ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.383 by root, Thu Oct 11 21:09:29 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
94		105
95	binmode STDOUT;	106	binmode STDOUT;
96	binmode STDERR;	107	binmode STDERR;
97		108
98	# read virtual server time, if available	109	# read virtual server time, if available
…		…
139		150
140	=item $cf::TICK	151	=item $cf::TICK
141		152
142	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
143		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
144	=item %cf::CFG	165	=item %cf::CFG
145		166
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	168	from wherever your confdir points to.
148		169
…		…
150		171
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
155	=back	182	=back
156		183
157	=cut	184	=cut
158		185
159	BEGIN {	186	BEGIN {
…		…
163	$msg .= "\n"	190	$msg .= "\n"
164	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
165		192
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		194
168	utf8::encode $msg;
169	LOG llevError, $msg;	195	LOG llevError, $msg;
170	};	196	};
171	}	197	}
172		198
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		206
180	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	208	# within the Safe compartment.
182	for my $pkg (qw(	209	for my $pkg (qw(
183	cf::global cf::attachable	210	cf::global cf::attachable
…		…
191	}	218	}
192		219
193	$Event::DIED = sub {	220	$Event::DIED = sub {
194	warn "error in event callback: @_";	221	warn "error in event callback: @_";
195	};	222	};
		223
		224	#############################################################################
196		225
197	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
198		227
199	=over 4	228	=over 4
200		229
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	249	$d
221	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
222	}	251	}
223		252
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
227		254
228	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
229		256
230	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
231		258
232	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
233		267
234	=item cf::lock_wait $string	268	=item cf::lock_wait $string
235		269
236	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
237		271
…		…
240	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
243	returned.	277	returned.
244		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
245	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
247		284
248	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
249		286
250	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
251		288
252	=cut	289	=cut
253		290
254	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
255		293
256	sub lock_wait($) {	294	sub lock_wait($) {
257	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
258		301
259	# wait for lock, if any	302	# wait for lock, if any
260	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	305	Coro::schedule;
…		…
268		311
269	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
270	lock_wait $key;	313	lock_wait $key;
271		314
272	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
273		317
274	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
277	}	322	}
278	}	323	}
279		324
…		…
291	};	336	};
292	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
293	$guard	338	$guard
294	}	339	}
295		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
296	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
297		400
298	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
303		406
304	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
305		408
306	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
307		410
308	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
311		415
312	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
315	fast or be very important.	419	fast or be very important.
…		…
318		422
319	sub sync_job(&) {	423	sub sync_job(&) {
320	my ($job) = @_;	424	my ($job) = @_;
321		425
322	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
323	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
325		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
326	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	435	# (but this is cancel-safe)
328	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
329		437
330	my $busy = 1;	438	my $busy = 1;
331	my @res;	439	my @res;
332		440
333	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	443	@res = eval { $job->() };
335	warn $@ if $@;	444	warn $@ if $@;
336	undef $busy;	445	undef $busy;
337	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
338		447
339	while ($busy) {	448	while ($busy) {
340	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
341	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
342		458
343	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
344	} else {	460	} else {
345	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
346		462
…		…
366	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
367		483
368	$coro	484	$coro
369	}	485	}
370		486
371	sub write_runtime {	487	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		488
374	# first touch the runtime file to show we are still running:	489	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
376		493
377	warn "touching runtime...\n";#d#	494	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	495
379	utime undef, undef, $fh;	496	sub fork_call(&@) {
		497	my ($cb, @args) = @_;
		498
		499	# we seemingly have to make a local copy of the whole thing,
		500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
		502
		503	my @res = Coro::Util::fork_eval {
		504	reset_signals;
		505	&$cb
		506	}, @args;
		507
		508	wantarray ? @res : $res[-1]
		509	}
		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
380	}	538	};
		539	cf::cleanup "db_open(db): $@" if $@;
381		540
382	my $guard = cf::lock_acquire "write_runtime";	541	$db
		542	}
383		543
384	warn "starting to write runtime...\n";#d#	544	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		545
388	my $value = $cf::RUNTIME + 90 + 10;	546	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	547	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	548	$DB ||= db_table "db";
		549	};
		550	}
391		551
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	sub db_get($$) {
393	and return;	553	my $key = "$_[0]/$_[1]";
394		554
395	# always fsync - this file is important	555	cf::sync_job {
396	aio_fsync $fh	556	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		557
399	# touch it again to show we are up-to-date	558	$! ? ()
400	utime undef, undef, $fh;	559	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
411	}	636	}
412		637
413	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
414		639
415	Log a datalog packet of the given type with the given key-value pairs.	640	Log a datalog packet of the given type with the given key-value pairs.
