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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.254 by root, Thu Apr 19 11:12:45 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 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;
…		…
83	our %CFG;	87	our %CFG;
84		88
85	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	90	our $RUNTIME;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
94		102
95	binmode STDOUT;	103	binmode STDOUT;
96	binmode STDERR;	104	binmode STDERR;
97		105
98	# read virtual server time, if available	106	# read virtual server time, if available
…		…
139		147
140	=item $cf::TICK	148	=item $cf::TICK
141		149
142	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
143		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
		161
144	=item %cf::CFG	162	=item %cf::CFG
145		163
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	165	from wherever your confdir points to.
148		166
…		…
150		168
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	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	170	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.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
155	=back	179	=back
156		180
157	=cut	181	=cut
158		182
159	BEGIN {	183	BEGIN {
…		…
161	my $msg = join "", @_;	185	my $msg = join "", @_;
162		186
163	$msg .= "\n"	187	$msg .= "\n"
164	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
165		189
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		191
168	utf8::encode $msg;	192	utf8::encode $msg;
169	LOG llevError, $msg;	193	LOG llevError, $msg;
170	};	194	};
171	}	195	}
…		…
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		204
180	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	206	# within the Safe compartment.
182	for my $pkg (qw(	207	for my $pkg (qw(
183	cf::global cf::attachable	208	cf::global cf::attachable
…		…
191	}	216	}
192		217
193	$Event::DIED = sub {	218	$Event::DIED = sub {
194	warn "error in event callback: @_";	219	warn "error in event callback: @_";
195	};	220	};
		221
		222	#############################################################################
196		223
197	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
198		225
199	=over 4	226	=over 4
200		227
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	247	$d
221	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
222	}	249	}
223		250
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
227		252
228	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
229		254
230	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
231		256
232	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
233		265
234	=item cf::lock_wait $string	266	=item cf::lock_wait $string
235		267
236	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
237		269
…		…
240	Wait until the given lock is available and then acquires it and returns	272	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,	273	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	274	for example when the coroutine gets canceled), the lock is automatically
243	returned.	275	returned.
244		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
245	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
247		282
248	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
249		284
250	Return true if the lock is currently active, i.e. somebody has locked it.	285	Return true if the lock is currently active, i.e. somebody has locked it.
251		286
252	=cut	287	=cut
253		288
254	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
255		291
256	sub lock_wait($) {	292	sub lock_wait($) {
257	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
258		299
259	# wait for lock, if any	300	# wait for lock, if any
260	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	303	Coro::schedule;
…		…
268		309
269	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
270	lock_wait $key;	311	lock_wait $key;
271		312
272	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
273		315
274	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
277	}	320	}
278	}	321	}
279		322
…		…
291	};	334	};
292	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
293	$guard	336	$guard
294	}	337	}
295		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
		393	}
		394
296	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
297		396
298	Currently the same as Coro::async_pool, meaning you cannot use	397	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	398	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.	399	thing you are allowed to do is call C<prio> on it.
…		…
303		402
304	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
305		404
306	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
307		406
308	The design of crossfire+ requires that the main coro ($Coro::main) is	407	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	408	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.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
311		411
312	If it must be done, put the blocking parts into C<sync_job>. This will run	412	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	413	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	414	server will be frozen during this time, so the block should either finish
315	fast or be very important.	415	fast or be very important.
…		…
318		418
319	sub sync_job(&) {	419	sub sync_job(&) {
320	my ($job) = @_;	420	my ($job) = @_;
321		421
322	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
323	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
325		427
326	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
338		440
339	while ($busy) {	441	while ($busy) {
340	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
341	}	443	}
342		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
343	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
344	} else {	453	} else {
345	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
346		455
347	$job->()	456	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
367		476
368	$coro	477	$coro
369	}	478	}
370		479
371	sub write_runtime {	480	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		481
374	my $runtime = "$LOCALDIR/runtime";	482	Executes the given code block with the given arguments in a seperate
		483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
375		486
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	=cut
377	or return;
378		488
379	my $value = $cf::RUNTIME + 90 + 10;	489	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	490	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		491
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	492	# we seemingly have to make a local copy of the whole thing,
384	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
385		495
386	# always fsync - this file is important	496	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	497	reset_signals;
388	and return;	498	&$cb
		499	}, @args;
389		500
390	close $fh	501	wantarray ? @res : $res[-1]
391	or return;	502	}
392		503
393	aio_rename "$runtime~", $runtime	504	=item $value = cf::db_get $family => $key
394	and return;
395		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
396	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
397	}	618	}
398		619
399	=item cf::datalog type => key => value, ...	620	=item cf::datalog type => key => value, ...
