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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.379 by root, Thu Oct 4 23:59:07 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
94		105
95	binmode STDOUT;	106	binmode STDOUT;
96	binmode STDERR;	107	binmode STDERR;
97		108
98	# read virtual server time, if available	109	# read virtual server time, if available
…		…
139		150
140	=item $cf::TICK	151	=item $cf::TICK
141		152
142	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
143		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
144	=item %cf::CFG	165	=item %cf::CFG
145		166
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	168	from wherever your confdir points to.
148		169
…		…
150		171
151	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
152	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
153	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.
154		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
155	=back	182	=back
156		183
157	=cut	184	=cut
158		185
159	BEGIN {	186	BEGIN {
…		…
163	$msg .= "\n"	190	$msg .= "\n"
164	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
165		192
166	$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;
167		194
168	utf8::encode $msg;
169	LOG llevError, $msg;	195	LOG llevError, $msg;
170	};	196	};
171	}	197	}
172		198
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		206
180	# 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
181	# within the Safe compartment.	208	# within the Safe compartment.
182	for my $pkg (qw(	209	for my $pkg (qw(
183	cf::global cf::attachable	210	cf::global cf::attachable
…		…
191	}	218	}
192		219
193	$Event::DIED = sub {	220	$Event::DIED = sub {
194	warn "error in event callback: @_";	221	warn "error in event callback: @_";
195	};	222	};
		223
		224	#############################################################################
196		225
197	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
198		227
199	=over 4	228	=over 4
200		229
…		…
219	$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;
220	$d	249	$d
221	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
222	}	251	}
223		252
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
227		254
228	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
229		256
230	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
231		258
232	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]) }
233		267
234	=item cf::lock_wait $string	268	=item cf::lock_wait $string
235		269
236	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
237		271
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
243	returned.	277	returned.
244		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
245	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
246	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
247		284
248	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
249		286
250	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
251		288
252	=cut	289	=cut
253		290
254	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
255		293
256	sub lock_wait($) {	294	sub lock_wait($) {
257	my ($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#
258		301
259	# wait for lock, if any	302	# wait for lock, if any
260	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	305	Coro::schedule;
…		…
268		311
269	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
270	lock_wait $key;	313	lock_wait $key;
271		314
272	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
273		317
274	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
277	}	322	}
278	}	323	}
279		324
…		…
291	};	336	};
292	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
293	$guard	338	$guard
294	}	339	}
295		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
296	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
297		400
298	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
303		406
304	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
305		408
306	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
307		410
308	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
310	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.
311		415
312	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
313	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
314	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
315	fast or be very important.	419	fast or be very important.
…		…
318		422
319	sub sync_job(&) {	423	sub sync_job(&) {
320	my ($job) = @_;	424	my ($job) = @_;
321		425
322	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
323	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
325		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
326	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	435	# (but this is cancel-safe)
328	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
329		437
330	my $busy = 1;	438	my $busy = 1;
331	my @res;	439	my @res;
332		440
333	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	443	@res = eval { $job->() };
335	warn $@ if $@;	444	warn $@ if $@;
336	undef $busy;	445	undef $busy;
337	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
338		447
339	while ($busy) {	448	while ($busy) {
340	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
341	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
342		458
343	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
344	} else {	460	} else {
345	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
346		462
…		…
366	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
367		483
368	$coro	484	$coro
369	}	485	}
370		486
371	sub write_runtime {	487	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		488
374	# first touch the runtime file to show we are still running:	489	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
376		493
377	warn "touching runtime...\n";#d#	494	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	495
379	utime undef, undef, $fh;	496	sub fork_call(&@) {
		497	my ($cb, @args) = @_;
		498
		499	# we seemingly have to make a local copy of the whole thing,
		500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
		502
		503	my @res = Coro::Util::fork_eval {
		504	reset_signals;
		505	&$cb
		506	}, @args;
		507
		508	wantarray ? @res : $res[-1]
		509	}
		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
380	}	538	};
		539	cf::cleanup "db_open(db): $@" if $@;
381		540
382	my $guard = cf::lock_acquire "write_runtime";	541	$db
		542	}
383		543
384	warn "starting to write runtime...\n";#d#	544	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		545
388	my $value = $cf::RUNTIME + 90 + 10;	546	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	547	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	548	$DB ||= db_table "db";
		549	};
		550	}
391		551
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	sub db_get($$) {
393	and return;	553	my $key = "$_[0]/$_[1]";
394		554
395	# always fsync - this file is important	555	cf::sync_job {
396	aio_fsync $fh	556	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		557
399	# touch it again to show we are up-to-date	558	$! ? ()
400	utime undef, undef, $fh;	559	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
411	}	636	}
412		637
413	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
414		639
415	Log a datalog packet of the given type with the given key-value pairs.	640	Log a datalog packet of the given type with the given key-value pairs.
…		…
433	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
435		660
436	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	663	Crossfire TRT).
