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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC vs.
Revision 1.371 by root, Thu Sep 13 16:16:01 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	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
296	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
297		398
298	Currently the same as Coro::async_pool, meaning you cannot use	399	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	400	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.	401	thing you are allowed to do is call C<prio> on it.
…		…
303		404
304	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
305		406
306	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
307		408
308	The design of crossfire+ requires that the main coro ($Coro::main) is	409	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	410	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.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
311		413
312	If it must be done, put the blocking parts into C<sync_job>. This will run	414	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	415	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	416	server will be frozen during this time, so the block should either finish
315	fast or be very important.	417	fast or be very important.
…		…
318		420
319	sub sync_job(&) {	421	sub sync_job(&) {
320	my ($job) = @_;	422	my ($job) = @_;
321		423
322	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
323	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
325		429
326	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
338		442
339	while ($busy) {	443	while ($busy) {
340	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
341	}	445	}
342		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
343	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
344	} else {	455	} else {
345	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
346		457
347	$job->()	458	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
367		478
368	$coro	479	$coro
369	}	480	}
370		481
371	sub write_runtime {	482	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		483
374	my $runtime = "$LOCALDIR/runtime";	484	Executes the given code block with the given arguments in a seperate
		485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
375		488
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	=cut
377	or return;
378		490
379	my $value = $cf::RUNTIME + 90 + 10;	491	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	492	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		493
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	# we seemingly have to make a local copy of the whole thing,
384	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
385		497
386	# always fsync - this file is important	498	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	499	reset_signals;
388	and return;	500	&$cb
		501	}, @args;
389		502
390	close $fh	503	wantarray ? @res : $res[-1]
391	or return;	504	}
392		505
393	aio_rename "$runtime~", $runtime	506	=item $value = cf::db_get $family => $key
394	and return;
395		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
396	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
397	}	631	}
398		632
399	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
400		634
401	Log a datalog packet of the given type with the given key-value pairs.	635	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")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
421		655
422	In the following description, CLASS can be any of C<global>, C<object>	656	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	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	658	Crossfire TRT).
425		659
426	=over 4	660	=over 4
427		661
428	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
429		663
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
593		827
594	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		832
599	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	834	my $pkg = shift @arg;
601		835
602	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
632	}	866	}
633		867
634	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
635	} else {	869	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	871	}
638		872
639	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
640	}	874	}
641		875
…		…
643	if (ref $_[0]) {	877	if (ref $_[0]) {
644	_object_attach @_;	878	_object_attach @_;
645	} else {	879	} else {
646	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
647	}	881	}
		882	_recalc_want;
648	};	883	};
649		884
650	# all those should be optimised	885	# all those should be optimised
651	sub cf::attachable::detach {	886	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
656	reattach ($obj);	891	reattach ($obj);
657	} else {	892	} else {
658	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
659	}	894	}
		895	_recalc_want;
660	};	896	};
661		897
662	sub cf::attachable::attached {	898	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
664		900
…		…
679	";	915	";
680	die if $@;	916	die if $@;
681	}	917	}
682		918
683	our $override;	919	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		921
686	sub override {	922	sub override {
687	$override = 1;	923	$override = 1;
688	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
689	}	925	}
690		926
691	sub do_invoke {	927	sub do_invoke {
692	my $event = shift;	928	my $event = shift;
693	my $callbacks = shift;	929	my $callbacks = shift;
694		930
695	@invoke_results = ();	931	@INVOKE_RESULTS = ();
696		932
697	local $override;	933	local $override;
698		934
699	for (@$callbacks) {	935	for (@$callbacks) {
700	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
717		953
718	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
719		955
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	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	957	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		959
724	=back	960	=back
725		961
726	=cut	962	=cut
727		963
728	#############################################################################	964	#############################################################################
729	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
730		977
731	sub reattach {	978	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	980	my ($obj) = @_;
734		981
…		…
779	);	1026	);
780		1027
781	sub object_freezer_save {	1028	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
783		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
784	sync_job {	1033	sync_job {
785	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
788		1038
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
811	}	1061	}
812	} else {	1062	} else {
813	aio_unlink $filename;	1063	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
815	}	1065	}
816	}	1066	};
		1067
		1068	undef $guard;
817	}	1069	}
818		1070
819	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
821		1073
…		…
826		1078
827	sub object_thawer_load {	1079	sub object_thawer_load {
828	my ($filename) = @_;	1080	my ($filename) = @_;
829		1081
830	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
831		1085
832	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
833	or return;	1087	or return;
834		1088
835	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
837	or return;	1091	or return;
		1092
		1093	undef $guard;
838	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1095	}
840		1096
		1097	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
843	return ($data, $av);	1101	($data, $av)
844	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
845		1109
846	#############################################################################	1110	#############################################################################
847	# command handling &c	1111	# command handling &c
848		1112
849	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1127	}
864		1128
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1130
867	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
868		1136
869	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
870	called.	1138	called.
871		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
872	=cut	1151	=cut
873		1152
874	sub register_extcmd {	1153	sub register_extcmd {
875	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
876		1155
877	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
878	}	1163	}
879		1164
880	cf::player->attach (	1165	cf::player->attach (
881	on_command => sub {	1166	on_command => sub {
882	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1176	cf::override;
892	},	1177	},
893	on_extcmd => sub {	1178	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
895		1180
896	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1182
898	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
904	} else {	1198	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1200	}
907		1201
908	cf::override;	1202	cf::override;
909	},	1203	},
910	);	1204	);
911		1205
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
947	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1211	next unless -r $path;
949	eval {	1212
950	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
951	1	1270	}
952	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
953	}	1276	};
954	}	1277	}
955		1278
956	#############################################################################	1279	#############################################################################
957		1280
		1281	=back
		1282
958	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
959		1284
960	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
961		1286
962	=cut	1287	=cut
…		…
966	use Coro::AIO;	1291	use Coro::AIO;
967		1292
968	=head3 cf::player	1293	=head3 cf::player
969		1294
970	=over 4	1295	=over 4
		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
971		1310
972	=item cf::player::find $login	1311	=item cf::player::find $login
973		1312
974	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
975		1314
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1354
1016	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1356	or return;
		1357
		1358	$f->next;
		1359	my $pl = cf::player::load_pl $f
		1360	or return;
		1361	local $cf::PLAYER_LOADING{$login} = $pl;
		1362	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1363	$cf::PLAYER{$login} = $pl
1019	}	1364	}
1020	}	1365	}
1021	}	1366	}
1022		1367
…		…
1032		1377
1033	aio_mkdir playerdir $pl, 0770;	1378	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1379	$pl->{last_save} = $cf::RUNTIME;
1035		1380
1036	$pl->save_pl ($path);	1381	$pl->save_pl ($path);
1037	Coro::cede;	1382	cf::cede_to_tick;
1038	}	1383	}
1039		1384
1040	sub new($) {	1385	sub new($) {
1041	my ($login) = @_;	1386	my ($login) = @_;
1042		1387
…		…
1046	$self->{deny_save} = 1;	1391	$self->{deny_save} = 1;
1047		1392
1048	$cf::PLAYER{$login} = $self;	1393	$cf::PLAYER{$login} = $self;
1049		1394
1050	$self	1395	$self
		1396	}
		1397
		1398	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1399
		1400	=cut
		1401
		1402	sub send_msg {
		1403	my $ns = shift->ns
		1404	or return;
		1405	$ns->send_msg (@_);
1051	}	1406	}
1052		1407
1053	=item $pl->quit_character	1408	=item $pl->quit_character
1054		1409
1055	Nukes the player without looking back. If logged in, the connection will	1410	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1465	or return [];
1111		1466
1112	my @logins;	1467	my @logins;
1113		1468
1114	for my $login (@$dirs) {	1469	for my $login (@$dirs) {
		1470	my $path = path $login;
		1471
		1472	# a .pst is a dead give-away for a valid player
		1473	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1475	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1476	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1477	}
1118		1478
1119	utf8::decode $login;	1479	utf8::decode $login;
1120	push @logins, $login;	1480	push @logins, $login;
