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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.363 by root, Mon Sep 10 17:24:36 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	}
1538		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1540
1541	undef $guard;
1542	}	1975	}
1543		1976
1544	$self->post_load;	1977	$self->post_load;
1545	}	1978	}
1546		1979
…		…
1548	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1549		1982
1550	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	1984	if $self->per_player;
1552		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1553	$self	1989	$self
1554	}	1990	}
1555		1991
1556	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	1993	sub load_neighbours {
1558	my ($map) = @_;	1994	my ($map) = @_;
1559		1995
1560	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1561		1997
1562	for (0 .. 3) {	1998	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1564	or next;	2000	or next;
1565	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1566	or next;	2002	or next;
1567	$neigh->load;	2003	$neigh->load;
1568		2004
		2005	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	2008	}
1572		2009
1573	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1575	or next;	2013	or next;
1576	$neigh->load;	2014	$neigh->load;
1577	}	2015	}
1578	}	2016	}
1579		2017
…		…
1584	}	2022	}
1585		2023
1586	sub do_load_sync {	2024	sub do_load_sync {
1587	my ($map) = @_;	2025	my ($map) = @_;
1588		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1589	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1590	}	2031	}
1591		2032
1592	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1594		2035
1595	sub find_async {	2036	sub find_async {
1596	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1597		2038
1598	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1599		2040
1600	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1602	}	2043	}
1603		2044
1604	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1605	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1606	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2050	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2051	$map->load if $v;
		2052	}
1611		2053
1612	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1613	}	2055	}
1614	}	2056	}
1615	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1616	};	2058	};
1617	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2062	}
1621		2063
1622	sub save {	2064	sub save {
1623	my ($self) = @_;	2065	my ($self) = @_;
1624		2066
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2068
1627	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1628		2070
1629	return unless $self->dirty;	2071	return unless $self->dirty;
1630		2072
…		…
1653	my ($self) = @_;	2095	my ($self) = @_;
1654		2096
1655	# save first because save cedes	2097	# save first because save cedes
1656	$self->save;	2098	$self->save;
1657		2099
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2101
1660	return if $self->players;	2102	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1662	return if $self->{deny_save};	2104	return if $self->{deny_save};
1663		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2110	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2111	}
1667		2112
1668	sub reset_at {	2113	sub reset_at {
1669	my ($self) = @_;	2114	my ($self) = @_;
1670		2115
1671	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1674		2118
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2121
…		…
1688	my ($self) = @_;	2132	my ($self) = @_;
1689		2133
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2135
1692	return if $self->players;	2136	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2137
1695	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1696		2139
1697	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1698		2141
1699	# need to save uniques path	2142	# need to save uniques path
1700	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2147	if $uniq;
1705	}	2148	}
1706		2149
1707	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1708		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2154	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2155
1713	$self->unlink_save;	2156	$self->unlink_save;
1714	$self->destroy;	2157	$self->destroy;
1715	}	2158	}
1716		2159
1717	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1718		2161
1719	sub nuke {	2162	sub nuke {
1720	my ($self) = @_;	2163	my ($self) = @_;
1721		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1722	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1723		2169
1724	$self->unlink_save;	2170	$self->unlink_save;
1725		2171
1726	bless $self, "cf::map";	2172	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2177
1732	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1733		2180
1734	$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	]
1735	}	2218	}
1736		2219
1737	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1738		2221
1739	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2223	instantiated unique items. May block.
