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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.398 by root, Wed Dec 5 11:08:34 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
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 2.01 ();
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 2.51 ();
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
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		42
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
44		45
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		47
…		…
49	our %COMMAND = ();	50	our %COMMAND = ();
50	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
51		52
52	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
56		58
57	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
58	our @EVENT;	60	our @EVENT;
…		…
76	our $NEXT_TICK;	78	our $NEXT_TICK;
77	our $NOW;	79	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		81
80	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	86	our $DB_ENV;
82		87
83	our %CFG;	88	our %CFG;
84		89
85	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	91	our $RUNTIME;
87		92
88	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
91		96
92	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		99
…		…
155		160
156	The raw value load value from the last tick.	161	The raw value load value from the last tick.
157		162
158	=item %cf::CFG	163	=item %cf::CFG
159		164
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	166	from wherever your confdir points to.
162		167
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		169
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	171	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
		179
169	=back	180	=back
170		181
171	=cut	182	=cut
172		183
173	BEGIN {	184	BEGIN {
…		…
177	$msg .= "\n"	188	$msg .= "\n"
178	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
179		190
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		192
182	utf8::encode $msg;
183	LOG llevError, $msg;	193	LOG llevError, $msg;
184	};	194	};
185	}	195	}
186		196
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
203	)) {	213	)) {
204	no strict 'refs';	214	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	216	}
207		217
208	$Event::DIED = sub {	218	$EV::DIED = sub {
209	warn "error in event callback: @_";	219	warn "error in event callback: @_";
210	};	220	};
		221
		222	#############################################################################
211		223
212	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
213		225
214	=over 4	226	=over 4
215		227
…		…
234	$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;
235	$d	247	$d
236	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
237	}	249	}
238		250
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
242		252
243	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
244		254
245	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
246		256
247	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 $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub encode_json($) { $json_coder->encode ($_[0]) }
		264	sub decode_json($) { $json_coder->decode ($_[0]) }
248		265
249	=item cf::lock_wait $string	266	=item cf::lock_wait $string
250		267
251	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
252		269
…		…
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
258	returned.	275	returned.
259		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
260	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
261	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
262		282
263	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
264		284
265	Return true if the lock is currently active, i.e. somebody has locked it.	285	Return true if the lock is currently active, i.e. somebody has locked it.
266		286
267	=cut	287	=cut
268		288
269	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
270		291
271	sub lock_wait($) {	292	sub lock_wait($) {
272	my ($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#
273		299
274	# wait for lock, if any	300	# wait for lock, if any
275	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	303	Coro::schedule;
…		…
283		309
284	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
285	lock_wait $key;	311	lock_wait $key;
286		312
287	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
288		315
289	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
292	}	320	}
293	}	321	}
294		322
…		…
306	};	334	};
307	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
308	$guard	336	$guard
309	}	337	}
310		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
		410	}
		411
311	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
312		413
313	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	415	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	416	thing you are allowed to do is call C<prio> on it.
…		…
318		419
319	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
320		421
321	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
322		423
323	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
326		428
327	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
330	fast or be very important.	432	fast or be very important.
