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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.259 by root, Sat Apr 21 17:46:39 2007 UTC vs.
Revision 1.388 by root, Thu Oct 18 02:56:13 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) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
340	Coro::cede or Event::one_event;	452	Event::one_event;
341	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
342		462
343	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
344	} else {	464	} else {
345	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
346		466
…		…
366	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
367		487
368	$coro	488	$coro
369	}	489	}
370		490
371	sub write_runtime {	491	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		492
374	my $runtime = "$LOCALDIR/runtime";	493	Executes the given code block with the given arguments in a seperate
		494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
375		497
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
377	or return;
378		499
379	my $value = $cf::RUNTIME + 90 + 10;	500	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	501	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		502
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	# we seemingly have to make a local copy of the whole thing,
384	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
385		506
386	# always fsync - this file is important	507	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	508	reset_signals;
388	and return;	509	&$cb
		510	}, @args;
389		511
390	close $fh	512	wantarray ? @res : $res[-1]
391	or return;	513	}
392		514
393	aio_rename "$runtime~", $runtime	515	=item $value = cf::db_get $family => $key
394	and return;
395		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
396	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
397	}	640	}
398		641
399	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
400		643
401	Log a datalog packet of the given type with the given key-value pairs.	644	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
421		664
422	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	667	Crossfire TRT).
425		668
426	=over 4	669	=over 4
427		670
428	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
429		672
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
593		836
594	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		841
599	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	843	my $pkg = shift @arg;
601		844
602	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
632	}	875	}
633		876
634	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
635	} else {	878	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	880	}
638		881
639	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
640	}	883	}
641		884
…		…
643	if (ref $_[0]) {	886	if (ref $_[0]) {
644	_object_attach @_;	887	_object_attach @_;
645	} else {	888	} else {
646	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
647	}	890	}
		891	_recalc_want;
648	};	892	};
649		893
650	# all those should be optimised	894	# all those should be optimised
651	sub cf::attachable::detach {	895	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
656	reattach ($obj);	900	reattach ($obj);
657	} else {	901	} else {
658	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
659	}	903	}
		904	_recalc_want;
660	};	905	};
661		906
662	sub cf::attachable::attached {	907	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
664		909
…		…
679	";	924	";
680	die if $@;	925	die if $@;
681	}	926	}
682		927
683	our $override;	928	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		930
686	sub override {	931	sub override {
687	$override = 1;	932	$override = 1;
688	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
689	}	934	}
690		935
691	sub do_invoke {	936	sub do_invoke {
692	my $event = shift;	937	my $event = shift;
693	my $callbacks = shift;	938	my $callbacks = shift;
694		939
695	@invoke_results = ();	940	@INVOKE_RESULTS = ();
696		941
697	local $override;	942	local $override;
698		943
699	for (@$callbacks) {	944	for (@$callbacks) {
700	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
717		962
718	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
719		964
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		968
724	=back	969	=back
725		970
726	=cut	971	=cut
727		972
728	#############################################################################	973	#############################################################################
729	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
730		1017
731	sub reattach {	1018	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1020	my ($obj) = @_;
734		1021
…		…
781	sub object_freezer_save {	1068	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
783		1070
784	sync_job {	1071	sync_job {
785	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
788		1076
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1081	close $fh;
794		1082
795	if (@$objs) {	1083	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1089	close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
803	}	1091	}
…		…
811	}	1099	}
812	} else {	1100	} else {
813	aio_unlink $filename;	1101	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
815	}	1103	}
816	}	1104	};
817	}	1105	}
818		1106
819	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
821		1109
…		…
833	or return;	1121	or return;
834		1122
835	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
837	or return;	1125	or return;
		1126
838	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
839	}	1129	}
840		1130
		1131	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
843	return ($data, $av);	1135	($data, $av)
844	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
845		1143
846	#############################################################################	1144	#############################################################################
847	# command handling &c	1145	# command handling &c
848		1146
849	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1161	}
864		1162
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1164
867	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
868		1170
869	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
870	called.	1172	called.
871		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
872	=cut	1185	=cut
873		1186
874	sub register_extcmd {	1187	sub register_extcmd {
875	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
876		1189
877	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
878	}	1197	}
879		1198
880	cf::player->attach (	1199	cf::player->attach (
881	on_command => sub {	1200	on_command => sub {
882	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1210	cf::override;
892	},	1211	},
893	on_extcmd => sub {	1212	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
895		1214
896	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1216
898	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
904	} else {	1232	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1234	}
907		1235
908	cf::override;	1236	cf::override;
909	},	1237	},
910	);	1238	);
911		1239
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 {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
947	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1245	next unless -r $path;
949	eval {	1246
950	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
951	1	1304	}
952	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
953	}	1310	};
954	}	1311	}
955		1312
956	#############################################################################	1313	#############################################################################
957		1314
		1315	=back
		1316
958	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
959		1318
960	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
961		1320
962	=cut	1321	=cut
…		…
966	use Coro::AIO;	1325	use Coro::AIO;
967		1326
968	=head3 cf::player	1327	=head3 cf::player
969		1328
970	=over 4	1329	=over 4
		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
971		1344
972	=item cf::player::find $login	1345	=item cf::player::find $login
973		1346
974	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
975		1348
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1388
1016	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1019	}	1397	}
1020	}	1398	}
1021	}	1399	}
1022		1400
…		…
1032		1410
1033	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1035		1413
1036	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1037	Coro::cede;	1415	cf::cede_to_tick;
1038	}	1416	}
1039		1417
1040	sub new($) {	1418	sub new($) {
1041	my ($login) = @_;	1419	my ($login) = @_;
1042		1420
…		…
1046	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1047		1425
1048	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1049		1427
1050	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1051	}	1439	}
1052		1440
1053	=item $pl->quit_character	1441	=item $pl->quit_character
1054		1442
1055	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1498	or return [];
1111		1499
1112	my @logins;	1500	my @logins;
1113		1501
1114	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1118		1511
1119	utf8::decode $login;	1512	utf8::decode $login;
1120	push @logins, $login;	1513	push @logins, $login;
1121	}	1514	}
1122		1515
…		…
1149	}	1542	}
1150		1543
1151	\@paths	1544	\@paths
1152	}	1545	}
1153		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1154	=item $player->ext_reply ($msgid, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1155		1599
1156	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1157		1601
1158	=cut	1602	=cut
1159		1603
1160	sub ext_reply($$%) {	1604	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1162		1606
1163	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1608	}
1167		1609
1168	=item $player->ext_event ($type, %msg)	1610	=item $player->ext_msg ($type, @msg)