439		664
440	=over 4	665	=over 4
441		666
442	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
443		668
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
607		832
608	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		837
613	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	839	my $pkg = shift @arg;
615		840
616	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
646	}	871	}
647		872
648	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
649	} else {	874	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	876	}
652		877
653	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
654	}	879	}
655		880
…		…
657	if (ref $_[0]) {	882	if (ref $_[0]) {
658	_object_attach @_;	883	_object_attach @_;
659	} else {	884	} else {
660	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
661	}	886	}
		887	_recalc_want;
662	};	888	};
663		889
664	# all those should be optimised	890	# all those should be optimised
665	sub cf::attachable::detach {	891	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
670	reattach ($obj);	896	reattach ($obj);
671	} else {	897	} else {
672	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
673	}	899	}
		900	_recalc_want;
674	};	901	};
675		902
676	sub cf::attachable::attached {	903	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
678		905
…		…
693	";	920	";
694	die if $@;	921	die if $@;
695	}	922	}
696		923
697	our $override;	924	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		926
700	sub override {	927	sub override {
701	$override = 1;	928	$override = 1;
702	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
703	}	930	}
704		931
705	sub do_invoke {	932	sub do_invoke {
706	my $event = shift;	933	my $event = shift;
707	my $callbacks = shift;	934	my $callbacks = shift;
708		935
709	@invoke_results = ();	936	@INVOKE_RESULTS = ();
710		937
711	local $override;	938	local $override;
712		939
713	for (@$callbacks) {	940	for (@$callbacks) {
714	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
731		958
732	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
733		960
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		964
738	=back	965	=back
739		966
740	=cut	967	=cut
741		968
742	#############################################################################	969	#############################################################################
743	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
744		982
745	sub reattach {	983	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	985	my ($obj) = @_;
748		986
…		…
795	sub object_freezer_save {	1033	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
797		1035
798	sync_job {	1036	sync_job {
799	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
802		1041
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
…		…
825	}	1064	}
826	} else {	1065	} else {
827	aio_unlink $filename;	1066	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
829	}	1068	}
830	}	1069	};
831	}	1070	}
832		1071
833	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
835		1074
…		…
847	or return;	1086	or return;
848		1087
849	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
851	or return;	1090	or return;
		1091
852	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
853	}	1093	}
854		1094
		1095	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1097	$decname, length $data, scalar @{$av || []};
		1098
857	return ($data, $av);	1099	($data, $av)
858	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
859		1107
860	#############################################################################	1108	#############################################################################
861	# command handling &c	1109	# command handling &c
862		1110
863	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1125	}
878		1126
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1128
881	Register a callbackf ro execution when the client sends an extcmd packet.	1129	Register a callback for execution when the client sends an (synchronous)
		1130	extcmd packet. Ext commands will be processed in the order they are
		1131	received by the server, like other user commands. The first argument is
		1132	the logged-in player. Ext commands can only be processed after a player
		1133	has logged in successfully.
882		1134
883	If the callback returns something, it is sent back as if reply was being	1135	If the callback returns something, it is sent back as if reply was being
884	called.	1136	called.
885		1137
		1138	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1139
		1140	Register a callback for execution when the client sends an (asynchronous)
		1141	exticmd packet. Exti commands are processed by the server as soon as they
		1142	are received, i.e. out of order w.r.t. other commands. The first argument
		1143	is a client socket. Exti commands can be received anytime, even before
		1144	log-in.
		1145
		1146	If the callback returns something, it is sent back as if reply was being
		1147	called.
		1148
886	=cut	1149	=cut
887		1150
888	sub register_extcmd {	1151	sub register_extcmd {
889	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
890		1153
891	$EXTCMD{$name} = $cb;	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
892	}	1161	}
893		1162
894	cf::player->attach (	1163	cf::player->attach (
895	on_command => sub {	1164	on_command => sub {
896	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1174	cf::override;
906	},	1175	},
907	on_extcmd => sub {	1176	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
909		1178
910	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1180
912	if (ref $msg) {	1181	if (ref $msg) {
		1182	my ($type, $reply, @payload) =
		1183	"ARRAY" eq ref $msg
		1184	? @$msg
		1185	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1186
		1187	my @reply;
		1188
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
918	} else {	1196	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1198	}
921		1199
922	cf::override;	1200	cf::override;
923	},	1201	},
924	);	1202	);
925		1203
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1204	sub load_extensions {
		1205	cf::sync_job {
		1206	my %todo;
		1207
961	for my $ext (<$LIBDIR/*.ext>) {	1208	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1209	next unless -r $path;
963	eval {	1210
964	load_extension $ext;	1211	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1212	my $base = $1;
		1213	my $pkg = $1;
		1214	$pkg =~ s/[^[:word:]]/_/g;
		1215	$pkg = "ext::$pkg";
		1216
		1217	open my $fh, "<:utf8", $path
		1218	or die "$path: $!";
		1219
		1220	my $source = do { local $/; <$fh> };
		1221
		1222	my %ext = (
		1223	path => $path,
		1224	base => $base,
		1225	pkg => $pkg,
		1226	);
		1227
		1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1230
		1231	$ext{source} =
		1232	"package $pkg; use strict; use utf8;\n"
		1233	. "#line 1 \"$path\"\n{\n"
		1234	. $source
		1235	. "\n};\n1";
		1236
		1237	$todo{$base} = \%ext;
		1238	}
		1239
		1240	my %done;
		1241	while (%todo) {
		1242	my $progress;
		1243
		1244	while (my ($k, $v) = each %todo) {
		1245	for (split /,\s*/, $v->{meta}{depends}) {
		1246	goto skip
		1247	unless exists $done{$_};
		1248	}
		1249
		1250	warn "... loading '$k' into '$v->{pkg}'\n";
		1251
		1252	unless (eval $v->{source}) {
		1253	my $msg = $@ ? "$v->{path}: $@\n"
		1254	: "$v->{base}: extension inactive.\n";
		1255
		1256	if (exists $v->{meta}{mandatory}) {
		1257	warn $msg;
		1258	warn "mandatory extension failed to load, exiting.\n";
		1259	exit 1;
		1260	}
		1261
		1262	warn $msg;
		1263	}
		1264
		1265	$done{$k} = delete $todo{$k};
		1266	push @EXTS, $v->{pkg};
		1267	$progress = 1;
965	1	1268	}
966	} or warn "$ext not loaded: $@";	1269
		1270	skip:
		1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1272	unless $progress;
		1273	}
967	}	1274	};
968	}	1275	}
969		1276
970	#############################################################################	1277	#############################################################################
971		1278
		1279	=back
		1280
972	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
973		1282
974	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
975		1284
976	=cut	1285	=cut
…		…
980	use Coro::AIO;	1289	use Coro::AIO;
981		1290
982	=head3 cf::player	1291	=head3 cf::player
983		1292
984	=over 4	1293	=over 4
		1294
		1295	=item cf::player::num_playing
		1296
		1297	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1298
		1299	=cut
		1300
		1301	sub num_playing {
		1302	scalar grep
		1303	$_->ob->map
		1304	&& !$_->hidden
		1305	&& !$_->ob->flag (cf::FLAG_WIZ),
		1306	cf::player::list
		1307	}
985		1308
986	=item cf::player::find $login	1309	=item cf::player::find $login
987		1310
988	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
989		1312
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1351	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1352
1030	my $pl = load_pl path $login	1353	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1354	or return;
		1355
		1356	my $pl = cf::player::load_pl $f
		1357	or return;
		1358	local $cf::PLAYER_LOADING{$login} = $pl;
		1359	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
1033	}	1361	}
1034	}	1362	}
1035	}	1363	}
1036		1364
…		…
1046		1374
1047	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
1049		1377
1050	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
1051	Coro::cede;	1379	cf::cede_to_tick;
1052	}	1380	}
1053		1381
1054	sub new($) {	1382	sub new($) {
1055	my ($login) = @_;	1383	my ($login) = @_;
1056		1384
…		…
1060	$self->{deny_save} = 1;	1388	$self->{deny_save} = 1;
1061		1389
1062	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1063		1391
1064	$self	1392	$self
		1393	}
		1394
		1395	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1396
		1397	=cut
		1398
		1399	sub send_msg {
		1400	my $ns = shift->ns
		1401	or return;
		1402	$ns->send_msg (@_);
1065	}	1403	}
1066		1404
1067	=item $pl->quit_character	1405	=item $pl->quit_character
1068		1406
1069	Nukes the player without looking back. If logged in, the connection will	1407	Nukes the player without looking back. If logged in, the connection will
…		…
1124	or return [];	1462	or return [];
1125		1463
1126	my @logins;	1464	my @logins;
1127		1465
1128	for my $login (@$dirs) {	1466	for my $login (@$dirs) {
		1467	my $path = path $login;
		1468
		1469	# a .pst is a dead give-away for a valid player
		1470	unless (-e "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1132		1475
1133	utf8::decode $login;	1476	utf8::decode $login;
1134	push @logins, $login;	1477	push @logins, $login;
