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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.260 by root, Fri Apr 27 19:53:05 2007 UTC vs.
Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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, 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	return 1;#d#
		977
		978	#todo#d# kill yourself and do some recursive checking manually without storable
		979	sync_job {
		980	my $guard = Coro::Storable::guard;
		981	local $Storable::canonical = 1;
		982	my $fob1 = Storable::freeze $ob1;
		983	my $fob2 = Storable::freeze $ob2;
		984	$fob1 eq $fob2
		985	}
		986	}
730		987
731	sub reattach {	988	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	989	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	990	my ($obj) = @_;
734		991
…		…
781	sub object_freezer_save {	1038	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1039	my ($filename, $rdata, $objs) = @_;
783		1040
784	sync_job {	1041	sync_job {
785	if (length $$rdata) {	1042	if (length $$rdata) {
		1043	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1044	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1045	$decname, length $$rdata, scalar @$objs;
788		1046
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1050	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1051	close $fh;
794		1052
795	if (@$objs) {	1053	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1054	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1055	chmod SAVE_MODE, $fh;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1057	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1058	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1059	close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1060	aio_rename "$filename.pst~", "$filename.pst";
803	}	1061	}
…		…
811	}	1069	}
812	} else {	1070	} else {
813	aio_unlink $filename;	1071	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1072	aio_unlink "$filename.pst";
815	}	1073	}
816	}	1074	};
817	}	1075	}
818		1076
819	sub object_freezer_as_string {	1077	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1078	my ($rdata, $objs) = @_;
821		1079
…		…
833	or return;	1091	or return;
834		1092
835	unless (aio_stat "$filename.pst") {	1093	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1094	(aio_load "$filename.pst", $av) >= 0
837	or return;	1095	or return;
838	$av = eval { (Storable::thaw $av)->{objs} };
839	}
840		1096
		1097	my $st = eval { Coro::Storable::thaw $av }
		1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1099	$av = $st->{objs};
		1100	}
		1101
		1102	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1103	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1104	$decname, length $data, scalar @{$av || []};
		1105
843	return ($data, $av);	1106	($data, $av)
844	}	1107	}
		1108
		1109	=head2 COMMAND CALLBACKS
		1110
		1111	=over 4
		1112
		1113	=cut
845		1114
846	#############################################################################	1115	#############################################################################
847	# command handling &c	1116	# command handling &c
848		1117
849	=item cf::register_command $name => \&callback($ob,$args);	1118	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1131	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1132	}
864		1133
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1134	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1135
867	Register a callbackf ro execution when the client sends an extcmd packet.	1136	Register a callback for execution when the client sends an (synchronous)
		1137	extcmd packet. Ext commands will be processed in the order they are
		1138	received by the server, like other user commands. The first argument is
		1139	the logged-in player. Ext commands can only be processed after a player
		1140	has logged in successfully.
868		1141
869	If the callback returns something, it is sent back as if reply was being	1142	If the callback returns something, it is sent back as if reply was being
870	called.	1143	called.
871		1144
		1145	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1146
		1147	Register a callback for execution when the client sends an (asynchronous)
		1148	exticmd packet. Exti commands are processed by the server as soon as they
		1149	are received, i.e. out of order w.r.t. other commands. The first argument
		1150	is a client socket. Exti commands can be received anytime, even before
		1151	log-in.
		1152
		1153	If the callback returns something, it is sent back as if reply was being
		1154	called.
		1155
872	=cut	1156	=cut
873		1157
874	sub register_extcmd {	1158	sub register_extcmd {
875	my ($name, $cb) = @_;	1159	my ($name, $cb) = @_;
876		1160
877	$EXTCMD{$name} = $cb;	1161	$EXTCMD{$name} = $cb;
		1162	}
		1163
		1164	sub register_exticmd {
		1165	my ($name, $cb) = @_;
		1166
		1167	$EXTICMD{$name} = $cb;
878	}	1168	}
879		1169
880	cf::player->attach (	1170	cf::player->attach (
881	on_command => sub {	1171	on_command => sub {
882	my ($pl, $name, $params) = @_;	1172	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1181	cf::override;
892	},	1182	},
893	on_extcmd => sub {	1183	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1184	my ($pl, $buf) = @_;
895		1185
896	my $msg = eval { from_json $buf };	1186	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1187
898	if (ref $msg) {	1188	if (ref $msg) {
		1189	my ($type, $reply, @payload) =
		1190	"ARRAY" eq ref $msg
		1191	? @$msg
		1192	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1193
		1194	my @reply;
		1195
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1196	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1197	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1198	}
		1199
		1200	$pl->ext_reply ($reply, @reply)
		1201	if $reply;
		1202
904	} else {	1203	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1204	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1205	}
907		1206
908	cf::override;	1207	cf::override;
909	},	1208	},
910	);	1209	);
911		1210
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 {	1211	sub load_extensions {
		1212	cf::sync_job {
		1213	my %todo;
		1214
947	for my $ext (<$LIBDIR/*.ext>) {	1215	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1216	next unless -r $path;
949	eval {	1217
950	load_extension $ext;	1218	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1219	my $base = $1;
		1220	my $pkg = $1;
		1221	$pkg =~ s/[^[:word:]]/_/g;
		1222	$pkg = "ext::$pkg";
		1223
		1224	open my $fh, "<:utf8", $path
		1225	or die "$path: $!";
		1226
		1227	my $source = do { local $/; <$fh> };
		1228
		1229	my %ext = (
		1230	path => $path,
		1231	base => $base,
		1232	pkg => $pkg,
		1233	);
		1234
		1235	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1236	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1237
		1238	$ext{source} =
		1239	"package $pkg; use strict; use utf8;\n"
		1240	. "#line 1 \"$path\"\n{\n"
		1241	. $source
		1242	. "\n};\n1";
		1243
		1244	$todo{$base} = \%ext;
		1245	}
		1246
		1247	my %done;
		1248	while (%todo) {
		1249	my $progress;
		1250
		1251	while (my ($k, $v) = each %todo) {
		1252	for (split /,\s*/, $v->{meta}{depends}) {
		1253	goto skip
		1254	unless exists $done{$_};
		1255	}
		1256
		1257	warn "... loading '$k' into '$v->{pkg}'\n";
		1258
		1259	unless (eval $v->{source}) {
		1260	my $msg = $@ ? "$v->{path}: $@\n"
		1261	: "$v->{base}: extension inactive.\n";
		1262
		1263	if (exists $v->{meta}{mandatory}) {
		1264	warn $msg;
		1265	warn "mandatory extension failed to load, exiting.\n";
		1266	exit 1;
		1267	}
		1268
		1269	warn $msg;
		1270	}
		1271
		1272	$done{$k} = delete $todo{$k};
		1273	push @EXTS, $v->{pkg};
		1274	$progress = 1;
951	1	1275	}
952	} or warn "$ext not loaded: $@";	1276
		1277	skip:
		1278	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1279	unless $progress;
		1280	}
953	}	1281	};
954	}	1282	}
955		1283
956	#############################################################################	1284	#############################################################################
957		1285
		1286	=back
		1287
958	=head2 CORE EXTENSIONS	1288	=head2 CORE EXTENSIONS
959		1289
960	Functions and methods that extend core crossfire objects.	1290	Functions and methods that extend core crossfire objects.
