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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.255 by root, Thu Apr 19 16:23:47 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 $guard = cf::lock_acquire "write_runtime";
373		488
374	my $runtime = "$LOCALDIR/runtime";	489	Executes the given code block with the given arguments in a seperate
		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.
375		493
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
377	or return;
378		495
379	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		498
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
384	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
385		502
386	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	504	reset_signals;
388	and return;	505	&$cb
		506	}, @args;
389		507
390	close $fh	508	wantarray ? @res : $res[-1]
391	or return;	509	}
392		510
393	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
394	and return;
395		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 $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
396	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"
397	}	636	}
398		637
399	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
400		639
401	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.
…		…
419	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")
420	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
421		660
422	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>
423	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
424	crossfire+).	663	Crossfire TRT).
425		664
426	=over 4	665	=over 4
427		666
428	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
429		668
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
593		832
594	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		837
599	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	839	my $pkg = shift @arg;
601		840
602	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
632	}	871	}
633		872
634	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
635	} else {	874	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	876	}
638		877
639	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
640	}	879	}
641		880
…		…
643	if (ref $_[0]) {	882	if (ref $_[0]) {
644	_object_attach @_;	883	_object_attach @_;
645	} else {	884	} else {
646	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
647	}	886	}
		887	_recalc_want;
648	};	888	};
649		889
650	# all those should be optimised	890	# all those should be optimised
651	sub cf::attachable::detach {	891	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
656	reattach ($obj);	896	reattach ($obj);
657	} else {	897	} else {
658	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
659	}	899	}
		900	_recalc_want;
660	};	901	};
661		902
662	sub cf::attachable::attached {	903	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
664		905
…		…
679	";	920	";
680	die if $@;	921	die if $@;
681	}	922	}
682		923
683	our $override;	924	our $override;
684	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?
685		926
686	sub override {	927	sub override {
687	$override = 1;	928	$override = 1;
688	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
689	}	930	}
690		931
691	sub do_invoke {	932	sub do_invoke {
692	my $event = shift;	933	my $event = shift;
693	my $callbacks = shift;	934	my $callbacks = shift;
694		935
695	@invoke_results = ();	936	@INVOKE_RESULTS = ();
696		937
697	local $override;	938	local $override;
698		939
699	for (@$callbacks) {	940	for (@$callbacks) {
700	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
717		958
718	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
719		960
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		964
724	=back	965	=back
725		966
726	=cut	967	=cut
727		968
728	#############################################################################	969	#############################################################################
729	# 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	}
730		982
731	sub reattach {	983	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	985	my ($obj) = @_;
734		986
…		…
781	sub object_freezer_save {	1033	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
783		1035
784	sync_job {	1036	sync_job {
785	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
788		1041
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
…		…
811	}	1064	}
812	} else {	1065	} else {
813	aio_unlink $filename;	1066	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
815	}	1068	}
816	}	1069	};
817	}	1070	}
818		1071
819	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
821		1074
…		…
833	or return;	1086	or return;
834		1087
835	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
837	or return;	1090	or return;
		1091
838	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1093	}
840		1094
		1095	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1097	$decname, length $data, scalar @{$av || []};
		1098
843	return ($data, $av);	1099	($data, $av)
844	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
845		1107
846	#############################################################################	1108	#############################################################################
847	# command handling &c	1109	# command handling &c
848		1110
849	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1125	}
864		1126
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1128
867	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.
868		1134
869	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
870	called.	1136	called.
