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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.383 by root, Thu Oct 11 21:09:29 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 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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;
793	close $fh;	1046	close $fh;
794		1047
795	if (@$objs) {	1048	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1053	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1054	close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
803	}	1056	}
…		…
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;
838	$av = eval { (Storable::thaw $av)->{objs} };
839	}
840		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
843	return ($data, $av);	1101	($data, $av)
844	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
845		1109
846	#############################################################################	1110	#############################################################################
847	# command handling &c	1111	# command handling &c
848		1112
849	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1127	}
864		1128
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1130
867	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
868		1136
869	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
870	called.	1138	called.
871		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
872	=cut	1151	=cut
873		1152
874	sub register_extcmd {	1153	sub register_extcmd {
875	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
876		1155
877	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
878	}	1163	}
879		1164
880	cf::player->attach (	1165	cf::player->attach (
881	on_command => sub {	1166	on_command => sub {
882	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1176	cf::override;
892	},	1177	},
893	on_extcmd => sub {	1178	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
895		1180
896	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1182
898	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
904	} else {	1198	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1200	}
907		1201
908	cf::override;	1202	cf::override;
909	},	1203	},
910	);	1204	);
911		1205
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 {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
947	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1211	next unless -r $path;
949	eval {	1212
950	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
951	1	1270	}
952	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
953	}	1276	};
954	}	1277	}
955		1278
956	#############################################################################	1279	#############################################################################
957		1280
		1281	=back
		1282
958	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
959		1284
960	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
961		1286
962	=cut	1287	=cut
…		…
966	use Coro::AIO;	1291	use Coro::AIO;
967		1292
968	=head3 cf::player	1293	=head3 cf::player
969		1294
970	=over 4	1295	=over 4
		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
971		1310
972	=item cf::player::find $login	1311	=item cf::player::find $login
973		1312
974	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
975		1314
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1354
1016	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1019	}	1363	}
1020	}	1364	}
1021	}	1365	}
1022		1366
…		…
1032		1376
1033	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1035		1379
1036	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1037	Coro::cede;	1381	cf::cede_to_tick;
1038	}	1382	}
1039		1383
1040	sub new($) {	1384	sub new($) {
1041	my ($login) = @_;	1385	my ($login) = @_;
1042		1386
…		…
1046	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1047		1391
1048	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1049		1393
1050	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1051	}	1405	}
1052		1406
1053	=item $pl->quit_character	1407	=item $pl->quit_character
1054		1408
1055	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1464	or return [];
1111		1465
1112	my @logins;	1466	my @logins;
1113		1467
1114	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1118		1477
1119	utf8::decode $login;	1478	utf8::decode $login;
1120	push @logins, $login;	1479	push @logins, $login;
1121	}	1480	}
1122		1481
…		…
1149	}	1508	}
1150		1509
1151	\@paths	1510	\@paths
1152	}	1511	}
1153		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1154	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1155		1565