400		621
401	Log a datalog packet of the given type with the given key-value pairs.	622	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")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
421		642
422	In the following description, CLASS can be any of C<global>, C<object>	643	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	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	645	Crossfire TRT).
425		646
426	=over 4	647	=over 4
427		648
428	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
429		650
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
593		814
594	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		819
599	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	821	my $pkg = shift @arg;
601		822
602	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
632	}	853	}
633		854
634	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
635	} else {	856	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	858	}
638		859
639	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
640	}	861	}
641		862
…		…
643	if (ref $_[0]) {	864	if (ref $_[0]) {
644	_object_attach @_;	865	_object_attach @_;
645	} else {	866	} else {
646	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
647	}	868	}
		869	_recalc_want;
648	};	870	};
649		871
650	# all those should be optimised	872	# all those should be optimised
651	sub cf::attachable::detach {	873	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
656	reattach ($obj);	878	reattach ($obj);
657	} else {	879	} else {
658	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
659	}	881	}
		882	_recalc_want;
660	};	883	};
661		884
662	sub cf::attachable::attached {	885	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
664		887
…		…
679	";	902	";
680	die if $@;	903	die if $@;
681	}	904	}
682		905
683	our $override;	906	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		908
686	sub override {	909	sub override {
687	$override = 1;	910	$override = 1;
688	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
689	}	912	}
690		913
691	sub do_invoke {	914	sub do_invoke {
692	my $event = shift;	915	my $event = shift;
693	my $callbacks = shift;	916	my $callbacks = shift;
694		917
695	@invoke_results = ();	918	@INVOKE_RESULTS = ();
696		919
697	local $override;	920	local $override;
698		921
699	for (@$callbacks) {	922	for (@$callbacks) {
700	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
717		940
718	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
719		942
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	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	944	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		946
724	=back	947	=back
725		948
726	=cut	949	=cut
727		950
728	#############################################################################	951	#############################################################################
729	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
730		964
731	sub reattach {	965	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	967	my ($obj) = @_;
734		968
…		…
778	},	1012	},
779	);	1013	);
780		1014
781	sub object_freezer_save {	1015	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
783		1019
784	sync_job {	1020	sync_job {
785	if (length $$rdata) {	1021	if (length $$rdata) {
786	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
811	}	1047	}
812	} else {	1048	} else {
813	aio_unlink $filename;	1049	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
815	}	1051	}
816	}	1052	};
		1053
		1054	undef $guard;
817	}	1055	}
818		1056
819	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
821		1059
…		…
826		1064
827	sub object_thawer_load {	1065	sub object_thawer_load {
828	my ($filename) = @_;	1066	my ($filename) = @_;
829		1067
830	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
831		1071
832	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
833	or return;	1073	or return;
834		1074
835	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
837	or return;	1077	or return;
		1078
		1079	undef $guard;
838	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1081	}
840		1082
841	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
843	return ($data, $av);	1086	($data, $av)
844	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
845		1094
846	#############################################################################	1095	#############################################################################
847	# command handling &c	1096	# command handling &c
848		1097
849	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1112	}
864		1113
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1115
867	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
868		1121
869	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
870	called.	1123	called.
