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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.403 by root, Mon Dec 17 07:09:18 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 4.32 ();
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::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML::Syck ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	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	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
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?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	76	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	79	our $NEXT_TICK;
77	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;
		92	our $NOW;
87		93
88	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
91		97
92	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		100
…		…
155		161
156	The raw value load value from the last tick.	162	The raw value load value from the last tick.
157		163
158	=item %cf::CFG	164	=item %cf::CFG
159		165
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	167	from wherever your confdir points to.
162		168
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		170
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	172	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
		180
169	=back	181	=back
170		182
171	=cut	183	=cut
172		184
173	BEGIN {	185	BEGIN {
…		…
177	$msg .= "\n"	189	$msg .= "\n"
178	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
179		191
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		193
182	utf8::encode $msg;
183	LOG llevError, $msg;	194	LOG llevError, $msg;
184	};	195	};
185	}	196	}
186		197
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
203	)) {	214	)) {
204	no strict 'refs';	215	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	217	}
207		218
208	$Event::DIED = sub {	219	$EV::DIED = sub {
209	warn "error in event callback: @_";	220	warn "error in event callback: @_";
210	};	221	};
		222
		223	#############################################################################
211		224
212	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
213		226
214	=over 4	227	=over 4
215		228
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	248	$d
236	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
237	}	250	}
238		251
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	252	=item $ref = cf::decode_json $json
242		253
243	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
244		255
245	=item $json = cf::to_json $ref	256	=item $json = cf::encode_json $ref
246		257
247	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
		259
		260	=cut
		261
		262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		263
		264	sub encode_json($) { $json_coder->encode ($_[0]) }
		265	sub decode_json($) { $json_coder->decode ($_[0]) }
248		266
249	=item cf::lock_wait $string	267	=item cf::lock_wait $string
250		268
251	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
252		270
…		…
255	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
258	returned.	276	returned.
259		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
260	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
262		283
263	=item $locked = cf::lock_active $string	284	=item $locked = cf::lock_active $string
264		285
265	Return true if the lock is currently active, i.e. somebody has locked it.	286	Return true if the lock is currently active, i.e. somebody has locked it.
266		287
267	=cut	288	=cut
268		289
269	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
270		292
271	sub lock_wait($) {	293	sub lock_wait($) {
272	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
273		300
274	# wait for lock, if any	301	# wait for lock, if any
275	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	304	Coro::schedule;
…		…
283		310
284	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
285	lock_wait $key;	312	lock_wait $key;
286		313
287	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
288		316
289	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
292	}	321	}
293	}	322	}
294		323
…		…
306	};	335	};
307	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
308	$guard	337	$guard
309	}	338	}
310		339
		340	=item cf::periodic $interval, $cb
		341
		342	Like EV::periodic, but randomly selects a starting point so that the actions
		343	get spread over timer.
		344
		345	=cut
		346
		347	sub periodic($$) {
		348	my ($interval, $cb) = @_;
		349
		350	my $start = rand List::Util::min 180, $interval;
		351
		352	EV::periodic $start, $interval, 0, $cb
		353	}
		354
		355	=item cf::get_slot $time[, $priority[, $name]]
		356
		357	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		358	This call blocks and returns only when you have at least C<$time> seconds
		359	of cpu time till the next tick. The slot is only valid till the next cede.
		360
		361	The optional C<$name> can be used to identify the job to run. It might be
		362	used for statistical purposes and should identify the same time-class.
		363
		364	Useful for short background jobs.
		365
		366	=cut
		367
		368	our @SLOT_QUEUE;
		369	our $SLOT_QUEUE;
		370
		371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		372	$SLOT_QUEUE = Coro::async {
		373	$Coro::current->desc ("timeslot manager");
		374
		375	my $signal = new Coro::Signal;
		376
		377	while () {
		378	next_job:
		379	my $avail = cf::till_tick;
		380	if ($avail > 0.01) {
		381	for (0 .. $#SLOT_QUEUE) {
		382	if ($SLOT_QUEUE[$_][0] < $avail) {
		383	my $job = splice @SLOT_QUEUE, $_, 1, ();
		384	$job->[2]->send;
		385	Coro::cede;
		386	goto next_job;
		387	}
		388	}
		389	}
		390
		391	if (@SLOT_QUEUE) {
		392	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		393	push @cf::WAIT_FOR_TICK, $signal;
		394	$signal->wait;
		395	} else {
		396	Coro::schedule;
		397	}
		398	}
		399	};
		400
		401	sub get_slot($;$$) {
		402	my ($time, $pri, $name) = @_;
		403
		404	$time = $TICK * .6 if $time > $TICK * .6;
		405	my $sig = new Coro::Signal;
		406
		407	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		408	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		409	$SLOT_QUEUE->ready;
		410	$sig->wait;
		411	}
		412
311	=item cf::async { BLOCK }	413	=item cf::async { BLOCK }
312		414
313	Currently the same as Coro::async_pool, meaning you cannot use	415	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	416	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	417	thing you are allowed to do is call C<prio> on it.
…		…
318		420
319	BEGIN { *async = \&Coro::async_pool }	421	BEGIN { *async = \&Coro::async_pool }
320		422
321	=item cf::sync_job { BLOCK }	423	=item cf::sync_job { BLOCK }
322		424
323	The design of crossfire+ requires that the main coro ($Coro::main) is	425	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	426	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	427	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		428	acceptable.
326		429
327	If it must be done, put the blocking parts into C<sync_job>. This will run	430	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	431	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	432	server will be frozen during this time, so the block should either finish
330	fast or be very important.	433	fast or be very important.
…		…
333		436
334	sub sync_job(&) {	437	sub sync_job(&) {
335	my ($job) = @_;	438	my ($job) = @_;
336		439
337	if ($Coro::current == $Coro::main) {	440	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	441	my $time = EV::time;
339		442
340	# this is the main coro, too bad, we have to block	443	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	444	# till the operation succeeds, freezing the server :/
342		445
		446	LOG llevError, Carp::longmess "sync job";#d#
		447
343	# TODO: use suspend/resume instead	448	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	449	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	450	my $freeze_guard = freeze_mainloop;
346		451
347	my $busy = 1;	452	my $busy = 1;
348	my @res;	453	my @res;
349		454
350	(async {	455	(async {
		456	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	457	@res = eval { $job->() };
352	warn $@ if $@;	458	warn $@ if $@;
353	undef $busy;	459	undef $busy;
354	})->prio (Coro::PRIO_MAX);	460	})->prio (Coro::PRIO_MAX);
355		461
356	while ($busy) {	462	while ($busy) {
357	Coro::cede or Event::one_event;	463	if (Coro::nready) {
		464	Coro::cede_notself;
		465	} else {
		466	EV::loop EV::LOOP_ONESHOT;
358	}	467	}
		468	}
359		469
360	$time = Event::time - $time;	470	$time = EV::time - $time;
361		471
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	472	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364		474
365	$tick_start += $time; # do not account sync jobs to server load	475	$tick_start += $time; # do not account sync jobs to server load
…		…
390	$EXT_CORO{$coro+0} = $coro;	500	$EXT_CORO{$coro+0} = $coro;
391		501
392	$coro	502	$coro
393	}	503	}
394		504
395	sub write_runtime {	505	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		506
398	# first touch the runtime file to show we are still running:	507	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	508	process, returning the results. Everything must be serialisable with
		509	Coro::Storable. May, of course, block. Note that the executed sub may
		510	never block itself or use any form of event handling.
