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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 1.395 by root, Sat Nov 10 22:41:59 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
…		…
155		162
156	The raw value load value from the last tick.	163	The raw value load value from the last tick.
157		164
158	=item %cf::CFG	165	=item %cf::CFG
159		166
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	168	from wherever your confdir points to.
162		169
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
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 Deliantra 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 Deliantra 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
355	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
356	Coro::cede or Event::one_event;	452	Event::one_event;
		453	}
357	}	454	}
358		455
359	$time = Event::time - $time;	456	$time = Event::time - $time;
360		457
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"	458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
…		…
389	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
390		487
391	$coro	488	$coro
392	}	489	}
393		490
394	sub write_runtime {	491	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		492
397	# first touch the runtime file to show we are still running:	493	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
399		497
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	498	=cut
401	utime undef, undef, $fh;	499
		500	sub fork_call(&@) {
		501	my ($cb, @args) = @_;
		502
		503	# we seemingly have to make a local copy of the whole thing,
		504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
		506
		507	my @res = Coro::Util::fork_eval {
		508	reset_signals;
		509	&$cb
		510	}, @args;
		511
		512	wantarray ? @res : $res[-1]
		513	}
		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
402	}	542	};
		543	cf::cleanup "db_open(db): $@" if $@;
403		544
404	my $guard = cf::lock_acquire "write_runtime";	545	$db
		546	}
405		547
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	our $DB;
407	or return;
408		549
409	my $value = $cf::RUNTIME + 90 + 10;	550	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	551	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	552	$DB ||= db_table "db";
		553	};
		554	}
412		555
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	556	sub db_get($$) {
414	and return;	557	my $key = "$_[0]/$_[1]";
415		558
416	# always fsync - this file is important	559	cf::sync_job {
417	aio_fsync $fh	560	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		561
420	# touch it again to show we are up-to-date	562	$! ? ()
421	utime undef, undef, $fh;	563	: $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	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
432	}	640	}
433		641
434	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
435		643
436	Log a datalog packet of the given type with the given key-value pairs.	644	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")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
456		664
457	In the following description, CLASS can be any of C<global>, C<object>	665	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	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	667	Deliantra).
460		668
461	=over 4	669	=over 4
462		670
463	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
464		672
…		…
666	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
667	}	875	}
668		876
669	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
670	} else {	878	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	880	}
673		881
674	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
675	}	883	}
676		884
…		…
716	";	924	";
717	die if $@;	925	die if $@;
718	}	926	}
719		927
720	our $override;	928	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		930
723	sub override {	931	sub override {
724	$override = 1;	932	$override = 1;
725	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
726	}	934	}
727		935
728	sub do_invoke {	936	sub do_invoke {
729	my $event = shift;	937	my $event = shift;
730	my $callbacks = shift;	938	my $callbacks = shift;
731		939
732	@invoke_results = ();	940	@INVOKE_RESULTS = ();
733		941
734	local $override;	942	local $override;
735		943
736	for (@$callbacks) {	944	for (@$callbacks) {
737	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
754		962
755	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
756		964
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	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	966	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		968
761	=back	969	=back
762		970
763	=cut	971	=cut
764		972
765	#############################################################################	973	#############################################################################
766	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
767		1017
768	sub reattach {	1018	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1020	my ($obj) = @_;
771		1021
…		…
818	sub object_freezer_save {	1068	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
820		1070
821	sync_job {	1071	sync_job {
822	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
825		1076
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1081	close $fh;
831		1082
832	if (@$objs) {	1083	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1089	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
840	}	1091	}
…		…
848	}	1099	}
849	} else {	1100	} else {
850	aio_unlink $filename;	1101	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
852	}	1103	}
853	}	1104	};
854	}	1105	}
855		1106
856	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
858		1109
…		…
870	or return;	1121	or return;
871		1122
872	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
874	or return;	1125	or return;
		1126
875	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
876	}	1129	}
877		1130
		1131	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
880	return ($data, $av);	1135	($data, $av)
881	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
882		1143
883	#############################################################################	1144	#############################################################################
884	# command handling &c	1145	# command handling &c
885		1146
886	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1161	}
901		1162
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1164
904	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
905		1170
906	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
907	called.	1172	called.
908		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
909	=cut	1185	=cut
910		1186
911	sub register_extcmd {	1187	sub register_extcmd {
912	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
913		1189
914	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
915	}	1197	}
916		1198
917	cf::player->attach (	1199	cf::player->attach (
918	on_command => sub {	1200	on_command => sub {
919	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1210	cf::override;
929	},	1211	},
930	on_extcmd => sub {	1212	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
932		1214
933	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1216
935	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
941	} else {	1232	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1234	}
944		1235
945	cf::override;	1236	cf::override;
946	},	1237	},
947	);	1238	);
948		1239
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 {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
984	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1245	next unless -r $path;
986	eval {	1246
987	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
988	1	1304	}
989	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
990	}	1310	};
991	}	1311	}
992		1312
993	#############################################################################	1313	#############################################################################
994		1314
		1315	=back
		1316
995	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
996		1318
997	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
998		1320
999	=cut	1321	=cut
…		…
1003	use Coro::AIO;	1325	use Coro::AIO;
1004		1326
1005	=head3 cf::player	1327	=head3 cf::player
1006		1328
1007	=over 4	1329	=over 4
		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
1008		1344
1009	=item cf::player::find $login	1345	=item cf::player::find $login
1010		1346
1011	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
