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 1.257 by root, Sat Apr 21 17:34:24 2007 UTC vs.
Revision 1.378 by root, Thu Oct 4 11:36:54 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
94		105
95	binmode STDOUT;	106	binmode STDOUT;
96	binmode STDERR;	107	binmode STDERR;
97		108
98	# read virtual server time, if available	109	# read virtual server time, if available
…		…
139		150
140	=item $cf::TICK	151	=item $cf::TICK
141		152
142	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
143		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
144	=item %cf::CFG	165	=item %cf::CFG
145		166
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	168	from wherever your confdir points to.
148		169
…		…
150		171
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
155	=back	182	=back
156		183
157	=cut	184	=cut
158		185
159	BEGIN {	186	BEGIN {
…		…
163	$msg .= "\n"	190	$msg .= "\n"
164	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
165		192
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		194
168	utf8::encode $msg;
169	LOG llevError, $msg;	195	LOG llevError, $msg;
170	};	196	};
171	}	197	}
172		198
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		206
180	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	208	# within the Safe compartment.
182	for my $pkg (qw(	209	for my $pkg (qw(
183	cf::global cf::attachable	210	cf::global cf::attachable
…		…
191	}	218	}
192		219
193	$Event::DIED = sub {	220	$Event::DIED = sub {
194	warn "error in event callback: @_";	221	warn "error in event callback: @_";
195	};	222	};
		223
		224	#############################################################################
196		225
197	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
198		227
199	=over 4	228	=over 4
200		229
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	249	$d
221	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
222	}	251	}
223		252
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
227		254
228	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
229		256
230	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
231		258
232	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
233		267
234	=item cf::lock_wait $string	268	=item cf::lock_wait $string
235		269
236	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
237		271
…		…
240	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
243	returned.	277	returned.
244		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
245	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
247		284
248	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
249		286
250	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
251		288
252	=cut	289	=cut
253		290
254	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
255		293
256	sub lock_wait($) {	294	sub lock_wait($) {
257	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
258		301
259	# wait for lock, if any	302	# wait for lock, if any
260	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	305	Coro::schedule;
…		…
268		311
269	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
270	lock_wait $key;	313	lock_wait $key;
271		314
272	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
273		317
274	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
277	}	322	}
278	}	323	}
279		324
…		…
291	};	336	};
292	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
293	$guard	338	$guard
294	}	339	}
295		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
296	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
297		400
298	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
303		406
304	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
305		408
306	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
307		410
308	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
311		415
312	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
315	fast or be very important.	419	fast or be very important.
…		…
318		422
319	sub sync_job(&) {	423	sub sync_job(&) {
320	my ($job) = @_;	424	my ($job) = @_;
321		425
322	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
323	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
325		431
326	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
329		435
330	my $busy = 1;	436	my $busy = 1;
331	my @res;	437	my @res;
332		438
333	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	441	@res = eval { $job->() };
335	warn $@ if $@;	442	warn $@ if $@;
336	undef $busy;	443	undef $busy;
337	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
338		445
339	while ($busy) {	446	while ($busy) {
340	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
341	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
342		456
343	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
344	} else {	458	} else {
345	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
346		460
…		…
366	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
367		481
368	$coro	482	$coro
369	}	483	}
370		484
371	sub write_runtime {	485	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		486
374	my $runtime = "$LOCALDIR/runtime";	487	Executes the given code block with the given arguments in a seperate
		488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
375		491
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	492	=cut
377	or return;
378		493
379	my $value = $cf::RUNTIME + 90 + 10;	494	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	495	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		496
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	497	# we seemingly have to make a local copy of the whole thing,
384	and return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
385		500
386	# always fsync - this file is important	501	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	502	reset_signals;
388	and return;	503	&$cb
		504	}, @args;
389		505
390	close $fh	506	wantarray ? @res : $res[-1]
391	or return;	507	}
392		508
393	aio_rename "$runtime~", $runtime	509	=item $value = cf::db_get $family => $key
394	and return;
395		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
396	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
397	}	634	}
398		635
399	=item cf::datalog type => key => value, ...	636	=item cf::datalog type => key => value, ...
400		637
401	Log a datalog packet of the given type with the given key-value pairs.	638	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
421		658
422	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	661	Crossfire TRT).
425		662
426	=over 4	663	=over 4
427		664
428	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
429		666
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
593		830
594	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		835
599	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	837	my $pkg = shift @arg;
601		838
602	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
632	}	869	}
633		870
634	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
635	} else {	872	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	874	}
638		875
639	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
640	}	877	}
641		878
…		…
643	if (ref $_[0]) {	880	if (ref $_[0]) {
644	_object_attach @_;	881	_object_attach @_;
645	} else {	882	} else {
646	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
647	}	884	}
		885	_recalc_want;
648	};	886	};
649		887
650	# all those should be optimised	888	# all those should be optimised
651	sub cf::attachable::detach {	889	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
656	reattach ($obj);	894	reattach ($obj);
657	} else {	895	} else {
658	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
659	}	897	}
		898	_recalc_want;
660	};	899	};
661		900
662	sub cf::attachable::attached {	901	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
664		903
…		…
679	";	918	";
680	die if $@;	919	die if $@;
681	}	920	}
682		921
683	our $override;	922	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		924
686	sub override {	925	sub override {
687	$override = 1;	926	$override = 1;
688	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
689	}	928	}
690		929
691	sub do_invoke {	930	sub do_invoke {
692	my $event = shift;	931	my $event = shift;
693	my $callbacks = shift;	932	my $callbacks = shift;
694		933
695	@invoke_results = ();	934	@INVOKE_RESULTS = ();
696		935
697	local $override;	936	local $override;
698		937
699	for (@$callbacks) {	938	for (@$callbacks) {
700	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
717		956
718	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
719		958
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		962
724	=back	963	=back
725		964
726	=cut	965	=cut
727		966
728	#############################################################################	967	#############################################################################
729	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
730		980
731	sub reattach {	981	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	983	my ($obj) = @_;
734		984
…		…
781	sub object_freezer_save {	1031	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
783		1033
784	sync_job {	1034	sync_job {
785	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
788		1039
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
811	}	1062	}
812	} else {	1063	} else {
813	aio_unlink $filename;	1064	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
815	}	1066	}
816	}	1067	};
817	}	1068	}
818		1069
819	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
821		1072
…		…
833	or return;	1084	or return;
834		1085
835	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
837	or return;	1088	or return;
		1089
838	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1091	}
840		1092
		1093	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
843	return ($data, $av);	1097	($data, $av)
844	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
845		1105
846	#############################################################################	1106	#############################################################################
847	# command handling &c	1107	# command handling &c
848		1108
849	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1123	}
864		1124
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1126
867	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
868		1132
869	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
870	called.	1134	called.