400		511
401	IO::AIO::aio_utime $runtime, undef, undef;	512	=cut
402		513
403	my $guard = cf::lock_acquire "write_runtime";	514	sub fork_call(&@) {
		515	my ($cb, @args) = @_;
404		516
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	517	# we seemingly have to make a local copy of the whole thing,
406	or return;	518	# otherwise perl prematurely frees the stuff :/
		519	# TODO: investigate and fix (likely this will be rather laborious)
407		520
408	my $value = $cf::RUNTIME + 90 + 10;	521	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	522	reset_signals;
410	# 60 allows for the watchdog to kill the server.	523	&$cb
		524	}, @args;
411		525
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	526	wantarray ? @res : $res[-1]
413	and return;	527	}
414		528
415	# always fsync - this file is important	529	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		530
419	# touch it again to show we are up-to-date	531	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		532
422	close $fh	533	=item cf::db_put $family => $key => $value
423	or return;
424		534
425	aio_rename "$runtime~", $runtime	535	Stores the given C<$value> in the family. It can currently store binary
426	and return;	536	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		537
428	warn "runtime file written.\n";	538	=item $db = cf::db_table "name"
429		539
		540	Create and/or open a new database table. The string must not be "db" and must be unique
		541	within each server.
		542
		543	=cut
		544
		545	sub db_table($) {
		546	my ($name) = @_;
		547	my $db = BDB::db_create $DB_ENV;
		548
		549	eval {
		550	$db->set_flags (BDB::CHKSUM);
		551
		552	utf8::encode $name;
		553	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		554	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		555	cf::cleanup "db_open(db): $!" if $!;
		556	};
		557	cf::cleanup "db_open(db): $@" if $@;
		558
		559	$db
		560	}
		561
		562	our $DB;
		563
		564	sub db_init {
		565	cf::sync_job {
		566	$DB ||= db_table "db";
		567	};
		568	}
		569
		570	sub db_get($$) {
		571	my $key = "$_[0]/$_[1]";
		572
		573	cf::sync_job {
		574	BDB::db_get $DB, undef, $key, my $data;
		575
		576	$! ? ()
		577	: $data
430	1	578	}
		579	}
		580
		581	sub db_put($$$) {
		582	BDB::dbreq_pri 4;
		583	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		584	}
		585
		586	=item cf::cache $id => [$paths...], $processversion => $process
		587
		588	Generic caching function that returns the value of the resource $id,
		589	caching and regenerating as required.
		590
		591	This function can block.
		592
		593	=cut
		594
		595	sub cache {
		596	my ($id, $src, $processversion, $process) = @_;
		597
		598	my $meta =
		599	join "\x00",
		600	$processversion,
		601	map {
		602	aio_stat $_
		603	and Carp::croak "$_: $!";
		604
		605	($_, (stat _)[7,9])
		606	} @$src;
		607
		608	my $dbmeta = db_get cache => "$id/meta";
		609	if ($dbmeta ne $meta) {
		610	# changed, we may need to process
		611
		612	my @data;
		613	my $md5;
		614
		615	for (0 .. $#$src) {
		616	0 <= aio_load $src->[$_], $data[$_]
		617	or Carp::croak "$src->[$_]: $!";
		618	}
		619
		620	# if processing is expensive, check
		621	# checksum first
		622	if (1) {
		623	$md5 =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	cf::cede_to_tick;
		628	($src->[$_], Digest::MD5::md5_hex $data[$_])
		629	} 0.. $#$src;
		630
		631
		632	my $dbmd5 = db_get cache => "$id/md5";
		633	if ($dbmd5 eq $md5) {
		634	db_put cache => "$id/meta", $meta;
		635
		636	return db_get cache => "$id/data";
		637	}
		638	}
		639
		640	my $t1 = Time::HiRes::time;
		641	my $data = $process->(\@data);
		642	my $t2 = Time::HiRes::time;
		643
		644	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		645
		646	db_put cache => "$id/data", $data;
		647	db_put cache => "$id/md5" , $md5;
		648	db_put cache => "$id/meta", $meta;
		649
		650	return $data;
		651	}
		652
		653	db_get cache => "$id/data"
431	}	654	}
432		655
433	=item cf::datalog type => key => value, ...	656	=item cf::datalog type => key => value, ...
434		657
435	Log a datalog packet of the given type with the given key-value pairs.	658	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")	676	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
455		678
456	In the following description, CLASS can be any of C<global>, C<object>	679	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	680	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	681	Deliantra).
459		682
460	=over 4	683	=over 4
461		684
462	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
463		686
…		…
665	_attach $registry, $klass, @attach;	888	_attach $registry, $klass, @attach;
666	}	889	}
667		890
668	$obj->{$name} = \%arg;	891	$obj->{$name} = \%arg;
669	} else {	892	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	893	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	894	}
672		895
673	$obj->{_attachment}{$name} = undef;	896	$obj->{_attachment}{$name} = undef;
674	}	897	}
675		898
…		…
715	";	938	";
716	die if $@;	939	die if $@;
717	}	940	}
718		941
719	our $override;	942	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	943	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		944
722	sub override {	945	sub override {
723	$override = 1;	946	$override = 1;
724	@invoke_results = ();	947	@INVOKE_RESULTS = (@_);
725	}	948	}
726		949
727	sub do_invoke {	950	sub do_invoke {
728	my $event = shift;	951	my $event = shift;
729	my $callbacks = shift;	952	my $callbacks = shift;
730		953
731	@invoke_results = ();	954	@INVOKE_RESULTS = ();
732		955
733	local $override;	956	local $override;
734		957
735	for (@$callbacks) {	958	for (@$callbacks) {
736	eval { &{$_->[1]} };	959	eval { &{$_->[1]} };
…		…
753		976
754	Generate an object-specific event with the given arguments.	977	Generate an object-specific event with the given arguments.