…		…
333		435
334	sub sync_job(&) {	436	sub sync_job(&) {
335	my ($job) = @_;	437	my ($job) = @_;
336		438
337	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	440	my $time = EV::time;
339		441
340	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
342		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
343	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	448	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
346		450
347	my $busy = 1;	451	my $busy = 1;
348	my @res;	452	my @res;
349		453
350	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	456	@res = eval { $job->() };
352	warn $@ if $@;	457	warn $@ if $@;
353	undef $busy;	458	undef $busy;
354	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
355		460
356	while ($busy) {	461	while ($busy) {
357	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
358	}	466	}
		467	}
359		468
360	$time = Event::time - $time;	469	$time = EV::time - $time;
361		470
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364		473
365	$tick_start += $time; # do not account sync jobs to server load	474	$tick_start += $time; # do not account sync jobs to server load
…		…
390	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
391		500
392	$coro	501	$coro
393	}	502	}
394		503
395	sub write_runtime {	504	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		505
398	# first touch the runtime file to show we are still running:	506	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
400		510
401	IO::AIO::aio_utime $runtime, undef, undef;	511	=cut
402		512
403	my $guard = cf::lock_acquire "write_runtime";	513	sub fork_call(&@) {
		514	my ($cb, @args) = @_;
404		515
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	516	# we seemingly have to make a local copy of the whole thing,
406	or return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
407		519
408	my $value = $cf::RUNTIME + 90 + 10;	520	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	521	reset_signals;
410	# 60 allows for the watchdog to kill the server.	522	&$cb
		523	}, @args;
411		524
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	525	wantarray ? @res : $res[-1]
413	and return;	526	}
414		527
415	# always fsync - this file is important	528	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		529
419	# touch it again to show we are up-to-date	530	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		531
422	close $fh	532	=item cf::db_put $family => $key => $value
423	or return;
424		533
425	aio_rename "$runtime~", $runtime	534	Stores the given C<$value> in the family. It can currently store binary
426	and return;	535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		536
428	warn "runtime file written.\n";	537	=item $db = cf::db_table "name"
429		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
		560
		561	our $DB;
		562
		563	sub db_init {
		564	cf::sync_job {
		565	$DB ||= db_table "db";
		566	};
		567	}
		568
		569	sub db_get($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
430	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
431	}	653	}
432		654
433	=item cf::datalog type => key => value, ...	655	=item cf::datalog type => key => value, ...
434		656
435	Log a datalog packet of the given type with the given key-value pairs.	657	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
455		677
456	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	680	Deliantra).
459		681
460	=over 4	682	=over 4
461		683
462	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
463		685
…		…
665	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
666	}	888	}
667		889
668	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
669	} else {	891	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	893	}
672		894
673	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
674	}	896	}
675		897
…		…
715	";	937	";
716	die if $@;	938	die if $@;
717	}	939	}
718		940
719	our $override;	941	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		943
722	sub override {	944	sub override {
723	$override = 1;	945	$override = 1;
724	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
725	}	947	}
726		948
727	sub do_invoke {	949	sub do_invoke {
728	my $event = shift;	950	my $event = shift;
729	my $callbacks = shift;	951	my $callbacks = shift;
730		952
731	@invoke_results = ();	953	@INVOKE_RESULTS = ();
732		954
733	local $override;	955	local $override;
734		956
735	for (@$callbacks) {	957	for (@$callbacks) {
736	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
753		975
754	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
755		977
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		981
760	=back	982	=back
761		983
762	=cut	984	=cut
763		985
764	#############################################################################	986	#############################################################################
765	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
766		1030
767	sub reattach {	1031	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1033	my ($obj) = @_;
770		1034
…		…
791	cf::attachable->attach (	1055	cf::attachable->attach (
792	prio => -1000000,	1056	prio => -1000000,
793	on_instantiate => sub {	1057	on_instantiate => sub {
794	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
795		1059
796	$data = from_json $data;	1060	$data = decode_json $data;
797		1061
798	for (@$data) {	1062	for (@$data) {
799	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
800		1064
801	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1081	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
819		1083
820	sync_job {	1084	sync_job {
821	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
824		1089
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1093	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1094	close $fh;
830		1095
831	if (@$objs) {	1096	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1101	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1102	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
839	}	1104	}
…		…
847	}	1112	}
848	} else {	1113	} else {
849	aio_unlink $filename;	1114	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
851	}	1116	}
852	}	1117	};
853	}	1118	}
854		1119
855	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
857		1122
…		…
869	or return;	1134	or return;
870		1135
871	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
873	or return;	1138	or return;
		1139
874	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
875	}	1142	}
876		1143
		1144	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1146	$decname, length $data, scalar @{$av || []};
		1147
879	return ($data, $av);	1148	($data, $av)
880	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
881		1156
882	#############################################################################	1157	#############################################################################
883	# command handling &c	1158	# command handling &c
884		1159
885	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1174	}
900		1175
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1177
903	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
904		1183
905	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
906	called.	1185	called.