1012		1348
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1388
1053	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1056	}	1397	}
1057	}	1398	}
1058	}	1399	}
1059		1400
…		…
1069		1410
1070	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1072		1413
1073	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1074	Coro::cede;	1415	cf::cede_to_tick;
1075	}	1416	}
1076		1417
1077	sub new($) {	1418	sub new($) {
1078	my ($login) = @_;	1419	my ($login) = @_;
1079		1420
…		…
1083	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1084		1425
1085	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1086		1427
1087	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1088	}	1439	}
1089		1440
1090	=item $pl->quit_character	1441	=item $pl->quit_character
1091		1442
1092	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1498	or return [];
1148		1499
1149	my @logins;	1500	my @logins;
1150		1501
1151	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1155		1511
1156	utf8::decode $login;	1512	utf8::decode $login;
1157	push @logins, $login;	1513	push @logins, $login;
1158	}	1514	}
1159		1515
…		…
1186	}	1542	}
1187		1543
1188	\@paths	1544	\@paths
1189	}	1545	}
1190		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	# match a pod interior sequence sans C<< >>
		1558	(?:
		1559	\ (.*?)\ (?{ $group = $^N })
		1560	| < (??{$interior}) >
		1561	)
		1562	}x;
		1563
		1564	sub expand_cfpod {
		1565	my ($self, $pod) = @_;
		1566
		1567	my $xml;
		1568
		1569	while () {
		1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1571	$group = $1;
		1572
		1573	$group =~ s/&/&amp;/g;
		1574	$group =~ s/</&lt;/g;
		1575
		1576	$xml .= $group;
		1577	} elsif ($pod =~ m%\G
		1578	([BCGHITU])
		1579	<
		1580	(?:
		1581	([^<>]*) (?{ $group = $^N })
		1582	| < $interior >
		1583	)
		1584	>
		1585	%gcsx
		1586	) {
		1587	my ($code, $data) = ($1, $group);
		1588
		1589	if ($code eq "B") {
		1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1591	} elsif ($code eq "I") {
		1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1593	} elsif ($code eq "U") {
		1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1595	} elsif ($code eq "C") {
		1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1597	} elsif ($code eq "T") {
		1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1599	} elsif ($code eq "G") {
		1600	my ($male, $female) = split /\|/, $data;
		1601	$data = $self->gender ? $female : $male;
		1602	$xml .= expand_cfpod ($self, $data);
		1603	} elsif ($code eq "H") {
		1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1606	"")
		1607	[$self->{hintmode}];
		1608	} else {
		1609	$xml .= "error processing '$code($data)' directive";
		1610	}
		1611	} else {
		1612	if ($pod =~ /\G(.+)/) {
		1613	warn "parse error while expanding $pod (at $1)";
		1614	}
		1615	last;
		1616	}
		1617	}
		1618
		1619	for ($xml) {
		1620	# create single paragraphs (very hackish)
		1621	s/(?<=\S)\n(?=\w)/ /g;
		1622
		1623	# compress some whitespace
		1624	s/\s+\n/\n/g; # ws line-ends
		1625	s/\n\n+/\n/g; # double lines
		1626	s/^\n+//; # beginning lines
		1627	s/\n+$//; # ending lines
		1628	}
		1629
		1630	$xml
		1631	}
		1632
		1633	no re 'eval';
		1634
		1635	sub hintmode {
		1636	$_[0]{hintmode} = $_[1] if @_ > 1;
		1637	$_[0]{hintmode}
		1638	}
		1639
1191	=item $player->ext_reply ($msgid, %msg)	1640	=item $player->ext_reply ($msgid, @msg)
1192		1641
1193	Sends an ext reply to the player.	1642	Sends an ext reply to the player.
1194		1643
1195	=cut	1644	=cut
1196		1645
1197	sub ext_reply($$%) {	1646	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1647	my ($self, $id, @msg) = @_;
1199		1648
1200	$msg{msgid} = $id;	1649	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1650	}
1204		1651
1205	=item $player->ext_event ($type, %msg)	1652	=item $player->ext_msg ($type, @msg)
1206		1653
1207	Sends an ext event to the client.	1654	Sends an ext event to the client.
1208		1655
1209	=cut	1656	=cut
1210		1657
1211	sub ext_event($$%) {	1658	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1659	my ($self, $type, @msg) = @_;
1213		1660
1214	$self->ns->ext_event ($type, %msg);	1661	$self->ns->ext_msg ($type, @msg);
1215	}	1662	}
1216		1663
1217	=head3 cf::region	1664	=head3 cf::region
1218		1665
1219	=over 4	1666	=over 4
…		…
1222		1669
1223	package cf::region;	1670	package cf::region;
1224		1671
1225	=item cf::region::find_by_path $path	1672	=item cf::region::find_by_path $path
1226		1673
1227	Tries to decuce the probable region for a map knowing only its path.	1674	Tries to decuce the likely region for a map knowing only its path.
1228		1675
1229	=cut	1676	=cut
1230		1677
1231	sub find_by_path($) {	1678	sub find_by_path($) {
1232	my ($path) = @_;	1679	my ($path) = @_;
1233		1680
1234	my ($match, $specificity);	1681	my ($match, $specificity);
1235		1682
1236	for my $region (list) {	1683	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1684	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1685	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1686	if $region->specificity > $specificity;
1240	}	1687	}
1241	}	1688	}
1242		1689
…		…
1306	my ($self, $merge) = @_;	1753	my ($self, $merge) = @_;
1307		1754
1308	# we have to keep some variables in memory intact	1755	# we have to keep some variables in memory intact
1309	local $self->{path};	1756	local $self->{path};
1310	local $self->{load_path};	1757	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1758
1314	$self->SUPER::thawer_merge ($merge);	1759	$self->SUPER::thawer_merge ($merge);
1315	}	1760	}
1316		1761
1317	sub normalise {	1762	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1809	$self->init; # pass $1 etc.
1365	return $self;	1810	return $self;
1366	}	1811	}
1367	}	1812	}
1368		1813
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1814	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1815	()
1371	}	1816	}
1372		1817
1373	sub init {	1818	sub init {
1374	my ($self) = @_;	1819	my ($self) = @_;
…		…
1417		1862
1418	$_->change_map_light ($change)	1863	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1864	for grep $_->outdoor, values %cf::MAP;
1420	}	1865	}
1421		1866
		1867	sub decay_objects {
		1868	my ($self) = @_;
		1869
		1870	return if $self->{deny_reset};
		1871
		1872	$self->do_decay_objects;
		1873	}
		1874
1422	sub unlink_save {	1875	sub unlink_save {
1423	my ($self) = @_;	1876	my ($self) = @_;
1424		1877
1425	utf8::encode (my $save = $self->save_path);	1878	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1882
1430	sub load_header_from($) {	1883	sub load_header_from($) {
1431	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1432		1885
1433	utf8::encode $path;	1886	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1439		1895
1440	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1441		1897
1442	1	1898	1
1443	}	1899	}
…		…
1482	$self->load_header_orig	1938	$self->load_header_orig
1483	or return;	1939	or return;
1484	$self->prepare_orig;	1940	$self->prepare_orig;
1485	}	1941	}
1486		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
1487	$self->default_region (cf::region::find_by_path $self->{path})	1946	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1947	unless $self->default_region;
1489		1948
1490	1	1949	1
1491	}	1950	}
…		…
1494	sub find {	1953	sub find {
1495	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1496		1955
1497	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1498		1957
		1958	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1959	cf::lock_wait "map_find:$path";
1500		1960
1501	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1962	my $guard1 = cf::lock_acquire "map_find:$path";
		1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1964
1503	my $map = new_from_path cf::map $path	1965	my $map = new_from_path cf::map $path
1504	or return;	1966	or return;
1505		1967
1506	$map->{last_save} = $cf::RUNTIME;	1968	$map->{last_save} = $cf::RUNTIME;
1507		1969
1508	$map->load_header	1970	$map->load_header
1509	or return;	1971	or return;
1510		1972
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1974	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1975	#$cf::WAIT_FOR_TICK->wait;
		1976	undef $guard1;
		1977	undef $guard2;
1514	$map->reset;	1978	$map->reset;
1515	undef $guard;
1516	return find $path;	1979	return find $path;
1517	}	1980	}
1518		1981
1519	$cf::MAP{$path} = $map	1982	$cf::MAP{$path} = $map
1520	}	1983	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1992	local $self->{deny_reset} = 1; # loading can take a long time