…		…
433	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
435		660
436	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	663	Crossfire TRT).
439		664
440	=over 4	665	=over 4
441		666
442	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
443		668
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
607		832
608	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		837
613	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	839	my $pkg = shift @arg;
615		840
616	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
646	}	871	}
647		872
648	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
649	} else {	874	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	876	}
652		877
653	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
654	}	879	}
655		880
…		…
657	if (ref $_[0]) {	882	if (ref $_[0]) {
658	_object_attach @_;	883	_object_attach @_;
659	} else {	884	} else {
660	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
661	}	886	}
		887	_recalc_want;
662	};	888	};
663		889
664	# all those should be optimised	890	# all those should be optimised
665	sub cf::attachable::detach {	891	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
670	reattach ($obj);	896	reattach ($obj);
671	} else {	897	} else {
672	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
673	}	899	}
		900	_recalc_want;
674	};	901	};
675		902
676	sub cf::attachable::attached {	903	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
678		905
…		…
693	";	920	";
694	die if $@;	921	die if $@;
695	}	922	}
696		923
697	our $override;	924	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		926
700	sub override {	927	sub override {
701	$override = 1;	928	$override = 1;
702	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
703	}	930	}
704		931
705	sub do_invoke {	932	sub do_invoke {
706	my $event = shift;	933	my $event = shift;
707	my $callbacks = shift;	934	my $callbacks = shift;
708		935
709	@invoke_results = ();	936	@INVOKE_RESULTS = ();
710		937
711	local $override;	938	local $override;
712		939
713	for (@$callbacks) {	940	for (@$callbacks) {
714	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
731		958
732	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
733		960
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		964
738	=back	965	=back
739		966
740	=cut	967	=cut
741		968
742	#############################################################################	969	#############################################################################
743	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
744		982
745	sub reattach {	983	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	985	my ($obj) = @_;
748		986
…		…
795	sub object_freezer_save {	1033	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
797		1035
798	sync_job {	1036	sync_job {
799	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
802		1041
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
807	close $fh;	1046	close $fh;
808		1047
809	if (@$objs) {	1048	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1053	aio_fsync $fh if $cf::USE_FSYNC;
815	close $fh;	1054	close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
817	}	1056	}
…		…
825	}	1064	}
826	} else {	1065	} else {
827	aio_unlink $filename;	1066	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
829	}	1068	}
830	}	1069	};
831	}	1070	}
832		1071
833	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
835		1074
…		…
847	or return;	1086	or return;
848		1087
849	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
851	or return;	1090	or return;
852	$av = eval { (Storable::thaw $av)->{objs} };
853	}
854		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
857	return ($data, $av);	1101	($data, $av)
858	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
859		1109
860	#############################################################################	1110	#############################################################################
861	# command handling &c	1111	# command handling &c
862		1112
863	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1127	}
878		1128
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1130
881	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
882		1136
883	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
884	called.	1138	called.