907		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
908	=cut	1198	=cut
909		1199
910	sub register_extcmd {	1200	sub register_extcmd {
911	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
912		1202
913	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
914	}	1210	}
915		1211
916	cf::player->attach (	1212	cf::player->attach (
917	on_command => sub {	1213	on_command => sub {
918	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1223	cf::override;
928	},	1224	},
929	on_extcmd => sub {	1225	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
931		1227
932	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1229
934	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
940	} else {	1245	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1247	}
943		1248
944	cf::override;	1249	cf::override;
945	},	1250	},
946	);	1251	);
947		1252
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
983	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1258	next unless -r $path;
985	eval {	1259
986	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
987	1	1317	}
988	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
989	}	1323	};
990	}	1324	}
991		1325
992	#############################################################################	1326	#############################################################################
993		1327
		1328	=back
		1329
994	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
995		1331
996	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
997		1333
998	=cut	1334	=cut
…		…
1002	use Coro::AIO;	1338	use Coro::AIO;
1003		1339
1004	=head3 cf::player	1340	=head3 cf::player
1005		1341
1006	=over 4	1342	=over 4
		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
1007		1357
1008	=item cf::player::find $login	1358	=item cf::player::find $login
1009		1359
1010	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
1011		1361
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1400	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1401
1052	my $pl = load_pl path $login	1402	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
1055	}	1410	}
1056	}	1411	}
1057	}	1412	}
1058		1413
…		…
1068		1423
1069	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1071		1426
1072	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1073	Coro::cede;	1428	cf::cede_to_tick;
1074	}	1429	}
1075		1430
1076	sub new($) {	1431	sub new($) {
1077	my ($login) = @_;	1432	my ($login) = @_;
1078		1433
…		…
1082	$self->{deny_save} = 1;	1437	$self->{deny_save} = 1;
1083		1438
1084	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1085		1440
1086	$self	1441	$self
		1442	}
		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
1087	}	1452	}
1088		1453
1089	=item $pl->quit_character	1454	=item $pl->quit_character
1090		1455
1091	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1511	or return [];
1147		1512
1148	my @logins;	1513	my @logins;
1149		1514
1150	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1154		1524
1155	utf8::decode $login;	1525	utf8::decode $login;
1156	push @logins, $login;	1526	push @logins, $login;
1157	}	1527	}
1158		1528
…		…
1185	}	1555	}
1186		1556
1187	\@paths	1557	\@paths
1188	}	1558	}
1189		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1190	=item $player->ext_reply ($msgid, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1191		1654
1192	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1193		1656
1194	=cut	1657	=cut
1195		1658
1196	sub ext_reply($$%) {	1659	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1198		1661
1199	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1663	}
1203		1664
1204	=item $player->ext_event ($type, %msg)	1665	=item $player->ext_msg ($type, @msg)
1205		1666
1206	Sends an ext event to the client.	1667	Sends an ext event to the client.
1207		1668
1208	=cut	1669	=cut
1209		1670
1210	sub ext_event($$%) {	1671	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1672	my ($self, $type, @msg) = @_;
1212		1673
1213	$self->ns->ext_event ($type, %msg);	1674	$self->ns->ext_msg ($type, @msg);
1214	}	1675	}
1215		1676
1216	=head3 cf::region	1677	=head3 cf::region
1217		1678
1218	=over 4	1679	=over 4
…		…
1221		1682
1222	package cf::region;	1683	package cf::region;
1223		1684
1224	=item cf::region::find_by_path $path	1685	=item cf::region::find_by_path $path
1225		1686
1226	Tries to decuce the probable region for a map knowing only its path.	1687	Tries to decuce the likely region for a map knowing only its path.