1121	}	1481	}
1122		1482
…		…
1149	}	1509	}
1150		1510
1151	\@paths	1511	\@paths
1152	}	1512	}
1153		1513
		1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1515
		1516	Expand crossfire pod fragments into protocol xml.
		1517
		1518	=cut
		1519
		1520	sub expand_cfpod {
		1521	((my $self), (local $_)) = @_;
		1522
		1523	# escape & and <
		1524	s/&/&amp;/g;
		1525	s/(?<![BIUGHT])</&lt;/g;
		1526
		1527	# this is buggy, it needs to properly take care of nested <'s
		1528
		1529	1 while
		1530	# replace B<>, I<>, U<> etc.
		1531	s/B<([^\>]*)>/<b>$1<\/b>/
		1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1535	# replace G<male|female> tags
		1536	|| s{G<([^>|]*)\|([^>]*)>}{
		1537	$self->gender ? $2 : $1
		1538	}ge
		1539	# replace H<hint text>
		1540	|| s{H<([^\>]*)>}
		1541	{
		1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1544	"")
		1545	[$self->{hintmode}]
		1546	}ge;
		1547
		1548	# create single paragraphs (very hackish)
		1549	s/(?<=\S)\n(?=\w)/ /g;
		1550
		1551	# compress some whitespace
		1552	s/\s+\n/\n/g; # ws line-ends
		1553	s/\n\n+/\n/g; # double lines
		1554	s/^\n+//; # beginning lines
		1555	s/\n+$//; # ending lines
		1556
		1557	$_
		1558	}
		1559
		1560	sub hintmode {
		1561	$_[0]{hintmode} = $_[1] if @_ > 1;
		1562	$_[0]{hintmode}
		1563	}
		1564
1154	=item $player->ext_reply ($msgid, %msg)	1565	=item $player->ext_reply ($msgid, @msg)
1155		1566
1156	Sends an ext reply to the player.	1567	Sends an ext reply to the player.
1157		1568
1158	=cut	1569	=cut
1159		1570
1160	sub ext_reply($$%) {	1571	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1572	my ($self, $id, @msg) = @_;
1162		1573
1163	$msg{msgid} = $id;	1574	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1575	}
1167		1576
1168	=item $player->ext_event ($type, %msg)	1577	=item $player->ext_msg ($type, @msg)
1169		1578
1170	Sends an ext event to the client.	1579	Sends an ext event to the client.
1171		1580
1172	=cut	1581	=cut
1173		1582
1174	sub ext_event($$%) {	1583	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1584	my ($self, $type, @msg) = @_;
1176		1585
1177	$self->ns->ext_event ($type, %msg);	1586	$self->ns->ext_msg ($type, @msg);
1178	}	1587	}
1179		1588
1180	=head3 cf::region	1589	=head3 cf::region
1181		1590
1182	=over 4	1591	=over 4
…		…
1185		1594
1186	package cf::region;	1595	package cf::region;
1187		1596
1188	=item cf::region::find_by_path $path	1597	=item cf::region::find_by_path $path
1189		1598
1190	Tries to decuce the probable region for a map knowing only its path.	1599	Tries to decuce the likely region for a map knowing only its path.
1191		1600
1192	=cut	1601	=cut
1193		1602
1194	sub find_by_path($) {	1603	sub find_by_path($) {
1195	my ($path) = @_;	1604	my ($path) = @_;
1196		1605
1197	my ($match, $specificity);	1606	my ($match, $specificity);
1198		1607
1199	for my $region (list) {	1608	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1609	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1610	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1611	if $region->specificity > $specificity;
1203	}	1612	}
1204	}	1613	}
1205		1614
…		…
1269	my ($self, $merge) = @_;	1678	my ($self, $merge) = @_;
1270		1679
1271	# we have to keep some variables in memory intact	1680	# we have to keep some variables in memory intact
1272	local $self->{path};	1681	local $self->{path};
1273	local $self->{load_path};	1682	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1683
1277	$self->SUPER::thawer_merge ($merge);	1684	$self->SUPER::thawer_merge ($merge);
1278	}	1685	}
1279		1686
1280	sub normalise {	1687	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1734	$self->init; # pass $1 etc.
