580
		1581	# compress some whitespace
		1582	s/\s+\n/\n/g; # ws line-ends
		1583	s/\n\n+/\n/g; # double lines
		1584	s/^\n+//; # beginning lines
		1585	s/\n+$//; # ending lines
		1586
		1587	$_
		1588	}
		1589
		1590	sub hintmode {
		1591	$_[0]{hintmode} = $_[1] if @_ > 1;
		1592	$_[0]{hintmode}
		1593	}
		1594
1191	=item $player->ext_reply ($msgid, %msg)	1595	=item $player->ext_reply ($msgid, @msg)
1192		1596
1193	Sends an ext reply to the player.	1597	Sends an ext reply to the player.
1194		1598
1195	=cut	1599	=cut
1196		1600
1197	sub ext_reply($$%) {	1601	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1602	my ($self, $id, @msg) = @_;
1199		1603
1200	$msg{msgid} = $id;	1604	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1605	}
1204		1606
1205	=item $player->ext_event ($type, %msg)	1607	=item $player->ext_msg ($type, @msg)
1206		1608
1207	Sends an ext event to the client.	1609	Sends an ext event to the client.
1208		1610
1209	=cut	1611	=cut
1210		1612
1211	sub ext_event($$%) {	1613	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1614	my ($self, $type, @msg) = @_;
1213		1615
1214	$self->ns->ext_event ($type, %msg);	1616	$self->ns->ext_msg ($type, @msg);
1215	}	1617	}
1216		1618
1217	=head3 cf::region	1619	=head3 cf::region
1218		1620
1219	=over 4	1621	=over 4
…		…
1222		1624
1223	package cf::region;	1625	package cf::region;
1224		1626
1225	=item cf::region::find_by_path $path	1627	=item cf::region::find_by_path $path
1226		1628
1227	Tries to decuce the probable region for a map knowing only its path.	1629	Tries to decuce the likely region for a map knowing only its path.
1228		1630
1229	=cut	1631	=cut
1230		1632
1231	sub find_by_path($) {	1633	sub find_by_path($) {
1232	my ($path) = @_;	1634	my ($path) = @_;
1233		1635
1234	my ($match, $specificity);	1636	my ($match, $specificity);
1235		1637
1236	for my $region (list) {	1638	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1639	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1640	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1641	if $region->specificity > $specificity;
1240	}	1642	}
1241	}	1643	}
1242		1644
…		…
1306	my ($self, $merge) = @_;	1708	my ($self, $merge) = @_;
1307		1709
1308	# we have to keep some variables in memory intact	1710	# we have to keep some variables in memory intact
1309	local $self->{path};	1711	local $self->{path};
1310	local $self->{load_path};	1712	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1713
1314	$self->SUPER::thawer_merge ($merge);	1714	$self->SUPER::thawer_merge ($merge);
1315	}	1715	}
1316		1716
1317	sub normalise {	1717	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1764	$self->init; # pass $1 etc.
1365	return $self;	1765	return $self;
1366	}	1766	}
1367	}	1767	}
1368		1768
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1769	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1770	()
1371	}	1771	}
1372		1772
1373	sub init {	1773	sub init {
1374	my ($self) = @_;	1774	my ($self) = @_;
…		…
1417		1817
1418	$_->change_map_light ($change)	1818	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1819	for grep $_->outdoor, values %cf::MAP;
1420	}	1820	}
1421		1821
		1822	sub decay_objects {
		1823	my ($self) = @_;
		1824
		1825	return if $self->{deny_reset};
		1826
		1827	$self->do_decay_objects;
		1828	}
		1829
1422	sub unlink_save {	1830	sub unlink_save {
1423	my ($self) = @_;	1831	my ($self) = @_;
1424		1832
1425	utf8::encode (my $save = $self->save_path);	1833	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1834	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1837
1430	sub load_header_from($) {	1838	sub load_header_from($) {
1431	my ($self, $path) = @_;	1839	my ($self, $path) = @_;
1432		1840
1433	utf8::encode $path;	1841	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1842	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1843	or return;
		1844
		1845	$self->_load_header ($f)
		1846	or return;
		1847
		1848	local $MAP_LOADING{$self->{path}} = $self;
		1849	$f->resolve_delayed_derefs;
1439		1850
1440	$self->{load_path} = $path;	1851	$self->{load_path} = $path;
1441		1852
1442	1	1853	1
1443	}	1854	}
…		…
1482	$self->load_header_orig	1893	$self->load_header_orig
1483	or return;	1894	or return;
1484	$self->prepare_orig;	1895	$self->prepare_orig;
1485	}	1896	}
1486		1897
		1898	$self->{deny_reset} = 1
		1899	if $self->no_reset;
		1900
1487	$self->default_region (cf::region::find_by_path $self->{path})	1901	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1902	unless $self->default_region;
1489		1903
1490	1	1904	1
1491	}	1905	}
…		…
1494	sub find {	1908	sub find {
1495	my ($path, $origin) = @_;	1909	my ($path, $origin) = @_;
1496		1910
1497	$path = normalise $path, $origin && $origin->path;	1911	$path = normalise $path, $origin && $origin->path;
1498		1912
		1913	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1914	cf::lock_wait "map_find:$path";
1500		1915
1501	$cf::MAP{$path} || do {	1916	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1917	my $guard1 = cf::lock_acquire "map_find:$path";
		1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1919
1503	my $map = new_from_path cf::map $path	1920	my $map = new_from_path cf::map $path
1504	or return;	1921	or return;
1505		1922
1506	$map->{last_save} = $cf::RUNTIME;	1923	$map->{last_save} = $cf::RUNTIME;
1507		1924
1508	$map->load_header	1925	$map->load_header
1509	or return;	1926	or return;
1510		1927
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1929	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1930	#$cf::WAIT_FOR_TICK->wait;
		1931	undef $guard1;
		1932	undef $guard2;
1514	$map->reset;	1933	$map->reset;
1515	undef $guard;
1516	return find $path;	1934	return find $path;
1517	}	1935	}
1518		1936
1519	$cf::MAP{$path} = $map	1937	$cf::MAP{$path} = $map
1520	}	1938	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1947	local $self->{deny_reset} = 1; # loading can take a long time
1530		1948
1531	my $path = $self->{path};	1949	my $path = $self->{path};
1532		1950
1533	{	1951	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1952	my $guard = cf::lock_acquire "map_data:$path";
1535		1953
		1954	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1955	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1956
1538	$self->in_memory (cf::MAP_LOADING);	1957	$self->in_memory (cf::MAP_LOADING);
1539		1958
1540	$self->alloc;	1959	$self->alloc;
1541		1960
1542	$self->pre_load;	1961	$self->pre_load;
1543	Coro::cede;	1962	cf::cede_to_tick;
1544		1963
		1964	my $f = new_from_file cf::object::thawer $self->{load_path};
		1965	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	1966	$self->_load_objects ($f)
1546	or return;	1967	or return;
1547		1968
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	1970	if delete $self->{load_original};