871		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
872	=cut	1136	=cut
873		1137
874	sub register_extcmd {	1138	sub register_extcmd {
875	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
876		1140
877	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
878	}	1148	}
879		1149
880	cf::player->attach (	1150	cf::player->attach (
881	on_command => sub {	1151	on_command => sub {
882	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1161	cf::override;
892	},	1162	},
893	on_extcmd => sub {	1163	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
895		1165
896	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1167
898	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
904	} else {	1183	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1185	}
907		1186
908	cf::override;	1187	cf::override;
909	},	1188	},
910	);	1189	);
911		1190
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 {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
947	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1196	next unless -r $path;
949	eval {	1197
950	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
951	1	1255	}
952	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
953	}	1261	};
954	}	1262	}
955		1263
956	#############################################################################	1264	#############################################################################
		1265
		1266	=back
957		1267
958	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
959		1269
960	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
961		1271
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1324	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1325
1016	my $pl = load_pl path $login	1326	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
1019	}	1335	}
1020	}	1336	}
1021	}	1337	}
1022		1338
…		…
1032		1348
1033	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1035		1351
1036	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1037	Coro::cede;	1353	cf::cede_to_tick;
1038	}	1354	}
1039		1355
1040	sub new($) {	1356	sub new($) {
1041	my ($login) = @_;	1357	my ($login) = @_;
1042		1358
…		…
1046	$self->{deny_save} = 1;	1362	$self->{deny_save} = 1;
1047		1363
1048	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1049		1365
1050	$self	1366	$self
		1367	}
		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
1051	}	1377	}
1052		1378
1053	=item $pl->quit_character	1379	=item $pl->quit_character
1054		1380
1055	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1436	or return [];
1111		1437
1112	my @logins;	1438	my @logins;
1113		1439
1114	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1118		1449
1119	utf8::decode $login;	1450	utf8::decode $login;
1120	push @logins, $login;	1451	push @logins, $login;
1121	}	1452	}
1122		1453
…		…
1149	}	1480	}
1150		1481
1151	\@paths	1482	\@paths
1152	}	1483	}
1153		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1154	=item $player->ext_reply ($msgid, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1155		1537
1156	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1157		1539
1158	=cut	1540	=cut
1159		1541
1160	sub ext_reply($$%) {	1542	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1162		1544
1163	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1546	}
1167		1547
1168	=item $player->ext_event ($type, %msg)	1548	=item $player->ext_msg ($type, @msg)
1169		1549
1170	Sends an ext event to the client.	1550	Sends an ext event to the client.
1171		1551
1172	=cut	1552	=cut
1173		1553
1174	sub ext_event($$%) {	1554	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1555	my ($self, $type, @msg) = @_;
1176		1556
1177	$self->ns->ext_event ($type, %msg);	1557	$self->ns->ext_msg ($type, @msg);
1178	}	1558	}
1179		1559
1180	=head3 cf::region	1560	=head3 cf::region
1181		1561
1182	=over 4	1562	=over 4
…		…
1185		1565
1186	package cf::region;	1566	package cf::region;
1187		1567
1188	=item cf::region::find_by_path $path	1568	=item cf::region::find_by_path $path
1189		1569
1190	Tries to decuce the probable region for a map knowing only its path.	1570	Tries to decuce the likely region for a map knowing only its path.
1191		1571
1192	=cut	1572	=cut
1193		1573
1194	sub find_by_path($) {	1574	sub find_by_path($) {
1195	my ($path) = @_;	1575	my ($path) = @_;
1196		1576
1197	my ($match, $specificity);	1577	my ($match, $specificity);
1198		1578
1199	for my $region (list) {	1579	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1580	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1581	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1582	if $region->specificity > $specificity;
1203	}	1583	}
1204	}	1584	}
1205		1585
…		…
1269	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1270		1650
1271	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1272	local $self->{path};	1652	local $self->{path};
1273	local $self->{load_path};	1653	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1654
1277	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1278	}	1656	}
1279		1657
1280	sub normalise {	1658	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1328	return $self;	1706	return $self;
1329	}	1707	}
1330	}	1708	}
1331		1709
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1711	()
1334	}	1712	}
1335		1713
1336	sub init {	1714	sub init {
1337	my ($self) = @_;	1715	my ($self) = @_;
…		…
1380		1758
1381	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1383	}	1761	}
1384		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1385	sub unlink_save {	1771	sub unlink_save {
1386	my ($self) = @_;	1772	my ($self) = @_;
1387		1773
1388	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1778
1393	sub load_header_from($) {	1779	sub load_header_from($) {
1394	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1395		1781
1396	utf8::encode $path;	1782	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1784	or return;
		1785
		1786	$self->_load_header ($f)
		1787	or return;
		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
1402		1791
1403	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1404		1793
1405	1	1794	1
1406	}	1795	}
…		…
1445	$self->load_header_orig	1834	$self->load_header_orig
1446	or return;	1835	or return;
1447	$self->prepare_orig;	1836	$self->prepare_orig;
1448	}	1837	}
1449		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
1450	$self->default_region (cf::region::find_by_path $self->{path})	1842	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1843	unless $self->default_region;
1452		1844
1453	1	1845	1
1454	}	1846	}
…		…
1457	sub find {	1849	sub find {
1458	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1459		1851
1460	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1461		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1463		1856
1464	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1466	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1467	or return;	1862	or return;
1468		1863
1469	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1470		1865
1471	$map->load_header	1866	$map->load_header
1472	or return;	1867	or return;
1473		1868