871		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
872	=cut	1149	=cut
873		1150
874	sub register_extcmd {	1151	sub register_extcmd {
875	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
876		1153
877	$EXTCMD{$name} = $cb;	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
878	}	1161	}
879		1162
880	cf::player->attach (	1163	cf::player->attach (
881	on_command => sub {	1164	on_command => sub {
882	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1174	cf::override;
892	},	1175	},
893	on_extcmd => sub {	1176	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
895		1178
896	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1180
898	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
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
904	} else {	1196	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1198	}
907		1199
908	cf::override;	1200	cf::override;
909	},	1201	},
910	);	1202	);
911		1203
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1204	sub load_extensions {
		1205	cf::sync_job {
		1206	my %todo;
		1207
947	for my $ext (<$LIBDIR/*.ext>) {	1208	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1209	next unless -r $path;
949	eval {	1210
950	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;
951	1	1268	}
952	} or warn "$ext not loaded: $@";	1269
		1270	skip:
		1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1272	unless $progress;
		1273	}
953	}	1274	};
954	}	1275	}
955		1276
956	#############################################################################	1277	#############################################################################
957		1278
		1279	=back
		1280
958	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
959		1282
960	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
961		1284
962	=cut	1285	=cut
…		…
966	use Coro::AIO;	1289	use Coro::AIO;
967		1290
968	=head3 cf::player	1291	=head3 cf::player
969		1292
970	=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	}
971		1308
972	=item cf::player::find $login	1309	=item cf::player::find $login
973		1310
974	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
975		1312
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1351	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1352
1016	my $pl = load_pl path $login	1353	my $f = new_from_file cf::object::thawer path $login
1017	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;
1018	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
1019	}	1361	}
1020	}	1362	}
1021	}	1363	}
1022		1364
…		…
1032		1374
1033	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
1035		1377
1036	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
1037	Coro::cede;	1379	cf::cede_to_tick;
1038	}	1380	}
1039		1381
1040	sub new($) {	1382	sub new($) {
1041	my ($login) = @_;	1383	my ($login) = @_;
1042		1384
…		…
1046	$self->{deny_save} = 1;	1388	$self->{deny_save} = 1;
1047		1389
1048	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1049		1391
1050	$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 (@_);
1051	}	1403	}
1052		1404
1053	=item $pl->quit_character	1405	=item $pl->quit_character
1054		1406
1055	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
…		…
1110	or return [];	1462	or return [];
1111		1463
1112	my @logins;	1464	my @logins;
1113		1465
1114	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") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1118		1475
1119	utf8::decode $login;	1476	utf8::decode $login;
1120	push @logins, $login;	1477	push @logins, $login;
1121	}	1478	}
1122		1479
…		…
1149	}	1506	}
1150		1507
1151	\@paths	1508	\@paths
1152	}	1509	}
1153		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
1154	=item $player->ext_reply ($msgid, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1155		1563
1156	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1157		1565
1158	=cut	1566	=cut
1159		1567
1160	sub ext_reply($$%) {	1568	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1162		1570
1163	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1572	}
1167		1573
1168	=item $player->ext_event ($type, %msg)	1574	=item $player->ext_msg ($type, @msg)
1169		1575
1170	Sends an ext event to the client.	1576	Sends an ext event to the client.
1171		1577
1172	=cut	1578	=cut
1173		1579
1174	sub ext_event($$%) {	1580	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1581	my ($self, $type, @msg) = @_;
1176		1582
1177	$self->ns->ext_event ($type, %msg);	1583	$self->ns->ext_msg ($type, @msg);
1178	}	1584	}
1179		1585
1180	=head3 cf::region	1586	=head3 cf::region
1181		1587
1182	=over 4	1588	=over 4
…		…
1185		1591
1186	package cf::region;	1592	package cf::region;
1187		1593
1188	=item cf::region::find_by_path $path	1594	=item cf::region::find_by_path $path
1189		1595
1190	Tries to decuce the probable region for a map knowing only its path.	1596	Tries to decuce the likely region for a map knowing only its path.
1191		1597
1192	=cut	1598	=cut
1193		1599
1194	sub find_by_path($) {	1600	sub find_by_path($) {
1195	my ($path) = @_;	1601	my ($path) = @_;
1196		1602
1197	my ($match, $specificity);	1603	my ($match, $specificity);
1198		1604
1199	for my $region (list) {	1605	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1606	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1607	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1608	if $region->specificity > $specificity;
1203	}	1609	}
1204	}	1610	}
1205		1611
…		…
1269	my ($self, $merge) = @_;	1675	my ($self, $merge) = @_;
1270		1676
1271	# we have to keep some variables in memory intact	1677	# we have to keep some variables in memory intact
1272	local $self->{path};	1678	local $self->{path};
1273	local $self->{load_path};	1679	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1680
1277	$self->SUPER::thawer_merge ($merge);	1681	$self->SUPER::thawer_merge ($merge);
1278	}	1682	}
1279		1683
1280	sub normalise {	1684	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1731	$self->init; # pass $1 etc.