1169		1611
1170	Sends an ext event to the client.	1612	Sends an ext event to the client.
1171		1613
1172	=cut	1614	=cut
1173		1615
1174	sub ext_event($$%) {	1616	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1617	my ($self, $type, @msg) = @_;
1176		1618
1177	$self->ns->ext_event ($type, %msg);	1619	$self->ns->ext_msg ($type, @msg);
1178	}	1620	}
1179		1621
1180	=head3 cf::region	1622	=head3 cf::region
1181		1623
1182	=over 4	1624	=over 4
…		…
1185		1627
1186	package cf::region;	1628	package cf::region;
1187		1629
1188	=item cf::region::find_by_path $path	1630	=item cf::region::find_by_path $path
1189		1631
1190	Tries to decuce the probable region for a map knowing only its path.	1632	Tries to decuce the likely region for a map knowing only its path.
1191		1633
1192	=cut	1634	=cut
1193		1635
1194	sub find_by_path($) {	1636	sub find_by_path($) {
1195	my ($path) = @_;	1637	my ($path) = @_;
1196		1638
1197	my ($match, $specificity);	1639	my ($match, $specificity);
1198		1640
1199	for my $region (list) {	1641	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1642	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1643	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1644	if $region->specificity > $specificity;
1203	}	1645	}
1204	}	1646	}
1205		1647
…		…
1269	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1270		1712
1271	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1272	local $self->{path};	1714	local $self->{path};
1273	local $self->{load_path};	1715	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1716
1277	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1278	}	1718	}
1279		1719
1280	sub normalise {	1720	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1328	return $self;	1768	return $self;
1329	}	1769	}
1330	}	1770	}
1331		1771
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1773	()
1334	}	1774	}
1335		1775
1336	sub init {	1776	sub init {
1337	my ($self) = @_;	1777	my ($self) = @_;
…		…
1380		1820
1381	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1383	}	1823	}
1384		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1385	sub unlink_save {	1833	sub unlink_save {
1386	my ($self) = @_;	1834	my ($self) = @_;
1387		1835
1388	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1840
1393	sub load_header_from($) {	1841	sub load_header_from($) {
1394	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1395		1843
1396	utf8::encode $path;	1844	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1402		1853
1403	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1404		1855
1405	1	1856	1
1406	}	1857	}
…		…
1445	$self->load_header_orig	1896	$self->load_header_orig
1446	or return;	1897	or return;
1447	$self->prepare_orig;	1898	$self->prepare_orig;
1448	}	1899	}
1449		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
1450	$self->default_region (cf::region::find_by_path $self->{path})	1904	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1905	unless $self->default_region;
1452		1906
1453	1	1907	1
1454	}	1908	}
…		…
1457	sub find {	1911	sub find {
1458	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1459		1913
1460	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1461		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1463		1918
1464	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1466	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1467	or return;	1924	or return;
1468		1925
1469	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1470		1927
1471	$map->load_header	1928	$map->load_header
1472	or return;	1929	or return;
1473		1930
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1477	$map->reset;	1936	$map->reset;
1478	undef $guard;
1479	return find $path;	1937	return find $path;
1480	}	1938	}
1481		1939
1482	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1483	}	1941	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1493		1951
1494	my $path = $self->{path};	1952	my $path = $self->{path};
1495		1953
1496	{	1954	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1498		1956
		1957	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1959
1501	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1502		1961
1503	$self->alloc;	1962	$self->alloc;
1504		1963
1505	$self->pre_load;	1964	$self->pre_load;
1506	Coro::cede;	1965	cf::cede_to_tick;
1507		1966
		1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1969	$self->_load_objects ($f)
1509	or return;	1970	or return;
1510		1971
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1973	if delete $self->{load_original};
1513		1974
1514	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1976	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1979	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1519	}	1983	}
1520	}	1984	}
1521		1985
1522	Coro::cede;	1986	$f->resolve_delayed_derefs;
		1987
		1988	cf::cede_to_tick;
1523	# now do the right thing for maps	1989	# now do the right thing for maps
1524	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1992	unless $self->difficulty;
1527	Coro::cede;	1993	cf::cede_to_tick;
1528		1994
1529	unless ($self->{deny_activate}) {	1995	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1996	$self->decay_objects;
1531	$self->fix_auto_apply;	1997	$self->fix_auto_apply;
1532	$self->update_buttons;	1998	$self->update_buttons;
1533	Coro::cede;	1999	cf::cede_to_tick;
1534	$self->set_darkness_map;	2000	$self->set_darkness_map;
1535	Coro::cede;	2001	cf::cede_to_tick;
1536	$self->activate;	2002	$self->activate;
1537	}	2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
1538		2007
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
1540	}	2009	}
1541		2010
1542	$self->post_load;	2011	$self->post_load;
…		…
1546	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1547		2016
1548	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2018	if $self->per_player;
1550		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1551	$self	2023	$self
1552	}	2024	}
1553		2025
1554	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2027	sub load_neighbours {
1556	my ($map) = @_;	2028	my ($map) = @_;
1557		2029
1558	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1559		2031
1560	for (0 .. 3) {	2032	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1562	or next;	2034	or next;
1563	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1564	or next;	2036	or next;
1565	$neigh->load;	2037	$neigh->load;
1566		2038
		2039	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2042	}
1570		2043
1571	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1573	or next;	2047	or next;
1574	$neigh->load;	2048	$neigh->load;
1575	}	2049	}
1576	}	2050	}
1577		2051
…		…