1135	}	1478	}
1136		1479
…		…
1163	}	1506	}
1164		1507
1165	\@paths	1508	\@paths
1166	}	1509	}
1167		1510
		1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1512
		1513	Expand crossfire pod fragments into protocol xml.
		1514
		1515	=cut
		1516
		1517	sub expand_cfpod {
		1518	((my $self), (local $_)) = @_;
		1519
		1520	# escape & and <
		1521	s/&/&amp;/g;
		1522	s/(?<![BIUGHT])</&lt;/g;
		1523
		1524	# this is buggy, it needs to properly take care of nested <'s
		1525
		1526	1 while
		1527	# replace B<>, I<>, U<> etc.
		1528	s/B<([^\>]*)>/<b>$1<\/b>/
		1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1532	# replace G<male|female> tags
		1533	|| s{G<([^>|]*)\|([^>]*)>}{
		1534	$self->gender ? $2 : $1
		1535	}ge
		1536	# replace H<hint text>
		1537	|| s{H<([^\>]*)>}
		1538	{
		1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1541	"")
		1542	[$self->{hintmode}]
		1543	}ge;
		1544
		1545	# create single paragraphs (very hackish)
		1546	s/(?<=\S)\n(?=\w)/ /g;
		1547
		1548	# compress some whitespace
		1549	s/\s+\n/\n/g; # ws line-ends
		1550	s/\n\n+/\n/g; # double lines
		1551	s/^\n+//; # beginning lines
		1552	s/\n+$//; # ending lines
		1553
		1554	$_
		1555	}
		1556
		1557	sub hintmode {
		1558	$_[0]{hintmode} = $_[1] if @_ > 1;
		1559	$_[0]{hintmode}
		1560	}
		1561
1168	=item $player->ext_reply ($msgid, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1169		1563
1170	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1171		1565
1172	=cut	1566	=cut
1173		1567
1174	sub ext_reply($$%) {	1568	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1176		1570
1177	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1572	}
1181		1573
1182	=item $player->ext_event ($type, %msg)	1574	=item $player->ext_msg ($type, @msg)
1183		1575
1184	Sends an ext event to the client.	1576	Sends an ext event to the client.
1185		1577
1186	=cut	1578	=cut
1187		1579
1188	sub ext_event($$%) {	1580	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1581	my ($self, $type, @msg) = @_;
1190		1582
1191	$self->ns->ext_event ($type, %msg);	1583	$self->ns->ext_msg ($type, @msg);
1192	}	1584	}
1193		1585
1194	=head3 cf::region	1586	=head3 cf::region
1195		1587
1196	=over 4	1588	=over 4
…		…
1199		1591
1200	package cf::region;	1592	package cf::region;
1201		1593
1202	=item cf::region::find_by_path $path	1594	=item cf::region::find_by_path $path
1203		1595
1204	Tries to decuce the probable region for a map knowing only its path.	1596	Tries to decuce the likely region for a map knowing only its path.
1205		1597
1206	=cut	1598	=cut
1207		1599
1208	sub find_by_path($) {	1600	sub find_by_path($) {
1209	my ($path) = @_;	1601	my ($path) = @_;
1210		1602
1211	my ($match, $specificity);	1603	my ($match, $specificity);
1212		1604
1213	for my $region (list) {	1605	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1606	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1607	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1608	if $region->specificity > $specificity;
1217	}	1609	}
1218	}	1610	}
1219		1611
…		…
1283	my ($self, $merge) = @_;	1675	my ($self, $merge) = @_;
1284		1676
1285	# we have to keep some variables in memory intact	1677	# we have to keep some variables in memory intact
1286	local $self->{path};	1678	local $self->{path};
1287	local $self->{load_path};	1679	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1680
1291	$self->SUPER::thawer_merge ($merge);	1681	$self->SUPER::thawer_merge ($merge);
1292	}	1682	}
1293		1683
1294	sub normalise {	1684	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1731	$self->init; # pass $1 etc.