1530		1993
1531	my $path = $self->{path};	1994	my $path = $self->{path};
1532		1995
1533	{	1996	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1997	my $guard = cf::lock_acquire "map_data:$path";
1535		1998
		1999	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2000	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2001
1538	$self->in_memory (cf::MAP_LOADING);	2002	$self->in_memory (cf::MAP_LOADING);
1539		2003
1540	$self->alloc;	2004	$self->alloc;
1541		2005
1542	$self->pre_load;	2006	$self->pre_load;
1543	Coro::cede;	2007	cf::cede_to_tick;
1544		2008
		2009	my $f = new_from_file cf::object::thawer $self->{load_path};
		2010	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2011	$self->_load_objects ($f)
1546	or return;	2012	or return;
1547		2013
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2015	if delete $self->{load_original};
1550		2016
1551	if (my $uniq = $self->uniq_path) {	2017	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2018	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2019	unless (aio_stat $uniq) {
		2020	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2021	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2022	$self->_load_objects ($f);
		2023	$f->resolve_delayed_derefs;
		2024	}
1556	}	2025	}
1557	}	2026	}
1558		2027
1559	Coro::cede;	2028	$f->resolve_delayed_derefs;
		2029
		2030	cf::cede_to_tick;
1560	# now do the right thing for maps	2031	# now do the right thing for maps
1561	$self->link_multipart_objects;	2032	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2033	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2034	unless $self->difficulty;
1564	Coro::cede;	2035	cf::cede_to_tick;
1565		2036
1566	unless ($self->{deny_activate}) {	2037	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2038	$self->decay_objects;
1568	$self->fix_auto_apply;	2039	$self->fix_auto_apply;
1569	$self->update_buttons;	2040	$self->update_buttons;
1570	Coro::cede;	2041	cf::cede_to_tick;
1571	$self->set_darkness_map;	2042	$self->set_darkness_map;
1572	Coro::cede;	2043	cf::cede_to_tick;
1573	$self->activate;	2044	$self->activate;
1574	}	2045	}
		2046
		2047	$self->{last_save} = $cf::RUNTIME;
		2048	$self->last_access ($cf::RUNTIME);
1575		2049
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2050	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2051	}
1578		2052
1579	$self->post_load;	2053	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2057	my ($self, $ob) = @_;
1584		2058
1585	return find "~" . $ob->name . "/" . $self->{path}	2059	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2060	if $self->per_player;
1587		2061
		2062	# return find "?party/" . $ob->name . "/" . $self->{path}
		2063	# if $self->per_party;
		2064
1588	$self	2065	$self
1589	}	2066	}
1590		2067
1591	# find and load all maps in the 3x3 area around a map	2068	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2069	sub load_neighbours {
1593	my ($map) = @_;	2070	my ($map) = @_;
1594		2071
1595	my @diag; # diagonal neighbours	2072	my @neigh; # diagonal neighbours
1596		2073
1597	for (0 .. 3) {	2074	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2075	my $neigh = $map->tile_path ($_)
1599	or next;	2076	or next;
1600	$neigh = find $neigh, $map	2077	$neigh = find $neigh, $map
1601	or next;	2078	or next;
1602	$neigh->load;	2079	$neigh->load;
1603		2080
		2081	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2084	}
1607		2085
1608	for (@diag) {	2086	for (grep defined $_->[0], @neigh) {
		2087	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2088	my $neigh = find $path, $origin
1610	or next;	2089	or next;
1611	$neigh->load;	2090	$neigh->load;
1612	}	2091	}
1613	}	2092	}
1614		2093
…		…
1619	}	2098	}
1620		2099
1621	sub do_load_sync {	2100	sub do_load_sync {
1622	my ($map) = @_;	2101	my ($map) = @_;
1623		2102
		2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2104	if $Coro::current == $Coro::main;
		2105
1624	cf::sync_job { $map->load };	2106	cf::sync_job { $map->load };
1625	}	2107	}
1626		2108
1627	our %MAP_PREFETCH;	2109	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2110	our $MAP_PREFETCHER = undef;
1629		2111
1630	sub find_async {	2112	sub find_async {
1631	my ($path, $origin) = @_;	2113	my ($path, $origin, $load) = @_;
1632		2114
1633	$path = normalise $path, $origin && $origin->{path};	2115	$path = normalise $path, $origin && $origin->{path};
1634		2116
1635	if (my $map = $cf::MAP{$path}) {	2117	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2119	}
1638		2120
1639	undef $MAP_PREFETCH{$path};	2121	$MAP_PREFETCH{$path} |= $load;
		2122
1640	$MAP_PREFETCHER ||= cf::async {	2123	$MAP_PREFETCHER ||= cf::async {
		2124	$Coro::current->{desc} = "map prefetcher";
		2125
1641	while (%MAP_PREFETCH) {	2126	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2127	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2128	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2129	$map->load if $v;
		2130	}
1646		2131
1647	delete $MAP_PREFETCH{$path};	2132	delete $MAP_PREFETCH{$k};
1648	}	2133	}
1649	}	2134	}
1650	undef $MAP_PREFETCHER;	2135	undef $MAP_PREFETCHER;
1651	};	2136	};
1652	$MAP_PREFETCHER->prio (6);	2137	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2140	}
1656		2141
1657	sub save {	2142	sub save {
1658	my ($self) = @_;	2143	my ($self) = @_;
1659		2144
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2146
1662	$self->{last_save} = $cf::RUNTIME;	2147	$self->{last_save} = $cf::RUNTIME;
1663		2148
1664	return unless $self->dirty;	2149	return unless $self->dirty;
1665		2150
…		…
1671	return if $self->{deny_save};	2156	return if $self->{deny_save};
1672		2157
1673	local $self->{last_access} = $self->last_access;#d#	2158	local $self->{last_access} = $self->last_access;#d#
1674		2159
1675	cf::async {	2160	cf::async {
		2161	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2162	$_->contr->save for $self->players;
1677	};	2163	};
1678		2164
1679	if ($uniq) {	2165	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2174	my ($self) = @_;
1689		2175
1690	# save first because save cedes	2176	# save first because save cedes
1691	$self->save;	2177	$self->save;
1692		2178
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2180
1695	return if $self->players;	2181	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2183	return if $self->{deny_save};
1698		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2189	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2190	}
1702		2191
1703	sub reset_at {	2192	sub reset_at {
1704	my ($self) = @_;	2193	my ($self) = @_;
1705		2194
1706	# TODO: safety, remove and allow resettable per-player maps	2195	# 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};	2196	return 1e99 if $self->{deny_reset};
1709		2197
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2200
…		…
1723	my ($self) = @_;	2211	my ($self) = @_;
1724		2212
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2214
1727	return if $self->players;	2215	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2216
1730	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
1731		2218
1732	$self->in_memory (cf::MAP_SWAPPED);	2219	$self->in_memory (cf::MAP_SWAPPED);
1733		2220
1734	# need to save uniques path	2221	# need to save uniques path
1735	unless ($self->{deny_save}) {	2222	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2226	if $uniq;
1740	}	2227	}
1741		2228
1742	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1743		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2233	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2234
1748	$self->unlink_save;	2235	$self->unlink_save;
1749	$self->destroy;	2236	$self->destroy;
1750	}	2237	}
1751		2238
1752	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1753		2240
1754	sub nuke {	2241	sub nuke {
1755	my ($self) = @_;	2242	my ($self) = @_;
1756		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1757	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1758		2248
1759	$self->unlink_save;	2249	$self->unlink_save;
1760		2250
1761	bless $self, "cf::map";	2251	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2256
1767	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1768		2259
1769	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1770	}	2297	}
1771		2298
1772	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1773		2300
1774	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2302	instantiated unique items. May block.