1328	return $self;	1732	return $self;
1329	}	1733	}
1330	}	1734	}
1331		1735
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1737	()
1334	}	1738	}
1335		1739
1336	sub init {	1740	sub init {
1337	my ($self) = @_;	1741	my ($self) = @_;
…		…
1380		1784
1381	$_->change_map_light ($change)	1785	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1786	for grep $_->outdoor, values %cf::MAP;
1383	}	1787	}
1384		1788
		1789	sub decay_objects {
		1790	my ($self) = @_;
		1791
		1792	return if $self->{deny_reset};
		1793
		1794	$self->do_decay_objects;
		1795	}
		1796
1385	sub unlink_save {	1797	sub unlink_save {
1386	my ($self) = @_;	1798	my ($self) = @_;
1387		1799
1388	utf8::encode (my $save = $self->save_path);	1800	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1801	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1804
1393	sub load_header_from($) {	1805	sub load_header_from($) {
1394	my ($self, $path) = @_;	1806	my ($self, $path) = @_;
1395		1807
1396	utf8::encode $path;	1808	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	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;
1402		1817
1403	$self->{load_path} = $path;	1818	$self->{load_path} = $path;
1404		1819
1405	1	1820	1
1406	}	1821	}
…		…
1445	$self->load_header_orig	1860	$self->load_header_orig
1446	or return;	1861	or return;
1447	$self->prepare_orig;	1862	$self->prepare_orig;
1448	}	1863	}
1449		1864
		1865	$self->{deny_reset} = 1
		1866	if $self->no_reset;
		1867
1450	$self->default_region (cf::region::find_by_path $self->{path})	1868	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1869	unless $self->default_region;
1452		1870
1453	1	1871	1
1454	}	1872	}
…		…
1457	sub find {	1875	sub find {
1458	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1459		1877
1460	$path = normalise $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1461		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1881	cf::lock_wait "map_find:$path";
1463		1882
1464	$cf::MAP{$path} || do {	1883	$cf::MAP{$path} || do {
1465	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
1466	my $map = new_from_path cf::map $path	1887	my $map = new_from_path cf::map $path
1467	or return;	1888	or return;
1468		1889
1469	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1470		1891
1471	$map->load_header	1892	$map->load_header
1472	or return;	1893	or return;
1473		1894
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1896	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1477	$map->reset;	1900	$map->reset;
1478	undef $guard;
1479	return find $path;	1901	return find $path;
1480	}	1902	}
1481		1903
1482	$cf::MAP{$path} = $map	1904	$cf::MAP{$path} = $map
1483	}	1905	}
…		…
1490	my ($self) = @_;	1912	my ($self) = @_;
1491		1913
1492	local $self->{deny_reset} = 1; # loading can take a long time	1914	local $self->{deny_reset} = 1; # loading can take a long time
1493		1915
1494	my $path = $self->{path};	1916	my $path = $self->{path};
		1917
		1918	{
1495	my $guard = cf::lock_acquire "map_load:$path";	1919	my $guard = cf::lock_acquire "map_data:$path";
1496		1920
		1921	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		1923
1499	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1500		1925
1501	$self->alloc;	1926	$self->alloc;
1502		1927
1503	$self->pre_load;	1928	$self->pre_load;
1504	Coro::cede;	1929	cf::cede_to_tick;
1505		1930
1506	$self->_load_objects ($self->{load_path}, 1)	1931	my $f = new_from_file cf::object::thawer $self->{load_path};
		1932	$f->skip_block;
		1933	$self->_load_objects ($f)
1507	or return;	1934	or return;
1508		1935
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1510	if delete $self->{load_original};	1937	if delete $self->{load_original};
1511		1938
1512	if (my $uniq = $self->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	1940	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	1943	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1517	}	1947	}
1518	}	1948	}
1519		1949
1520	Coro::cede;	1950	$f->resolve_delayed_derefs;
		1951
		1952	cf::cede_to_tick;
1521	# now do the right thing for maps	1953	# now do the right thing for maps
1522	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	1955	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	1956	unless $self->difficulty;
1533	Coro::cede;	1957	cf::cede_to_tick;
		1958
		1959	unless ($self->{deny_activate}) {
		1960	$self->decay_objects;
		1961	$self->fix_auto_apply;
		1962	$self->update_buttons;
		1963	cf::cede_to_tick;
		1964	$self->set_darkness_map;
		1965	cf::cede_to_tick;
1534	$self->activate;	1966	$self->activate;
1535	Coro::cede;	1967	}
		1968
		1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
		1971
		1972	$self->in_memory (cf::MAP_IN_MEMORY);
1536	}	1973	}
1537		1974
1538	$self->post_load;	1975	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	1976	}
1543		1977
1544	sub customise_for {	1978	sub customise_for {
1545	my ($self, $ob) = @_;	1979	my ($self, $ob) = @_;
1546		1980
1547	return find "~" . $ob->name . "/" . $self->{path}	1981	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	1982	if $self->per_player;