1741		2224
1742	=cut	2225	=cut
1743		2226
1744	sub unique_maps() {	2227	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2228	[
1746	or return;	2229	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2230	utf8::decode $_;
1752	next if /\.pst$/;	2231	/\.map$/
1753	next unless /^$PATH_SEP/o;	2232	? normalise $_
1754		2233	: ()
1755	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2235	]
1757
1758	\@paths
1759	}	2236	}
1760		2237
1761	package cf;	2238	package cf;
1762		2239
1763	=back	2240	=back
…		…
1781	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1782	}	2259	}
1783		2260
1784	sub inv_recursive {	2261	sub inv_recursive {
1785	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	}
1786	}	2294	}
1787		2295
1788	package cf;	2296	package cf;
1789		2297
1790	=back	2298	=back
…		…
1809		2317
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2319
1812	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1814	} 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 {
1815	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1817	}	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 (@_);
1818	}	2345	}
1819		2346
1820	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1821		2348
1822	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1869	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1870		2397
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2399
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1875		2402
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2404	}
1878		2405
1879	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1881		2410
1882	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1883		2412
1884	unless ($map) {	2413	unless ($map) {
1885	# restore original map position	2414	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1902		2431
1903	$map->load;	2432	$map->load;
1904	$map->load_diag;	2433	$map->load_neighbours;
1905		2434
1906	return unless $self->contr->active;	2435	return unless $self->contr->active;
1907	$self->activate_recursive;	2436	$self->activate_recursive;
1908		2437
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1911	}	2440	}
1912		2441
1913	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2443
1917	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1921	};	2448	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2449
1927	# try to abort aborted map switching on player login :)
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1948		2453
1949	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1950	my ($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;
1951		2459
1952	$self->enter_link;	2460	$self->enter_link;
1953		2461
1954	(async {	2462	(async {
1955	my $map = eval {	2463	my $map = eval {
1956	my $map = cf::map::find $path;	2464	my $map = cf::map::find $path;
		2465
		2466	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2467	$map = $map->customise_for ($self);
		2468	$map = $check->($map) if $check && $map;
		2469	} else {
		2470	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472
1958	$map	2473	$map
		2474	};
		2475
		2476	if ($@) {
		2477	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2478	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2479	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2480
		2481	if ($gen == $self->{_goto_generation}) {
		2482	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2483	$self->leave_link ($map, $x, $y);
		2484	}
		2485
		2486	$done->() if $done;
1963	})->prio (1);	2487	})->prio (1);
1964	}	2488	}
1965		2489
1966	=item $player_object->enter_exit ($exit_object)	2490	=item $player_object->enter_exit ($exit_object)
1967		2491
…		…
2036	my $hp = $exit->stats->hp;	2560	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;	2561	my $sp = $exit->stats->sp;
2038		2562
2039	$self->enter_link;	2563	$self->enter_link;
2040		2564
		2565	# if exit is damned, update players death & WoR home-position
		2566	$self->contr->savebed ($slaying, $hp, $sp)
		2567	if $exit->flag (FLAG_DAMNED);
		2568
2041	(async {	2569	(async {
2042	$self->deactivate_recursive; # just to be sure	2570	$self->deactivate_recursive; # just to be sure
2043	unless (eval {	2571	unless (eval {
2044	$self->goto ($slaying, $hp, $sp);	2572	$self->goto ($slaying, $hp, $sp);
2045		2573
…		…
2072		2600
2073	utf8::encode $text;	2601	utf8::encode $text;
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2602	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075	}	2603	}
2076		2604
		2605	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	Send a drawinfo or msg packet to the client, formatting the msg for the
		2608	client if neccessary. C<$type> should be a string identifying the type of
		2609	the message, with C<log> being the default. If C<$color> is negative, suppress
		2610	the message unless the client supports the msg packet.
		2611
		2612	=cut
		2613
		2614	our %CHANNEL = (
		2615	"c/identify" => {
		2616	id => "identify",
		2617	title => "Identify",
		2618	reply => undef,
		2619	tooltip => "Items recently identified",
		2620	},
		2621	"c/examine" => {
		2622	id => "examine",
		2623	title => "Examine",
		2624	reply => undef,
		2625	tooltip => "Signs and other items you examined",
		2626	},
		2627	);
		2628
		2629	sub cf::client::send_msg {
		2630	my ($self, $channel, $msg, $color, @extra) = @_;
		2631
		2632	$msg = $self->pl->expand_cfpod ($msg);
		2633
		2634	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2635
		2636	# check predefined channels, for the benefit of C
		2637	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2638
		2639	if (ref $channel) {
		2640	# send meta info to client, if not yet sent
		2641	unless (exists $self->{channel}{$channel->{id}}) {
		2642	$self->{channel}{$channel->{id}} = $channel;
		2643	$self->ext_msg (channel_info => $channel)
		2644	if $self->can_msg;
		2645	}
		2646
		2647	$channel = $channel->{id};
		2648	}
		2649
		2650	return unless @extra || length $msg;
		2651
		2652	if ($self->can_msg) {
		2653	# default colour, mask it out
		2654	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2655	if $color & cf::NDI_DEF;
		2656
		2657	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2658	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2659	} else {
		2660	if ($color >= 0) {
		2661	# replace some tags by gcfclient-compatible ones
		2662	for ($msg) {
		2663	1 while
		2664	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2665	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2666	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2667	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2668	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2669	}
		2670
		2671	$color &= cf::NDI_COLOR_MASK;
		2672
		2673	utf8::encode $msg;
		2674
		2675	if (0 && $msg =~ /\[/) {
		2676	# COMMAND/INFO
		2677	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2678	} else {
		2679	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2680	$self->send_packet ("drawinfo $color $msg")
		2681	}
		2682	}
		2683	}
		2684	}
		2685
2077	=item $client->ext_event ($type, %msg)	2686	=item $client->ext_msg ($type, @msg)