1776		2303
1777	=cut	2304	=cut
1778		2305
1779	sub unique_maps() {	2306	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2307	[
1781	or return;	2308	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2309	utf8::decode $_;
1787	next if /\.pst$/;	2310	/\.map$/
1788	next unless /^$PATH_SEP/o;	2311	? normalise $_
1789		2312	: ()
1790	push @paths, cf::map::normalise $_;	2313	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2314	]
1792
1793	\@paths
1794	}	2315	}
1795		2316
1796	package cf;	2317	package cf;
1797		2318
1798	=back	2319	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2337	map { $_, inv_recursive_ $_->inv } @_
1817	}	2338	}
1818		2339
1819	sub inv_recursive {	2340	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
		2342	}
		2343
		2344	=item $ref = $ob->ref
		2345
		2346	creates and returns a persistent reference to an objetc that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
1821	}	2370	}
1822		2371
1823	package cf;	2372	package cf;
1824		2373
1825	=back	2374	=back
…		…
1844		2393
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2394	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2395
1847	if ($self->{record_replies}) {	2396	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2397	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2398
1849	} else {	2399	} else {
		2400	my $pl = $self->contr;
		2401
		2402	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2403	my $dialog = $pl->{npc_dialog};
		2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2405
		2406	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2407	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2408	$self->message ($msg, $flags);
		2409	}
1852	}	2410	}
		2411	}
		2412
		2413	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2414
		2415	=cut
		2416
		2417	sub cf::object::send_msg {
		2418	my $pl = shift->contr
		2419	or return;
		2420	$pl->send_msg (@_);
1853	}	2421	}
1854		2422
1855	=item $player_object->may ("access")	2423	=item $player_object->may ("access")
1856		2424
1857	Returns wether the given player is authorized to access resource "access"	2425	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2472	$self->deactivate_recursive;
1905		2473
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2474	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2475
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2477	if $self->map && $self->map->{path} ne "{link}";
1910		2478
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2480	}
1913		2481
1914	sub cf::object::player::leave_link {	2482	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2483	my ($self, $map, $x, $y) = @_;
		2484
		2485	return unless $self->contr->active;
1916		2486
1917	my $link_pos = delete $self->{_link_pos};	2487	my $link_pos = delete $self->{_link_pos};
1918		2488
1919	unless ($map) {	2489	unless ($map) {
1920	# restore original map position	2490	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2504	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2505	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2506	if $x <=0 && $y <= 0;
1937		2507
1938	$map->load;	2508	$map->load;
1939	$map->load_diag;	2509	$map->load_neighbours;
1940		2510
1941	return unless $self->contr->active;	2511	return unless $self->contr->active;
1942	$self->activate_recursive;	2512	$self->activate_recursive;
1943		2513
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2515	$self->enter_map ($map, $x, $y);
1946	}	2516	}
1947		2517
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($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)])	2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2519
1982	Moves the player to the given map-path and coordinates by first freezing	2520	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	2521	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	2522	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2523	the new (success) or old (failed) map position. In either case, $done will
		2524	be called at the end of this process.
1986		2525
1987	=cut	2526	=cut
		2527
		2528	our $GOTOGEN;
1988		2529
1989	sub cf::object::player::goto {	2530	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2531	my ($self, $path, $x, $y, $check, $done) = @_;
		2532
		2533	# do generation counting so two concurrent goto's will be executed in-order
		2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2535
1992	$self->enter_link;	2536	$self->enter_link;
1993		2537
1994	(async {	2538	(async {
		2539	$Coro::current->{desc} = "player::goto $path $x $y";
		2540
		2541	# *tag paths override both path and x|y
		2542	if ($path =~ /^\*(.*)$/) {
		2543	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2544	my $ob = $obs[rand @obs];
		2545
		2546	# see if we actually can go there
		2547	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2548	$ob = $obs[rand @obs];
		2549	} else {
		2550	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2551	}
		2552	# else put us there anyways for now #d#
		2553
		2554	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2555	} else {
		2556	($path, $x, $y) = (undef, undef, undef);
		2557	}
		2558	}
		2559
1995	my $map = eval {	2560	my $map = eval {
1996	my $map = cf::map::find $path;	2561	my $map = defined $path ? cf::map::find $path : undef;
1997		2562
1998	if ($map) {	2563	if ($map) {
1999	$map = $map->customise_for ($self);	2564	$map = $map->customise_for ($self);
2000	$map = $check->($map) if $check && $map;	2565	$map = $check->($map) if $check && $map;
2001	} else {	2566	} else {
2002	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003	}	2568	}
2004		2569
2005	$map	2570	$map
2006	};	2571	};
2007		2572
2008	if ($@) {	2573	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2574	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2575	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2576	}
2012		2577
		2578	if ($gen == $self->{_goto_generation}) {
		2579	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2580	$self->leave_link ($map, $x, $y);
		2581	}
		2582
		2583	$done->() if $done;
2014	})->prio (1);	2584	})->prio (1);
2015	}	2585	}
2016		2586
2017	=item $player_object->enter_exit ($exit_object)	2587	=item $player_object->enter_exit ($exit_object)
2018		2588
…		…
2087	my $hp = $exit->stats->hp;	2657	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;	2658	my $sp = $exit->stats->sp;
2089		2659
2090	$self->enter_link;	2660	$self->enter_link;
2091		2661
		2662	# if exit is damned, update players death & WoR home-position
		2663	$self->contr->savebed ($slaying, $hp, $sp)
		2664	if $exit->flag (FLAG_DAMNED);
		2665
2092	(async {	2666	(async {
		2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2668
2093	$self->deactivate_recursive; # just to be sure	2669	$self->deactivate_recursive; # just to be sure
2094	unless (eval {	2670	unless (eval {
2095	$self->goto ($slaying, $hp, $sp);	2671	$self->goto ($slaying, $hp, $sp);
2096		2672
2097	1;	2673	1;
…		…
2123		2699
2124	utf8::encode $text;	2700	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2702	}
2127		2703
		2704	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2705
		2706	Send a drawinfo or msg packet to the client, formatting the msg for the
		2707	client if neccessary. C<$type> should be a string identifying the type of
		2708	the message, with C<log> being the default. If C<$color> is negative, suppress
		2709	the message unless the client supports the msg packet.