1549		1983
		1984	# return find "?party/" . $ob->name . "/" . $self->{path}
		1985	# if $self->per_party;
		1986
1550	$self	1987	$self
1551	}	1988	}
1552		1989
1553	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	1991	sub load_neighbours {
1555	my ($map) = @_;	1992	my ($map) = @_;
1556		1993
1557	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1558		1995
1559	for (0 .. 3) {	1996	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1561	or next;	1998	or next;
1562	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1563	or next;	2000	or next;
1564	$neigh->load;	2001	$neigh->load;
1565		2002
		2003	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2006	}
1569		2007
1570	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1572	or next;	2011	or next;
1573	$neigh->load;	2012	$neigh->load;
1574	}	2013	}
1575	}	2014	}
1576		2015
…		…
1581	}	2020	}
1582		2021
1583	sub do_load_sync {	2022	sub do_load_sync {
1584	my ($map) = @_;	2023	my ($map) = @_;
1585		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1586	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1587	}	2029	}
1588		2030
1589	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2032	our $MAP_PREFETCHER = undef;
1591		2033
1592	sub find_async {	2034	sub find_async {
1593	my ($path, $origin) = @_;	2035	my ($path, $origin, $load) = @_;
1594		2036
1595	$path = normalise $path, $origin && $origin->{path};	2037	$path = normalise $path, $origin && $origin->{path};
1596		2038
1597	if (my $map = $cf::MAP{$path}) {	2039	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1599	}	2041	}
1600		2042
1601	undef $MAP_PREFETCH{$path};	2043	$MAP_PREFETCH{$path} |= $load;
		2044
1602	$MAP_PREFETCHER ||= cf::async {	2045	$MAP_PREFETCHER ||= cf::async {
		2046	$Coro::current->{desc} = "map prefetcher";
		2047
1603	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2050	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2051	$map->load if $v;
		2052	}
1608		2053
1609	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1610	}	2055	}
1611	}	2056	}
1612	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1613	};	2058	};
1614	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2062	}
1618		2063
1619	sub save {	2064	sub save {
1620	my ($self) = @_;	2065	my ($self) = @_;
1621		2066
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2068
1624	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1625		2070
1626	return unless $self->dirty;	2071	return unless $self->dirty;
1627		2072
…		…
1633	return if $self->{deny_save};	2078	return if $self->{deny_save};
1634		2079
1635	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1636		2081
1637	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1639	};	2085	};
1640		2086
1641	if ($uniq) {	2087	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1650	my ($self) = @_;	2096	my ($self) = @_;
1651		2097
1652	# save first because save cedes	2098	# save first because save cedes
1653	$self->save;	2099	$self->save;
1654		2100
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2102
1657	return if $self->players;	2103	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};	2105	return if $self->{deny_save};
1660		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2111	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2112	}
1664		2113
1665	sub reset_at {	2114	sub reset_at {
1666	my ($self) = @_;	2115	my ($self) = @_;
1667		2116
1668	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1671		2119
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2122
…		…
1685	my ($self) = @_;	2133	my ($self) = @_;
1686		2134
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2136
1689	return if $self->players;	2137	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2138
1692	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1693		2140
1694	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1695		2142
1696	# need to save uniques path	2143	# need to save uniques path
1697	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2148	if $uniq;
1702	}	2149	}
1703		2150
1704	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1705		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2155	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2156
1710	$self->unlink_save;	2157	$self->unlink_save;
1711	$self->destroy;	2158	$self->destroy;
1712	}	2159	}
1713		2160
1714	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1715		2162
1716	sub nuke {	2163	sub nuke {
1717	my ($self) = @_;	2164	my ($self) = @_;
1718		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1719	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1720		2170
1721	$self->unlink_save;	2171	$self->unlink_save;
1722		2172
1723	bless $self, "cf::map";	2173	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2178
1729	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1730		2181
1731	$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	]
1732	}	2219	}
1733		2220
1734	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1735		2222
1736	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2224	instantiated unique items. May block.