2078		2687
2079	Sends an exti event to the client.	2688	Sends an ext event to the client.
2080		2689
2081	=cut	2690	=cut
2082		2691
2083	sub cf::client::ext_event($$%) {	2692	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2693	my ($self, $type, @msg) = @_;
2085		2694
		2695	if ($self->extcmd == 2) {
		2696	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2697	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2698	push @msg, msgtype => "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	2699	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2700	}
		2701	}
		2702
		2703	=item $client->ext_reply ($msgid, @msg)
		2704
		2705	Sends an ext reply to the client.
		2706
		2707	=cut
		2708
		2709	sub cf::client::ext_reply($$@) {
		2710	my ($self, $id, @msg) = @_;
		2711
		2712	if ($self->extcmd == 2) {
		2713	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2714	} elsif ($self->extcmd == 1) {
		2715	#TODO: version 1, remove
		2716	unshift @msg, msgtype => "reply", msgid => $id;
		2717	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2718	}
2088	}	2719	}
2089		2720
2090	=item $success = $client->query ($flags, "text", \&cb)	2721	=item $success = $client->query ($flags, "text", \&cb)
2091		2722
2092	Queues a query to the client, calling the given callback with	2723	Queues a query to the client, calling the given callback with
2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2724	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2725	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		2726
2096	Queries can fail, so check the return code. Or don't, as queries will become	2727	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	2728	become reliable at some point in the future.
2098		2729
2099	=cut	2730	=cut
2100		2731
2101	sub cf::client::query {	2732	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2733	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2741	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2742	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2743
2113	$self->send_packet ($self->{query_queue}[0][0])	2744	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2745	if @{ $self->{query_queue} } == 1;
		2746
		2747	1
2115	}	2748	}
2116		2749
2117	cf::client->attach (	2750	cf::client->attach (
		2751	on_connect => sub {
		2752	my ($ns) = @_;
		2753
		2754	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2755	},
2118	on_reply => sub {	2756	on_reply => sub {
2119	my ($ns, $msg) = @_;	2757	my ($ns, $msg) = @_;
2120		2758
2121	# this weird shuffling is so that direct followup queries	2759	# this weird shuffling is so that direct followup queries
2122	# get handled first	2760	# get handled first
…		…
2134	} else {	2772	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2773	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2774	}
2137	}	2775	}
2138	},	2776	},
		2777	on_exticmd => sub {
		2778	my ($ns, $buf) = @_;
		2779
		2780	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2781
		2782	if (ref $msg) {
		2783	my ($type, $reply, @payload) =
		2784	"ARRAY" eq ref $msg
		2785	? @$msg
		2786	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2787
		2788	my @reply;
		2789
		2790	if (my $cb = $EXTICMD{$type}) {
		2791	@reply = $cb->($ns, @payload);
		2792	}
		2793
		2794	$ns->ext_reply ($reply, @reply)
		2795	if $reply;
		2796
		2797	} else {
		2798	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2799	}
		2800
		2801	cf::override;
		2802	},
2139	);	2803	);
2140		2804
2141	=item $client->async (\&cb)	2805	=item $client->async (\&cb)
2142		2806
2143	Create a new coroutine, running the specified callback. The coroutine will	2807	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	2848	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	2849	our $safe_hole = new Safe::Hole;
2186		2850
2187	$SIG{FPE} = 'IGNORE';	2851	$SIG{FPE} = 'IGNORE';
2188		2852
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2853	$safe->permit_only (Opcode::opset qw(
		2854	:base_core :base_mem :base_orig :base_math
		2855	grepstart grepwhile mapstart mapwhile
		2856	sort time
		2857	));
2190		2858