		2710
		2711	=cut
		2712
		2713	# non-persistent channels (usually the info channel)
		2714	our %CHANNEL = (
		2715	"c/identify" => {
		2716	id => "infobox",
		2717	title => "Identify",
		2718	reply => undef,
		2719	tooltip => "Items recently identified",
		2720	},
		2721	"c/examine" => {
		2722	id => "infobox",
		2723	title => "Examine",
		2724	reply => undef,
		2725	tooltip => "Signs and other items you examined",
		2726	},
		2727	"c/book" => {
		2728	id => "infobox",
		2729	title => "Book",
		2730	reply => undef,
		2731	tooltip => "The contents of a note or book",
		2732	},
		2733	"c/lookat" => {
		2734	id => "infobox",
		2735	title => "Look",
		2736	reply => undef,
		2737	tooltip => "What you saw there",
		2738	},
		2739	"c/who" => {
		2740	id => "infobox",
		2741	title => "Players",
		2742	reply => undef,
		2743	tooltip => "Shows players who are currently online",
		2744	},
		2745	"c/body" => {
		2746	id => "infobox",
		2747	title => "Body Parts",
		2748	reply => undef,
		2749	tooltip => "Shows which body parts you posess and are available",
		2750	},
		2751	"c/uptime" => {
		2752	id => "infobox",
		2753	title => "Uptime",
		2754	reply => undef,
		2755	tooltip => "How long the server has been running since last restart",
		2756	},
		2757	"c/mapinfo" => {
		2758	id => "infobox",
		2759	title => "Map Info",
		2760	reply => undef,
		2761	tooltip => "Information related to the maps",
		2762	},
		2763	);
		2764
		2765	sub cf::client::send_msg {
		2766	my ($self, $channel, $msg, $color, @extra) = @_;
		2767
		2768	$msg = $self->pl->expand_cfpod ($msg);
		2769
		2770	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2771
		2772	# check predefined channels, for the benefit of C
		2773	if ($CHANNEL{$channel}) {
		2774	$channel = $CHANNEL{$channel};
		2775
		2776	$self->ext_msg (channel_info => $channel)
		2777	if $self->can_msg;
		2778
		2779	$channel = $channel->{id};
		2780
		2781	} elsif (ref $channel) {
		2782	# send meta info to client, if not yet sent
		2783	unless (exists $self->{channel}{$channel->{id}}) {
		2784	$self->{channel}{$channel->{id}} = $channel;
		2785	$self->ext_msg (channel_info => $channel)
		2786	if $self->can_msg;
		2787	}
		2788
		2789	$channel = $channel->{id};
		2790	}
		2791
		2792	return unless @extra || length $msg;
		2793
		2794	if ($self->can_msg) {
		2795	# default colour, mask it out
		2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2797	if $color & cf::NDI_DEF;
		2798
		2799	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2801	} else {
		2802	if ($color >= 0) {
		2803	# replace some tags by gcfclient-compatible ones
		2804	for ($msg) {
		2805	1 while
		2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2811	}
		2812
		2813	$color &= cf::NDI_COLOR_MASK;
		2814
		2815	utf8::encode $msg;
		2816
		2817	if (0 && $msg =~ /\[/) {
		2818	# COMMAND/INFO
		2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2820	} else {
		2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2822	$self->send_packet ("drawinfo $color $msg")
		2823	}
		2824	}
		2825	}
		2826	}
		2827
2128	=item $client->ext_event ($type, %msg)	2828	=item $client->ext_msg ($type, @msg)
2129		2829
2130	Sends an exti event to the client.	2830	Sends an ext event to the client.
2131		2831
2132	=cut	2832	=cut
2133		2833
2134	sub cf::client::ext_event($$%) {	2834	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	2835	my ($self, $type, @msg) = @_;
2136		2836
		2837	if ($self->extcmd == 2) {
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2839	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	2840	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2842	}
		2843	}
		2844
		2845	=item $client->ext_reply ($msgid, @msg)
		2846
		2847	Sends an ext reply to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_reply($$@) {
		2852	my ($self, $id, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2856	} elsif ($self->extcmd == 1) {
		2857	#TODO: version 1, remove
		2858	unshift @msg, msgtype => "reply", msgid => $id;
		2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2860	}
2139	}	2861	}
2140		2862
2141	=item $success = $client->query ($flags, "text", \&cb)	2863	=item $success = $client->query ($flags, "text", \&cb)
2142		2864
2143	Queues a query to the client, calling the given callback with	2865	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>,	2866	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>.	2867	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		2868
2147	Queries can fail, so check the return code. Or don't, as queries will become	2869	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	2870	become reliable at some point in the future.