1156	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1157		1567
1158	=cut	1568	=cut
1159		1569
1160	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1162		1572
1163	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1574	}
1167		1575
1168	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1169		1577
1170	Sends an ext event to the client.	1578	Sends an ext event to the client.
1171		1579
1172	=cut	1580	=cut
1173		1581
1174	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1176		1584
1177	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1178	}	1586	}
1179		1587
1180	=head3 cf::region	1588	=head3 cf::region
1181		1589
1182	=over 4	1590	=over 4
…		…
1185		1593
1186	package cf::region;	1594	package cf::region;
1187		1595
1188	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1189		1597
1190	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1191		1599
1192	=cut	1600	=cut
1193		1601
1194	sub find_by_path($) {	1602	sub find_by_path($) {
1195	my ($path) = @_;	1603	my ($path) = @_;
1196		1604
1197	my ($match, $specificity);	1605	my ($match, $specificity);
1198		1606
1199	for my $region (list) {	1607	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1203	}	1611	}
1204	}	1612	}
1205		1613
…		…
1269	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1270		1678
1271	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1272	local $self->{path};	1680	local $self->{path};
1273	local $self->{load_path};	1681	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1682
1277	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1278	}	1684	}
1279		1685
1280	sub normalise {	1686	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1328	return $self;	1734	return $self;
1329	}	1735	}
1330	}	1736	}
1331		1737
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1739	()
1334	}	1740	}
1335		1741
1336	sub init {	1742	sub init {
1337	my ($self) = @_;	1743	my ($self) = @_;
…		…
1380		1786
1381	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1383	}	1789	}
1384		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1385	sub unlink_save {	1799	sub unlink_save {
1386	my ($self) = @_;	1800	my ($self) = @_;
1387		1801
1388	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1806
1393	sub load_header_from($) {	1807	sub load_header_from($) {
1394	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1395		1809
1396	utf8::encode $path;	1810	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1402		1819
1403	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1404		1821
1405	1	1822	1
1406	}	1823	}
…		…
1445	$self->load_header_orig	1862	$self->load_header_orig
1446	or return;	1863	or return;
1447	$self->prepare_orig;	1864	$self->prepare_orig;
1448	}	1865	}
1449		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1450	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1871	unless $self->default_region;
1452		1872
1453	1	1873	1
1454	}	1874	}
…		…
1457	sub find {	1877	sub find {
1458	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1459		1879
1460	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1461		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1463		1884
1464	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1466	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1467	or return;	1890	or return;
1468		1891
1469	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1470		1893
1471	$map->load_header	1894	$map->load_header
1472	or return;	1895	or return;
1473		1896
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1477	$map->reset;	1902	$map->reset;
1478	undef $guard;
1479	return find $path;	1903	return find $path;
1480	}	1904	}
1481		1905
1482	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1483	}	1907	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1493		1917
1494	my $path = $self->{path};	1918	my $path = $self->{path};
1495		1919
1496	{	1920	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1498		1922
		1923	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1925
1501	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1502		1927
1503	$self->alloc;	1928	$self->alloc;
1504		1929
1505	$self->pre_load;	1930	$self->pre_load;
1506	Coro::cede;	1931	cf::cede_to_tick;
1507		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1509	or return;	1936	or return;
1510		1937
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1939	if delete $self->{load_original};
1513		1940
1514	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1942	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1945	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1519	}	1949	}
1520	}	1950	}
1521		1951
1522	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1523	# now do the right thing for maps	1955	# now do the right thing for maps
1524	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1958	unless $self->difficulty;
1527	Coro::cede;	1959	cf::cede_to_tick;
1528		1960
1529	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1962	$self->decay_objects;
1531	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1532	$self->update_buttons;	1964	$self->update_buttons;
1533	Coro::cede;	1965	cf::cede_to_tick;
1534	$self->set_darkness_map;	1966	$self->set_darkness_map;
1535	Coro::cede;	1967	cf::cede_to_tick;
1536	$self->activate;	1968	$self->activate;
1537	}	1969	}
1538		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1540
1541	undef $guard;
1542	}	1975	}
1543		1976
1544	$self->post_load;	1977	$self->post_load;
1545	}	1978	}
1546		1979
…		…
1548	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1549		1982
1550	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	1984	if $self->per_player;
1552		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1553	$self	1989	$self
1554	}	1990	}
1555		1991
1556	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	1993	sub load_neighbours {
1558	my ($map) = @_;	1994	my ($map) = @_;
1559		1995
1560	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1561		1997
1562	for (0 .. 3) {	1998	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1564	or next;	2000	or next;
1565	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1566	or next;	2002	or next;
1567	$neigh->load;	2003	$neigh->load;
1568		2004
		2005	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	2008	}
1572		2009
1573	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1575	or next;	2013	or next;
1576	$neigh->load;	2014	$neigh->load;
1577	}	2015	}
1578	}	2016	}
1579		2017
…		…
1584	}	2022	}
1585		2023
1586	sub do_load_sync {	2024	sub do_load_sync {
1587	my ($map) = @_;	2025	my ($map) = @_;
1588		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1589	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1590	}	2031	}
1591		2032
1592	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1594		2035
1595	sub find_async {	2036	sub find_async {
1596	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1597		2038
1598	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1599		2040
1600	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1602	}	2043	}
1603		2044
1604	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1605	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1606	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2052	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2053	$map->load if $v;