871		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
872	=cut	1147	=cut
873		1148
874	sub register_extcmd {	1149	sub register_extcmd {
875	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
876		1151
877	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
878	}	1159	}
879		1160
880	cf::player->attach (	1161	cf::player->attach (
881	on_command => sub {	1162	on_command => sub {
882	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1172	cf::override;
892	},	1173	},
893	on_extcmd => sub {	1174	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
895		1176
896	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1178
898	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
904	} else {	1194	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1196	}
907		1197
908	cf::override;	1198	cf::override;
909	},	1199	},
910	);	1200	);
911		1201
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
947	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1207	next unless -r $path;
949	eval {	1208
950	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
951	1	1266	}
952	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
953	}	1272	};
954	}	1273	}
955		1274
956	#############################################################################	1275	#############################################################################
957		1276
		1277	=back
		1278
958	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
959		1280
960	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
961		1282
962	=cut	1283	=cut
…		…
966	use Coro::AIO;	1287	use Coro::AIO;
967		1288
968	=head3 cf::player	1289	=head3 cf::player
969		1290
970	=over 4	1291	=over 4
		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
971		1306
972	=item cf::player::find $login	1307	=item cf::player::find $login
973		1308
974	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
975		1310
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1349	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1350
1016	my $pl = load_pl path $login	1351	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
1019	}	1359	}
1020	}	1360	}
1021	}	1361	}
1022		1362
…		…
1032		1372
1033	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1035		1375
1036	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1037	Coro::cede;	1377	cf::cede_to_tick;
1038	}	1378	}
1039		1379
1040	sub new($) {	1380	sub new($) {
1041	my ($login) = @_;	1381	my ($login) = @_;
1042		1382
…		…
1046	$self->{deny_save} = 1;	1386	$self->{deny_save} = 1;
1047		1387
1048	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1049		1389
1050	$self	1390	$self
		1391	}
		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
1051	}	1401	}
1052		1402
1053	=item $pl->quit_character	1403	=item $pl->quit_character
1054		1404
1055	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1460	or return [];
1111		1461
1112	my @logins;	1462	my @logins;
1113		1463
1114	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1118		1473
1119	utf8::decode $login;	1474	utf8::decode $login;
1120	push @logins, $login;	1475	push @logins, $login;
1121	}	1476	}
1122		1477
…		…
1149	}	1504	}
1150		1505
1151	\@paths	1506	\@paths
1152	}	1507	}
1153		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1154	=item $player->ext_reply ($msgid, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1155		1561
1156	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1157		1563
1158	=cut	1564	=cut
1159		1565
1160	sub ext_reply($$%) {	1566	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1162		1568
1163	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1570	}
1167		1571
1168	=item $player->ext_event ($type, %msg)	1572	=item $player->ext_msg ($type, @msg)
1169		1573
1170	Sends an ext event to the client.	1574	Sends an ext event to the client.
1171		1575
1172	=cut	1576	=cut
1173		1577
1174	sub ext_event($$%) {	1578	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1579	my ($self, $type, @msg) = @_;
1176		1580
1177	$self->ns->ext_event ($type, %msg);	1581	$self->ns->ext_msg ($type, @msg);
1178	}	1582	}
1179		1583
1180	=head3 cf::region	1584	=head3 cf::region
1181		1585
1182	=over 4	1586	=over 4
…		…
1185		1589
1186	package cf::region;	1590	package cf::region;
1187		1591
1188	=item cf::region::find_by_path $path	1592	=item cf::region::find_by_path $path
1189		1593
1190	Tries to decuce the probable region for a map knowing only its path.	1594	Tries to decuce the likely region for a map knowing only its path.
1191		1595
1192	=cut	1596	=cut
1193		1597
1194	sub find_by_path($) {	1598	sub find_by_path($) {
1195	my ($path) = @_;	1599	my ($path) = @_;
1196		1600
1197	my ($match, $specificity);	1601	my ($match, $specificity);
1198		1602
1199	for my $region (list) {	1603	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1604	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1605	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1606	if $region->specificity > $specificity;
1203	}	1607	}
1204	}	1608	}
1205		1609
…		…
1269	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1270		1674
1271	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1272	local $self->{path};	1676	local $self->{path};
1273	local $self->{load_path};	1677	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1678
1277	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1278	}	1680	}
1279		1681
1280	sub normalise {	1682	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1328	return $self;	1730	return $self;
1329	}	1731	}
1330	}	1732	}
1331		1733
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1735	()
1334	}	1736	}
1335		1737
1336	sub init {	1738	sub init {
1337	my ($self) = @_;	1739	my ($self) = @_;
…		…
1380		1782
1381	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1383	}	1785	}
1384		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1385	sub unlink_save {	1795	sub unlink_save {
1386	my ($self) = @_;	1796	my ($self) = @_;
1387		1797
1388	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1802
1393	sub load_header_from($) {	1803	sub load_header_from($) {
1394	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1395		1805
1396	utf8::encode $path;	1806	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1402		1815
1403	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1404		1817
1405	1	1818	1
1406	}	1819	}
…		…
1445	$self->load_header_orig	1858	$self->load_header_orig
1446	or return;	1859	or return;
1447	$self->prepare_orig;	1860	$self->prepare_orig;
1448	}	1861	}
1449		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
1450	$self->default_region (cf::region::find_by_path $self->{path})	1866	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1867	unless $self->default_region;
1452		1868
1453	1	1869	1
1454	}	1870	}
…		…
1457	sub find {	1873	sub find {
1458	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1459		1875
1460	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1461		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1463		1880
1464	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1466	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1467	or return;	1886	or return;
1468		1887
1469	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1470		1889
1471	$map->load_header	1890	$map->load_header
1472	or return;	1891	or return;
1473		1892
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1477	$map->reset;	1898	$map->reset;
1478	undef $guard;
1479	return find $path;	1899	return find $path;
1480	}	1900	}
1481		1901
1482	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1483	}	1903	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1493		1913
1494	my $path = $self->{path};	1914	my $path = $self->{path};
1495		1915
1496	{	1916	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1498		1918
		1919	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1921
1501	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1502		1923
1503	$self->alloc;	1924	$self->alloc;
1504		1925
1505	$self->pre_load;	1926	$self->pre_load;
1506	Coro::cede;	1927	cf::cede_to_tick;
1507		1928
		1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1931	$self->_load_objects ($f)
1509	or return;	1932	or return;
1510		1933
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1935	if delete $self->{load_original};
1513		1936
1514	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1938	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1941	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1519	}	1945	}
1520	}	1946	}
1521		1947
1522	Coro::cede;	1948	$f->resolve_delayed_derefs;
		1949
		1950	cf::cede_to_tick;
1523	# now do the right thing for maps	1951	# now do the right thing for maps
1524	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1954	unless $self->difficulty;
1527	Coro::cede;	1955	cf::cede_to_tick;
1528		1956
1529	unless ($self->{deny_activate}) {	1957	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1958	$self->decay_objects;
1531	$self->fix_auto_apply;	1959	$self->fix_auto_apply;
1532	$self->update_buttons;	1960	$self->update_buttons;
1533	Coro::cede;	1961	cf::cede_to_tick;
1534	$self->set_darkness_map;	1962	$self->set_darkness_map;
1535	Coro::cede;	1963	cf::cede_to_tick;
1536	$self->activate;	1964	$self->activate;
1537	}	1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
1538		1969
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1970	$self->in_memory (cf::MAP_IN_MEMORY);
1540	}	1971	}
1541		1972
1542	$self->post_load;	1973	$self->post_load;
…		…
1546	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1547		1978
1548	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	1980	if $self->per_player;