961		1291
962	=cut	1292	=cut
…		…
966	use Coro::AIO;	1296	use Coro::AIO;
967		1297
968	=head3 cf::player	1298	=head3 cf::player
969		1299
970	=over 4	1300	=over 4
		1301
		1302	=item cf::player::num_playing
		1303
		1304	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1305
		1306	=cut
		1307
		1308	sub num_playing {
		1309	scalar grep
		1310	$_->ob->map
		1311	&& !$_->hidden
		1312	&& !$_->ob->flag (cf::FLAG_WIZ),
		1313	cf::player::list
		1314	}
971		1315
972	=item cf::player::find $login	1316	=item cf::player::find $login
973		1317
974	Returns the given player object, loading it if necessary (might block).	1318	Returns the given player object, loading it if necessary (might block).
975		1319
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1355	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1356	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1357	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1358	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1359
1016	my $pl = load_pl path $login	1360	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1361	or return;
		1362
		1363	my $pl = cf::player::load_pl $f
		1364	or return;
		1365	local $cf::PLAYER_LOADING{$login} = $pl;
		1366	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1367	$cf::PLAYER{$login} = $pl
1019	}	1368	}
1020	}	1369	}
1021	}	1370	}
1022		1371
…		…
1032		1381
1033	aio_mkdir playerdir $pl, 0770;	1382	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1383	$pl->{last_save} = $cf::RUNTIME;
1035		1384
1036	$pl->save_pl ($path);	1385	$pl->save_pl ($path);
1037	Coro::cede;	1386	cf::cede_to_tick;
1038	}	1387	}
1039		1388
1040	sub new($) {	1389	sub new($) {
1041	my ($login) = @_;	1390	my ($login) = @_;
1042		1391
…		…
1046	$self->{deny_save} = 1;	1395	$self->{deny_save} = 1;
1047		1396
1048	$cf::PLAYER{$login} = $self;	1397	$cf::PLAYER{$login} = $self;
1049		1398
1050	$self	1399	$self
		1400	}
		1401
		1402	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1403
		1404	=cut
		1405
		1406	sub send_msg {
		1407	my $ns = shift->ns
		1408	or return;
		1409	$ns->send_msg (@_);
1051	}	1410	}
1052		1411
1053	=item $pl->quit_character	1412	=item $pl->quit_character
1054		1413
1055	Nukes the player without looking back. If logged in, the connection will	1414	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1469	or return [];
1111		1470
1112	my @logins;	1471	my @logins;
1113		1472
1114	for my $login (@$dirs) {	1473	for my $login (@$dirs) {
		1474	my $path = path $login;
		1475
		1476	# a .pst is a dead give-away for a valid player
		1477	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1479	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1480	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1481	}
1118		1482
1119	utf8::decode $login;	1483	utf8::decode $login;
1120	push @logins, $login;	1484	push @logins, $login;
1121	}	1485	}
1122		1486
…		…
1149	}	1513	}
1150		1514
1151	\@paths	1515	\@paths
1152	}	1516	}
1153		1517
		1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1519
		1520	Expand crossfire pod fragments into protocol xml.
		1521
		1522	=cut
		1523
		1524	sub expand_cfpod {
		1525	((my $self), (local $_)) = @_;
		1526
		1527	# escape & and <
		1528	s/&/&amp;/g;
		1529	s/(?<![BIUGHT])</&lt;/g;
		1530
		1531	# this is buggy, it needs to properly take care of nested <'s
		1532
		1533	1 while
		1534	# replace B<>, I<>, U<> etc.
		1535	s/B<([^\>]*)>/<b>$1<\/b>/
		1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1539	# replace G<male|female> tags
		1540	|| s{G<([^>|]*)\|([^>]*)>}{
		1541	$self->gender ? $2 : $1
		1542	}ge
		1543	# replace H<hint text>
		1544	|| s{H<([^\>]*)>}
		1545	{
		1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1548	"")
		1549	[$self->{hintmode}]
		1550	}ge;
		1551
		1552	# create single paragraphs (very hackish)
		1553	s/(?<=\S)\n(?=\w)/ /g;
		1554
		1555	# compress some whitespace
		1556	s/\s+\n/\n/g; # ws line-ends
		1557	s/\n\n+/\n/g; # double lines
		1558	s/^\n+//; # beginning lines
		1559	s/\n+$//; # ending lines
		1560
		1561	$_
		1562	}
		1563
		1564	sub hintmode {
		1565	$_[0]{hintmode} = $_[1] if @_ > 1;
		1566	$_[0]{hintmode}
		1567	}
		1568
1154	=item $player->ext_reply ($msgid, %msg)	1569	=item $player->ext_reply ($msgid, @msg)
1155		1570
1156	Sends an ext reply to the player.	1571	Sends an ext reply to the player.
1157		1572
1158	=cut	1573	=cut
1159		1574
1160	sub ext_reply($$%) {	1575	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1576	my ($self, $id, @msg) = @_;
1162		1577
1163	$msg{msgid} = $id;	1578	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1579	}
1167		1580
1168	=item $player->ext_event ($type, %msg)	1581	=item $player->ext_msg ($type, @msg)
1169		1582
1170	Sends an ext event to the client.	1583	Sends an ext event to the client.
1171		1584
1172	=cut	1585	=cut
1173		1586
1174	sub ext_event($$%) {	1587	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1588	my ($self, $type, @msg) = @_;
1176		1589
1177	$self->ns->ext_event ($type, %msg);	1590	$self->ns->ext_msg ($type, @msg);
1178	}	1591	}
1179		1592
1180	=head3 cf::region	1593	=head3 cf::region
1181		1594
1182	=over 4	1595	=over 4
…		…
1185		1598
1186	package cf::region;	1599	package cf::region;
1187		1600
1188	=item cf::region::find_by_path $path	1601	=item cf::region::find_by_path $path
1189		1602
1190	Tries to decuce the probable region for a map knowing only its path.	1603	Tries to decuce the likely region for a map knowing only its path.
1191		1604
1192	=cut	1605	=cut
1193		1606
1194	sub find_by_path($) {	1607	sub find_by_path($) {
1195	my ($path) = @_;	1608	my ($path) = @_;
1196		1609
1197	my ($match, $specificity);	1610	my ($match, $specificity);
1198		1611
1199	for my $region (list) {	1612	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1613	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1614	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1615	if $region->specificity > $specificity;
1203	}	1616	}
1204	}	1617	}
1205		1618
…		…
1269	my ($self, $merge) = @_;	1682	my ($self, $merge) = @_;
1270		1683
1271	# we have to keep some variables in memory intact	1684	# we have to keep some variables in memory intact
1272	local $self->{path};	1685	local $self->{path};
1273	local $self->{load_path};	1686	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1687
1277	$self->SUPER::thawer_merge ($merge);	1688	$self->SUPER::thawer_merge ($merge);
1278	}	1689	}
1279		1690
1280	sub normalise {	1691	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1738	$self->init; # pass $1 etc.