1342	return $self;	1732	return $self;
1343	}	1733	}
1344	}	1734	}
1345		1735
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1737	()
1348	}	1738	}
1349		1739
1350	sub init {	1740	sub init {
1351	my ($self) = @_;	1741	my ($self) = @_;
…		…
1394		1784
1395	$_->change_map_light ($change)	1785	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1786	for grep $_->outdoor, values %cf::MAP;
1397	}	1787	}
1398		1788
		1789	sub decay_objects {
		1790	my ($self) = @_;
		1791
		1792	return if $self->{deny_reset};
		1793
		1794	$self->do_decay_objects;
		1795	}
		1796
1399	sub unlink_save {	1797	sub unlink_save {
1400	my ($self) = @_;	1798	my ($self) = @_;
1401		1799
1402	utf8::encode (my $save = $self->save_path);	1800	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1801	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1804
1407	sub load_header_from($) {	1805	sub load_header_from($) {
1408	my ($self, $path) = @_;	1806	my ($self, $path) = @_;
1409		1807
1410	utf8::encode $path;	1808	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1810	or return;
		1811
		1812	$self->_load_header ($f)
		1813	or return;
		1814
		1815	local $MAP_LOADING{$self->{path}} = $self;
		1816	$f->resolve_delayed_derefs;
1416		1817
1417	$self->{load_path} = $path;	1818	$self->{load_path} = $path;
1418		1819
1419	1	1820	1
1420	}	1821	}
…		…
1459	$self->load_header_orig	1860	$self->load_header_orig
1460	or return;	1861	or return;
1461	$self->prepare_orig;	1862	$self->prepare_orig;
1462	}	1863	}
1463		1864
		1865	$self->{deny_reset} = 1
		1866	if $self->no_reset;
		1867
1464	$self->default_region (cf::region::find_by_path $self->{path})	1868	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1869	unless $self->default_region;
1466		1870
1467	1	1871	1
1468	}	1872	}
…		…
1471	sub find {	1875	sub find {
1472	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1473		1877
1474	$path = normalise $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1475		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1881	cf::lock_wait "map_find:$path";
1477		1882
1478	$cf::MAP{$path} || do {	1883	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";	1884	my $guard1 = cf::lock_acquire "map_find:$path";
		1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1886
1480	my $map = new_from_path cf::map $path	1887	my $map = new_from_path cf::map $path
1481	or return;	1888	or return;
1482		1889
1483	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1484		1891
1485	$map->load_header	1892	$map->load_header
1486	or return;	1893	or return;
1487		1894
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1896	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1491	$map->reset;	1900	$map->reset;
1492	undef $guard;
1493	return find $path;	1901	return find $path;
1494	}	1902	}
1495		1903
1496	$cf::MAP{$path} = $map	1904	$cf::MAP{$path} = $map
1497	}	1905	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	1914	local $self->{deny_reset} = 1; # loading can take a long time
1507		1915
1508	my $path = $self->{path};	1916	my $path = $self->{path};
1509		1917
1510	{	1918	{
1511	my $guard = cf::lock_acquire "map_load:$path";	1919	my $guard = cf::lock_acquire "map_data:$path";
1512		1920
		1921	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		1923
1515	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1516		1925
1517	$self->alloc;	1926	$self->alloc;
1518		1927
1519	$self->pre_load;	1928	$self->pre_load;
1520	Coro::cede;	1929	cf::cede_to_tick;
1521		1930
		1931	my $f = new_from_file cf::object::thawer $self->{load_path};
		1932	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	1933	$self->_load_objects ($f)
1523	or return;	1934	or return;
1524		1935
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526	if delete $self->{load_original};	1937	if delete $self->{load_original};
1527		1938
1528	if (my $uniq = $self->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	1940	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	1943	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1533	}	1947	}
1534	}	1948	}
1535		1949
1536	Coro::cede;	1950	$f->resolve_delayed_derefs;
		1951
		1952	cf::cede_to_tick;
1537	# now do the right thing for maps	1953	# now do the right thing for maps
1538	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	1955	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	1956	unless $self->difficulty;
1541	Coro::cede;	1957	cf::cede_to_tick;
1542		1958
1543	unless ($self->{deny_activate}) {	1959	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	1960	$self->decay_objects;
1545	$self->fix_auto_apply;	1961	$self->fix_auto_apply;
1546	$self->update_buttons;	1962	$self->update_buttons;
1547	Coro::cede;	1963	cf::cede_to_tick;
1548	$self->set_darkness_map;	1964	$self->set_darkness_map;
1549	Coro::cede;	1965	cf::cede_to_tick;
1550	$self->activate;	1966	$self->activate;
1551	}	1967	}
		1968
		1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
1552		1971
1553	$self->in_memory (cf::MAP_IN_MEMORY);	1972	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	1973	}
1555		1974
1556	$self->post_load;	1975	$self->post_load;
…		…
1560	my ($self, $ob) = @_;	1979	my ($self, $ob) = @_;
1561		1980
1562	return find "~" . $ob->name . "/" . $self->{path}	1981	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1982	if $self->per_player;
1564		1983
		1984	# return find "?party/" . $ob->name . "/" . $self->{path}
		1985	# if $self->per_party;
		1986
1565	$self	1987	$self
1566	}	1988	}
1567		1989
1568	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1991	sub load_neighbours {
1570	my ($map) = @_;	1992	my ($map) = @_;
1571		1993
1572	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1573		1995
1574	for (0 .. 3) {	1996	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1576	or next;	1998	or next;
1577	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1578	or next;	2000	or next;
1579	$neigh->load;	2001	$neigh->load;
1580		2002
		2003	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2006	}
1584		2007
1585	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1587	or next;	2011	or next;
1588	$neigh->load;	2012	$neigh->load;
1589	}	2013	}
1590	}	2014	}
1591		2015
…		…
1596	}	2020	}
1597		2021
1598	sub do_load_sync {	2022	sub do_load_sync {
1599	my ($map) = @_;	2023	my ($map) = @_;
1600		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1601	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1602	}	2029	}
1603		2030
1604	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2032	our $MAP_PREFETCHER = undef;
1606		2033
1607	sub find_async {	2034	sub find_async {
1608	my ($path, $origin) = @_;	2035	my ($path, $origin, $load) = @_;
1609		2036
1610	$path = normalise $path, $origin && $origin->{path};	2037	$path = normalise $path, $origin && $origin->{path};
1611		2038
1612	if (my $map = $cf::MAP{$path}) {	2039	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614	}	2041	}
1615		2042
1616	undef $MAP_PREFETCH{$path};	2043	$MAP_PREFETCH{$path} |= $load;
		2044
1617	$MAP_PREFETCHER ||= cf::async {	2045	$MAP_PREFETCHER ||= cf::async {
		2046	$Coro::current->{desc} = "map prefetcher";
		2047
1618	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2050	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2051	$map->load if $v;
		2052	}
1623		2053
1624	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1625	}	2055	}
1626	}	2056	}
1627	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1628	};	2058	};
1629	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2062	}
1633		2063
1634	sub save {	2064	sub save {
1635	my ($self) = @_;	2065	my ($self) = @_;
1636		2066
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2068
1639	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1640		2070
1641	return unless $self->dirty;	2071	return unless $self->dirty;
1642		2072
…		…
1648	return if $self->{deny_save};	2078	return if $self->{deny_save};
1649		2079
1650	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1651		2081
1652	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1654	};	2085	};
1655		2086
1656	if ($uniq) {	2087	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1665	my ($self) = @_;	2096	my ($self) = @_;
1666		2097
1667	# save first because save cedes	2098	# save first because save cedes
1668	$self->save;	2099	$self->save;
1669		2100
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2102
1672	return if $self->players;	2103	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};	2105	return if $self->{deny_save};
1675		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2111	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2112	}
1679		2113
1680	sub reset_at {	2114	sub reset_at {
1681	my ($self) = @_;	2115	my ($self) = @_;
1682		2116
1683	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1686		2119
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2122
…		…
1700	my ($self) = @_;	2133	my ($self) = @_;
1701		2134
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2136
1704	return if $self->players;	2137	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2138
1707	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1708		2140
1709	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1710		2142
1711	# need to save uniques path	2143	# need to save uniques path
1712	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2148	if $uniq;
1717	}	2149	}
1718		2150
1719	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1720		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2155	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2156
1725	$self->unlink_save;	2157	$self->unlink_save;
1726	$self->destroy;	2158	$self->destroy;
1727	}	2159	}
1728		2160
1729	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1730		2162
1731	sub nuke {	2163	sub nuke {
1732	my ($self) = @_;	2164	my ($self) = @_;
1733		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1734	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1735		2170
1736	$self->unlink_save;	2171	$self->unlink_save;
1737		2172
1738	bless $self, "cf::map";	2173	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2178
1744	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1745		2181
1746	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1747	}	2219	}
1748		2220
1749	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1750		2222
1751	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2224	instantiated unique items. May block.