1738		2225
1739	=cut	2226	=cut
1740		2227
1741	sub unique_maps() {	2228	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2229	[
1743	or return;	2230	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2231	utf8::decode $_;
1749	next if /\.pst$/;	2232	/\.map$/
1750	next unless /^$PATH_SEP/o;	2233	? normalise $_
1751		2234	: ()
1752	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2236	]
1754
1755	\@paths
1756	}	2237	}
1757		2238
1758	package cf;	2239	package cf;
1759		2240
1760	=back	2241	=back
…		…
1778	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1779	}	2260	}
1780		2261
1781	sub inv_recursive {	2262	sub inv_recursive {
1782	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	}
1783	}	2292	}
1784		2293
1785	package cf;	2294	package cf;
1786		2295
1787	=back	2296	=back
…		…
1806		2315
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2317
1809	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1811	} 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 {
1812	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1814	}	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 (@_);
1815	}	2343	}
1816		2344
1817	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1818		2346
1819	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
1866	$self->deactivate_recursive;	2394	$self->deactivate_recursive;
1867		2395
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2396	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2397
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2398	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2399	if $self->map && $self->map->{path} ne "{link}";
1872		2400
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2401	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2402	}
1875		2403
1876	sub cf::object::player::leave_link {	2404	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2405	my ($self, $map, $x, $y) = @_;
		2406
		2407	return unless $self->contr->active;
1878		2408
1879	my $link_pos = delete $self->{_link_pos};	2409	my $link_pos = delete $self->{_link_pos};
1880		2410
1881	unless ($map) {	2411	unless ($map) {
1882	# restore original map position	2412	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
1899		2429
1900	$map->load;	2430	$map->load;
1901	$map->load_diag;	2431	$map->load_neighbours;
1902		2432
1903	return unless $self->contr->active;	2433	return unless $self->contr->active;
1904	$self->activate_recursive;	2434	$self->activate_recursive;
1905		2435
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
1908	}	2438	}
1909		2439
1910	cf::player->attach (	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2441
1914	# abort map switching before logout	2442	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2443	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2444	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2445	the new (success) or old (failed) map position. In either case, $done will
1918	};	2446	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2447
1924	# try to abort aborted map switching on player login :)
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2448	=cut
		2449
		2450	our $GOTOGEN;
1945		2451
1946	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
1947	my ($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;
1948		2457
1949	$self->enter_link;	2458	$self->enter_link;
1950		2459
1951	(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
1952	my $map = eval {	2482	my $map = eval {
1953	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1954	$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
1955	$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 $@;
1956	} or	2498	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1960	})->prio (1);	2506	})->prio (1);
1961	}	2507	}
1962		2508
1963	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1964		2510
…		…
2033	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
2035		2581
2036	$self->enter_link;	2582	$self->enter_link;
2037		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
2038	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
2039	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
2040	unless (eval {	2592	unless (eval {
2041	$self->goto ($slaying, $hp, $sp);	2593	$self->goto ($slaying, $hp, $sp);
2042		2594
2043	1;	2595	1;
…		…
2069		2621
2070	utf8::encode $text;	2622	utf8::encode $text;
2071	$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);
2072	}	2624	}
2073		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
2074	=item $client->ext_event ($type, %msg)	2719	=item $client->ext_msg ($type, @msg)
2075		2720
2076	Sends an exti event to the client.	2721	Sends an ext event to the client.
2077		2722
2078	=cut	2723	=cut
2079		2724
2080	sub cf::client::ext_event($$%) {	2725	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2726	my ($self, $type, @msg) = @_;
2082		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2731	push @msg, msgtype => "event_$type";
2084	$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	}
2085	}	2752	}
2086		2753
2087	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
2088		2755
2089	Queues a query to the client, calling the given callback with	2756	Queues a query to the client, calling the given callback with
2090	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>,
2091	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>.