885		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
886	=cut	1151	=cut
887		1152
888	sub register_extcmd {	1153	sub register_extcmd {
889	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
890		1155
891	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
892	}	1163	}
893		1164
894	cf::player->attach (	1165	cf::player->attach (
895	on_command => sub {	1166	on_command => sub {
896	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1176	cf::override;
906	},	1177	},
907	on_extcmd => sub {	1178	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
909		1180
910	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1182
912	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
918	} else {	1198	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1200	}
921		1201
922	cf::override;	1202	cf::override;
923	},	1203	},
924	);	1204	);
925		1205
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
961	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1211	next unless -r $path;
963	eval {	1212
964	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
965	1	1270	}
966	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
967	}	1276	};
968	}	1277	}
969		1278
970	#############################################################################	1279	#############################################################################
971		1280
		1281	=back
		1282
972	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
973		1284
974	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
975		1286
976	=cut	1287	=cut
…		…
980	use Coro::AIO;	1291	use Coro::AIO;
981		1292
982	=head3 cf::player	1293	=head3 cf::player
983		1294
984	=over 4	1295	=over 4
		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
985		1310
986	=item cf::player::find $login	1311	=item cf::player::find $login
987		1312
988	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
989		1314
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1354
1030	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1033	}	1363	}
1034	}	1364	}
1035	}	1365	}
1036		1366
…		…
1046		1376
1047	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1049		1379
1050	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1051	Coro::cede;	1381	cf::cede_to_tick;
1052	}	1382	}
1053		1383
1054	sub new($) {	1384	sub new($) {
1055	my ($login) = @_;	1385	my ($login) = @_;
1056		1386
…		…
1060	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1061		1391
1062	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1063		1393
1064	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1065	}	1405	}
1066		1406
1067	=item $pl->quit_character	1407	=item $pl->quit_character
1068		1408
1069	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1124	or return [];	1464	or return [];
1125		1465
1126	my @logins;	1466	my @logins;
1127		1467
1128	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1132		1477
1133	utf8::decode $login;	1478	utf8::decode $login;
1134	push @logins, $login;	1479	push @logins, $login;
1135	}	1480	}
1136		1481
…		…
1163	}	1508	}
1164		1509
1165	\@paths	1510	\@paths
1166	}	1511	}
1167		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1168	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1169		1565
1170	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1171		1567
1172	=cut	1568	=cut
1173		1569
1174	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1176		1572
1177	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1574	}
1181		1575
1182	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1183		1577
1184	Sends an ext event to the client.	1578	Sends an ext event to the client.
1185		1579
1186	=cut	1580	=cut
1187		1581
1188	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1190		1584
1191	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1192	}	1586	}
1193		1587
1194	=head3 cf::region	1588	=head3 cf::region
1195		1589
1196	=over 4	1590	=over 4
…		…
1199		1593
1200	package cf::region;	1594	package cf::region;
1201		1595
1202	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1203		1597
1204	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1205		1599
1206	=cut	1600	=cut
1207		1601
1208	sub find_by_path($) {	1602	sub find_by_path($) {
1209	my ($path) = @_;	1603	my ($path) = @_;
1210		1604
1211	my ($match, $specificity);	1605	my ($match, $specificity);
1212		1606
1213	for my $region (list) {	1607	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1217	}	1611	}
1218	}	1612	}
1219		1613
…		…
1283	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1284		1678
1285	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1286	local $self->{path};	1680	local $self->{path};
1287	local $self->{load_path};	1681	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1682
1291	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1292	}	1684	}
1293		1685
1294	sub normalise {	1686	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1342	return $self;	1734	return $self;
1343	}	1735	}
1344	}	1736	}
1345		1737
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1739	()
1348	}	1740	}
1349		1741
1350	sub init {	1742	sub init {
1351	my ($self) = @_;	1743	my ($self) = @_;
…		…
1394		1786
1395	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1397	}	1789	}
1398		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1399	sub unlink_save {	1799	sub unlink_save {
1400	my ($self) = @_;	1800	my ($self) = @_;
1401		1801
1402	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1806
1407	sub load_header_from($) {	1807	sub load_header_from($) {
1408	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1409		1809
1410	utf8::encode $path;	1810	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1416		1819
1417	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1418		1821
1419	1	1822	1
1420	}	1823	}
…		…
1459	$self->load_header_orig	1862	$self->load_header_orig
1460	or return;	1863	or return;
1461	$self->prepare_orig;	1864	$self->prepare_orig;
1462	}	1865	}
1463		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1464	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1871	unless $self->default_region;
1466		1872
1467	1	1873	1
1468	}	1874	}
…		…
1471	sub find {	1877	sub find {
1472	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1473		1879
1474	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1475		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1477		1884
1478	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1480	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1481	or return;	1890	or return;
1482		1891
1483	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1484		1893
1485	$map->load_header	1894	$map->load_header
1486	or return;	1895	or return;
1487		1896
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1491	$map->reset;	1902	$map->reset;
1492	undef $guard;
1493	return find $path;	1903	return find $path;
1494	}	1904	}
1495		1905