1328	return $self;	1735	return $self;
1329	}	1736	}
1330	}	1737	}
1331		1738
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1739	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1740	()
1334	}	1741	}
1335		1742
1336	sub init {	1743	sub init {
1337	my ($self) = @_;	1744	my ($self) = @_;
…		…
1380		1787
1381	$_->change_map_light ($change)	1788	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1789	for grep $_->outdoor, values %cf::MAP;
1383	}	1790	}
1384		1791
		1792	sub decay_objects {
		1793	my ($self) = @_;
		1794
		1795	return if $self->{deny_reset};
		1796
		1797	$self->do_decay_objects;
		1798	}
		1799
1385	sub unlink_save {	1800	sub unlink_save {
1386	my ($self) = @_;	1801	my ($self) = @_;
1387		1802
1388	utf8::encode (my $save = $self->save_path);	1803	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1807
1393	sub load_header_from($) {	1808	sub load_header_from($) {
1394	my ($self, $path) = @_;	1809	my ($self, $path) = @_;
1395		1810
1396	utf8::encode $path;	1811	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1812	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1813	or return;
		1814
		1815	$self->_load_header ($f)
		1816	or return;
		1817
		1818	local $MAP_LOADING{$self->{path}} = $self;
		1819	$f->resolve_delayed_derefs;
1402		1820
1403	$self->{load_path} = $path;	1821	$self->{load_path} = $path;
1404		1822
1405	1	1823	1
1406	}	1824	}
…		…
1445	$self->load_header_orig	1863	$self->load_header_orig
1446	or return;	1864	or return;
1447	$self->prepare_orig;	1865	$self->prepare_orig;
1448	}	1866	}
1449		1867
		1868	$self->{deny_reset} = 1
		1869	if $self->no_reset;
		1870
1450	$self->default_region (cf::region::find_by_path $self->{path})	1871	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1872	unless $self->default_region;
1452		1873
1453	1	1874	1
1454	}	1875	}
…		…
1457	sub find {	1878	sub find {
1458	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1459		1880
1460	$path = normalise $path, $origin && $origin->path;	1881	$path = normalise $path, $origin && $origin->path;
1461		1882
		1883	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1884	cf::lock_wait "map_find:$path";
1463		1885
1464	$cf::MAP{$path} || do {	1886	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1887	my $guard1 = cf::lock_acquire "map_find:$path";
		1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1889
1466	my $map = new_from_path cf::map $path	1890	my $map = new_from_path cf::map $path
1467	or return;	1891	or return;
1468		1892
1469	$map->{last_save} = $cf::RUNTIME;	1893	$map->{last_save} = $cf::RUNTIME;
1470		1894
1471	$map->load_header	1895	$map->load_header
1472	or return;	1896	or return;
1473		1897
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1899	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1900	#$cf::WAIT_FOR_TICK->wait;
		1901	undef $guard1;
		1902	undef $guard2;
1477	$map->reset;	1903	$map->reset;
1478	undef $guard;
1479	return find $path;	1904	return find $path;
1480	}	1905	}
1481		1906
1482	$cf::MAP{$path} = $map	1907	$cf::MAP{$path} = $map
1483	}	1908	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1917	local $self->{deny_reset} = 1; # loading can take a long time
1493		1918
1494	my $path = $self->{path};	1919	my $path = $self->{path};
1495		1920
1496	{	1921	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1922	my $guard = cf::lock_acquire "map_data:$path";
1498		1923
		1924	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1925	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1926
1501	$self->in_memory (cf::MAP_LOADING);	1927	$self->in_memory (cf::MAP_LOADING);
1502		1928
1503	$self->alloc;	1929	$self->alloc;
1504		1930
1505	$self->pre_load;	1931	$self->pre_load;
1506	Coro::cede;	1932	cf::cede_to_tick;
1507		1933
		1934	my $f = new_from_file cf::object::thawer $self->{load_path};
		1935	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1936	$self->_load_objects ($f)
1509	or return;	1937	or return;
1510		1938
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1940	if delete $self->{load_original};
1513		1941
1514	if (my $uniq = $self->uniq_path) {	1942	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1943	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1944	unless (aio_stat $uniq) {
		1945	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1946	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1947	$self->_load_objects ($f);
		1948	$f->resolve_delayed_derefs;
		1949	}
1519	}	1950	}
1520	}	1951	}
1521		1952
1522	Coro::cede;	1953	$f->resolve_delayed_derefs;
		1954
		1955	cf::cede_to_tick;
1523	# now do the right thing for maps	1956	# now do the right thing for maps
1524	$self->link_multipart_objects;	1957	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1958	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1959	unless $self->difficulty;
1527	Coro::cede;	1960	cf::cede_to_tick;
1528		1961
1529	unless ($self->{deny_activate}) {	1962	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1963	$self->decay_objects;
1531	$self->fix_auto_apply;	1964	$self->fix_auto_apply;
1532	$self->update_buttons;	1965	$self->update_buttons;
1533	Coro::cede;	1966	cf::cede_to_tick;
1534	$self->set_darkness_map;	1967	$self->set_darkness_map;
1535	Coro::cede;	1968	cf::cede_to_tick;
1536	$self->activate;	1969	$self->activate;
1537	}	1970	}
		1971
		1972	$self->{last_save} = $cf::RUNTIME;
		1973	$self->last_access ($cf::RUNTIME);
1538		1974
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1975	$self->in_memory (cf::MAP_IN_MEMORY);
1540	}	1976	}
1541		1977
1542	$self->post_load;	1978	$self->post_load;
…		…
1546	my ($self, $ob) = @_;	1982	my ($self, $ob) = @_;
1547		1983
1548	return find "~" . $ob->name . "/" . $self->{path}	1984	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	1985	if $self->per_player;
1550		1986
		1987	# return find "?party/" . $ob->name . "/" . $self->{path}
		1988	# if $self->per_party;
		1989
1551	$self	1990	$self
1552	}	1991	}
1553		1992
1554	# find and load all maps in the 3x3 area around a map	1993	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	1994	sub load_neighbours {
1556	my ($map) = @_;	1995	my ($map) = @_;
1557		1996
1558	my @diag; # diagonal neighbours	1997	my @neigh; # diagonal neighbours
1559		1998
1560	for (0 .. 3) {	1999	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2000	my $neigh = $map->tile_path ($_)
1562	or next;	2001	or next;
1563	$neigh = find $neigh, $map	2002	$neigh = find $neigh, $map
1564	or next;	2003	or next;
1565	$neigh->load;	2004	$neigh->load;
1566		2005
		2006	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2009	}
1570		2010
1571	for (@diag) {	2011	for (grep defined $_->[0], @neigh) {
		2012	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2013	my $neigh = find $path, $origin
1573	or next;	2014	or next;
1574	$neigh->load;	2015	$neigh->load;
1575	}	2016	}
1576	}	2017	}
1577		2018
…		…
1582	}	2023	}
1583		2024
1584	sub do_load_sync {	2025	sub do_load_sync {
1585	my ($map) = @_;	2026	my ($map) = @_;
1586		2027
		2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2029	if $Coro::current == $Coro::main;
		2030
1587	cf::sync_job { $map->load };	2031	cf::sync_job { $map->load };
1588	}	2032	}
1589		2033
1590	our %MAP_PREFETCH;	2034	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2035	our $MAP_PREFETCHER = undef;
1592		2036
1593	sub find_async {	2037	sub find_async {
1594	my ($path, $origin) = @_;	2038	my ($path, $origin, $load) = @_;
1595		2039
1596	$path = normalise $path, $origin && $origin->{path};	2040	$path = normalise $path, $origin && $origin->{path};
1597		2041
1598	if (my $map = $cf::MAP{$path}) {	2042	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1600	}	2044	}
1601		2045
1602	undef $MAP_PREFETCH{$path};	2046	$MAP_PREFETCH{$path} |= $load;
		2047
1603	$MAP_PREFETCHER ||= cf::async {	2048	$MAP_PREFETCHER ||= cf::async {