1753		2225
1754	=cut	2226	=cut
1755		2227
1756	sub unique_maps() {	2228	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2229	[
1758	or return;	2230	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2231	utf8::decode $_;
1764	next if /\.pst$/;	2232	/\.map$/
1765	next unless /^$PATH_SEP/o;	2233	? normalise $_
1766		2234	: ()
1767	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2236	]
1769
1770	\@paths
1771	}	2237	}
1772		2238
1773	package cf;	2239	package cf;
1774		2240
1775	=back	2241	=back
…		…
1793	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1794	}	2260	}
1795		2261
1796	sub inv_recursive {	2262	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2281	my ($uuid, $name) = ($1, $2);
		2282	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2283	or return;
		2284	$pl->ob->uuid eq $uuid
		2285	or return;
		2286
		2287	$pl->ob
		2288	} else {
		2289	warn "$ref: cannot resolve object reference\n";
		2290	undef
		2291	}
1798	}	2292	}
1799		2293
1800	package cf;	2294	package cf;
1801		2295
1802	=back	2296	=back
…		…
1821		2315
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2317
1824	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1826	} else {	2321	} else {
		2322	my $pl = $self->contr;
		2323
		2324	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2325	my $dialog = $pl->{npc_dialog};
		2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2327
		2328	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1829	}	2332	}
		2333	}
		2334
		2335	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2336
		2337	=cut
		2338
		2339	sub cf::object::send_msg {
		2340	my $pl = shift->contr
		2341	or return;
		2342	$pl->send_msg (@_);
1830	}	2343	}
1831		2344
1832	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1833		2346
1834	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2394	$self->deactivate_recursive;
1882		2395
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2396	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2397
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2398	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2399	if $self->map && $self->map->{path} ne "{link}";
1887		2400
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2401	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2402	}
1890		2403
1891	sub cf::object::player::leave_link {	2404	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2405	my ($self, $map, $x, $y) = @_;
		2406
		2407	return unless $self->contr->active;
1893		2408
1894	my $link_pos = delete $self->{_link_pos};	2409	my $link_pos = delete $self->{_link_pos};
1895		2410
1896	unless ($map) {	2411	unless ($map) {
1897	# restore original map position	2412	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
1914		2429
1915	$map->load;	2430	$map->load;
1916	$map->load_diag;	2431	$map->load_neighbours;
1917		2432
1918	return unless $self->contr->active;	2433	return unless $self->contr->active;
1919	$self->activate_recursive;	2434	$self->activate_recursive;
1920		2435
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
1923	}	2438	}
1924		2439
1925	cf::player->attach (	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2441
1929	# abort map switching before logout	2442	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2443	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2444	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2445	the new (success) or old (failed) map position. In either case, $done will
1933	};	2446	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2447
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2448	=cut
		2449
		2450	our $GOTOGEN;
1960		2451
1961	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2453	my ($self, $path, $x, $y, $check, $done) = @_;
		2454
		2455	# do generation counting so two concurrent goto's will be executed in-order
		2456	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2457
1964	$self->enter_link;	2458	$self->enter_link;
1965		2459
1966	(async {	2460	(async {
		2461	$Coro::current->{desc} = "player::goto $path $x $y";
		2462
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1967	my $map = eval {	2482	my $map = eval {
1968	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1970	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2498	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1975	})->prio (1);	2506	})->prio (1);
1976	}	2507	}
1977		2508
1978	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1979		2510
…		…
2048	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
2050		2581
2051	$self->enter_link;	2582	$self->enter_link;
2052		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
2053	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
2054	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2592	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2593	$self->goto ($slaying, $hp, $sp);
2057		2594
2058	1;	2595	1;
…		…
2084		2621
2085	utf8::encode $text;	2622	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2623	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2624	}
2088		2625
		2626	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2627
		2628	Send a drawinfo or msg packet to the client, formatting the msg for the
		2629	client if neccessary. C<$type> should be a string identifying the type of
		2630	the message, with C<log> being the default. If C<$color> is negative, suppress
		2631	the message unless the client supports the msg packet.