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1477	$map->reset;	1874	$map->reset;
1478	undef $guard;
1479	return find $path;	1875	return find $path;
1480	}	1876	}
1481		1877
1482	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1483	}	1879	}
…		…
1490	my ($self) = @_;	1886	my ($self) = @_;
1491		1887
1492	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1493		1889
1494	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1495	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1496		1894
		1895	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1498		1897
1499	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1500		1899
1501	$self->alloc;	1900	$self->alloc;
1502		1901
1503	$self->pre_load;	1902	$self->pre_load;
1504	Coro::cede;	1903	cf::cede_to_tick;
1505		1904
1506	$self->_load_objects ($self->{load_path}, 1)	1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1507	or return;	1908	or return;
1508		1909
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1510	if delete $self->{load_original};	1911	if delete $self->{load_original};
1511		1912
1512	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	1914	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	1917	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1517	}	1921	}
1518	}	1922	}
1519		1923
1520	Coro::cede;	1924	$f->resolve_delayed_derefs;
		1925
		1926	cf::cede_to_tick;
1521	# now do the right thing for maps	1927	# now do the right thing for maps
1522	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	1930	unless $self->difficulty;
1533	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1534	$self->activate;	1940	$self->activate;
1535	Coro::cede;	1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
		1946	$self->in_memory (cf::MAP_IN_MEMORY);
1536	}	1947	}
1537		1948
1538	$self->post_load;	1949	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	1950	}
1543		1951
1544	sub customise_for {	1952	sub customise_for {
1545	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1546		1954
1547	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	1956	if $self->per_player;
1549		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1550	$self	1961	$self
1551	}	1962	}
1552		1963
1553	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	1965	sub load_neighbours {
1555	my ($map) = @_;	1966	my ($map) = @_;
1556		1967
1557	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1558		1969
1559	for (0 .. 3) {	1970	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1561	or next;	1972	or next;
1562	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1563	or next;	1974	or next;
1564	$neigh->load;	1975	$neigh->load;
1565		1976
		1977	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	1980	}
1569		1981
1570	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1572	or next;	1985	or next;
1573	$neigh->load;	1986	$neigh->load;
1574	}	1987	}
1575	}	1988	}
1576		1989
…		…
1581	}	1994	}
1582		1995
1583	sub do_load_sync {	1996	sub do_load_sync {
1584	my ($map) = @_;	1997	my ($map) = @_;
1585		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1586	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1587	}	2003	}
1588		2004
1589	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1591		2007
1592	sub find_async {	2008	sub find_async {
1593	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1594		2010
1595	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1596		2012
1597	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1599	}	2015	}
1600		2016
1601	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1602	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1603	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2022	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2023	$map->load if $v;
		2024	}
1608		2025
1609	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1610	}	2027	}
1611	}	2028	}
1612	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1613	};	2030	};
1614	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2034	}
1618		2035
1619	sub save {	2036	sub save {
1620	my ($self) = @_;	2037	my ($self) = @_;
1621		2038
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2040
1624	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1625		2042
1626	return unless $self->dirty;	2043	return unless $self->dirty;
1627		2044
…		…
1650	my ($self) = @_;	2067	my ($self) = @_;
1651		2068
1652	# save first because save cedes	2069	# save first because save cedes
1653	$self->save;	2070	$self->save;
1654		2071
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2073
1657	return if $self->players;	2074	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};	2076	return if $self->{deny_save};
1660		2077
		2078	$self->deactivate;
1661	$self->clear;	2079	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2081	}
1664		2082
1665	sub reset_at {	2083	sub reset_at {
1666	my ($self) = @_;	2084	my ($self) = @_;
1667		2085
1668	# TODO: safety, remove and allow resettable per-player maps	2086	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2087	return 1e99 if $self->{deny_reset};
1671		2088
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2091
…		…
1685	my ($self) = @_;	2102	my ($self) = @_;
1686		2103
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2105
1689	return if $self->players;	2106	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2107
1692	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
1693		2109
1694	$self->in_memory (cf::MAP_SWAPPED);	2110	$self->in_memory (cf::MAP_SWAPPED);
1695		2111
1696	# need to save uniques path	2112	# need to save uniques path
1697	unless ($self->{deny_save}) {	2113	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2117	if $uniq;
1702	}	2118	}
1703		2119
1704	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1705		2121
		2122	$self->deactivate;
1706	$self->clear;	2123	$self->clear;
1707		2124
1708	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1709		2126
1710	$self->unlink_save;	2127	$self->unlink_save;
…		…
1714	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1715		2132
1716	sub nuke {	2133	sub nuke {
1717	my ($self) = @_;	2134	my ($self) = @_;
1718		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
1719	delete $cf::MAP{$self->path};	2139	delete $cf::MAP{$self->path};
1720		2140
1721	$self->unlink_save;	2141	$self->unlink_save;
1722		2142
1723	bless $self, "cf::map";	2143	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2144	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2148
1729	$cf::MAP{$self->path} = $self;	2149	$cf::MAP{$self->path} = $self;
		2150	}
1730		2151
1731	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
		2153	}
		2154
		2155	=item $maps = cf::map::tmp_maps
		2156
		2157	Returns an arrayref with all map paths of currently instantiated and saved
		2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
		2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
		2172
		2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
1732	}	2189	}
1733		2190
1734	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1735		2192
1736	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2194	instantiated unique items. May block.