1496	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1497	}	1907	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1507		1917
1508	my $path = $self->{path};	1918	my $path = $self->{path};
1509		1919
1510	{	1920	{
1511	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1512		1922
		1923	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		1925
1515	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1516		1927
1517	$self->alloc;	1928	$self->alloc;
1518		1929
1519	$self->pre_load;	1930	$self->pre_load;
1520	Coro::cede;	1931	cf::cede_to_tick;
1521		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1523	or return;	1936	or return;
1524		1937
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526	if delete $self->{load_original};	1939	if delete $self->{load_original};
1527		1940
1528	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	1942	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	1945	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1533	}	1949	}
1534	}	1950	}
1535		1951
1536	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1537	# now do the right thing for maps	1955	# now do the right thing for maps
1538	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	1958	unless $self->difficulty;
1541	Coro::cede;	1959	cf::cede_to_tick;
1542		1960
1543	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	1962	$self->decay_objects;
1545	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1546	$self->update_buttons;	1964	$self->update_buttons;
1547	Coro::cede;	1965	cf::cede_to_tick;
1548	$self->set_darkness_map;	1966	$self->set_darkness_map;
1549	Coro::cede;	1967	cf::cede_to_tick;
1550	$self->activate;	1968	$self->activate;
1551	}	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1552		1973
1553	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	1975	}
1555		1976
1556	$self->post_load;	1977	$self->post_load;
…		…
1560	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1561		1982
1562	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1984	if $self->per_player;
1564		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1565	$self	1989	$self
1566	}	1990	}
1567		1991
1568	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1993	sub load_neighbours {
1570	my ($map) = @_;	1994	my ($map) = @_;
1571		1995
1572	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1573		1997
1574	for (0 .. 3) {	1998	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1576	or next;	2000	or next;
1577	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1578	or next;	2002	or next;
1579	$neigh->load;	2003	$neigh->load;
1580		2004
		2005	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2008	}
1584		2009
1585	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1587	or next;	2013	or next;
1588	$neigh->load;	2014	$neigh->load;
1589	}	2015	}
1590	}	2016	}
1591		2017
…		…
1596	}	2022	}
1597		2023
1598	sub do_load_sync {	2024	sub do_load_sync {
1599	my ($map) = @_;	2025	my ($map) = @_;
1600		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1601	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1602	}	2031	}
1603		2032
1604	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1606		2035
1607	sub find_async {	2036	sub find_async {
1608	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1609		2038
1610	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1611		2040
1612	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614	}	2043	}
1615		2044
1616	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1617	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1618	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2052	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2053	$map->load if $v;
		2054	}
1623		2055
1624	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1625	}	2057	}
1626	}	2058	}
1627	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1628	};	2060	};
1629	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2064	}
1633		2065
1634	sub save {	2066	sub save {
1635	my ($self) = @_;	2067	my ($self) = @_;
1636		2068
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2070
1639	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1640		2072
1641	return unless $self->dirty;	2073	return unless $self->dirty;
1642		2074
…		…
1648	return if $self->{deny_save};	2080	return if $self->{deny_save};
1649		2081
1650	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1651		2083
1652	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1654	};	2087	};
1655		2088
1656	if ($uniq) {	2089	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1665	my ($self) = @_;	2098	my ($self) = @_;
1666		2099
1667	# save first because save cedes	2100	# save first because save cedes
1668	$self->save;	2101	$self->save;
1669		2102
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2104
1672	return if $self->players;	2105	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};	2107	return if $self->{deny_save};
1675		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2113	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2114	}
1679		2115
1680	sub reset_at {	2116	sub reset_at {
1681	my ($self) = @_;	2117	my ($self) = @_;
1682		2118
1683	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1686		2121
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2124
…		…
1700	my ($self) = @_;	2135	my ($self) = @_;
1701		2136
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2138
1704	return if $self->players;	2139	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2140
1707	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
1708		2142
1709	$self->in_memory (cf::MAP_SWAPPED);	2143	$self->in_memory (cf::MAP_SWAPPED);
1710		2144
1711	# need to save uniques path	2145	# need to save uniques path
1712	unless ($self->{deny_save}) {	2146	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2150	if $uniq;
1717	}	2151	}
1718		2152
1719	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1720		2154
		2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2157	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2158
1725	$self->unlink_save;	2159	$self->unlink_save;
1726	$self->destroy;	2160	$self->destroy;
1727	}	2161	}
1728		2162
1729	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1730		2164
1731	sub nuke {	2165	sub nuke {
1732	my ($self) = @_;	2166	my ($self) = @_;
1733		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1734	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1735		2172
1736	$self->unlink_save;	2173	$self->unlink_save;
1737		2174
1738	bless $self, "cf::map";	2175	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2180
1744	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1745		2183
1746	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1747	}	2221	}
1748		2222
1749	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1750		2224
1751	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2226	instantiated unique items. May block.