2149		2871
2150	=cut	2872	=cut
2151		2873
2152	sub cf::client::query {	2874	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	2875	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	2883	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2884	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		2885
2164	$self->send_packet ($self->{query_queue}[0][0])	2886	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	2887	if @{ $self->{query_queue} } == 1;
		2888
		2889	1
2166	}	2890	}
2167		2891
2168	cf::client->attach (	2892	cf::client->attach (
		2893	on_connect => sub {
		2894	my ($ns) = @_;
		2895
		2896	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2897	},
2169	on_reply => sub {	2898	on_reply => sub {
2170	my ($ns, $msg) = @_;	2899	my ($ns, $msg) = @_;
2171		2900
2172	# this weird shuffling is so that direct followup queries	2901	# this weird shuffling is so that direct followup queries
2173	# get handled first	2902	# get handled first
…		…
2185	} else {	2914	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2915	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	2916	}
2188	}	2917	}
2189	},	2918	},
		2919	on_exticmd => sub {
		2920	my ($ns, $buf) = @_;
		2921
		2922	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2923
		2924	if (ref $msg) {
		2925	my ($type, $reply, @payload) =
		2926	"ARRAY" eq ref $msg
		2927	? @$msg
		2928	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2929
		2930	my @reply;
		2931
		2932	if (my $cb = $EXTICMD{$type}) {
		2933	@reply = $cb->($ns, @payload);
		2934	}
		2935
		2936	$ns->ext_reply ($reply, @reply)
		2937	if $reply;
		2938
		2939	} else {
		2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2941	}
		2942
		2943	cf::override;
		2944	},
2190	);	2945	);
2191		2946
2192	=item $client->async (\&cb)	2947	=item $client->async (\&cb)
2193		2948
2194	Create a new coroutine, running the specified callback. The coroutine will	2949	Create a new coroutine, running the specified callback. The coroutine will
…		…
2235	our $safe = new Safe "safe";	2990	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	2991	our $safe_hole = new Safe::Hole;
2237		2992
2238	$SIG{FPE} = 'IGNORE';	2993	$SIG{FPE} = 'IGNORE';
2239		2994
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2995	$safe->permit_only (Opcode::opset qw(
		2996	:base_core :base_mem :base_orig :base_math
		2997	grepstart grepwhile mapstart mapwhile
		2998	sort time
		2999	));
2241		3000
2242	# here we export the classes and methods available to script code	3001	# here we export the classes and methods available to script code
2243		3002
2244	=pod	3003	=pod
2245		3004
2246	The following functions and methods are available within a safe environment:	3005	The following functions and methods are available within a safe environment:
2247		3006
2248	cf::object contr pay_amount pay_player map	3007	cf::object
		3008	contr pay_amount pay_player map x y force_find force_add destroy
		3009	insert remove name archname title slaying race decrease_ob_nr
		3010
2249	cf::object::player player	3011	cf::object::player
2250	cf::player peaceful	3012	player
2251	cf::map trigger	3013
		3014	cf::player
		3015	peaceful
		3016
		3017	cf::map
		3018	trigger
2252		3019
2253	=cut	3020	=cut
2254		3021
2255	for (	3022	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3024	insert remove inv name archname title slaying race
		3025	decrease_ob_nr destroy)],
2257	["cf::object::player" => qw(player)],	3026	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	3027	["cf::player" => qw(peaceful)],
2259	["cf::map" => qw(trigger)],	3028	["cf::map" => qw(trigger)],
2260	) {	3029	) {
2261	no strict 'refs';	3030	no strict 'refs';
…		…
2332	=back	3101	=back
2333		3102
2334	=cut	3103	=cut
2335		3104
2336	#############################################################################	3105	#############################################################################
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 $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509
2510	#############################################################################
2511	# the server's init and main functions	3106	# the server's init and main functions
2512		3107
2513	sub load_facedata($) {	3108	sub load_facedata($) {
2514	my ($path) = @_;	3109	my ($path) = @_;
		3110
		3111	# HACK to clear player env face cache, we need some signal framework
		3112	# for this (global event?)
		3113	%ext::player_env::MUSIC_FACE_CACHE = ();
		3114
		3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515		3116
2516	warn "loading facedata from $path\n";	3117	warn "loading facedata from $path\n";
2517		3118
2518	my $facedata;	3119	my $facedata;
2519	0 < aio_load $path, $facedata	3120	0 < aio_load $path, $facedata
…		…
2522	$facedata = Coro::Storable::thaw $facedata;	3123	$facedata = Coro::Storable::thaw $facedata;
2523		3124
2524	$facedata->{version} == 2	3125	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	3126	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		3127
		3128	# patch in the exptable
		3129	$facedata->{resource}{"res/exp_table"} = {
		3130	type => FT_RSRC,
		3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3132	};
		3133	cf::cede_to_tick;
		3134
2527	{	3135	{
2528	my $faces = $facedata->{faceinfo};	3136	my $faces = $facedata->{faceinfo};
2529		3137
2530	while (my ($face, $info) = each %$faces) {	3138	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3140	cf::face::set_visibility $idx, $info->{visibility};
		3141	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535	Coro::cede;	3144
		3145	cf::cede_to_tick;
2536	}	3146	}
2537		3147
2538	while (my ($face, $info) = each %$faces) {	3148	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	3149	next unless $info->{smooth};
2540	my $idx = cf::face::find $face	3150	my $idx = cf::face::find $face
2541	or next;	3151	or next;
2542	if (my $smooth = cf::face::find $info->{smooth}) {	3152	if (my $smooth = cf::face::find $info->{smooth}) {
		3153	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	3155	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	3156	warn "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	3157	}
2547	Coro::cede;	3158
		3159	cf::cede_to_tick;
2548	}	3160	}
2549	}	3161	}
2550		3162
2551	{	3163	{
2552	my $anims = $facedata->{animinfo};	3164	my $anims = $facedata->{animinfo};
2553		3165
2554	while (my ($anim, $info) = each %$anims) {	3166	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	3167	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	3168	cf::cede_to_tick;
2557	}	3169	}
2558		3170
2559	cf::anim::invalidate_all; # d'oh	3171	cf::anim::invalidate_all; # d'oh
2560	}	3172	}
2561		3173
		3174	{
		3175	# TODO: for gcfclient pleasure, we should give resources
		3176	# that gcfclient doesn't grok a >10000 face index.
		3177	my $res = $facedata->{resource};
		3178
		3179	my $soundconf = delete $res->{"res/sound.conf"};
		3180
		3181	while (my ($name, $info) = each %$res) {
		3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3183	my $data;
		3184
		3185	if ($info->{type} & 1) {
		3186	# prepend meta info
		3187
		3188	my $meta = $enc->encode ({
		3189	name => $name,
		3190	%{ $info->{meta} || {} },
		3191	});
		3192
		3193	$data = pack "(w/a*)*", $meta, $info->{data};
		3194	} else {
		3195	$data = $info->{data};
		3196	}
		3197
		3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3199	cf::face::set_type $idx, $info->{type};
		3200
		3201	cf::cede_to_tick;
		3202	}
		3203
		3204	if ($soundconf) {
		3205	$soundconf = $enc->decode (delete $soundconf->{data});
		3206
		3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3208	my $sound = $soundconf->{compat}[$_]
		3209	or next;
		3210
		3211	my $face = cf::face::find "sound/$sound->[1]";
		3212	cf::sound::set $sound->[0] => $face;
		3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3214	}
		3215
		3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3217	my $face = cf::face::find "sound/$v";
		3218	cf::sound::set $k => $face;
		3219	}
		3220	}
		3221	}
		3222
2562	1	3223	1
2563	}	3224	}
2564		3225
		3226	register_exticmd fx_want => sub {
		3227	my ($ns, $want) = @_;
		3228
		3229	while (my ($k, $v) = each %$want) {
		3230	$ns->fx_want ($k, $v);
		3231	}
		3232	};
		3233
2565	sub reload_regions {	3234	sub reload_regions {
		3235	# HACK to clear player env face cache, we need some signal framework
		3236	# for this (global event?)