1328	return $self;	1739	return $self;
1329	}	1740	}
1330	}	1741	}
1331		1742
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1743	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1744	()
1334	}	1745	}
1335		1746
1336	sub init {	1747	sub init {
1337	my ($self) = @_;	1748	my ($self) = @_;
…		…
1380		1791
1381	$_->change_map_light ($change)	1792	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1793	for grep $_->outdoor, values %cf::MAP;
1383	}	1794	}
1384		1795
		1796	sub decay_objects {
		1797	my ($self) = @_;
		1798
		1799	return if $self->{deny_reset};
		1800
		1801	$self->do_decay_objects;
		1802	}
		1803
1385	sub unlink_save {	1804	sub unlink_save {
1386	my ($self) = @_;	1805	my ($self) = @_;
1387		1806
1388	utf8::encode (my $save = $self->save_path);	1807	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1808	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1811
1393	sub load_header_from($) {	1812	sub load_header_from($) {
1394	my ($self, $path) = @_;	1813	my ($self, $path) = @_;
1395		1814
1396	utf8::encode $path;	1815	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1816	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1817	or return;
		1818
		1819	$self->_load_header ($f)
		1820	or return;
		1821
		1822	local $MAP_LOADING{$self->{path}} = $self;
		1823	$f->resolve_delayed_derefs;
1402		1824
1403	$self->{load_path} = $path;	1825	$self->{load_path} = $path;
1404		1826
1405	1	1827	1
1406	}	1828	}
…		…
1445	$self->load_header_orig	1867	$self->load_header_orig
1446	or return;	1868	or return;
1447	$self->prepare_orig;	1869	$self->prepare_orig;
1448	}	1870	}
1449		1871
		1872	$self->{deny_reset} = 1
		1873	if $self->no_reset;
		1874
1450	$self->default_region (cf::region::find_by_path $self->{path})	1875	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1876	unless $self->default_region;
1452		1877
1453	1	1878	1
1454	}	1879	}
…		…
1457	sub find {	1882	sub find {
1458	my ($path, $origin) = @_;	1883	my ($path, $origin) = @_;
1459		1884
1460	$path = normalise $path, $origin && $origin->path;	1885	$path = normalise $path, $origin && $origin->path;
1461		1886
		1887	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1888	cf::lock_wait "map_find:$path";
1463		1889
1464	$cf::MAP{$path} || do {	1890	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1891	my $guard1 = cf::lock_acquire "map_find:$path";
		1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1893
1466	my $map = new_from_path cf::map $path	1894	my $map = new_from_path cf::map $path
1467	or return;	1895	or return;
1468		1896
1469	$map->{last_save} = $cf::RUNTIME;	1897	$map->{last_save} = $cf::RUNTIME;
1470		1898
1471	$map->load_header	1899	$map->load_header
1472	or return;	1900	or return;
1473		1901
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1903	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1904	#$cf::WAIT_FOR_TICK->wait;
		1905	undef $guard1;
		1906	undef $guard2;
1477	$map->reset;	1907	$map->reset;
1478	undef $guard;
1479	return find $path;	1908	return find $path;
1480	}	1909	}
1481		1910
1482	$cf::MAP{$path} = $map	1911	$cf::MAP{$path} = $map
1483	}	1912	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1921	local $self->{deny_reset} = 1; # loading can take a long time
1493		1922
1494	my $path = $self->{path};	1923	my $path = $self->{path};
1495		1924
1496	{	1925	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1926	my $guard = cf::lock_acquire "map_data:$path";
1498		1927
		1928	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1929	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1930
1501	$self->in_memory (cf::MAP_LOADING);	1931	$self->in_memory (cf::MAP_LOADING);
1502		1932
1503	$self->alloc;	1933	$self->alloc;
1504		1934
1505	$self->pre_load;	1935	$self->pre_load;
1506	Coro::cede;	1936	cf::cede_to_tick;
1507		1937
		1938	my $f = new_from_file cf::object::thawer $self->{load_path};
		1939	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1940	$self->_load_objects ($f)
1509	or return;	1941	or return;
1510		1942
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1944	if delete $self->{load_original};
1513		1945
1514	if (my $uniq = $self->uniq_path) {	1946	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1947	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1948	unless (aio_stat $uniq) {
		1949	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1950	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1951	$self->_load_objects ($f);
		1952	$f->resolve_delayed_derefs;
		1953	}
1519	}	1954	}
1520	}	1955	}
1521		1956
1522	Coro::cede;	1957	$f->resolve_delayed_derefs;
		1958
		1959	cf::cede_to_tick;
1523	# now do the right thing for maps	1960	# now do the right thing for maps
1524	$self->link_multipart_objects;	1961	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1962	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1963	unless $self->difficulty;
1527	Coro::cede;	1964	cf::cede_to_tick;
1528		1965
1529	unless ($self->{deny_activate}) {	1966	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1967	$self->decay_objects;
1531	$self->fix_auto_apply;	1968	$self->fix_auto_apply;
1532	$self->update_buttons;	1969	$self->update_buttons;
1533	Coro::cede;	1970	cf::cede_to_tick;
1534	$self->set_darkness_map;	1971	$self->set_darkness_map;
1535	Coro::cede;	1972	cf::cede_to_tick;
1536	$self->activate;	1973	$self->activate;
1537	}	1974	}
		1975
		1976	$self->{last_save} = $cf::RUNTIME;
		1977	$self->last_access ($cf::RUNTIME);
1538		1978
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1979	$self->in_memory (cf::MAP_IN_MEMORY);
1540	}	1980	}
1541		1981
1542	$self->post_load;	1982	$self->post_load;
…		…
1546	my ($self, $ob) = @_;	1986	my ($self, $ob) = @_;
1547		1987
1548	return find "~" . $ob->name . "/" . $self->{path}	1988	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	1989	if $self->per_player;
1550		1990
		1991	# return find "?party/" . $ob->name . "/" . $self->{path}
		1992	# if $self->per_party;
		1993
1551	$self	1994	$self
1552	}	1995	}
1553		1996
1554	# find and load all maps in the 3x3 area around a map	1997	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	1998	sub load_neighbours {
1556	my ($map) = @_;	1999	my ($map) = @_;
1557		2000
1558	my @diag; # diagonal neighbours	2001	my @neigh; # diagonal neighbours
1559		2002
1560	for (0 .. 3) {	2003	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2004	my $neigh = $map->tile_path ($_)
1562	or next;	2005	or next;
1563	$neigh = find $neigh, $map	2006	$neigh = find $neigh, $map
1564	or next;	2007	or next;
1565	$neigh->load;	2008	$neigh->load;
1566		2009
		2010	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2011	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2012	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2013	}
1570		2014
1571	for (@diag) {	2015	for (grep defined $_->[0], @neigh) {
		2016	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2017	my $neigh = find $path, $origin
1573	or next;	2018	or next;
1574	$neigh->load;	2019	$neigh->load;
1575	}	2020	}
1576	}	2021	}
1577		2022
…		…
1582	}	2027	}
1583		2028
1584	sub do_load_sync {	2029	sub do_load_sync {
1585	my ($map) = @_;	2030	my ($map) = @_;
1586		2031
		2032	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2033	if $Coro::current == $Coro::main;