		2054	}
1611		2055
1612	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1613	}	2057	}
1614	}	2058	}
1615	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1616	};	2060	};
1617	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2064	}
1621		2065
1622	sub save {	2066	sub save {
1623	my ($self) = @_;	2067	my ($self) = @_;
1624		2068
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2070
1627	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1628		2072
1629	return unless $self->dirty;	2073	return unless $self->dirty;
1630		2074
…		…
1636	return if $self->{deny_save};	2080	return if $self->{deny_save};
1637		2081
1638	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1639		2083
1640	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1641	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1642	};	2087	};
1643		2088
1644	if ($uniq) {	2089	if ($uniq) {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1653	my ($self) = @_;	2098	my ($self) = @_;
1654		2099
1655	# save first because save cedes	2100	# save first because save cedes
1656	$self->save;	2101	$self->save;
1657		2102
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2104
1660	return if $self->players;	2105	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1662	return if $self->{deny_save};	2107	return if $self->{deny_save};
1663		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2113	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2114	}
1667		2115
1668	sub reset_at {	2116	sub reset_at {
1669	my ($self) = @_;	2117	my ($self) = @_;
1670		2118
1671	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1674		2121
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2124
…		…
1688	my ($self) = @_;	2135	my ($self) = @_;
1689		2136
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2138
1692	return if $self->players;	2139	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2140
1695	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
1696		2142
1697	$self->in_memory (cf::MAP_SWAPPED);	2143	$self->in_memory (cf::MAP_SWAPPED);
1698		2144
1699	# need to save uniques path	2145	# need to save uniques path
1700	unless ($self->{deny_save}) {	2146	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2150	if $uniq;
1705	}	2151	}
1706		2152
1707	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1708		2154
		2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2157	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2158
1713	$self->unlink_save;	2159	$self->unlink_save;
1714	$self->destroy;	2160	$self->destroy;
1715	}	2161	}
1716		2162
1717	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1718		2164
1719	sub nuke {	2165	sub nuke {
1720	my ($self) = @_;	2166	my ($self) = @_;
1721		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1722	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1723		2172
1724	$self->unlink_save;	2173	$self->unlink_save;
1725		2174
1726	bless $self, "cf::map";	2175	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2180
1732	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1733		2183
1734	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1735	}	2221	}
1736		2222
1737	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1738		2224
1739	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2226	instantiated unique items. May block.
1741		2227
1742	=cut	2228	=cut
1743		2229
1744	sub unique_maps() {	2230	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2231	[
1746	or return;	2232	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2233	utf8::decode $_;
1752	next if /\.pst$/;	2234	/\.map$/
1753	next unless /^$PATH_SEP/o;	2235	? normalise $_
1754		2236	: ()
1755	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2238	]
1757
1758	\@paths
1759	}	2239	}
1760		2240
1761	package cf;	2241	package cf;
1762		2242
1763	=back	2243	=back
…		…
1781	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1782	}	2262	}
1783		2263
1784	sub inv_recursive {	2264	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1786	}	2294	}
1787		2295
1788	package cf;	2296	package cf;
1789		2297
1790	=back	2298	=back
…		…
1809		2317
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2319
1812	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1814	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1815	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1817	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1818	}	2345	}
1819		2346
1820	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1821		2348
1822	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1869	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1870		2397
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2399
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1875		2402
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2404	}
1878		2405
1879	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1881		2410
1882	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1883		2412
1884	unless ($map) {	2413	unless ($map) {
1885	# restore original map position	2414	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1902		2431
1903	$map->load;	2432	$map->load;
1904	$map->load_diag;	2433	$map->load_neighbours;
1905		2434
1906	return unless $self->contr->active;	2435	return unless $self->contr->active;
1907	$self->activate_recursive;	2436	$self->activate_recursive;
1908		2437
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1911	}	2440	}
1912		2441
1913	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2443
1917	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1921	};	2448	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2449
1927	# try to abort aborted map switching on player login :)
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1948		2453
1949	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2459
1952	$self->enter_link;	2460	$self->enter_link;
1953		2461
1954	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1955	my $map = eval {	2484	my $map = eval {
1956	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
		2489	$map = $check->($map) if $check && $map;
		2490	} else {
		2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
		2493
1958	$map	2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2500	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1963	})->prio (1);	2508	})->prio (1);
1964	}	2509	}
1965		2510
1966	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1967		2512
…		…
2036	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
2038		2583
2039	$self->enter_link;	2584	$self->enter_link;
2040		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
2041	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
2042	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
2043	unless (eval {	2594	unless (eval {
2044	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
2045		2596
2046	1;	2597	1;
…		…
2072		2623
2073	utf8::encode $text;	2624	utf8::encode $text;
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075	}	2626	}
2076		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
2077	=item $client->ext_event ($type, %msg)	2721	=item $client->ext_msg ($type, @msg)