755		978
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	979	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	980	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	981	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		982
760	=back	983	=back
761		984
762	=cut	985	=cut
763		986
764	#############################################################################	987	#############################################################################
765	# object support	988	# object support
		989
		990	sub _object_equal($$);
		991	sub _object_equal($$) {
		992	my ($a, $b) = @_;
		993
		994	return 0 unless (ref $a) eq (ref $b);
		995
		996	if ("HASH" eq ref $a) {
		997	my @ka = keys %$a;
		998	my @kb = keys %$b;
		999
		1000	return 0 if @ka != @kb;
		1001
		1002	for (0 .. $#ka) {
		1003	return 0 unless $ka[$_] eq $kb[$_];
		1004	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1005	}
		1006
		1007	} elsif ("ARRAY" eq ref $a) {
		1008
		1009	return 0 if @$a != @$b;
		1010
		1011	for (0 .. $#$a) {
		1012	return 0 unless _object_equal $a->[$_], $b->[$_];
		1013	}
		1014
		1015	} elsif ($a ne $b) {
		1016	return 0;
		1017	}
		1018
		1019	1
		1020	}
		1021
		1022	our $SLOW_MERGES;#d#
		1023	sub _can_merge {
		1024	my ($ob1, $ob2) = @_;
		1025
		1026	++$SLOW_MERGES;#d#
		1027
		1028	# we do the slow way here
		1029	return _object_equal $ob1, $ob2
		1030	}
766		1031
767	sub reattach {	1032	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1034	my ($obj) = @_;
770		1035
…		…
791	cf::attachable->attach (	1056	cf::attachable->attach (
792	prio => -1000000,	1057	prio => -1000000,
793	on_instantiate => sub {	1058	on_instantiate => sub {
794	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
795		1060
796	$data = from_json $data;	1061	$data = decode_json $data;
797		1062
798	for (@$data) {	1063	for (@$data) {
799	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
800		1065
801	$obj->attach ($name, %{$args || {} });	1066	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1082	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
819		1084
820	sync_job {	1085	sync_job {
821	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
824		1090
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1094	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1095	close $fh;
830		1096
831	if (@$objs) {	1097	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1098	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1102	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1103	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
839	}	1105	}
…		…
847	}	1113	}
848	} else {	1114	} else {
849	aio_unlink $filename;	1115	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
851	}	1117	}
852	}	1118	};
853	}	1119	}
854		1120
855	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
857		1123
…		…
869	or return;	1135	or return;
870		1136
871	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
873	or return;	1139	or return;
		1140
874	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
875	}	1143	}
876		1144
		1145	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1147	$decname, length $data, scalar @{$av || []};
		1148
879	return ($data, $av);	1149	($data, $av)
880	}	1150	}
		1151
		1152	=head2 COMMAND CALLBACKS
		1153
		1154	=over 4
		1155
		1156	=cut
881		1157
882	#############################################################################	1158	#############################################################################
883	# command handling &c	1159	# command handling &c
884		1160
885	=item cf::register_command $name => \&callback($ob,$args);	1161	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1174	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1175	}
900		1176
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1177	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1178
903	Register a callbackf ro execution when the client sends an extcmd packet.	1179	Register a callback for execution when the client sends an (synchronous)
		1180	extcmd packet. Ext commands will be processed in the order they are
		1181	received by the server, like other user commands. The first argument is
		1182	the logged-in player. Ext commands can only be processed after a player
		1183	has logged in successfully.
904		1184
905	If the callback returns something, it is sent back as if reply was being	1185	If the callback returns something, it is sent back as if reply was being
906	called.	1186	called.
907		1187
		1188	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1189
		1190	Register a callback for execution when the client sends an (asynchronous)
		1191	exticmd packet. Exti commands are processed by the server as soon as they
		1192	are received, i.e. out of order w.r.t. other commands. The first argument
		1193	is a client socket. Exti commands can be received anytime, even before
		1194	log-in.
		1195
		1196	If the callback returns something, it is sent back as if reply was being
		1197	called.
		1198
908	=cut	1199	=cut
909		1200
910	sub register_extcmd {	1201	sub register_extcmd {
911	my ($name, $cb) = @_;	1202	my ($name, $cb) = @_;
912		1203
913	$EXTCMD{$name} = $cb;	1204	$EXTCMD{$name} = $cb;
		1205	}
		1206
		1207	sub register_exticmd {
		1208	my ($name, $cb) = @_;
		1209
		1210	$EXTICMD{$name} = $cb;
914	}	1211	}
915		1212
916	cf::player->attach (	1213	cf::player->attach (
917	on_command => sub {	1214	on_command => sub {
918	my ($pl, $name, $params) = @_;	1215	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1224	cf::override;
928	},	1225	},
929	on_extcmd => sub {	1226	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1227	my ($pl, $buf) = @_;
931		1228
932	my $msg = eval { from_json $buf };	1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1230
934	if (ref $msg) {	1231	if (ref $msg) {
		1232	my ($type, $reply, @payload) =
		1233	"ARRAY" eq ref $msg
		1234	? @$msg
		1235	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1236
		1237	my @reply;
		1238
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1239	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1240	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1241	}
		1242
		1243	$pl->ext_reply ($reply, @reply)
		1244	if $reply;
		1245
940	} else {	1246	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1248	}
943		1249
944	cf::override;	1250	cf::override;
945	},	1251	},
946	);	1252	);
947		1253
948	sub load_extension {
949	my ($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 {	1254	sub load_extensions {
		1255	cf::sync_job {
		1256	my %todo;
		1257
983	for my $ext (<$LIBDIR/*.ext>) {	1258	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1259	next unless -r $path;
985	eval {	1260
986	load_extension $ext;	1261	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1262	my $base = $1;
		1263	my $pkg = $1;
		1264	$pkg =~ s/[^[:word:]]/_/g;
		1265	$pkg = "ext::$pkg";
		1266
		1267	open my $fh, "<:utf8", $path
		1268	or die "$path: $!";
		1269
		1270	my $source = do { local $/; <$fh> };
		1271
		1272	my %ext = (
		1273	path => $path,
		1274	base => $base,
		1275	pkg => $pkg,
		1276	);
		1277
		1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1280
		1281	$ext{source} =
		1282	"package $pkg; use strict; use utf8;\n"
		1283	. "#line 1 \"$path\"\n{\n"
		1284	. $source
		1285	. "\n};\n1";
		1286
		1287	$todo{$base} = \%ext;
		1288	}
		1289
		1290	my %done;
		1291	while (%todo) {
		1292	my $progress;
		1293
		1294	while (my ($k, $v) = each %todo) {
		1295	for (split /,\s*/, $v->{meta}{depends}) {
		1296	goto skip
		1297	unless exists $done{$_};
		1298	}
		1299
		1300	warn "... loading '$k' into '$v->{pkg}'\n";
		1301
		1302	unless (eval $v->{source}) {
		1303	my $msg = $@ ? "$v->{path}: $@\n"
		1304	: "$v->{base}: extension inactive.\n";
		1305
		1306	if (exists $v->{meta}{mandatory}) {
		1307	warn $msg;
		1308	warn "mandatory extension failed to load, exiting.\n";
		1309	exit 1;
		1310	}
		1311
		1312	warn $msg;
		1313	}
		1314
		1315	$done{$k} = delete $todo{$k};
		1316	push @EXTS, $v->{pkg};
		1317	$progress = 1;
987	1	1318	}
988	} or warn "$ext not loaded: $@";	1319
		1320	skip:
		1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1322	unless $progress;
		1323	}
989	}	1324	};
990	}	1325	}
991		1326
992	#############################################################################	1327	#############################################################################
993		1328
		1329	=back
		1330
994	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
995		1332
996	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
997		1334
998	=cut	1335	=cut
…		…
1002	use Coro::AIO;	1339	use Coro::AIO;
1003		1340
1004	=head3 cf::player	1341	=head3 cf::player
1005		1342
1006	=over 4	1343	=over 4
		1344
		1345	=item cf::player::num_playing
		1346
		1347	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1348
		1349	=cut
		1350
		1351	sub num_playing {
		1352	scalar grep
		1353	$_->ob->map
		1354	&& !$_->hidden
		1355	&& !$_->ob->flag (cf::FLAG_WIZ),
		1356	cf::player::list
		1357	}
1007		1358
1008	=item cf::player::find $login	1359	=item cf::player::find $login
1009		1360
1010	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
1011		1362
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1401	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1402
1052	my $pl = load_pl path $login	1403	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1404	or return;
		1405
		1406	my $pl = cf::player::load_pl $f
		1407	or return;
		1408	local $cf::PLAYER_LOADING{$login} = $pl;
		1409	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
1055	}	1411	}
1056	}	1412	}
1057	}	1413	}
1058		1414
…		…
1068		1424
1069	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
1071		1427
1072	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
1073	Coro::cede;	1429	cf::cede_to_tick;
1074	}	1430	}
1075		1431
1076	sub new($) {	1432	sub new($) {
1077	my ($login) = @_;	1433	my ($login) = @_;
1078		1434
…		…
1082	$self->{deny_save} = 1;	1438	$self->{deny_save} = 1;
1083		1439
1084	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
1085		1441
1086	$self	1442	$self
		1443	}
		1444
		1445	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1446
		1447	=cut
		1448
		1449	sub send_msg {
		1450	my $ns = shift->ns
		1451	or return;
		1452	$ns->send_msg (@_);
1087	}	1453	}
1088		1454
1089	=item $pl->quit_character	1455	=item $pl->quit_character
1090		1456
1091	Nukes the player without looking back. If logged in, the connection will	1457	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1512	or return [];
1147		1513
1148	my @logins;	1514	my @logins;
1149		1515
1150	for my $login (@$dirs) {	1516	for my $login (@$dirs) {
		1517	my $path = path $login;
		1518
		1519	# a .pst is a dead give-away for a valid player
		1520	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1154		1525
1155	utf8::decode $login;	1526	utf8::decode $login;
1156	push @logins, $login;	1527	push @logins, $login;
