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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.402 by root, Mon Dec 17 07:03:32 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;
…		…
967	path => $path,	1273	path => $path,
968	base => $base,	1274	base => $base,
969	pkg => $pkg,	1275	pkg => $pkg,
970	);	1276	);
971		1277
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1280
975	$ext{source} =	1281	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1282	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1283	. "#line 1 \"$path\"\n{\n"
978	. $source	1284	. $source
…		…
984	my %done;	1290	my %done;
985	while (%todo) {	1291	while (%todo) {
986	my $progress;	1292	my $progress;
987		1293
988	while (my ($k, $v) = each %todo) {	1294	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1295	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1296	goto skip
991	unless exists $done{$_};	1297	unless exists $done{$_};
992	}	1298	}
993		1299
994	warn "... loading '$k' into '$v->{pkg}'\n";	1300	warn "... loading '$k' into '$v->{pkg}'\n";
995		1301
996	unless (eval $v->{source}) {	1302	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1303	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1304	: "$v->{base}: extension inactive.\n";
999		1305
1000	if (exists $v->{meta}{mandatory}) {	1306	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1307	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1308	warn "mandatory extension failed to load, exiting.\n";
1003	exit 1;	1309	exit 1;
1004	}	1310	}
1005		1311
1006	die $msg;	1312	warn $msg;
1007	}	1313	}
1008		1314
1009	$done{$k} = delete $todo{$k};	1315	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1316	push @EXTS, $v->{pkg};
		1317	$progress = 1;
1011	}	1318	}
1012		1319
1013	skip:	1320	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1322	unless $progress;
…		…
1017	};	1324	};
1018	}	1325	}
1019		1326
1020	#############################################################################	1327	#############################################################################
1021		1328
		1329	=back
		1330
1022	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
1023		1332
1024	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
1025		1334
1026	=cut	1335	=cut
…		…
1030	use Coro::AIO;	1339	use Coro::AIO;
1031		1340
1032	=head3 cf::player	1341	=head3 cf::player
1033		1342
1034	=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	}
1035		1358
1036	=item cf::player::find $login	1359	=item cf::player::find $login
1037		1360
1038	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
1039		1362
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1401	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1402
1080	my $pl = load_pl path $login	1403	my $f = new_from_file cf::object::thawer path $login
1081	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;
1082	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
1083	}	1411	}
1084	}	1412	}
1085	}	1413	}
1086		1414
…		…
1096		1424
1097	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
1099		1427
1100	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
1101	Coro::cede;	1429	cf::cede_to_tick;
1102	}	1430	}
1103		1431
1104	sub new($) {	1432	sub new($) {
1105	my ($login) = @_;	1433	my ($login) = @_;
1106		1434
…		…
1110	$self->{deny_save} = 1;	1438	$self->{deny_save} = 1;
1111		1439
1112	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
1113		1441
1114	$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 (@_);
1115	}	1453	}
1116		1454
1117	=item $pl->quit_character	1455	=item $pl->quit_character
1118		1456
1119	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
…		…
1174	or return [];	1512	or return [];
1175		1513
1176	my @logins;	1514	my @logins;
1177		1515
1178	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") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1182		1525
1183	utf8::decode $login;	1526	utf8::decode $login;
1184	push @logins, $login;	1527	push @logins, $login;