1550		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1551	$self	1985	$self
1552	}	1986	}
1553		1987
1554	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	1989	sub load_neighbours {
1556	my ($map) = @_;	1990	my ($map) = @_;
1557		1991
1558	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1559		1993
1560	for (0 .. 3) {	1994	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1562	or next;	1996	or next;
1563	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1564	or next;	1998	or next;
1565	$neigh->load;	1999	$neigh->load;
1566		2000
		2001	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2004	}
1570		2005
1571	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1573	or next;	2009	or next;
1574	$neigh->load;	2010	$neigh->load;
1575	}	2011	}
1576	}	2012	}
1577		2013
…		…
1582	}	2018	}
1583		2019
1584	sub do_load_sync {	2020	sub do_load_sync {
1585	my ($map) = @_;	2021	my ($map) = @_;
1586		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1587	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1588	}	2027	}
1589		2028
1590	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1592		2031
1593	sub find_async {	2032	sub find_async {
1594	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1595		2034
1596	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1597		2036
1598	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1600	}	2039	}
1601		2040
1602	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1603	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1604	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2048	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2049	$map->load if $v;
		2050	}
1609		2051
1610	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1611	}	2053	}
1612	}	2054	}
1613	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1614	};	2056	};
1615	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2060	}
1619		2061
1620	sub save {	2062	sub save {
1621	my ($self) = @_;	2063	my ($self) = @_;
1622		2064
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2066
1625	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1626		2068
1627	return unless $self->dirty;	2069	return unless $self->dirty;
1628		2070
…		…
1634	return if $self->{deny_save};	2076	return if $self->{deny_save};
1635		2077
1636	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1637		2079
1638	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1640	};	2083	};
1641		2084
1642	if ($uniq) {	2085	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1651	my ($self) = @_;	2094	my ($self) = @_;
1652		2095
1653	# save first because save cedes	2096	# save first because save cedes
1654	$self->save;	2097	$self->save;
1655		2098
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2100
1658	return if $self->players;	2101	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};	2103	return if $self->{deny_save};
1661		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2109	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2110	}
1665		2111
1666	sub reset_at {	2112	sub reset_at {
1667	my ($self) = @_;	2113	my ($self) = @_;
1668		2114
1669	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1672		2117
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2120
…		…
1686	my ($self) = @_;	2131	my ($self) = @_;
1687		2132
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2134
1690	return if $self->players;	2135	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2136
1693	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
1694		2138
1695	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->in_memory (cf::MAP_SWAPPED);
1696		2140
1697	# need to save uniques path	2141	# need to save uniques path
1698	unless ($self->{deny_save}) {	2142	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2146	if $uniq;
1703	}	2147	}
1704		2148
1705	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1706		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2153	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2154
1711	$self->unlink_save;	2155	$self->unlink_save;
1712	$self->destroy;	2156	$self->destroy;
1713	}	2157	}
1714		2158
1715	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1716		2160
1717	sub nuke {	2161	sub nuke {
1718	my ($self) = @_;	2162	my ($self) = @_;
1719		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1720	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1721		2168
1722	$self->unlink_save;	2169	$self->unlink_save;
1723		2170
1724	bless $self, "cf::map";	2171	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2176
1730	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1731		2179
1732	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1733	}	2217	}
1734		2218
1735	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1736		2220
1737	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2222	instantiated unique items. May block.
1739		2223
1740	=cut	2224	=cut
1741		2225
1742	sub unique_maps() {	2226	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2227	[
1744	or return;	2228	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2229	utf8::decode $_;
1750	next if /\.pst$/;	2230	/\.map$/
1751	next unless /^$PATH_SEP/o;	2231	? normalise $_
1752		2232	: ()
1753	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2234	]
1755
1756	\@paths
1757	}	2235	}
1758		2236
1759	package cf;	2237	package cf;
1760		2238
1761	=back	2239	=back
…		…
1779	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1780	}	2258	}
1781		2259
1782	sub inv_recursive {	2260	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2279	my ($uuid, $name) = ($1, $2);
		2280	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2281	or return;
		2282	$pl->ob->uuid eq $uuid
		2283	or return;
		2284
		2285	$pl->ob
		2286	} else {
		2287	warn "$ref: cannot resolve object reference\n";
		2288	undef
		2289	}
1784	}	2290	}
1785		2291
1786	package cf;	2292	package cf;
1787		2293
1788	=back	2294	=back
…		…
1807		2313
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2314	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2315
1810	if ($self->{record_replies}) {	2316	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2317	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2318
1812	} else {	2319	} else {
		2320	my $pl = $self->contr;
		2321
		2322	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2323	my $dialog = $pl->{npc_dialog};
		2324	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2325
		2326	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2327	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2328	$self->message ($msg, $flags);
		2329	}
1815	}	2330	}
		2331	}
		2332
		2333	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2334
		2335	=cut
		2336
		2337	sub cf::object::send_msg {
		2338	my $pl = shift->contr
		2339	or return;
		2340	$pl->send_msg (@_);
1816	}	2341	}
1817		2342
1818	=item $player_object->may ("access")	2343	=item $player_object->may ("access")
1819		2344
1820	Returns wether the given player is authorized to access resource "access"	2345	Returns wether the given player is authorized to access resource "access"
…		…
1862	}	2387	}
1863		2388
1864	sub cf::object::player::enter_link {	2389	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2390	my ($self) = @_;
1866		2391
		2392	$self->deactivate_recursive;
		2393
1867	return if UNIVERSAL::isa $self->map, "ext::map_link";	2394	return if UNIVERSAL::isa $self->map, "ext::map_link";
1868		2395
1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2396	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870	if $self->map;	2397	if $self->map && $self->map->{path} ne "{link}";
1871		2398
1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2399	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1873	}	2400	}
1874		2401
1875	sub cf::object::player::leave_link {	2402	sub cf::object::player::leave_link {
1876	my ($self, $map, $x, $y) = @_;	2403	my ($self, $map, $x, $y) = @_;
		2404
		2405	return unless $self->contr->active;
1877		2406
1878	my $link_pos = delete $self->{_link_pos};	2407	my $link_pos = delete $self->{_link_pos};
1879		2408
1880	unless ($map) {	2409	unless ($map) {
1881	# restore original map position	2410	# restore original map position
…		…
1895	# use -1 or undef as default coordinates, not 0, 0	2424	# use -1 or undef as default coordinates, not 0, 0
1896	($x, $y) = ($map->enter_x, $map->enter_y)	2425	($x, $y) = ($map->enter_x, $map->enter_y)
1897	if $x <=0 && $y <= 0;	2426	if $x <=0 && $y <= 0;
1898		2427
1899	$map->load;	2428	$map->load;
1900	$map->load_diag;	2429	$map->load_neighbours;
1901		2430
1902	return unless $self->contr->active;	2431	return unless $self->contr->active;
1903	$self->activate_recursive;	2432	$self->activate_recursive;
1904		2433
1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2434	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906	$self->enter_map ($map, $x, $y);	2435	$self->enter_map ($map, $x, $y);
1907	}	2436	}
1908		2437
1909	cf::player->attach (	2438	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1910	on_logout => sub {
1911	my ($pl) = @_;
1912		2439
1913	# abort map switching before logout	2440	Moves the player to the given map-path and coordinates by first freezing
1914	if ($pl->ob->{_link_pos}) {	2441	her, loading and preparing them map, calling the provided $check callback
1915	cf::sync_job {	2442	that has to return the map if sucecssful, and then unfreezes the player on
1916	$pl->ob->leave_link	2443	the new (success) or old (failed) map position. In either case, $done will
1917	};	2444	be called at the end of this process.