2191	# here we export the classes and methods available to script code	2859	# here we export the classes and methods available to script code
2192		2860
2193	=pod	2861	=pod
2194		2862
2195	The following functions and methods are available within a safe environment:	2863	The following functions and methods are available within a safe environment:
2196		2864
2197	cf::object contr pay_amount pay_player map	2865	cf::object
		2866	contr pay_amount pay_player map x y force_find force_add
		2867	insert remove name archname title slaying race decrease_ob_nr
		2868
2198	cf::object::player player	2869	cf::object::player
2199	cf::player peaceful	2870	player
2200	cf::map trigger	2871
		2872	cf::player
		2873	peaceful
		2874
		2875	cf::map
		2876	trigger
2201		2877
2202	=cut	2878	=cut
2203		2879
2204	for (	2880	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	2881	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2882	insert remove inv name archname title slaying race
		2883	decrease_ob_nr)],
2206	["cf::object::player" => qw(player)],	2884	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	2885	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	2886	["cf::map" => qw(trigger)],
2209	) {	2887	) {
2210	no strict 'refs';	2888	no strict 'refs';
…		…
2281	=back	2959	=back
2282		2960
2283	=cut	2961	=cut
2284		2962
2285	#############################################################################	2963	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	2964	# the server's init and main functions
2460		2965
2461	sub load_facedata($) {	2966	sub load_facedata($) {
2462	my ($path) = @_;	2967	my ($path) = @_;
		2968
		2969	# HACK to clear player env face cache, we need some signal framework
		2970	# for this (global event?)
		2971	%ext::player_env::MUSIC_FACE_CACHE = ();
		2972
		2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2463		2974
2464	warn "loading facedata from $path\n";	2975	warn "loading facedata from $path\n";
2465		2976
2466	my $facedata;	2977	my $facedata;
2467	0 < aio_load $path, $facedata	2978	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	2981	$facedata = Coro::Storable::thaw $facedata;
2471		2982
2472	$facedata->{version} == 2	2983	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	2984	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		2985
		2986	# patch in the exptable
		2987	$facedata->{resource}{"res/exp_table"} = {
		2988	type => FT_RSRC,
		2989	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2990	};
		2991	cf::cede_to_tick;
		2992
2475	{	2993	{
2476	my $faces = $facedata->{faceinfo};	2994	my $faces = $facedata->{faceinfo};
2477		2995
2478	while (my ($face, $info) = each %$faces) {	2996	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2998	cf::face::set_visibility $idx, $info->{visibility};
		2999	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3000	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3001	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	3002
		3003	cf::cede_to_tick;
2484	}	3004	}
2485		3005
2486	while (my ($face, $info) = each %$faces) {	3006	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3007	next unless $info->{smooth};
2488	my $idx = cf::face::find $face	3008	my $idx = cf::face::find $face
2489	or next;	3009	or next;
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3010	if (my $smooth = cf::face::find $info->{smooth}) {
		3011	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3012	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3013	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3014	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3015	}
2495	Coro::cede;	3016
		3017	cf::cede_to_tick;
2496	}	3018	}
2497	}	3019	}
2498		3020
2499	{	3021	{
2500	my $anims = $facedata->{animinfo};	3022	my $anims = $facedata->{animinfo};
2501		3023
2502	while (my ($anim, $info) = each %$anims) {	3024	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3025	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3026	cf::cede_to_tick;
2505	}	3027	}
2506		3028
2507	cf::anim::invalidate_all; # d'oh	3029	cf::anim::invalidate_all; # d'oh
2508	}	3030	}
2509		3031
		3032	{
		3033	# TODO: for gcfclient pleasure, we should give resources
		3034	# that gcfclient doesn't grok a >10000 face index.