		2034
1587	cf::sync_job { $map->load };	2035	cf::sync_job { $map->load };
1588	}	2036	}
1589		2037
1590	our %MAP_PREFETCH;	2038	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2039	our $MAP_PREFETCHER = undef;
1592		2040
1593	sub find_async {	2041	sub find_async {
1594	my ($path, $origin) = @_;	2042	my ($path, $origin, $load) = @_;
1595		2043
1596	$path = normalise $path, $origin && $origin->{path};	2044	$path = normalise $path, $origin && $origin->{path};
1597		2045
1598	if (my $map = $cf::MAP{$path}) {	2046	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1600	}	2048	}
1601		2049
1602	undef $MAP_PREFETCH{$path};	2050	$MAP_PREFETCH{$path} |= $load;
		2051
1603	$MAP_PREFETCHER ||= cf::async {	2052	$MAP_PREFETCHER ||= cf::async {
		2053	$Coro::current->{desc} = "map prefetcher";
		2054
1604	while (%MAP_PREFETCH) {	2055	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2056	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2057	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2058	$map->load if $v;
		2059	}
1609		2060
1610	delete $MAP_PREFETCH{$path};	2061	delete $MAP_PREFETCH{$k};
1611	}	2062	}
1612	}	2063	}
1613	undef $MAP_PREFETCHER;	2064	undef $MAP_PREFETCHER;
1614	};	2065	};
1615	$MAP_PREFETCHER->prio (6);	2066	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2069	}
1619		2070
1620	sub save {	2071	sub save {
1621	my ($self) = @_;	2072	my ($self) = @_;
1622		2073
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2074	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2075
1625	$self->{last_save} = $cf::RUNTIME;	2076	$self->{last_save} = $cf::RUNTIME;
1626		2077
1627	return unless $self->dirty;	2078	return unless $self->dirty;
1628		2079
…		…
1634	return if $self->{deny_save};	2085	return if $self->{deny_save};
1635		2086
1636	local $self->{last_access} = $self->last_access;#d#	2087	local $self->{last_access} = $self->last_access;#d#
1637		2088
1638	cf::async {	2089	cf::async {
		2090	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2091	$_->contr->save for $self->players;
1640	};	2092	};
1641		2093
1642	if ($uniq) {	2094	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1651	my ($self) = @_;	2103	my ($self) = @_;
1652		2104
1653	# save first because save cedes	2105	# save first because save cedes
1654	$self->save;	2106	$self->save;
1655		2107
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2108	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2109
1658	return if $self->players;	2110	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2111	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};	2112	return if $self->{deny_save};
1661		2113
		2114	$self->in_memory (cf::MAP_SWAPPED);
		2115
		2116	$self->deactivate;
		2117	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2118	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2119	}
1665		2120
1666	sub reset_at {	2121	sub reset_at {
1667	my ($self) = @_;	2122	my ($self) = @_;
1668		2123
1669	# TODO: safety, remove and allow resettable per-player maps	2124	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2125	return 1e99 if $self->{deny_reset};
1672		2126
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2127	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2128	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2129
…		…
1686	my ($self) = @_;	2140	my ($self) = @_;
1687		2141
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2143
1690	return if $self->players;	2144	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2145
1693	warn "resetting map ", $self->path;#d#	2146	warn "resetting map ", $self->path;
1694		2147
1695	$self->in_memory (cf::MAP_SWAPPED);	2148	$self->in_memory (cf::MAP_SWAPPED);
1696		2149
1697	# need to save uniques path	2150	# need to save uniques path
1698	unless ($self->{deny_save}) {	2151	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2155	if $uniq;
1703	}	2156	}
1704		2157
1705	delete $cf::MAP{$self->path};	2158	delete $cf::MAP{$self->path};
1706		2159
		2160	$self->deactivate;
		2161	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2162	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2163
1711	$self->unlink_save;	2164	$self->unlink_save;
1712	$self->destroy;	2165	$self->destroy;
1713	}	2166	}
1714		2167
1715	my $nuke_counter = "aaaa";	2168	my $nuke_counter = "aaaa";
1716		2169
1717	sub nuke {	2170	sub nuke {
1718	my ($self) = @_;	2171	my ($self) = @_;
1719		2172
		2173	{
		2174	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2175
1720	delete $cf::MAP{$self->path};	2176	delete $cf::MAP{$self->path};
1721		2177
1722	$self->unlink_save;	2178	$self->unlink_save;
1723		2179
1724	bless $self, "cf::map";	2180	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2181	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2182	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2183	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2184	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2185
1730	$cf::MAP{$self->path} = $self;	2186	$cf::MAP{$self->path} = $self;
		2187	}
1731		2188
1732	$self->reset; # polite request, might not happen	2189	$self->reset; # polite request, might not happen
		2190	}
		2191
		2192	=item $maps = cf::map::tmp_maps
		2193
		2194	Returns an arrayref with all map paths of currently instantiated and saved
		2195	maps. May block.
		2196
		2197	=cut
		2198
		2199	sub tmp_maps() {
		2200	[
		2201	map {
		2202	utf8::decode $_;
		2203	/\.map$/
		2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $TMPDIR or [] }
		2207	]
		2208	}
		2209
		2210	=item $maps = cf::map::random_maps
		2211
		2212	Returns an arrayref with all map paths of currently instantiated and saved
		2213	random maps. May block.
		2214
		2215	=cut
		2216
		2217	sub random_maps() {
		2218	[
		2219	map {
		2220	utf8::decode $_;
		2221	/\.map$/
		2222	? normalise "?random/$_"
		2223	: ()
		2224	} @{ aio_readdir $RANDOMDIR or [] }
		2225	]
1733	}	2226	}
1734		2227
1735	=item cf::map::unique_maps	2228	=item cf::map::unique_maps
1736		2229
1737	Returns an arrayref of paths of all shared maps that have	2230	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2231	instantiated unique items. May block.
1739		2232
1740	=cut	2233	=cut
1741		2234
1742	sub unique_maps() {	2235	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2236	[
1744	or return;	2237	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2238	utf8::decode $_;
1750	next if /\.pst$/;	2239	/\.map$/
1751	next unless /^$PATH_SEP/o;	2240	? normalise $_
1752		2241	: ()
1753	push @paths, cf::map::normalise $_;	2242	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2243	]
1755
1756	\@paths
1757	}	2244	}
1758		2245
1759	package cf;	2246	package cf;
1760		2247
1761	=back	2248	=back
…		…
1779	map { $_, inv_recursive_ $_->inv } @_	2266	map { $_, inv_recursive_ $_->inv } @_
1780	}	2267	}
1781		2268
1782	sub inv_recursive {	2269	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2270	inv_recursive_ inv $_[0]
		2271	}
		2272
		2273	=item $ref = $ob->ref
		2274
		2275	creates and returns a persistent reference to an objetc that can be stored as a string.
		2276
		2277	=item $ob = cf::object::deref ($refstring)
		2278
		2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2280	even if the object actually exists. May block.