1550		1971
1551	if (my $uniq = $self->uniq_path) {	1972	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	1973	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	1974	unless (aio_stat $uniq) {
		1975	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	1976	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1977	$self->_load_objects ($f);
		1978	$f->resolve_delayed_derefs;
		1979	}
1556	}	1980	}
1557	}	1981	}
1558		1982
1559	Coro::cede;	1983	$f->resolve_delayed_derefs;
		1984
		1985	cf::cede_to_tick;
1560	# now do the right thing for maps	1986	# now do the right thing for maps
1561	$self->link_multipart_objects;	1987	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1988	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1989	unless $self->difficulty;
1564	Coro::cede;	1990	cf::cede_to_tick;
1565		1991
1566	unless ($self->{deny_activate}) {	1992	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1993	$self->decay_objects;
1568	$self->fix_auto_apply;	1994	$self->fix_auto_apply;
1569	$self->update_buttons;	1995	$self->update_buttons;
1570	Coro::cede;	1996	cf::cede_to_tick;
1571	$self->set_darkness_map;	1997	$self->set_darkness_map;
1572	Coro::cede;	1998	cf::cede_to_tick;
1573	$self->activate;	1999	$self->activate;
1574	}	2000	}
		2001
		2002	$self->{last_save} = $cf::RUNTIME;
		2003	$self->last_access ($cf::RUNTIME);
1575		2004
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2005	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2006	}
1578		2007
1579	$self->post_load;	2008	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2012	my ($self, $ob) = @_;
1584		2013
1585	return find "~" . $ob->name . "/" . $self->{path}	2014	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2015	if $self->per_player;
1587		2016
		2017	# return find "?party/" . $ob->name . "/" . $self->{path}
		2018	# if $self->per_party;
		2019
1588	$self	2020	$self
1589	}	2021	}
1590		2022
1591	# find and load all maps in the 3x3 area around a map	2023	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2024	sub load_neighbours {
1593	my ($map) = @_;	2025	my ($map) = @_;
1594		2026
1595	my @diag; # diagonal neighbours	2027	my @neigh; # diagonal neighbours
1596		2028
1597	for (0 .. 3) {	2029	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2030	my $neigh = $map->tile_path ($_)
1599	or next;	2031	or next;
1600	$neigh = find $neigh, $map	2032	$neigh = find $neigh, $map
1601	or next;	2033	or next;
1602	$neigh->load;	2034	$neigh->load;
1603		2035
		2036	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2039	}
1607		2040
1608	for (@diag) {	2041	for (grep defined $_->[0], @neigh) {
		2042	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2043	my $neigh = find $path, $origin
1610	or next;	2044	or next;
1611	$neigh->load;	2045	$neigh->load;
1612	}	2046	}
1613	}	2047	}
1614		2048
…		…
1619	}	2053	}
1620		2054
1621	sub do_load_sync {	2055	sub do_load_sync {
1622	my ($map) = @_;	2056	my ($map) = @_;
1623		2057
		2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2059	if $Coro::current == $Coro::main;
		2060
1624	cf::sync_job { $map->load };	2061	cf::sync_job { $map->load };
1625	}	2062	}
1626		2063
1627	our %MAP_PREFETCH;	2064	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2065	our $MAP_PREFETCHER = undef;
1629		2066
1630	sub find_async {	2067	sub find_async {
1631	my ($path, $origin) = @_;	2068	my ($path, $origin, $load) = @_;
1632		2069
1633	$path = normalise $path, $origin && $origin->{path};	2070	$path = normalise $path, $origin && $origin->{path};
1634		2071
1635	if (my $map = $cf::MAP{$path}) {	2072	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2074	}
1638		2075
1639	undef $MAP_PREFETCH{$path};	2076	$MAP_PREFETCH{$path} |= $load;
		2077
1640	$MAP_PREFETCHER ||= cf::async {	2078	$MAP_PREFETCHER ||= cf::async {
		2079	$Coro::current->{desc} = "map prefetcher";
		2080
1641	while (%MAP_PREFETCH) {	2081	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2082	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2083	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2084	$map->load if $v;
		2085	}
1646		2086
1647	delete $MAP_PREFETCH{$path};	2087	delete $MAP_PREFETCH{$k};
1648	}	2088	}
1649	}	2089	}
1650	undef $MAP_PREFETCHER;	2090	undef $MAP_PREFETCHER;
1651	};	2091	};
1652	$MAP_PREFETCHER->prio (6);	2092	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2095	}
1656		2096
1657	sub save {	2097	sub save {
1658	my ($self) = @_;	2098	my ($self) = @_;
1659		2099
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2101
1662	$self->{last_save} = $cf::RUNTIME;	2102	$self->{last_save} = $cf::RUNTIME;
1663		2103
1664	return unless $self->dirty;	2104	return unless $self->dirty;
1665		2105
…		…
1671	return if $self->{deny_save};	2111	return if $self->{deny_save};
1672		2112
1673	local $self->{last_access} = $self->last_access;#d#	2113	local $self->{last_access} = $self->last_access;#d#
1674		2114
1675	cf::async {	2115	cf::async {
		2116	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2117	$_->contr->save for $self->players;
1677	};	2118	};
1678		2119
1679	if ($uniq) {	2120	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2129	my ($self) = @_;
1689		2130
1690	# save first because save cedes	2131	# save first because save cedes
1691	$self->save;	2132	$self->save;
1692		2133
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2135
1695	return if $self->players;	2136	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2137	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2138	return if $self->{deny_save};
1698		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	$self->deactivate;
		2143	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2144	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2145	}
1702		2146
1703	sub reset_at {	2147	sub reset_at {
1704	my ($self) = @_;	2148	my ($self) = @_;
1705		2149
1706	# TODO: safety, remove and allow resettable per-player maps	2150	# 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};	2151	return 1e99 if $self->{deny_reset};
1709		2152
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2155
…		…
1723	my ($self) = @_;	2166	my ($self) = @_;
1724		2167
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2169
1727	return if $self->players;	2170	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2171
1730	warn "resetting map ", $self->path;#d#	2172	warn "resetting map ", $self->path;
1731		2173
1732	$self->in_memory (cf::MAP_SWAPPED);	2174	$self->in_memory (cf::MAP_SWAPPED);
1733		2175
1734	# need to save uniques path	2176	# need to save uniques path
1735	unless ($self->{deny_save}) {	2177	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2181	if $uniq;
1740	}	2182	}
1741		2183
1742	delete $cf::MAP{$self->path};	2184	delete $cf::MAP{$self->path};