		3237	%ext::player_env::MUSIC_FACE_CACHE = ();
		3238
2566	load_resource_file "$MAPDIR/regions"	3239	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	3240	or die "unable to load regions file\n";
		3241
		3242	for (cf::region::list) {
		3243	$_->{match} = qr/$_->{match}/
		3244	if exists $_->{match};
		3245	}
2568	}	3246	}
2569		3247
2570	sub reload_facedata {	3248	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	3249	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	3250	or die "unable to load facedata\n";
2573	}	3251	}
2574		3252
2575	sub reload_archetypes {	3253	sub reload_archetypes {
2576	load_resource_file "$DATADIR/archetypes"	3254	load_resource_file "$DATADIR/archetypes"
2577	or die "unable to load archetypes\n";	3255	or die "unable to load archetypes\n";
		3256	#d# NEED to laod twice to resolve forward references
		3257	# this really needs to be done in an extra post-pass
		3258	# (which needs to be synchronous, so solve it differently)
		3259	load_resource_file "$DATADIR/archetypes"
		3260	or die "unable to load archetypes\n";
2578	}	3261	}
2579		3262
2580	sub reload_treasures {	3263	sub reload_treasures {
2581	load_resource_file "$DATADIR/treasures"	3264	load_resource_file "$DATADIR/treasures"
2582	or die "unable to load treasurelists\n";	3265	or die "unable to load treasurelists\n";
…		…
2585	sub reload_resources {	3268	sub reload_resources {
2586	warn "reloading resource files...\n";	3269	warn "reloading resource files...\n";
2587		3270
2588	reload_regions;	3271	reload_regions;
2589	reload_facedata;	3272	reload_facedata;
		3273	#reload_archetypes;#d#
2590	reload_archetypes;	3274	reload_archetypes;
2591	reload_treasures;	3275	reload_treasures;
2592		3276
2593	warn "finished reloading resource files\n";	3277	warn "finished reloading resource files\n";
2594	}	3278	}
2595		3279
2596	sub init {	3280	sub init {
2597	reload_resources;	3281	reload_resources;
2598	}	3282	}
2599		3283
2600	sub cfg_load {	3284	sub reload_config {
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3285	open my $fh, "<:utf8", "$CONFDIR/config"
2602	or return;	3286	or return;
2603		3287
2604	local $/;	3288	local $/;
2605	*CFG = YAML::Syck::Load <$fh>;	3289	*CFG = YAML::Syck::Load <$fh>;
…		…
2621	sub main {	3305	sub main {
2622	# we must not ever block the main coroutine	3306	# we must not ever block the main coroutine
2623	local $Coro::idle = sub {	3307	local $Coro::idle = sub {
2624	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625	(async {	3309	(async {
		3310	$Coro::current->{desc} = "IDLE BUG HANDLER";
2626	Event::one_event;	3311	Event::one_event;
2627	})->prio (Coro::PRIO_MAX);	3312	})->prio (Coro::PRIO_MAX);
2628	};	3313	};
2629		3314
2630	cfg_load;	3315	reload_config;
2631	db_init;	3316	db_init;
2632	load_extensions;	3317	load_extensions;
2633		3318
2634	$TICK_WATCHER->start;	3319	$TICK_WATCHER->start;
2635	Event::loop;	3320	Event::loop;
…		…
2651	},	3336	},
2652	);	3337	);
2653	}	3338	}
2654	}	3339	}
2655		3340
		3341	sub write_runtime {
		3342	my $runtime = "$LOCALDIR/runtime";
		3343
		3344	# first touch the runtime file to show we are still running:
		3345	# the fsync below can take a very very long time.
		3346
		3347	IO::AIO::aio_utime $runtime, undef, undef;
		3348
		3349	my $guard = cf::lock_acquire "write_runtime";
		3350
		3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3352	or return;
		3353
		3354	my $value = $cf::RUNTIME + 90 + 10;
		3355	# 10 is the runtime save interval, for a monotonic clock
		3356	# 60 allows for the watchdog to kill the server.
		3357
		3358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3359	and return;
		3360
		3361	# always fsync - this file is important
		3362	aio_fsync $fh
		3363	and return;
		3364
		3365	# touch it again to show we are up-to-date
		3366	aio_utime $fh, undef, undef;
		3367
		3368	close $fh
		3369	or return;
		3370
		3371	aio_rename "$runtime~", $runtime
		3372	and return;
		3373
		3374	warn "runtime file written.\n";
		3375
		3376	1
		3377	}
		3378
2656	sub emergency_save() {	3379	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3380	my $freeze_guard = cf::freeze_mainloop;
2658		3381
2659	warn "enter emergency perl save\n";	3382	warn "enter emergency perl save\n";
2660		3383
…		…
2664	# and maps saved/destroyed asynchronously.	3387	# and maps saved/destroyed asynchronously.
2665	warn "begin emergency player save\n";	3388	warn "begin emergency player save\n";
2666	for my $login (keys %cf::PLAYER) {	3389	for my $login (keys %cf::PLAYER) {
2667	my $pl = $cf::PLAYER{$login} or next;	3390	my $pl = $cf::PLAYER{$login} or next;
2668	$pl->valid or next;	3391	$pl->valid or next;
		3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669	$pl->save;	3393	$pl->save;
2670	}	3394	}
2671	warn "end emergency player save\n";	3395	warn "end emergency player save\n";
2672		3396
2673	warn "begin emergency map save\n";	3397	warn "begin emergency map save\n";
…		…
2721		3445
2722	warn "flushing outstanding aio requests";	3446	warn "flushing outstanding aio requests";
2723	for (;;) {	3447	for (;;) {
2724	BDB::flush;	3448	BDB::flush;
2725	IO::AIO::flush;	3449	IO::AIO::flush;
2726	Coro::cede;	3450	Coro::cede_notself;
2727	last unless IO::AIO::nreqs || BDB::nreqs;	3451	last unless IO::AIO::nreqs || BDB::nreqs;
2728	warn "iterate...";	3452	warn "iterate...";
2729	}	3453	}
2730		3454
2731	++$RELOAD;	3455	++$RELOAD;
…		…
2735	%EXT_CORO = ();	3459	%EXT_CORO = ();
2736		3460
2737	warn "removing commands";	3461	warn "removing commands";
2738	%COMMAND = ();	3462	%COMMAND = ();
2739		3463
2740	warn "removing ext commands";	3464	warn "removing ext/exti commands";
2741	%EXTCMD = ();	3465	%EXTCMD = ();
		3466	%EXTICMD = ();
2742		3467
2743	warn "unloading/nuking all extensions";	3468	warn "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	3469	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	3470	warn "... unloading $pkg";
2746		3471
…		…
2789	warn "reloading cf.pm";	3514	warn "reloading cf.pm";
2790	require cf;	3515	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792		3517
2793	warn "loading config and database again";	3518	warn "loading config and database again";
2794	cf::cfg_load;	3519	cf::reload_config;