1753		2227
1754	=cut	2228	=cut
1755		2229
1756	sub unique_maps() {	2230	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2231	[
1758	or return;	2232	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2233	utf8::decode $_;
1764	next if /\.pst$/;	2234	/\.map$/
1765	next unless /^$PATH_SEP/o;	2235	? normalise $_
1766		2236	: ()
1767	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2238	]
1769
1770	\@paths
1771	}	2239	}
1772		2240
1773	package cf;	2241	package cf;
1774		2242
1775	=back	2243	=back
…		…
1793	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1794	}	2262	}
1795		2263
1796	sub inv_recursive {	2264	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1798	}	2294	}
1799		2295
1800	package cf;	2296	package cf;
1801		2297
1802	=back	2298	=back
…		…
1821		2317
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2319
1824	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1826	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1829	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1830	}	2345	}
1831		2346
1832	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1833		2348
1834	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1882		2397
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2399
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1887		2402
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2404	}
1890		2405
1891	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1893		2410
1894	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1895		2412
1896	unless ($map) {	2413	unless ($map) {
1897	# restore original map position	2414	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1914		2431
1915	$map->load;	2432	$map->load;
1916	$map->load_diag;	2433	$map->load_neighbours;
1917		2434
1918	return unless $self->contr->active;	2435	return unless $self->contr->active;
1919	$self->activate_recursive;	2436	$self->activate_recursive;
1920		2437
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1923	}	2440	}
1924		2441
1925	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2443
1929	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1933	};	2448	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2449
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1960		2453
1961	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2459
1964	$self->enter_link;	2460	$self->enter_link;
1965		2461
1966	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1967	my $map = eval {	2484	my $map = eval {
1968	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
		2489	$map = $check->($map) if $check && $map;
		2490	} else {
		2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
		2493
1970	$map	2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2500	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1975	})->prio (1);	2508	})->prio (1);
1976	}	2509	}
1977		2510
1978	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1979		2512
…		…
2048	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
2050		2583
2051	$self->enter_link;	2584	$self->enter_link;
2052		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
2053	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
2054	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2594	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
2057		2596
2058	1;	2597	1;
…		…
2084		2623
2085	utf8::encode $text;	2624	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2626	}
2088		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
2089	=item $client->ext_event ($type, %msg)	2721	=item $client->ext_msg ($type, @msg)
2090		2722
2091	Sends an exti event to the client.	2723	Sends an ext event to the client.
2092		2724
2093	=cut	2725	=cut
2094		2726
2095	sub cf::client::ext_event($$%) {	2727	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2728	my ($self, $type, @msg) = @_;
2097		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2733	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
2100	}	2754	}
2101		2755
2102	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
2103		2757
2104	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2761
2108	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2763	become reliable at some point in the future.
2110		2764
2111	=cut	2765	=cut
2112		2766
2113	sub cf::client::query {	2767	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2776	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2778
2125	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2127	}	2783	}
2128		2784
2129	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
2130	on_reply => sub {	2791	on_reply => sub {
2131	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2132		2793
2133	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2134	# get handled first	2795	# get handled first
…		…
2146	} else {	2807	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2809	}
2149	}	2810	}
2150	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2151	);	2838	);
2152		2839
2153	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2154		2841
2155	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2198		2885
2199	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2200		2887
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2202		2893
2203	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2204		2895
2205	=pod	2896	=pod
2206		2897
2207	The following functions and methods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2208		2899
2209	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add destroy
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2210	cf::object::player player	2904	cf::object::player
2211	cf::player peaceful	2905	player
2212	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2213		2912
2214	=cut	2913	=cut
2215		2914
2216	for (	2915	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr destroy)],
2218	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2221	) {	2922	) {
2222	no strict 'refs';	2923	no strict 'refs';
…		…
2293	=back	2994	=back
2294		2995
2295	=cut	2996	=cut
2296		2997
2297	#############################################################################	2998	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2999	# the server's init and main functions
2473		3000
2474	sub load_facedata($) {	3001	sub load_facedata($) {
2475	my ($path) = @_;	3002	my ($path) = @_;
		3003
		3004	# HACK to clear player env face cache, we need some signal framework
		3005	# for this (global event?)