		3035	my $res = $facedata->{resource};
		3036
		3037	my $soundconf = delete $res->{"res/sound.conf"};
		3038
		3039	while (my ($name, $info) = each %$res) {
		3040	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3041	my $data;
		3042
		3043	if ($info->{type} & 1) {
		3044	# prepend meta info
		3045
		3046	my $meta = $enc->encode ({
		3047	name => $name,
		3048	%{ $info->{meta} || {} },
		3049	});
		3050
		3051	$data = pack "(w/a*)*", $meta, $info->{data};
		3052	} else {
		3053	$data = $info->{data};
		3054	}
		3055
		3056	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3057	cf::face::set_type $idx, $info->{type};
		3058
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	if ($soundconf) {
		3063	$soundconf = $enc->decode (delete $soundconf->{data});
		3064
		3065	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3066	my $sound = $soundconf->{compat}[$_]
		3067	or next;
		3068
		3069	my $face = cf::face::find "sound/$sound->[1]";
		3070	cf::sound::set $sound->[0] => $face;
		3071	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3072	}
		3073
		3074	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3075	my $face = cf::face::find "sound/$v";
		3076	cf::sound::set $k => $face;
		3077	}
		3078	}
		3079	}
		3080
2510	1	3081	1
2511	}	3082	}
2512		3083
		3084	register_exticmd fx_want => sub {
		3085	my ($ns, $want) = @_;
		3086
		3087	while (my ($k, $v) = each %$want) {
		3088	$ns->fx_want ($k, $v);
		3089	}
		3090	};
		3091
2513	sub reload_regions {	3092	sub reload_regions {
		3093	# HACK to clear player env face cache, we need some signal framework
		3094	# for this (global event?)
		3095	%ext::player_env::MUSIC_FACE_CACHE = ();
		3096
2514	load_resource_file "$MAPDIR/regions"	3097	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3098	or die "unable to load regions file\n";
		3099
		3100	for (cf::region::list) {
		3101	$_->{match} = qr/$_->{match}/
		3102	if exists $_->{match};
		3103	}
2516	}	3104	}
2517		3105
2518	sub reload_facedata {	3106	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3107	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3108	or die "unable to load facedata\n";
2521	}	3109	}
2522		3110
2523	sub reload_archetypes {	3111	sub reload_archetypes {
2524	load_resource_file "$DATADIR/archetypes"	3112	load_resource_file "$DATADIR/archetypes"
2525	or die "unable to load archetypes\n";	3113	or die "unable to load archetypes\n";
		3114	#d# NEED to laod twice to resolve forward references
		3115	# this really needs to be done in an extra post-pass
		3116	# (which needs to be synchronous, so solve it differently)
		3117	load_resource_file "$DATADIR/archetypes"
		3118	or die "unable to load archetypes\n";
2526	}	3119	}
2527		3120
2528	sub reload_treasures {	3121	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	3122	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	3123	or die "unable to load treasurelists\n";
…		…
2533	sub reload_resources {	3126	sub reload_resources {
2534	warn "reloading resource files...\n";	3127	warn "reloading resource files...\n";
2535		3128
2536	reload_regions;	3129	reload_regions;
2537	reload_facedata;	3130	reload_facedata;
		3131	#reload_archetypes;#d#
2538	reload_archetypes;	3132	reload_archetypes;
2539	reload_treasures;	3133	reload_treasures;
2540		3134
2541	warn "finished reloading resource files\n";	3135	warn "finished reloading resource files\n";
2542	}	3136	}
2543		3137
2544	sub init {	3138	sub init {
2545	reload_resources;	3139	reload_resources;
2546	}	3140	}
2547		3141
2548	sub cfg_load {	3142	sub reload_config {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3143	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3144	or return;
2551		3145
2552	local $/;	3146	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3147	*CFG = YAML::Syck::Load <$fh>;
…		…
2573	(async {	3167	(async {
2574	Event::one_event;	3168	Event::one_event;
2575	})->prio (Coro::PRIO_MAX);	3169	})->prio (Coro::PRIO_MAX);
2576	};	3170	};
2577		3171
2578	cfg_load;	3172	reload_config;
2579	db_init;	3173	db_init;
2580	load_extensions;	3174	load_extensions;
2581		3175
2582	$TICK_WATCHER->start;	3176	$TICK_WATCHER->start;
2583	Event::loop;	3177	Event::loop;
…		…
2599	},	3193	},
2600	);	3194	);
2601	}	3195	}
2602	}	3196	}
2603		3197
		3198	sub write_runtime {
		3199	my $runtime = "$LOCALDIR/runtime";
		3200
		3201	# first touch the runtime file to show we are still running:
		3202	# the fsync below can take a very very long time.