2092		2759
2093	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
2094	reliable at some point in the future.	2761	become reliable at some point in the future.
2095		2762
2096	=cut	2763	=cut
2097		2764
2098	sub cf::client::query {	2765	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2774	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2776
2110	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
2112	}	2781	}
2113		2782
2114	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	},
2115	on_reply => sub {	2789	on_reply => sub {
2116	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
2117		2791
2118	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
2119	# get handled first	2793	# get handled first
…		…
2131	} else {	2805	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2807	}
2134	}	2808	}
2135	},	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	},
2136	);	2836	);
2137		2837
2138	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
2139		2839
2140	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
2183		2883
2184	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
2185		2885
2186	$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	));
2187		2891
2188	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2189		2893
2190	=pod	2894	=pod
2191		2895
2192	The following functions and methods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2193		2897
2194	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
2195	cf::object::player player	2902	cf::object::player
2196	cf::player peaceful	2903	player
2197	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2198		2910
2199	=cut	2911	=cut
2200		2912
2201	for (	2913	for (
2202	["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)],
2203	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2206	) {	2920	) {
2207	no strict 'refs';	2921	no strict 'refs';
…		…
2278	=back	2992	=back
2279		2993
2280	=cut	2994	=cut
2281		2995
2282	#############################################################################	2996	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	2997	# the server's init and main functions
2457		2998
2458	sub load_facedata($) {	2999	sub load_facedata($) {
2459	my ($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;
2460		3007
2461	warn "loading facedata from $path\n";	3008	warn "loading facedata from $path\n";
2462		3009
2463	my $facedata;	3010	my $facedata;
2464	0 < aio_load $path, $facedata	3011	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3014	$facedata = Coro::Storable::thaw $facedata;
2468		3015
2469	$facedata->{version} == 2	3016	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		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
2472	{	3026	{
2473	my $faces = $facedata->{faceinfo};	3027	my $faces = $facedata->{faceinfo};
2474		3028
2475	while (my ($face, $info) = each %$faces) {	3029	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3031	cf::face::set_visibility $idx, $info->{visibility};
		3032	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3035
		3036	cf::cede_to_tick;
2481	}	3037	}
2482		3038
2483	while (my ($face, $info) = each %$faces) {	3039	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3040	next unless $info->{smooth};
2485	my $idx = cf::face::find $face	3041	my $idx = cf::face::find $face
2486	or next;	3042	or next;
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3043	if (my $smooth = cf::face::find $info->{smooth}) {
		3044	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3046	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3048	}
2492	Coro::cede;	3049
		3050	cf::cede_to_tick;
2493	}	3051	}
2494	}	3052	}
2495		3053
2496	{	3054	{
2497	my $anims = $facedata->{animinfo};	3055	my $anims = $facedata->{animinfo};
2498		3056
2499	while (my ($anim, $info) = each %$anims) {	3057	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3059	cf::cede_to_tick;
2502	}	3060	}
2503		3061
2504	cf::anim::invalidate_all; # d'oh	3062	cf::anim::invalidate_all; # d'oh
2505	}	3063	}
2506		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 => $face;
		3110	}
		3111	}
		3112	}
		3113
2507	1	3114	1
2508	}	3115	}
2509		3116
		3117	register_exticmd fx_want => sub {
		3118	my ($ns, $want) = @_;
		3119
		3120	while (my ($k, $v) = each %$want) {
		3121	$ns->fx_want ($k, $v);
		3122	}
		3123	};
		3124
2510	sub reload_regions {	3125	sub reload_regions {
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