1582	}	2056	}
1583		2057
1584	sub do_load_sync {	2058	sub do_load_sync {
1585	my ($map) = @_;	2059	my ($map) = @_;
1586		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1587	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1588	}	2065	}
1589		2066
1590	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1592		2069
1593	sub find_async {	2070	sub find_async {
1594	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1595		2072
1596	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1597		2074
1598	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1600	}	2077	}
1601		2078
1602	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1603	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1604	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2086	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2087	$map->load if $v;
		2088	}
1609		2089
1610	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1611	}	2091	}
1612	}	2092	}
1613	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1614	};	2094	};
1615	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2098	}
1619		2099
1620	sub save {	2100	sub save {
1621	my ($self) = @_;	2101	my ($self) = @_;
1622		2102
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2104
1625	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1626		2106
1627	return unless $self->dirty;	2107	return unless $self->dirty;
1628		2108
…		…
1634	return if $self->{deny_save};	2114	return if $self->{deny_save};
1635		2115
1636	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1637		2117
1638	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1640	};	2121	};
1641		2122
1642	if ($uniq) {	2123	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1651	my ($self) = @_;	2132	my ($self) = @_;
1652		2133
1653	# save first because save cedes	2134	# save first because save cedes
1654	$self->save;	2135	$self->save;
1655		2136
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2138
1658	return if $self->players;	2139	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};	2141	return if $self->{deny_save};
1661		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2147	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2148	}
1665		2149
1666	sub reset_at {	2150	sub reset_at {
1667	my ($self) = @_;	2151	my ($self) = @_;
1668		2152
1669	# TODO: safety, remove and allow resettable per-player maps	2153	# 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};	2154	return 1e99 if $self->{deny_reset};
1672		2155
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2158
…		…
1686	my ($self) = @_;	2169	my ($self) = @_;
1687		2170
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2172
1690	return if $self->players;	2173	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2174
1693	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
1694		2176
1695	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1696		2178
1697	# need to save uniques path	2179	# need to save uniques path
1698	unless ($self->{deny_save}) {	2180	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2184	if $uniq;
1703	}	2185	}
1704		2186
1705	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1706		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2191	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2192
1711	$self->unlink_save;	2193	$self->unlink_save;
1712	$self->destroy;	2194	$self->destroy;
1713	}	2195	}
1714		2196
1715	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1716		2198
1717	sub nuke {	2199	sub nuke {
1718	my ($self) = @_;	2200	my ($self) = @_;
1719		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1720	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1721		2206
1722	$self->unlink_save;	2207	$self->unlink_save;
1723		2208
1724	bless $self, "cf::map";	2209	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2214
1730	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1731		2217
1732	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1733	}	2255	}
1734		2256
1735	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1736		2258
1737	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2260	instantiated unique items. May block.
1739		2261
1740	=cut	2262	=cut
1741		2263
1742	sub unique_maps() {	2264	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2265	[
1744	or return;	2266	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2267	utf8::decode $_;
1750	next if /\.pst$/;	2268	/\.map$/
1751	next unless /^$PATH_SEP/o;	2269	? normalise $_
1752		2270	: ()
1753	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2272	]
1755
1756	\@paths
1757	}	2273	}
1758		2274
1759	package cf;	2275	package cf;
1760		2276
1761	=back	2277	=back
…		…
1779	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1780	}	2296	}
1781		2297
1782	sub inv_recursive {	2298	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1784	}	2328	}
1785		2329
1786	package cf;	2330	package cf;
1787		2331
1788	=back	2332	=back
…		…
1807		2351
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2353
1810	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1812	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1815	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1816	}	2379	}
1817		2380
1818	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1819		2382
1820	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1867	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1868		2431
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2433
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1873		2436
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1875	}	2438	}
1876		2439
1877	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1879		2444
1880	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1881		2446
1882	unless ($map) {	2447	unless ($map) {
1883	# restore original map position	2448	# restore original map position
…		…
1897	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1900		2465
1901	$map->load;	2466	$map->load;
1902	$map->load_diag;	2467	$map->load_neighbours;
1903		2468
1904	return unless $self->contr->active;	2469	return unless $self->contr->active;
1905	$self->activate_recursive;	2470	$self->activate_recursive;
1906		2471
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1909	}	2474	}
1910		2475
1911	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912	on_logout => sub {
1913	my ($pl) = @_;
1914		2477
1915	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1916	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1917	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1918	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1919	};	2482	be called at the end of this process.