1185	}	1528	}
1186		1529
…		…
1213	}	1556	}
1214		1557
1215	\@paths	1558	\@paths
1216	}	1559	}
1217		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
1218	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1219		1655
1220	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1221		1657
1222	=cut	1658	=cut
1223		1659
1224	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1226		1662
1227	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1664	}
1231		1665
1232	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1233		1667
1234	Sends an ext event to the client.	1668	Sends an ext event to the client.
1235		1669
1236	=cut	1670	=cut
1237		1671
1238	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1240		1674
1241	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1242	}	1676	}
1243		1677
1244	=head3 cf::region	1678	=head3 cf::region
1245		1679
1246	=over 4	1680	=over 4
…		…
1249		1683
1250	package cf::region;	1684	package cf::region;
1251		1685
1252	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1253		1687
1254	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1255		1689
1256	=cut	1690	=cut
1257		1691
1258	sub find_by_path($) {	1692	sub find_by_path($) {
1259	my ($path) = @_;	1693	my ($path) = @_;
1260		1694
1261	my ($match, $specificity);	1695	my ($match, $specificity);
1262		1696
1263	for my $region (list) {	1697	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1267	}	1701	}
1268	}	1702	}
1269		1703
…		…
1389	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1390	return $self;	1824	return $self;
1391	}	1825	}
1392	}	1826	}
1393		1827
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1829	()
1396	}	1830	}
1397		1831
1398	sub init {	1832	sub init {
1399	my ($self) = @_;	1833	my ($self) = @_;
…		…
1462		1896
1463	sub load_header_from($) {	1897	sub load_header_from($) {
1464	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1465		1899
1466	utf8::encode $path;	1900	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	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;
1472		1909
1473	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1474		1911
1475	1	1912	1
1476	}	1913	}
…		…
1530	sub find {	1967	sub find {
1531	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1532		1969
1533	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1534		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1536		1974
1537	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1538	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
1539	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1540	or return;	1980	or return;
1541		1981
1542	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1543		1983
…		…
1545	or return;	1985	or return;
1546		1986
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1550	$map->reset;	1992	$map->reset;
1551	undef $guard;
1552	return find $path;	1993	return find $path;
1553	}	1994	}
1554		1995
1555	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1556	}	1997	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1566		2007
1567	my $path = $self->{path};	2008	my $path = $self->{path};
1568		2009
1569	{	2010	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1571		2012
		2013	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2015
1574	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1575		2017
1576	$self->alloc;	2018	$self->alloc;
1577		2019
1578	$self->pre_load;	2020	$self->pre_load;
1579	Coro::cede;	2021	cf::cede_to_tick;
1580		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1582	or return;	2026	or return;
1583		2027
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1585	if delete $self->{load_original};	2029	if delete $self->{load_original};
1586		2030
1587	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2032	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2035	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1592	}	2039	}
1593	}	2040	}
1594		2041
1595	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1596	# now do the right thing for maps	2045	# now do the right thing for maps
1597	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2048	unless $self->difficulty;
1600	Coro::cede;	2049	cf::cede_to_tick;
1601		2050
1602	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2052	$self->decay_objects;
1604	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1605	$self->update_buttons;	2054	$self->update_buttons;
1606	Coro::cede;	2055	cf::cede_to_tick;
1607	$self->set_darkness_map;	2056	$self->set_darkness_map;
1608	Coro::cede;	2057	cf::cede_to_tick;
1609	$self->activate;	2058	$self->activate;
1610	}	2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
1611		2063
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_IN_MEMORY);
1613	}	2065	}
1614		2066
1615	$self->post_load;	2067	$self->post_load;
…		…
1626		2078
1627	$self	2079	$self
1628	}	2080	}
1629		2081
1630	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2083	sub load_neighbours {
1632	my ($map) = @_;	2084	my ($map) = @_;
1633		2085
1634	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1635		2087
1636	for (0 .. 3) {	2088	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1638	or next;	2090	or next;
1639	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1640	or next;	2092	or next;
1641	$neigh->load;	2093	$neigh->load;
1642		2094
		2095	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2098	}
1646		2099
1647	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1649	or next;	2103	or next;
1650	$neigh->load;	2104	$neigh->load;
1651	}	2105	}
1652	}	2106	}
1653		2107
…		…
1658	}	2112	}
1659		2113
1660	sub do_load_sync {	2114	sub do_load_sync {
1661	my ($map) = @_;	2115	my ($map) = @_;
1662		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1663	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1664	}	2121	}
1665		2122
1666	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1668		2125
1669	sub find_async {	2126	sub find_async {
1670	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1671		2128
1672	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1673		2130
1674	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1676	}	2133	}
1677		2134
1678	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1679	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1680	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2142	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2143	$map->load if $v;
		2144	}
1685		2145
1686	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1687	}	2147	}
1688	}	2148	}
1689	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1690	};	2150	};
1691	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2154	}
1695		2155
1696	sub save {	2156	sub save {
1697	my ($self) = @_;	2157	my ($self) = @_;
1698		2158
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2160
1701	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1702		2162
