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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 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 $runtime = "$LOCALDIR/runtime";
373		483
374	# first touch the runtime file to show we are still running:	484	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	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.
376		488
377	warn "touching runtime...\n";#d#	489	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	490
379	utime undef, undef, $fh;	491	sub fork_call(&@) {
		492	my ($cb, @args) = @_;
		493
		494	# we seemingly have to make a local copy of the whole thing,
		495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
		497
		498	my @res = Coro::Util::fork_eval {
		499	reset_signals;
		500	&$cb
		501	}, @args;
		502
		503	wantarray ? @res : $res[-1]
		504	}
		505
		506	=item $value = cf::db_get $family => $key
		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 $!;
380	}	533	};
		534	cf::cleanup "db_open(db): $@" if $@;
381		535
382	my $guard = cf::lock_acquire "write_runtime";	536	$db
		537	}
383		538
384	warn "starting to write runtime...\n";#d#	539	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		540
388	my $value = $cf::RUNTIME + 90 + 10;	541	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	542	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	543	$DB ||= db_table "db";
		544	};
		545	}
391		546
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	sub db_get($$) {
393	and return;	548	my $key = "$_[0]/$_[1]";
394		549
395	# always fsync - this file is important	550	cf::sync_job {
396	aio_fsync $fh	551	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		552
399	# touch it again to show we are up-to-date	553	$! ? ()
400	utime undef, undef, $fh;	554	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	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"
411	}	631	}
412		632
413	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
414		634
415	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.
…		…
433	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")
434	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
435		655
436	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>
437	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
438	crossfire+).	658	Crossfire TRT).
439		659
440	=over 4	660	=over 4
441		661
442	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
443		663
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
607		827
608	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		832
613	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	834	my $pkg = shift @arg;
615		835
616	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
646	}	866	}
647		867
648	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
649	} else {	869	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	871	}
652		872
653	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
654	}	874	}
655		875
…		…
657	if (ref $_[0]) {	877	if (ref $_[0]) {
658	_object_attach @_;	878	_object_attach @_;
659	} else {	879	} else {
660	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
661	}	881	}
		882	_recalc_want;
662	};	883	};
663		884
664	# all those should be optimised	885	# all those should be optimised
665	sub cf::attachable::detach {	886	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
670	reattach ($obj);	891	reattach ($obj);
671	} else {	892	} else {
672	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
673	}	894	}
		895	_recalc_want;
674	};	896	};
675		897
676	sub cf::attachable::attached {	898	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
678		900
…		…
693	";	915	";
694	die if $@;	916	die if $@;
695	}	917	}
696		918
697	our $override;	919	our $override;
698	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?
699		921
700	sub override {	922	sub override {
701	$override = 1;	923	$override = 1;
702	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
703	}	925	}
704		926
705	sub do_invoke {	927	sub do_invoke {
706	my $event = shift;	928	my $event = shift;
707	my $callbacks = shift;	929	my $callbacks = shift;
708		930
709	@invoke_results = ();	931	@INVOKE_RESULTS = ();
710		932
711	local $override;	933	local $override;
712		934
713	for (@$callbacks) {	935	for (@$callbacks) {
714	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
731		953
732	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
733		955
734	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
735	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
736	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		959
738	=back	960	=back
739		961
740	=cut	962	=cut
741		963
742	#############################################################################	964	#############################################################################
743	# 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	}
744		977
745	sub reattach {	978	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	980	my ($obj) = @_;
748		981
…		…
793	);	1026	);
794		1027
795	sub object_freezer_save {	1028	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
797		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
798	sync_job {	1033	sync_job {
799	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
802		1038
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
825	}	1061	}
826	} else {	1062	} else {
827	aio_unlink $filename;	1063	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
829	}	1065	}
830	}	1066	};
		1067
		1068	undef $guard;
831	}	1069	}
832		1070
833	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
835		1073
…		…
840		1078
841	sub object_thawer_load {	1079	sub object_thawer_load {
842	my ($filename) = @_;	1080	my ($filename) = @_;
843		1081
844	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
845		1085
846	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
847	or return;	1087	or return;
848		1088
849	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
851	or return;	1091	or return;
		1092
		1093	undef $guard;
852	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
853	}	1095	}
854		1096
		1097	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
857	return ($data, $av);	1101	($data, $av)
858	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
859		1109
860	#############################################################################	1110	#############################################################################
861	# command handling &c	1111	# command handling &c
862		1112
863	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1127	}
878		1128
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1130
881	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
882		1136
883	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
884	called.	1138	called.
885		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
886	=cut	1151	=cut
887		1152
888	sub register_extcmd {	1153	sub register_extcmd {
889	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
890		1155
891	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
892	}	1163	}
893		1164
894	cf::player->attach (	1165	cf::player->attach (
895	on_command => sub {	1166	on_command => sub {
896	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1176	cf::override;
906	},	1177	},
907	on_extcmd => sub {	1178	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
909		1180
910	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1182
912	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
918	} else {	1198	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1200	}
921		1201
922	cf::override;	1202	cf::override;
923	},	1203	},
924	);	1204	);
925		1205
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
961	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1211	next unless -r $path;
963	eval {	1212
964	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
965	1	1270	}
966	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
967	}	1276	};
968	}	1277	}
969		1278
970	#############################################################################	1279	#############################################################################
971		1280
		1281	=back
		1282
972	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
973		1284
974	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
975		1286
976	=cut	1287	=cut
…		…
980	use Coro::AIO;	1291	use Coro::AIO;
981		1292
982	=head3 cf::player	1293	=head3 cf::player
983		1294
984	=over 4	1295	=over 4
		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
985		1310
986	=item cf::player::find $login	1311	=item cf::player::find $login
987		1312
988	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
989		1314
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1354
1030	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1356	or return;
		1357
		1358	$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;
1032	$cf::PLAYER{$login} = $pl	1363	$cf::PLAYER{$login} = $pl
1033	}	1364	}
1034	}	1365	}
1035	}	1366	}
1036		1367
…		…
1046		1377
1047	aio_mkdir playerdir $pl, 0770;	1378	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1379	$pl->{last_save} = $cf::RUNTIME;
1049		1380
1050	$pl->save_pl ($path);	1381	$pl->save_pl ($path);
1051	Coro::cede;	1382	cf::cede_to_tick;
1052	}	1383	}
1053		1384
1054	sub new($) {	1385	sub new($) {
1055	my ($login) = @_;	1386	my ($login) = @_;
1056		1387
…		…
1060	$self->{deny_save} = 1;	1391	$self->{deny_save} = 1;
1061		1392
1062	$cf::PLAYER{$login} = $self;	1393	$cf::PLAYER{$login} = $self;
1063		1394
1064	$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 (@_);
1065	}	1406	}
1066		1407
1067	=item $pl->quit_character	1408	=item $pl->quit_character
1068		1409
1069	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
…		…
1124	or return [];	1465	or return [];
1125		1466
1126	my @logins;	1467	my @logins;
1127		1468
1128	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") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1475	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1476	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1477	}
1132		1478
1133	utf8::decode $login;	1479	utf8::decode $login;
1134	push @logins, $login;	1480	push @logins, $login;
1135	}	1481	}
1136		1482
…		…
1163	}	1509	}
1164		1510
1165	\@paths	1511	\@paths
1166	}	1512	}
1167		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
1168	=item $player->ext_reply ($msgid, %msg)	1565	=item $player->ext_reply ($msgid, @msg)
1169		1566
1170	Sends an ext reply to the player.	1567	Sends an ext reply to the player.
1171		1568
1172	=cut	1569	=cut
1173		1570
1174	sub ext_reply($$%) {	1571	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1572	my ($self, $id, @msg) = @_;
1176		1573
1177	$msg{msgid} = $id;	1574	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1575	}
1181		1576
1182	=item $player->ext_event ($type, %msg)	1577	=item $player->ext_msg ($type, @msg)
1183		1578
1184	Sends an ext event to the client.	1579	Sends an ext event to the client.
1185		1580
1186	=cut	1581	=cut
1187		1582
1188	sub ext_event($$%) {	1583	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1584	my ($self, $type, @msg) = @_;
1190		1585
1191	$self->ns->ext_event ($type, %msg);	1586	$self->ns->ext_msg ($type, @msg);
1192	}	1587	}
1193		1588
1194	=head3 cf::region	1589	=head3 cf::region
1195		1590
1196	=over 4	1591	=over 4
…		…
1199		1594
1200	package cf::region;	1595	package cf::region;
1201		1596
1202	=item cf::region::find_by_path $path	1597	=item cf::region::find_by_path $path
1203		1598
1204	Tries to decuce the probable region for a map knowing only its path.	1599	Tries to decuce the likely region for a map knowing only its path.
1205		1600
1206	=cut	1601	=cut
1207		1602
1208	sub find_by_path($) {	1603	sub find_by_path($) {
1209	my ($path) = @_;	1604	my ($path) = @_;
1210		1605
1211	my ($match, $specificity);	1606	my ($match, $specificity);
1212		1607
1213	for my $region (list) {	1608	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1609	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1610	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1611	if $region->specificity > $specificity;
1217	}	1612	}
1218	}	1613	}
1219		1614
…		…
1283	my ($self, $merge) = @_;	1678	my ($self, $merge) = @_;
1284		1679
1285	# we have to keep some variables in memory intact	1680	# we have to keep some variables in memory intact
1286	local $self->{path};	1681	local $self->{path};
1287	local $self->{load_path};	1682	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1683
1291	$self->SUPER::thawer_merge ($merge);	1684	$self->SUPER::thawer_merge ($merge);
1292	}	1685	}
1293		1686
1294	sub normalise {	1687	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1734	$self->init; # pass $1 etc.
1342	return $self;	1735	return $self;
1343	}	1736	}
1344	}	1737	}
1345		1738
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1739	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1740	()
1348	}	1741	}
1349		1742
1350	sub init {	1743	sub init {
1351	my ($self) = @_;	1744	my ($self) = @_;
…		…
1394		1787
1395	$_->change_map_light ($change)	1788	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1789	for grep $_->outdoor, values %cf::MAP;
1397	}	1790	}
1398		1791
		1792	sub decay_objects {
		1793	my ($self) = @_;
		1794
		1795	return if $self->{deny_reset};
		1796
		1797	$self->do_decay_objects;
		1798	}
		1799
1399	sub unlink_save {	1800	sub unlink_save {
1400	my ($self) = @_;	1801	my ($self) = @_;
1401		1802
1402	utf8::encode (my $save = $self->save_path);	1803	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1807
1407	sub load_header_from($) {	1808	sub load_header_from($) {
1408	my ($self, $path) = @_;	1809	my ($self, $path) = @_;
1409		1810
1410	utf8::encode $path;	1811	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1812	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	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;
1416		1820
1417	$self->{load_path} = $path;	1821	$self->{load_path} = $path;
1418		1822
1419	1	1823	1
1420	}	1824	}
…		…
1459	$self->load_header_orig	1863	$self->load_header_orig
1460	or return;	1864	or return;
1461	$self->prepare_orig;	1865	$self->prepare_orig;
1462	}	1866	}
1463		1867
		1868	$self->{deny_reset} = 1
		1869	if $self->no_reset;
		1870
1464	$self->default_region (cf::region::find_by_path $self->{path})	1871	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1872	unless $self->default_region;
1466		1873
1467	1	1874	1
1468	}	1875	}
…		…
1471	sub find {	1878	sub find {
1472	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1473		1880
1474	$path = normalise $path, $origin && $origin->path;	1881	$path = normalise $path, $origin && $origin->path;
1475		1882
		1883	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1884	cf::lock_wait "map_find:$path";
1477		1885
1478	$cf::MAP{$path} || do {	1886	$cf::MAP{$path} || do {
1479	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
1480	my $map = new_from_path cf::map $path	1890	my $map = new_from_path cf::map $path
1481	or return;	1891	or return;
1482		1892
1483	$map->{last_save} = $cf::RUNTIME;	1893	$map->{last_save} = $cf::RUNTIME;
1484		1894
1485	$map->load_header	1895	$map->load_header
1486	or return;	1896	or return;
1487		1897
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1899	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1900	#$cf::WAIT_FOR_TICK->wait;
		1901	undef $guard1;
		1902	undef $guard2;
1491	$map->reset;	1903	$map->reset;
1492	undef $guard;
1493	return find $path;	1904	return find $path;
1494	}	1905	}
1495		1906
1496	$cf::MAP{$path} = $map	1907	$cf::MAP{$path} = $map
1497	}	1908	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	1917	local $self->{deny_reset} = 1; # loading can take a long time
1507		1918
1508	my $path = $self->{path};	1919	my $path = $self->{path};
1509		1920
1510	{	1921	{
1511	my $guard = cf::lock_acquire "map_load:$path";	1922	my $guard = cf::lock_acquire "map_data:$path";
1512		1923
		1924	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	1925	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		1926
1515	$self->in_memory (cf::MAP_LOADING);	1927	$self->in_memory (cf::MAP_LOADING);
1516		1928
1517	$self->alloc;	1929	$self->alloc;
1518		1930
1519	$self->pre_load;	1931	$self->pre_load;
1520	Coro::cede;	1932	cf::cede_to_tick;
1521		1933
		1934	my $f = new_from_file cf::object::thawer $self->{load_path};
		1935	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	1936	$self->_load_objects ($f)
1523	or return;	1937	or return;
1524		1938
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526	if delete $self->{load_original};	1940	if delete $self->{load_original};
1527		1941
1528	if (my $uniq = $self->uniq_path) {	1942	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	1943	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	1944	unless (aio_stat $uniq) {
		1945	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	1946	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	1947	$self->_load_objects ($f);
		1948	$f->resolve_delayed_derefs;
		1949	}
1533	}	1950	}
1534	}	1951	}
1535		1952
1536	Coro::cede;	1953	$f->resolve_delayed_derefs;
		1954
		1955	cf::cede_to_tick;
1537	# now do the right thing for maps	1956	# now do the right thing for maps
1538	$self->link_multipart_objects;	1957	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	1958	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	1959	unless $self->difficulty;
1541	Coro::cede;	1960	cf::cede_to_tick;
1542		1961
1543	unless ($self->{deny_activate}) {	1962	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	1963	$self->decay_objects;
1545	$self->fix_auto_apply;	1964	$self->fix_auto_apply;
1546	$self->update_buttons;	1965	$self->update_buttons;
1547	Coro::cede;	1966	cf::cede_to_tick;
1548	$self->set_darkness_map;	1967	$self->set_darkness_map;
1549	Coro::cede;	1968	cf::cede_to_tick;
1550	$self->activate;	1969	$self->activate;
1551	}	1970	}
		1971
		1972	$self->{last_save} = $cf::RUNTIME;
		1973	$self->last_access ($cf::RUNTIME);
1552		1974
1553	$self->in_memory (cf::MAP_IN_MEMORY);	1975	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	1976	}
1555		1977
1556	$self->post_load;	1978	$self->post_load;
…		…
1560	my ($self, $ob) = @_;	1982	my ($self, $ob) = @_;
1561		1983
1562	return find "~" . $ob->name . "/" . $self->{path}	1984	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1985	if $self->per_player;
1564		1986
		1987	# return find "?party/" . $ob->name . "/" . $self->{path}
		1988	# if $self->per_party;
		1989
1565	$self	1990	$self
1566	}	1991	}
1567		1992
1568	# find and load all maps in the 3x3 area around a map	1993	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1994	sub load_neighbours {
1570	my ($map) = @_;	1995	my ($map) = @_;
1571		1996
1572	my @diag; # diagonal neighbours	1997	my @neigh; # diagonal neighbours
1573		1998
1574	for (0 .. 3) {	1999	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2000	my $neigh = $map->tile_path ($_)
1576	or next;	2001	or next;
1577	$neigh = find $neigh, $map	2002	$neigh = find $neigh, $map
1578	or next;	2003	or next;
1579	$neigh->load;	2004	$neigh->load;
1580		2005
		2006	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2009	}
1584		2010
1585	for (@diag) {	2011	for (grep defined $_->[0], @neigh) {
		2012	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2013	my $neigh = find $path, $origin
1587	or next;	2014	or next;
1588	$neigh->load;	2015	$neigh->load;
1589	}	2016	}
1590	}	2017	}
1591		2018
…		…
1596	}	2023	}
1597		2024
1598	sub do_load_sync {	2025	sub do_load_sync {
1599	my ($map) = @_;	2026	my ($map) = @_;
1600		2027
		2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2029	if $Coro::current == $Coro::main;
		2030
1601	cf::sync_job { $map->load };	2031	cf::sync_job { $map->load };
1602	}	2032	}
1603		2033
1604	our %MAP_PREFETCH;	2034	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2035	our $MAP_PREFETCHER = undef;
1606		2036
1607	sub find_async {	2037	sub find_async {
1608	my ($path, $origin) = @_;	2038	my ($path, $origin, $load) = @_;
1609		2039
1610	$path = normalise $path, $origin && $origin->{path};	2040	$path = normalise $path, $origin && $origin->{path};
1611		2041
1612	if (my $map = $cf::MAP{$path}) {	2042	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614	}	2044	}
1615		2045
1616	undef $MAP_PREFETCH{$path};	2046	$MAP_PREFETCH{$path} |= $load;
		2047
1617	$MAP_PREFETCHER ||= cf::async {	2048	$MAP_PREFETCHER ||= cf::async {
1618	while (%MAP_PREFETCH) {	2049	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2050	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2051	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2052	$map->load if $v;
		2053	}
1623		2054
1624	delete $MAP_PREFETCH{$path};	2055	delete $MAP_PREFETCH{$k};
1625	}	2056	}
1626	}	2057	}
1627	undef $MAP_PREFETCHER;	2058	undef $MAP_PREFETCHER;
1628	};	2059	};
1629	$MAP_PREFETCHER->prio (6);	2060	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2063	}
1633		2064
1634	sub save {	2065	sub save {
1635	my ($self) = @_;	2066	my ($self) = @_;
1636		2067
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2069
1639	$self->{last_save} = $cf::RUNTIME;	2070	$self->{last_save} = $cf::RUNTIME;
1640		2071
1641	return unless $self->dirty;	2072	return unless $self->dirty;
1642		2073
…		…
1665	my ($self) = @_;	2096	my ($self) = @_;
1666		2097
1667	# save first because save cedes	2098	# save first because save cedes
1668	$self->save;	2099	$self->save;
1669		2100
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2102
1672	return if $self->players;	2103	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};	2105	return if $self->{deny_save};
1675		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2111	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2112	}
1679		2113
1680	sub reset_at {	2114	sub reset_at {
1681	my ($self) = @_;	2115	my ($self) = @_;
1682		2116
1683	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1686		2119
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2122
…		…
1700	my ($self) = @_;	2133	my ($self) = @_;
1701		2134
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2136
1704	return if $self->players;	2137	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2138
1707	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1708		2140
1709	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1710		2142
1711	# need to save uniques path	2143	# need to save uniques path
1712	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2148	if $uniq;
1717	}	2149	}
1718		2150
1719	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1720		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2155	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2156
1725	$self->unlink_save;	2157	$self->unlink_save;
1726	$self->destroy;	2158	$self->destroy;
1727	}	2159	}
1728		2160
1729	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1730		2162
1731	sub nuke {	2163	sub nuke {
1732	my ($self) = @_;	2164	my ($self) = @_;
1733		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1734	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1735		2170
1736	$self->unlink_save;	2171	$self->unlink_save;
1737		2172
1738	bless $self, "cf::map";	2173	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2178
1744	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1745		2181
1746	$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	]
1747	}	2219	}
1748		2220
1749	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1750		2222
1751	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2224	instantiated unique items. May block.
1753		2225
1754	=cut	2226	=cut
1755		2227
1756	sub unique_maps() {	2228	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2229	[
1758	or return;	2230	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2231	utf8::decode $_;
1764	next if /\.pst$/;	2232	/\.map$/
1765	next unless /^$PATH_SEP/o;	2233	? normalise $_
1766		2234	: ()
1767	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2236	]
1769
1770	\@paths
1771	}	2237	}
1772		2238
1773	package cf;	2239	package cf;
1774		2240
1775	=back	2241	=back
…		…
1793	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1794	}	2260	}
1795		2261
1796	sub inv_recursive {	2262	sub inv_recursive {
1797	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	}
1798	}	2295	}
1799		2296
1800	package cf;	2297	package cf;
1801		2298
1802	=back	2299	=back
…		…
1821		2318
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2319	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2320
1824	if ($self->{record_replies}) {	2321	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2322	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2323
1826	} 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 {
1827	$msg = $npc->name . " says: $msg" if $npc;	2332	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2333	$self->message ($msg, $flags);
		2334	}
1829	}	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 (@_);
1830	}	2346	}
1831		2347
1832	=item $player_object->may ("access")	2348	=item $player_object->may ("access")
1833		2349
1834	Returns wether the given player is authorized to access resource "access"	2350	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2397	$self->deactivate_recursive;
1882		2398
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2399	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2400
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2402	if $self->map && $self->map->{path} ne "{link}";
1887		2403
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2405	}
1890		2406
1891	sub cf::object::player::leave_link {	2407	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2408	my ($self, $map, $x, $y) = @_;
		2409
		2410	return unless $self->contr->active;
1893		2411
1894	my $link_pos = delete $self->{_link_pos};	2412	my $link_pos = delete $self->{_link_pos};
1895		2413
1896	unless ($map) {	2414	unless ($map) {
1897	# restore original map position	2415	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2429	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2430	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2431	if $x <=0 && $y <= 0;
1914		2432
1915	$map->load;	2433	$map->load;
1916	$map->load_diag;	2434	$map->load_neighbours;
1917		2435
1918	return unless $self->contr->active;	2436	return unless $self->contr->active;
1919	$self->activate_recursive;	2437	$self->activate_recursive;
1920		2438
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2440	$self->enter_map ($map, $x, $y);
1923	}	2441	}
1924		2442
1925	cf::player->attach (	2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2444
1929	# abort map switching before logout	2445	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2446	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2447	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2448	the new (success) or old (failed) map position. In either case, $done will
1933	};	2449	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2450
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2451	=cut
		2452
		2453	our $GOTOGEN;
1960		2454
1961	sub cf::object::player::goto {	2455	sub cf::object::player::goto {
1962	my ($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;
1963		2460
1964	$self->enter_link;	2461	$self->enter_link;
1965		2462
1966	(async {	2463	(async {
		2464	# *tag paths override both path and x|y
		2465	if ($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
1967	my $map = eval {	2483	my $map = eval {
1968	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1969	$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
1970	$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 $@;
1971	} or	2499	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1975	})->prio (1);	2507	})->prio (1);
1976	}	2508	}
1977		2509
1978	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1979		2511
…		…
2048	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
2050		2582
2051	$self->enter_link;	2583	$self->enter_link;
2052		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
2053	(async {	2589	(async {
2054	$self->deactivate_recursive; # just to be sure	2590	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2591	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2592	$self->goto ($slaying, $hp, $sp);
2057		2593
…		…
2084		2620
2085	utf8::encode $text;	2621	utf8::encode $text;
2086	$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);
2087	}	2623	}
2088		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
2089	=item $client->ext_event ($type, %msg)	2706	=item $client->ext_msg ($type, @msg)
2090		2707
2091	Sends an exti event to the client.	2708	Sends an ext event to the client.
2092		2709
2093	=cut	2710	=cut
2094		2711
2095	sub cf::client::ext_event($$%) {	2712	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2713	my ($self, $type, @msg) = @_;
2097		2714
		2715	if ($self->extcmd == 2) {
		2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2717	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2718	push @msg, msgtype => "event_$type";
2099	$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	}
2100	}	2739	}
2101		2740
2102	=item $success = $client->query ($flags, "text", \&cb)	2741	=item $success = $client->query ($flags, "text", \&cb)
2103		2742
2104	Queues a query to the client, calling the given callback with	2743	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2744	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2745	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2746
2108	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
2109	reliable at some point in the future.	2748	become reliable at some point in the future.
2110		2749
2111	=cut	2750	=cut
2112		2751
2113	sub cf::client::query {	2752	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2753	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2761	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2762	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2763
2125	$self->send_packet ($self->{query_queue}[0][0])	2764	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2765	if @{ $self->{query_queue} } == 1;
		2766
		2767	1
2127	}	2768	}
2128		2769
2129	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	},
2130	on_reply => sub {	2776	on_reply => sub {
2131	my ($ns, $msg) = @_;	2777	my ($ns, $msg) = @_;
2132		2778
2133	# this weird shuffling is so that direct followup queries	2779	# this weird shuffling is so that direct followup queries
2134	# get handled first	2780	# get handled first
…		…
2146	} else {	2792	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2793	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2794	}
2149	}	2795	}
2150	},	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	},
2151	);	2823	);
2152		2824
2153	=item $client->async (\&cb)	2825	=item $client->async (\&cb)
2154		2826
2155	Create a new coroutine, running the specified callback. The coroutine will	2827	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	2868	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	2869	our $safe_hole = new Safe::Hole;
2198		2870
2199	$SIG{FPE} = 'IGNORE';	2871	$SIG{FPE} = 'IGNORE';
2200		2872
2201	$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	));
2202		2878
2203	# here we export the classes and methods available to script code	2879	# here we export the classes and methods available to script code
2204		2880
2205	=pod	2881	=pod
2206		2882
2207	The following functions and methods are available within a safe environment:	2883	The following functions and methods are available within a safe environment:
2208		2884
2209	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
2210	cf::object::player player	2889	cf::object::player
2211	cf::player peaceful	2890	player
2212	cf::map trigger	2891
		2892	cf::player
		2893	peaceful
		2894
		2895	cf::map
		2896	trigger
2213		2897
2214	=cut	2898	=cut
2215		2899
2216	for (	2900	for (
2217	["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)],
2218	["cf::object::player" => qw(player)],	2904	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2905	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2906	["cf::map" => qw(trigger)],
2221	) {	2907	) {
2222	no strict 'refs';	2908	no strict 'refs';
…		…
2293	=back	2979	=back
2294		2980
2295	=cut	2981	=cut
2296		2982
2297	#############################################################################	2983	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2984	# the server's init and main functions
2473		2985
2474	sub load_facedata($) {	2986	sub load_facedata($) {
2475	my ($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;
2476		2994
2477	warn "loading facedata from $path\n";	2995	warn "loading facedata from $path\n";
2478		2996
2479	my $facedata;	2997	my $facedata;
2480	0 < aio_load $path, $facedata	2998	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3001	$facedata = Coro::Storable::thaw $facedata;
2484		3002
2485	$facedata->{version} == 2	3003	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3004	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		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
2488	{	3013	{
2489	my $faces = $facedata->{faceinfo};	3014	my $faces = $facedata->{faceinfo};
2490		3015
2491	while (my ($face, $info) = each %$faces) {	3016	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3018	cf::face::set_visibility $idx, $info->{visibility};
		3019	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3022
		3023	cf::cede_to_tick;
2497	}	3024	}
2498		3025
2499	while (my ($face, $info) = each %$faces) {	3026	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3027	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	3028	my $idx = cf::face::find $face
2502	or next;	3029	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3030	if (my $smooth = cf::face::find $info->{smooth}) {
		3031	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3033	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3034	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3035	}
2508	Coro::cede;	3036
		3037	cf::cede_to_tick;
2509	}	3038	}
2510	}	3039	}
2511		3040
2512	{	3041	{
2513	my $anims = $facedata->{animinfo};	3042	my $anims = $facedata->{animinfo};
2514		3043
2515	while (my ($anim, $info) = each %$anims) {	3044	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3045	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3046	cf::cede_to_tick;
2518	}	3047	}
2519		3048
2520	cf::anim::invalidate_all; # d'oh	3049	cf::anim::invalidate_all; # d'oh
2521	}	3050	}
2522		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 => $face;
		3097	}
		3098	}
		3099	}
		3100
2523	1	3101	1
2524	}	3102	}
2525		3103
		3104	register_exticmd fx_want => sub {
		3105	my ($ns, $want) = @_;
		3106
		3107	while (my ($k, $v) = each %$want) {
		3108	$ns->fx_want ($k, $v);
		3109	}
		3110	};
		3111
2526	sub reload_regions {	3112	sub reload_regions {
		3113	# HACK to clear player env face cache, we need some signal framework
		3114	# for this (global event?)
		3115	%ext::player_env::MUSIC_FACE_CACHE = ();
		3116
2527	load_resource_file "$MAPDIR/regions"	3117	load_resource_file "$MAPDIR/regions"
2528	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 $_->{match};
		3123	}
2529	}	3124	}
2530		3125
2531	sub reload_facedata {	3126	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3127	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3128	or die "unable to load facedata\n";
2534	}	3129	}
2535		3130
2536	sub reload_archetypes {	3131	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	3132	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	3133	or die "unable to load archetypes\n";
		3134	#d# NEED to laod twice to resolve forward references
		3135	# this really needs to be done in an extra post-pass
		3136	# (which needs to be synchronous, so solve it differently)
		3137	load_resource_file "$DATADIR/archetypes"
		3138	or die "unable to load archetypes\n";
2539	}	3139	}
2540		3140
2541	sub reload_treasures {	3141	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3142	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3143	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	3146	sub reload_resources {
2547	warn "reloading resource files...\n";	3147	warn "reloading resource files...\n";
2548		3148
2549	reload_regions;	3149	reload_regions;
2550	reload_facedata;	3150	reload_facedata;
		3151	#reload_archetypes;#d#
2551	reload_archetypes;	3152	reload_archetypes;
2552	reload_treasures;	3153	reload_treasures;
2553		3154