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2483
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	2484	=cut
		2485
		2486	our $GOTOGEN;
1946		2487
1947	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2493
1950	$self->enter_link;	2494	$self->enter_link;
1951		2495
1952	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1953	my $map = eval {	2518	my $map = eval {
1954	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1956	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2534	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1961	})->prio (1);	2542	})->prio (1);
1962	}	2543	}
1963		2544
1964	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1965		2546
…		…
2034	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
2036		2617
2037	$self->enter_link;	2618	$self->enter_link;
2038		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
2039	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
2040	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
2041	unless (eval {	2628	unless (eval {
2042	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
2043		2630
2044	1;	2631	1;
…		…
2070		2657
2071	utf8::encode $text;	2658	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2660	}
2074		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/lookat" => {
		2685	id => "infobox",
		2686	title => "Look",
		2687	reply => undef,
		2688	tooltip => "What you saw there",
		2689	},
		2690	);
		2691
		2692	sub cf::client::send_msg {
		2693	my ($self, $channel, $msg, $color, @extra) = @_;
		2694
		2695	$msg = $self->pl->expand_cfpod ($msg);
		2696
		2697	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2698
		2699	# check predefined channels, for the benefit of C
		2700	if ($CHANNEL{$channel}) {
		2701	$channel = $CHANNEL{$channel};
		2702
		2703	$self->ext_msg (channel_info => $channel)
		2704	if $self->can_msg;
		2705
		2706	$channel = $channel->{id};
		2707
		2708	} elsif (ref $channel) {
		2709	# send meta info to client, if not yet sent
		2710	unless (exists $self->{channel}{$channel->{id}}) {
		2711	$self->{channel}{$channel->{id}} = $channel;
		2712	$self->ext_msg (channel_info => $channel)
		2713	if $self->can_msg;
		2714	}
		2715
		2716	$channel = $channel->{id};
		2717	}
		2718
		2719	return unless @extra || length $msg;
		2720
		2721	if ($self->can_msg) {
		2722	# default colour, mask it out
		2723	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2724	if $color & cf::NDI_DEF;
		2725
		2726	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2727	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2728	} else {
		2729	if ($color >= 0) {
		2730	# replace some tags by gcfclient-compatible ones
		2731	for ($msg) {
		2732	1 while
		2733	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2734	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2735	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2736	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2737	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2738	}
		2739
		2740	$color &= cf::NDI_COLOR_MASK;
		2741
		2742	utf8::encode $msg;
		2743
		2744	if (0 && $msg =~ /\[/) {
		2745	# COMMAND/INFO
		2746	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2747	} else {
		2748	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2749	$self->send_packet ("drawinfo $color $msg")
		2750	}
		2751	}
		2752	}
		2753	}
		2754
2075	=item $client->ext_event ($type, %msg)	2755	=item $client->ext_msg ($type, @msg)
2076		2756
2077	Sends an exti event to the client.	2757	Sends an ext event to the client.
2078		2758
2079	=cut	2759	=cut
2080		2760
2081	sub cf::client::ext_event($$%) {	2761	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	2762	my ($self, $type, @msg) = @_;
2083		2763
		2764	if ($self->extcmd == 2) {
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2766	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	2767	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	2768	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2769	}
		2770	}
		2771
		2772	=item $client->ext_reply ($msgid, @msg)
		2773
		2774	Sends an ext reply to the client.
		2775
		2776	=cut
		2777
		2778	sub cf::client::ext_reply($$@) {
		2779	my ($self, $id, @msg) = @_;
		2780
		2781	if ($self->extcmd == 2) {
		2782	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2783	} elsif ($self->extcmd == 1) {
		2784	#TODO: version 1, remove
		2785	unshift @msg, msgtype => "reply", msgid => $id;
		2786	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2787	}
2086	}	2788	}
2087		2789
2088	=item $success = $client->query ($flags, "text", \&cb)	2790	=item $success = $client->query ($flags, "text", \&cb)
2089		2791
2090	Queues a query to the client, calling the given callback with	2792	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>,	2793	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>.	2794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		2795
2094	Queries can fail, so check the return code. Or don't, as queries will become	2796	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	2797	become reliable at some point in the future.