1157	}	1528	}
1158		1529
…		…
1185	}	1556	}
1186		1557
1187	\@paths	1558	\@paths
1188	}	1559	}
1189		1560
		1561	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1562
		1563	Expand crossfire pod fragments into protocol xml.
		1564
		1565	=cut
		1566
		1567	use re 'eval';
		1568
		1569	my $group;
		1570	my $interior; $interior = qr{
		1571	# match a pod interior sequence sans C<< >>
		1572	(?:
		1573	\ (.*?)\ (?{ $group = $^N })
		1574	| < (??{$interior}) >
		1575	)
		1576	}x;
		1577
		1578	sub expand_cfpod {
		1579	my ($self, $pod) = @_;
		1580
		1581	my $xml;
		1582
		1583	while () {
		1584	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1585	$group = $1;
		1586
		1587	$group =~ s/&/&amp;/g;
		1588	$group =~ s/</&lt;/g;
		1589
		1590	$xml .= $group;
		1591	} elsif ($pod =~ m%\G
		1592	([BCGHITU])
		1593	<
		1594	(?:
		1595	([^<>]*) (?{ $group = $^N })
		1596	| < $interior >
		1597	)
		1598	>
		1599	%gcsx
		1600	) {
		1601	my ($code, $data) = ($1, $group);
		1602
		1603	if ($code eq "B") {
		1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1605	} elsif ($code eq "I") {
		1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1607	} elsif ($code eq "U") {
		1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1609	} elsif ($code eq "C") {
		1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1611	} elsif ($code eq "T") {
		1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1613	} elsif ($code eq "G") {
		1614	my ($male, $female) = split /\|/, $data;
		1615	$data = $self->gender ? $female : $male;
		1616	$xml .= expand_cfpod ($self, $data);
		1617	} elsif ($code eq "H") {
		1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1620	"")
		1621	[$self->{hintmode}];
		1622	} else {
		1623	$xml .= "error processing '$code($data)' directive";
		1624	}
		1625	} else {
		1626	if ($pod =~ /\G(.+)/) {
		1627	warn "parse error while expanding $pod (at $1)";
		1628	}
		1629	last;
		1630	}
		1631	}
		1632
		1633	for ($xml) {
		1634	# create single paragraphs (very hackish)
		1635	s/(?<=\S)\n(?=\w)/ /g;
		1636
		1637	# compress some whitespace
		1638	s/\s+\n/\n/g; # ws line-ends
		1639	s/\n\n+/\n/g; # double lines
		1640	s/^\n+//; # beginning lines
		1641	s/\n+$//; # ending lines
		1642	}
		1643
		1644	$xml
		1645	}
		1646
		1647	no re 'eval';
		1648
		1649	sub hintmode {
		1650	$_[0]{hintmode} = $_[1] if @_ > 1;
		1651	$_[0]{hintmode}
		1652	}
		1653
1190	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1191		1655
1192	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1193		1657
1194	=cut	1658	=cut
1195		1659
1196	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1198		1662
1199	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1664	}
1203		1665
1204	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1205		1667
1206	Sends an ext event to the client.	1668	Sends an ext event to the client.
1207		1669
1208	=cut	1670	=cut
1209		1671
1210	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1212		1674
1213	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1214	}	1676	}
1215		1677
1216	=head3 cf::region	1678	=head3 cf::region
1217		1679
1218	=over 4	1680	=over 4
…		…
1221		1683
1222	package cf::region;	1684	package cf::region;
1223		1685
1224	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1225		1687
1226	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1227		1689
1228	=cut	1690	=cut
1229		1691
1230	sub find_by_path($) {	1692	sub find_by_path($) {
1231	my ($path) = @_;	1693	my ($path) = @_;
1232		1694
1233	my ($match, $specificity);	1695	my ($match, $specificity);
1234		1696
1235	for my $region (list) {	1697	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1239	}	1701	}
1240	}	1702	}
1241		1703
…		…
1361	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1362	return $self;	1824	return $self;
1363	}	1825	}
1364	}	1826	}
1365		1827
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1829	()
1368	}	1830	}
1369		1831
1370	sub init {	1832	sub init {
1371	my ($self) = @_;	1833	my ($self) = @_;
…		…
1434		1896
1435	sub load_header_from($) {	1897	sub load_header_from($) {
1436	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1437		1899
1438	utf8::encode $path;	1900	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1444		1909
1445	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1446		1911
1447	1	1912	1
1448	}	1913	}
…		…
1502	sub find {	1967	sub find {
1503	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1504		1969
1505	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1506		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1508		1974
1509	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	1976	my $guard1 = cf::lock_acquire "map_find:$path";
		1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1978
1511	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1512	or return;	1980	or return;
1513		1981
1514	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1515		1983
…		…
1517	or return;	1985	or return;
1518		1986
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1522	$map->reset;	1992	$map->reset;
1523	undef $guard;
1524	return find $path;	1993	return find $path;
1525	}	1994	}
1526		1995
1527	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1528	}	1997	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1538		2007
1539	my $path = $self->{path};	2008	my $path = $self->{path};
1540		2009
1541	{	2010	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1543		2012
		2013	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2015
1546	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1547		2017
1548	$self->alloc;	2018	$self->alloc;
1549		2019
1550	$self->pre_load;	2020	$self->pre_load;
1551	Coro::cede;	2021	cf::cede_to_tick;
1552		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1554	or return;	2026	or return;
1555		2027
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2029	if delete $self->{load_original};
1558		2030
1559	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2032	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2035	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1564	}	2039	}
1565	}	2040	}
1566		2041
1567	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1568	# now do the right thing for maps	2045	# now do the right thing for maps
1569	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2048	unless $self->difficulty;
1572	Coro::cede;	2049	cf::cede_to_tick;
1573		2050
1574	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2052	$self->decay_objects;
1576	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1577	$self->update_buttons;	2054	$self->update_buttons;
1578	Coro::cede;	2055	cf::cede_to_tick;
1579	$self->set_darkness_map;	2056	$self->set_darkness_map;
1580	Coro::cede;	2057	cf::cede_to_tick;
1581	$self->activate;	2058	$self->activate;
1582	}	2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
1583		2063
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	2065	}
1586		2066
1587	$self->post_load;	2067	$self->post_load;
…		…
1598		2078
1599	$self	2079	$self
1600	}	2080	}
1601		2081
1602	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2083	sub load_neighbours {
1604	my ($map) = @_;	2084	my ($map) = @_;
1605		2085
1606	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1607		2087
1608	for (0 .. 3) {	2088	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1610	or next;	2090	or next;
1611	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1612	or next;	2092	or next;
1613	$neigh->load;	2093	$neigh->load;
1614		2094
		2095	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2098	}
1618		2099
1619	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1621	or next;	2103	or next;
1622	$neigh->load;	2104	$neigh->load;
1623	}	2105	}
1624	}	2106	}
1625		2107
…		…
1630	}	2112	}
1631		2113
1632	sub do_load_sync {	2114	sub do_load_sync {
1633	my ($map) = @_;	2115	my ($map) = @_;
1634		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1635	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1636	}	2121	}
1637		2122
1638	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1640		2125
1641	sub find_async {	2126	sub find_async {
1642	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1643		2128
1644	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1645		2130
1646	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2133	}
1649		2134