1604	while (%MAP_PREFETCH) {	2049	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2050	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2051	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2052	$map->load if $v;
		2053	}
1609		2054
1610	delete $MAP_PREFETCH{$path};	2055	delete $MAP_PREFETCH{$k};
1611	}	2056	}
1612	}	2057	}
1613	undef $MAP_PREFETCHER;	2058	undef $MAP_PREFETCHER;
1614	};	2059	};
1615	$MAP_PREFETCHER->prio (6);	2060	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2063	}
1619		2064
1620	sub save {	2065	sub save {
1621	my ($self) = @_;	2066	my ($self) = @_;
1622		2067
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2069
1625	$self->{last_save} = $cf::RUNTIME;	2070	$self->{last_save} = $cf::RUNTIME;
1626		2071
1627	return unless $self->dirty;	2072	return unless $self->dirty;
1628		2073
…		…
1651	my ($self) = @_;	2096	my ($self) = @_;
1652		2097
1653	# save first because save cedes	2098	# save first because save cedes
1654	$self->save;	2099	$self->save;
1655		2100
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2102
1658	return if $self->players;	2103	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};	2105	return if $self->{deny_save};
1661		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2111	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2112	}
1665		2113
1666	sub reset_at {	2114	sub reset_at {
1667	my ($self) = @_;	2115	my ($self) = @_;
1668		2116
1669	# TODO: safety, remove and allow resettable per-player maps	2117	# 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};	2118	return 1e99 if $self->{deny_reset};
1672		2119
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2122
…		…
1686	my ($self) = @_;	2133	my ($self) = @_;
1687		2134
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2136
1690	return if $self->players;	2137	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2138
1693	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1694		2140
1695	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1696		2142
1697	# need to save uniques path	2143	# need to save uniques path
1698	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2148	if $uniq;
1703	}	2149	}
1704		2150
1705	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1706		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2155	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2156
1711	$self->unlink_save;	2157	$self->unlink_save;
1712	$self->destroy;	2158	$self->destroy;
1713	}	2159	}
1714		2160
1715	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1716		2162
1717	sub nuke {	2163	sub nuke {
1718	my ($self) = @_;	2164	my ($self) = @_;
1719		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1720	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1721		2170
1722	$self->unlink_save;	2171	$self->unlink_save;
1723		2172
1724	bless $self, "cf::map";	2173	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2178
1730	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1731		2181
1732	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1733	}	2219	}
1734		2220
1735	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1736		2222
1737	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2224	instantiated unique items. May block.
1739		2225
1740	=cut	2226	=cut
1741		2227
1742	sub unique_maps() {	2228	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2229	[
1744	or return;	2230	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2231	utf8::decode $_;
1750	next if /\.pst$/;	2232	/\.map$/
1751	next unless /^$PATH_SEP/o;	2233	? normalise $_
1752		2234	: ()
1753	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2236	]
1755
1756	\@paths
1757	}	2237	}
1758		2238
1759	package cf;	2239	package cf;
1760		2240
1761	=back	2241	=back
…		…
1779	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1780	}	2260	}
1781		2261
1782	sub inv_recursive {	2262	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	# temporary compatibility#TODO#remove
		2281	$ref =~ s{^<}{player/<};
		2282
		2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2284	my ($uuid, $name) = ($1, $2);
		2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2286	or return;
		2287	$pl->ob->uuid eq $uuid
		2288	or return;
		2289
		2290	$pl->ob
		2291	} else {
		2292	warn "$ref: cannot resolve object reference\n";
		2293	undef
		2294	}
1784	}	2295	}
1785		2296
1786	package cf;	2297	package cf;
1787		2298
1788	=back	2299	=back
…		…
1807		2318
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2319	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2320
1810	if ($self->{record_replies}) {	2321	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2322	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2323
1812	} else {	2324	} else {
		2325	my $pl = $self->contr;
		2326
		2327	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2328	my $dialog = $pl->{npc_dialog};
		2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2330
		2331	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2332	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2333	$self->message ($msg, $flags);
		2334	}
1815	}	2335	}
		2336	}
		2337
		2338	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2339
		2340	=cut
		2341
		2342	sub cf::object::send_msg {
		2343	my $pl = shift->contr
		2344	or return;
		2345	$pl->send_msg (@_);
1816	}	2346	}
1817		2347
1818	=item $player_object->may ("access")	2348	=item $player_object->may ("access")
1819		2349
1820	Returns wether the given player is authorized to access resource "access"	2350	Returns wether the given player is authorized to access resource "access"
…		…
1862	}	2392	}
1863		2393
1864	sub cf::object::player::enter_link {	2394	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2395	my ($self) = @_;
1866		2396
		2397	$self->deactivate_recursive;
		2398
1867	return if UNIVERSAL::isa $self->map, "ext::map_link";	2399	return if UNIVERSAL::isa $self->map, "ext::map_link";
1868		2400
1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870	if $self->map;	2402	if $self->map && $self->map->{path} ne "{link}";
1871		2403
1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1873	}	2405	}
1874		2406
1875	sub cf::object::player::leave_link {	2407	sub cf::object::player::leave_link {
1876	my ($self, $map, $x, $y) = @_;	2408	my ($self, $map, $x, $y) = @_;
		2409
		2410	return unless $self->contr->active;
1877		2411
1878	my $link_pos = delete $self->{_link_pos};	2412	my $link_pos = delete $self->{_link_pos};
1879		2413
1880	unless ($map) {	2414	unless ($map) {
1881	# restore original map position	2415	# restore original map position
…		…
1895	# use -1 or undef as default coordinates, not 0, 0	2429	# use -1 or undef as default coordinates, not 0, 0
1896	($x, $y) = ($map->enter_x, $map->enter_y)	2430	($x, $y) = ($map->enter_x, $map->enter_y)
1897	if $x <=0 && $y <= 0;	2431	if $x <=0 && $y <= 0;
1898		2432
1899	$map->load;	2433	$map->load;
1900	$map->load_diag;	2434	$map->load_neighbours;
1901		2435
1902	return unless $self->contr->active;	2436	return unless $self->contr->active;
1903	$self->activate_recursive;	2437	$self->activate_recursive;
1904		2438
1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906	$self->enter_map ($map, $x, $y);	2440	$self->enter_map ($map, $x, $y);
1907	}	2441	}
1908		2442
1909	cf::player->attach (	2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1910	on_logout => sub {
1911	my ($pl) = @_;
1912		2444
1913	# abort map switching before logout	2445	Moves the player to the given map-path and coordinates by first freezing
1914	if ($pl->ob->{_link_pos}) {	2446	her, loading and preparing them map, calling the provided $check callback
1915	cf::sync_job {	2447	that has to return the map if sucecssful, and then unfreezes the player on
1916	$pl->ob->leave_link	2448	the new (success) or old (failed) map position. In either case, $done will
1917	};	2449	be called at the end of this process.