		3006	%ext::player_env::MUSIC_FACE_CACHE = ();
		3007
		3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		3009
2477	warn "loading facedata from $path\n";	3010	warn "loading facedata from $path\n";
2478		3011
2479	my $facedata;	3012	my $facedata;
2480	0 < aio_load $path, $facedata	3013	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3016	$facedata = Coro::Storable::thaw $facedata;
2484		3017
2485	$facedata->{version} == 2	3018	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3020
		3021	# patch in the exptable
		3022	$facedata->{resource}{"res/exp_table"} = {
		3023	type => FT_RSRC,
		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3025	};
		3026	cf::cede_to_tick;
		3027
2488	{	3028	{
2489	my $faces = $facedata->{faceinfo};	3029	my $faces = $facedata->{faceinfo};
2490		3030
2491	while (my ($face, $info) = each %$faces) {	3031	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3037
		3038	cf::cede_to_tick;
2497	}	3039	}
2498		3040
2499	while (my ($face, $info) = each %$faces) {	3041	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3042	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	3043	my $idx = cf::face::find $face
2502	or next;	3044	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3048	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3050	}
2508	Coro::cede;	3051
		3052	cf::cede_to_tick;
2509	}	3053	}
2510	}	3054	}
2511		3055
2512	{	3056	{
2513	my $anims = $facedata->{animinfo};	3057	my $anims = $facedata->{animinfo};
2514		3058
2515	while (my ($anim, $info) = each %$anims) {	3059	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3061	cf::cede_to_tick;
2518	}	3062	}
2519		3063
2520	cf::anim::invalidate_all; # d'oh	3064	cf::anim::invalidate_all; # d'oh
2521	}	3065	}
2522		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
2523	1	3116	1
2524	}	3117	}
2525		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
2526	sub reload_regions {	3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
2527	load_resource_file "$MAPDIR/regions"	3132	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
2529	}	3139	}
2530		3140
2531	sub reload_facedata {	3141	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3142	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3143	or die "unable to load facedata\n";
2534	}	3144	}
2535		3145
2536	sub reload_archetypes {	3146	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	3147	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
2539	}	3154	}
2540		3155
2541	sub reload_treasures {	3156	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3157	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3158	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	3161	sub reload_resources {
2547	warn "reloading resource files...\n";	3162	warn "reloading resource files...\n";
2548		3163
2549	reload_regions;	3164	reload_regions;
2550	reload_facedata;	3165	reload_facedata;
		3166	#reload_archetypes;#d#
2551	reload_archetypes;	3167	reload_archetypes;
2552	reload_treasures;	3168	reload_treasures;
2553		3169
2554	warn "finished reloading resource files\n";	3170	warn "finished reloading resource files\n";
2555	}	3171	}
2556		3172
2557	sub init {	3173	sub init {
2558	reload_resources;	3174	reload_resources;
2559	}	3175	}
2560		3176
2561	sub cfg_load {	3177	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3179	or return;
2564		3180
2565	local $/;	3181	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
…		…
2582	sub main {	3198	sub main {
2583	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2587	Event::one_event;	3204	Event::one_event;
2588	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2589	};	3206	};
2590		3207
2591	cfg_load;	3208	reload_config;
2592	db_init;	3209	db_init;
2593	load_extensions;	3210	load_extensions;
2594		3211
2595	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2596	Event::loop;	3213	Event::loop;
…		…
2612	},	3229	},
2613	);	3230	);
2614	}	3231	}
2615	}	3232	}
2616		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2617	sub emergency_save() {	3272	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2619		3274
2620	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2621		3276
…		…
2625	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2627	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3286	$pl->save;
2631	}	3287	}
2632	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2633		3289
2634	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2696	%EXT_CORO = ();	3352	%EXT_CORO = ();
2697		3353
2698	warn "removing commands";	3354	warn "removing commands";
2699	%COMMAND = ();	3355	%COMMAND = ();
2700		3356
2701	warn "removing ext commands";	3357	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2703		3360
