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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.254 by root, Thu Apr 19 11:12:45 2007 UTC vs.
Revision 1.370 by root, Thu Sep 13 10:59:41 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_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	87	our $DB_ENV;
82		88
83	our %CFG;	89	our %CFG;
84		90
85	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	92	our $RUNTIME;
87		93
88	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
91		97
92	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
94		104
95	binmode STDOUT;	105	binmode STDOUT;
96	binmode STDERR;	106	binmode STDERR;
97		107
98	# read virtual server time, if available	108	# read virtual server time, if available
…		…
139		149
140	=item $cf::TICK	150	=item $cf::TICK
141		151
142	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
143		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
		163
144	=item %cf::CFG	164	=item %cf::CFG
145		165
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	167	from wherever your confdir points to.
148		168
…		…
150		170
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	171	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	172	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.	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
		180
155	=back	181	=back
156		182
157	=cut	183	=cut
158		184
159	BEGIN {	185	BEGIN {
…		…
161	my $msg = join "", @_;	187	my $msg = join "", @_;
162		188
163	$msg .= "\n"	189	$msg .= "\n"
164	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
165		191
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		193
168	utf8::encode $msg;
169	LOG llevError, $msg;	194	LOG llevError, $msg;
170	};	195	};
171	}	196	}
172		197
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		205
180	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	207	# within the Safe compartment.
182	for my $pkg (qw(	208	for my $pkg (qw(
183	cf::global cf::attachable	209	cf::global cf::attachable
…		…
191	}	217	}
192		218
193	$Event::DIED = sub {	219	$Event::DIED = sub {
194	warn "error in event callback: @_";	220	warn "error in event callback: @_";
195	};	221	};
		222
		223	#############################################################################
196		224
197	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
198		226
199	=over 4	227	=over 4
200		228
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	248	$d
221	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
222	}	250	}
223		251
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
227		253
228	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
229		255
230	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
231		257
232	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
		259
		260	=cut
		261
		262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		263
		264	sub to_json ($) { $json_coder->encode ($_[0]) }
		265	sub from_json ($) { $json_coder->decode ($_[0]) }
233		266
234	=item cf::lock_wait $string	267	=item cf::lock_wait $string
235		268
236	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
237		270
…		…
240	Wait until the given lock is available and then acquires it and returns	273	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,	274	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	275	for example when the coroutine gets canceled), the lock is automatically
243	returned.	276	returned.
244		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
245	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
247		283
248	=item $locked = cf::lock_active $string	284	=item $locked = cf::lock_active $string
249		285
250	Return true if the lock is currently active, i.e. somebody has locked it.	286	Return true if the lock is currently active, i.e. somebody has locked it.
251		287
252	=cut	288	=cut
253		289
254	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
255		292
256	sub lock_wait($) {	293	sub lock_wait($) {
257	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
258		300
259	# wait for lock, if any	301	# wait for lock, if any
260	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	304	Coro::schedule;
…		…
268		310
269	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
270	lock_wait $key;	312	lock_wait $key;
271		313
272	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
273		316
274	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
277	}	321	}
278	}	322	}
279		323
…		…
291	};	335	};
292	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
293	$guard	337	$guard
294	}	338	}
295		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
		394	}
		395
296	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
297		397
298	Currently the same as Coro::async_pool, meaning you cannot use	398	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	399	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.	400	thing you are allowed to do is call C<prio> on it.
…		…
303		403
304	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
305		405
306	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
307		407
308	The design of crossfire+ requires that the main coro ($Coro::main) is	408	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	409	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.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
311		412
312	If it must be done, put the blocking parts into C<sync_job>. This will run	413	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	414	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	415	server will be frozen during this time, so the block should either finish
315	fast or be very important.	416	fast or be very important.
…		…
318		419
319	sub sync_job(&) {	420	sub sync_job(&) {
320	my ($job) = @_;	421	my ($job) = @_;
321		422
322	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
323	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
325		428
326	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
338		441
339	while ($busy) {	442	while ($busy) {
340	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
341	}	444	}
342		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
343	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
344	} else {	454	} else {
345	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
346		456
347	$job->()	457	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
367		477
368	$coro	478	$coro
369	}	479	}
370		480
371	sub write_runtime {	481	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		482
374	my $runtime = "$LOCALDIR/runtime";	483	Executes the given code block with the given arguments in a seperate
		484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
375		487
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	488	=cut
377	or return;
378		489
379	my $value = $cf::RUNTIME + 90 + 10;	490	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	491	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		492
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	493	# we seemingly have to make a local copy of the whole thing,
384	and return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
385		496
386	# always fsync - this file is important	497	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	498	reset_signals;
388	and return;	499	&$cb
		500	}, @args;
389		501
390	close $fh	502	wantarray ? @res : $res[-1]
391	or return;	503	}
392		504
393	aio_rename "$runtime~", $runtime	505	=item $value = cf::db_get $family => $key
394	and return;
395		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
396	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
397	}	630	}
398		631
399	=item cf::datalog type => key => value, ...	632	=item cf::datalog type => key => value, ...
400		633
401	Log a datalog packet of the given type with the given key-value pairs.	634	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
421		654
422	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	657	Crossfire TRT).
425		658
426	=over 4	659	=over 4
427		660
428	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
429		662
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
593		826
594	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		831
599	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	833	my $pkg = shift @arg;
601		834
602	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
632	}	865	}
633		866
634	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
635	} else {	868	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	870	}
638		871
639	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
640	}	873	}
641		874
…		…
643	if (ref $_[0]) {	876	if (ref $_[0]) {
644	_object_attach @_;	877	_object_attach @_;
645	} else {	878	} else {
646	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
647	}	880	}
		881	_recalc_want;
648	};	882	};
649		883
650	# all those should be optimised	884	# all those should be optimised
651	sub cf::attachable::detach {	885	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
656	reattach ($obj);	890	reattach ($obj);
657	} else {	891	} else {
658	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
659	}	893	}
		894	_recalc_want;
660	};	895	};
661		896
662	sub cf::attachable::attached {	897	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
664		899
…		…
679	";	914	";
680	die if $@;	915	die if $@;
681	}	916	}
682		917
683	our $override;	918	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		920
686	sub override {	921	sub override {
687	$override = 1;	922	$override = 1;
688	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
689	}	924	}
690		925
691	sub do_invoke {	926	sub do_invoke {
692	my $event = shift;	927	my $event = shift;
693	my $callbacks = shift;	928	my $callbacks = shift;
694		929
695	@invoke_results = ();	930	@INVOKE_RESULTS = ();
696		931
697	local $override;	932	local $override;
698		933
699	for (@$callbacks) {	934	for (@$callbacks) {
700	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
717		952
718	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
719		954
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		958
724	=back	959	=back
725		960
726	=cut	961	=cut
727		962
728	#############################################################################	963	#############################################################################
729	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
730		976
731	sub reattach {	977	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	979	my ($obj) = @_;
734		980
…		…
779	);	1025	);
780		1026
781	sub object_freezer_save {	1027	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
783		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
784	sync_job {	1032	sync_job {
785	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
788		1037
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
811	}	1060	}
812	} else {	1061	} else {
813	aio_unlink $filename;	1062	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
815	}	1064	}
816	}	1065	};
		1066
		1067	undef $guard;
817	}	1068	}
818		1069
819	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
821		1072
…		…
826		1077
827	sub object_thawer_load {	1078	sub object_thawer_load {
828	my ($filename) = @_;	1079	my ($filename) = @_;
829		1080
830	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
831		1084
832	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
833	or return;	1086	or return;
834		1087
835	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
837	or return;	1090	or return;
		1091
		1092	undef $guard;
838	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1094	}
840		1095
		1096	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
843	return ($data, $av);	1100	($data, $av)
844	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
845		1108
846	#############################################################################	1109	#############################################################################
847	# command handling &c	1110	# command handling &c
848		1111
849	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1126	}
864		1127
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1129
867	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
868		1135
869	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
870	called.	1137	called.
871		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
872	=cut	1150	=cut
873		1151
874	sub register_extcmd {	1152	sub register_extcmd {
875	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
876		1154
877	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
878	}	1162	}
879		1163
880	cf::player->attach (	1164	cf::player->attach (
881	on_command => sub {	1165	on_command => sub {
882	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1175	cf::override;
892	},	1176	},
893	on_extcmd => sub {	1177	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
895		1179
896	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1181
898	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
904	} else {	1197	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1199	}
907		1200
908	cf::override;	1201	cf::override;
909	},	1202	},
910	);	1203	);
911		1204
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
947	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1210	next unless -r $path;
949	eval {	1211
950	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
951	1	1269	}
952	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
953	}	1275	};
954	}	1276	}
955		1277
956	#############################################################################	1278	#############################################################################
957		1279
		1280	=back
		1281
958	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
959		1283
960	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
961		1285
962	=cut	1286	=cut
…		…
966	use Coro::AIO;	1290	use Coro::AIO;
967		1291
968	=head3 cf::player	1292	=head3 cf::player
969		1293
970	=over 4	1294	=over 4
		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
971		1309
972	=item cf::player::find $login	1310	=item cf::player::find $login
973		1311
974	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
975		1313
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1352	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1353
1016	my $pl = load_pl path $login	1354	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1019	}	1363	}
1020	}	1364	}
1021	}	1365	}
1022		1366
…		…
1032		1376
1033	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1035		1379
1036	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1037	Coro::cede;	1381	cf::cede_to_tick;
1038	}	1382	}
1039		1383
1040	sub new($) {	1384	sub new($) {
1041	my ($login) = @_;	1385	my ($login) = @_;
1042		1386
…		…
1046	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1047		1391
1048	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1049		1393
1050	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1051	}	1405	}
1052		1406
1053	=item $pl->quit_character	1407	=item $pl->quit_character
1054		1408
1055	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1464	or return [];
1111		1465
1112	my @logins;	1466	my @logins;
1113		1467
1114	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1118		1477
1119	utf8::decode $login;	1478	utf8::decode $login;
1120	push @logins, $login;	1479	push @logins, $login;
1121	}	1480	}
1122		1481
…		…
1149	}	1508	}
1150		1509
1151	\@paths	1510	\@paths
1152	}	1511	}
1153		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1154	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1155		1565
1156	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1157		1567
1158	=cut	1568	=cut
1159		1569
1160	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1162		1572
1163	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1574	}
1167		1575
1168	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1169		1577
1170	Sends an ext event to the client.	1578	Sends an ext event to the client.
1171		1579
1172	=cut	1580	=cut
1173		1581
1174	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1176		1584
1177	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1178	}	1586	}
1179		1587
1180	=head3 cf::region	1588	=head3 cf::region
1181		1589
1182	=over 4	1590	=over 4
…		…
1185		1593
1186	package cf::region;	1594	package cf::region;
1187		1595
1188	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1189		1597
1190	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1191		1599
1192	=cut	1600	=cut
1193		1601
1194	sub find_by_path($) {	1602	sub find_by_path($) {
1195	my ($path) = @_;	1603	my ($path) = @_;
1196		1604
1197	my ($match, $specificity);	1605	my ($match, $specificity);
1198		1606
1199	for my $region (list) {	1607	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1203	}	1611	}
1204	}	1612	}
1205		1613
…		…
1269	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1270		1678
1271	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1272	local $self->{path};	1680	local $self->{path};
1273	local $self->{load_path};	1681	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1682
1277	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1278	}	1684	}
1279		1685
1280	sub normalise {	1686	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1328	return $self;	1734	return $self;
1329	}	1735	}
1330	}	1736	}
1331		1737
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1739	()
1334	}	1740	}
1335		1741
1336	sub init {	1742	sub init {
1337	my ($self) = @_;	1743	my ($self) = @_;
…		…
1380		1786
1381	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1383	}	1789	}
1384		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1385	sub unlink_save {	1799	sub unlink_save {
1386	my ($self) = @_;	1800	my ($self) = @_;
1387		1801
1388	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1806
1393	sub load_header_from($) {	1807	sub load_header_from($) {
1394	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1395		1809
1396	utf8::encode $path;	1810	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1402		1819
1403	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1404		1821
1405	1	1822	1
1406	}	1823	}
…		…
1445	$self->load_header_orig	1862	$self->load_header_orig
1446	or return;	1863	or return;
1447	$self->prepare_orig;	1864	$self->prepare_orig;
1448	}	1865	}
1449		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1450	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1871	unless $self->default_region;
1452		1872
1453	1	1873	1
1454	}	1874	}
…		…
1457	sub find {	1877	sub find {
1458	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1459		1879
1460	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1461		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1463		1884
1464	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1466	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1467	or return;	1890	or return;
1468		1891
1469	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1470		1893
1471	$map->load_header	1894	$map->load_header
1472	or return;	1895	or return;
1473		1896
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1477	$map->reset;	1902	$map->reset;
1478	undef $guard;
1479	return find $path;	1903	return find $path;
1480	}	1904	}
1481		1905
1482	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1483	}	1907	}
…		…
1490	my ($self) = @_;	1914	my ($self) = @_;
1491		1915
1492	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1493		1917
1494	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1495	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1496		1922
		1923	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		1925
1499	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1500		1927
1501	$self->alloc;	1928	$self->alloc;
1502		1929
1503	$self->pre_load;	1930	$self->pre_load;
1504	Coro::cede;	1931	cf::cede_to_tick;
1505		1932
1506	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1507	or return;	1936	or return;
1508		1937
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1510	if delete $self->{load_original};	1939	if delete $self->{load_original};
1511		1940
1512	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	1942	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	1945	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1517	}	1949	}
1518	}	1950	}
1519		1951
1520	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1521	# now do the right thing for maps	1955	# now do the right thing for maps
1522	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	1958	unless $self->difficulty;
1533	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1534	$self->activate;	1968	$self->activate;
1535	Coro::cede;	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1536	}	1975	}
1537		1976
1538	$self->post_load;	1977	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	1978	}
1543		1979
1544	sub customise_for {	1980	sub customise_for {
1545	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1546		1982
1547	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	1984	if $self->per_player;
1549		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1550	$self	1989	$self
1551	}	1990	}
1552		1991
1553	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	1993	sub load_neighbours {
1555	my ($map) = @_;	1994	my ($map) = @_;
1556		1995
1557	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1558		1997
1559	for (0 .. 3) {	1998	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1561	or next;	2000	or next;
1562	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1563	or next;	2002	or next;
1564	$neigh->load;	2003	$neigh->load;
1565		2004
		2005	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2008	}
1569		2009
1570	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1572	or next;	2013	or next;
1573	$neigh->load;	2014	$neigh->load;
1574	}	2015	}
1575	}	2016	}
1576		2017
…		…
1581	}	2022	}
1582		2023
1583	sub do_load_sync {	2024	sub do_load_sync {
1584	my ($map) = @_;	2025	my ($map) = @_;
1585		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1586	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1587	}	2031	}
1588		2032
1589	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1591		2035
1592	sub find_async {	2036	sub find_async {
1593	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1594		2038
1595	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1596		2040
1597	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1599	}	2043	}
1600		2044
1601	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1602	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1603	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2050	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2051	$map->load if $v;
		2052	}
1608		2053
1609	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1610	}	2055	}
1611	}	2056	}
1612	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1613	};	2058	};
1614	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2062	}
1618		2063
1619	sub save {	2064	sub save {
1620	my ($self) = @_;	2065	my ($self) = @_;
1621		2066
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2068
1624	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1625		2070
1626	return unless $self->dirty;	2071	return unless $self->dirty;
1627		2072
…		…
1650	my ($self) = @_;	2095	my ($self) = @_;
1651		2096
1652	# save first because save cedes	2097	# save first because save cedes
1653	$self->save;	2098	$self->save;
1654		2099
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2101
1657	return if $self->players;	2102	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};	2104	return if $self->{deny_save};
1660		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2110	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2111	}
1664		2112
1665	sub reset_at {	2113	sub reset_at {
1666	my ($self) = @_;	2114	my ($self) = @_;
1667		2115
1668	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1671		2118
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2121
…		…
1685	my ($self) = @_;	2132	my ($self) = @_;
1686		2133
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2135
1689	return if $self->players;	2136	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2137
1692	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1693		2139
1694	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1695		2141
1696	# need to save uniques path	2142	# need to save uniques path
1697	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2147	if $uniq;
1702	}	2148	}
1703		2149
1704	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1705		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2154	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2155
1710	$self->unlink_save;	2156	$self->unlink_save;
1711	$self->destroy;	2157	$self->destroy;
1712	}	2158	}
1713		2159
1714	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1715		2161
1716	sub nuke {	2162	sub nuke {
1717	my ($self) = @_;	2163	my ($self) = @_;
1718		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1719	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1720		2169
1721	$self->unlink_save;	2170	$self->unlink_save;
1722		2171
1723	bless $self, "cf::map";	2172	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2177
1729	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1730		2180
1731	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1732	}	2218	}
1733		2219
1734	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1735		2221
1736	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2223	instantiated unique items. May block.
1738		2224
1739	=cut	2225	=cut
1740		2226
1741	sub unique_maps() {	2227	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2228	[
1743	or return;	2229	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2230	utf8::decode $_;
1749	next if /\.pst$/;	2231	/\.map$/
1750	next unless /^$PATH_SEP/o;	2232	? normalise $_
1751		2233	: ()
1752	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2235	]
1754
1755	\@paths
1756	}	2236	}
1757		2237
1758	package cf;	2238	package cf;
1759		2239
1760	=back	2240	=back
…		…
1778	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1779	}	2259	}
1780		2260
1781	sub inv_recursive {	2261	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1783	}	2294	}
1784		2295
1785	package cf;	2296	package cf;
1786		2297
1787	=back	2298	=back
…		…
1806		2317
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2319
1809	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1811	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1814	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1815	}	2345	}
1816		2346
1817	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1818		2348
1819	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1866	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1867		2397
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2399
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1872		2402
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2404	}
1875		2405
1876	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1878		2410
1879	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1880		2412
1881	unless ($map) {	2413	unless ($map) {
1882	# restore original map position	2414	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1899		2431
1900	$map->load;	2432	$map->load;
1901	$map->load_diag;	2433	$map->load_neighbours;
1902		2434
1903	return unless $self->contr->active;	2435	return unless $self->contr->active;
1904	$self->activate_recursive;	2436	$self->activate_recursive;
1905		2437
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1908	}	2440	}
1909		2441
1910	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2443
1914	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1918	};	2448	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2449
1924	# try to abort aborted map switching on player login :)
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1945		2453
1946	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2459
1949	$self->enter_link;	2460	$self->enter_link;
1950		2461
1951	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1952	my $map = eval {	2482	my $map = eval {
1953	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1955	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2498	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1960	})->prio (1);	2506	})->prio (1);
1961	}	2507	}
1962		2508
1963	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1964		2510
…		…
2033	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
2035		2581
2036	$self->enter_link;	2582	$self->enter_link;
2037		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
2038	(async {	2588	(async {
2039	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
2040	unless (eval {	2590	unless (eval {
2041	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
2042		2592
…		…
2069		2619
2070	utf8::encode $text;	2620	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2622	}
2073		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
2074	=item $client->ext_event ($type, %msg)	2705	=item $client->ext_msg ($type, @msg)
2075		2706
2076	Sends an exti event to the client.	2707	Sends an ext event to the client.
2077		2708
2078	=cut	2709	=cut
2079		2710
2080	sub cf::client::ext_event($$%) {	2711	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2712	my ($self, $type, @msg) = @_;
2082		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2717	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
2085	}	2738	}
2086		2739
2087	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
2088		2741
2089	Queues a query to the client, calling the given callback with	2742	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2743	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2745
2093	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2747	become reliable at some point in the future.
2095		2748
2096	=cut	2749	=cut
2097		2750
2098	sub cf::client::query {	2751	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2760	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2762
2110	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
2112	}	2767	}
2113		2768
2114	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
2115	on_reply => sub {	2775	on_reply => sub {
2116	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
2117		2777
2118	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
2119	# get handled first	2779	# get handled first
…		…
2131	} else {	2791	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2793	}
2134	}	2794	}
2135	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
2136	);	2822	);
2137		2823
2138	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
2139		2825
2140	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2183		2869
2184	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2185		2871
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
2187		2877
2188	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2189		2879
2190	=pod	2880	=pod
2191		2881
2192	The following functions and methods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2193		2883
2194	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
2195	cf::object::player player	2888	cf::object::player
2196	cf::player peaceful	2889	player
2197	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2198		2896
2199	=cut	2897	=cut
2200		2898
2201	for (	2899	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2203	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2206	) {	2906	) {
2207	no strict 'refs';	2907	no strict 'refs';
…		…
2278	=back	2978	=back
2279		2979
2280	=cut	2980	=cut
2281		2981
2282	#############################################################################	2982	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	2983	# the server's init and main functions
2457		2984
2458	sub load_facedata($) {	2985	sub load_facedata($) {
2459	my ($path) = @_;	2986	my ($path) = @_;
		2987
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		2993
2461	warn "loading facedata from $path\n";	2994	warn "loading facedata from $path\n";
2462		2995
2463	my $facedata;	2996	my $facedata;
2464	0 < aio_load $path, $facedata	2997	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3000	$facedata = Coro::Storable::thaw $facedata;
2468		3001
2469	$facedata->{version} == 2	3002	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3004
		3005	# patch in the exptable
		3006	$facedata->{resource}{"res/exp_table"} = {
		3007	type => FT_RSRC,
		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3009	};
		3010	cf::cede_to_tick;
		3011
2472	{	3012	{
2473	my $faces = $facedata->{faceinfo};	3013	my $faces = $facedata->{faceinfo};
2474		3014
2475	while (my ($face, $info) = each %$faces) {	3015	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3017	cf::face::set_visibility $idx, $info->{visibility};
		3018	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3021
		3022	cf::cede_to_tick;
2481	}	3023	}
2482		3024
2483	while (my ($face, $info) = each %$faces) {	3025	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3026	next unless $info->{smooth};
2485	my $idx = cf::face::find $face	3027	my $idx = cf::face::find $face
2486	or next;	3028	or next;
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3032	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3034	}
2492	Coro::cede;	3035
		3036	cf::cede_to_tick;
2493	}	3037	}
2494	}	3038	}
2495		3039
2496	{	3040	{
2497	my $anims = $facedata->{animinfo};	3041	my $anims = $facedata->{animinfo};
2498		3042
2499	while (my ($anim, $info) = each %$anims) {	3043	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3045	cf::cede_to_tick;
2502	}	3046	}
2503		3047
2504	cf::anim::invalidate_all; # d'oh	3048	cf::anim::invalidate_all; # d'oh
2505	}	3049	}
2506		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
		3098	}
		3099
2507	1	3100	1
2508	}	3101	}
2509		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
2510	sub reload_regions {	3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
2511	load_resource_file "$MAPDIR/regions"	3116	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3117	or die "unable to load regions file\n";
		3118
		3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
2513	}	3123	}
2514		3124
2515	sub reload_facedata {	3125	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3126	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3127	or die "unable to load facedata\n";
2518	}	3128	}
2519		3129
2520	sub reload_archetypes {	3130	sub reload_archetypes {
2521	load_resource_file "$DATADIR/archetypes"	3131	load_resource_file "$DATADIR/archetypes"
2522	or die "unable to load archetypes\n";	3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
2523	}	3138	}
2524		3139
2525	sub reload_treasures {	3140	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3141	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3142	or die "unable to load treasurelists\n";
…		…
2530	sub reload_resources {	3145	sub reload_resources {
2531	warn "reloading resource files...\n";	3146	warn "reloading resource files...\n";
2532		3147
2533	reload_regions;	3148	reload_regions;
2534	reload_facedata;	3149	reload_facedata;
		3150	#reload_archetypes;#d#
2535	reload_archetypes;	3151	reload_archetypes;
2536	reload_treasures;	3152	reload_treasures;
2537		3153
2538	warn "finished reloading resource files\n";	3154	warn "finished reloading resource files\n";
2539	}	3155	}
2540		3156
2541	sub init {	3157	sub init {
2542	reload_resources;	3158	reload_resources;
2543	}	3159	}
2544		3160
2545	sub cfg_load {	3161	sub reload_config {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3163	or return;
2548		3164
2549	local $/;	3165	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
…		…
2570	(async {	3186	(async {
2571	Event::one_event;	3187	Event::one_event;
2572	})->prio (Coro::PRIO_MAX);	3188	})->prio (Coro::PRIO_MAX);
2573	};	3189	};
2574		3190
2575	cfg_load;	3191	reload_config;
2576	db_init;	3192	db_init;
2577	load_extensions;	3193	load_extensions;
2578		3194
2579	$TICK_WATCHER->start;	3195	$TICK_WATCHER->start;
2580	Event::loop;	3196	Event::loop;
…		…
2596	},	3212	},
2597	);	3213	);
2598	}	3214	}
2599	}	3215	}
2600		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
		3253	}
		3254
2601	sub emergency_save() {	3255	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2603		3257
2604	warn "enter emergency perl save\n";	3258	warn "enter emergency perl save\n";
2605		3259
…		…
2680	%EXT_CORO = ();	3334	%EXT_CORO = ();
2681		3335
2682	warn "removing commands";	3336	warn "removing commands";
2683	%COMMAND = ();	3337	%COMMAND = ();
2684		3338
2685	warn "removing ext commands";	3339	warn "removing ext/exti commands";
2686	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2687		3342
2688	warn "unloading/nuking all extensions";	3343	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2691		3346
…		…
2734	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2735	require cf;	3390	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3392
2738	warn "loading config and database again";	3393	warn "loading config and database again";
2739	cf::cfg_load;	3394	cf::reload_config;
2740		3395
2741	warn "loading extensions";	3396	warn "loading extensions";
2742	cf::load_extensions;	3397	cf::load_extensions;
2743		3398
2744	warn "reattaching attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
…		…
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3478	unless ++$bug_warning > 10;
2824	return;	3479	return;
2825	}	3480	}
2826		3481
2827	$NOW = Event::time;	3482	$NOW = $tick_start = Event::time;
2828		3483
2829	cf::server_tick; # one server iteration	3484	cf::server_tick; # one server iteration
2830		3485
2831	$RUNTIME += $TICK;	3486	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;	3487	$NEXT_TICK += $TICK;
…		…
2837	write_runtime	3492	write_runtime
2838	or warn "ERROR: unable to write runtime file: $!";	3493	or warn "ERROR: unable to write runtime file: $!";
2839	};	3494	};
2840	}	3495	}
2841		3496
2842	# my $AFTER = Event::time;	3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2843	# warn $AFTER - $NOW;#d#	3498	$sig->send;
		3499	}
		3500	while (my $sig = shift @WAIT_FOR_TICK) {
		3501	$sig->send;
		3502	}
		3503
		3504	$NOW = Event::time;
2844		3505
2845	# if we are delayed by four ticks or more, skip them all	3506	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2847		3508
2848	$TICK_WATCHER->at ($NEXT_TICK);	3509	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;	3510	$TICK_WATCHER->start;
2850		3511
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3512	$LOAD = ($NOW - $tick_start) / $TICK;
2852	$sig->send;	3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2853	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;
2856	}
2857		3514
2858	_post_tick;	3515	_post_tick;
2859	},	3516	},
2860	);	3517	);
2861		3518
2862	{	3519	{
		3520	BDB::min_parallel 8;
2863	BDB::max_poll_time $TICK * 0.1;	3521	BDB::max_poll_time $TICK * 0.1;
2864	$BDB_POLL_WATCHER = Event->io (	3522	$BDB_POLL_WATCHER = Event->io (
2865	reentrant => 0,	3523	reentrant => 0,
2866	fd => BDB::poll_fileno,	3524	fd => BDB::poll_fileno,
2867	poll => 'r',	3525	poll => 'r',
2868	prio => 0,	3526	prio => 0,
2869	data => WF_AUTOCANCEL,	3527	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,	3528	cb => \&BDB::poll_cb,
2871	);	3529	);
2872	BDB::min_parallel 8;
2873		3530
2874	BDB::set_sync_prepare {	3531	BDB::set_sync_prepare {
2875	my $status;	3532	my $status;
2876	my $current = $Coro::current;	3533	my $current = $Coro::current;
2877	(	3534	(
…		…
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3555	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3556	0666;
2900		3557
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3558	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902		3559
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3560	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3561	| BDB::LOG_AUTOREMOVE, 1);
2904	$DB_ENV->set_lk_detect;	3562	$DB_ENV->set_lk_detect;
2905	};	3563	};
2906		3564
2907	cf::cleanup "db_env_open(db): $@" if $@;	3565	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3566	};
2909	}	3567	}
		3568
		3569	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3570	after => 11,
		3571	interval => 60,
		3572	hard => 1,
		3573	prio => 0,
		3574	data => WF_AUTOCANCEL,
		3575	cb => sub {
		3576	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3577	},
		3578	);
		3579	$BDB_TRICKLE_WATCHER = Event->timer (
		3580	after => 5,
		3581	interval => 10,
		3582	hard => 1,
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => sub {
		3586	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3587	},
		3588	);
2910	}	3589	}
2911		3590
2912	{	3591	{
2913	IO::AIO::min_parallel 8;	3592	IO::AIO::min_parallel 8;
2914		3593
…		…
2922	prio => 6,	3601	prio => 6,
2923	cb => \&IO::AIO::poll_cb,	3602	cb => \&IO::AIO::poll_cb,
2924	);	3603	);
2925	}	3604	}
2926		3605
		3606	my $_log_backtrace;
		3607
		3608	sub _log_backtrace {
		3609	my ($msg, @addr) = @_;
		3610
		3611	$msg =~ s/\n//;
		3612
		3613	# limit the # of concurrent backtraces
		3614	if ($_log_backtrace < 2) {
		3615	++$_log_backtrace;
		3616	async {
		3617	my @bt = fork_call {
		3618	@addr = map { sprintf "%x", $_ } @addr;
		3619	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3620	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3621	or die "addr2line: $!";
		3622
		3623	my @funcs;
		3624	my @res = <$fh>;
		3625	chomp for @res;
		3626	while (@res) {
		3627	my ($func, $line) = splice @res, 0, 2, ();
		3628	push @funcs, "[$func] $line";
		3629	}
		3630
		3631	@funcs
		3632	};
		3633
		3634	LOG llevInfo, "[ABT] $msg\n";
		3635	LOG llevInfo, "[ABT] $_\n" for @bt;
		3636	--$_log_backtrace;
		3637	};
		3638	} else {
		3639	LOG llevInfo, "[ABT] $msg\n";
		3640	LOG llevInfo, "[ABT] [suppressed]\n";
		3641	}
		3642	}
		3643
2927	# load additional modules	3644	# load additional modules
2928	use cf::pod;	3645	use cf::pod;
2929		3646
2930	END { cf::emergency_save }	3647	END { cf::emergency_save }
2931		3648

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