		2281
		2282	=cut
		2283
		2284	sub deref {
		2285	my ($ref) = @_;
		2286
		2287	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2288	my ($uuid, $name) = ($1, $2);
		2289	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2290	or return;
		2291	$pl->ob->uuid eq $uuid
		2292	or return;
		2293
		2294	$pl->ob
		2295	} else {
		2296	warn "$ref: cannot resolve object reference\n";
		2297	undef
		2298	}
1784	}	2299	}
1785		2300
1786	package cf;	2301	package cf;
1787		2302
1788	=back	2303	=back
…		…
1807		2322
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2323	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2324
1810	if ($self->{record_replies}) {	2325	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2326	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2327
1812	} else {	2328	} else {
		2329	my $pl = $self->contr;
		2330
		2331	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2332	my $dialog = $pl->{npc_dialog};
		2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2334
		2335	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2336	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2337	$self->message ($msg, $flags);
		2338	}
1815	}	2339	}
		2340	}
		2341
		2342	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2343
		2344	=cut
		2345
		2346	sub cf::object::send_msg {
		2347	my $pl = shift->contr
		2348	or return;
		2349	$pl->send_msg (@_);
1816	}	2350	}
1817		2351
1818	=item $player_object->may ("access")	2352	=item $player_object->may ("access")
1819		2353
1820	Returns wether the given player is authorized to access resource "access"	2354	Returns wether the given player is authorized to access resource "access"
…		…
1867	$self->deactivate_recursive;	2401	$self->deactivate_recursive;
1868		2402
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2403	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2404
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2405	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2406	if $self->map && $self->map->{path} ne "{link}";
1873		2407
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2408	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1875	}	2409	}
1876		2410
1877	sub cf::object::player::leave_link {	2411	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2412	my ($self, $map, $x, $y) = @_;
		2413
		2414	return unless $self->contr->active;
1879		2415
1880	my $link_pos = delete $self->{_link_pos};	2416	my $link_pos = delete $self->{_link_pos};
1881		2417
1882	unless ($map) {	2418	unless ($map) {
1883	# restore original map position	2419	# restore original map position
…		…
1897	# use -1 or undef as default coordinates, not 0, 0	2433	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2434	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2435	if $x <=0 && $y <= 0;
1900		2436
1901	$map->load;	2437	$map->load;
1902	$map->load_diag;	2438	$map->load_neighbours;
1903		2439
1904	return unless $self->contr->active;	2440	return unless $self->contr->active;
1905	$self->activate_recursive;	2441	$self->activate_recursive;
1906		2442
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2444	$self->enter_map ($map, $x, $y);
1909	}	2445	}
1910		2446
1911	cf::player->attach (	2447	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912	on_logout => sub {
1913	my ($pl) = @_;
1914		2448
1915	# abort map switching before logout	2449	Moves the player to the given map-path and coordinates by first freezing
1916	if ($pl->ob->{_link_pos}) {	2450	her, loading and preparing them map, calling the provided $check callback
1917	cf::sync_job {	2451	that has to return the map if sucecssful, and then unfreezes the player on
1918	$pl->ob->leave_link	2452	the new (success) or old (failed) map position. In either case, $done will
1919	};	2453	be called at the end of this process.
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2454
1925	# try to abort aborted map switching on player login :)
1926	# should happen only on crashes
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942
1943	=item $player_object->goto ($path, $x, $y)
1944
1945	=cut	2455	=cut
		2456
		2457	our $GOTOGEN;
1946		2458
1947	sub cf::object::player::goto {	2459	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2460	my ($self, $path, $x, $y, $check, $done) = @_;
		2461
		2462	# do generation counting so two concurrent goto's will be executed in-order
		2463	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2464
1950	$self->enter_link;	2465	$self->enter_link;
1951		2466
1952	(async {	2467	(async {
		2468	$Coro::current->{desc} = "player::goto $path $x $y";
		2469
		2470	# *tag paths override both path and x|y
		2471	if ($path =~ /^\*(.*)$/) {
		2472	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2473	my $ob = $obs[rand @obs];
		2474
		2475	# see if we actually can go there
		2476	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2477	$ob = $obs[rand @obs];
		2478	} else {
		2479	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2480	}
		2481	# else put us there anyways for now #d#
		2482
		2483	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2484	} else {
		2485	($path, $x, $y) = (undef, undef, undef);
		2486	}
		2487	}
		2488
1953	my $map = eval {	2489	my $map = eval {
1954	my $map = cf::map::find $path;	2490	my $map = defined $path ? cf::map::find $path : undef;
		2491
		2492	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2493	$map = $map->customise_for ($self);
		2494	$map = $check->($map) if $check && $map;
		2495	} else {
		2496	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	}
		2498
1956	$map	2499	$map
		2500	};
		2501
		2502	if ($@) {
		2503	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2504	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2505	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2506
		2507	if ($gen == $self->{_goto_generation}) {
		2508	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2509	$self->leave_link ($map, $x, $y);
		2510	}
		2511
		2512	$done->() if $done;
1961	})->prio (1);	2513	})->prio (1);
1962	}	2514	}
1963		2515
1964	=item $player_object->enter_exit ($exit_object)	2516	=item $player_object->enter_exit ($exit_object)
1965		2517
…		…
2034	my $hp = $exit->stats->hp;	2586	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;	2587	my $sp = $exit->stats->sp;
2036		2588
2037	$self->enter_link;	2589	$self->enter_link;
2038		2590
		2591	# if exit is damned, update players death & WoR home-position
		2592	$self->contr->savebed ($slaying, $hp, $sp)
		2593	if $exit->flag (FLAG_DAMNED);
		2594
2039	(async {	2595	(async {
		2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2597
2040	$self->deactivate_recursive; # just to be sure	2598	$self->deactivate_recursive; # just to be sure
2041	unless (eval {	2599	unless (eval {
2042	$self->goto ($slaying, $hp, $sp);	2600	$self->goto ($slaying, $hp, $sp);
2043		2601
2044	1;	2602	1;
…		…
2070		2628
2071	utf8::encode $text;	2629	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2630	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2631	}
2074		2632
		2633	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2634
		2635	Send a drawinfo or msg packet to the client, formatting the msg for the
		2636	client if neccessary. C<$type> should be a string identifying the type of
		2637	the message, with C<log> being the default. If C<$color> is negative, suppress
		2638	the message unless the client supports the msg packet.
		2639
		2640	=cut
		2641
		2642	our %CHANNEL = (
		2643	"c/identify" => {
		2644	id => "infobox",
		2645	title => "Identify",
		2646	reply => undef,
		2647	tooltip => "Items recently identified",
		2648	},
		2649	"c/examine" => {
		2650	id => "infobox",
		2651	title => "Examine",
		2652	reply => undef,
		2653	tooltip => "Signs and other items you examined",
		2654	},
		2655	"c/lookat" => {
		2656	id => "infobox",
		2657	title => "Look",
		2658	reply => undef,
		2659	tooltip => "What you saw there",
		2660	},
		2661	);
		2662
		2663	sub cf::client::send_msg {
		2664	my ($self, $channel, $msg, $color, @extra) = @_;
		2665
		2666	$msg = $self->pl->expand_cfpod ($msg);
		2667
		2668	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2669
		2670	# check predefined channels, for the benefit of C
		2671	if ($CHANNEL{$channel}) {
		2672	$channel = $CHANNEL{$channel};
		2673
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676
		2677	$channel = $channel->{id};
		2678
		2679	} elsif (ref $channel) {
		2680	# send meta info to client, if not yet sent
		2681	unless (exists $self->{channel}{$channel->{id}}) {
		2682	$self->{channel}{$channel->{id}} = $channel;
		2683	$self->ext_msg (channel_info => $channel)
		2684	if $self->can_msg;
		2685	}
		2686
		2687	$channel = $channel->{id};
		2688	}
		2689
		2690	return unless @extra || length $msg;
		2691
		2692	if ($self->can_msg) {
		2693	# default colour, mask it out
		2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2695	if $color & cf::NDI_DEF;
		2696
		2697	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2699	} else {
		2700	if ($color >= 0) {
		2701	# replace some tags by gcfclient-compatible ones
		2702	for ($msg) {
		2703	1 while
		2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2709	}
		2710
		2711	$color &= cf::NDI_COLOR_MASK;
		2712
		2713	utf8::encode $msg;
		2714
		2715	if (0 && $msg =~ /\[/) {
		2716	# COMMAND/INFO
		2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2718	} else {
		2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2720	$self->send_packet ("drawinfo $color $msg")
		2721	}
		2722	}
		2723	}
		2724	}
		2725
2075	=item $client->ext_event ($type, %msg)	2726	=item $client->ext_msg ($type, @msg)
2076		2727
2077	Sends an exti event to the client.	2728	Sends an ext event to the client.
2078		2729
2079	=cut	2730	=cut
2080		2731
2081	sub cf::client::ext_event($$%) {	2732	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	2733	my ($self, $type, @msg) = @_;
2083		2734
		2735	if ($self->extcmd == 2) {
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2737	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	2738	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
		2742
		2743	=item $client->ext_reply ($msgid, @msg)
		2744
		2745	Sends an ext reply to the client.
		2746
		2747	=cut
		2748
		2749	sub cf::client::ext_reply($$@) {
		2750	my ($self, $id, @msg) = @_;
		2751
		2752	if ($self->extcmd == 2) {
		2753	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2754	} elsif ($self->extcmd == 1) {
		2755	#TODO: version 1, remove
		2756	unshift @msg, msgtype => "reply", msgid => $id;
		2757	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2758	}
2086	}	2759	}
2087		2760
2088	=item $success = $client->query ($flags, "text", \&cb)	2761	=item $success = $client->query ($flags, "text", \&cb)
2089		2762
2090	Queues a query to the client, calling the given callback with	2763	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2764	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2765	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		2766
2094	Queries can fail, so check the return code. Or don't, as queries will become	2767	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	2768	become reliable at some point in the future.