1227		1688
1228	=cut	1689	=cut
1229		1690
1230	sub find_by_path($) {	1691	sub find_by_path($) {
1231	my ($path) = @_;	1692	my ($path) = @_;
1232		1693
1233	my ($match, $specificity);	1694	my ($match, $specificity);
1234		1695
1235	for my $region (list) {	1696	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1697	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1698	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1699	if $region->specificity > $specificity;
1239	}	1700	}
1240	}	1701	}
1241		1702
…		…
1361	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1362	return $self;	1823	return $self;
1363	}	1824	}
1364	}	1825	}
1365		1826
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1828	()
1368	}	1829	}
1369		1830
1370	sub init {	1831	sub init {
1371	my ($self) = @_;	1832	my ($self) = @_;
…		…
1434		1895
1435	sub load_header_from($) {	1896	sub load_header_from($) {
1436	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1437		1898
1438	utf8::encode $path;	1899	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1901	or return;
		1902
		1903	$self->_load_header ($f)
		1904	or return;
		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
1444		1908
1445	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1446		1910
1447	1	1911	1
1448	}	1912	}
…		…
1502	sub find {	1966	sub find {
1503	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1504		1968
1505	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1506		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1508		1973
1509	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1511	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1512	or return;	1979	or return;
1513		1980
1514	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1515		1982
…		…
1517	or return;	1984	or return;
1518		1985
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1522	$map->reset;	1991	$map->reset;
1523	undef $guard;
1524	return find $path;	1992	return find $path;
1525	}	1993	}
1526		1994
1527	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1528	}	1996	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1538		2006
1539	my $path = $self->{path};	2007	my $path = $self->{path};
1540		2008
1541	{	2009	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1543		2011
		2012	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2014
1546	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1547		2016
1548	$self->alloc;	2017	$self->alloc;
1549		2018
1550	$self->pre_load;	2019	$self->pre_load;
1551	Coro::cede;	2020	cf::cede_to_tick;
1552		2021
		2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2024	$self->_load_objects ($f)
1554	or return;	2025	or return;
1555		2026
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2028	if delete $self->{load_original};
1558		2029
1559	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2031	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2034	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1564	}	2038	}
1565	}	2039	}
1566		2040
1567	Coro::cede;	2041	$f->resolve_delayed_derefs;
		2042
		2043	cf::cede_to_tick;
1568	# now do the right thing for maps	2044	# now do the right thing for maps
1569	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2047	unless $self->difficulty;
1572	Coro::cede;	2048	cf::cede_to_tick;
1573		2049
1574	unless ($self->{deny_activate}) {	2050	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2051	$self->decay_objects;
1576	$self->fix_auto_apply;	2052	$self->fix_auto_apply;
1577	$self->update_buttons;	2053	$self->update_buttons;
1578	Coro::cede;	2054	cf::cede_to_tick;
1579	$self->set_darkness_map;	2055	$self->set_darkness_map;
1580	Coro::cede;	2056	cf::cede_to_tick;
1581	$self->activate;	2057	$self->activate;
1582	}	2058	}
		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
1583		2062
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2063	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	2064	}
1586		2065
1587	$self->post_load;	2066	$self->post_load;
…		…
1598		2077
1599	$self	2078	$self
1600	}	2079	}
1601		2080
1602	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2082	sub load_neighbours {
1604	my ($map) = @_;	2083	my ($map) = @_;
1605		2084
1606	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1607		2086
1608	for (0 .. 3) {	2087	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1610	or next;	2089	or next;
1611	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1612	or next;	2091	or next;
1613	$neigh->load;	2092	$neigh->load;
1614		2093
		2094	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2097	}
1618		2098
1619	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1621	or next;	2102	or next;
1622	$neigh->load;	2103	$neigh->load;
1623	}	2104	}
1624	}	2105	}
1625		2106
…		…
1630	}	2111	}
1631		2112
1632	sub do_load_sync {	2113	sub do_load_sync {
1633	my ($map) = @_;	2114	my ($map) = @_;
1634		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1635	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1636	}	2120	}
1637		2121
1638	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1640		2124
1641	sub find_async {	2125	sub find_async {
1642	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1643		2127
1644	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1645		2129