		2632
		2633	=cut
		2634
		2635	our %CHANNEL = (
		2636	"c/identify" => {
		2637	id => "infobox",
		2638	title => "Identify",
		2639	reply => undef,
		2640	tooltip => "Items recently identified",
		2641	},
		2642	"c/examine" => {
		2643	id => "infobox",
		2644	title => "Examine",
		2645	reply => undef,
		2646	tooltip => "Signs and other items you examined",
		2647	},
		2648	"c/lookat" => {
		2649	id => "infobox",
		2650	title => "Look",
		2651	reply => undef,
		2652	tooltip => "What you saw there",
		2653	},
		2654	);
		2655
		2656	sub cf::client::send_msg {
		2657	my ($self, $channel, $msg, $color, @extra) = @_;
		2658
		2659	$msg = $self->pl->expand_cfpod ($msg);
		2660
		2661	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2662
		2663	# check predefined channels, for the benefit of C
		2664	if ($CHANNEL{$channel}) {
		2665	$channel = $CHANNEL{$channel};
		2666
		2667	$self->ext_msg (channel_info => $channel)
		2668	if $self->can_msg;
		2669
		2670	$channel = $channel->{id};
		2671
		2672	} elsif (ref $channel) {
		2673	# send meta info to client, if not yet sent
		2674	unless (exists $self->{channel}{$channel->{id}}) {
		2675	$self->{channel}{$channel->{id}} = $channel;
		2676	$self->ext_msg (channel_info => $channel)
		2677	if $self->can_msg;
		2678	}
		2679
		2680	$channel = $channel->{id};
		2681	}
		2682
		2683	return unless @extra || length $msg;
		2684
		2685	if ($self->can_msg) {
		2686	# default colour, mask it out
		2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2688	if $color & cf::NDI_DEF;
		2689
		2690	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2692	} else {
		2693	if ($color >= 0) {
		2694	# replace some tags by gcfclient-compatible ones
		2695	for ($msg) {
		2696	1 while
		2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2702	}
		2703
		2704	$color &= cf::NDI_COLOR_MASK;
		2705
		2706	utf8::encode $msg;
		2707
		2708	if (0 && $msg =~ /\[/) {
		2709	# COMMAND/INFO
		2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2711	} else {
		2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2713	$self->send_packet ("drawinfo $color $msg")
		2714	}
		2715	}
		2716	}
		2717	}
		2718
2089	=item $client->ext_event ($type, %msg)	2719	=item $client->ext_msg ($type, @msg)
2090		2720
2091	Sends an exti event to the client.	2721	Sends an ext event to the client.
2092		2722
2093	=cut	2723	=cut
2094		2724
2095	sub cf::client::ext_event($$%) {	2725	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2726	my ($self, $type, @msg) = @_;
2097		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2731	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
		2735
		2736	=item $client->ext_reply ($msgid, @msg)
		2737
		2738	Sends an ext reply to the client.
		2739
		2740	=cut
		2741
		2742	sub cf::client::ext_reply($$@) {
		2743	my ($self, $id, @msg) = @_;
		2744
		2745	if ($self->extcmd == 2) {
		2746	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2747	} elsif ($self->extcmd == 1) {
		2748	#TODO: version 1, remove
		2749	unshift @msg, msgtype => "reply", msgid => $id;
		2750	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2751	}
2100	}	2752	}
2101		2753
2102	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
2103		2755
2104	Queues a query to the client, calling the given callback with	2756	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2759
2108	Queries can fail, so check the return code. Or don't, as queries will become	2760	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2761	become reliable at some point in the future.
2110		2762
2111	=cut	2763	=cut
2112		2764
2113	sub cf::client::query {	2765	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2774	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2776
2125	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
2127	}	2781	}
2128		2782
2129	cf::client->attach (	2783	cf::client->attach (
		2784	on_connect => sub {
		2785	my ($ns) = @_;
		2786
		2787	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2788	},
2130	on_reply => sub {	2789	on_reply => sub {
2131	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
2132		2791
2133	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
2134	# get handled first	2793	# get handled first
…		…
2146	} else {	2805	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2807	}
2149	}	2808	}
2150	},	2809	},
		2810	on_exticmd => sub {
		2811	my ($ns, $buf) = @_;
		2812
		2813	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2814
		2815	if (ref $msg) {
		2816	my ($type, $reply, @payload) =
		2817	"ARRAY" eq ref $msg
		2818	? @$msg
		2819	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2820
		2821	my @reply;
		2822
		2823	if (my $cb = $EXTICMD{$type}) {
		2824	@reply = $cb->($ns, @payload);
		2825	}
		2826
		2827	$ns->ext_reply ($reply, @reply)
		2828	if $reply;
		2829
		2830	} else {
		2831	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2832	}
		2833
		2834	cf::override;
		2835	},
2151	);	2836	);
2152		2837
2153	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
2154		2839
2155	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
2198		2883
2199	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
2200		2885
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2886	$safe->permit_only (Opcode::opset qw(
		2887	:base_core :base_mem :base_orig :base_math
		2888	grepstart grepwhile mapstart mapwhile
		2889	sort time
		2890	));
2202		2891
2203	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2204		2893
2205	=pod	2894	=pod
2206		2895
2207	The following functions and methods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2208		2897
2209	cf::object contr pay_amount pay_player map	2898	cf::object
		2899	contr pay_amount pay_player map x y force_find force_add
		2900	insert remove name archname title slaying race decrease_ob_nr
		2901
2210	cf::object::player player	2902	cf::object::player
2211	cf::player peaceful	2903	player
2212	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2213		2910
2214	=cut	2911	=cut
2215		2912
2216	for (	2913	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2915	insert remove inv name archname title slaying race
		2916	decrease_ob_nr)],
2218	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2221	) {	2920	) {
2222	no strict 'refs';	2921	no strict 'refs';
…		…
2293	=back	2992	=back
2294		2993
2295	=cut	2994	=cut
2296		2995
2297	#############################################################################	2996	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2997	# the server's init and main functions
2473		2998
2474	sub load_facedata($) {	2999	sub load_facedata($) {
2475	my ($path) = @_;	3000	my ($path) = @_;
		3001
		3002	# HACK to clear player env face cache, we need some signal framework
		3003	# for this (global event?)