1703	return unless $self->dirty;	2163	return unless $self->dirty;
1704		2164
…		…
1710	return if $self->{deny_save};	2170	return if $self->{deny_save};
1711		2171
1712	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1713		2173
1714	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1716	};	2177	};
1717		2178
1718	if ($uniq) {	2179	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1727	my ($self) = @_;	2188	my ($self) = @_;
1728		2189
1729	# save first because save cedes	2190	# save first because save cedes
1730	$self->save;	2191	$self->save;
1731		2192
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2194
1734	return if $self->players;	2195	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};	2197	return if $self->{deny_save};
1737		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2203	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2204	}
1741		2205
1742	sub reset_at {	2206	sub reset_at {
1743	my ($self) = @_;	2207	my ($self) = @_;
1744		2208
…		…
1776	if $uniq;	2240	if $uniq;
1777	}	2241	}
1778		2242
1779	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1780		2244
		2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2247	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2248
1785	$self->unlink_save;	2249	$self->unlink_save;
1786	$self->destroy;	2250	$self->destroy;
1787	}	2251	}
1788		2252
1789	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1790		2254
1791	sub nuke {	2255	sub nuke {
1792	my ($self) = @_;	2256	my ($self) = @_;
1793		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
1794	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
1795		2262
1796	$self->unlink_save;	2263	$self->unlink_save;
1797		2264
1798	bless $self, "cf::map";	2265	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2270
1804	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
1805		2273
1806	$self->reset; # polite request, might not happen	2274	$self->reset; # polite request, might not happen
1807	}	2275	}
1808		2276
1809	=item $maps = cf::map::tmp_maps	2277	=item $maps = cf::map::tmp_maps
…		…
1885		2353
1886	sub inv_recursive {	2354	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2355	inv_recursive_ inv $_[0]
1888	}	2356	}
1889		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
1890	package cf;	2386	package cf;
1891		2387
1892	=back	2388	=back
1893		2389
1894	=head3 cf::object::player	2390	=head3 cf::object::player
…		…
1911		2407
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2409
1914	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1916	} 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 {
1917	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1919	}	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 (@_);
1920	}	2435	}
1921		2436
1922	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1923		2438
1924	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
2006		2521
2007	$map->load;	2522	$map->load;
2008	$map->load_diag;	2523	$map->load_neighbours;
2009		2524
2010	return unless $self->contr->active;	2525	return unless $self->contr->active;
2011	$self->activate_recursive;	2526	$self->activate_recursive;
2012		2527
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2015	}	2530	}
2016		2531
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2533
2019	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
2020	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2021	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
2022	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.
2023		2539
2024	=cut	2540	=cut
2025		2541
2026	our $GOTOGEN;	2542	our $GOTOGEN;
2027		2543
2028	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2545	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2546
2031	# 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
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2549
2034	$self->enter_link;	2550	$self->enter_link;
2035		2551
2036	(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
2037	my $map = eval {	2574	my $map = eval {
2038	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
2039		2576
2040	if ($map) {	2577	if ($map) {
2041	$map = $map->customise_for ($self);	2578	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2579	$map = $check->($map) if $check && $map;
2043	} else {	2580	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2582	}
2046		2583
2047	$map	2584	$map
2048	};	2585	};
2049		2586
…		…
2054		2591
2055	if ($gen == $self->{_goto_generation}) {	2592	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2593	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
2058	}	2595	}
		2596
		2597	$done->() if $done;
2059	})->prio (1);	2598	})->prio (1);
2060	}	2599	}
2061		2600
2062	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
2063		2602
…		…
2100	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
2101	}	2640	}
2102		2641
2103	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
2104		2643
2105	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
2106	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
2108		2647
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
…		…
2132	my $hp = $exit->stats->hp;	2671	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;	2672	my $sp = $exit->stats->sp;
2134		2673
2135	$self->enter_link;	2674	$self->enter_link;
2136		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
2137	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
2138	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
2139	unless (eval {	2684	unless (eval {
2140	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
2141		2686
2142	1;	2687	1;
…		…
2168		2713
2169	utf8::encode $text;	2714	utf8::encode $text;
2170	$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);
2171	}	2716	}
2172		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
2173	=item $client->ext_event ($type, %msg)	2842	=item $client->ext_msg ($type, @msg)
2174		2843
2175	Sends an exti event to the client.	2844	Sends an ext event to the client.
2176		2845
2177	=cut	2846	=cut
2178		2847
2179	sub cf::client::ext_event($$%) {	2848	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2849	my ($self, $type, @msg) = @_;
2181		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2854	push @msg, msgtype => "event_$type";
2183	$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	}
2184	}	2875	}
2185		2876
2186	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
2187		2878
2188	Queues a query to the client, calling the given callback with	2879	Queues a query to the client, calling the given callback with
2189	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>,
2190	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>.
2191		2882
2192	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
2193	reliable at some point in the future.	2884	become reliable at some point in the future.