1918	}
1919	},
1920	on_login => sub {
1921	my ($pl) = @_;
1922		2450
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	2451	=cut
		2452
		2453	our $GOTOGEN;
1944		2454
1945	sub cf::object::player::goto {	2455	sub cf::object::player::goto {
1946	my ($self, $path, $x, $y) = @_;	2456	my ($self, $path, $x, $y, $check, $done) = @_;
		2457
		2458	# do generation counting so two concurrent goto's will be executed in-order
		2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1947		2460
1948	$self->enter_link;	2461	$self->enter_link;
1949		2462
1950	(async {	2463	(async {
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1951	my $map = eval {	2483	my $map = eval {
1952	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1953	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
		2488	$map = $check->($map) if $check && $map;
		2489	} else {
		2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
		2492
1954	$map	2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
1955	} or	2499	}
1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1958	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1959	})->prio (1);	2507	})->prio (1);
1960	}	2508	}
1961		2509
1962	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1963		2511
…		…
2032	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
2033	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
2034		2582
2035	$self->enter_link;	2583	$self->enter_link;
2036		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
2037	(async {	2589	(async {
2038	$self->deactivate_recursive; # just to be sure	2590	$self->deactivate_recursive; # just to be sure
2039	unless (eval {	2591	unless (eval {
2040	$self->goto ($slaying, $hp, $sp);	2592	$self->goto ($slaying, $hp, $sp);
2041		2593
…		…
2068		2620
2069	utf8::encode $text;	2621	utf8::encode $text;
2070	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2071	}	2623	}
2072		2624
		2625	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2626
		2627	Send a drawinfo or msg packet to the client, formatting the msg for the
		2628	client if neccessary. C<$type> should be a string identifying the type of
		2629	the message, with C<log> being the default. If C<$color> is negative, suppress
		2630	the message unless the client supports the msg packet.
		2631
		2632	=cut
		2633
		2634	our %CHANNEL = (
		2635	"c/identify" => {
		2636	id => "identify",
		2637	title => "Identify",
		2638	reply => undef,
		2639	tooltip => "Items recently identified",
		2640	},
		2641	"c/examine" => {
		2642	id => "examine",
		2643	title => "Examine",
		2644	reply => undef,
		2645	tooltip => "Signs and other items you examined",
		2646	},
		2647	);
		2648
		2649	sub cf::client::send_msg {
		2650	my ($self, $channel, $msg, $color, @extra) = @_;
		2651
		2652	$msg = $self->pl->expand_cfpod ($msg);
		2653
		2654	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2655
		2656	# check predefined channels, for the benefit of C
		2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2658
		2659	if (ref $channel) {
		2660	# send meta info to client, if not yet sent
		2661	unless (exists $self->{channel}{$channel->{id}}) {
		2662	$self->{channel}{$channel->{id}} = $channel;
		2663	$self->ext_msg (channel_info => $channel)
		2664	if $self->can_msg;
		2665	}
		2666
		2667	$channel = $channel->{id};
		2668	}
		2669
		2670	return unless @extra || length $msg;
		2671
		2672	if ($self->can_msg) {
		2673	# default colour, mask it out
		2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2675	if $color & cf::NDI_DEF;
		2676
		2677	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2679	} else {
		2680	if ($color >= 0) {
		2681	# replace some tags by gcfclient-compatible ones
		2682	for ($msg) {
		2683	1 while
		2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2689	}
		2690
		2691	$color &= cf::NDI_COLOR_MASK;
		2692
		2693	utf8::encode $msg;
		2694
		2695	if (0 && $msg =~ /\[/) {
		2696	# COMMAND/INFO
		2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2698	} else {
		2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2700	$self->send_packet ("drawinfo $color $msg")
		2701	}
		2702	}
		2703	}
		2704	}
		2705
2073	=item $client->ext_event ($type, %msg)	2706	=item $client->ext_msg ($type, @msg)
2074		2707
2075	Sends an exti event to the client.	2708	Sends an ext event to the client.
2076		2709
2077	=cut	2710	=cut
2078		2711
2079	sub cf::client::ext_event($$%) {	2712	sub cf::client::ext_msg($$@) {
2080	my ($self, $type, %msg) = @_;	2713	my ($self, $type, @msg) = @_;
2081		2714
		2715	if ($self->extcmd == 2) {
		2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2717	} elsif ($self->extcmd == 1) { # TODO: remove
2082	$msg{msgtype} = "event_$type";	2718	push @msg, msgtype => "event_$type";
2083	$self->send_packet ("ext " . cf::to_json \%msg);	2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2720	}
		2721	}
		2722
		2723	=item $client->ext_reply ($msgid, @msg)
		2724
		2725	Sends an ext reply to the client.
		2726
		2727	=cut
		2728
		2729	sub cf::client::ext_reply($$@) {
		2730	my ($self, $id, @msg) = @_;
		2731
		2732	if ($self->extcmd == 2) {
		2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2734	} elsif ($self->extcmd == 1) {
		2735	#TODO: version 1, remove
		2736	unshift @msg, msgtype => "reply", msgid => $id;
		2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2738	}
2084	}	2739	}
2085		2740
2086	=item $success = $client->query ($flags, "text", \&cb)	2741	=item $success = $client->query ($flags, "text", \&cb)
2087		2742
2088	Queues a query to the client, calling the given callback with	2743	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>,	2744	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>.	2745	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2091		2746
2092	Queries can fail, so check the return code. Or don't, as queries will become	2747	Queries can fail, so check the return code. Or don't, as queries will
2093	reliable at some point in the future.	2748	become reliable at some point in the future.