1743		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2188	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2189
1748	$self->unlink_save;	2190	$self->unlink_save;
1749	$self->destroy;	2191	$self->destroy;
1750	}	2192	}
1751		2193
1752	my $nuke_counter = "aaaa";	2194	my $nuke_counter = "aaaa";
1753		2195
1754	sub nuke {	2196	sub nuke {
1755	my ($self) = @_;	2197	my ($self) = @_;
1756		2198
		2199	{
		2200	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2201
1757	delete $cf::MAP{$self->path};	2202	delete $cf::MAP{$self->path};
1758		2203
1759	$self->unlink_save;	2204	$self->unlink_save;
1760		2205
1761	bless $self, "cf::map";	2206	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2207	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2208	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2209	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2211
1767	$cf::MAP{$self->path} = $self;	2212	$cf::MAP{$self->path} = $self;
		2213	}
1768		2214
1769	$self->reset; # polite request, might not happen	2215	$self->reset; # polite request, might not happen
		2216	}
		2217
		2218	=item $maps = cf::map::tmp_maps
		2219
		2220	Returns an arrayref with all map paths of currently instantiated and saved
		2221	maps. May block.
		2222
		2223	=cut
		2224
		2225	sub tmp_maps() {
		2226	[
		2227	map {
		2228	utf8::decode $_;
		2229	/\.map$/
		2230	? normalise $_
		2231	: ()
		2232	} @{ aio_readdir $TMPDIR or [] }
		2233	]
		2234	}
		2235
		2236	=item $maps = cf::map::random_maps
		2237
		2238	Returns an arrayref with all map paths of currently instantiated and saved
		2239	random maps. May block.
		2240
		2241	=cut
		2242
		2243	sub random_maps() {
		2244	[
		2245	map {
		2246	utf8::decode $_;
		2247	/\.map$/
		2248	? normalise "?random/$_"
		2249	: ()
		2250	} @{ aio_readdir $RANDOMDIR or [] }
		2251	]
1770	}	2252	}
1771		2253
1772	=item cf::map::unique_maps	2254	=item cf::map::unique_maps
1773		2255
1774	Returns an arrayref of paths of all shared maps that have	2256	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2257	instantiated unique items. May block.
1776		2258
1777	=cut	2259	=cut
1778		2260
1779	sub unique_maps() {	2261	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2262	[
1781	or return;	2263	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2264	utf8::decode $_;
1787	next if /\.pst$/;	2265	/\.map$/
1788	next unless /^$PATH_SEP/o;	2266	? normalise $_
1789		2267	: ()
1790	push @paths, cf::map::normalise $_;	2268	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2269	]
1792
1793	\@paths
1794	}	2270	}
1795		2271
1796	package cf;	2272	package cf;
1797		2273
1798	=back	2274	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2292	map { $_, inv_recursive_ $_->inv } @_
1817	}	2293	}
1818		2294
1819	sub inv_recursive {	2295	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2296	inv_recursive_ inv $_[0]
		2297	}
		2298
		2299	=item $ref = $ob->ref
		2300
		2301	creates and returns a persistent reference to an objetc that can be stored as a string.
		2302
		2303	=item $ob = cf::object::deref ($refstring)
		2304
		2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2306	even if the object actually exists. May block.
		2307
		2308	=cut
		2309
		2310	sub deref {
		2311	my ($ref) = @_;
		2312
		2313	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2314	my ($uuid, $name) = ($1, $2);
		2315	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2316	or return;
		2317	$pl->ob->uuid eq $uuid
		2318	or return;
		2319
		2320	$pl->ob
		2321	} else {
		2322	warn "$ref: cannot resolve object reference\n";
		2323	undef
		2324	}
1821	}	2325	}
1822		2326
1823	package cf;	2327	package cf;
1824		2328
1825	=back	2329	=back
…		…
1844		2348
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2349	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2350
1847	if ($self->{record_replies}) {	2351	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2352	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2353
1849	} else {	2354	} else {
		2355	my $pl = $self->contr;
		2356
		2357	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2358	my $dialog = $pl->{npc_dialog};
		2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2360
		2361	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2362	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2363	$self->message ($msg, $flags);
		2364	}
1852	}	2365	}
		2366	}
		2367
		2368	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2369
		2370	=cut
		2371
		2372	sub cf::object::send_msg {
		2373	my $pl = shift->contr
		2374	or return;
		2375	$pl->send_msg (@_);
1853	}	2376	}
1854		2377
1855	=item $player_object->may ("access")	2378	=item $player_object->may ("access")
1856		2379
1857	Returns wether the given player is authorized to access resource "access"	2380	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2427	$self->deactivate_recursive;
1905		2428
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2429	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2430
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2432	if $self->map && $self->map->{path} ne "{link}";
1910		2433
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2435	}
1913		2436
1914	sub cf::object::player::leave_link {	2437	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2438	my ($self, $map, $x, $y) = @_;
		2439
		2440	return unless $self->contr->active;
1916		2441
1917	my $link_pos = delete $self->{_link_pos};	2442	my $link_pos = delete $self->{_link_pos};
1918		2443
1919	unless ($map) {	2444	unless ($map) {
1920	# restore original map position	2445	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2459	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2460	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2461	if $x <=0 && $y <= 0;
1937		2462
1938	$map->load;	2463	$map->load;
1939	$map->load_diag;	2464	$map->load_neighbours;
1940		2465
1941	return unless $self->contr->active;	2466	return unless $self->contr->active;
1942	$self->activate_recursive;	2467	$self->activate_recursive;
1943		2468
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2470	$self->enter_map ($map, $x, $y);
1946	}	2471	}
1947		2472
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
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[, $check->($map)])	2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2474
1982	Moves the player to the given map-path and coordinates by first freezing	2475	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2476	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2477	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2478	the new (success) or old (failed) map position. In either case, $done will
		2479	be called at the end of this process.