2096		2769
2097	=cut	2770	=cut
2098		2771
2099	sub cf::client::query {	2772	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	2773	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	2781	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2782	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		2783
2111	$self->send_packet ($self->{query_queue}[0][0])	2784	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	2785	if @{ $self->{query_queue} } == 1;
		2786
		2787	1
2113	}	2788	}
2114		2789
2115	cf::client->attach (	2790	cf::client->attach (
		2791	on_connect => sub {
		2792	my ($ns) = @_;
		2793
		2794	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2795	},
2116	on_reply => sub {	2796	on_reply => sub {
2117	my ($ns, $msg) = @_;	2797	my ($ns, $msg) = @_;
2118		2798
2119	# this weird shuffling is so that direct followup queries	2799	# this weird shuffling is so that direct followup queries
2120	# get handled first	2800	# get handled first
…		…
2132	} else {	2812	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2813	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	2814	}
2135	}	2815	}
2136	},	2816	},
		2817	on_exticmd => sub {
		2818	my ($ns, $buf) = @_;
		2819
		2820	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2821
		2822	if (ref $msg) {
		2823	my ($type, $reply, @payload) =
		2824	"ARRAY" eq ref $msg
		2825	? @$msg
		2826	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2827
		2828	my @reply;
		2829
		2830	if (my $cb = $EXTICMD{$type}) {
		2831	@reply = $cb->($ns, @payload);
		2832	}
		2833
		2834	$ns->ext_reply ($reply, @reply)
		2835	if $reply;
		2836
		2837	} else {
		2838	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2839	}
		2840
		2841	cf::override;
		2842	},
2137	);	2843	);
2138		2844
2139	=item $client->async (\&cb)	2845	=item $client->async (\&cb)
2140		2846
2141	Create a new coroutine, running the specified callback. The coroutine will	2847	Create a new coroutine, running the specified callback. The coroutine will
…		…
2182	our $safe = new Safe "safe";	2888	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	2889	our $safe_hole = new Safe::Hole;
2184		2890
2185	$SIG{FPE} = 'IGNORE';	2891	$SIG{FPE} = 'IGNORE';
2186		2892
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2893	$safe->permit_only (Opcode::opset qw(
		2894	:base_core :base_mem :base_orig :base_math
		2895	grepstart grepwhile mapstart mapwhile
		2896	sort time
		2897	));
2188		2898
2189	# here we export the classes and methods available to script code	2899	# here we export the classes and methods available to script code
2190		2900
2191	=pod	2901	=pod
2192		2902
2193	The following functions and methods are available within a safe environment:	2903	The following functions and methods are available within a safe environment:
2194		2904
2195	cf::object contr pay_amount pay_player map	2905	cf::object
		2906	contr pay_amount pay_player map x y force_find force_add destroy
		2907	insert remove name archname title slaying race decrease_ob_nr
		2908
2196	cf::object::player player	2909	cf::object::player
2197	cf::player peaceful	2910	player
2198	cf::map trigger	2911
		2912	cf::player
		2913	peaceful
		2914
		2915	cf::map
		2916	trigger
2199		2917
2200	=cut	2918	=cut
2201		2919
2202	for (	2920	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2922	insert remove inv name archname title slaying race
		2923	decrease_ob_nr destroy)],
2204	["cf::object::player" => qw(player)],	2924	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	2925	["cf::player" => qw(peaceful)],
2206	["cf::map" => qw(trigger)],	2926	["cf::map" => qw(trigger)],
2207	) {	2927	) {
2208	no strict 'refs';	2928	no strict 'refs';
…		…
2279	=back	2999	=back
2280		3000
2281	=cut	3001	=cut
2282		3002
2283	#############################################################################	3003	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455
2456	#############################################################################
2457	# the server's init and main functions	3004	# the server's init and main functions
2458		3005
2459	sub load_facedata($) {	3006	sub load_facedata($) {
2460	my ($path) = @_;	3007	my ($path) = @_;
		3008
		3009	# HACK to clear player env face cache, we need some signal framework
		3010	# for this (global event?)
		3011	%ext::player_env::MUSIC_FACE_CACHE = ();
		3012
		3013	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461		3014
2462	warn "loading facedata from $path\n";	3015	warn "loading facedata from $path\n";
2463		3016
2464	my $facedata;	3017	my $facedata;
2465	0 < aio_load $path, $facedata	3018	0 < aio_load $path, $facedata
…		…
2468	$facedata = Coro::Storable::thaw $facedata;	3021	$facedata = Coro::Storable::thaw $facedata;
2469		3022
2470	$facedata->{version} == 2	3023	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3024	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		3025
		3026	# patch in the exptable
		3027	$facedata->{resource}{"res/exp_table"} = {
		3028	type => FT_RSRC,
		3029	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3030	};
		3031	cf::cede_to_tick;
		3032
2473	{	3033	{
2474	my $faces = $facedata->{faceinfo};	3034	my $faces = $facedata->{faceinfo};
2475		3035
2476	while (my ($face, $info) = each %$faces) {	3036	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3038	cf::face::set_visibility $idx, $info->{visibility};
		3039	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2481	Coro::cede;	3042
		3043	cf::cede_to_tick;
2482	}	3044	}
2483		3045
2484	while (my ($face, $info) = each %$faces) {	3046	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3047	next unless $info->{smooth};
2486	my $idx = cf::face::find $face	3048	my $idx = cf::face::find $face
2487	or next;	3049	or next;
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3050	if (my $smooth = cf::face::find $info->{smooth}) {
		3051	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3053	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3054	warn "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3055	}
2493	Coro::cede;	3056
		3057	cf::cede_to_tick;
2494	}	3058	}
2495	}	3059	}
2496		3060
2497	{	3061	{
2498	my $anims = $facedata->{animinfo};	3062	my $anims = $facedata->{animinfo};
2499		3063
2500	while (my ($anim, $info) = each %$anims) {	3064	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3065	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3066	cf::cede_to_tick;
2503	}	3067	}
2504		3068
2505	cf::anim::invalidate_all; # d'oh	3069	cf::anim::invalidate_all; # d'oh
2506	}	3070	}
2507		3071
		3072	{
		3073	# TODO: for gcfclient pleasure, we should give resources
		3074	# that gcfclient doesn't grok a >10000 face index.