2511	load_resource_file "$MAPDIR/regions"	3130	load_resource_file "$MAPDIR/regions"
2512	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 $_->{match};
		3136	}
2513	}	3137	}
2514		3138
2515	sub reload_facedata {	3139	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3140	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3141	or die "unable to load facedata\n";
2518	}	3142	}
2519		3143
2520	sub reload_archetypes {	3144	sub reload_archetypes {
2521	load_resource_file "$DATADIR/archetypes"	3145	load_resource_file "$DATADIR/archetypes"
2522	or die "unable to load archetypes\n";	3146	or die "unable to load archetypes\n";
		3147	#d# NEED to laod twice to resolve forward references
		3148	# this really needs to be done in an extra post-pass
		3149	# (which needs to be synchronous, so solve it differently)
		3150	load_resource_file "$DATADIR/archetypes"
		3151	or die "unable to load archetypes\n";
2523	}	3152	}
2524		3153
2525	sub reload_treasures {	3154	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3155	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3156	or die "unable to load treasurelists\n";
…		…
2530	sub reload_resources {	3159	sub reload_resources {
2531	warn "reloading resource files...\n";	3160	warn "reloading resource files...\n";
2532		3161
2533	reload_regions;	3162	reload_regions;
2534	reload_facedata;	3163	reload_facedata;
		3164	#reload_archetypes;#d#
2535	reload_archetypes;	3165	reload_archetypes;
2536	reload_treasures;	3166	reload_treasures;
2537		3167
2538	warn "finished reloading resource files\n";	3168	warn "finished reloading resource files\n";
2539	}	3169	}
2540		3170
2541	sub init {	3171	sub init {
2542	reload_resources;	3172	reload_resources;
2543	}	3173	}
2544		3174
2545	sub cfg_load {	3175	sub reload_config {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3177	or return;
2548		3178
2549	local $/;	3179	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
…		…
2566	sub main {	3196	sub main {
2567	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2569	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#
2570	(async {	3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2571	Event::one_event;	3202	Event::one_event;
2572	})->prio (Coro::PRIO_MAX);	3203	})->prio (Coro::PRIO_MAX);
2573	};	3204	};
2574		3205
2575	cfg_load;	3206	reload_config;
2576	db_init;	3207	db_init;
2577	load_extensions;	3208	load_extensions;
2578		3209
2579	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
2580	Event::loop;	3211	Event::loop;
…		…
2596	},	3227	},
2597	);	3228	);
2598	}	3229	}
2599	}	3230	}
2600		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
2601	sub emergency_save() {	3270	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2603		3272
2604	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2605		3274
…		…
2680	%EXT_CORO = ();	3349	%EXT_CORO = ();
2681		3350
2682	warn "removing commands";	3351	warn "removing commands";
2683	%COMMAND = ();	3352	%COMMAND = ();
2684		3353
2685	warn "removing ext commands";	3354	warn "removing ext/exti commands";
2686	%EXTCMD = ();	3355	%EXTCMD = ();
		3356	%EXTICMD = ();
2687		3357
2688	warn "unloading/nuking all extensions";	3358	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3359	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3360	warn "... unloading $pkg";
2691		3361
…		…
2734	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2735	require cf;	3405	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3407
2738	warn "loading config and database again";	3408	warn "loading config and database again";
2739	cf::cfg_load;	3409	cf::reload_config;
2740		3410
2741	warn "loading extensions";	3411	warn "loading extensions";
2742	cf::load_extensions;	3412	cf::load_extensions;
2743		3413
2744	warn "reattaching attachments to objects/players";	3414	warn "reattaching attachments to objects/players";
…		…
2780	register_command "reload" => sub {	3450	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2782		3452
2783	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3454	$who->message ("reloading server.");
		3455	async {
		3456	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3457	reload_perl;
		3458	};
2786	}	3459	}
2787	};	3460	};
2788		3461
2789	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
2790		3463
…		…
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3496	unless ++$bug_warning > 10;
2824	return;	3497	return;
2825	}	3498	}
2826		3499