2096		2798
2097	=cut	2799	=cut
2098		2800
2099	sub cf::client::query {	2801	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	2802	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	2810	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		2812
2111	$self->send_packet ($self->{query_queue}[0][0])	2813	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	2814	if @{ $self->{query_queue} } == 1;
		2815
		2816	1
2113	}	2817	}
2114		2818
2115	cf::client->attach (	2819	cf::client->attach (
		2820	on_connect => sub {
		2821	my ($ns) = @_;
		2822
		2823	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2824	},
2116	on_reply => sub {	2825	on_reply => sub {
2117	my ($ns, $msg) = @_;	2826	my ($ns, $msg) = @_;
2118		2827
2119	# this weird shuffling is so that direct followup queries	2828	# this weird shuffling is so that direct followup queries
2120	# get handled first	2829	# get handled first
…		…
2132	} else {	2841	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2842	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	2843	}
2135	}	2844	}
2136	},	2845	},
		2846	on_exticmd => sub {
		2847	my ($ns, $buf) = @_;
		2848
		2849	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2850
		2851	if (ref $msg) {
		2852	my ($type, $reply, @payload) =
		2853	"ARRAY" eq ref $msg
		2854	? @$msg
		2855	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2856
		2857	my @reply;
		2858
		2859	if (my $cb = $EXTICMD{$type}) {
		2860	@reply = $cb->($ns, @payload);
		2861	}
		2862
		2863	$ns->ext_reply ($reply, @reply)
		2864	if $reply;
		2865
		2866	} else {
		2867	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2868	}
		2869
		2870	cf::override;
		2871	},
2137	);	2872	);
2138		2873
2139	=item $client->async (\&cb)	2874	=item $client->async (\&cb)
2140		2875
2141	Create a new coroutine, running the specified callback. The coroutine will	2876	Create a new coroutine, running the specified callback. The coroutine will
…		…
2182	our $safe = new Safe "safe";	2917	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	2918	our $safe_hole = new Safe::Hole;
2184		2919
2185	$SIG{FPE} = 'IGNORE';	2920	$SIG{FPE} = 'IGNORE';
2186		2921
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2922	$safe->permit_only (Opcode::opset qw(
		2923	:base_core :base_mem :base_orig :base_math
		2924	grepstart grepwhile mapstart mapwhile
		2925	sort time
		2926	));
2188		2927
2189	# here we export the classes and methods available to script code	2928	# here we export the classes and methods available to script code
2190		2929
2191	=pod	2930	=pod
2192		2931
2193	The following functions and methods are available within a safe environment:	2932	The following functions and methods are available within a safe environment:
2194		2933
2195	cf::object contr pay_amount pay_player map	2934	cf::object
		2935	contr pay_amount pay_player map x y force_find force_add destroy
		2936	insert remove name archname title slaying race decrease_ob_nr
		2937
2196	cf::object::player player	2938	cf::object::player
2197	cf::player peaceful	2939	player
2198	cf::map trigger	2940
		2941	cf::player
		2942	peaceful
		2943
		2944	cf::map
		2945	trigger
2199		2946
2200	=cut	2947	=cut
2201		2948
2202	for (	2949	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	2950	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2951	insert remove inv name archname title slaying race
		2952	decrease_ob_nr destroy)],
2204	["cf::object::player" => qw(player)],	2953	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	2954	["cf::player" => qw(peaceful)],
2206	["cf::map" => qw(trigger)],	2955	["cf::map" => qw(trigger)],
2207	) {	2956	) {
2208	no strict 'refs';	2957	no strict 'refs';
…		…
2279	=back	3028	=back
2280		3029
2281	=cut	3030	=cut
2282		3031
2283	#############################################################################	3032	#############################################################################
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 $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455
2456	#############################################################################
2457	# the server's init and main functions	3033	# the server's init and main functions
2458		3034
2459	sub load_facedata($) {	3035	sub load_facedata($) {
2460	my ($path) = @_;	3036	my ($path) = @_;
		3037
		3038	# HACK to clear player env face cache, we need some signal framework
		3039	# for this (global event?)
		3040	%ext::player_env::MUSIC_FACE_CACHE = ();
		3041
		3042	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461		3043
2462	warn "loading facedata from $path\n";	3044	warn "loading facedata from $path\n";
2463		3045
2464	my $facedata;	3046	my $facedata;
2465	0 < aio_load $path, $facedata	3047	0 < aio_load $path, $facedata
…		…
2468	$facedata = Coro::Storable::thaw $facedata;	3050	$facedata = Coro::Storable::thaw $facedata;
2469		3051
2470	$facedata->{version} == 2	3052	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3053	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		3054
		3055	# patch in the exptable
		3056	$facedata->{resource}{"res/exp_table"} = {
		3057	type => FT_RSRC,
		3058	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3059	};
		3060	cf::cede_to_tick;
		3061
2473	{	3062	{
2474	my $faces = $facedata->{faceinfo};	3063	my $faces = $facedata->{faceinfo};
2475		3064
2476	while (my ($face, $info) = each %$faces) {	3065	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3066	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3067	cf::face::set_visibility $idx, $info->{visibility};
		3068	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3069	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3070	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2481	Coro::cede;	3071
		3072	cf::cede_to_tick;
2482	}	3073	}
2483		3074
2484	while (my ($face, $info) = each %$faces) {	3075	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3076	next unless $info->{smooth};
2486	my $idx = cf::face::find $face	3077	my $idx = cf::face::find $face
2487	or next;	3078	or next;
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3079	if (my $smooth = cf::face::find $info->{smooth}) {
		3080	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3081	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3082	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3083	warn "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3084	}
2493	Coro::cede;	3085
		3086	cf::cede_to_tick;
2494	}	3087	}
2495	}	3088	}
2496		3089
2497	{	3090	{
2498	my $anims = $facedata->{animinfo};	3091	my $anims = $facedata->{animinfo};
2499		3092
2500	while (my ($anim, $info) = each %$anims) {	3093	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3094	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3095	cf::cede_to_tick;
2503	}	3096	}
2504		3097
2505	cf::anim::invalidate_all; # d'oh	3098	cf::anim::invalidate_all; # d'oh
2506	}	3099	}
2507		3100
		3101	{
		3102	# TODO: for gcfclient pleasure, we should give resources
		3103	# that gcfclient doesn't grok a >10000 face index.