2194		2885
2195	=cut	2886	=cut
2196		2887
2197	sub cf::client::query {	2888	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2897	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2899
2209	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
2211	}	2904	}
2212		2905
2213	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	},
2214	on_reply => sub {	2912	on_reply => sub {
2215	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
2216		2914
2217	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
2218	# get handled first	2916	# get handled first
…		…
2230	} else {	2928	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2930	}
2233	}	2931	}
2234	},	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	},
2235	);	2959	);
2236		2960
2237	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
2238		2962
2239	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
2282		3006
2283	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
2284		3008
2285	$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	));
2286		3014
2287	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2288		3016
2289	=pod	3017	=pod
2290		3018
2291	The following functions and methods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2292		3020
2293	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
2294	cf::object::player player	3025	cf::object::player
2295	cf::player peaceful	3026	player
2296	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2297		3033
2298	=cut	3034	=cut
2299		3035
2300	for (	3036	for (
2301	["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)],
2302	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2305	) {	3043	) {
2306	no strict 'refs';	3044	no strict 'refs';
…		…
2377	=back	3115	=back
2378		3116
2379	=cut	3117	=cut
2380		3118
2381	#############################################################################	3119	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3120	# the server's init and main functions
2555		3121
2556	sub load_facedata($) {	3122	sub load_facedata($) {
2557	my ($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;
2558		3130
2559	warn "loading facedata from $path\n";	3131	warn "loading facedata from $path\n";
2560		3132
2561	my $facedata;	3133	my $facedata;
2562	0 < aio_load $path, $facedata	3134	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3137	$facedata = Coro::Storable::thaw $facedata;
2566		3138
2567	$facedata->{version} == 2	3139	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		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
2570	{	3149	{
2571	my $faces = $facedata->{faceinfo};	3150	my $faces = $facedata->{faceinfo};
2572		3151
2573	while (my ($face, $info) = each %$faces) {	3152	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3154	cf::face::set_visibility $idx, $info->{visibility};
		3155	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3158
		3159	cf::cede_to_tick;
2579	}	3160	}
2580		3161
2581	while (my ($face, $info) = each %$faces) {	3162	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3163	next unless $info->{smooth};
2583	my $idx = cf::face::find $face	3164	my $idx = cf::face::find $face
2584	or next;	3165	or next;
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3169	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3171	}
2590	Coro::cede;	3172
		3173	cf::cede_to_tick;
2591	}	3174	}
2592	}	3175	}
2593		3176
2594	{	3177	{
2595	my $anims = $facedata->{animinfo};	3178	my $anims = $facedata->{animinfo};
2596		3179
2597	while (my ($anim, $info) = each %$anims) {	3180	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3182	cf::cede_to_tick;
2600	}	3183	}
2601		3184
2602	cf::anim::invalidate_all; # d'oh	3185	cf::anim::invalidate_all; # d'oh
2603	}	3186	}
2604		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 => $face;
		3233	}
		3234	}
		3235	}
		3236
2605	1	3237	1
2606	}	3238	}
2607		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($ns, $want) = @_;
		3242
		3243	while (my ($k, $v) = each %$want) {
		3244	$ns->fx_want ($k, $v);
		3245	}
		3246	};
		3247
2608	sub reload_regions {	3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
2609	load_resource_file "$MAPDIR/regions"	3253	load_resource_file "$MAPDIR/regions"
2610	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 $_->{match};
		3259	}
2611	}	3260	}
2612		3261
2613	sub reload_facedata {	3262	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3263	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3264	or die "unable to load facedata\n";
2616	}	3265	}
2617		3266
2618	sub reload_archetypes {	3267	sub reload_archetypes {
		3268	load_resource_file "$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)
2619	load_resource_file "$DATADIR/archetypes"	3273	load_resource_file "$DATADIR/archetypes"
2620	or die "unable to load archetypes\n";	3274	or die "unable to load archetypes\n";
2621	}	3275	}
2622		3276
2623	sub reload_treasures {	3277	sub reload_treasures {
…		…
2639		3293
2640	sub init {	3294	sub init {
2641	reload_resources;	3295	reload_resources;
2642	}	3296	}
2643		3297
2644	sub cfg_load {	3298	sub reload_config {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3300	or return;
2647		3301
2648	local $/;	3302	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
…		…
2665	sub main {	3319	sub main {
2666	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2668	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#
2669	(async {	3323	(async {
2670	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
2672	};	3327	};
2673		3328
2674	cfg_load;	3329	reload_config;
2675	db_init;	3330	db_init;
2676	load_extensions;	3331	load_extensions;
2677		3332
2678	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2679	Event::loop;	3335	EV::loop;
2680	}	3336	}
2681		3337
2682	#############################################################################	3338	#############################################################################
2683	# initialisation and cleanup	3339	# initialisation and cleanup
2684		3340
2685	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2686	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2695	},
2696	);	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
2697	}	3386	1
2698	}	3387	}
2699		3388
2700	sub emergency_save() {	3389	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2702		3391
…		…
2708	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3403	$pl->save;
2714	}	3404	}
2715	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2716		3406
2717	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2756	warn "syncing database to disk";	3446	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3448
2759	# 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
2760		3450
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
2767	for (;;) {	3452	for (;;) {
2768	BDB::flush;	3453	BDB::flush;
2769	IO::AIO::flush;	3454	IO::AIO::flush;
2770	Coro::cede;	3455	Coro::cede_notself;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3456	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";	3457	warn "iterate...";
2773	}	3458	}
2774		3459
2775	++$RELOAD;	3460	++$RELOAD;
…		…
2779	%EXT_CORO = ();	3464	%EXT_CORO = ();
2780		3465
2781	warn "removing commands";	3466	warn "removing commands";
2782	%COMMAND = ();	3467	%COMMAND = ();
2783		3468
2784	warn "removing ext commands";	3469	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2786		3472
2787	warn "unloading/nuking all extensions";	3473	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2790		3476
…		…
2833	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2834	require cf;	3520	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3522
2837	warn "loading config and database again";	3523	warn "loading config and database again";
2838	cf::cfg_load;	3524	cf::reload_config;
2839		3525
2840	warn "loading extensions";	3526	warn "loading extensions";
2841	cf::load_extensions;	3527	cf::load_extensions;
2842		3528
2843	warn "reattaching attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
…		…
2863		3549
2864	sub reload_perl() {	3550	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3551	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3552	# coro crashes during coro_state_free->destroy here.