1918	}
1919	},
1920	on_login => sub {
1921	my ($pl) = @_;
1922		2445
1923	# try to abort aborted map switching on player login :)
1924	# should happen only on crashes
1925	if ($pl->ob->{_link_pos}) {
1926	$pl->ob->enter_link;
1927	(async {
1928	$pl->ob->reply (undef,
1929	"There was an internal problem at your last logout, "
1930	. "the server will try to bring you to your intended destination in a second.",
1931	cf::NDI_RED);
1932	# we need this sleep as the login has a concurrent enter_exit running
1933	# and this sleep increases chances of the player not ending up in scorn
1934	Coro::Timer::sleep 1;
1935	$pl->ob->leave_link;
1936	})->prio (2);
1937	}
1938	},
1939	);
1940
1941	=item $player_object->goto ($path, $x, $y)
1942
1943	=cut	2446	=cut
		2447
		2448	our $GOTOGEN;
1944		2449
1945	sub cf::object::player::goto {	2450	sub cf::object::player::goto {
1946	my ($self, $path, $x, $y) = @_;	2451	my ($self, $path, $x, $y, $check, $done) = @_;
		2452
		2453	# do generation counting so two concurrent goto's will be executed in-order
		2454	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1947		2455
1948	$self->enter_link;	2456	$self->enter_link;
1949		2457
1950	(async {	2458	(async {
		2459	$Coro::current->{desc} = "player::goto $path $x $y";
		2460
		2461	# *tag paths override both path and x|y
		2462	if ($path =~ /^\*(.*)$/) {
		2463	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2464	my $ob = $obs[rand @obs];
		2465
		2466	# see if we actually can go there
		2467	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2468	$ob = $obs[rand @obs];
		2469	} else {
		2470	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472	# else put us there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	} else {
		2476	($path, $x, $y) = (undef, undef, undef);
		2477	}
		2478	}
		2479
1951	my $map = eval {	2480	my $map = eval {
1952	my $map = cf::map::find $path;	2481	my $map = defined $path ? cf::map::find $path : undef;
		2482
		2483	if ($map) {
1953	$map = $map->customise_for ($self) if $map;	2484	$map = $map->customise_for ($self);
		2485	$map = $check->($map) if $check && $map;
		2486	} else {
		2487	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2488	}
		2489
1954	$map	2490	$map
		2491	};
		2492
		2493	if ($@) {
		2494	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2495	LOG llevError | logBacktrace, Carp::longmess $@;
1955	} or	2496	}
1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957		2497
		2498	if ($gen == $self->{_goto_generation}) {
		2499	delete $self->{_goto_generation};
1958	$self->leave_link ($map, $x, $y);	2500	$self->leave_link ($map, $x, $y);
		2501	}
		2502
		2503	$done->() if $done;
1959	})->prio (1);	2504	})->prio (1);
1960	}	2505	}
1961		2506
1962	=item $player_object->enter_exit ($exit_object)	2507	=item $player_object->enter_exit ($exit_object)
1963		2508
…		…
2032	my $hp = $exit->stats->hp;	2577	my $hp = $exit->stats->hp;
2033	my $sp = $exit->stats->sp;	2578	my $sp = $exit->stats->sp;
2034		2579
2035	$self->enter_link;	2580	$self->enter_link;
2036		2581
		2582	# if exit is damned, update players death & WoR home-position
		2583	$self->contr->savebed ($slaying, $hp, $sp)
		2584	if $exit->flag (FLAG_DAMNED);
		2585
2037	(async {	2586	(async {
		2587	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2588
2038	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
2039	unless (eval {	2590	unless (eval {
2040	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
2041		2592
2042	1;	2593	1;
…		…
2068		2619
2069	utf8::encode $text;	2620	utf8::encode $text;
2070	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2071	}	2622	}
2072		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "infobox",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "infobox",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	"c/lookat" => {
		2647	id => "infobox",
		2648	title => "Look",
		2649	reply => undef,
		2650	tooltip => "What you saw there",
		2651	},
		2652	);
		2653
		2654	sub cf::client::send_msg {
		2655	my ($self, $channel, $msg, $color, @extra) = @_;
		2656
		2657	$msg = $self->pl->expand_cfpod ($msg);
		2658
		2659	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2660
		2661	# check predefined channels, for the benefit of C
		2662	if ($CHANNEL{$channel}) {
		2663	$channel = $CHANNEL{$channel};
		2664
		2665	$self->ext_msg (channel_info => $channel)
		2666	if $self->can_msg;
		2667
		2668	$channel = $channel->{id};
		2669
		2670	} elsif (ref $channel) {
		2671	# send meta info to client, if not yet sent
		2672	unless (exists $self->{channel}{$channel->{id}}) {
		2673	$self->{channel}{$channel->{id}} = $channel;
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676	}
		2677
		2678	$channel = $channel->{id};
		2679	}
		2680
		2681	return unless @extra || length $msg;
		2682
		2683	if ($self->can_msg) {
		2684	# default colour, mask it out
		2685	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2686	if $color & cf::NDI_DEF;
		2687
		2688	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2689	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2690	} else {
		2691	if ($color >= 0) {
		2692	# replace some tags by gcfclient-compatible ones
		2693	for ($msg) {
		2694	1 while
		2695	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2696	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2697	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2698	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2699	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2700	}
		2701
		2702	$color &= cf::NDI_COLOR_MASK;
		2703
		2704	utf8::encode $msg;
		2705
		2706	if (0 && $msg =~ /\[/) {
		2707	# COMMAND/INFO
		2708	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2709	} else {
		2710	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2711	$self->send_packet ("drawinfo $color $msg")
		2712	}
		2713	}
		2714	}
		2715	}
		2716
2073	=item $client->ext_event ($type, %msg)	2717	=item $client->ext_msg ($type, @msg)
2074		2718
2075	Sends an exti event to the client.	2719	Sends an ext event to the client.
2076		2720
2077	=cut	2721	=cut
2078		2722
2079	sub cf::client::ext_event($$%) {	2723	sub cf::client::ext_msg($$@) {
2080	my ($self, $type, %msg) = @_;	2724	my ($self, $type, @msg) = @_;
2081		2725
		2726	if ($self->extcmd == 2) {
		2727	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2728	} elsif ($self->extcmd == 1) { # TODO: remove
2082	$msg{msgtype} = "event_$type";	2729	push @msg, msgtype => "event_$type";
2083	$self->send_packet ("ext " . cf::to_json \%msg);	2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2731	}
		2732	}
		2733
		2734	=item $client->ext_reply ($msgid, @msg)
		2735
		2736	Sends an ext reply to the client.
		2737
		2738	=cut
		2739
		2740	sub cf::client::ext_reply($$@) {
		2741	my ($self, $id, @msg) = @_;
		2742
		2743	if ($self->extcmd == 2) {
		2744	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2745	} elsif ($self->extcmd == 1) {
		2746	#TODO: version 1, remove
		2747	unshift @msg, msgtype => "reply", msgid => $id;
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2749	}
2084	}	2750	}
2085		2751
2086	=item $success = $client->query ($flags, "text", \&cb)	2752	=item $success = $client->query ($flags, "text", \&cb)
2087		2753
2088	Queues a query to the client, calling the given callback with	2754	Queues a query to the client, calling the given callback with
2089	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2755	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2090	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2756	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2091		2757
2092	Queries can fail, so check the return code. Or don't, as queries will become	2758	Queries can fail, so check the return code. Or don't, as queries will
2093	reliable at some point in the future.	2759	become reliable at some point in the future.