2094		2749
2095	=cut	2750	=cut
2096		2751
2097	sub cf::client::query {	2752	sub cf::client::query {
2098	my ($self, $flags, $text, $cb) = @_;	2753	my ($self, $flags, $text, $cb) = @_;
…		…
2106	utf8::encode $text;	2761	utf8::encode $text;
2107	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2762	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108		2763
2109	$self->send_packet ($self->{query_queue}[0][0])	2764	$self->send_packet ($self->{query_queue}[0][0])
2110	if @{ $self->{query_queue} } == 1;	2765	if @{ $self->{query_queue} } == 1;
		2766
		2767	1
2111	}	2768	}
2112		2769
2113	cf::client->attach (	2770	cf::client->attach (
		2771	on_connect => sub {
		2772	my ($ns) = @_;
		2773
		2774	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2775	},
2114	on_reply => sub {	2776	on_reply => sub {
2115	my ($ns, $msg) = @_;	2777	my ($ns, $msg) = @_;
2116		2778
2117	# this weird shuffling is so that direct followup queries	2779	# this weird shuffling is so that direct followup queries
2118	# get handled first	2780	# get handled first
…		…
2130	} else {	2792	} else {
2131	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2793	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132	}	2794	}
2133	}	2795	}
2134	},	2796	},
		2797	on_exticmd => sub {
		2798	my ($ns, $buf) = @_;
		2799
		2800	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2801
		2802	if (ref $msg) {
		2803	my ($type, $reply, @payload) =
		2804	"ARRAY" eq ref $msg
		2805	? @$msg
		2806	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2807
		2808	my @reply;
		2809
		2810	if (my $cb = $EXTICMD{$type}) {
		2811	@reply = $cb->($ns, @payload);
		2812	}
		2813
		2814	$ns->ext_reply ($reply, @reply)
		2815	if $reply;
		2816
		2817	} else {
		2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2819	}
		2820
		2821	cf::override;
		2822	},
2135	);	2823	);
2136		2824
2137	=item $client->async (\&cb)	2825	=item $client->async (\&cb)
2138		2826
2139	Create a new coroutine, running the specified callback. The coroutine will	2827	Create a new coroutine, running the specified callback. The coroutine will
…		…
2180	our $safe = new Safe "safe";	2868	our $safe = new Safe "safe";
2181	our $safe_hole = new Safe::Hole;	2869	our $safe_hole = new Safe::Hole;
2182		2870
2183	$SIG{FPE} = 'IGNORE';	2871	$SIG{FPE} = 'IGNORE';
2184		2872
2185	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2873	$safe->permit_only (Opcode::opset qw(
		2874	:base_core :base_mem :base_orig :base_math
		2875	grepstart grepwhile mapstart mapwhile
		2876	sort time
		2877	));
2186		2878
2187	# here we export the classes and methods available to script code	2879	# here we export the classes and methods available to script code
2188		2880
2189	=pod	2881	=pod
2190		2882
2191	The following functions and methods are available within a safe environment:	2883	The following functions and methods are available within a safe environment:
2192		2884
2193	cf::object contr pay_amount pay_player map	2885	cf::object
		2886	contr pay_amount pay_player map x y force_find force_add
		2887	insert remove name archname title slaying race decrease_ob_nr
		2888
2194	cf::object::player player	2889	cf::object::player
2195	cf::player peaceful	2890	player
2196	cf::map trigger	2891
		2892	cf::player
		2893	peaceful
		2894
		2895	cf::map
		2896	trigger
2197		2897
2198	=cut	2898	=cut
2199		2899
2200	for (	2900	for (
2201	["cf::object" => qw(contr pay_amount pay_player map)],	2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2902	insert remove inv name archname title slaying race
		2903	decrease_ob_nr)],
2202	["cf::object::player" => qw(player)],	2904	["cf::object::player" => qw(player)],
2203	["cf::player" => qw(peaceful)],	2905	["cf::player" => qw(peaceful)],
2204	["cf::map" => qw(trigger)],	2906	["cf::map" => qw(trigger)],
2205	) {	2907	) {
2206	no strict 'refs';	2908	no strict 'refs';
…		…
2277	=back	2979	=back
2278		2980
2279	=cut	2981	=cut
2280		2982
2281	#############################################################################	2983	#############################################################################
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 $@;
2448	_exit 0;
2449	}
2450	}
2451
2452
2453
2454	#############################################################################
2455	# the server's init and main functions	2984	# the server's init and main functions
2456		2985
2457	sub load_facedata($) {	2986	sub load_facedata($) {
2458	my ($path) = @_;	2987	my ($path) = @_;
		2988
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2459		2994
2460	warn "loading facedata from $path\n";	2995	warn "loading facedata from $path\n";
2461		2996
2462	my $facedata;	2997	my $facedata;
2463	0 < aio_load $path, $facedata	2998	0 < aio_load $path, $facedata
…		…
2466	$facedata = Coro::Storable::thaw $facedata;	3001	$facedata = Coro::Storable::thaw $facedata;
2467		3002
2468	$facedata->{version} == 2	3003	$facedata->{version} == 2
2469	or cf::cleanup "$path: version mismatch, cannot proceed.";	3004	or cf::cleanup "$path: version mismatch, cannot proceed.";
2470		3005
		3006	# patch in the exptable
		3007	$facedata->{resource}{"res/exp_table"} = {
		3008	type => FT_RSRC,
		3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3010	};
		3011	cf::cede_to_tick;
		3012
2471	{	3013	{
2472	my $faces = $facedata->{faceinfo};	3014	my $faces = $facedata->{faceinfo};
2473		3015
2474	while (my ($face, $info) = each %$faces) {	3016	while (my ($face, $info) = each %$faces) {
2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3018	cf::face::set_visibility $idx, $info->{visibility};
		3019	cf::face::set_magicmap $idx, $info->{magicmap};
2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2479	Coro::cede;	3022
		3023	cf::cede_to_tick;
2480	}	3024	}
2481		3025
2482	while (my ($face, $info) = each %$faces) {	3026	while (my ($face, $info) = each %$faces) {
2483	next unless $info->{smooth};	3027	next unless $info->{smooth};
2484	my $idx = cf::face::find $face	3028	my $idx = cf::face::find $face
2485	or next;	3029	or next;
2486	if (my $smooth = cf::face::find $info->{smooth}) {	3030	if (my $smooth = cf::face::find $info->{smooth}) {
		3031	cf::face::set_smooth $idx, $smooth;
2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488	} else {	3033	} else {
2489	warn "smooth face '$info->{smooth}' not found for face '$face'";	3034	warn "smooth face '$info->{smooth}' not found for face '$face'";
2490	}	3035	}
2491	Coro::cede;	3036
		3037	cf::cede_to_tick;
2492	}	3038	}
2493	}	3039	}
2494		3040
2495	{	3041	{
2496	my $anims = $facedata->{animinfo};	3042	my $anims = $facedata->{animinfo};
2497		3043
2498	while (my ($anim, $info) = each %$anims) {	3044	while (my ($anim, $info) = each %$anims) {
2499	cf::anim::set $anim, $info->{frames}, $info->{facings};	3045	cf::anim::set $anim, $info->{frames}, $info->{facings};
2500	Coro::cede;	3046	cf::cede_to_tick;
2501	}	3047	}
2502		3048
2503	cf::anim::invalidate_all; # d'oh	3049	cf::anim::invalidate_all; # d'oh
2504	}	3050	}
2505		3051
		3052	{
		3053	# TODO: for gcfclient pleasure, we should give resources
		3054	# that gcfclient doesn't grok a >10000 face index.