		3203
		3204	IO::AIO::aio_utime $runtime, undef, undef;
		3205
		3206	my $guard = cf::lock_acquire "write_runtime";
		3207
		3208	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3209	or return;
		3210
		3211	my $value = $cf::RUNTIME + 90 + 10;
		3212	# 10 is the runtime save interval, for a monotonic clock
		3213	# 60 allows for the watchdog to kill the server.
		3214
		3215	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3216	and return;
		3217
		3218	# always fsync - this file is important
		3219	aio_fsync $fh
		3220	and return;
		3221
		3222	# touch it again to show we are up-to-date
		3223	aio_utime $fh, undef, undef;
		3224
		3225	close $fh
		3226	or return;
		3227
		3228	aio_rename "$runtime~", $runtime
		3229	and return;
		3230
		3231	warn "runtime file written.\n";
		3232
		3233	1
		3234	}
		3235
2604	sub emergency_save() {	3236	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3237	my $freeze_guard = cf::freeze_mainloop;
2606		3238
2607	warn "enter emergency perl save\n";	3239	warn "enter emergency perl save\n";
2608		3240
…		…
2683	%EXT_CORO = ();	3315	%EXT_CORO = ();
2684		3316
2685	warn "removing commands";	3317	warn "removing commands";
2686	%COMMAND = ();	3318	%COMMAND = ();
2687		3319
2688	warn "removing ext commands";	3320	warn "removing ext/exti commands";
2689	%EXTCMD = ();	3321	%EXTCMD = ();
		3322	%EXTICMD = ();
2690		3323
2691	warn "unloading/nuking all extensions";	3324	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	3325	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	3326	warn "... unloading $pkg";
2694		3327
…		…
2737	warn "reloading cf.pm";	3370	warn "reloading cf.pm";
2738	require cf;	3371	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3373
2741	warn "loading config and database again";	3374	warn "loading config and database again";
2742	cf::cfg_load;	3375	cf::reload_config;
2743		3376
2744	warn "loading extensions";	3377	warn "loading extensions";
2745	cf::load_extensions;	3378	cf::load_extensions;
2746		3379
2747	warn "reattaching attachments to objects/players";	3380	warn "reattaching attachments to objects/players";
…		…
2812	my $signal = new Coro::Signal;	3445	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3446	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3447	$signal->wait;
2815	}	3448	}
2816		3449
		3450	my $min = 1e6;#d#
		3451	my $avg = 10;
2817	$TICK_WATCHER = Event->timer (	3452	$TICK_WATCHER = Event->timer (
2818	reentrant => 0,	3453	reentrant => 0,
2819	parked => 1,	3454	parked => 1,
2820	prio => 0,	3455	prio => 0,
2821	at => $NEXT_TICK || $TICK,	3456	at => $NEXT_TICK || $TICK,
…		…
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3460	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3461	unless ++$bug_warning > 10;
2827	return;	3462	return;
2828	}	3463	}
2829		3464
2830	$NOW = Event::time;	3465	$NOW = $tick_start = Event::time;
2831		3466
2832	cf::server_tick; # one server iteration	3467	cf::server_tick; # one server iteration
		3468
		3469	0 && sync_job {#d#
		3470	for(1..10) {
		3471	my $t = Event::time;
		3472	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3473	or die;
		3474
		3475	$map->width (50);
		3476	$map->height (50);
		3477	$map->alloc;
		3478	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3479	my $t = Event::time - $t;
		3480
		3481	#next unless $t < 0.0013;#d#
		3482	if ($t < $min) {
		3483	$min = $t;
		3484	}
		3485	$avg = $avg * 0.99 + $t * 0.01;
		3486	}
		3487	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3488	exit 0;
		3489	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3490	};
2833		3491
2834	$RUNTIME += $TICK;	3492	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;	3493	$NEXT_TICK += $TICK;
2836		3494
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3495	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2843	}	3501	}