2094		2760
2095	=cut	2761	=cut
2096		2762
2097	sub cf::client::query {	2763	sub cf::client::query {
2098	my ($self, $flags, $text, $cb) = @_;	2764	my ($self, $flags, $text, $cb) = @_;
…		…
2106	utf8::encode $text;	2772	utf8::encode $text;
2107	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2773	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108		2774
2109	$self->send_packet ($self->{query_queue}[0][0])	2775	$self->send_packet ($self->{query_queue}[0][0])
2110	if @{ $self->{query_queue} } == 1;	2776	if @{ $self->{query_queue} } == 1;
		2777
		2778	1
2111	}	2779	}
2112		2780
2113	cf::client->attach (	2781	cf::client->attach (
		2782	on_connect => sub {
		2783	my ($ns) = @_;
		2784
		2785	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2786	},
2114	on_reply => sub {	2787	on_reply => sub {
2115	my ($ns, $msg) = @_;	2788	my ($ns, $msg) = @_;
2116		2789
2117	# this weird shuffling is so that direct followup queries	2790	# this weird shuffling is so that direct followup queries
2118	# get handled first	2791	# get handled first
…		…
2130	} else {	2803	} else {
2131	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2804	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132	}	2805	}
2133	}	2806	}
2134	},	2807	},
		2808	on_exticmd => sub {
		2809	my ($ns, $buf) = @_;
		2810
		2811	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2812
		2813	if (ref $msg) {
		2814	my ($type, $reply, @payload) =
		2815	"ARRAY" eq ref $msg
		2816	? @$msg
		2817	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2818
		2819	my @reply;
		2820
		2821	if (my $cb = $EXTICMD{$type}) {
		2822	@reply = $cb->($ns, @payload);
		2823	}
		2824
		2825	$ns->ext_reply ($reply, @reply)
		2826	if $reply;
		2827
		2828	} else {
		2829	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2830	}
		2831
		2832	cf::override;
		2833	},
2135	);	2834	);
2136		2835
2137	=item $client->async (\&cb)	2836	=item $client->async (\&cb)
2138		2837
2139	Create a new coroutine, running the specified callback. The coroutine will	2838	Create a new coroutine, running the specified callback. The coroutine will
…		…
2180	our $safe = new Safe "safe";	2879	our $safe = new Safe "safe";
2181	our $safe_hole = new Safe::Hole;	2880	our $safe_hole = new Safe::Hole;
2182		2881
2183	$SIG{FPE} = 'IGNORE';	2882	$SIG{FPE} = 'IGNORE';
2184		2883
2185	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2884	$safe->permit_only (Opcode::opset qw(
		2885	:base_core :base_mem :base_orig :base_math
		2886	grepstart grepwhile mapstart mapwhile
		2887	sort time
		2888	));
2186		2889
2187	# here we export the classes and methods available to script code	2890	# here we export the classes and methods available to script code
2188		2891
2189	=pod	2892	=pod
2190		2893
2191	The following functions and methods are available within a safe environment:	2894	The following functions and methods are available within a safe environment:
2192		2895
2193	cf::object contr pay_amount pay_player map	2896	cf::object
		2897	contr pay_amount pay_player map x y force_find force_add
		2898	insert remove name archname title slaying race decrease_ob_nr
		2899
2194	cf::object::player player	2900	cf::object::player
2195	cf::player peaceful	2901	player
2196	cf::map trigger	2902
		2903	cf::player
		2904	peaceful
		2905
		2906	cf::map
		2907	trigger
2197		2908
2198	=cut	2909	=cut
2199		2910
2200	for (	2911	for (
2201	["cf::object" => qw(contr pay_amount pay_player map)],	2912	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2913	insert remove inv name archname title slaying race
		2914	decrease_ob_nr)],
2202	["cf::object::player" => qw(player)],	2915	["cf::object::player" => qw(player)],
2203	["cf::player" => qw(peaceful)],	2916	["cf::player" => qw(peaceful)],
2204	["cf::map" => qw(trigger)],	2917	["cf::map" => qw(trigger)],
2205	) {	2918	) {
2206	no strict 'refs';	2919	no strict 'refs';
…		…
2277	=back	2990	=back
2278		2991
2279	=cut	2992	=cut
2280		2993
2281	#############################################################################	2994	#############################################################################
2282
2283	=head2 EXTENSION DATABASE SUPPORT
2284
2285	Crossfire maintains a very simple database for extension use. It can
2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2287	convert to/from binary).
2288
2289	The parameter C<$family> should best start with the name of the extension
2290	using it, it should be unique.
2291
2292	=over 4
2293
2294	=item $value = cf::db_get $family => $key
2295
2296	Returns a single value from the database.
2297
2298	=item cf::db_put $family => $key => $value
2299
2300	Stores the given C<$value> in the family.
2301
2302	=cut
2303
2304	our $DB;
2305
2306	sub db_init {
2307	unless ($DB) {
2308	$DB = BDB::db_create $DB_ENV;
2309
2310	cf::sync_job {
2311	eval {
2312	$DB->set_flags (BDB::CHKSUM);
2313
2314	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2315	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2316	cf::cleanup "db_open(db): $!" if $!;
2317	};
2318	cf::cleanup "db_open(db): $@" if $@;
2319	};
2320	}
2321	}
2322
2323	sub db_get($$) {
2324	my $key = "$_[0]/$_[1]";
2325
2326	cf::sync_job {
2327	BDB::db_get $DB, undef, $key, my $data;
2328
2329	$! ? ()
2330	: $data
2331	}
2332	}
2333
2334	sub db_put($$$) {
2335	BDB::dbreq_pri 4;
2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2337	}
2338
2339	=item cf::cache $id => [$paths...], $processversion => $process
2340
2341	Generic caching function that returns the value of the resource $id,
2342	caching and regenerating as required.