		3055	my $res = $facedata->{resource};
		3056
		3057	my $soundconf = delete $res->{"res/sound.conf"};
		3058
		3059	while (my ($name, $info) = each %$res) {
		3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3061	my $data;
		3062
		3063	if ($info->{type} & 1) {
		3064	# prepend meta info
		3065
		3066	my $meta = $enc->encode ({
		3067	name => $name,
		3068	%{ $info->{meta} || {} },
		3069	});
		3070
		3071	$data = pack "(w/a*)*", $meta, $info->{data};
		3072	} else {
		3073	$data = $info->{data};
		3074	}
		3075
		3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3077	cf::face::set_type $idx, $info->{type};
		3078
		3079	cf::cede_to_tick;
		3080	}
		3081
		3082	if ($soundconf) {
		3083	$soundconf = $enc->decode (delete $soundconf->{data});
		3084
		3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3086	my $sound = $soundconf->{compat}[$_]
		3087	or next;
		3088
		3089	my $face = cf::face::find "sound/$sound->[1]";
		3090	cf::sound::set $sound->[0] => $face;
		3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3092	}
		3093
		3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3095	my $face = cf::face::find "sound/$v";
		3096	cf::sound::set $k => $face;
		3097	}
		3098	}
		3099	}
		3100
2506	1	3101	1
2507	}	3102	}
2508		3103
		3104	register_exticmd fx_want => sub {
		3105	my ($ns, $want) = @_;
		3106
		3107	while (my ($k, $v) = each %$want) {
		3108	$ns->fx_want ($k, $v);
		3109	}
		3110	};
		3111
2509	sub reload_regions {	3112	sub reload_regions {
		3113	# HACK to clear player env face cache, we need some signal framework
		3114	# for this (global event?)
		3115	%ext::player_env::MUSIC_FACE_CACHE = ();
		3116
2510	load_resource_file "$MAPDIR/regions"	3117	load_resource_file "$MAPDIR/regions"
2511	or die "unable to load regions file\n";	3118	or die "unable to load regions file\n";
		3119
		3120	for (cf::region::list) {
		3121	$_->{match} = qr/$_->{match}/
		3122	if exists $_->{match};
		3123	}
2512	}	3124	}
2513		3125
2514	sub reload_facedata {	3126	sub reload_facedata {
2515	load_facedata "$DATADIR/facedata"	3127	load_facedata "$DATADIR/facedata"
2516	or die "unable to load facedata\n";	3128	or die "unable to load facedata\n";
2517	}	3129	}
2518		3130
2519	sub reload_archetypes {	3131	sub reload_archetypes {
2520	load_resource_file "$DATADIR/archetypes"	3132	load_resource_file "$DATADIR/archetypes"
2521	or die "unable to load archetypes\n";	3133	or die "unable to load archetypes\n";
		3134	#d# NEED to laod twice to resolve forward references
		3135	# this really needs to be done in an extra post-pass
		3136	# (which needs to be synchronous, so solve it differently)
		3137	load_resource_file "$DATADIR/archetypes"
		3138	or die "unable to load archetypes\n";
2522	}	3139	}
2523		3140
2524	sub reload_treasures {	3141	sub reload_treasures {
2525	load_resource_file "$DATADIR/treasures"	3142	load_resource_file "$DATADIR/treasures"
2526	or die "unable to load treasurelists\n";	3143	or die "unable to load treasurelists\n";
…		…
2529	sub reload_resources {	3146	sub reload_resources {
2530	warn "reloading resource files...\n";	3147	warn "reloading resource files...\n";
2531		3148
2532	reload_regions;	3149	reload_regions;
2533	reload_facedata;	3150	reload_facedata;
		3151	#reload_archetypes;#d#
2534	reload_archetypes;	3152	reload_archetypes;
2535	reload_treasures;	3153	reload_treasures;
2536		3154
2537	warn "finished reloading resource files\n";	3155	warn "finished reloading resource files\n";
2538	}	3156	}
2539		3157
2540	sub init {	3158	sub init {
2541	reload_resources;	3159	reload_resources;
2542	}	3160	}
2543		3161
2544	sub cfg_load {	3162	sub reload_config {
2545	open my $fh, "<:utf8", "$CONFDIR/config"	3163	open my $fh, "<:utf8", "$CONFDIR/config"
2546	or return;	3164	or return;
2547		3165
2548	local $/;	3166	local $/;
2549	*CFG = YAML::Syck::Load <$fh>;	3167	*CFG = YAML::Syck::Load <$fh>;
…		…
2569	(async {	3187	(async {
2570	Event::one_event;	3188	Event::one_event;
2571	})->prio (Coro::PRIO_MAX);	3189	})->prio (Coro::PRIO_MAX);
2572	};	3190	};
2573		3191
2574	cfg_load;	3192	reload_config;
2575	db_init;	3193	db_init;
2576	load_extensions;	3194	load_extensions;
2577		3195
2578	$TICK_WATCHER->start;	3196	$TICK_WATCHER->start;
2579	Event::loop;	3197	Event::loop;
…		…
2595	},	3213	},
2596	);	3214	);
2597	}	3215	}
2598	}	3216	}
2599		3217
		3218	sub write_runtime {
		3219	my $runtime = "$LOCALDIR/runtime";
		3220
		3221	# first touch the runtime file to show we are still running:
		3222	# the fsync below can take a very very long time.
		3223
		3224	IO::AIO::aio_utime $runtime, undef, undef;
		3225
		3226	my $guard = cf::lock_acquire "write_runtime";
		3227
		3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3229	or return;
		3230
		3231	my $value = $cf::RUNTIME + 90 + 10;
		3232	# 10 is the runtime save interval, for a monotonic clock
		3233	# 60 allows for the watchdog to kill the server.