2704	warn "unloading/nuking all extensions";	3361	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2707		3364
…		…
2750	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2751	require cf;	3408	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3410
2754	warn "loading config and database again";	3411	warn "loading config and database again";
2755	cf::cfg_load;	3412	cf::reload_config;
2756		3413
2757	warn "loading extensions";	3414	warn "loading extensions";
2758	cf::load_extensions;	3415	cf::load_extensions;
2759		3416
2760	warn "reattaching attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
…		…
2796	register_command "reload" => sub {	3453	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2798		3455
2799	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
		3458	async {
		3459	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3460	reload_perl;
		3461	};
2802	}	3462	}
2803	};	3463	};
2804		3464
2805	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
2806		3466
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3499	unless ++$bug_warning > 10;
2840	return;	3500	return;
2841	}	3501	}
2842		3502
2843	$NOW = Event::time;	3503	$NOW = $tick_start = Event::time;
2844		3504
2845	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
2846		3506
2847	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2849		3509
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
2852	Coro::async_pool {	3512	Coro::async_pool {
		3513	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3514	write_runtime
2854	or warn "ERROR: unable to write runtime file: $!";	3515	or warn "ERROR: unable to write runtime file: $!";
2855	};	3516	};
2856	}	3517	}
2857		3518
2858	# my $AFTER = Event::time;	3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2859	# warn $AFTER - $NOW;#d#	3520	$sig->send;
		3521	}
		3522	while (my $sig = shift @WAIT_FOR_TICK) {
		3523	$sig->send;
		3524	}
		3525
		3526	$NOW = Event::time;
2860		3527
2861	# if we are delayed by four ticks or more, skip them all	3528	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3530
2864	$TICK_WATCHER->at ($NEXT_TICK);	3531	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3532	$TICK_WATCHER->start;
2866		3533
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3534	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3536
2874	_post_tick;	3537	_post_tick;
2875	},	3538	},
2876	);	3539	);
2877		3540
2878	{	3541	{
		3542	BDB::min_parallel 8;
2879	BDB::max_poll_time $TICK * 0.1;	3543	BDB::max_poll_time $TICK * 0.1;
2880	$BDB_POLL_WATCHER = Event->io (	3544	$BDB_POLL_WATCHER = Event->io (
2881	reentrant => 0,	3545	reentrant => 0,
2882	fd => BDB::poll_fileno,	3546	fd => BDB::poll_fileno,
2883	poll => 'r',	3547	poll => 'r',
2884	prio => 0,	3548	prio => 0,
2885	data => WF_AUTOCANCEL,	3549	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,	3550	cb => \&BDB::poll_cb,
2887	);	3551	);
2888	BDB::min_parallel 8;
2889		3552
2890	BDB::set_sync_prepare {	3553	BDB::set_sync_prepare {
2891	my $status;	3554	my $status;
2892	my $current = $Coro::current;	3555	my $current = $Coro::current;
2893	(	3556	(
…		…
2902	)	3565	)
2903	};	3566	};
2904		3567
2905	unless ($DB_ENV) {	3568	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		3574
2908	cf::sync_job {	3575	cf::sync_job {
2909	eval {	3576	eval {
2910	BDB::db_env_open	3577	BDB::db_env_open
2911	$DB_ENV,	3578	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3582	0666;
2916		3583
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3585	};
2922		3586
2923	cf::cleanup "db_env_open(db): $@" if $@;	3587	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3588	};
2925	}	3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
2926	}	3621	}
2927		3622
2928	{	3623	{
2929	IO::AIO::min_parallel 8;	3624	IO::AIO::min_parallel 8;
2930		3625
…		…
2933	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2934	reentrant => 0,	3629	reentrant => 0,
2935	data => WF_AUTOCANCEL,	3630	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,	3631	fd => IO::AIO::poll_fileno,
2937	poll => 'r',	3632	poll => 'r',
2938	prio => 6,	3633	prio => 0,
2939	cb => \&IO::AIO::poll_cb,	3634	cb => \&IO::AIO::poll_cb,
2940	);	3635	);
2941	}	3636	}
2942		3637
2943	my $_log_backtrace;	3638	my $_log_backtrace;
…		…
2949		3644
2950	# limit the # of concurrent backtraces	3645	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	3646	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	3647	++$_log_backtrace;
2953	async {	3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
2954	my @bt = fork_call {	3651	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	3652	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	3655	or die "addr2line: $!";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines