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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.260 by root, Fri Apr 27 19:53:05 2007 UTC vs.
Revision 1.365 by root, Tue Sep 11 13:27:56 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 {
…		…
163	$msg .= "\n"	189	$msg .= "\n"
164	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
165		191
166	$msg =~ s/([\x00-\x08\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	}
…		…
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};
1495		1919
1496	{	1920	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1498		1922
		1923	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1925
1501	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1502		1927
1503	$self->alloc;	1928	$self->alloc;
1504		1929
1505	$self->pre_load;	1930	$self->pre_load;
1506	Coro::cede;	1931	cf::cede_to_tick;
1507		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1509	or return;	1936	or return;
1510		1937
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1939	if delete $self->{load_original};
1513		1940
1514	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1942	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1945	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1519	}	1949	}
1520	}	1950	}
1521		1951
1522	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1523	# now do the right thing for maps	1955	# now do the right thing for maps
1524	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1958	unless $self->difficulty;
1527	Coro::cede;	1959	cf::cede_to_tick;
1528		1960
1529	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1962	$self->decay_objects;
1531	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1532	$self->update_buttons;	1964	$self->update_buttons;
1533	Coro::cede;	1965	cf::cede_to_tick;
1534	$self->set_darkness_map;	1966	$self->set_darkness_map;
1535	Coro::cede;	1967	cf::cede_to_tick;
1536	$self->activate;	1968	$self->activate;
1537	}	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1538		1973
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1540	}	1975	}
1541		1976
1542	$self->post_load;	1977	$self->post_load;
…		…
1546	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1547		1982
1548	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	1984	if $self->per_player;
1550		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1551	$self	1989	$self
1552	}	1990	}
1553		1991
1554	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	1993	sub load_neighbours {
1556	my ($map) = @_;	1994	my ($map) = @_;
1557		1995
1558	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1559		1997
1560	for (0 .. 3) {	1998	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1562	or next;	2000	or next;
1563	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1564	or next;	2002	or next;
1565	$neigh->load;	2003	$neigh->load;
1566		2004
		2005	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2008	}
1570		2009
1571	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1573	or next;	2013	or next;
1574	$neigh->load;	2014	$neigh->load;
1575	}	2015	}
1576	}	2016	}
1577		2017
…		…
1582	}	2022	}
1583		2023
1584	sub do_load_sync {	2024	sub do_load_sync {
1585	my ($map) = @_;	2025	my ($map) = @_;
1586		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1587	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1588	}	2031	}
1589		2032
1590	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1592		2035
1593	sub find_async {	2036	sub find_async {
1594	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1595		2038
1596	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1597		2040
1598	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1600	}	2043	}
1601		2044
1602	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1603	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1604	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2050	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2051	$map->load if $v;
		2052	}
1609		2053
1610	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1611	}	2055	}
1612	}	2056	}
1613	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1614	};	2058	};
1615	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2062	}
1619		2063
1620	sub save {	2064	sub save {
1621	my ($self) = @_;	2065	my ($self) = @_;
1622		2066
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2068
1625	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1626		2070
1627	return unless $self->dirty;	2071	return unless $self->dirty;
1628		2072
…		…
1651	my ($self) = @_;	2095	my ($self) = @_;
1652		2096
1653	# save first because save cedes	2097	# save first because save cedes
1654	$self->save;	2098	$self->save;
1655		2099
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2101
1658	return if $self->players;	2102	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};	2104	return if $self->{deny_save};
1661		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2110	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2111	}
1665		2112
1666	sub reset_at {	2113	sub reset_at {
1667	my ($self) = @_;	2114	my ($self) = @_;
1668		2115
1669	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1672		2118
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2121
…		…
1686	my ($self) = @_;	2132	my ($self) = @_;
1687		2133
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2135
1690	return if $self->players;	2136	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2137
1693	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1694		2139
1695	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1696		2141
1697	# need to save uniques path	2142	# need to save uniques path
1698	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2147	if $uniq;
1703	}	2148	}
1704		2149
1705	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1706		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2154	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2155
1711	$self->unlink_save;	2156	$self->unlink_save;
1712	$self->destroy;	2157	$self->destroy;
1713	}	2158	}
1714		2159
1715	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1716		2161
1717	sub nuke {	2162	sub nuke {
1718	my ($self) = @_;	2163	my ($self) = @_;
1719		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1720	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1721		2169
1722	$self->unlink_save;	2170	$self->unlink_save;
1723		2171
1724	bless $self, "cf::map";	2172	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2177
1730	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1731		2180
1732	$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	]
1733	}	2218	}
1734		2219
1735	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1736		2221
1737	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2223	instantiated unique items. May block.
1739		2224
1740	=cut	2225	=cut
1741		2226
1742	sub unique_maps() {	2227	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2228	[
1744	or return;	2229	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2230	utf8::decode $_;
1750	next if /\.pst$/;	2231	/\.map$/
1751	next unless /^$PATH_SEP/o;	2232	? normalise $_
1752		2233	: ()
1753	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2235	]
1755
1756	\@paths
1757	}	2236	}
1758		2237
1759	package cf;	2238	package cf;
1760		2239
1761	=back	2240	=back
…		…
1779	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1780	}	2259	}
1781		2260
1782	sub inv_recursive {	2261	sub inv_recursive {
1783	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	}
1784	}	2294	}
1785		2295
1786	package cf;	2296	package cf;
1787		2297
1788	=back	2298	=back
…		…
1807		2317
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2319
1810	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1812	} 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 {
1813	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1815	}	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 (@_);
1816	}	2345	}
1817		2346
1818	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1819		2348
1820	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1867	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1868		2397
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2399
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1873		2402
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1875	}	2404	}
1876		2405
1877	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1879		2410
1880	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1881		2412
1882	unless ($map) {	2413	unless ($map) {
1883	# restore original map position	2414	# restore original map position
…		…
1897	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1900		2431
1901	$map->load;	2432	$map->load;
1902	$map->load_diag;	2433	$map->load_neighbours;
1903		2434
1904	return unless $self->contr->active;	2435	return unless $self->contr->active;
1905	$self->activate_recursive;	2436	$self->activate_recursive;
1906		2437
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1909	}	2440	}
1910		2441
1911	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912	on_logout => sub {
1913	my ($pl) = @_;
1914		2443
1915	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1916	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1917	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1918	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1919	};	2448	be called at the end of this process.
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2449
1925	# try to abort aborted map switching on player login :)
1926	# should happen only on crashes
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942
1943	=item $player_object->goto ($path, $x, $y)
1944
1945	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1946		2453
1947	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1948	my ($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;
1949		2459
1950	$self->enter_link;	2460	$self->enter_link;
1951		2461
1952	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2468	}
		2469	}
		2470
1953	my $map = eval {	2471	my $map = eval {
1954	my $map = cf::map::find $path;	2472	my $map = cf::map::find $path;
		2473
		2474	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2475	$map = $map->customise_for ($self);
		2476	$map = $check->($map) if $check && $map;
		2477	} else {
		2478	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2479	}
		2480
1956	$map	2481	$map
		2482	};
		2483
		2484	if ($@) {
		2485	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2486	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2487	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2488
		2489	if ($gen == $self->{_goto_generation}) {
		2490	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2491	$self->leave_link ($map, $x, $y);
		2492	}
		2493
		2494	$done->() if $done;
1961	})->prio (1);	2495	})->prio (1);
1962	}	2496	}
1963		2497
1964	=item $player_object->enter_exit ($exit_object)	2498	=item $player_object->enter_exit ($exit_object)
1965		2499
…		…
2034	my $hp = $exit->stats->hp;	2568	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;	2569	my $sp = $exit->stats->sp;
2036		2570
2037	$self->enter_link;	2571	$self->enter_link;
2038		2572
		2573	# if exit is damned, update players death & WoR home-position
		2574	$self->contr->savebed ($slaying, $hp, $sp)
		2575	if $exit->flag (FLAG_DAMNED);
		2576
2039	(async {	2577	(async {
2040	$self->deactivate_recursive; # just to be sure	2578	$self->deactivate_recursive; # just to be sure
2041	unless (eval {	2579	unless (eval {
2042	$self->goto ($slaying, $hp, $sp);	2580	$self->goto ($slaying, $hp, $sp);
2043		2581
…		…
2070		2608
2071	utf8::encode $text;	2609	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2610	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2611	}
2074		2612
		2613	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2614
		2615	Send a drawinfo or msg packet to the client, formatting the msg for the
		2616	client if neccessary. C<$type> should be a string identifying the type of
		2617	the message, with C<log> being the default. If C<$color> is negative, suppress
		2618	the message unless the client supports the msg packet.
		2619
		2620	=cut
		2621
		2622	our %CHANNEL = (
		2623	"c/identify" => {
		2624	id => "identify",
		2625	title => "Identify",
		2626	reply => undef,
		2627	tooltip => "Items recently identified",
		2628	},
		2629	"c/examine" => {
		2630	id => "examine",
		2631	title => "Examine",
		2632	reply => undef,
		2633	tooltip => "Signs and other items you examined",
		2634	},
		2635	);
		2636
		2637	sub cf::client::send_msg {
		2638	my ($self, $channel, $msg, $color, @extra) = @_;
		2639
		2640	$msg = $self->pl->expand_cfpod ($msg);
		2641
		2642	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2643
		2644	# check predefined channels, for the benefit of C
		2645	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2646
		2647	if (ref $channel) {
		2648	# send meta info to client, if not yet sent
		2649	unless (exists $self->{channel}{$channel->{id}}) {
		2650	$self->{channel}{$channel->{id}} = $channel;
		2651	$self->ext_msg (channel_info => $channel)
		2652	if $self->can_msg;
		2653	}
		2654
		2655	$channel = $channel->{id};
		2656	}
		2657
		2658	return unless @extra || length $msg;
		2659
		2660	if ($self->can_msg) {
		2661	# default colour, mask it out
		2662	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2663	if $color & cf::NDI_DEF;
		2664
		2665	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2666	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2667	} else {
		2668	if ($color >= 0) {
		2669	# replace some tags by gcfclient-compatible ones
		2670	for ($msg) {
		2671	1 while
		2672	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2673	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2674	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2675	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2676	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2677	}
		2678
		2679	$color &= cf::NDI_COLOR_MASK;
		2680
		2681	utf8::encode $msg;
		2682
		2683	if (0 && $msg =~ /\[/) {
		2684	# COMMAND/INFO
		2685	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2686	} else {
		2687	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2688	$self->send_packet ("drawinfo $color $msg")
		2689	}
		2690	}
		2691	}
		2692	}
		2693
2075	=item $client->ext_event ($type, %msg)	2694	=item $client->ext_msg ($type, @msg)
2076		2695
2077	Sends an exti event to the client.	2696	Sends an ext event to the client.
2078		2697
2079	=cut	2698	=cut
2080		2699
2081	sub cf::client::ext_event($$%) {	2700	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	2701	my ($self, $type, @msg) = @_;
2083		2702
		2703	if ($self->extcmd == 2) {
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2705	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	2706	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	2707	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2708	}
		2709	}
		2710
		2711	=item $client->ext_reply ($msgid, @msg)
		2712
		2713	Sends an ext reply to the client.
		2714
		2715	=cut
		2716
		2717	sub cf::client::ext_reply($$@) {
		2718	my ($self, $id, @msg) = @_;
		2719
		2720	if ($self->extcmd == 2) {
		2721	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2722	} elsif ($self->extcmd == 1) {
		2723	#TODO: version 1, remove
		2724	unshift @msg, msgtype => "reply", msgid => $id;
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2726	}
2086	}	2727	}
2087		2728
2088	=item $success = $client->query ($flags, "text", \&cb)	2729	=item $success = $client->query ($flags, "text", \&cb)
2089		2730
2090	Queues a query to the client, calling the given callback with	2731	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2732	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2733	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		2734
2094	Queries can fail, so check the return code. Or don't, as queries will become	2735	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	2736	become reliable at some point in the future.
2096		2737
2097	=cut	2738	=cut
2098		2739
2099	sub cf::client::query {	2740	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	2741	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	2749	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2750	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		2751
2111	$self->send_packet ($self->{query_queue}[0][0])	2752	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	2753	if @{ $self->{query_queue} } == 1;
		2754
		2755	1
2113	}	2756	}
2114		2757
2115	cf::client->attach (	2758	cf::client->attach (
		2759	on_connect => sub {
		2760	my ($ns) = @_;
		2761
		2762	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2763	},
2116	on_reply => sub {	2764	on_reply => sub {
2117	my ($ns, $msg) = @_;	2765	my ($ns, $msg) = @_;
2118		2766
2119	# this weird shuffling is so that direct followup queries	2767	# this weird shuffling is so that direct followup queries
2120	# get handled first	2768	# get handled first
…		…
2132	} else {	2780	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2781	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	2782	}
2135	}	2783	}
2136	},	2784	},
		2785	on_exticmd => sub {
		2786	my ($ns, $buf) = @_;
		2787
		2788	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2789
		2790	if (ref $msg) {
		2791	my ($type, $reply, @payload) =
		2792	"ARRAY" eq ref $msg
		2793	? @$msg
		2794	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2795
		2796	my @reply;
		2797
		2798	if (my $cb = $EXTICMD{$type}) {
		2799	@reply = $cb->($ns, @payload);
		2800	}
		2801
		2802	$ns->ext_reply ($reply, @reply)
		2803	if $reply;
		2804
		2805	} else {
		2806	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2807	}
		2808
		2809	cf::override;
		2810	},
2137	);	2811	);
2138		2812
2139	=item $client->async (\&cb)	2813	=item $client->async (\&cb)
2140		2814
2141	Create a new coroutine, running the specified callback. The coroutine will	2815	Create a new coroutine, running the specified callback. The coroutine will
…		…
2182	our $safe = new Safe "safe";	2856	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	2857	our $safe_hole = new Safe::Hole;
2184		2858
2185	$SIG{FPE} = 'IGNORE';	2859	$SIG{FPE} = 'IGNORE';
2186		2860
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2861	$safe->permit_only (Opcode::opset qw(
		2862	:base_core :base_mem :base_orig :base_math
		2863	grepstart grepwhile mapstart mapwhile
		2864	sort time
		2865	));
2188		2866
2189	# here we export the classes and methods available to script code	2867	# here we export the classes and methods available to script code
2190		2868
2191	=pod	2869	=pod
2192		2870
2193	The following functions and methods are available within a safe environment:	2871	The following functions and methods are available within a safe environment:
2194		2872
2195	cf::object contr pay_amount pay_player map	2873	cf::object
		2874	contr pay_amount pay_player map x y force_find force_add
		2875	insert remove name archname title slaying race decrease_ob_nr
		2876
2196	cf::object::player player	2877	cf::object::player
2197	cf::player peaceful	2878	player
2198	cf::map trigger	2879
		2880	cf::player
		2881	peaceful
		2882
		2883	cf::map
		2884	trigger
2199		2885
2200	=cut	2886	=cut
2201		2887
2202	for (	2888	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	2889	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2890	insert remove inv name archname title slaying race
		2891	decrease_ob_nr)],
2204	["cf::object::player" => qw(player)],	2892	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	2893	["cf::player" => qw(peaceful)],
2206	["cf::map" => qw(trigger)],	2894	["cf::map" => qw(trigger)],
2207	) {	2895	) {
2208	no strict 'refs';	2896	no strict 'refs';
…		…
2279	=back	2967	=back
2280		2968
2281	=cut	2969	=cut
2282		2970
2283	#############################################################################	2971	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455
2456	#############################################################################
2457	# the server's init and main functions	2972	# the server's init and main functions
2458		2973
2459	sub load_facedata($) {	2974	sub load_facedata($) {
2460	my ($path) = @_;	2975	my ($path) = @_;
		2976
		2977	# HACK to clear player env face cache, we need some signal framework
		2978	# for this (global event?)
		2979	%ext::player_env::MUSIC_FACE_CACHE = ();
		2980
		2981	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461		2982
2462	warn "loading facedata from $path\n";	2983	warn "loading facedata from $path\n";
2463		2984
2464	my $facedata;	2985	my $facedata;
2465	0 < aio_load $path, $facedata	2986	0 < aio_load $path, $facedata
…		…
2468	$facedata = Coro::Storable::thaw $facedata;	2989	$facedata = Coro::Storable::thaw $facedata;
2469		2990
2470	$facedata->{version} == 2	2991	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	2992	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		2993
		2994	# patch in the exptable
		2995	$facedata->{resource}{"res/exp_table"} = {
		2996	type => FT_RSRC,
		2997	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2998	};
		2999	cf::cede_to_tick;
		3000
2473	{	3001	{
2474	my $faces = $facedata->{faceinfo};	3002	my $faces = $facedata->{faceinfo};
2475		3003
2476	while (my ($face, $info) = each %$faces) {	3004	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3005	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3006	cf::face::set_visibility $idx, $info->{visibility};
		3007	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3008	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3009	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2481	Coro::cede;	3010
		3011	cf::cede_to_tick;
2482	}	3012	}
2483		3013
2484	while (my ($face, $info) = each %$faces) {	3014	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3015	next unless $info->{smooth};
2486	my $idx = cf::face::find $face	3016	my $idx = cf::face::find $face
2487	or next;	3017	or next;
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3018	if (my $smooth = cf::face::find $info->{smooth}) {
		3019	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3020	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3021	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3022	warn "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3023	}
2493	Coro::cede;	3024
		3025	cf::cede_to_tick;
2494	}	3026	}
2495	}	3027	}
2496		3028
2497	{	3029	{
2498	my $anims = $facedata->{animinfo};	3030	my $anims = $facedata->{animinfo};
2499		3031
2500	while (my ($anim, $info) = each %$anims) {	3032	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3033	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3034	cf::cede_to_tick;
2503	}	3035	}
2504		3036
2505	cf::anim::invalidate_all; # d'oh	3037	cf::anim::invalidate_all; # d'oh
2506	}	3038	}
2507		3039
		3040	{
		3041	# TODO: for gcfclient pleasure, we should give resources
		3042	# that gcfclient doesn't grok a >10000 face index.
		3043	my $res = $facedata->{resource};
		3044
		3045	my $soundconf = delete $res->{"res/sound.conf"};
		3046
		3047	while (my ($name, $info) = each %$res) {
		3048	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3049	my $data;
		3050
		3051	if ($info->{type} & 1) {
		3052	# prepend meta info
		3053
		3054	my $meta = $enc->encode ({
		3055	name => $name,
		3056	%{ $info->{meta} || {} },
		3057	});
		3058
		3059	$data = pack "(w/a*)*", $meta, $info->{data};
		3060	} else {
		3061	$data = $info->{data};
		3062	}
		3063
		3064	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3065	cf::face::set_type $idx, $info->{type};
		3066
		3067	cf::cede_to_tick;
		3068	}
		3069
		3070	if ($soundconf) {
		3071	$soundconf = $enc->decode (delete $soundconf->{data});
		3072
		3073	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3074	my $sound = $soundconf->{compat}[$_]
		3075	or next;
		3076
		3077	my $face = cf::face::find "sound/$sound->[1]";
		3078	cf::sound::set $sound->[0] => $face;
		3079	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3080	}
		3081
		3082	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3083	my $face = cf::face::find "sound/$v";
		3084	cf::sound::set $k => $face;
		3085	}
		3086	}
		3087	}
		3088
2508	1	3089	1
2509	}	3090	}
2510		3091
		3092	register_exticmd fx_want => sub {
		3093	my ($ns, $want) = @_;
		3094
		3095	while (my ($k, $v) = each %$want) {
		3096	$ns->fx_want ($k, $v);
		3097	}
		3098	};
		3099
2511	sub reload_regions {	3100	sub reload_regions {
		3101	# HACK to clear player env face cache, we need some signal framework
		3102	# for this (global event?)
		3103	%ext::player_env::MUSIC_FACE_CACHE = ();
		3104
2512	load_resource_file "$MAPDIR/regions"	3105	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3106	or die "unable to load regions file\n";
		3107
		3108	for (cf::region::list) {
		3109	$_->{match} = qr/$_->{match}/
		3110	if exists $_->{match};
		3111	}
2514	}	3112	}
2515		3113
2516	sub reload_facedata {	3114	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3115	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3116	or die "unable to load facedata\n";
2519	}	3117	}
2520		3118
2521	sub reload_archetypes {	3119	sub reload_archetypes {
2522	load_resource_file "$DATADIR/archetypes"	3120	load_resource_file "$DATADIR/archetypes"
2523	or die "unable to load archetypes\n";	3121	or die "unable to load archetypes\n";
		3122	#d# NEED to laod twice to resolve forward references
		3123	# this really needs to be done in an extra post-pass
		3124	# (which needs to be synchronous, so solve it differently)
		3125	load_resource_file "$DATADIR/archetypes"
		3126	or die "unable to load archetypes\n";
2524	}	3127	}
2525		3128
2526	sub reload_treasures {	3129	sub reload_treasures {
2527	load_resource_file "$DATADIR/treasures"	3130	load_resource_file "$DATADIR/treasures"
2528	or die "unable to load treasurelists\n";	3131	or die "unable to load treasurelists\n";
…		…
2531	sub reload_resources {	3134	sub reload_resources {
2532	warn "reloading resource files...\n";	3135	warn "reloading resource files...\n";
2533		3136
2534	reload_regions;	3137	reload_regions;
2535	reload_facedata;	3138	reload_facedata;
		3139	#reload_archetypes;#d#
2536	reload_archetypes;	3140	reload_archetypes;
2537	reload_treasures;	3141	reload_treasures;
2538		3142
2539	warn "finished reloading resource files\n";	3143	warn "finished reloading resource files\n";
2540	}	3144	}
2541		3145
2542	sub init {	3146	sub init {
2543	reload_resources;	3147	reload_resources;
2544	}	3148	}
2545		3149
2546	sub cfg_load {	3150	sub reload_config {
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3151	open my $fh, "<:utf8", "$CONFDIR/config"
2548	or return;	3152	or return;
2549		3153
2550	local $/;	3154	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;	3155	*CFG = YAML::Syck::Load <$fh>;
…		…
2571	(async {	3175	(async {
2572	Event::one_event;	3176	Event::one_event;
2573	})->prio (Coro::PRIO_MAX);	3177	})->prio (Coro::PRIO_MAX);
2574	};	3178	};
2575		3179
2576	cfg_load;	3180	reload_config;
2577	db_init;	3181	db_init;
2578	load_extensions;	3182	load_extensions;
2579		3183
2580	$TICK_WATCHER->start;	3184	$TICK_WATCHER->start;
2581	Event::loop;	3185	Event::loop;
…		…
2597	},	3201	},
2598	);	3202	);
2599	}	3203	}
2600	}	3204	}
2601		3205
		3206	sub write_runtime {
		3207	my $runtime = "$LOCALDIR/runtime";
		3208
		3209	# first touch the runtime file to show we are still running:
		3210	# the fsync below can take a very very long time.
		3211
		3212	IO::AIO::aio_utime $runtime, undef, undef;
		3213
		3214	my $guard = cf::lock_acquire "write_runtime";
		3215
		3216	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3217	or return;
		3218
		3219	my $value = $cf::RUNTIME + 90 + 10;
		3220	# 10 is the runtime save interval, for a monotonic clock
		3221	# 60 allows for the watchdog to kill the server.
		3222
		3223	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3224	and return;
		3225
		3226	# always fsync - this file is important
		3227	aio_fsync $fh
		3228	and return;
		3229
		3230	# touch it again to show we are up-to-date
		3231	aio_utime $fh, undef, undef;
		3232
		3233	close $fh
		3234	or return;
		3235
		3236	aio_rename "$runtime~", $runtime
		3237	and return;
		3238
		3239	warn "runtime file written.\n";
		3240
		3241	1
		3242	}
		3243
2602	sub emergency_save() {	3244	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3245	my $freeze_guard = cf::freeze_mainloop;
2604		3246
2605	warn "enter emergency perl save\n";	3247	warn "enter emergency perl save\n";
2606		3248
…		…
2681	%EXT_CORO = ();	3323	%EXT_CORO = ();
2682		3324
2683	warn "removing commands";	3325	warn "removing commands";
2684	%COMMAND = ();	3326	%COMMAND = ();
2685		3327
2686	warn "removing ext commands";	3328	warn "removing ext/exti commands";
2687	%EXTCMD = ();	3329	%EXTCMD = ();
		3330	%EXTICMD = ();
2688		3331
2689	warn "unloading/nuking all extensions";	3332	warn "unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {	3333	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";	3334	warn "... unloading $pkg";
2692		3335
…		…
2735	warn "reloading cf.pm";	3378	warn "reloading cf.pm";
2736	require cf;	3379	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3380	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2738		3381
2739	warn "loading config and database again";	3382	warn "loading config and database again";
2740	cf::cfg_load;	3383	cf::reload_config;
2741		3384
2742	warn "loading extensions";	3385	warn "loading extensions";
2743	cf::load_extensions;	3386	cf::load_extensions;
2744		3387
2745	warn "reattaching attachments to objects/players";	3388	warn "reattaching attachments to objects/players";
…		…
2809		3452
2810	my $signal = new Coro::Signal;	3453	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	3454	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	3455	$signal->wait;
2813	}	3456	}
		3457
		3458	our $stat_fh;
		3459	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2814		3460
2815	$TICK_WATCHER = Event->timer (	3461	$TICK_WATCHER = Event->timer (
2816	reentrant => 0,	3462	reentrant => 0,
2817	parked => 1,	3463	parked => 1,
2818	prio => 0,	3464	prio => 0,
…		…
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3469	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	3470	unless ++$bug_warning > 10;
2825	return;	3471	return;
2826	}	3472	}
2827		3473
		3474	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3475
2828	$NOW = Event::time;	3476	$NOW = $tick_start = Event::time;
2829		3477
2830	cf::server_tick; # one server iteration	3478	cf::server_tick; # one server iteration
2831		3479
2832	$RUNTIME += $TICK;	3480	$RUNTIME += $TICK;
2833	$NEXT_TICK += $TICK;	3481	$NEXT_TICK += $TICK;
…		…
2841	}	3489	}
2842		3490
2843	# my $AFTER = Event::time;	3491	# my $AFTER = Event::time;
2844	# warn $AFTER - $NOW;#d#	3492	# warn $AFTER - $NOW;#d#
2845		3493
		3494	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3495	$sig->send;
		3496	}
		3497	while (my $sig = shift @WAIT_FOR_TICK) {
		3498	$sig->send;
		3499	}
		3500
		3501	$NOW = Event::time;
		3502
2846	# if we are delayed by four ticks or more, skip them all	3503	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3504	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2848		3505
2849	$TICK_WATCHER->at ($NEXT_TICK);	3506	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;	3507	$TICK_WATCHER->start;
2851		3508
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3509	$LOAD = ($NOW - $tick_start) / $TICK;
2853	$sig->send;	3510	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2854	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;
2857	}
2858		3511
2859	_post_tick;	3512	_post_tick;
		3513
		3514	# gather some statistics#d#
		3515	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3516	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2860	},	3517	},
2861	);	3518	);
2862		3519
2863	{	3520	{
		3521	BDB::min_parallel 8;
2864	BDB::max_poll_time $TICK * 0.1;	3522	BDB::max_poll_time $TICK * 0.1;
2865	$BDB_POLL_WATCHER = Event->io (	3523	$BDB_POLL_WATCHER = Event->io (
2866	reentrant => 0,	3524	reentrant => 0,
2867	fd => BDB::poll_fileno,	3525	fd => BDB::poll_fileno,
2868	poll => 'r',	3526	poll => 'r',
2869	prio => 0,	3527	prio => 0,
2870	data => WF_AUTOCANCEL,	3528	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,	3529	cb => \&BDB::poll_cb,
2872	);	3530	);
2873	BDB::min_parallel 8;
2874		3531
2875	BDB::set_sync_prepare {	3532	BDB::set_sync_prepare {
2876	my $status;	3533	my $status;
2877	my $current = $Coro::current;	3534	my $current = $Coro::current;
2878	(	3535	(
…		…
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3556	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	3557	0666;
2901		3558
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3559	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903		3560
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3561	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3562	| BDB::LOG_AUTOREMOVE, 1);
2905	$DB_ENV->set_lk_detect;	3563	$DB_ENV->set_lk_detect;
2906	};	3564	};
2907		3565
2908	cf::cleanup "db_env_open(db): $@" if $@;	3566	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	3567	};
2910	}	3568	}
		3569
		3570	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3571	after => 11,
		3572	interval => 60,
		3573	hard => 1,
		3574	prio => 0,
		3575	data => WF_AUTOCANCEL,
		3576	cb => sub {
		3577	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3578	},
		3579	);
		3580	$BDB_TRICKLE_WATCHER = Event->timer (
		3581	after => 5,
		3582	interval => 10,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3588	},
		3589	);
2911	}	3590	}
2912		3591
2913	{	3592	{
2914	IO::AIO::min_parallel 8;	3593	IO::AIO::min_parallel 8;
2915		3594
…		…
2923	prio => 6,	3602	prio => 6,
2924	cb => \&IO::AIO::poll_cb,	3603	cb => \&IO::AIO::poll_cb,
2925	);	3604	);
2926	}	3605	}
2927		3606
		3607	my $_log_backtrace;
		3608
2928	sub _log_backtrace {	3609	sub _log_backtrace {
2929	my ($msg, @addr) = @_;	3610	my ($msg, @addr) = @_;
2930		3611
		3612	$msg =~ s/\n//;
		3613
		3614	# limit the # of concurrent backtraces
		3615	if ($_log_backtrace < 2) {
		3616	++$_log_backtrace;
2931	async {	3617	async {
2932	my @bt = fork_call {	3618	my @bt = fork_call {
2933	@addr = map { sprintf "%x", $_ } @addr;	3619	@addr = map { sprintf "%x", $_ } @addr;
		3620	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2934	open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |"	3621	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2935	or die "addr2line: $!";	3622	or die "addr2line: $!";
2936		3623
2937	my @funcs;	3624	my @funcs;
2938	my @res = <$fh>;	3625	my @res = <$fh>;
2939	chomp for @res;	3626	chomp for @res;
2940	while (@res) {	3627	while (@res) {
2941	my ($func, $line) = splice @res, 0, 2, ();	3628	my ($func, $line) = splice @res, 0, 2, ();
2942	push @funcs, "[$func] $line";	3629	push @funcs, "[$func] $line";
		3630	}
		3631
		3632	@funcs
2943	}	3633	};
2944		3634
2945	@funcs	3635	LOG llevInfo, "[ABT] $msg\n";
		3636	LOG llevInfo, "[ABT] $_\n" for @bt;
		3637	--$_log_backtrace;
2946	};	3638	};
2947		3639	} else {
2948	$msg =~ s/\n//;
2949
2950	LOG llevInfo, "[ABT] $msg\n";	3640	LOG llevInfo, "[ABT] $msg\n";
2951	LOG llevInfo, "[ABT] $_\n" for @bt;	3641	LOG llevInfo, "[ABT] [suppressed]\n";
2952	};	3642	}
2953	}	3643	}
2954		3644
2955	# load additional modules	3645	# load additional modules
2956	use cf::pod;	3646	use cf::pod;
2957		3647

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