1738		2195
1739	=cut	2196	=cut
1740		2197
1741	sub unique_maps() {	2198	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2199	[
1743	or return;	2200	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2201	utf8::decode $_;
1749	next if /\.pst$/;	2202	/\.map$/
1750	next unless /^$PATH_SEP/o;	2203	? normalise $_
1751		2204	: ()
1752	push @paths, cf::map::normalise $_;	2205	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2206	]
1754
1755	\@paths
1756	}	2207	}
1757		2208
1758	package cf;	2209	package cf;
1759		2210
1760	=back	2211	=back
…		…
1778	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1779	}	2230	}
1780		2231
1781	sub inv_recursive {	2232	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1783	}	2265	}
1784		2266
1785	package cf;	2267	package cf;
1786		2268
1787	=back	2269	=back
…		…
1806		2288
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2290
1809	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1811	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1814	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1815	}	2316	}
1816		2317
1817	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1818		2319
1819	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1866	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1867		2368
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2370
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1872		2373
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2375	}
1875		2376
1876	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1878		2381
1879	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1880		2383
1881	unless ($map) {	2384	unless ($map) {
1882	# restore original map position	2385	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1899		2402
1900	$map->load;	2403	$map->load;
1901	$map->load_diag;	2404	$map->load_neighbours;
1902		2405
1903	return unless $self->contr->active;	2406	return unless $self->contr->active;
1904	$self->activate_recursive;	2407	$self->activate_recursive;
1905		2408
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1908	}	2411	}
1909		2412
1910	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2414
1914	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1918	};	2419	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2420
1924	# try to abort aborted map switching on player login :)
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2421	=cut
		2422
		2423	our $GOTOGEN;
1945		2424
1946	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2430
1949	$self->enter_link;	2431	$self->enter_link;
1950		2432
1951	(async {	2433	(async {
1952	my $map = eval {	2434	my $map = eval {
1953	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
		2439	$map = $check->($map) if $check && $map;
		2440	} else {
		2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
		2443
1955	$map	2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2450	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1960	})->prio (1);	2458	})->prio (1);
1961	}	2459	}
1962		2460
1963	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1964		2462
…		…
2033	my $hp = $exit->stats->hp;	2531	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;	2532	my $sp = $exit->stats->sp;
2035		2533
2036	$self->enter_link;	2534	$self->enter_link;
2037		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
		2539
2038	(async {	2540	(async {
2039	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
2040	unless (eval {	2542	unless (eval {
2041	$self->goto ($slaying, $hp, $sp);	2543	$self->goto ($slaying, $hp, $sp);
2042		2544
…		…
2069		2571
2070	utf8::encode $text;	2572	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2574	}
2073		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
2074	=item $client->ext_event ($type, %msg)	2657	=item $client->ext_msg ($type, @msg)
2075		2658
2076	Sends an exti event to the client.	2659	Sends an ext event to the client.
2077		2660
2078	=cut	2661	=cut
2079		2662
2080	sub cf::client::ext_event($$%) {	2663	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2664	my ($self, $type, @msg) = @_;
2082		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2669	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
2085	}	2690	}
2086		2691
2087	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
2088		2693
2089	Queues a query to the client, calling the given callback with	2694	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2697
2093	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2699	become reliable at some point in the future.