		3104	my $res = $facedata->{resource};
		3105
		3106	my $soundconf = delete $res->{"res/sound.conf"};
		3107
		3108	while (my ($name, $info) = each %$res) {
		3109	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3110	my $data;
		3111
		3112	if ($info->{type} & 1) {
		3113	# prepend meta info
		3114
		3115	my $meta = $enc->encode ({
		3116	name => $name,
		3117	%{ $info->{meta} || {} },
		3118	});
		3119
		3120	$data = pack "(w/a*)*", $meta, $info->{data};
		3121	} else {
		3122	$data = $info->{data};
		3123	}
		3124
		3125	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3126	cf::face::set_type $idx, $info->{type};
		3127
		3128	cf::cede_to_tick;
		3129	}
		3130
		3131	if ($soundconf) {
		3132	$soundconf = $enc->decode (delete $soundconf->{data});
		3133
		3134	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3135	my $sound = $soundconf->{compat}[$_]
		3136	or next;
		3137
		3138	my $face = cf::face::find "sound/$sound->[1]";
		3139	cf::sound::set $sound->[0] => $face;
		3140	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3141	}
		3142
		3143	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3144	my $face = cf::face::find "sound/$v";
		3145	cf::sound::set $k => $face;
		3146	}
		3147	}
		3148	}
		3149
2508	1	3150	1
2509	}	3151	}
2510		3152
		3153	register_exticmd fx_want => sub {
		3154	my ($ns, $want) = @_;
		3155
		3156	while (my ($k, $v) = each %$want) {
		3157	$ns->fx_want ($k, $v);
		3158	}
		3159	};
		3160
2511	sub reload_regions {	3161	sub reload_regions {
		3162	# HACK to clear player env face cache, we need some signal framework
		3163	# for this (global event?)
		3164	%ext::player_env::MUSIC_FACE_CACHE = ();
		3165
2512	load_resource_file "$MAPDIR/regions"	3166	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3167	or die "unable to load regions file\n";
		3168
		3169	for (cf::region::list) {
		3170	$_->{match} = qr/$_->{match}/
		3171	if exists $_->{match};
		3172	}
2514	}	3173	}
2515		3174
2516	sub reload_facedata {	3175	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3176	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3177	or die "unable to load facedata\n";
2519	}	3178	}
2520		3179
2521	sub reload_archetypes {	3180	sub reload_archetypes {
2522	load_resource_file "$DATADIR/archetypes"	3181	load_resource_file "$DATADIR/archetypes"
2523	or die "unable to load archetypes\n";	3182	or die "unable to load archetypes\n";
		3183	#d# NEED to laod twice to resolve forward references
		3184	# this really needs to be done in an extra post-pass
		3185	# (which needs to be synchronous, so solve it differently)
		3186	load_resource_file "$DATADIR/archetypes"
		3187	or die "unable to load archetypes\n";
2524	}	3188	}
2525		3189
2526	sub reload_treasures {	3190	sub reload_treasures {
2527	load_resource_file "$DATADIR/treasures"	3191	load_resource_file "$DATADIR/treasures"
2528	or die "unable to load treasurelists\n";	3192	or die "unable to load treasurelists\n";
…		…
2531	sub reload_resources {	3195	sub reload_resources {
2532	warn "reloading resource files...\n";	3196	warn "reloading resource files...\n";
2533		3197
2534	reload_regions;	3198	reload_regions;
2535	reload_facedata;	3199	reload_facedata;
		3200	#reload_archetypes;#d#
2536	reload_archetypes;	3201	reload_archetypes;
2537	reload_treasures;	3202	reload_treasures;
2538		3203
2539	warn "finished reloading resource files\n";	3204	warn "finished reloading resource files\n";
2540	}	3205	}
2541		3206
2542	sub init {	3207	sub init {
2543	reload_resources;	3208	reload_resources;
2544	}	3209	}
2545		3210
2546	sub cfg_load {	3211	sub reload_config {
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3212	open my $fh, "<:utf8", "$CONFDIR/config"
2548	or return;	3213	or return;
2549		3214
2550	local $/;	3215	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;	3216	*CFG = YAML::Syck::Load <$fh>;
…		…
2567	sub main {	3232	sub main {
2568	# we must not ever block the main coroutine	3233	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3234	local $Coro::idle = sub {
2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571	(async {	3236	(async {
		3237	$Coro::current->{desc} = "IDLE BUG HANDLER";
2572	Event::one_event;	3238	Event::one_event;
2573	})->prio (Coro::PRIO_MAX);	3239	})->prio (Coro::PRIO_MAX);
2574	};	3240	};
2575		3241
2576	cfg_load;	3242	reload_config;
2577	db_init;	3243	db_init;
2578	load_extensions;	3244	load_extensions;
2579		3245
2580	$TICK_WATCHER->start;	3246	$TICK_WATCHER->start;
2581	Event::loop;	3247	Event::loop;
…		…
2597	},	3263	},
2598	);	3264	);
2599	}	3265	}
2600	}	3266	}
2601		3267
		3268	sub write_runtime {
		3269	my $runtime = "$LOCALDIR/runtime";
		3270
		3271	# first touch the runtime file to show we are still running:
		3272	# the fsync below can take a very very long time.