		3004	%ext::player_env::MUSIC_FACE_CACHE = ();
		3005
		3006	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		3007
2477	warn "loading facedata from $path\n";	3008	warn "loading facedata from $path\n";
2478		3009
2479	my $facedata;	3010	my $facedata;
2480	0 < aio_load $path, $facedata	3011	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3014	$facedata = Coro::Storable::thaw $facedata;
2484		3015
2485	$facedata->{version} == 2	3016	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3018
		3019	# patch in the exptable
		3020	$facedata->{resource}{"res/exp_table"} = {
		3021	type => FT_RSRC,
		3022	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3023	};
		3024	cf::cede_to_tick;
		3025
2488	{	3026	{
2489	my $faces = $facedata->{faceinfo};	3027	my $faces = $facedata->{faceinfo};
2490		3028
2491	while (my ($face, $info) = each %$faces) {	3029	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3031	cf::face::set_visibility $idx, $info->{visibility};
		3032	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3035
		3036	cf::cede_to_tick;
2497	}	3037	}
2498		3038
2499	while (my ($face, $info) = each %$faces) {	3039	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3040	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	3041	my $idx = cf::face::find $face
2502	or next;	3042	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3043	if (my $smooth = cf::face::find $info->{smooth}) {
		3044	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3046	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3048	}
2508	Coro::cede;	3049
		3050	cf::cede_to_tick;
2509	}	3051	}
2510	}	3052	}
2511		3053
2512	{	3054	{
2513	my $anims = $facedata->{animinfo};	3055	my $anims = $facedata->{animinfo};
2514		3056
2515	while (my ($anim, $info) = each %$anims) {	3057	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3059	cf::cede_to_tick;
2518	}	3060	}
2519		3061
2520	cf::anim::invalidate_all; # d'oh	3062	cf::anim::invalidate_all; # d'oh
2521	}	3063	}
2522		3064
		3065	{
		3066	# TODO: for gcfclient pleasure, we should give resources
		3067	# that gcfclient doesn't grok a >10000 face index.
		3068	my $res = $facedata->{resource};
		3069
		3070	my $soundconf = delete $res->{"res/sound.conf"};
		3071
		3072	while (my ($name, $info) = each %$res) {
		3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3074	my $data;
		3075
		3076	if ($info->{type} & 1) {
		3077	# prepend meta info
		3078
		3079	my $meta = $enc->encode ({
		3080	name => $name,
		3081	%{ $info->{meta} || {} },
		3082	});
		3083
		3084	$data = pack "(w/a*)*", $meta, $info->{data};
		3085	} else {
		3086	$data = $info->{data};
		3087	}
		3088
		3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3090	cf::face::set_type $idx, $info->{type};
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	if ($soundconf) {
		3096	$soundconf = $enc->decode (delete $soundconf->{data});
		3097
		3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3099	my $sound = $soundconf->{compat}[$_]
		3100	or next;
		3101
		3102	my $face = cf::face::find "sound/$sound->[1]";
		3103	cf::sound::set $sound->[0] => $face;
		3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3105	}
		3106
		3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3108	my $face = cf::face::find "sound/$v";
		3109	cf::sound::set $k => $face;
		3110	}
		3111	}
		3112	}
		3113
2523	1	3114	1
2524	}	3115	}
2525		3116
		3117	register_exticmd fx_want => sub {
		3118	my ($ns, $want) = @_;
		3119
		3120	while (my ($k, $v) = each %$want) {
		3121	$ns->fx_want ($k, $v);
		3122	}
		3123	};
		3124
2526	sub reload_regions {	3125	sub reload_regions {
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
2527	load_resource_file "$MAPDIR/regions"	3130	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3131	or die "unable to load regions file\n";
		3132
		3133	for (cf::region::list) {
		3134	$_->{match} = qr/$_->{match}/
		3135	if exists $_->{match};
		3136	}
2529	}	3137	}
2530		3138
2531	sub reload_facedata {	3139	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3140	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3141	or die "unable to load facedata\n";
2534	}	3142	}
2535		3143
2536	sub reload_archetypes {	3144	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	3145	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	3146	or die "unable to load archetypes\n";
		3147	#d# NEED to laod twice to resolve forward references
		3148	# this really needs to be done in an extra post-pass
		3149	# (which needs to be synchronous, so solve it differently)
		3150	load_resource_file "$DATADIR/archetypes"
		3151	or die "unable to load archetypes\n";
2539	}	3152	}
2540		3153
2541	sub reload_treasures {	3154	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3155	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3156	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	3159	sub reload_resources {
2547	warn "reloading resource files...\n";	3160	warn "reloading resource files...\n";
2548		3161
2549	reload_regions;	3162	reload_regions;
2550	reload_facedata;	3163	reload_facedata;
		3164	#reload_archetypes;#d#
2551	reload_archetypes;	3165	reload_archetypes;
2552	reload_treasures;	3166	reload_treasures;
2553		3167
2554	warn "finished reloading resource files\n";	3168	warn "finished reloading resource files\n";
2555	}	3169	}
2556		3170
2557	sub init {	3171	sub init {
2558	reload_resources;	3172	reload_resources;
2559	}	3173	}
2560		3174
2561	sub cfg_load {	3175	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3177	or return;
2564		3178
2565	local $/;	3179	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
…		…
2582	sub main {	3196	sub main {
2583	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2587	Event::one_event;	3202	Event::one_event;
2588	})->prio (Coro::PRIO_MAX);	3203	})->prio (Coro::PRIO_MAX);
2589	};	3204	};
2590		3205
2591	cfg_load;	3206	reload_config;
2592	db_init;	3207	db_init;
2593	load_extensions;	3208	load_extensions;
2594		3209
2595	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
2596	Event::loop;	3211	Event::loop;
…		…
2612	},	3227	},
2613	);	3228	);
2614	}	3229	}
2615	}	3230	}
2616		3231
		3232	sub write_runtime {
		3233	my $runtime = "$LOCALDIR/runtime";
		3234
		3235	# first touch the runtime file to show we are still running:
		3236	# the fsync below can take a very very long time.
		3237
		3238	IO::AIO::aio_utime $runtime, undef, undef;
		3239
		3240	my $guard = cf::lock_acquire "write_runtime";
		3241
		3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3243	or return;
		3244
		3245	my $value = $cf::RUNTIME + 90 + 10;
		3246	# 10 is the runtime save interval, for a monotonic clock
		3247	# 60 allows for the watchdog to kill the server.