1650	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1651	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1652	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2142	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2143	$map->load if $v;
		2144	}
1657		2145
1658	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1659	}	2147	}
1660	}	2148	}
1661	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1662	};	2150	};
1663	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2154	}
1667		2155
1668	sub save {	2156	sub save {
1669	my ($self) = @_;	2157	my ($self) = @_;
1670		2158
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2160
1673	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1674		2162
1675	return unless $self->dirty;	2163	return unless $self->dirty;
1676		2164
…		…
1682	return if $self->{deny_save};	2170	return if $self->{deny_save};
1683		2171
1684	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1685		2173
1686	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1688	};	2177	};
1689		2178
1690	if ($uniq) {	2179	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1699	my ($self) = @_;	2188	my ($self) = @_;
1700		2189
1701	# save first because save cedes	2190	# save first because save cedes
1702	$self->save;	2191	$self->save;
1703		2192
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2194
1706	return if $self->players;	2195	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2197	return if $self->{deny_save};
1709		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2203	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2204	}
1713		2205
1714	sub reset_at {	2206	sub reset_at {
1715	my ($self) = @_;	2207	my ($self) = @_;
1716		2208
…		…
1748	if $uniq;	2240	if $uniq;
1749	}	2241	}
1750		2242
1751	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1752		2244
		2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2247	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2248
1757	$self->unlink_save;	2249	$self->unlink_save;
1758	$self->destroy;	2250	$self->destroy;
1759	}	2251	}
1760		2252
1761	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1762		2254
1763	sub nuke {	2255	sub nuke {
1764	my ($self) = @_;	2256	my ($self) = @_;
1765		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
1766	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
1767		2262
1768	$self->unlink_save;	2263	$self->unlink_save;
1769		2264
1770	bless $self, "cf::map";	2265	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2270
1776	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
1777		2273
1778	$self->reset; # polite request, might not happen	2274	$self->reset; # polite request, might not happen
1779	}	2275	}
1780		2276
1781	=item $maps = cf::map::tmp_maps	2277	=item $maps = cf::map::tmp_maps
…		…
1857		2353
1858	sub inv_recursive {	2354	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2355	inv_recursive_ inv $_[0]
1860	}	2356	}
1861		2357
		2358	=item $ref = $ob->ref
		2359
		2360	creates and returns a persistent reference to an objetc that can be stored as a string.
		2361
		2362	=item $ob = cf::object::deref ($refstring)
		2363
		2364	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2365	even if the object actually exists. May block.
		2366
		2367	=cut
		2368
		2369	sub deref {
		2370	my ($ref) = @_;
		2371
		2372	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2373	my ($uuid, $name) = ($1, $2);
		2374	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2375	or return;
		2376	$pl->ob->uuid eq $uuid
		2377	or return;
		2378
		2379	$pl->ob
		2380	} else {
		2381	warn "$ref: cannot resolve object reference\n";
		2382	undef
		2383	}
		2384	}
		2385
1862	package cf;	2386	package cf;
1863		2387
1864	=back	2388	=back
1865		2389
1866	=head3 cf::object::player	2390	=head3 cf::object::player
…		…
1883		2407
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2409
1886	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1888	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1891	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1892	}	2435	}
1893		2436
1894	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1895		2438
1896	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1975	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
1978		2521
1979	$map->load;	2522	$map->load;
1980	$map->load_diag;	2523	$map->load_neighbours;
1981		2524
1982	return unless $self->contr->active;	2525	return unless $self->contr->active;
1983	$self->activate_recursive;	2526	$self->activate_recursive;
1984		2527
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1987	}	2530	}
1988		2531
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2533
1991	Moves the player to the given map-path and coordinates by first freezing	2534	Moves the player to the given map-path and coordinates by first freezing
1992	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
1993	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2537	the new (success) or old (failed) map position. In either case, $done will
		2538	be called at the end of this process.
1995		2539
1996	=cut	2540	=cut
1997		2541
1998	our $GOTOGEN;	2542	our $GOTOGEN;
1999		2543
2000	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2545	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2546
2003	# do generation counting so two concurrent goto's will be executed in-order	2547	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2549
2006	$self->enter_link;	2550	$self->enter_link;
2007		2551
2008	(async {	2552	(async {
		2553	$Coro::current->{desc} = "player::goto $path $x $y";
		2554
		2555	# *tag paths override both path and x|y
		2556	if ($path =~ /^\*(.*)$/) {
		2557	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2558	my $ob = $obs[rand @obs];
		2559
		2560	# see if we actually can go there
		2561	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2562	$ob = $obs[rand @obs];
		2563	} else {
		2564	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566	# else put us there anyways for now #d#
		2567
		2568	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2569	} else {
		2570	($path, $x, $y) = (undef, undef, undef);
		2571	}
		2572	}
		2573
2009	my $map = eval {	2574	my $map = eval {
2010	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
2011		2576
2012	if ($map) {	2577	if ($map) {
2013	$map = $map->customise_for ($self);	2578	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2579	$map = $check->($map) if $check && $map;
2015	} else {	2580	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2582	}
2018		2583
2019	$map	2584	$map
2020	};	2585	};
2021		2586
…		…
2026		2591
2027	if ($gen == $self->{_goto_generation}) {	2592	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2593	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
2030	}	2595	}
		2596
		2597	$done->() if $done;
2031	})->prio (1);	2598	})->prio (1);
2032	}	2599	}
2033		2600
2034	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
2035		2602
…		…
2072	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
2073	}	2640	}
2074		2641
2075	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
2076		2643
2077	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
2078	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
2079	my $meta = "$RANDOMDIR/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
2080		2647
2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
…		…
2104	my $hp = $exit->stats->hp;	2671	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;	2672	my $sp = $exit->stats->sp;
2106		2673
2107	$self->enter_link;	2674	$self->enter_link;
2108		2675
		2676	# if exit is damned, update players death & WoR home-position
		2677	$self->contr->savebed ($slaying, $hp, $sp)
		2678	if $exit->flag (FLAG_DAMNED);
		2679
2109	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
2110	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
2111	unless (eval {	2684	unless (eval {
2112	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
2113		2686
2114	1;	2687	1;
…		…
2140		2713
2141	utf8::encode $text;	2714	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2715	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2143	}	2716	}
2144		2717
		2718	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2719
		2720	Send a drawinfo or msg packet to the client, formatting the msg for the
		2721	client if neccessary. C<$type> should be a string identifying the type of
		2722	the message, with C<log> being the default. If C<$color> is negative, suppress
		2723	the message unless the client supports the msg packet.