2095		2700
2096	=cut	2701	=cut
2097		2702
2098	sub cf::client::query {	2703	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2712	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2714
2110	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
2112	}	2719	}
2113		2720
2114	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
2115	on_reply => sub {	2727	on_reply => sub {
2116	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
2117		2729
2118	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
2119	# get handled first	2731	# get handled first
…		…
2131	} else {	2743	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2745	}
2134	}	2746	}
2135	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
2136	);	2774	);
2137		2775
2138	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
2139		2777
2140	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2183		2821
2184	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2185		2823
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
2187		2829
2188	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2189		2831
2190	=pod	2832	=pod
2191		2833
2192	The following functions and methods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2193		2835
2194	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
2195	cf::object::player player	2840	cf::object::player
2196	cf::player peaceful	2841	player
2197	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2198		2848
2199	=cut	2849	=cut
2200		2850
2201	for (	2851	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2203	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2206	) {	2858	) {
2207	no strict 'refs';	2859	no strict 'refs';
…		…
2278	=back	2930	=back
2279		2931
2280	=cut	2932	=cut
2281		2933
2282	#############################################################################	2934	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	2935	# the server's init and main functions
2457		2936
2458	sub load_facedata($) {	2937	sub load_facedata($) {
2459	my ($path) = @_;	2938	my ($path) = @_;
		2939
		2940	# HACK to clear player env face cache, we need some signal framework
		2941	# for this (global event?)
		2942	%ext::player_env::MUSIC_FACE_CACHE = ();
		2943
		2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		2945
2461	warn "loading facedata from $path\n";	2946	warn "loading facedata from $path\n";
2462		2947
2463	my $facedata;	2948	my $facedata;
2464	0 < aio_load $path, $facedata	2949	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	2952	$facedata = Coro::Storable::thaw $facedata;
2468		2953
2469	$facedata->{version} == 2	2954	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		2956
		2957	# patch in the exptable
		2958	$facedata->{resource}{"res/exp_table"} = {
		2959	type => FT_RSRC,
		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2961	};
		2962	cf::cede_to_tick;
		2963
2472	{	2964	{
2473	my $faces = $facedata->{faceinfo};	2965	my $faces = $facedata->{faceinfo};
2474		2966
2475	while (my ($face, $info) = each %$faces) {	2967	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2969	cf::face::set_visibility $idx, $info->{visibility};
		2970	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	2973
		2974	cf::cede_to_tick;
2481	}	2975	}
2482		2976
2483	while (my ($face, $info) = each %$faces) {	2977	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	2978	next unless $info->{smooth};
2485	my $idx = cf::face::find $face	2979	my $idx = cf::face::find $face
2486	or next;	2980	or next;
2487	if (my $smooth = cf::face::find $info->{smooth}) {	2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	2984	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	2986	}
2492	Coro::cede;	2987
		2988	cf::cede_to_tick;
2493	}	2989	}
2494	}	2990	}
2495		2991
2496	{	2992	{
2497	my $anims = $facedata->{animinfo};	2993	my $anims = $facedata->{animinfo};
2498		2994
2499	while (my ($anim, $info) = each %$anims) {	2995	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	2997	cf::cede_to_tick;
2502	}	2998	}
2503		2999
2504	cf::anim::invalidate_all; # d'oh	3000	cf::anim::invalidate_all; # d'oh
2505	}	3001	}
2506		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
2507	1	3052	1
2508	}	3053	}
2509		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
2510	sub reload_regions {	3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
2511	load_resource_file "$MAPDIR/regions"	3068	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
2513	}	3075	}
2514		3076
2515	sub reload_facedata {	3077	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3078	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3079	or die "unable to load facedata\n";
2518	}	3080	}
2519		3081
2520	sub reload_archetypes {	3082	sub reload_archetypes {
2521	load_resource_file "$DATADIR/archetypes"	3083	load_resource_file "$DATADIR/archetypes"
2522	or die "unable to load archetypes\n";	3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
2523	}	3090	}
2524		3091