2554	warn "finished reloading resource files\n";	3155	warn "finished reloading resource files\n";
2555	}	3156	}
2556		3157
2557	sub init {	3158	sub init {
2558	reload_resources;	3159	reload_resources;
2559	}	3160	}
2560		3161
2561	sub cfg_load {	3162	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3163	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3164	or return;
2564		3165
2565	local $/;	3166	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3167	*CFG = YAML::Syck::Load <$fh>;
…		…
2586	(async {	3187	(async {
2587	Event::one_event;	3188	Event::one_event;
2588	})->prio (Coro::PRIO_MAX);	3189	})->prio (Coro::PRIO_MAX);
2589	};	3190	};
2590		3191
2591	cfg_load;	3192	reload_config;
2592	db_init;	3193	db_init;
2593	load_extensions;	3194	load_extensions;
2594		3195
2595	$TICK_WATCHER->start;	3196	$TICK_WATCHER->start;
2596	Event::loop;	3197	Event::loop;
…		…
2612	},	3213	},
2613	);	3214	);
2614	}	3215	}
2615	}	3216	}
2616		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
2617	sub emergency_save() {	3256	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3257	my $freeze_guard = cf::freeze_mainloop;
2619		3258
2620	warn "enter emergency perl save\n";	3259	warn "enter emergency perl save\n";
2621		3260
…		…
2696	%EXT_CORO = ();	3335	%EXT_CORO = ();
2697		3336
2698	warn "removing commands";	3337	warn "removing commands";
2699	%COMMAND = ();	3338	%COMMAND = ();
2700		3339
2701	warn "removing ext commands";	3340	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3341	%EXTCMD = ();
		3342	%EXTICMD = ();
2703		3343
2704	warn "unloading/nuking all extensions";	3344	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3345	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3346	warn "... unloading $pkg";
2707		3347
…		…
2750	warn "reloading cf.pm";	3390	warn "reloading cf.pm";
2751	require cf;	3391	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3393
2754	warn "loading config and database again";	3394	warn "loading config and database again";
2755	cf::cfg_load;	3395	cf::reload_config;
2756		3396
2757	warn "loading extensions";	3397	warn "loading extensions";
2758	cf::load_extensions;	3398	cf::load_extensions;
2759		3399
2760	warn "reattaching attachments to objects/players";	3400	warn "reattaching attachments to objects/players";
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3479	unless ++$bug_warning > 10;
2840	return;	3480	return;
2841	}	3481	}
2842		3482
2843	$NOW = Event::time;	3483	$NOW = $tick_start = Event::time;
2844		3484
2845	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
2846		3486
2847	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
…		…
2853	write_runtime	3493	write_runtime
2854	or warn "ERROR: unable to write runtime file: $!";	3494	or warn "ERROR: unable to write runtime file: $!";
2855	};	3495	};
2856	}	3496	}
2857		3497
2858	# my $AFTER = Event::time;	3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2859	# 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;
2860		3506
2861	# 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
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3509
2864	$TICK_WATCHER->at ($NEXT_TICK);	3510	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3511	$TICK_WATCHER->start;
2866		3512
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3513	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3515
2874	_post_tick;	3516	_post_tick;
2875	},	3517	},
2876	);	3518	);
2877		3519
2878	{	3520	{
		3521	BDB::min_parallel 8;
2879	BDB::max_poll_time $TICK * 0.1;	3522	BDB::max_poll_time $TICK * 0.1;
2880	$BDB_POLL_WATCHER = Event->io (	3523	$BDB_POLL_WATCHER = Event->io (
2881	reentrant => 0,	3524	reentrant => 0,
2882	fd => BDB::poll_fileno,	3525	fd => BDB::poll_fileno,
2883	poll => 'r',	3526	poll => 'r',
2884	prio => 0,	3527	prio => 0,
2885	data => WF_AUTOCANCEL,	3528	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,	3529	cb => \&BDB::poll_cb,
2887	);	3530	);
2888	BDB::min_parallel 8;
2889		3531
2890	BDB::set_sync_prepare {	3532	BDB::set_sync_prepare {
2891	my $status;	3533	my $status;
2892	my $current = $Coro::current;	3534	my $current = $Coro::current;
2893	(	3535	(
…		…
2902	)	3544	)
2903	};	3545	};
2904		3546
2905	unless ($DB_ENV) {	3547	unless ($DB_ENV) {
2906	$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);
2907		3553
2908	cf::sync_job {	3554	cf::sync_job {
2909	eval {	3555	eval {
2910	BDB::db_env_open	3556	BDB::db_env_open
2911	$DB_ENV,	3557	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3561	0666;
2916		3562
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3563	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3564	};
2922		3565
2923	cf::cleanup "db_env_open(db): $@" if $@;	3566	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3567	};
2925	}	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	);
2926	}	3600	}
2927		3601
2928	{	3602	{
2929	IO::AIO::min_parallel 8;	3603	IO::AIO::min_parallel 8;
2930		3604

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