		3273
		3274	IO::AIO::aio_utime $runtime, undef, undef;
		3275
		3276	my $guard = cf::lock_acquire "write_runtime";
		3277
		3278	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3279	or return;
		3280
		3281	my $value = $cf::RUNTIME + 90 + 10;
		3282	# 10 is the runtime save interval, for a monotonic clock
		3283	# 60 allows for the watchdog to kill the server.
		3284
		3285	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3286	and return;
		3287
		3288	# always fsync - this file is important
		3289	aio_fsync $fh
		3290	and return;
		3291
		3292	# touch it again to show we are up-to-date
		3293	aio_utime $fh, undef, undef;
		3294
		3295	close $fh
		3296	or return;
		3297
		3298	aio_rename "$runtime~", $runtime
		3299	and return;
		3300
		3301	warn "runtime file written.\n";
		3302
		3303	1
		3304	}
		3305
2602	sub emergency_save() {	3306	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3307	my $freeze_guard = cf::freeze_mainloop;
2604		3308
2605	warn "enter emergency perl save\n";	3309	warn "enter emergency perl save\n";
2606		3310
…		…
2610	# and maps saved/destroyed asynchronously.	3314	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3315	warn "begin emergency player save\n";
2612	for my $login (keys %cf::PLAYER) {	3316	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3317	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3318	$pl->valid or next;
		3319	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3320	$pl->save;
2616	}	3321	}
2617	warn "end emergency player save\n";	3322	warn "end emergency player save\n";
2618		3323
2619	warn "begin emergency map save\n";	3324	warn "begin emergency map save\n";
…		…
2667		3372
2668	warn "flushing outstanding aio requests";	3373	warn "flushing outstanding aio requests";
2669	for (;;) {	3374	for (;;) {
2670	BDB::flush;	3375	BDB::flush;
2671	IO::AIO::flush;	3376	IO::AIO::flush;
2672	Coro::cede;	3377	Coro::cede_notself;
2673	last unless IO::AIO::nreqs || BDB::nreqs;	3378	last unless IO::AIO::nreqs || BDB::nreqs;
2674	warn "iterate...";	3379	warn "iterate...";
2675	}	3380	}
2676		3381
2677	++$RELOAD;	3382	++$RELOAD;
…		…
2681	%EXT_CORO = ();	3386	%EXT_CORO = ();
2682		3387
2683	warn "removing commands";	3388	warn "removing commands";
2684	%COMMAND = ();	3389	%COMMAND = ();
2685		3390
2686	warn "removing ext commands";	3391	warn "removing ext/exti commands";
2687	%EXTCMD = ();	3392	%EXTCMD = ();
		3393	%EXTICMD = ();
2688		3394
2689	warn "unloading/nuking all extensions";	3395	warn "unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {	3396	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";	3397	warn "... unloading $pkg";
2692		3398
…		…
2735	warn "reloading cf.pm";	3441	warn "reloading cf.pm";
2736	require cf;	3442	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3443	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2738		3444
2739	warn "loading config and database again";	3445	warn "loading config and database again";
2740	cf::cfg_load;	3446	cf::reload_config;
2741		3447
2742	warn "loading extensions";	3448	warn "loading extensions";
2743	cf::load_extensions;	3449	cf::load_extensions;
2744		3450
2745	warn "reattaching attachments to objects/players";	3451	warn "reattaching attachments to objects/players";
…		…
2781	register_command "reload" => sub {	3487	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	3488	my ($who, $arg) = @_;
2783		3489
2784	if ($who->flag (FLAG_WIZ)) {	3490	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	3491	$who->message ("reloading server.");
		3492	async {
		3493	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	3494	reload_perl;
		3495	};
2787	}	3496	}
2788	};	3497	};
2789		3498
2790	unshift @INC, $LIBDIR;	3499	unshift @INC, $LIBDIR;
2791		3500
…		…
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3532	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	3533	unless ++$bug_warning > 10;
2825	return;	3534	return;
2826	}	3535	}
2827		3536
2828	$NOW = Event::time;	3537	$NOW = $tick_start = Event::time;
2829		3538
2830	cf::server_tick; # one server iteration	3539	cf::server_tick; # one server iteration
2831		3540
2832	$RUNTIME += $TICK;	3541	$RUNTIME += $TICK;
2833	$NEXT_TICK += $TICK;	3542	$NEXT_TICK += $TICK;
2834		3543
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	3545	$NEXT_RUNTIME_WRITE = $NOW + 10;
2837	Coro::async_pool {	3546	Coro::async_pool {
		3547	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	3548	write_runtime
2839	or warn "ERROR: unable to write runtime file: $!";	3549	or warn "ERROR: unable to write runtime file: $!";
2840	};	3550	};
2841	}	3551	}
2842		3552
2843	# my $AFTER = Event::time;	3553	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2844	# warn $AFTER - $NOW;#d#	3554	$sig->send;
		3555	}
		3556	while (my $sig = shift @WAIT_FOR_TICK) {
		3557	$sig->send;
		3558	}
		3559
		3560	$NOW = Event::time;
2845		3561