		2724
		2725	=cut
		2726
		2727	# non-persistent channels (usually the info channel)
		2728	our %CHANNEL = (
		2729	"c/identify" => {
		2730	id => "infobox",
		2731	title => "Identify",
		2732	reply => undef,
		2733	tooltip => "Items recently identified",
		2734	},
		2735	"c/examine" => {
		2736	id => "infobox",
		2737	title => "Examine",
		2738	reply => undef,
		2739	tooltip => "Signs and other items you examined",
		2740	},
		2741	"c/book" => {
		2742	id => "infobox",
		2743	title => "Book",
		2744	reply => undef,
		2745	tooltip => "The contents of a note or book",
		2746	},
		2747	"c/lookat" => {
		2748	id => "infobox",
		2749	title => "Look",
		2750	reply => undef,
		2751	tooltip => "What you saw there",
		2752	},
		2753	"c/who" => {
		2754	id => "infobox",
		2755	title => "Players",
		2756	reply => undef,
		2757	tooltip => "Shows players who are currently online",
		2758	},
		2759	"c/body" => {
		2760	id => "infobox",
		2761	title => "Body Parts",
		2762	reply => undef,
		2763	tooltip => "Shows which body parts you posess and are available",
		2764	},
		2765	"c/uptime" => {
		2766	id => "infobox",
		2767	title => "Uptime",
		2768	reply => undef,
		2769	tooltip => "How long the server has been running since last restart",
		2770	},
		2771	"c/mapinfo" => {
		2772	id => "infobox",
		2773	title => "Map Info",
		2774	reply => undef,
		2775	tooltip => "Information related to the maps",
		2776	},
		2777	);
		2778
		2779	sub cf::client::send_msg {
		2780	my ($self, $channel, $msg, $color, @extra) = @_;
		2781
		2782	$msg = $self->pl->expand_cfpod ($msg);
		2783
		2784	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2785
		2786	# check predefined channels, for the benefit of C
		2787	if ($CHANNEL{$channel}) {
		2788	$channel = $CHANNEL{$channel};
		2789
		2790	$self->ext_msg (channel_info => $channel)
		2791	if $self->can_msg;
		2792
		2793	$channel = $channel->{id};
		2794
		2795	} elsif (ref $channel) {
		2796	# send meta info to client, if not yet sent
		2797	unless (exists $self->{channel}{$channel->{id}}) {
		2798	$self->{channel}{$channel->{id}} = $channel;
		2799	$self->ext_msg (channel_info => $channel)
		2800	if $self->can_msg;
		2801	}
		2802
		2803	$channel = $channel->{id};
		2804	}
		2805
		2806	return unless @extra || length $msg;
		2807
		2808	if ($self->can_msg) {
		2809	# default colour, mask it out
		2810	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2811	if $color & cf::NDI_DEF;
		2812
		2813	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2814	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2815	} else {
		2816	if ($color >= 0) {
		2817	# replace some tags by gcfclient-compatible ones
		2818	for ($msg) {
		2819	1 while
		2820	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2821	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2822	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2823	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2824	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2825	}
		2826
		2827	$color &= cf::NDI_COLOR_MASK;
		2828
		2829	utf8::encode $msg;
		2830
		2831	if (0 && $msg =~ /\[/) {
		2832	# COMMAND/INFO
		2833	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2834	} else {
		2835	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2836	$self->send_packet ("drawinfo $color $msg")
		2837	}
		2838	}
		2839	}
		2840	}
		2841
2145	=item $client->ext_event ($type, %msg)	2842	=item $client->ext_msg ($type, @msg)
2146		2843
2147	Sends an exti event to the client.	2844	Sends an ext event to the client.
2148		2845
2149	=cut	2846	=cut
2150		2847
2151	sub cf::client::ext_event($$%) {	2848	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	2849	my ($self, $type, @msg) = @_;
2153		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	2854	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	2855	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2856	}
		2857	}
		2858
		2859	=item $client->ext_reply ($msgid, @msg)
		2860
		2861	Sends an ext reply to the client.
		2862
		2863	=cut
		2864
		2865	sub cf::client::ext_reply($$@) {
		2866	my ($self, $id, @msg) = @_;
		2867
		2868	if ($self->extcmd == 2) {
		2869	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2870	} elsif ($self->extcmd == 1) {
		2871	#TODO: version 1, remove
		2872	unshift @msg, msgtype => "reply", msgid => $id;
		2873	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2874	}
2156	}	2875	}
2157		2876
2158	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
2159		2878
2160	Queues a query to the client, calling the given callback with	2879	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		2882
2164	Queries can fail, so check the return code. Or don't, as queries will become	2883	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	2884	become reliable at some point in the future.
2166		2885
2167	=cut	2886	=cut
2168		2887
2169	sub cf::client::query {	2888	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	2897	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		2899
2181	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
2183	}	2904	}
2184		2905
2185	cf::client->attach (	2906	cf::client->attach (
		2907	on_connect => sub {
		2908	my ($ns) = @_;
		2909
		2910	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2911	},
2186	on_reply => sub {	2912	on_reply => sub {
2187	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
2188		2914
2189	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
2190	# get handled first	2916	# get handled first
…		…
2202	} else {	2928	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	2930	}
2205	}	2931	}
2206	},	2932	},
		2933	on_exticmd => sub {
		2934	my ($ns, $buf) = @_;
		2935
		2936	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2937
		2938	if (ref $msg) {
		2939	my ($type, $reply, @payload) =
		2940	"ARRAY" eq ref $msg
		2941	? @$msg
		2942	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2943
		2944	my @reply;
		2945
		2946	if (my $cb = $EXTICMD{$type}) {
		2947	@reply = $cb->($ns, @payload);
		2948	}
		2949
		2950	$ns->ext_reply ($reply, @reply)
		2951	if $reply;
		2952
		2953	} else {
		2954	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2955	}
		2956
		2957	cf::override;
		2958	},
2207	);	2959	);
2208		2960
2209	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
2210		2962
2211	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
2252	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
2254		3006
2255	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
2256		3008
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3009	$safe->permit_only (Opcode::opset qw(
		3010	:base_core :base_mem :base_orig :base_math
		3011	grepstart grepwhile mapstart mapwhile
		3012	sort time
		3013	));
2258		3014
2259	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2260		3016
2261	=pod	3017	=pod
2262		3018
2263	The following functions and methods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2264		3020
2265	cf::object contr pay_amount pay_player map	3021	cf::object
		3022	contr pay_amount pay_player map x y force_find force_add destroy
		3023	insert remove name archname title slaying race decrease_ob_nr
		3024
2266	cf::object::player player	3025	cf::object::player
2267	cf::player peaceful	3026	player
2268	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2269		3033
2270	=cut	3034	=cut
2271		3035
2272	for (	3036	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3038	insert remove inv name archname title slaying race
		3039	decrease_ob_nr destroy)],
2274	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2276	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2277	) {	3043	) {
2278	no strict 'refs';	3044	no strict 'refs';
…		…
2349	=back	3115	=back
2350		3116
2351	=cut	3117	=cut
2352		3118
2353	#############################################################################	3119	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524
2525	#############################################################################
2526	# the server's init and main functions	3120	# the server's init and main functions
2527		3121
2528	sub load_facedata($) {	3122	sub load_facedata($) {
2529	my ($path) = @_;	3123	my ($path) = @_;
		3124
		3125	# HACK to clear player env face cache, we need some signal framework
		3126	# for this (global event?)