2078		2722
2079	Sends an exti event to the client.	2723	Sends an ext event to the client.
2080		2724
2081	=cut	2725	=cut
2082		2726
2083	sub cf::client::ext_event($$%) {	2727	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2728	my ($self, $type, @msg) = @_;
2085		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2733	push @msg, msgtype => "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
2088	}	2754	}
2089		2755
2090	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
2091		2757
2092	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		2761
2096	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	2763	become reliable at some point in the future.
2098		2764
2099	=cut	2765	=cut
2100		2766
2101	sub cf::client::query {	2767	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2776	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2778
2113	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2115	}	2783	}
2116		2784
2117	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
2118	on_reply => sub {	2791	on_reply => sub {
2119	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2120		2793
2121	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2122	# get handled first	2795	# get handled first
…		…
2134	} else {	2807	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2809	}
2137	}	2810	}
2138	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2139	);	2838	);
2140		2839
2141	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2142		2841
2143	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2186		2885
2187	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2188		2887
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2190		2893
2191	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2192		2895
2193	=pod	2896	=pod
2194		2897
2195	The following functions and methods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2196		2899
2197	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add destroy
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2198	cf::object::player player	2904	cf::object::player
2199	cf::player peaceful	2905	player
2200	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2201		2912
2202	=cut	2913	=cut
2203		2914
2204	for (	2915	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr destroy)],
2206	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2209	) {	2922	) {
2210	no strict 'refs';	2923	no strict 'refs';
…		…
2281	=back	2994	=back
2282		2995
2283	=cut	2996	=cut
2284		2997
2285	#############################################################################	2998	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	2999	# the server's init and main functions
2460		3000
2461	sub load_facedata($) {	3001	sub load_facedata($) {
2462	my ($path) = @_;	3002	my ($path) = @_;
		3003
		3004	# HACK to clear player env face cache, we need some signal framework
		3005	# for this (global event?)
		3006	%ext::player_env::MUSIC_FACE_CACHE = ();
		3007
		3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2463		3009
2464	warn "loading facedata from $path\n";	3010	warn "loading facedata from $path\n";
2465		3011
2466	my $facedata;	3012	my $facedata;
2467	0 < aio_load $path, $facedata	3013	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	3016	$facedata = Coro::Storable::thaw $facedata;
2471		3017
2472	$facedata->{version} == 2	3018	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		3020
		3021	# patch in the exptable
		3022	$facedata->{resource}{"res/exp_table"} = {
		3023	type => FT_RSRC,
		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3025	};
		3026	cf::cede_to_tick;
		3027
2475	{	3028	{
2476	my $faces = $facedata->{faceinfo};	3029	my $faces = $facedata->{faceinfo};
2477		3030
2478	while (my ($face, $info) = each %$faces) {	3031	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	3037
		3038	cf::cede_to_tick;
2484	}	3039	}
2485		3040
2486	while (my ($face, $info) = each %$faces) {	3041	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3042	next unless $info->{smooth};
2488	my $idx = cf::face::find $face	3043	my $idx = cf::face::find $face
2489	or next;	3044	or next;
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3048	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3050	}
2495	Coro::cede;	3051
		3052	cf::cede_to_tick;
2496	}	3053	}
2497	}	3054	}
2498		3055
2499	{	3056	{
2500	my $anims = $facedata->{animinfo};	3057	my $anims = $facedata->{animinfo};
2501		3058
2502	while (my ($anim, $info) = each %$anims) {	3059	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3061	cf::cede_to_tick;
2505	}	3062	}
2506		3063
2507	cf::anim::invalidate_all; # d'oh	3064	cf::anim::invalidate_all; # d'oh