2525	sub reload_treasures {	3092	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3093	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3094	or die "unable to load treasurelists\n";
…		…
2530	sub reload_resources {	3097	sub reload_resources {
2531	warn "reloading resource files...\n";	3098	warn "reloading resource files...\n";
2532		3099
2533	reload_regions;	3100	reload_regions;
2534	reload_facedata;	3101	reload_facedata;
		3102	#reload_archetypes;#d#
2535	reload_archetypes;	3103	reload_archetypes;
2536	reload_treasures;	3104	reload_treasures;
2537		3105
2538	warn "finished reloading resource files\n";	3106	warn "finished reloading resource files\n";
2539	}	3107	}
2540		3108
2541	sub init {	3109	sub init {
2542	reload_resources;	3110	reload_resources;
2543	}	3111	}
2544		3112
2545	sub cfg_load {	3113	sub reload_config {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3115	or return;
2548		3116
2549	local $/;	3117	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
…		…
2570	(async {	3138	(async {
2571	Event::one_event;	3139	Event::one_event;
2572	})->prio (Coro::PRIO_MAX);	3140	})->prio (Coro::PRIO_MAX);
2573	};	3141	};
2574		3142
2575	cfg_load;	3143	reload_config;
2576	db_init;	3144	db_init;
2577	load_extensions;	3145	load_extensions;
2578		3146
2579	$TICK_WATCHER->start;	3147	$TICK_WATCHER->start;
2580	Event::loop;	3148	Event::loop;
…		…
2596	},	3164	},
2597	);	3165	);
2598	}	3166	}
2599	}	3167	}
2600		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
		3205	}
		3206
2601	sub emergency_save() {	3207	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2603		3209
2604	warn "enter emergency perl save\n";	3210	warn "enter emergency perl save\n";
2605		3211
…		…
2680	%EXT_CORO = ();	3286	%EXT_CORO = ();
2681		3287
2682	warn "removing commands";	3288	warn "removing commands";
2683	%COMMAND = ();	3289	%COMMAND = ();
2684		3290
2685	warn "removing ext commands";	3291	warn "removing ext/exti commands";
2686	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2687		3294
2688	warn "unloading/nuking all extensions";	3295	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2691		3298
…		…
2734	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2735	require cf;	3342	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3344
2738	warn "loading config and database again";	3345	warn "loading config and database again";
2739	cf::cfg_load;	3346	cf::reload_config;
2740		3347
2741	warn "loading extensions";	3348	warn "loading extensions";
2742	cf::load_extensions;	3349	cf::load_extensions;
2743		3350
2744	warn "reattaching attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
…		…
2809	my $signal = new Coro::Signal;	3416	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3417	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3418	$signal->wait;
2812	}	3419	}
2813		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2814	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2815	reentrant => 0,	3424	reentrant => 0,
2816	parked => 1,	3425	parked => 1,
2817	prio => 0,	3426	prio => 0,
2818	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
…		…
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3432	unless ++$bug_warning > 10;
2824	return;	3433	return;
2825	}	3434	}
2826		3435
2827	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2828		3437
2829	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
2830		3462
2831	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2833		3465
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2840	}	3472	}
2841		3473
2842	# my $AFTER = Event::time;	3474	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#	3475	# warn $AFTER - $NOW;#d#
2844		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
		3485
2845	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2847		3488
2848	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
2850		3491
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3492	$LOAD = ($NOW - $tick_start) / $TICK;
2852	$sig->send;	3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2853	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;
2856	}
2857		3494
2858	_post_tick;	3495	_post_tick;
		3496
		3497
2859	},	3498	},
2860	);	3499	);
2861		3500
2862	{	3501	{
2863	BDB::max_poll_time $TICK * 0.1;	3502	BDB::max_poll_time $TICK * 0.1;
…		…
2922	prio => 6,	3561	prio => 6,
2923	cb => \&IO::AIO::poll_cb,	3562	cb => \&IO::AIO::poll_cb,
2924	);	3563	);
2925	}	3564	}
2926		3565
		3566	my $_log_backtrace;
		3567
		3568	sub _log_backtrace {
		3569	my ($msg, @addr) = @_;
		3570
		3571	$msg =~ s/\n//;
		3572
		3573	# limit the # of concurrent backtraces
		3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
		3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
		3601	}
		3602	}
		3603
2927	# load additional modules	3604	# load additional modules
2928	use cf::pod;	3605	use cf::pod;
2929		3606
2930	END { cf::emergency_save }	3607	END { cf::emergency_save }
2931		3608

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