1646	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2132	}
1649		2133
1650	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1651	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1652	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2141	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2142	$map->load if $v;
		2143	}
1657		2144
1658	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1659	}	2146	}
1660	}	2147	}
1661	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1662	};	2149	};
1663	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2153	}
1667		2154
1668	sub save {	2155	sub save {
1669	my ($self) = @_;	2156	my ($self) = @_;
1670		2157
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2159
1673	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1674		2161
1675	return unless $self->dirty;	2162	return unless $self->dirty;
1676		2163
…		…
1682	return if $self->{deny_save};	2169	return if $self->{deny_save};
1683		2170
1684	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1685		2172
1686	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1688	};	2176	};
1689		2177
1690	if ($uniq) {	2178	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1699	my ($self) = @_;	2187	my ($self) = @_;
1700		2188
1701	# save first because save cedes	2189	# save first because save cedes
1702	$self->save;	2190	$self->save;
1703		2191
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2193
1706	return if $self->players;	2194	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2196	return if $self->{deny_save};
1709		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2202	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2203	}
1713		2204
1714	sub reset_at {	2205	sub reset_at {
1715	my ($self) = @_;	2206	my ($self) = @_;
1716		2207
…		…
1748	if $uniq;	2239	if $uniq;
1749	}	2240	}
1750		2241
1751	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1752		2243
		2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2246	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2247
1757	$self->unlink_save;	2248	$self->unlink_save;
1758	$self->destroy;	2249	$self->destroy;
1759	}	2250	}
1760		2251
1761	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1762		2253
1763	sub nuke {	2254	sub nuke {
1764	my ($self) = @_;	2255	my ($self) = @_;
1765		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1766	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1767		2261
1768	$self->unlink_save;	2262	$self->unlink_save;
1769		2263
1770	bless $self, "cf::map";	2264	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2269
1776	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1777		2272
1778	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
		2274	}
		2275
		2276	=item $maps = cf::map::tmp_maps
		2277
		2278	Returns an arrayref with all map paths of currently instantiated and saved
		2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
		2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
		2293
		2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1779	}	2310	}
1780		2311
1781	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1782		2313
1783	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2315	instantiated unique items. May block.
1785		2316
1786	=cut	2317	=cut
1787		2318
1788	sub unique_maps() {	2319	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2320	[
1790	or return;	2321	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2322	utf8::decode $_;
1796	next if /\.pst$/;	2323	/\.map$/
1797	next unless /^$PATH_SEP/o;	2324	? normalise $_
1798		2325	: ()
1799	push @paths, cf::map::normalise $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2327	]
1801
1802	\@paths
1803	}	2328	}
1804		2329
1805	package cf;	2330	package cf;
1806		2331
1807	=back	2332	=back
…		…
1825	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1826	}	2351	}
1827		2352
1828	sub inv_recursive {	2353	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1830	}	2383	}
1831		2384
1832	package cf;	2385	package cf;
1833		2386
1834	=back	2387	=back
…		…
1853		2406
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2408
1856	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1858	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1861	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1862	}	2434	}
1863		2435
1864	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1865		2437
1866	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1948		2520
1949	$map->load;	2521	$map->load;
1950	$map->load_diag;	2522	$map->load_neighbours;
1951		2523
1952	return unless $self->contr->active;	2524	return unless $self->contr->active;
1953	$self->activate_recursive;	2525	$self->activate_recursive;
1954		2526
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1957	}	2529	}
1958		2530
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2532
1961	Moves the player to the given map-path and coordinates by first freezing	2533	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2534	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2535	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2536	the new (success) or old (failed) map position. In either case, $done will
		2537	be called at the end of this process.