1986		2480
1987	=cut	2481	=cut
		2482
		2483	our $GOTOGEN;
1988		2484
1989	sub cf::object::player::goto {	2485	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2486	my ($self, $path, $x, $y, $check, $done) = @_;
		2487
		2488	# do generation counting so two concurrent goto's will be executed in-order
		2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2490
1992	$self->enter_link;	2491	$self->enter_link;
1993		2492
1994	(async {	2493	(async {
		2494	$Coro::current->{desc} = "player::goto $path $x $y";
		2495
		2496	# *tag paths override both path and x|y
		2497	if ($path =~ /^\*(.*)$/) {
		2498	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2499	my $ob = $obs[rand @obs];
		2500
		2501	# see if we actually can go there
		2502	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2503	$ob = $obs[rand @obs];
		2504	} else {
		2505	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2506	}
		2507	# else put us there anyways for now #d#
		2508
		2509	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2510	} else {
		2511	($path, $x, $y) = (undef, undef, undef);
		2512	}
		2513	}
		2514
1995	my $map = eval {	2515	my $map = eval {
1996	my $map = cf::map::find $path;	2516	my $map = defined $path ? cf::map::find $path : undef;
1997		2517
1998	if ($map) {	2518	if ($map) {
1999	$map = $map->customise_for ($self);	2519	$map = $map->customise_for ($self);
2000	$map = $check->($map) if $check && $map;	2520	$map = $check->($map) if $check && $map;
2001	} else {	2521	} else {
2002	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003	}	2523	}
2004		2524
2005	$map	2525	$map
2006	};	2526	};
2007		2527
2008	if ($@) {	2528	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2529	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2530	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2531	}
2012		2532
		2533	if ($gen == $self->{_goto_generation}) {
		2534	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2535	$self->leave_link ($map, $x, $y);
		2536	}
		2537
		2538	$done->() if $done;
2014	})->prio (1);	2539	})->prio (1);
2015	}	2540	}
2016		2541
2017	=item $player_object->enter_exit ($exit_object)	2542	=item $player_object->enter_exit ($exit_object)
2018		2543
…		…
2087	my $hp = $exit->stats->hp;	2612	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;	2613	my $sp = $exit->stats->sp;
2089		2614
2090	$self->enter_link;	2615	$self->enter_link;
2091		2616
		2617	# if exit is damned, update players death & WoR home-position
		2618	$self->contr->savebed ($slaying, $hp, $sp)
		2619	if $exit->flag (FLAG_DAMNED);
		2620
2092	(async {	2621	(async {
		2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2623
2093	$self->deactivate_recursive; # just to be sure	2624	$self->deactivate_recursive; # just to be sure
2094	unless (eval {	2625	unless (eval {
2095	$self->goto ($slaying, $hp, $sp);	2626	$self->goto ($slaying, $hp, $sp);
2096		2627
2097	1;	2628	1;
…		…
2123		2654
2124	utf8::encode $text;	2655	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2656	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2657	}
2127		2658
		2659	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2660
		2661	Send a drawinfo or msg packet to the client, formatting the msg for the
		2662	client if neccessary. C<$type> should be a string identifying the type of
		2663	the message, with C<log> being the default. If C<$color> is negative, suppress
		2664	the message unless the client supports the msg packet.
		2665
		2666	=cut
		2667
		2668	our %CHANNEL = (
		2669	"c/identify" => {
		2670	id => "infobox",
		2671	title => "Identify",
		2672	reply => undef,
		2673	tooltip => "Items recently identified",
		2674	},
		2675	"c/examine" => {
		2676	id => "infobox",
		2677	title => "Examine",
		2678	reply => undef,
		2679	tooltip => "Signs and other items you examined",
		2680	},
		2681	"c/lookat" => {
		2682	id => "infobox",
		2683	title => "Look",
		2684	reply => undef,
		2685	tooltip => "What you saw there",
		2686	},
		2687	);
		2688
		2689	sub cf::client::send_msg {
		2690	my ($self, $channel, $msg, $color, @extra) = @_;
		2691
		2692	$msg = $self->pl->expand_cfpod ($msg);
		2693
		2694	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2695
		2696	# check predefined channels, for the benefit of C
		2697	if ($CHANNEL{$channel}) {
		2698	$channel = $CHANNEL{$channel};
		2699
		2700	$self->ext_msg (channel_info => $channel)
		2701	if $self->can_msg;
		2702
		2703	$channel = $channel->{id};
		2704
		2705	} elsif (ref $channel) {
		2706	# send meta info to client, if not yet sent
		2707	unless (exists $self->{channel}{$channel->{id}}) {
		2708	$self->{channel}{$channel->{id}} = $channel;
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711	}
		2712
		2713	$channel = $channel->{id};
		2714	}
		2715
		2716	return unless @extra || length $msg;
		2717
		2718	if ($self->can_msg) {
		2719	# default colour, mask it out
		2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2721	if $color & cf::NDI_DEF;
		2722
		2723	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2725	} else {
		2726	if ($color >= 0) {
		2727	# replace some tags by gcfclient-compatible ones
		2728	for ($msg) {
		2729	1 while
		2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2735	}
		2736
		2737	$color &= cf::NDI_COLOR_MASK;
		2738
		2739	utf8::encode $msg;
		2740
		2741	if (0 && $msg =~ /\[/) {
		2742	# COMMAND/INFO
		2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2744	} else {
		2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2746	$self->send_packet ("drawinfo $color $msg")
		2747	}
		2748	}
		2749	}
		2750	}
		2751
2128	=item $client->ext_event ($type, %msg)	2752	=item $client->ext_msg ($type, @msg)