2827	$NOW = Event::time;	3500	$NOW = $tick_start = Event::time;
2828		3501
2829	cf::server_tick; # one server iteration	3502	cf::server_tick; # one server iteration
2830		3503
2831	$RUNTIME += $TICK;	3504	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2833		3506
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
2836	Coro::async_pool {	3509	Coro::async_pool {
		3510	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3511	write_runtime
2838	or warn "ERROR: unable to write runtime file: $!";	3512	or warn "ERROR: unable to write runtime file: $!";
2839	};	3513	};
2840	}	3514	}
2841		3515
2842	# my $AFTER = Event::time;	3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2843	# 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;
2844		3524
2845	# 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
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2847		3527
2848	$TICK_WATCHER->at ($NEXT_TICK);	3528	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;	3529	$TICK_WATCHER->start;
2850		3530
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3531	$LOAD = ($NOW - $tick_start) / $TICK;
2852	$sig->send;	3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2853	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;
2856	}
2857		3533
2858	_post_tick;	3534	_post_tick;
2859	},	3535	},
2860	);	3536	);
2861		3537
2862	{	3538	{
		3539	BDB::min_parallel 8;
2863	BDB::max_poll_time $TICK * 0.1;	3540	BDB::max_poll_time $TICK * 0.1;
2864	$BDB_POLL_WATCHER = Event->io (	3541	$BDB_POLL_WATCHER = Event->io (
2865	reentrant => 0,	3542	reentrant => 0,
2866	fd => BDB::poll_fileno,	3543	fd => BDB::poll_fileno,
2867	poll => 'r',	3544	poll => 'r',
2868	prio => 0,	3545	prio => 0,
2869	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,	3547	cb => \&BDB::poll_cb,
2871	);	3548	);
2872	BDB::min_parallel 8;
2873		3549
2874	BDB::set_sync_prepare {	3550	BDB::set_sync_prepare {
2875	my $status;	3551	my $status;
2876	my $current = $Coro::current;	3552	my $current = $Coro::current;
2877	(	3553	(
…		…
2886	)	3562	)
2887	};	3563	};
2888		3564
2889	unless ($DB_ENV) {	3565	unless ($DB_ENV) {
2890	$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);
2891		3571
2892	cf::sync_job {	3572	cf::sync_job {
2893	eval {	3573	eval {
2894	BDB::db_env_open	3574	BDB::db_env_open
2895	$DB_ENV,	3575	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3579	0666;
2900		3580
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3581	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	3582	};
2906		3583
2907	cf::cleanup "db_env_open(db): $@" if $@;	3584	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3585	};
2909	}	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	);
2910	}	3618	}
2911		3619
2912	{	3620	{
2913	IO::AIO::min_parallel 8;	3621	IO::AIO::min_parallel 8;
2914		3622
…		…
2917	$AIO_POLL_WATCHER = Event->io (	3625	$AIO_POLL_WATCHER = Event->io (
2918	reentrant => 0,	3626	reentrant => 0,
2919	data => WF_AUTOCANCEL,	3627	data => WF_AUTOCANCEL,
2920	fd => IO::AIO::poll_fileno,	3628	fd => IO::AIO::poll_fileno,
2921	poll => 'r',	3629	poll => 'r',
2922	prio => 6,	3630	prio => 0,
2923	cb => \&IO::AIO::poll_cb,	3631	cb => \&IO::AIO::poll_cb,
2924	);	3632	);
2925	}	3633	}
2926		3634
		3635	my $_log_backtrace;
		3636
		3637	sub _log_backtrace {
		3638	my ($msg, @addr) = @_;
		3639
		3640	$msg =~ s/\n//;
		3641
		3642	# limit the # of concurrent backtraces
		3643	if ($_log_backtrace < 2) {
		3644	++$_log_backtrace;
		3645	async {
		3646	$Coro::current->{desc} = "abt $msg";
		3647
		3648	my @bt = fork_call {
		3649	@addr = map { sprintf "%x", $_ } @addr;
		3650	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3651	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3652	or die "addr2line: $!";
		3653
		3654	my @funcs;
		3655	my @res = <$fh>;
		3656	chomp for @res;
		3657	while (@res) {
		3658	my ($func, $line) = splice @res, 0, 2, ();
		3659	push @funcs, "[$func] $line";
		3660	}
		3661
		3662	@funcs
		3663	};
		3664
		3665	LOG llevInfo, "[ABT] $msg\n";
		3666	LOG llevInfo, "[ABT] $_\n" for @bt;
		3667	--$_log_backtrace;
		3668	};
		3669	} else {
		3670	LOG llevInfo, "[ABT] $msg\n";
		3671	LOG llevInfo, "[ABT] [suppressed]\n";
		3672	}
		3673	}
		3674
2927	# load additional modules	3675	# load additional modules
2928	use cf::pod;	3676	use cf::pod;
2929		3677
2930	END { cf::emergency_save }	3678	END { cf::emergency_save }
2931		3679

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