2844		3502
2845	# my $AFTER = Event::time;	3503	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#	3504	# warn $AFTER - $NOW;#d#
2847		3505
		3506	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3507	$sig->send;
		3508	}
		3509	while (my $sig = shift @WAIT_FOR_TICK) {
		3510	$sig->send;
		3511	}
		3512
		3513	$NOW = Event::time;
		3514
2848	# if we are delayed by four ticks or more, skip them all	3515	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3516	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2850		3517
2851	$TICK_WATCHER->at ($NEXT_TICK);	3518	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;	3519	$TICK_WATCHER->start;
2853		3520
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3521	$LOAD = ($NOW - $tick_start) / $TICK;
2855	$sig->send;	3522	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2856	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;
2859	}
2860		3523
2861	_post_tick;	3524	_post_tick;
		3525
		3526
2862	},	3527	},
2863	);	3528	);
2864		3529
2865	{	3530	{
		3531	BDB::min_parallel 8;
2866	BDB::max_poll_time $TICK * 0.1;	3532	BDB::max_poll_time $TICK * 0.1;
2867	$BDB_POLL_WATCHER = Event->io (	3533	$BDB_POLL_WATCHER = Event->io (
2868	reentrant => 0,	3534	reentrant => 0,
2869	fd => BDB::poll_fileno,	3535	fd => BDB::poll_fileno,
2870	poll => 'r',	3536	poll => 'r',
2871	prio => 0,	3537	prio => 0,
2872	data => WF_AUTOCANCEL,	3538	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,	3539	cb => \&BDB::poll_cb,
2874	);	3540	);
2875	BDB::min_parallel 8;
2876		3541
2877	BDB::set_sync_prepare {	3542	BDB::set_sync_prepare {
2878	my $status;	3543	my $status;
2879	my $current = $Coro::current;	3544	my $current = $Coro::current;
2880	(	3545	(
…		…
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3566	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	3567	0666;
2903		3568
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3569	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905		3570
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3571	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3572	| BDB::LOG_AUTOREMOVE, 1);
2907	$DB_ENV->set_lk_detect;	3573	$DB_ENV->set_lk_detect;
2908	};	3574	};
2909		3575
2910	cf::cleanup "db_env_open(db): $@" if $@;	3576	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	3577	};
2912	}	3578	}
		3579
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
2913	}	3600	}
2914		3601
2915	{	3602	{
2916	IO::AIO::min_parallel 8;	3603	IO::AIO::min_parallel 8;
2917		3604
…		…
2925	prio => 6,	3612	prio => 6,
2926	cb => \&IO::AIO::poll_cb,	3613	cb => \&IO::AIO::poll_cb,
2927	);	3614	);
2928	}	3615	}
2929		3616
		3617	my $_log_backtrace;
		3618
		3619	sub _log_backtrace {
		3620	my ($msg, @addr) = @_;
		3621
		3622	$msg =~ s/\n//;
		3623
		3624	# limit the # of concurrent backtraces
		3625	if ($_log_backtrace < 2) {
		3626	++$_log_backtrace;
		3627	async {
		3628	my @bt = fork_call {
		3629	@addr = map { sprintf "%x", $_ } @addr;
		3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3632	or die "addr2line: $!";
		3633
		3634	my @funcs;
		3635	my @res = <$fh>;
		3636	chomp for @res;
		3637	while (@res) {
		3638	my ($func, $line) = splice @res, 0, 2, ();
		3639	push @funcs, "[$func] $line";
		3640	}
		3641
		3642	@funcs
		3643	};
		3644
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] $_\n" for @bt;
		3647	--$_log_backtrace;
		3648	};
		3649	} else {
		3650	LOG llevInfo, "[ABT] $msg\n";
		3651	LOG llevInfo, "[ABT] [suppressed]\n";
		3652	}
		3653	}
		3654
2930	# load additional modules	3655	# load additional modules
2931	use cf::pod;	3656	use cf::pod;
2932		3657
2933	END { cf::emergency_save }	3658	END { cf::emergency_save }
2934		3659

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