2508	}	3065	}
2509		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
2510	1	3116	1
2511	}	3117	}
2512		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
2513	sub reload_regions {	3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
2514	load_resource_file "$MAPDIR/regions"	3132	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
2516	}	3139	}
2517		3140
2518	sub reload_facedata {	3141	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3142	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3143	or die "unable to load facedata\n";
2521	}	3144	}
2522		3145
2523	sub reload_archetypes {	3146	sub reload_archetypes {
2524	load_resource_file "$DATADIR/archetypes"	3147	load_resource_file "$DATADIR/archetypes"
2525	or die "unable to load archetypes\n";	3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
2526	}	3154	}
2527		3155
2528	sub reload_treasures {	3156	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	3157	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	3158	or die "unable to load treasurelists\n";
…		…
2533	sub reload_resources {	3161	sub reload_resources {
2534	warn "reloading resource files...\n";	3162	warn "reloading resource files...\n";
2535		3163
2536	reload_regions;	3164	reload_regions;
2537	reload_facedata;	3165	reload_facedata;
		3166	#reload_archetypes;#d#
2538	reload_archetypes;	3167	reload_archetypes;
2539	reload_treasures;	3168	reload_treasures;
2540		3169
2541	warn "finished reloading resource files\n";	3170	warn "finished reloading resource files\n";
2542	}	3171	}
2543		3172
2544	sub init {	3173	sub init {
2545	reload_resources;	3174	reload_resources;
2546	}	3175	}
2547		3176
2548	sub cfg_load {	3177	sub reload_config {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3179	or return;
2551		3180
2552	local $/;	3181	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
…		…
2569	sub main {	3198	sub main {
2570	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2571	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2573	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2574	Event::one_event;	3204	Event::one_event;
2575	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2576	};	3206	};
2577		3207
2578	cfg_load;	3208	reload_config;
2579	db_init;	3209	db_init;
2580	load_extensions;	3210	load_extensions;
2581		3211
2582	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2583	Event::loop;	3213	Event::loop;
…		…
2599	},	3229	},
2600	);	3230	);
2601	}	3231	}
2602	}	3232	}
2603		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2604	sub emergency_save() {	3272	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2606		3274
2607	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2608		3276
…		…
2612	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2613	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2614	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2615	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2616	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617	$pl->save;	3286	$pl->save;
2618	}	3287	}
2619	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2620		3289
2621	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2683	%EXT_CORO = ();	3352	%EXT_CORO = ();
2684		3353
2685	warn "removing commands";	3354	warn "removing commands";
2686	%COMMAND = ();	3355	%COMMAND = ();
2687		3356
2688	warn "removing ext commands";	3357	warn "removing ext/exti commands";
2689	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2690		3360
2691	warn "unloading/nuking all extensions";	3361	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2694		3364
…		…
2737	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2738	require cf;	3408	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3410
2741	warn "loading config and database again";	3411	warn "loading config and database again";
2742	cf::cfg_load;	3412	cf::reload_config;
2743		3413
2744	warn "loading extensions";	3414	warn "loading extensions";
2745	cf::load_extensions;	3415	cf::load_extensions;
2746		3416
2747	warn "reattaching attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
…		…
2783	register_command "reload" => sub {	3453	register_command "reload" => sub {
2784	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2785		3455
2786	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2787	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
		3458	async {
		3459	$Coro::current->{desc} = "perl_reload";
2788	async { reload_perl };	3460	reload_perl;
		3461	};
2789	}	3462	}
2790	};	3463	};
2791		3464
2792	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
2793		3466
…		…