2343
2344	This function can block.
2345
2346	=cut
2347
2348	sub cache {
2349	my ($id, $src, $processversion, $process) = @_;
2350
2351	my $meta =
2352	join "\x00",
2353	$processversion,
2354	map {
2355	aio_stat $_
2356	and Carp::croak "$_: $!";
2357
2358	($_, (stat _)[7,9])
2359	} @$src;
2360
2361	my $dbmeta = db_get cache => "$id/meta";
2362	if ($dbmeta ne $meta) {
2363	# changed, we may need to process
2364
2365	my @data;
2366	my $md5;
2367
2368	for (0 .. $#$src) {
2369	0 <= aio_load $src->[$_], $data[$_]
2370	or Carp::croak "$src->[$_]: $!";
2371	}
2372
2373	# if processing is expensive, check
2374	# checksum first
2375	if (1) {
2376	$md5 =
2377	join "\x00",
2378	$processversion,
2379	map {
2380	Coro::cede;
2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
2382	} 0.. $#$src;
2383
2384
2385	my $dbmd5 = db_get cache => "$id/md5";
2386	if ($dbmd5 eq $md5) {
2387	db_put cache => "$id/meta", $meta;
2388
2389	return db_get cache => "$id/data";
2390	}
2391	}
2392
2393	my $t1 = Time::HiRes::time;
2394	my $data = $process->(\@data);
2395	my $t2 = Time::HiRes::time;
2396
2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2398
2399	db_put cache => "$id/data", $data;
2400	db_put cache => "$id/md5" , $md5;
2401	db_put cache => "$id/meta", $meta;
2402
2403	return $data;
2404	}
2405
2406	db_get cache => "$id/data"
2407	}
2408
2409	=item fork_call { }, $args
2410
2411	Executes the given code block with the given arguments in a seperate
2412	process, returning the results. Everything must be serialisable with
2413	Coro::Storable. May, of course, block. Note that the executed sub may
2414	never block itself or use any form of Event handling.
2415
2416	=cut
2417
2418	sub fork_call(&@) {
2419	my ($cb, @args) = @_;
2420
2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2422	# or die "socketpair: $!";
2423	pipe my $fh1, my $fh2
2424	or die "pipe: $!";
2425
2426	if (my $pid = fork) {
2427	close $fh2;
2428
2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2430	$res = Coro::Storable::thaw $res;
2431
2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2433
2434	die $$res unless "ARRAY" eq ref $res;
2435
2436	return wantarray ? @$res : $res->[-1];
2437	} else {
2438	local $SIG{__WARN__};
2439	eval {
2440	local $SIG{__DIE__};
2441	close $fh1;
2442
2443	my @res = eval { $cb->(@args) };
2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2445	};
2446
2447	warn $@ if $@;
2448	_exit 0;
2449	}
2450	}
2451
2452
2453
2454	#############################################################################
2455	# the server's init and main functions	2995	# the server's init and main functions
2456		2996
2457	sub load_facedata($) {	2997	sub load_facedata($) {
2458	my ($path) = @_;	2998	my ($path) = @_;
		2999
		3000	# HACK to clear player env face cache, we need some signal framework
		3001	# for this (global event?)
		3002	%ext::player_env::MUSIC_FACE_CACHE = ();
		3003
		3004	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2459		3005
2460	warn "loading facedata from $path\n";	3006	warn "loading facedata from $path\n";
2461		3007
2462	my $facedata;	3008	my $facedata;
2463	0 < aio_load $path, $facedata	3009	0 < aio_load $path, $facedata
…		…
2466	$facedata = Coro::Storable::thaw $facedata;	3012	$facedata = Coro::Storable::thaw $facedata;
2467		3013
2468	$facedata->{version} == 2	3014	$facedata->{version} == 2
2469	or cf::cleanup "$path: version mismatch, cannot proceed.";	3015	or cf::cleanup "$path: version mismatch, cannot proceed.";
2470		3016
		3017	# patch in the exptable
		3018	$facedata->{resource}{"res/exp_table"} = {
		3019	type => FT_RSRC,
		3020	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3021	};
		3022	cf::cede_to_tick;
		3023
2471	{	3024	{
2472	my $faces = $facedata->{faceinfo};	3025	my $faces = $facedata->{faceinfo};
2473		3026
2474	while (my ($face, $info) = each %$faces) {	3027	while (my ($face, $info) = each %$faces) {
2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3028	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3029	cf::face::set_visibility $idx, $info->{visibility};
		3030	cf::face::set_magicmap $idx, $info->{magicmap};
2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3031	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3032	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2479	Coro::cede;	3033
		3034	cf::cede_to_tick;
2480	}	3035	}
2481		3036
2482	while (my ($face, $info) = each %$faces) {	3037	while (my ($face, $info) = each %$faces) {
2483	next unless $info->{smooth};	3038	next unless $info->{smooth};
2484	my $idx = cf::face::find $face	3039	my $idx = cf::face::find $face
2485	or next;	3040	or next;
2486	if (my $smooth = cf::face::find $info->{smooth}) {	3041	if (my $smooth = cf::face::find $info->{smooth}) {
		3042	cf::face::set_smooth $idx, $smooth;
2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3043	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488	} else {	3044	} else {
2489	warn "smooth face '$info->{smooth}' not found for face '$face'";	3045	warn "smooth face '$info->{smooth}' not found for face '$face'";
2490	}	3046	}
2491	Coro::cede;	3047
		3048	cf::cede_to_tick;
2492	}	3049	}
2493	}	3050	}
2494		3051
2495	{	3052	{
2496	my $anims = $facedata->{animinfo};	3053	my $anims = $facedata->{animinfo};
2497		3054
2498	while (my ($anim, $info) = each %$anims) {	3055	while (my ($anim, $info) = each %$anims) {
2499	cf::anim::set $anim, $info->{frames}, $info->{facings};	3056	cf::anim::set $anim, $info->{frames}, $info->{facings};
2500	Coro::cede;	3057	cf::cede_to_tick;
2501	}	3058	}
2502		3059
2503	cf::anim::invalidate_all; # d'oh	3060	cf::anim::invalidate_all; # d'oh
2504	}	3061	}
2505		3062
		3063	{
		3064	# TODO: for gcfclient pleasure, we should give resources
		3065	# that gcfclient doesn't grok a >10000 face index.