2129		2753
2130	Sends an exti event to the client.	2754	Sends an ext event to the client.
2131		2755
2132	=cut	2756	=cut
2133		2757
2134	sub cf::client::ext_event($$%) {	2758	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	2759	my ($self, $type, @msg) = @_;
2136		2760
		2761	if ($self->extcmd == 2) {
		2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2763	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	2764	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2766	}
		2767	}
		2768
		2769	=item $client->ext_reply ($msgid, @msg)
		2770
		2771	Sends an ext reply to the client.
		2772
		2773	=cut
		2774
		2775	sub cf::client::ext_reply($$@) {
		2776	my ($self, $id, @msg) = @_;
		2777
		2778	if ($self->extcmd == 2) {
		2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2780	} elsif ($self->extcmd == 1) {
		2781	#TODO: version 1, remove
		2782	unshift @msg, msgtype => "reply", msgid => $id;
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2784	}
2139	}	2785	}
2140		2786
2141	=item $success = $client->query ($flags, "text", \&cb)	2787	=item $success = $client->query ($flags, "text", \&cb)
2142		2788
2143	Queues a query to the client, calling the given callback with	2789	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2790	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2791	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		2792
2147	Queries can fail, so check the return code. Or don't, as queries will become	2793	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	2794	become reliable at some point in the future.
2149		2795
2150	=cut	2796	=cut
2151		2797
2152	sub cf::client::query {	2798	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	2799	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	2807	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2808	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		2809
2164	$self->send_packet ($self->{query_queue}[0][0])	2810	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	2811	if @{ $self->{query_queue} } == 1;
		2812
		2813	1
2166	}	2814	}
2167		2815
2168	cf::client->attach (	2816	cf::client->attach (
		2817	on_connect => sub {
		2818	my ($ns) = @_;
		2819
		2820	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2821	},
2169	on_reply => sub {	2822	on_reply => sub {
2170	my ($ns, $msg) = @_;	2823	my ($ns, $msg) = @_;
2171		2824
2172	# this weird shuffling is so that direct followup queries	2825	# this weird shuffling is so that direct followup queries
2173	# get handled first	2826	# get handled first
…		…
2185	} else {	2838	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2839	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	2840	}
2188	}	2841	}
2189	},	2842	},
		2843	on_exticmd => sub {
		2844	my ($ns, $buf) = @_;
		2845
		2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2847
		2848	if (ref $msg) {
		2849	my ($type, $reply, @payload) =
		2850	"ARRAY" eq ref $msg
		2851	? @$msg
		2852	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2853
		2854	my @reply;
		2855
		2856	if (my $cb = $EXTICMD{$type}) {
		2857	@reply = $cb->($ns, @payload);
		2858	}
		2859
		2860	$ns->ext_reply ($reply, @reply)
		2861	if $reply;
		2862
		2863	} else {
		2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2865	}
		2866
		2867	cf::override;
		2868	},
2190	);	2869	);
2191		2870
2192	=item $client->async (\&cb)	2871	=item $client->async (\&cb)
2193		2872
2194	Create a new coroutine, running the specified callback. The coroutine will	2873	Create a new coroutine, running the specified callback. The coroutine will
…		…
2235	our $safe = new Safe "safe";	2914	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	2915	our $safe_hole = new Safe::Hole;
2237		2916
2238	$SIG{FPE} = 'IGNORE';	2917	$SIG{FPE} = 'IGNORE';
2239		2918
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2919	$safe->permit_only (Opcode::opset qw(
		2920	:base_core :base_mem :base_orig :base_math
		2921	grepstart grepwhile mapstart mapwhile
		2922	sort time
		2923	));
2241		2924
2242	# here we export the classes and methods available to script code	2925	# here we export the classes and methods available to script code
2243		2926
2244	=pod	2927	=pod
2245		2928
2246	The following functions and methods are available within a safe environment:	2929	The following functions and methods are available within a safe environment:
2247		2930
2248	cf::object contr pay_amount pay_player map	2931	cf::object
		2932	contr pay_amount pay_player map x y force_find force_add destroy
		2933	insert remove name archname title slaying race decrease_ob_nr
		2934
2249	cf::object::player player	2935	cf::object::player
2250	cf::player peaceful	2936	player
2251	cf::map trigger	2937
		2938	cf::player
		2939	peaceful
		2940
		2941	cf::map
		2942	trigger
2252		2943
2253	=cut	2944	=cut
2254		2945
2255	for (	2946	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2948	insert remove inv name archname title slaying race
		2949	decrease_ob_nr destroy)],
2257	["cf::object::player" => qw(player)],	2950	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	2951	["cf::player" => qw(peaceful)],
2259	["cf::map" => qw(trigger)],	2952	["cf::map" => qw(trigger)],
2260	) {	2953	) {
2261	no strict 'refs';	2954	no strict 'refs';
…		…
2332	=back	3025	=back
2333		3026
2334	=cut	3027	=cut
2335		3028
2336	#############################################################################	3029	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509
2510	#############################################################################
2511	# the server's init and main functions	3030	# the server's init and main functions
2512		3031
2513	sub load_facedata($) {	3032	sub load_facedata($) {
2514	my ($path) = @_;	3033	my ($path) = @_;
		3034
		3035	# HACK to clear player env face cache, we need some signal framework
		3036	# for this (global event?)