		3234
		3235	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3236	and return;
		3237
		3238	# always fsync - this file is important
		3239	aio_fsync $fh
		3240	and return;
		3241
		3242	# touch it again to show we are up-to-date
		3243	aio_utime $fh, undef, undef;
		3244
		3245	close $fh
		3246	or return;
		3247
		3248	aio_rename "$runtime~", $runtime
		3249	and return;
		3250
		3251	warn "runtime file written.\n";
		3252
		3253	1
		3254	}
		3255
2600	sub emergency_save() {	3256	sub emergency_save() {
2601	my $freeze_guard = cf::freeze_mainloop;	3257	my $freeze_guard = cf::freeze_mainloop;
2602		3258
2603	warn "enter emergency perl save\n";	3259	warn "enter emergency perl save\n";
2604		3260
…		…
2679	%EXT_CORO = ();	3335	%EXT_CORO = ();
2680		3336
2681	warn "removing commands";	3337	warn "removing commands";
2682	%COMMAND = ();	3338	%COMMAND = ();
2683		3339
2684	warn "removing ext commands";	3340	warn "removing ext/exti commands";
2685	%EXTCMD = ();	3341	%EXTCMD = ();
		3342	%EXTICMD = ();
2686		3343
2687	warn "unloading/nuking all extensions";	3344	warn "unloading/nuking all extensions";
2688	for my $pkg (@EXTS) {	3345	for my $pkg (@EXTS) {
2689	warn "... unloading $pkg";	3346	warn "... unloading $pkg";
2690		3347
…		…
2733	warn "reloading cf.pm";	3390	warn "reloading cf.pm";
2734	require cf;	3391	require cf;
2735	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2736		3393
2737	warn "loading config and database again";	3394	warn "loading config and database again";
2738	cf::cfg_load;	3395	cf::reload_config;
2739		3396
2740	warn "loading extensions";	3397	warn "loading extensions";
2741	cf::load_extensions;	3398	cf::load_extensions;
2742		3399
2743	warn "reattaching attachments to objects/players";	3400	warn "reattaching attachments to objects/players";
…		…
2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822	unless ++$bug_warning > 10;	3479	unless ++$bug_warning > 10;
2823	return;	3480	return;
2824	}	3481	}
2825		3482
2826	$NOW = Event::time;	3483	$NOW = $tick_start = Event::time;
2827		3484
2828	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
2829		3486
2830	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2831	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
…		…
2836	write_runtime	3493	write_runtime
2837	or warn "ERROR: unable to write runtime file: $!";	3494	or warn "ERROR: unable to write runtime file: $!";
2838	};	3495	};
2839	}	3496	}
2840		3497
2841	# my $AFTER = Event::time;	3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2842	# warn $AFTER - $NOW;#d#	3499	$sig->send;
		3500	}
		3501	while (my $sig = shift @WAIT_FOR_TICK) {
		3502	$sig->send;
		3503	}
		3504
		3505	$NOW = Event::time;
2843		3506
2844	# if we are delayed by four ticks or more, skip them all	3507	# if we are delayed by four ticks or more, skip them all
2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2846		3509
2847	$TICK_WATCHER->at ($NEXT_TICK);	3510	$TICK_WATCHER->at ($NEXT_TICK);
2848	$TICK_WATCHER->start;	3511	$TICK_WATCHER->start;
2849		3512
2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3513	$LOAD = ($NOW - $tick_start) / $TICK;
2851	$sig->send;	3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2852	}
2853	while (my $sig = shift @WAIT_FOR_TICK) {
2854	$sig->send;
2855	}
2856		3515
2857	_post_tick;	3516	_post_tick;
2858	},	3517	},
2859	);	3518	);
2860		3519
2861	{	3520	{
		3521	BDB::min_parallel 8;
2862	BDB::max_poll_time $TICK * 0.1;	3522	BDB::max_poll_time $TICK * 0.1;
2863	$BDB_POLL_WATCHER = Event->io (	3523	$BDB_POLL_WATCHER = Event->io (
2864	reentrant => 0,	3524	reentrant => 0,
2865	fd => BDB::poll_fileno,	3525	fd => BDB::poll_fileno,
2866	poll => 'r',	3526	poll => 'r',
2867	prio => 0,	3527	prio => 0,
2868	data => WF_AUTOCANCEL,	3528	data => WF_AUTOCANCEL,
2869	cb => \&BDB::poll_cb,	3529	cb => \&BDB::poll_cb,
2870	);	3530	);
2871	BDB::min_parallel 8;
2872		3531
2873	BDB::set_sync_prepare {	3532	BDB::set_sync_prepare {
2874	my $status;	3533	my $status;
2875	my $current = $Coro::current;	3534	my $current = $Coro::current;
2876	(	3535	(
…		…
2885	)	3544	)
2886	};	3545	};
2887		3546
2888	unless ($DB_ENV) {	3547	unless ($DB_ENV) {
2889	$DB_ENV = BDB::db_env_create;	3548	$DB_ENV = BDB::db_env_create;
		3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3550	| BDB::LOG_AUTOREMOVE, 1);
		3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2890		3553
2891	cf::sync_job {	3554	cf::sync_job {
2892	eval {	3555	eval {
2893	BDB::db_env_open	3556	BDB::db_env_open
2894	$DB_ENV,	3557	$DB_ENV,
…		…
2896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2898	0666;	3561	0666;
2899		3562
2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3563	cf::cleanup "db_env_open($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	};	3564	};
2905		3565
2906	cf::cleanup "db_env_open(db): $@" if $@;	3566	cf::cleanup "db_env_open(db): $@" if $@;
2907	};	3567	};
2908	}	3568	}
		3569
		3570	$BDB_DEADLOCK_WATCHER = Event->timer (
		3571	after => 3,
		3572	interval => 1,
		3573	hard => 1,
		3574	prio => 0,
		3575	data => WF_AUTOCANCEL,
		3576	cb => sub {
		3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3578	},
		3579	);
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
2909	}	3600	}
2910		3601
2911	{	3602	{
2912	IO::AIO::min_parallel 8;	3603	IO::AIO::min_parallel 8;
2913		3604
…		…
2921	prio => 6,	3612	prio => 6,
2922	cb => \&IO::AIO::poll_cb,	3613	cb => \&IO::AIO::poll_cb,
2923	);	3614	);
2924	}	3615	}
2925		3616
		3617	my $_log_backtrace;
		3618
		3619	sub _log_backtrace {
		3620	my ($msg, @addr) = @_;
		3621
		3622	$msg =~ s/\n//;
		3623
		3624	# limit the # of concurrent backtraces
		3625	if ($_log_backtrace < 2) {
		3626	++$_log_backtrace;
		3627	async {
		3628	my @bt = fork_call {
		3629	@addr = map { sprintf "%x", $_ } @addr;
		3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3632	or die "addr2line: $!";
		3633
		3634	my @funcs;
		3635	my @res = <$fh>;
		3636	chomp for @res;
		3637	while (@res) {
		3638	my ($func, $line) = splice @res, 0, 2, ();
		3639	push @funcs, "[$func] $line";
		3640	}
		3641
		3642	@funcs
		3643	};
		3644
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] $_\n" for @bt;
		3647	--$_log_backtrace;
		3648	};
		3649	} else {
		3650	LOG llevInfo, "[ABT] $msg\n";
		3651	LOG llevInfo, "[ABT] [suppressed]\n";
		3652	}
		3653	}
		3654
2926	# load additional modules	3655	# load additional modules
2927	use cf::pod;	3656	use cf::pod;
2928		3657
2929	END { cf::emergency_save }	3658	END { cf::emergency_save }
2930		3659

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