		3066	my $res = $facedata->{resource};
		3067
		3068	my $soundconf = delete $res->{"res/sound.conf"};
		3069
		3070	while (my ($name, $info) = each %$res) {
		3071	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3072	my $data;
		3073
		3074	if ($info->{type} & 1) {
		3075	# prepend meta info
		3076
		3077	my $meta = $enc->encode ({
		3078	name => $name,
		3079	%{ $info->{meta} || {} },
		3080	});
		3081
		3082	$data = pack "(w/a*)*", $meta, $info->{data};
		3083	} else {
		3084	$data = $info->{data};
		3085	}
		3086
		3087	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3088	cf::face::set_type $idx, $info->{type};
		3089
		3090	cf::cede_to_tick;
		3091	}
		3092
		3093	if ($soundconf) {
		3094	$soundconf = $enc->decode (delete $soundconf->{data});
		3095
		3096	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3097	my $sound = $soundconf->{compat}[$_]
		3098	or next;
		3099
		3100	my $face = cf::face::find "sound/$sound->[1]";
		3101	cf::sound::set $sound->[0] => $face;
		3102	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3103	}
		3104
		3105	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3106	my $face = cf::face::find "sound/$v";
		3107	cf::sound::set $k => $face;
		3108	}
		3109	}
		3110	}
		3111
2506	1	3112	1
2507	}	3113	}
2508		3114
		3115	register_exticmd fx_want => sub {
		3116	my ($ns, $want) = @_;
		3117
		3118	while (my ($k, $v) = each %$want) {
		3119	$ns->fx_want ($k, $v);
		3120	}
		3121	};
		3122
2509	sub reload_regions {	3123	sub reload_regions {
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
2510	load_resource_file "$MAPDIR/regions"	3128	load_resource_file "$MAPDIR/regions"
2511	or die "unable to load regions file\n";	3129	or die "unable to load regions file\n";
		3130
		3131	for (cf::region::list) {
		3132	$_->{match} = qr/$_->{match}/
		3133	if exists $_->{match};
		3134	}
2512	}	3135	}
2513		3136
2514	sub reload_facedata {	3137	sub reload_facedata {
2515	load_facedata "$DATADIR/facedata"	3138	load_facedata "$DATADIR/facedata"
2516	or die "unable to load facedata\n";	3139	or die "unable to load facedata\n";
2517	}	3140	}
2518		3141
2519	sub reload_archetypes {	3142	sub reload_archetypes {
2520	load_resource_file "$DATADIR/archetypes"	3143	load_resource_file "$DATADIR/archetypes"
2521	or die "unable to load archetypes\n";	3144	or die "unable to load archetypes\n";
		3145	#d# NEED to laod twice to resolve forward references
		3146	# this really needs to be done in an extra post-pass
		3147	# (which needs to be synchronous, so solve it differently)
		3148	load_resource_file "$DATADIR/archetypes"
		3149	or die "unable to load archetypes\n";
2522	}	3150	}
2523		3151
2524	sub reload_treasures {	3152	sub reload_treasures {
2525	load_resource_file "$DATADIR/treasures"	3153	load_resource_file "$DATADIR/treasures"
2526	or die "unable to load treasurelists\n";	3154	or die "unable to load treasurelists\n";
…		…
2529	sub reload_resources {	3157	sub reload_resources {
2530	warn "reloading resource files...\n";	3158	warn "reloading resource files...\n";
2531		3159
2532	reload_regions;	3160	reload_regions;
2533	reload_facedata;	3161	reload_facedata;
		3162	#reload_archetypes;#d#
2534	reload_archetypes;	3163	reload_archetypes;
2535	reload_treasures;	3164	reload_treasures;
2536		3165
2537	warn "finished reloading resource files\n";	3166	warn "finished reloading resource files\n";
2538	}	3167	}
2539		3168
2540	sub init {	3169	sub init {
2541	reload_resources;	3170	reload_resources;
2542	}	3171	}
2543		3172
2544	sub cfg_load {	3173	sub reload_config {
2545	open my $fh, "<:utf8", "$CONFDIR/config"	3174	open my $fh, "<:utf8", "$CONFDIR/config"
2546	or return;	3175	or return;
2547		3176
2548	local $/;	3177	local $/;
2549	*CFG = YAML::Syck::Load <$fh>;	3178	*CFG = YAML::Syck::Load <$fh>;
…		…
2565	sub main {	3194	sub main {
2566	# we must not ever block the main coroutine	3195	# we must not ever block the main coroutine
2567	local $Coro::idle = sub {	3196	local $Coro::idle = sub {
2568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2569	(async {	3198	(async {
		3199	$Coro::current->{desc} = "IDLE BUG HANDLER";
2570	Event::one_event;	3200	Event::one_event;
2571	})->prio (Coro::PRIO_MAX);	3201	})->prio (Coro::PRIO_MAX);
2572	};	3202	};
2573		3203
2574	cfg_load;	3204	reload_config;
2575	db_init;	3205	db_init;
2576	load_extensions;	3206	load_extensions;
2577		3207
2578	$TICK_WATCHER->start;	3208	$TICK_WATCHER->start;
2579	Event::loop;	3209	Event::loop;
…		…
2595	},	3225	},
2596	);	3226	);
2597	}	3227	}
2598	}	3228	}
2599		3229
		3230	sub write_runtime {
		3231	my $runtime = "$LOCALDIR/runtime";
		3232
		3233	# first touch the runtime file to show we are still running:
		3234	# the fsync below can take a very very long time.
		3235
		3236	IO::AIO::aio_utime $runtime, undef, undef;
		3237
		3238	my $guard = cf::lock_acquire "write_runtime";
		3239
		3240	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3241	or return;
		3242
		3243	my $value = $cf::RUNTIME + 90 + 10;
		3244	# 10 is the runtime save interval, for a monotonic clock
		3245	# 60 allows for the watchdog to kill the server.
		3246
		3247	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3248	and return;
		3249
		3250	# always fsync - this file is important
		3251	aio_fsync $fh
		3252	and return;
		3253
		3254	# touch it again to show we are up-to-date
		3255	aio_utime $fh, undef, undef;
		3256
		3257	close $fh
		3258	or return;
		3259
		3260	aio_rename "$runtime~", $runtime
		3261	and return;
		3262
		3263	warn "runtime file written.\n";
		3264
		3265	1
		3266	}
		3267
2600	sub emergency_save() {	3268	sub emergency_save() {
2601	my $freeze_guard = cf::freeze_mainloop;	3269	my $freeze_guard = cf::freeze_mainloop;
2602		3270
2603	warn "enter emergency perl save\n";	3271	warn "enter emergency perl save\n";
2604		3272
…		…
2679	%EXT_CORO = ();	3347	%EXT_CORO = ();
2680		3348
2681	warn "removing commands";	3349	warn "removing commands";
2682	%COMMAND = ();	3350	%COMMAND = ();
2683		3351
2684	warn "removing ext commands";	3352	warn "removing ext/exti commands";
2685	%EXTCMD = ();	3353	%EXTCMD = ();
		3354	%EXTICMD = ();
2686		3355
2687	warn "unloading/nuking all extensions";	3356	warn "unloading/nuking all extensions";
2688	for my $pkg (@EXTS) {	3357	for my $pkg (@EXTS) {
2689	warn "... unloading $pkg";	3358	warn "... unloading $pkg";
2690		3359
…		…
2733	warn "reloading cf.pm";	3402	warn "reloading cf.pm";
2734	require cf;	3403	require cf;
2735	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2736		3405
2737	warn "loading config and database again";	3406	warn "loading config and database again";
2738	cf::cfg_load;	3407	cf::reload_config;
2739		3408