		3127	%ext::player_env::MUSIC_FACE_CACHE = ();
		3128
		3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2530		3130
2531	warn "loading facedata from $path\n";	3131	warn "loading facedata from $path\n";
2532		3132
2533	my $facedata;	3133	my $facedata;
2534	0 < aio_load $path, $facedata	3134	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	3137	$facedata = Coro::Storable::thaw $facedata;
2538		3138
2539	$facedata->{version} == 2	3139	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3141
		3142	# patch in the exptable
		3143	$facedata->{resource}{"res/exp_table"} = {
		3144	type => FT_RSRC,
		3145	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3146	};
		3147	cf::cede_to_tick;
		3148
2542	{	3149	{
2543	my $faces = $facedata->{faceinfo};	3150	my $faces = $facedata->{faceinfo};
2544		3151
2545	while (my ($face, $info) = each %$faces) {	3152	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3154	cf::face::set_visibility $idx, $info->{visibility};
		3155	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2550	Coro::cede;	3158
		3159	cf::cede_to_tick;
2551	}	3160	}
2552		3161
2553	while (my ($face, $info) = each %$faces) {	3162	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3163	next unless $info->{smooth};
2555	my $idx = cf::face::find $face	3164	my $idx = cf::face::find $face
2556	or next;	3165	or next;
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3169	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3171	}
2562	Coro::cede;	3172
		3173	cf::cede_to_tick;
2563	}	3174	}
2564	}	3175	}
2565		3176
2566	{	3177	{
2567	my $anims = $facedata->{animinfo};	3178	my $anims = $facedata->{animinfo};
2568		3179
2569	while (my ($anim, $info) = each %$anims) {	3180	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3182	cf::cede_to_tick;
2572	}	3183	}
2573		3184
2574	cf::anim::invalidate_all; # d'oh	3185	cf::anim::invalidate_all; # d'oh
2575	}	3186	}
2576		3187
		3188	{
		3189	# TODO: for gcfclient pleasure, we should give resources
		3190	# that gcfclient doesn't grok a >10000 face index.
		3191	my $res = $facedata->{resource};
		3192
		3193	my $soundconf = delete $res->{"res/sound.conf"};
		3194
		3195	while (my ($name, $info) = each %$res) {
		3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3197	my $data;
		3198
		3199	if ($info->{type} & 1) {
		3200	# prepend meta info
		3201
		3202	my $meta = $enc->encode ({
		3203	name => $name,
		3204	%{ $info->{meta} || {} },
		3205	});
		3206
		3207	$data = pack "(w/a*)*", $meta, $info->{data};
		3208	} else {
		3209	$data = $info->{data};
		3210	}
		3211
		3212	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3213	cf::face::set_type $idx, $info->{type};
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217
		3218	if ($soundconf) {
		3219	$soundconf = $enc->decode (delete $soundconf->{data});
		3220
		3221	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3222	my $sound = $soundconf->{compat}[$_]
		3223	or next;
		3224
		3225	my $face = cf::face::find "sound/$sound->[1]";
		3226	cf::sound::set $sound->[0] => $face;
		3227	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3228	}
		3229
		3230	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3231	my $face = cf::face::find "sound/$v";
		3232	cf::sound::set $k => $face;
		3233	}
		3234	}
		3235	}
		3236
2577	1	3237	1
2578	}	3238	}
2579		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($ns, $want) = @_;
		3242
		3243	while (my ($k, $v) = each %$want) {
		3244	$ns->fx_want ($k, $v);
		3245	}
		3246	};
		3247
2580	sub reload_regions {	3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
2581	load_resource_file "$MAPDIR/regions"	3253	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3254	or die "unable to load regions file\n";
		3255
		3256	for (cf::region::list) {
		3257	$_->{match} = qr/$_->{match}/
		3258	if exists $_->{match};
		3259	}
2583	}	3260	}
2584		3261
2585	sub reload_facedata {	3262	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3263	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3264	or die "unable to load facedata\n";
2588	}	3265	}
2589		3266
2590	sub reload_archetypes {	3267	sub reload_archetypes {
		3268	load_resource_file "$DATADIR/archetypes"
		3269	or die "unable to load archetypes\n";
		3270	#d# NEED to laod twice to resolve forward references
		3271	# this really needs to be done in an extra post-pass
		3272	# (which needs to be synchronous, so solve it differently)
2591	load_resource_file "$DATADIR/archetypes"	3273	load_resource_file "$DATADIR/archetypes"
2592	or die "unable to load archetypes\n";	3274	or die "unable to load archetypes\n";
2593	}	3275	}
2594		3276
2595	sub reload_treasures {	3277	sub reload_treasures {
…		…
2611		3293
2612	sub init {	3294	sub init {
2613	reload_resources;	3295	reload_resources;
2614	}	3296	}
2615		3297
2616	sub cfg_load {	3298	sub reload_config {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3300	or return;
2619		3301
2620	local $/;	3302	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
…		…
2637	sub main {	3319	sub main {
2638	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3323	(async {
2642	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
2643	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
2644	};	3327	};
2645		3328
2646	cfg_load;	3329	reload_config;
2647	db_init;	3330	db_init;
2648	load_extensions;	3331	load_extensions;
2649		3332
2650	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2651	Event::loop;	3335	EV::loop;
2652	}	3336	}
2653		3337
2654	#############################################################################	3338	#############################################################################
2655	# initialisation and cleanup	3339	# initialisation and cleanup
2656		3340
2657	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2658	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2659	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2660	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2661	reentrant => 0,
2662	data => WF_AUTOCANCEL,
2663	signal => $signal,
2664	prio => 0,
2665	cb => sub {
2666	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2667	},
2668	);	3347	};
		3348	}
		3349	}
		3350
		3351	sub write_runtime {
		3352	my $runtime = "$LOCALDIR/runtime";
		3353
		3354	# first touch the runtime file to show we are still running:
		3355	# the fsync below can take a very very long time.
		3356
		3357	IO::AIO::aio_utime $runtime, undef, undef;
		3358
		3359	my $guard = cf::lock_acquire "write_runtime";
		3360
		3361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3362	or return;
		3363
		3364	my $value = $cf::RUNTIME + 90 + 10;
		3365	# 10 is the runtime save interval, for a monotonic clock
		3366	# 60 allows for the watchdog to kill the server.