		3037	%ext::player_env::MUSIC_FACE_CACHE = ();
		3038
		3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515		3040
2516	warn "loading facedata from $path\n";	3041	warn "loading facedata from $path\n";
2517		3042
2518	my $facedata;	3043	my $facedata;
2519	0 < aio_load $path, $facedata	3044	0 < aio_load $path, $facedata
…		…
2522	$facedata = Coro::Storable::thaw $facedata;	3047	$facedata = Coro::Storable::thaw $facedata;
2523		3048
2524	$facedata->{version} == 2	3049	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	3050	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		3051
		3052	# patch in the exptable
		3053	$facedata->{resource}{"res/exp_table"} = {
		3054	type => FT_RSRC,
		3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3056	};
		3057	cf::cede_to_tick;
		3058
2527	{	3059	{
2528	my $faces = $facedata->{faceinfo};	3060	my $faces = $facedata->{faceinfo};
2529		3061
2530	while (my ($face, $info) = each %$faces) {	3062	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3064	cf::face::set_visibility $idx, $info->{visibility};
		3065	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535	Coro::cede;	3068
		3069	cf::cede_to_tick;
2536	}	3070	}
2537		3071
2538	while (my ($face, $info) = each %$faces) {	3072	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	3073	next unless $info->{smooth};
2540	my $idx = cf::face::find $face	3074	my $idx = cf::face::find $face
2541	or next;	3075	or next;
2542	if (my $smooth = cf::face::find $info->{smooth}) {	3076	if (my $smooth = cf::face::find $info->{smooth}) {
		3077	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	3079	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	3080	warn "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	3081	}
2547	Coro::cede;	3082
		3083	cf::cede_to_tick;
2548	}	3084	}
2549	}	3085	}
2550		3086
2551	{	3087	{
2552	my $anims = $facedata->{animinfo};	3088	my $anims = $facedata->{animinfo};
2553		3089
2554	while (my ($anim, $info) = each %$anims) {	3090	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	3091	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	3092	cf::cede_to_tick;
2557	}	3093	}
2558		3094
2559	cf::anim::invalidate_all; # d'oh	3095	cf::anim::invalidate_all; # d'oh
2560	}	3096	}
2561		3097
		3098	{
		3099	# TODO: for gcfclient pleasure, we should give resources
		3100	# that gcfclient doesn't grok a >10000 face index.
		3101	my $res = $facedata->{resource};
		3102
		3103	my $soundconf = delete $res->{"res/sound.conf"};
		3104
		3105	while (my ($name, $info) = each %$res) {
		3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3107	my $data;
		3108
		3109	if ($info->{type} & 1) {
		3110	# prepend meta info
		3111
		3112	my $meta = $enc->encode ({
		3113	name => $name,
		3114	%{ $info->{meta} || {} },
		3115	});
		3116
		3117	$data = pack "(w/a*)*", $meta, $info->{data};
		3118	} else {
		3119	$data = $info->{data};
		3120	}
		3121
		3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3123	cf::face::set_type $idx, $info->{type};
		3124
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	if ($soundconf) {
		3129	$soundconf = $enc->decode (delete $soundconf->{data});
		3130
		3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3132	my $sound = $soundconf->{compat}[$_]
		3133	or next;
		3134
		3135	my $face = cf::face::find "sound/$sound->[1]";
		3136	cf::sound::set $sound->[0] => $face;
		3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3138	}
		3139
		3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3141	my $face = cf::face::find "sound/$v";
		3142	cf::sound::set $k => $face;
		3143	}
		3144	}
		3145	}
		3146
2562	1	3147	1
2563	}	3148	}
2564		3149
		3150	register_exticmd fx_want => sub {
		3151	my ($ns, $want) = @_;
		3152
		3153	while (my ($k, $v) = each %$want) {
		3154	$ns->fx_want ($k, $v);
		3155	}
		3156	};
		3157
2565	sub reload_regions {	3158	sub reload_regions {
		3159	# HACK to clear player env face cache, we need some signal framework
		3160	# for this (global event?)
		3161	%ext::player_env::MUSIC_FACE_CACHE = ();
		3162
2566	load_resource_file "$MAPDIR/regions"	3163	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	3164	or die "unable to load regions file\n";
		3165
		3166	for (cf::region::list) {
		3167	$_->{match} = qr/$_->{match}/
		3168	if exists $_->{match};
		3169	}
2568	}	3170	}
2569		3171
2570	sub reload_facedata {	3172	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	3173	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	3174	or die "unable to load facedata\n";
2573	}	3175	}
2574		3176
2575	sub reload_archetypes {	3177	sub reload_archetypes {
2576	load_resource_file "$DATADIR/archetypes"	3178	load_resource_file "$DATADIR/archetypes"
2577	or die "unable to load archetypes\n";	3179	or die "unable to load archetypes\n";
		3180	#d# NEED to laod twice to resolve forward references
		3181	# this really needs to be done in an extra post-pass
		3182	# (which needs to be synchronous, so solve it differently)
		3183	load_resource_file "$DATADIR/archetypes"
		3184	or die "unable to load archetypes\n";
2578	}	3185	}
2579		3186
2580	sub reload_treasures {	3187	sub reload_treasures {
2581	load_resource_file "$DATADIR/treasures"	3188	load_resource_file "$DATADIR/treasures"
2582	or die "unable to load treasurelists\n";	3189	or die "unable to load treasurelists\n";
…		…
2585	sub reload_resources {	3192	sub reload_resources {
2586	warn "reloading resource files...\n";	3193	warn "reloading resource files...\n";
2587		3194
2588	reload_regions;	3195	reload_regions;
2589	reload_facedata;	3196	reload_facedata;
		3197	#reload_archetypes;#d#
2590	reload_archetypes;	3198	reload_archetypes;
2591	reload_treasures;	3199	reload_treasures;
2592		3200
2593	warn "finished reloading resource files\n";	3201	warn "finished reloading resource files\n";
2594	}	3202	}
2595		3203
2596	sub init {	3204	sub init {
2597	reload_resources;	3205	reload_resources;
2598	}	3206	}
2599		3207
2600	sub cfg_load {	3208	sub reload_config {
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3209	open my $fh, "<:utf8", "$CONFDIR/config"
2602	or return;	3210	or return;
2603		3211
2604	local $/;	3212	local $/;
2605	*CFG = YAML::Syck::Load <$fh>;	3213	*CFG = YAML::Syck::Load <$fh>;
…		…
2621	sub main {	3229	sub main {
2622	# we must not ever block the main coroutine	3230	# we must not ever block the main coroutine
2623	local $Coro::idle = sub {	3231	local $Coro::idle = sub {
2624	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625	(async {	3233	(async {
		3234	$Coro::current->{desc} = "IDLE BUG HANDLER";
2626	Event::one_event;	3235	Event::one_event;
2627	})->prio (Coro::PRIO_MAX);	3236	})->prio (Coro::PRIO_MAX);
2628	};	3237	};
2629		3238
2630	cfg_load;	3239	reload_config;
2631	db_init;	3240	db_init;
2632	load_extensions;	3241	load_extensions;
2633		3242
2634	$TICK_WATCHER->start;	3243	$TICK_WATCHER->start;
2635	Event::loop;	3244	Event::loop;
…		…
2651	},	3260	},
2652	);	3261	);
2653	}	3262	}
2654	}	3263	}
2655		3264
		3265	sub write_runtime {
		3266	my $runtime = "$LOCALDIR/runtime";
		3267
		3268	# first touch the runtime file to show we are still running:
		3269	# the fsync below can take a very very long time.