		3075	my $res = $facedata->{resource};
		3076
		3077	my $soundconf = delete $res->{"res/sound.conf"};
		3078
		3079	while (my ($name, $info) = each %$res) {
		3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3081	my $data;
		3082
		3083	if ($info->{type} & 1) {
		3084	# prepend meta info
		3085
		3086	my $meta = $enc->encode ({
		3087	name => $name,
		3088	%{ $info->{meta} || {} },
		3089	});
		3090
		3091	$data = pack "(w/a*)*", $meta, $info->{data};
		3092	} else {
		3093	$data = $info->{data};
		3094	}
		3095
		3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3097	cf::face::set_type $idx, $info->{type};
		3098
		3099	cf::cede_to_tick;
		3100	}
		3101
		3102	if ($soundconf) {
		3103	$soundconf = $enc->decode (delete $soundconf->{data});
		3104
		3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3106	my $sound = $soundconf->{compat}[$_]
		3107	or next;
		3108
		3109	my $face = cf::face::find "sound/$sound->[1]";
		3110	cf::sound::set $sound->[0] => $face;
		3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3112	}
		3113
		3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3115	my $face = cf::face::find "sound/$v";
		3116	cf::sound::set $k => $face;
		3117	}
		3118	}
		3119	}
		3120
2508	1	3121	1
2509	}	3122	}
2510		3123
		3124	register_exticmd fx_want => sub {
		3125	my ($ns, $want) = @_;
		3126
		3127	while (my ($k, $v) = each %$want) {
		3128	$ns->fx_want ($k, $v);
		3129	}
		3130	};
		3131
2511	sub reload_regions {	3132	sub reload_regions {
		3133	# HACK to clear player env face cache, we need some signal framework
		3134	# for this (global event?)
		3135	%ext::player_env::MUSIC_FACE_CACHE = ();
		3136
2512	load_resource_file "$MAPDIR/regions"	3137	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3138	or die "unable to load regions file\n";
		3139
		3140	for (cf::region::list) {
		3141	$_->{match} = qr/$_->{match}/
		3142	if exists $_->{match};
		3143	}
2514	}	3144	}
2515		3145
2516	sub reload_facedata {	3146	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3147	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3148	or die "unable to load facedata\n";
2519	}	3149	}
2520		3150
2521	sub reload_archetypes {	3151	sub reload_archetypes {
2522	load_resource_file "$DATADIR/archetypes"	3152	load_resource_file "$DATADIR/archetypes"
2523	or die "unable to load archetypes\n";	3153	or die "unable to load archetypes\n";
		3154	#d# NEED to laod twice to resolve forward references
		3155	# this really needs to be done in an extra post-pass
		3156	# (which needs to be synchronous, so solve it differently)
		3157	load_resource_file "$DATADIR/archetypes"
		3158	or die "unable to load archetypes\n";
2524	}	3159	}
2525		3160
2526	sub reload_treasures {	3161	sub reload_treasures {
2527	load_resource_file "$DATADIR/treasures"	3162	load_resource_file "$DATADIR/treasures"
2528	or die "unable to load treasurelists\n";	3163	or die "unable to load treasurelists\n";
…		…
2531	sub reload_resources {	3166	sub reload_resources {
2532	warn "reloading resource files...\n";	3167	warn "reloading resource files...\n";
2533		3168
2534	reload_regions;	3169	reload_regions;
2535	reload_facedata;	3170	reload_facedata;
		3171	#reload_archetypes;#d#
2536	reload_archetypes;	3172	reload_archetypes;
2537	reload_treasures;	3173	reload_treasures;
2538		3174
2539	warn "finished reloading resource files\n";	3175	warn "finished reloading resource files\n";
2540	}	3176	}
2541		3177
2542	sub init {	3178	sub init {
2543	reload_resources;	3179	reload_resources;
2544	}	3180	}
2545		3181
2546	sub cfg_load {	3182	sub reload_config {
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3183	open my $fh, "<:utf8", "$CONFDIR/config"
2548	or return;	3184	or return;
2549		3185
2550	local $/;	3186	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;	3187	*CFG = YAML::Syck::Load <$fh>;
…		…
2567	sub main {	3203	sub main {
2568	# we must not ever block the main coroutine	3204	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3205	local $Coro::idle = sub {
2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571	(async {	3207	(async {
		3208	$Coro::current->{desc} = "IDLE BUG HANDLER";
2572	Event::one_event;	3209	Event::one_event;
2573	})->prio (Coro::PRIO_MAX);	3210	})->prio (Coro::PRIO_MAX);
2574	};	3211	};
2575		3212
2576	cfg_load;	3213	reload_config;
2577	db_init;	3214	db_init;
2578	load_extensions;	3215	load_extensions;
2579		3216
2580	$TICK_WATCHER->start;	3217	$TICK_WATCHER->start;
2581	Event::loop;	3218	Event::loop;
…		…
2597	},	3234	},
2598	);	3235	);
2599	}	3236	}
2600	}	3237	}
2601		3238
		3239	sub write_runtime {
		3240	my $runtime = "$LOCALDIR/runtime";
		3241
		3242	# first touch the runtime file to show we are still running:
		3243	# the fsync below can take a very very long time.
		3244
		3245	IO::AIO::aio_utime $runtime, undef, undef;
		3246
		3247	my $guard = cf::lock_acquire "write_runtime";
		3248
		3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3250	or return;
		3251
		3252	my $value = $cf::RUNTIME + 90 + 10;
		3253	# 10 is the runtime save interval, for a monotonic clock
		3254	# 60 allows for the watchdog to kill the server.