2740	warn "loading extensions";	3409	warn "loading extensions";
2741	cf::load_extensions;	3410	cf::load_extensions;
2742		3411
2743	warn "reattaching attachments to objects/players";	3412	warn "reattaching attachments to objects/players";
…		…
2779	register_command "reload" => sub {	3448	register_command "reload" => sub {
2780	my ($who, $arg) = @_;	3449	my ($who, $arg) = @_;
2781		3450
2782	if ($who->flag (FLAG_WIZ)) {	3451	if ($who->flag (FLAG_WIZ)) {
2783	$who->message ("reloading server.");	3452	$who->message ("reloading server.");
		3453	async {
		3454	$Coro::current->{desc} = "perl_reload";
2784	async { reload_perl };	3455	reload_perl;
		3456	};
2785	}	3457	}
2786	};	3458	};
2787		3459
2788	unshift @INC, $LIBDIR;	3460	unshift @INC, $LIBDIR;
2789		3461
…		…
2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3493	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822	unless ++$bug_warning > 10;	3494	unless ++$bug_warning > 10;
2823	return;	3495	return;
2824	}	3496	}
2825		3497
2826	$NOW = Event::time;	3498	$NOW = $tick_start = Event::time;
2827		3499
2828	cf::server_tick; # one server iteration	3500	cf::server_tick; # one server iteration
2829		3501
2830	$RUNTIME += $TICK;	3502	$RUNTIME += $TICK;
2831	$NEXT_TICK += $TICK;	3503	$NEXT_TICK += $TICK;
2832		3504
2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3505	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2834	$NEXT_RUNTIME_WRITE = $NOW + 10;	3506	$NEXT_RUNTIME_WRITE = $NOW + 10;
2835	Coro::async_pool {	3507	Coro::async_pool {
		3508	$Coro::current->{desc} = "runtime saver";
2836	write_runtime	3509	write_runtime
2837	or warn "ERROR: unable to write runtime file: $!";	3510	or warn "ERROR: unable to write runtime file: $!";
2838	};	3511	};
2839	}	3512	}
2840		3513
2841	# my $AFTER = Event::time;	3514	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2842	# warn $AFTER - $NOW;#d#	3515	$sig->send;
		3516	}
		3517	while (my $sig = shift @WAIT_FOR_TICK) {
		3518	$sig->send;
		3519	}
		3520
		3521	$NOW = Event::time;
2843		3522
2844	# if we are delayed by four ticks or more, skip them all	3523	# if we are delayed by four ticks or more, skip them all
2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3524	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2846		3525
2847	$TICK_WATCHER->at ($NEXT_TICK);	3526	$TICK_WATCHER->at ($NEXT_TICK);
2848	$TICK_WATCHER->start;	3527	$TICK_WATCHER->start;
2849		3528
2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3529	$LOAD = ($NOW - $tick_start) / $TICK;
2851	$sig->send;	3530	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2852	}
2853	while (my $sig = shift @WAIT_FOR_TICK) {
2854	$sig->send;
2855	}
2856		3531
2857	_post_tick;	3532	_post_tick;
2858	},	3533	},
2859	);	3534	);
2860		3535
2861	{	3536	{
		3537	BDB::min_parallel 8;
2862	BDB::max_poll_time $TICK * 0.1;	3538	BDB::max_poll_time $TICK * 0.1;
2863	$BDB_POLL_WATCHER = Event->io (	3539	$BDB_POLL_WATCHER = Event->io (
2864	reentrant => 0,	3540	reentrant => 0,
2865	fd => BDB::poll_fileno,	3541	fd => BDB::poll_fileno,
2866	poll => 'r',	3542	poll => 'r',
2867	prio => 0,	3543	prio => 0,
2868	data => WF_AUTOCANCEL,	3544	data => WF_AUTOCANCEL,
2869	cb => \&BDB::poll_cb,	3545	cb => \&BDB::poll_cb,
2870	);	3546	);
2871	BDB::min_parallel 8;
2872		3547
2873	BDB::set_sync_prepare {	3548	BDB::set_sync_prepare {
2874	my $status;	3549	my $status;
2875	my $current = $Coro::current;	3550	my $current = $Coro::current;
2876	(	3551	(
…		…
2885	)	3560	)
2886	};	3561	};
2887		3562
2888	unless ($DB_ENV) {	3563	unless ($DB_ENV) {
2889	$DB_ENV = BDB::db_env_create;	3564	$DB_ENV = BDB::db_env_create;
		3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3566	| BDB::LOG_AUTOREMOVE, 1);
		3567	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3568	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2890		3569
2891	cf::sync_job {	3570	cf::sync_job {
2892	eval {	3571	eval {
2893	BDB::db_env_open	3572	BDB::db_env_open
2894	$DB_ENV,	3573	$DB_ENV,
…		…
2896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2898	0666;	3577	0666;
2899		3578
2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3579	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2901
2902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2903	$DB_ENV->set_lk_detect;
2904	};	3580	};
2905		3581
2906	cf::cleanup "db_env_open(db): $@" if $@;	3582	cf::cleanup "db_env_open(db): $@" if $@;
2907	};	3583	};
2908	}	3584	}
		3585
		3586	$BDB_DEADLOCK_WATCHER = Event->timer (
		3587	after => 3,
		3588	interval => 1,
		3589	hard => 1,
		3590	prio => 0,
		3591	data => WF_AUTOCANCEL,
		3592	cb => sub {
		3593	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3594	},
		3595	);
		3596	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3597	after => 11,
		3598	interval => 60,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_TRICKLE_WATCHER = Event->timer (
		3607	after => 5,
		3608	interval => 10,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3614	},
		3615	);
2909	}	3616	}
2910		3617
2911	{	3618	{
2912	IO::AIO::min_parallel 8;	3619	IO::AIO::min_parallel 8;
2913		3620
…		…
2916	$AIO_POLL_WATCHER = Event->io (	3623	$AIO_POLL_WATCHER = Event->io (
2917	reentrant => 0,	3624	reentrant => 0,
2918	data => WF_AUTOCANCEL,	3625	data => WF_AUTOCANCEL,
2919	fd => IO::AIO::poll_fileno,	3626	fd => IO::AIO::poll_fileno,
2920	poll => 'r',	3627	poll => 'r',
2921	prio => 6,	3628	prio => 0,
2922	cb => \&IO::AIO::poll_cb,	3629	cb => \&IO::AIO::poll_cb,
2923	);	3630	);
2924	}	3631	}
2925		3632
		3633	my $_log_backtrace;
		3634
		3635	sub _log_backtrace {
		3636	my ($msg, @addr) = @_;
		3637
		3638	$msg =~ s/\n//;
		3639
		3640	# limit the # of concurrent backtraces
		3641	if ($_log_backtrace < 2) {
		3642	++$_log_backtrace;
		3643	async {
		3644	$Coro::current->{desc} = "abt $msg";
		3645
		3646	my @bt = fork_call {
		3647	@addr = map { sprintf "%x", $_ } @addr;
		3648	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3649	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3650	or die "addr2line: $!";
		3651
		3652	my @funcs;
		3653	my @res = <$fh>;
		3654	chomp for @res;
		3655	while (@res) {
		3656	my ($func, $line) = splice @res, 0, 2, ();
		3657	push @funcs, "[$func] $line";
		3658	}
		3659
		3660	@funcs
		3661	};
		3662
		3663	LOG llevInfo, "[ABT] $msg\n";
		3664	LOG llevInfo, "[ABT] $_\n" for @bt;
		3665	--$_log_backtrace;
		3666	};
		3667	} else {
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] [suppressed]\n";
		3670	}
		3671	}
		3672
2926	# load additional modules	3673	# load additional modules
2927	use cf::pod;	3674	use cf::pod;
2928		3675
2929	END { cf::emergency_save }	3676	END { cf::emergency_save }
2930		3677

Diff Legend

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