		3270
		3271	IO::AIO::aio_utime $runtime, undef, undef;
		3272
		3273	my $guard = cf::lock_acquire "write_runtime";
		3274
		3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3276	or return;
		3277
		3278	my $value = $cf::RUNTIME + 90 + 10;
		3279	# 10 is the runtime save interval, for a monotonic clock
		3280	# 60 allows for the watchdog to kill the server.
		3281
		3282	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3283	and return;
		3284
		3285	# always fsync - this file is important
		3286	aio_fsync $fh
		3287	and return;
		3288
		3289	# touch it again to show we are up-to-date
		3290	aio_utime $fh, undef, undef;
		3291
		3292	close $fh
		3293	or return;
		3294
		3295	aio_rename "$runtime~", $runtime
		3296	and return;
		3297
		3298	warn "runtime file written.\n";
		3299
		3300	1
		3301	}
		3302
2656	sub emergency_save() {	3303	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3304	my $freeze_guard = cf::freeze_mainloop;
2658		3305
2659	warn "enter emergency perl save\n";	3306	warn "enter emergency perl save\n";
2660		3307
…		…
2664	# and maps saved/destroyed asynchronously.	3311	# and maps saved/destroyed asynchronously.
2665	warn "begin emergency player save\n";	3312	warn "begin emergency player save\n";
2666	for my $login (keys %cf::PLAYER) {	3313	for my $login (keys %cf::PLAYER) {
2667	my $pl = $cf::PLAYER{$login} or next;	3314	my $pl = $cf::PLAYER{$login} or next;
2668	$pl->valid or next;	3315	$pl->valid or next;
		3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669	$pl->save;	3317	$pl->save;
2670	}	3318	}
2671	warn "end emergency player save\n";	3319	warn "end emergency player save\n";
2672		3320
2673	warn "begin emergency map save\n";	3321	warn "begin emergency map save\n";
…		…
2735	%EXT_CORO = ();	3383	%EXT_CORO = ();
2736		3384
2737	warn "removing commands";	3385	warn "removing commands";
2738	%COMMAND = ();	3386	%COMMAND = ();
2739		3387
2740	warn "removing ext commands";	3388	warn "removing ext/exti commands";
2741	%EXTCMD = ();	3389	%EXTCMD = ();
		3390	%EXTICMD = ();
2742		3391
2743	warn "unloading/nuking all extensions";	3392	warn "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	3393	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	3394	warn "... unloading $pkg";
2746		3395
…		…
2789	warn "reloading cf.pm";	3438	warn "reloading cf.pm";
2790	require cf;	3439	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792		3441
2793	warn "loading config and database again";	3442	warn "loading config and database again";
2794	cf::cfg_load;	3443	cf::reload_config;
2795		3444
2796	warn "loading extensions";	3445	warn "loading extensions";
2797	cf::load_extensions;	3446	cf::load_extensions;
2798		3447
2799	warn "reattaching attachments to objects/players";	3448	warn "reattaching attachments to objects/players";
…		…
2835	register_command "reload" => sub {	3484	register_command "reload" => sub {
2836	my ($who, $arg) = @_;	3485	my ($who, $arg) = @_;
2837		3486
2838	if ($who->flag (FLAG_WIZ)) {	3487	if ($who->flag (FLAG_WIZ)) {
2839	$who->message ("reloading server.");	3488	$who->message ("reloading server.");
		3489	async {
		3490	$Coro::current->{desc} = "perl_reload";
2840	async { reload_perl };	3491	reload_perl;
		3492	};
2841	}	3493	}
2842	};	3494	};
2843		3495
2844	unshift @INC, $LIBDIR;	3496	unshift @INC, $LIBDIR;
2845		3497
…		…
2864	my $signal = new Coro::Signal;	3516	my $signal = new Coro::Signal;
2865	push @WAIT_FOR_TICK_BEGIN, $signal;	3517	push @WAIT_FOR_TICK_BEGIN, $signal;
2866	$signal->wait;	3518	$signal->wait;
2867	}	3519	}
2868		3520
2869	my $min = 1e6;#d#
2870	my $avg = 10;
2871	$TICK_WATCHER = Event->timer (	3521	$TICK_WATCHER = Event->timer (
2872	reentrant => 0,	3522	reentrant => 0,
2873	parked => 1,	3523	parked => 1,
2874	prio => 0,	3524	prio => 0,
2875	at => $NEXT_TICK || $TICK,	3525	at => $NEXT_TICK || $TICK,
…		…
2883		3533
2884	$NOW = $tick_start = Event::time;	3534	$NOW = $tick_start = Event::time;
2885		3535
2886	cf::server_tick; # one server iteration	3536	cf::server_tick; # one server iteration
2887		3537
2888	0 && sync_job {#d#
2889	for(1..10) {
2890	my $t = Event::time;
2891	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2892	or die;
2893
2894	$map->width (50);
2895	$map->height (50);
2896	$map->alloc;
2897	$map->_load_objects ("/tmp/x.map", 1);
2898	my $t = Event::time - $t;
2899
2900	#next unless $t < 0.0013;#d#
2901	if ($t < $min) {
2902	$min = $t;
2903	}
2904	$avg = $avg * 0.99 + $t * 0.01;
2905	}
2906	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907	exit 0;
2908	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909	};
2910
2911	$RUNTIME += $TICK;	3538	$RUNTIME += $TICK;
2912	$NEXT_TICK += $TICK;	3539	$NEXT_TICK += $TICK;