2867		3553
2868	$RELOAD_WATCHER ||= Event->timer (	3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2869	reentrant => 0,
2870	after => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => sub {
2873	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3555	undef $RELOAD_WATCHER;
2875	},	3556	do_reload_perl;
2876	);	3557	};
2877	}	3558	}
2878		3559
2879	register_command "reload" => sub {	3560	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2881		3562
2882	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3567	reload_perl;
		3568	};
2885	}	3569	}
2886	};	3570	};
2887		3571
2888	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2889		3573
…		…
2908	my $signal = new Coro::Signal;	3592	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3593	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3594	$signal->wait;
2911	}	3595	}
2912		3596
2913	my $min = 1e6;#d#	3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
2925	return;	3601	return;
2926	}	3602	}
2927		3603
2928	$NOW = $tick_start = Event::time;	3604	$NOW = $tick_start = EV::now;
2929		3605
2930	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
2931		3607
2932	0 && sync_job {#d#	3608	$RUNTIME += $TICK;
2933	for(1..10) {	3609	$NEXT_TICK += $TICK;
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		3610
2938	$map->width (50);	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	3612	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	3613	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	3614	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	3615	write_runtime
2943		3616	or warn "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3617	};
		3618	}
2954		3619
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3621	$sig->send;
2971	}	3622	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3623	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3624	$sig->send;
2974	}	3625	}
2975		3626
2976	$NOW = Event::time;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;	3627	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3629
2987	_post_tick;	3630	_post_tick;
2988		3631	};
2989		3632	$TICK_WATCHER->priority (EV::MAXPRI);
2990	},
2991	);
2992		3633
2993	{	3634	{
2994	BDB::max_poll_time $TICK * 0.1;	3635	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3636
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3637	BDB::min_parallel 8;
3004		3638	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3639
3020	unless ($DB_ENV) {	3640	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3641	$DB_ENV = BDB::db_env_create;
		3642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3643	| BDB::LOG_AUTOREMOVE, 1);
		3644	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3645	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3646
3023	cf::sync_job {	3647	cf::sync_job {
3024	eval {	3648	eval {
3025	BDB::db_env_open	3649	BDB::db_env_open
3026	$DB_ENV,	3650	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3652	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3653	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3654	0666;
3031		3655
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3656	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3657	};
3037		3658
3038	cf::cleanup "db_env_open(db): $@" if $@;	3659	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3660	};
3040	}	3661	}
		3662
		3663	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3664	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3665	};
		3666	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3667	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3668	};
		3669	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3670	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3671	};
3041	}	3672	}
3042		3673
3043	{	3674	{
		3675	# configure IO::AIO
		3676
3044	IO::AIO::min_parallel 8;	3677	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3678	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3679	}
3057		3680
3058	my $_log_backtrace;	3681	my $_log_backtrace;
3059		3682
3060	sub _log_backtrace {	3683	sub _log_backtrace {
…		…
3064		3687
3065	# limit the # of concurrent backtraces	3688	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3689	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3690	++$_log_backtrace;
3068	async {	3691	async {
		3692	$Coro::current->{desc} = "abt $msg";
		3693
3069	my @bt = fork_call {	3694	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3695	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3696	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3697	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3698	or die "addr2line: $!";

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