1965		2538
1966	=cut	2539	=cut
1967		2540
1968	our $GOTOGEN;	2541	our $GOTOGEN;
1969		2542
1970	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2545
1973	# do generation counting so two concurrent goto's will be executed in-order	2546	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2548
1976	$self->enter_link;	2549	$self->enter_link;
1977		2550
1978	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
1979	my $map = eval {	2573	my $map = eval {
1980	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
1981		2575
1982	if ($map) {	2576	if ($map) {
1983	$map = $map->customise_for ($self);	2577	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2578	$map = $check->($map) if $check && $map;
1985	} else {	2579	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2581	}
1988		2582
1989	$map	2583	$map
1990	};	2584	};
1991		2585
…		…
1996		2590
1997	if ($gen == $self->{_goto_generation}) {	2591	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2592	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
2000	}	2594	}
		2595
		2596	$done->() if $done;
2001	})->prio (1);	2597	})->prio (1);
2002	}	2598	}
2003		2599
2004	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
2005		2601
…		…
2042	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
2043	}	2639	}
2044		2640
2045	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
2046		2642
2047	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
2048	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
2050		2646
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
…		…
2074	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
2076		2672
2077	$self->enter_link;	2673	$self->enter_link;
2078		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
2079	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
2080	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
2081	unless (eval {	2683	unless (eval {
2082	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
2083		2685
2084	1;	2686	1;
…		…
2110		2712
2111	utf8::encode $text;	2713	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2715	}
2114		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
2115	=item $client->ext_event ($type, %msg)	2841	=item $client->ext_msg ($type, @msg)
2116		2842
2117	Sends an exti event to the client.	2843	Sends an ext event to the client.
2118		2844
2119	=cut	2845	=cut
2120		2846
2121	sub cf::client::ext_event($$%) {	2847	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2848	my ($self, $type, @msg) = @_;
2123		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2853	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
2126	}	2874	}
2127		2875
2128	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
2129		2877
2130	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2879	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2881
2134	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2883	become reliable at some point in the future.
2136		2884
2137	=cut	2885	=cut
2138		2886
2139	sub cf::client::query {	2887	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2896	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2898
2151	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
2153	}	2903	}
2154		2904
2155	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
2156	on_reply => sub {	2911	on_reply => sub {
2157	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
2158		2913
2159	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
2160	# get handled first	2915	# get handled first
…		…
2172	} else {	2927	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	2929	}
2175	}	2930	}
2176	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
2177	);	2958	);
2178		2959
2179	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
2180		2961
2181	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2224		3005
2225	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2226		3007
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2228		3013
2229	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2230		3015
2231	=pod	3016	=pod
2232		3017
2233	The following functions and methods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2234		3019
2235	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2236	cf::object::player player	3024	cf::object::player
2237	cf::player peaceful	3025	player
2238	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2239		3032
2240	=cut	3033	=cut
2241		3034
2242	for (	3035	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2244	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2247	) {	3042	) {
2248	no strict 'refs';	3043	no strict 'refs';
…		…
2319	=back	3114	=back
2320		3115
2321	=cut	3116	=cut
2322		3117
2323	#############################################################################	3118	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	3119	# the server's init and main functions
2497		3120
2498	sub load_facedata($) {	3121	sub load_facedata($) {
2499	my ($path) = @_;	3122	my ($path) = @_;
		3123
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		3129
2501	warn "loading facedata from $path\n";	3130	warn "loading facedata from $path\n";
2502		3131
2503	my $facedata;	3132	my $facedata;
2504	0 < aio_load $path, $facedata	3133	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	3136	$facedata = Coro::Storable::thaw $facedata;
2508		3137
2509	$facedata->{version} == 2	3138	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3140
		3141	# patch in the exptable
		3142	$facedata->{resource}{"res/exp_table"} = {
		3143	type => FT_RSRC,
		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3145	};
		3146	cf::cede_to_tick;
		3147
2512	{	3148	{
2513	my $faces = $facedata->{faceinfo};	3149	my $faces = $facedata->{faceinfo};
2514		3150
2515	while (my ($face, $info) = each %$faces) {	3151	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3153	cf::face::set_visibility $idx, $info->{visibility};
		3154	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	3157
		3158	cf::cede_to_tick;
2521	}	3159	}
2522		3160
2523	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3162	next unless $info->{smooth};
2525	my $idx = cf::face::find $face	3163	my $idx = cf::face::find $face
2526	or next;	3164	or next;
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3168	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3170	}
2532	Coro::cede;	3171
		3172	cf::cede_to_tick;
2533	}	3173	}
2534	}	3174	}
2535		3175
2536	{	3176	{
2537	my $anims = $facedata->{animinfo};	3177	my $anims = $facedata->{animinfo};
2538		3178
2539	while (my ($anim, $info) = each %$anims) {	3179	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3181	cf::cede_to_tick;
2542	}	3182	}
2543		3183
2544	cf::anim::invalidate_all; # d'oh	3184	cf::anim::invalidate_all; # d'oh
2545	}	3185	}
2546		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
2547	1	3236	1
2548	}	3237	}
2549		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
2550	sub reload_regions {	3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
2551	load_resource_file "$MAPDIR/regions"	3252	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
2553	}	3259	}
2554		3260
2555	sub reload_facedata {	3261	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3262	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3263	or die "unable to load facedata\n";
2558	}	3264	}
2559		3265
2560	sub reload_archetypes {	3266	sub reload_archetypes {
		3267	load_resource_file "$DATADIR/archetypes"
		3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
2561	load_resource_file "$DATADIR/archetypes"	3272	load_resource_file "$DATADIR/archetypes"
2562	or die "unable to load archetypes\n";	3273	or die "unable to load archetypes\n";
2563	}	3274	}
2564		3275
2565	sub reload_treasures {	3276	sub reload_treasures {
…		…
2581		3292
2582	sub init {	3293	sub init {
2583	reload_resources;	3294	reload_resources;
2584	}	3295	}
2585		3296
2586	sub cfg_load {	3297	sub reload_config {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3299	or return;
2589		3300
2590	local $/;	3301	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
…		…
2607	sub main {	3318	sub main {
2608	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3322	(async {
2612	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2614	};	3326	};
2615		3327
2616	cfg_load;	3328	reload_config;
2617	db_init;	3329	db_init;
2618	load_extensions;	3330	load_extensions;
2619		3331
2620	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2621	Event::loop;	3334	EV::loop;
2622	}	3335	}
2623		3336
2624	#############################################################################	3337	#############################################################################
2625	# initialisation and cleanup	3338	# initialisation and cleanup
2626		3339
2627	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2628	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3345	cf::cleanup "SIG$signal";
2637	},
2638	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2639	}	3385	1
2640	}	3386	}
2641		3387
2642	sub emergency_save() {	3388	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2644		3390
…		…
2650	# and maps saved/destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2652	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3402	$pl->save;
2656	}	3403	}
2657	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2658		3405
2659	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2698	warn "syncing database to disk";	3445	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2700		3447
2701	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2702		3449
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";	3450	warn "flushing outstanding aio requests";
2709	for (;;) {	3451	for (;;) {
2710	BDB::flush;	3452	BDB::flush;
2711	IO::AIO::flush;	3453	IO::AIO::flush;
2712	Coro::cede;	3454	Coro::cede_notself;
2713	last unless IO::AIO::nreqs || BDB::nreqs;	3455	last unless IO::AIO::nreqs || BDB::nreqs;
2714	warn "iterate...";	3456	warn "iterate...";
2715	}	3457	}
2716		3458
2717	++$RELOAD;	3459	++$RELOAD;
…		…
2721	%EXT_CORO = ();	3463	%EXT_CORO = ();
2722		3464
2723	warn "removing commands";	3465	warn "removing commands";
2724	%COMMAND = ();	3466	%COMMAND = ();
2725		3467
2726	warn "removing ext commands";	3468	warn "removing ext/exti commands";
2727	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2728		3471
2729	warn "unloading/nuking all extensions";	3472	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2732		3475
…		…
2775	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2776	require cf;	3519	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3521
2779	warn "loading config and database again";	3522	warn "loading config and database again";
2780	cf::cfg_load;	3523	cf::reload_config;
2781		3524
2782	warn "loading extensions";	3525	warn "loading extensions";
2783	cf::load_extensions;	3526	cf::load_extensions;
2784		3527
2785	warn "reattaching attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
…		…
2805		3548
2806	sub reload_perl() {	3549	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3550	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3551	# coro crashes during coro_state_free->destroy here.