		3367
		3368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3369	and return;
		3370
		3371	# always fsync - this file is important
		3372	aio_fsync $fh
		3373	and return;
		3374
		3375	# touch it again to show we are up-to-date
		3376	aio_utime $fh, undef, undef;
		3377
		3378	close $fh
		3379	or return;
		3380
		3381	aio_rename "$runtime~", $runtime
		3382	and return;
		3383
		3384	warn "runtime file written.\n";
		3385
2669	}	3386	1
2670	}	3387	}
2671		3388
2672	sub emergency_save() {	3389	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2674		3391
…		…
2680	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2682	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3403	$pl->save;
2686	}	3404	}
2687	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2688		3406
2689	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2728	warn "syncing database to disk";	3446	warn "syncing database to disk";
2729	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2730		3448
2731	# if anything goes wrong in here, we should simply crash as we already saved	3449	# if anything goes wrong in here, we should simply crash as we already saved
2732		3450
2733	warn "cancelling all WF_AUTOCANCEL watchers";
2734	for (Event::all_watchers) {
2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2736	}
2737
2738	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
2739	for (;;) {	3452	for (;;) {
2740	BDB::flush;	3453	BDB::flush;
2741	IO::AIO::flush;	3454	IO::AIO::flush;
2742	Coro::cede;	3455	Coro::cede_notself;
2743	last unless IO::AIO::nreqs || BDB::nreqs;	3456	last unless IO::AIO::nreqs || BDB::nreqs;
2744	warn "iterate...";	3457	warn "iterate...";
2745	}	3458	}
2746		3459
2747	++$RELOAD;	3460	++$RELOAD;
…		…
2751	%EXT_CORO = ();	3464	%EXT_CORO = ();
2752		3465
2753	warn "removing commands";	3466	warn "removing commands";
2754	%COMMAND = ();	3467	%COMMAND = ();
2755		3468
2756	warn "removing ext commands";	3469	warn "removing ext/exti commands";
2757	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2758		3472
2759	warn "unloading/nuking all extensions";	3473	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2762		3476
…		…
2805	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2806	require cf;	3520	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2808		3522
2809	warn "loading config and database again";	3523	warn "loading config and database again";
2810	cf::cfg_load;	3524	cf::reload_config;
2811		3525
2812	warn "loading extensions";	3526	warn "loading extensions";
2813	cf::load_extensions;	3527	cf::load_extensions;
2814		3528
2815	warn "reattaching attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
…		…
2835		3549
2836	sub reload_perl() {	3550	sub reload_perl() {
2837	# doing reload synchronously and two reloads happen back-to-back,	3551	# doing reload synchronously and two reloads happen back-to-back,
2838	# coro crashes during coro_state_free->destroy here.	3552	# coro crashes during coro_state_free->destroy here.
2839		3553
2840	$RELOAD_WATCHER ||= Event->timer (	3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2841	reentrant => 0,
2842	after => 0,
2843	data => WF_AUTOCANCEL,
2844	cb => sub {
2845	do_reload_perl;
2846	undef $RELOAD_WATCHER;	3555	undef $RELOAD_WATCHER;
2847	},	3556	do_reload_perl;
2848	);	3557	};
2849	}	3558	}
2850		3559
2851	register_command "reload" => sub {	3560	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2853		3562
2854	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3567	reload_perl;
		3568	};
2857	}	3569	}
2858	};	3570	};
2859		3571
2860	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2861		3573
…		…
2880	my $signal = new Coro::Signal;	3592	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3593	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3594	$signal->wait;
2883	}	3595	}
2884		3596
2885	my $min = 1e6;#d#	3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,
2889	parked => 1,
2890	prio => 0,
2891	at => $NEXT_TICK || $TICK,
2892	data => WF_AUTOCANCEL,
2893	cb => sub {
2894	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
2897	return;	3601	return;
2898	}	3602	}
2899		3603
2900	$NOW = $tick_start = Event::time;	3604	$NOW = $tick_start = EV::now;
2901		3605
2902	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
2903		3607
2904	0 && sync_job {#d#	3608	$RUNTIME += $TICK;
2905	for(1..10) {	3609	$NEXT_TICK += $TICK;
2906	my $t = Event::time;
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2908	or die;
2909		3610
2910	$map->width (50);	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2911	$map->height (50);	3612	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2912	$map->alloc;	3613	Coro::async_pool {
2913	$map->_load_objects ("/tmp/x.map", 1);	3614	$Coro::current->{desc} = "runtime saver";
2914	my $t = Event::time - $t;	3615	write_runtime
2915		3616	or warn "ERROR: unable to write runtime file: $!";
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};	3617	};
		3618	}
2926		3619
2927	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;
2929
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {
2933	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";
2935	};
2936	}
2937
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3621	$sig->send;
2943	}	3622	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3623	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	3624	$sig->send;
2946	}	3625	}
2947		3626
2948	$NOW = Event::time;
2949
2950	# if we are delayed by four ticks or more, skip them all
2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953	$TICK_WATCHER->at ($NEXT_TICK);
2954	$TICK_WATCHER->start;
2955
2956	$LOAD = ($NOW - $tick_start) / $TICK;	3627	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		3629
2959	_post_tick;	3630	_post_tick;
2960		3631	};
2961		3632	$TICK_WATCHER->priority (EV::MAXPRI);
2962	},
2963	);
2964		3633
2965	{	3634	{
2966	BDB::max_poll_time $TICK * 0.1;	3635	# configure BDB
2967	$BDB_POLL_WATCHER = Event->io (	3636
2968	reentrant => 0,
2969	fd => BDB::poll_fileno,
2970	poll => 'r',
2971	prio => 0,
2972	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,
2974	);
2975	BDB::min_parallel 8;	3637	BDB::min_parallel 8;
2976		3638	BDB::max_poll_reqs $TICK * 0.1;
2977	BDB::set_sync_prepare {	3639	$Coro::BDB::WATCHER->priority (1);
2978	my $status;
2979	my $current = $Coro::current;
2980	(
2981	sub {
2982	$status = $!;
2983	$current->ready; undef $current;
2984	},
2985	sub {
2986	Coro::schedule while defined $current;
2987	$! = $status;
2988	},
2989	)
2990	};
2991		3640
2992	unless ($DB_ENV) {	3641	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	3642	$DB_ENV = BDB::db_env_create;
		3643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3644	| BDB::LOG_AUTOREMOVE, 1);
		3645	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3646	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		3647
2995	cf::sync_job {	3648	cf::sync_job {
2996	eval {	3649	eval {
2997	BDB::db_env_open	3650	BDB::db_env_open
2998	$DB_ENV,	3651	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3653	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3654	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	3655	0666;
3003		3656
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3657	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	3658	};
3009		3659
3010	cf::cleanup "db_env_open(db): $@" if $@;	3660	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	3661	};
3012	}	3662	}
		3663
		3664	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3665	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3666	};
		3667	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3668	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3669	};
		3670	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3671	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3672	};
3013	}	3673	}
3014		3674
3015	{	3675	{
		3676	# configure IO::AIO
		3677
3016	IO::AIO::min_parallel 8;	3678	IO::AIO::min_parallel 8;
3017
3018	undef $Coro::AIO::WATCHER;
3019	IO::AIO::max_poll_time $TICK * 0.1;	3679	IO::AIO::max_poll_time $TICK * 0.1;
3020	$AIO_POLL_WATCHER = Event->io (	3680	$Coro::AIO::WATCHER->priority (1);
3021	reentrant => 0,
3022	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,
3024	poll => 'r',
3025	prio => 6,
3026	cb => \&IO::AIO::poll_cb,
3027	);
3028	}	3681	}
3029		3682
3030	my $_log_backtrace;	3683	my $_log_backtrace;
3031		3684
3032	sub _log_backtrace {	3685	sub _log_backtrace {
…		…
3036		3689
3037	# limit the # of concurrent backtraces	3690	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	3691	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	3692	++$_log_backtrace;
3040	async {	3693	async {
		3694	$Coro::current->{desc} = "abt $msg";
		3695
3041	my @bt = fork_call {	3696	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	3697	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3698	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3699	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	3700	or die "addr2line: $!";

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