2913		3540
2914	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915	$NEXT_RUNTIME_WRITE = $NOW + 10;	3542	$NEXT_RUNTIME_WRITE = $NOW + 10;
2916	Coro::async_pool {	3543	Coro::async_pool {
		3544	$Coro::current->{desc} = "runtime saver";
2917	write_runtime	3545	write_runtime
2918	or warn "ERROR: unable to write runtime file: $!";	3546	or warn "ERROR: unable to write runtime file: $!";
2919	};	3547	};
2920	}	3548	}
2921		3549
2922	# my $AFTER = Event::time;
2923	# warn $AFTER - $NOW;#d#
2924
2925	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926	$sig->send;	3551	$sig->send;
2927	}	3552	}
2928	while (my $sig = shift @WAIT_FOR_TICK) {	3553	while (my $sig = shift @WAIT_FOR_TICK) {
2929	$sig->send;	3554	$sig->send;
…		…
2939		3564
2940	$LOAD = ($NOW - $tick_start) / $TICK;	3565	$LOAD = ($NOW - $tick_start) / $TICK;
2941	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942		3567
2943	_post_tick;	3568	_post_tick;
2944
2945
2946	},	3569	},
2947	);	3570	);
2948		3571
2949	{	3572	{
		3573	BDB::min_parallel 8;
2950	BDB::max_poll_time $TICK * 0.1;	3574	BDB::max_poll_time $TICK * 0.1;
2951	$BDB_POLL_WATCHER = Event->io (	3575	$BDB_POLL_WATCHER = Event->io (
2952	reentrant => 0,	3576	reentrant => 0,
2953	fd => BDB::poll_fileno,	3577	fd => BDB::poll_fileno,
2954	poll => 'r',	3578	poll => 'r',
2955	prio => 0,	3579	prio => 0,
2956	data => WF_AUTOCANCEL,	3580	data => WF_AUTOCANCEL,
2957	cb => \&BDB::poll_cb,	3581	cb => \&BDB::poll_cb,
2958	);	3582	);
2959	BDB::min_parallel 8;
2960		3583
2961	BDB::set_sync_prepare {	3584	BDB::set_sync_prepare {
2962	my $status;	3585	my $status;
2963	my $current = $Coro::current;	3586	my $current = $Coro::current;
2964	(	3587	(
…		…
2973	)	3596	)
2974	};	3597	};
2975		3598
2976	unless ($DB_ENV) {	3599	unless ($DB_ENV) {
2977	$DB_ENV = BDB::db_env_create;	3600	$DB_ENV = BDB::db_env_create;
		3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3602	| BDB::LOG_AUTOREMOVE, 1);
		3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978		3605
2979	cf::sync_job {	3606	cf::sync_job {
2980	eval {	3607	eval {
2981	BDB::db_env_open	3608	BDB::db_env_open
2982	$DB_ENV,	3609	$DB_ENV,
…		…
2984	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3611	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3612	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986	0666;	3613	0666;
2987		3614
2988	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3615	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991	$DB_ENV->set_lk_detect;
2992	};	3616	};
2993		3617
2994	cf::cleanup "db_env_open(db): $@" if $@;	3618	cf::cleanup "db_env_open(db): $@" if $@;
2995	};	3619	};
2996	}	3620	}
		3621
		3622	$BDB_DEADLOCK_WATCHER = Event->timer (
		3623	after => 3,
		3624	interval => 1,
		3625	hard => 1,
		3626	prio => 0,
		3627	data => WF_AUTOCANCEL,
		3628	cb => sub {
		3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3630	},
		3631	);
		3632	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3633	after => 11,
		3634	interval => 60,
		3635	hard => 1,
		3636	prio => 0,
		3637	data => WF_AUTOCANCEL,
		3638	cb => sub {
		3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3640	},
		3641	);
		3642	$BDB_TRICKLE_WATCHER = Event->timer (
		3643	after => 5,
		3644	interval => 10,
		3645	hard => 1,
		3646	prio => 0,
		3647	data => WF_AUTOCANCEL,
		3648	cb => sub {
		3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3650	},
		3651	);
2997	}	3652	}
2998		3653
2999	{	3654	{
3000	IO::AIO::min_parallel 8;	3655	IO::AIO::min_parallel 8;
3001		3656
…		…
3004	$AIO_POLL_WATCHER = Event->io (	3659	$AIO_POLL_WATCHER = Event->io (
3005	reentrant => 0,	3660	reentrant => 0,
3006	data => WF_AUTOCANCEL,	3661	data => WF_AUTOCANCEL,
3007	fd => IO::AIO::poll_fileno,	3662	fd => IO::AIO::poll_fileno,
3008	poll => 'r',	3663	poll => 'r',
3009	prio => 6,	3664	prio => 0,
3010	cb => \&IO::AIO::poll_cb,	3665	cb => \&IO::AIO::poll_cb,
3011	);	3666	);
3012	}	3667	}
3013		3668
3014	my $_log_backtrace;	3669	my $_log_backtrace;
…		…
3020		3675
3021	# limit the # of concurrent backtraces	3676	# limit the # of concurrent backtraces
3022	if ($_log_backtrace < 2) {	3677	if ($_log_backtrace < 2) {
3023	++$_log_backtrace;	3678	++$_log_backtrace;
3024	async {	3679	async {
		3680	$Coro::current->{desc} = "abt $msg";
		3681
3025	my @bt = fork_call {	3682	my @bt = fork_call {
3026	@addr = map { sprintf "%x", $_ } @addr;	3683	@addr = map { sprintf "%x", $_ } @addr;
3027	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3684	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3685	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029	or die "addr2line: $!";	3686	or die "addr2line: $!";

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