2846	# if we are delayed by four ticks or more, skip them all	3562	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3563	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2848		3564
2849	$TICK_WATCHER->at ($NEXT_TICK);	3565	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;	3566	$TICK_WATCHER->start;
2851		3567
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3568	$LOAD = ($NOW - $tick_start) / $TICK;
2853	$sig->send;	3569	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2854	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;
2857	}
2858		3570
2859	_post_tick;	3571	_post_tick;
2860	},	3572	},
2861	);	3573	);
2862		3574
2863	{	3575	{
		3576	BDB::min_parallel 8;
2864	BDB::max_poll_time $TICK * 0.1;	3577	BDB::max_poll_time $TICK * 0.1;
2865	$BDB_POLL_WATCHER = Event->io (	3578	$BDB_POLL_WATCHER = Event->io (
2866	reentrant => 0,	3579	reentrant => 0,
2867	fd => BDB::poll_fileno,	3580	fd => BDB::poll_fileno,
2868	poll => 'r',	3581	poll => 'r',
2869	prio => 0,	3582	prio => 0,
2870	data => WF_AUTOCANCEL,	3583	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,	3584	cb => \&BDB::poll_cb,
2872	);	3585	);
2873	BDB::min_parallel 8;
2874		3586
2875	BDB::set_sync_prepare {	3587	BDB::set_sync_prepare {
2876	my $status;	3588	my $status;
2877	my $current = $Coro::current;	3589	my $current = $Coro::current;
2878	(	3590	(
…		…
2887	)	3599	)
2888	};	3600	};
2889		3601
2890	unless ($DB_ENV) {	3602	unless ($DB_ENV) {
2891	$DB_ENV = BDB::db_env_create;	3603	$DB_ENV = BDB::db_env_create;
		3604	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3605	| BDB::LOG_AUTOREMOVE, 1);
		3606	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3607	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892		3608
2893	cf::sync_job {	3609	cf::sync_job {
2894	eval {	3610	eval {
2895	BDB::db_env_open	3611	BDB::db_env_open
2896	$DB_ENV,	3612	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3614	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3615	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	3616	0666;
2901		3617
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3618	cf::cleanup "db_env_open($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	};	3619	};
2907		3620
2908	cf::cleanup "db_env_open(db): $@" if $@;	3621	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	3622	};
2910	}	3623	}
		3624
		3625	$BDB_DEADLOCK_WATCHER = Event->timer (
		3626	after => 3,
		3627	interval => 1,
		3628	hard => 1,
		3629	prio => 0,
		3630	data => WF_AUTOCANCEL,
		3631	cb => sub {
		3632	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3633	},
		3634	);
		3635	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3636	after => 11,
		3637	interval => 60,
		3638	hard => 1,
		3639	prio => 0,
		3640	data => WF_AUTOCANCEL,
		3641	cb => sub {
		3642	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3643	},
		3644	);
		3645	$BDB_TRICKLE_WATCHER = Event->timer (
		3646	after => 5,
		3647	interval => 10,
		3648	hard => 1,
		3649	prio => 0,
		3650	data => WF_AUTOCANCEL,
		3651	cb => sub {
		3652	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3653	},
		3654	);
2911	}	3655	}
2912		3656
2913	{	3657	{
2914	IO::AIO::min_parallel 8;	3658	IO::AIO::min_parallel 8;
2915		3659
…		…
2918	$AIO_POLL_WATCHER = Event->io (	3662	$AIO_POLL_WATCHER = Event->io (
2919	reentrant => 0,	3663	reentrant => 0,
2920	data => WF_AUTOCANCEL,	3664	data => WF_AUTOCANCEL,
2921	fd => IO::AIO::poll_fileno,	3665	fd => IO::AIO::poll_fileno,
2922	poll => 'r',	3666	poll => 'r',
2923	prio => 6,	3667	prio => 0,
2924	cb => \&IO::AIO::poll_cb,	3668	cb => \&IO::AIO::poll_cb,
2925	);	3669	);
2926	}	3670	}
2927		3671
		3672	my $_log_backtrace;
		3673
		3674	sub _log_backtrace {
		3675	my ($msg, @addr) = @_;
		3676
		3677	$msg =~ s/\n//;
		3678
		3679	# limit the # of concurrent backtraces
		3680	if ($_log_backtrace < 2) {
		3681	++$_log_backtrace;
		3682	async {
		3683	$Coro::current->{desc} = "abt $msg";
		3684
		3685	my @bt = fork_call {
		3686	@addr = map { sprintf "%x", $_ } @addr;
		3687	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3688	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3689	or die "addr2line: $!";
		3690
		3691	my @funcs;
		3692	my @res = <$fh>;
		3693	chomp for @res;
		3694	while (@res) {
		3695	my ($func, $line) = splice @res, 0, 2, ();
		3696	push @funcs, "[$func] $line";
		3697	}
		3698
		3699	@funcs
		3700	};
		3701
		3702	LOG llevInfo, "[ABT] $msg\n";
		3703	LOG llevInfo, "[ABT] $_\n" for @bt;
		3704	--$_log_backtrace;
		3705	};
		3706	} else {
		3707	LOG llevInfo, "[ABT] $msg\n";
		3708	LOG llevInfo, "[ABT] [suppressed]\n";
		3709	}
		3710	}
		3711
2928	# load additional modules	3712	# load additional modules
2929	use cf::pod;	3713	use cf::pod;
2930		3714
2931	END { cf::emergency_save }	3715	END { cf::emergency_save }
2932		3716

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