		3248
		3249	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3250	and return;
		3251
		3252	# always fsync - this file is important
		3253	aio_fsync $fh
		3254	and return;
		3255
		3256	# touch it again to show we are up-to-date
		3257	aio_utime $fh, undef, undef;
		3258
		3259	close $fh
		3260	or return;
		3261
		3262	aio_rename "$runtime~", $runtime
		3263	and return;
		3264
		3265	warn "runtime file written.\n";
		3266
		3267	1
		3268	}
		3269
2617	sub emergency_save() {	3270	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2619		3272
2620	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2621		3274
…		…
2696	%EXT_CORO = ();	3349	%EXT_CORO = ();
2697		3350
2698	warn "removing commands";	3351	warn "removing commands";
2699	%COMMAND = ();	3352	%COMMAND = ();
2700		3353
2701	warn "removing ext commands";	3354	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3355	%EXTCMD = ();
		3356	%EXTICMD = ();
2703		3357
2704	warn "unloading/nuking all extensions";	3358	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3359	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3360	warn "... unloading $pkg";
2707		3361
…		…
2750	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2751	require cf;	3405	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3407
2754	warn "loading config and database again";	3408	warn "loading config and database again";
2755	cf::cfg_load;	3409	cf::reload_config;
2756		3410
2757	warn "loading extensions";	3411	warn "loading extensions";
2758	cf::load_extensions;	3412	cf::load_extensions;
2759		3413
2760	warn "reattaching attachments to objects/players";	3414	warn "reattaching attachments to objects/players";
…		…
2796	register_command "reload" => sub {	3450	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2798		3452
2799	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3454	$who->message ("reloading server.");
		3455	async {
		3456	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3457	reload_perl;
		3458	};
2802	}	3459	}
2803	};	3460	};
2804		3461
2805	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
2806		3463
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3496	unless ++$bug_warning > 10;
2840	return;	3497	return;
2841	}	3498	}
2842		3499
2843	$NOW = Event::time;	3500	$NOW = $tick_start = Event::time;
2844		3501
2845	cf::server_tick; # one server iteration	3502	cf::server_tick; # one server iteration
2846		3503
2847	$RUNTIME += $TICK;	3504	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2849		3506
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
2852	Coro::async_pool {	3509	Coro::async_pool {
		3510	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3511	write_runtime
2854	or warn "ERROR: unable to write runtime file: $!";	3512	or warn "ERROR: unable to write runtime file: $!";
2855	};	3513	};
2856	}	3514	}
2857		3515
2858	# my $AFTER = Event::time;	3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2859	# warn $AFTER - $NOW;#d#	3517	$sig->send;
		3518	}
		3519	while (my $sig = shift @WAIT_FOR_TICK) {
		3520	$sig->send;
		3521	}
		3522
		3523	$NOW = Event::time;
2860		3524
2861	# if we are delayed by four ticks or more, skip them all	3525	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3527
2864	$TICK_WATCHER->at ($NEXT_TICK);	3528	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3529	$TICK_WATCHER->start;
2866		3530
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3531	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3533
2874	_post_tick;	3534	_post_tick;
2875	},	3535	},
2876	);	3536	);
2877		3537
2878	{	3538	{
		3539	BDB::min_parallel 8;
2879	BDB::max_poll_time $TICK * 0.1;	3540	BDB::max_poll_time $TICK * 0.1;
2880	$BDB_POLL_WATCHER = Event->io (	3541	$BDB_POLL_WATCHER = Event->io (
2881	reentrant => 0,	3542	reentrant => 0,
2882	fd => BDB::poll_fileno,	3543	fd => BDB::poll_fileno,
2883	poll => 'r',	3544	poll => 'r',
2884	prio => 0,	3545	prio => 0,
2885	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,	3547	cb => \&BDB::poll_cb,
2887	);	3548	);
2888	BDB::min_parallel 8;
2889		3549
2890	BDB::set_sync_prepare {	3550	BDB::set_sync_prepare {
2891	my $status;	3551	my $status;
2892	my $current = $Coro::current;	3552	my $current = $Coro::current;
2893	(	3553	(
…		…
2902	)	3562	)
2903	};	3563	};
2904		3564
2905	unless ($DB_ENV) {	3565	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	3566	$DB_ENV = BDB::db_env_create;
		3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3568	| BDB::LOG_AUTOREMOVE, 1);
		3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		3571
2908	cf::sync_job {	3572	cf::sync_job {
2909	eval {	3573	eval {
2910	BDB::db_env_open	3574	BDB::db_env_open
2911	$DB_ENV,	3575	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3579	0666;
2916		3580
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3581	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3582	};
2922		3583
2923	cf::cleanup "db_env_open(db): $@" if $@;	3584	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3585	};
2925	}	3586	}
		3587
		3588	$BDB_DEADLOCK_WATCHER = Event->timer (
		3589	after => 3,
		3590	interval => 1,
		3591	hard => 1,
		3592	prio => 0,
		3593	data => WF_AUTOCANCEL,
		3594	cb => sub {
		3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3596	},
		3597	);
		3598	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3599	after => 11,
		3600	interval => 60,
		3601	hard => 1,
		3602	prio => 0,
		3603	data => WF_AUTOCANCEL,
		3604	cb => sub {
		3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3606	},
		3607	);
		3608	$BDB_TRICKLE_WATCHER = Event->timer (
		3609	after => 5,
		3610	interval => 10,
		3611	hard => 1,
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => sub {
		3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3616	},
		3617	);
2926	}	3618	}
2927		3619
2928	{	3620	{
2929	IO::AIO::min_parallel 8;	3621	IO::AIO::min_parallel 8;
2930		3622
…		…
2933	$AIO_POLL_WATCHER = Event->io (	3625	$AIO_POLL_WATCHER = Event->io (
2934	reentrant => 0,	3626	reentrant => 0,
2935	data => WF_AUTOCANCEL,	3627	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,	3628	fd => IO::AIO::poll_fileno,
2937	poll => 'r',	3629	poll => 'r',
2938	prio => 6,	3630	prio => 0,
2939	cb => \&IO::AIO::poll_cb,	3631	cb => \&IO::AIO::poll_cb,
2940	);	3632	);
2941	}	3633	}
2942		3634
2943	my $_log_backtrace;	3635	my $_log_backtrace;
…		…
2949		3641
2950	# limit the # of concurrent backtraces	3642	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	3643	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	3644	++$_log_backtrace;
2953	async {	3645	async {
		3646	$Coro::current->{desc} = "abt $msg";
		3647
2954	my @bt = fork_call {	3648	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	3649	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3650	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3651	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	3652	or die "addr2line: $!";

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