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3499	unless ++$bug_warning > 10;
2827	return;	3500	return;
2828	}	3501	}
2829		3502
2830	$NOW = Event::time;	3503	$NOW = $tick_start = Event::time;
2831		3504
2832	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
2833		3506
2834	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2836		3509
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838	$NEXT_RUNTIME_WRITE = $NOW + 10;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
2839	Coro::async_pool {	3512	Coro::async_pool {
		3513	$Coro::current->{desc} = "runtime saver";
2840	write_runtime	3514	write_runtime
2841	or warn "ERROR: unable to write runtime file: $!";	3515	or warn "ERROR: unable to write runtime file: $!";
2842	};	3516	};
2843	}	3517	}
2844		3518
2845	# my $AFTER = Event::time;	3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2846	# warn $AFTER - $NOW;#d#	3520	$sig->send;
		3521	}
		3522	while (my $sig = shift @WAIT_FOR_TICK) {
		3523	$sig->send;
		3524	}
		3525
		3526	$NOW = Event::time;
2847		3527
2848	# if we are delayed by four ticks or more, skip them all	3528	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2850		3530
2851	$TICK_WATCHER->at ($NEXT_TICK);	3531	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;	3532	$TICK_WATCHER->start;
2853		3533
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3534	$LOAD = ($NOW - $tick_start) / $TICK;
2855	$sig->send;	3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2856	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;
2859	}
2860		3536
2861	_post_tick;	3537	_post_tick;
2862	},	3538	},
2863	);	3539	);
2864		3540
2865	{	3541	{
		3542	BDB::min_parallel 8;
2866	BDB::max_poll_time $TICK * 0.1;	3543	BDB::max_poll_time $TICK * 0.1;
2867	$BDB_POLL_WATCHER = Event->io (	3544	$BDB_POLL_WATCHER = Event->io (
2868	reentrant => 0,	3545	reentrant => 0,
2869	fd => BDB::poll_fileno,	3546	fd => BDB::poll_fileno,
2870	poll => 'r',	3547	poll => 'r',
2871	prio => 0,	3548	prio => 0,
2872	data => WF_AUTOCANCEL,	3549	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,	3550	cb => \&BDB::poll_cb,
2874	);	3551	);
2875	BDB::min_parallel 8;
2876		3552
2877	BDB::set_sync_prepare {	3553	BDB::set_sync_prepare {
2878	my $status;	3554	my $status;
2879	my $current = $Coro::current;	3555	my $current = $Coro::current;
2880	(	3556	(
…		…
2889	)	3565	)
2890	};	3566	};
2891		3567
2892	unless ($DB_ENV) {	3568	unless ($DB_ENV) {
2893	$DB_ENV = BDB::db_env_create;	3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2894		3574
2895	cf::sync_job {	3575	cf::sync_job {
2896	eval {	3576	eval {
2897	BDB::db_env_open	3577	BDB::db_env_open
2898	$DB_ENV,	3578	$DB_ENV,
…		…
2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	3582	0666;
2903		3583
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907	$DB_ENV->set_lk_detect;
2908	};	3585	};
2909		3586
2910	cf::cleanup "db_env_open(db): $@" if $@;	3587	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	3588	};
2912	}	3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
2913	}	3621	}
2914		3622
2915	{	3623	{
2916	IO::AIO::min_parallel 8;	3624	IO::AIO::min_parallel 8;
2917		3625
…		…
2920	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2921	reentrant => 0,	3629	reentrant => 0,
2922	data => WF_AUTOCANCEL,	3630	data => WF_AUTOCANCEL,
2923	fd => IO::AIO::poll_fileno,	3631	fd => IO::AIO::poll_fileno,
2924	poll => 'r',	3632	poll => 'r',
2925	prio => 6,	3633	prio => 0,
2926	cb => \&IO::AIO::poll_cb,	3634	cb => \&IO::AIO::poll_cb,
2927	);	3635	);
2928	}	3636	}
2929		3637
		3638	my $_log_backtrace;
		3639
		3640	sub _log_backtrace {
		3641	my ($msg, @addr) = @_;
		3642
		3643	$msg =~ s/\n//;
		3644
		3645	# limit the # of concurrent backtraces
		3646	if ($_log_backtrace < 2) {
		3647	++$_log_backtrace;
		3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
		3651	my @bt = fork_call {
		3652	@addr = map { sprintf "%x", $_ } @addr;
		3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3655	or die "addr2line: $!";
		3656
		3657	my @funcs;
		3658	my @res = <$fh>;
		3659	chomp for @res;
		3660	while (@res) {
		3661	my ($func, $line) = splice @res, 0, 2, ();
		3662	push @funcs, "[$func] $line";
		3663	}
		3664
		3665	@funcs
		3666	};
		3667
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] $_\n" for @bt;
		3670	--$_log_backtrace;
		3671	};
		3672	} else {
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] [suppressed]\n";
		3675	}
		3676	}
		3677
2930	# load additional modules	3678	# load additional modules
2931	use cf::pod;	3679	use cf::pod;
2932		3680
2933	END { cf::emergency_save }	3681	END { cf::emergency_save }
2934		3682

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