		3255
		3256	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3257	and return;
		3258
		3259	# always fsync - this file is important
		3260	aio_fsync $fh
		3261	and return;
		3262
		3263	# touch it again to show we are up-to-date
		3264	aio_utime $fh, undef, undef;
		3265
		3266	close $fh
		3267	or return;
		3268
		3269	aio_rename "$runtime~", $runtime
		3270	and return;
		3271
		3272	warn "runtime file written.\n";
		3273
		3274	1
		3275	}
		3276
2602	sub emergency_save() {	3277	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3278	my $freeze_guard = cf::freeze_mainloop;
2604		3279
2605	warn "enter emergency perl save\n";	3280	warn "enter emergency perl save\n";
2606		3281
…		…
2610	# and maps saved/destroyed asynchronously.	3285	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3286	warn "begin emergency player save\n";
2612	for my $login (keys %cf::PLAYER) {	3287	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3288	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3289	$pl->valid or next;
		3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3291	$pl->save;
2616	}	3292	}
2617	warn "end emergency player save\n";	3293	warn "end emergency player save\n";
2618		3294
2619	warn "begin emergency map save\n";	3295	warn "begin emergency map save\n";
…		…
2681	%EXT_CORO = ();	3357	%EXT_CORO = ();
2682		3358
2683	warn "removing commands";	3359	warn "removing commands";
2684	%COMMAND = ();	3360	%COMMAND = ();
2685		3361
2686	warn "removing ext commands";	3362	warn "removing ext/exti commands";
2687	%EXTCMD = ();	3363	%EXTCMD = ();
		3364	%EXTICMD = ();
2688		3365
2689	warn "unloading/nuking all extensions";	3366	warn "unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {	3367	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";	3368	warn "... unloading $pkg";
2692		3369
…		…
2735	warn "reloading cf.pm";	3412	warn "reloading cf.pm";
2736	require cf;	3413	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2738		3415
2739	warn "loading config and database again";	3416	warn "loading config and database again";
2740	cf::cfg_load;	3417	cf::reload_config;
2741		3418
2742	warn "loading extensions";	3419	warn "loading extensions";
2743	cf::load_extensions;	3420	cf::load_extensions;
2744		3421
2745	warn "reattaching attachments to objects/players";	3422	warn "reattaching attachments to objects/players";
…		…
2781	register_command "reload" => sub {	3458	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	3459	my ($who, $arg) = @_;
2783		3460
2784	if ($who->flag (FLAG_WIZ)) {	3461	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	3462	$who->message ("reloading server.");
		3463	async {
		3464	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	3465	reload_perl;
		3466	};
2787	}	3467	}
2788	};	3468	};
2789		3469
2790	unshift @INC, $LIBDIR;	3470	unshift @INC, $LIBDIR;
2791		3471
…		…
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	3504	unless ++$bug_warning > 10;
2825	return;	3505	return;
2826	}	3506	}
2827		3507
2828	$NOW = Event::time;	3508	$NOW = $tick_start = Event::time;
2829		3509
2830	cf::server_tick; # one server iteration	3510	cf::server_tick; # one server iteration
2831		3511
2832	$RUNTIME += $TICK;	3512	$RUNTIME += $TICK;
2833	$NEXT_TICK += $TICK;	3513	$NEXT_TICK += $TICK;
2834		3514
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	3516	$NEXT_RUNTIME_WRITE = $NOW + 10;
2837	Coro::async_pool {	3517	Coro::async_pool {
		3518	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	3519	write_runtime
2839	or warn "ERROR: unable to write runtime file: $!";	3520	or warn "ERROR: unable to write runtime file: $!";
2840	};	3521	};
2841	}	3522	}
2842		3523
2843	# my $AFTER = Event::time;	3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2844	# warn $AFTER - $NOW;#d#	3525	$sig->send;
		3526	}
		3527	while (my $sig = shift @WAIT_FOR_TICK) {
		3528	$sig->send;
		3529	}
		3530
		3531	$NOW = Event::time;
2845		3532
2846	# if we are delayed by four ticks or more, skip them all	3533	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3534	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2848		3535
2849	$TICK_WATCHER->at ($NEXT_TICK);	3536	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;	3537	$TICK_WATCHER->start;
2851		3538
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3539	$LOAD = ($NOW - $tick_start) / $TICK;
2853	$sig->send;	3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2854	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;
2857	}
2858		3541
2859	_post_tick;	3542	_post_tick;
2860	},	3543	},
2861	);	3544	);
2862		3545
2863	{	3546	{
		3547	BDB::min_parallel 8;
2864	BDB::max_poll_time $TICK * 0.1;	3548	BDB::max_poll_time $TICK * 0.1;
2865	$BDB_POLL_WATCHER = Event->io (	3549	$BDB_POLL_WATCHER = Event->io (
2866	reentrant => 0,	3550	reentrant => 0,
2867	fd => BDB::poll_fileno,	3551	fd => BDB::poll_fileno,
2868	poll => 'r',	3552	poll => 'r',
2869	prio => 0,	3553	prio => 0,
2870	data => WF_AUTOCANCEL,	3554	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,	3555	cb => \&BDB::poll_cb,
2872	);	3556	);
2873	BDB::min_parallel 8;
2874		3557
2875	BDB::set_sync_prepare {	3558	BDB::set_sync_prepare {
2876	my $status;	3559	my $status;
2877	my $current = $Coro::current;	3560	my $current = $Coro::current;
2878	(	3561	(
…		…
2887	)	3570	)
2888	};	3571	};
2889		3572
2890	unless ($DB_ENV) {	3573	unless ($DB_ENV) {
2891	$DB_ENV = BDB::db_env_create;	3574	$DB_ENV = BDB::db_env_create;
		3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3576	| BDB::LOG_AUTOREMOVE, 1);
		3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892		3579
2893	cf::sync_job {	3580	cf::sync_job {
2894	eval {	3581	eval {
2895	BDB::db_env_open	3582	BDB::db_env_open
2896	$DB_ENV,	3583	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	3587	0666;
2901		3588
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3589	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905	$DB_ENV->set_lk_detect;
2906	};	3590	};
2907		3591
2908	cf::cleanup "db_env_open(db): $@" if $@;	3592	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	3593	};
2910	}	3594	}
		3595
		3596	$BDB_DEADLOCK_WATCHER = Event->timer (
		3597	after => 3,
		3598	interval => 1,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3607	after => 11,
		3608	interval => 60,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3614	},
		3615	);
		3616	$BDB_TRICKLE_WATCHER = Event->timer (
		3617	after => 5,
		3618	interval => 10,
		3619	hard => 1,
		3620	prio => 0,
		3621	data => WF_AUTOCANCEL,
		3622	cb => sub {
		3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3624	},
		3625	);
2911	}	3626	}
2912		3627
2913	{	3628	{
2914	IO::AIO::min_parallel 8;	3629	IO::AIO::min_parallel 8;
2915		3630
…		…
2918	$AIO_POLL_WATCHER = Event->io (	3633	$AIO_POLL_WATCHER = Event->io (
2919	reentrant => 0,	3634	reentrant => 0,
2920	data => WF_AUTOCANCEL,	3635	data => WF_AUTOCANCEL,
2921	fd => IO::AIO::poll_fileno,	3636	fd => IO::AIO::poll_fileno,
2922	poll => 'r',	3637	poll => 'r',
2923	prio => 6,	3638	prio => 0,
2924	cb => \&IO::AIO::poll_cb,	3639	cb => \&IO::AIO::poll_cb,
2925	);	3640	);
2926	}	3641	}
2927		3642
		3643	my $_log_backtrace;
		3644
2928	sub _log_backtrace {	3645	sub _log_backtrace {
2929	my ($msg, @addr) = @_;	3646	my ($msg, @addr) = @_;
2930		3647
		3648	$msg =~ s/\n//;
		3649
		3650	# limit the # of concurrent backtraces
		3651	if ($_log_backtrace < 2) {
		3652	++$_log_backtrace;
2931	async {	3653	async {
		3654	$Coro::current->{desc} = "abt $msg";
		3655
2932	my @bt = fork_call {	3656	my @bt = fork_call {
2933	@addr = map { sprintf "%x", $_ } @addr;	3657	@addr = map { sprintf "%x", $_ } @addr;
		3658	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2934	open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |"	3659	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2935	or die "addr2line: $!";	3660	or die "addr2line: $!";
2936		3661
2937	my @funcs;	3662	my @funcs;
2938	my @res = <$fh>;	3663	my @res = <$fh>;
2939	chomp for @res;	3664	chomp for @res;
2940	while (@res) {	3665	while (@res) {
2941	my ($func, $line) = splice @res, 0, 2, ();	3666	my ($func, $line) = splice @res, 0, 2, ();
2942	push @funcs, "[$func] $line";	3667	push @funcs, "[$func] $line";
		3668	}
		3669
		3670	@funcs
2943	}	3671	};
2944		3672
2945	@funcs	3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] $_\n" for @bt;
		3675	--$_log_backtrace;
2946	};	3676	};
2947		3677	} else {
2948	$msg =~ s/\n//;
2949
2950	LOG llevInfo, "[ABT] $msg\n";	3678	LOG llevInfo, "[ABT] $msg\n";
2951	LOG llevInfo, "[ABT] $_\n" for @bt;	3679	LOG llevInfo, "[ABT] [suppressed]\n";
2952	};	3680	}
2953	}	3681	}
2954		3682
2955	# load additional modules	3683	# load additional modules
2956	use cf::pod;	3684	use cf::pod;
2957		3685

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