2809		3552
2810	$RELOAD_WATCHER ||= Event->timer (	3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2811	reentrant => 0,
2812	after => 0,
2813	data => WF_AUTOCANCEL,
2814	cb => sub {
2815	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3554	undef $RELOAD_WATCHER;
2817	},	3555	do_reload_perl;
2818	);	3556	};
2819	}	3557	}
2820		3558
2821	register_command "reload" => sub {	3559	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2823		3561
2824	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	3563	$who->message ("reloading server.");
		3564	async {
		3565	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	3566	reload_perl;
		3567	};
2827	}	3568	}
2828	};	3569	};
2829		3570
2830	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2831		3572
…		…
2850	my $signal = new Coro::Signal;	3591	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	3592	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	3593	$signal->wait;
2853	}	3594	}
2854		3595
2855	my $min = 1e6;#d#	3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	3597	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	3599	unless ++$bug_warning > 10;
2867	return;	3600	return;
2868	}	3601	}
2869		3602
2870	$NOW = $tick_start = Event::time;	3603	$NOW = $tick_start = EV::now;
2871		3604
2872	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
2873		3606
2874	0 && sync_job {#d#	3607	$RUNTIME += $TICK;
2875	for(1..10) {	3608	$NEXT_TICK += $TICK;
2876	my $t = Event::time;
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2878	or die;
2879		3609
2880	$map->width (50);	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2881	$map->height (50);	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2882	$map->alloc;	3612	Coro::async_pool {
2883	$map->_load_objects ("/tmp/x.map", 1);	3613	$Coro::current->{desc} = "runtime saver";
2884	my $t = Event::time - $t;	3614	write_runtime
2885		3615	or warn "ERROR: unable to write runtime file: $!";
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	3616	};
		3617	}
2896		3618
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	3620	$sig->send;
2913	}	3621	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	3622	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	3623	$sig->send;
2916	}	3624	}
2917		3625
2918	$NOW = Event::time;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;	3626	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		3628
2929	_post_tick;	3629	_post_tick;
2930		3630	};
2931		3631	$TICK_WATCHER->priority (EV::MAXPRI);
2932	},
2933	);
2934		3632
2935	{	3633	{
		3634	BDB::min_parallel 8;
2936	BDB::max_poll_time $TICK * 0.1;	3635	BDB::max_poll_time $TICK * 0.1;
2937	$BDB_POLL_WATCHER = Event->io (	3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;
2946		3637
2947	BDB::set_sync_prepare {	3638	BDB::set_sync_prepare {
2948	my $status;	3639	my $status;
2949	my $current = $Coro::current;	3640	my $current = $Coro::current;
2950	(	3641	(
…		…
2959	)	3650	)
2960	};	3651	};
2961		3652
2962	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		3659
2965	cf::sync_job {	3660	cf::sync_job {
2966	eval {	3661	eval {
2967	BDB::db_env_open	3662	BDB::db_env_open
2968	$DB_ENV,	3663	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	3667	0666;
2973		3668
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	3670	};
2979		3671
2980	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	3673	};
2982	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
2983	}	3685	}
2984		3686
2985	{	3687	{
2986	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2987		3689
2988	undef $Coro::AIO::WATCHER;	3690	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	3693	}
2999		3694
3000	my $_log_backtrace;	3695	my $_log_backtrace;
3001		3696
3002	sub _log_backtrace {	3697	sub _log_backtrace {
…		…
3006		3701
3007	# limit the # of concurrent backtraces	3702	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	3703	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	3704	++$_log_backtrace;
3010	async {	3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
3011	my @bt = fork_call {	3708	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	3709	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	3712	or die "addr2line: $!";

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