2795		3520
2796	warn "loading extensions";	3521	warn "loading extensions";
2797	cf::load_extensions;	3522	cf::load_extensions;
2798		3523
2799	warn "reattaching attachments to objects/players";	3524	warn "reattaching attachments to objects/players";
…		…
2835	register_command "reload" => sub {	3560	register_command "reload" => sub {
2836	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2837		3562
2838	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2839	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
2840	async { reload_perl };	3567	reload_perl;
		3568	};
2841	}	3569	}
2842	};	3570	};
2843		3571
2844	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2845		3573
…		…
2864	my $signal = new Coro::Signal;	3592	my $signal = new Coro::Signal;
2865	push @WAIT_FOR_TICK_BEGIN, $signal;	3593	push @WAIT_FOR_TICK_BEGIN, $signal;
2866	$signal->wait;	3594	$signal->wait;
2867	}	3595	}
2868		3596
2869	my $min = 1e6;#d#
2870	my $avg = 10;
2871	$TICK_WATCHER = Event->timer (	3597	$TICK_WATCHER = Event->timer (
2872	reentrant => 0,	3598	reentrant => 0,
2873	parked => 1,	3599	parked => 1,
2874	prio => 0,	3600	prio => 0,
2875	at => $NEXT_TICK || $TICK,	3601	at => $NEXT_TICK || $TICK,
…		…
2883		3609
2884	$NOW = $tick_start = Event::time;	3610	$NOW = $tick_start = Event::time;
2885		3611
2886	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
2887		3613
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;	3614	$RUNTIME += $TICK;
2912	$NEXT_TICK += $TICK;	3615	$NEXT_TICK += $TICK;
2913		3616
2914	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915	$NEXT_RUNTIME_WRITE = $NOW + 10;	3618	$NEXT_RUNTIME_WRITE = $NOW + 10;
2916	Coro::async_pool {	3619	Coro::async_pool {
		3620	$Coro::current->{desc} = "runtime saver";
2917	write_runtime	3621	write_runtime
2918	or warn "ERROR: unable to write runtime file: $!";	3622	or warn "ERROR: unable to write runtime file: $!";
2919	};	3623	};
2920	}	3624	}
2921		3625
2922	# my $AFTER = Event::time;
2923	# warn $AFTER - $NOW;#d#
2924
2925	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926	$sig->send;	3627	$sig->send;
2927	}	3628	}
2928	while (my $sig = shift @WAIT_FOR_TICK) {	3629	while (my $sig = shift @WAIT_FOR_TICK) {
2929	$sig->send;	3630	$sig->send;
…		…
2939		3640
2940	$LOAD = ($NOW - $tick_start) / $TICK;	3641	$LOAD = ($NOW - $tick_start) / $TICK;
2941	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942		3643
2943	_post_tick;	3644	_post_tick;
2944
2945
2946	},	3645	},
2947	);	3646	);
2948		3647
2949	{	3648	{
		3649	BDB::min_parallel 8;
2950	BDB::max_poll_time $TICK * 0.1;	3650	BDB::max_poll_time $TICK * 0.1;
2951	$BDB_POLL_WATCHER = Event->io (	3651	$BDB_POLL_WATCHER = Event->io (
2952	reentrant => 0,	3652	reentrant => 0,
2953	fd => BDB::poll_fileno,	3653	fd => BDB::poll_fileno,
2954	poll => 'r',	3654	poll => 'r',
2955	prio => 0,	3655	prio => 0,
2956	data => WF_AUTOCANCEL,	3656	data => WF_AUTOCANCEL,
2957	cb => \&BDB::poll_cb,	3657	cb => \&BDB::poll_cb,
2958	);	3658	);
2959	BDB::min_parallel 8;
2960		3659
2961	BDB::set_sync_prepare {	3660	BDB::set_sync_prepare {
2962	my $status;	3661	my $status;
2963	my $current = $Coro::current;	3662	my $current = $Coro::current;
2964	(	3663	(
…		…
2973	)	3672	)
2974	};	3673	};
2975		3674
2976	unless ($DB_ENV) {	3675	unless ($DB_ENV) {
2977	$DB_ENV = BDB::db_env_create;	3676	$DB_ENV = BDB::db_env_create;
		3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3678	| BDB::LOG_AUTOREMOVE, 1);
		3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978		3681
2979	cf::sync_job {	3682	cf::sync_job {
2980	eval {	3683	eval {
2981	BDB::db_env_open	3684	BDB::db_env_open
2982	$DB_ENV,	3685	$DB_ENV,
…		…
2984	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3687	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3688	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986	0666;	3689	0666;
2987		3690
2988	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3691	cf::cleanup "db_env_open($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	};	3692	};
2993		3693
2994	cf::cleanup "db_env_open(db): $@" if $@;	3694	cf::cleanup "db_env_open(db): $@" if $@;
2995	};	3695	};
2996	}	3696	}
		3697
		3698	$BDB_DEADLOCK_WATCHER = Event->timer (
		3699	after => 3,
		3700	interval => 1,
		3701	hard => 1,
		3702	prio => 0,
		3703	data => WF_AUTOCANCEL,
		3704	cb => sub {
		3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3706	},
		3707	);
		3708	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3709	after => 11,
		3710	interval => 60,
		3711	hard => 1,
		3712	prio => 0,
		3713	data => WF_AUTOCANCEL,
		3714	cb => sub {
		3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3716	},
		3717	);
		3718	$BDB_TRICKLE_WATCHER = Event->timer (
		3719	after => 5,
		3720	interval => 10,
		3721	hard => 1,
		3722	prio => 0,
		3723	data => WF_AUTOCANCEL,
		3724	cb => sub {
		3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3726	},
		3727	);
2997	}	3728	}
2998		3729
2999	{	3730	{
3000	IO::AIO::min_parallel 8;	3731	IO::AIO::min_parallel 8;
3001		3732
…		…
3004	$AIO_POLL_WATCHER = Event->io (	3735	$AIO_POLL_WATCHER = Event->io (
3005	reentrant => 0,	3736	reentrant => 0,
3006	data => WF_AUTOCANCEL,	3737	data => WF_AUTOCANCEL,
3007	fd => IO::AIO::poll_fileno,	3738	fd => IO::AIO::poll_fileno,
3008	poll => 'r',	3739	poll => 'r',
3009	prio => 6,	3740	prio => 0,
3010	cb => \&IO::AIO::poll_cb,	3741	cb => \&IO::AIO::poll_cb,
3011	);	3742	);
3012	}	3743	}
3013		3744
3014	my $_log_backtrace;	3745	my $_log_backtrace;
…		…
3020		3751
3021	# limit the # of concurrent backtraces	3752	# limit the # of concurrent backtraces
3022	if ($_log_backtrace < 2) {	3753	if ($_log_backtrace < 2) {
3023	++$_log_backtrace;	3754	++$_log_backtrace;
3024	async {	3755	async {
		3756	$Coro::current->{desc} = "abt $msg";
		3757
3025	my @bt = fork_call {	3758	my @bt = fork_call {
3026	@addr = map { sprintf "%x", $_ } @addr;	3759	@addr = map { sprintf "%x", $_ } @addr;
3027	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3760	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3761	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029	or die "addr2line: $!";	3762	or die "addr2line: $!";

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