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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 1.399 by root, Sun Dec 16 02:50:33 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS 2.01 ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		42
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
44		45
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		47
…		…
49	our %COMMAND = ();	50	our %COMMAND = ();
50	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
51		52
52	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
56		58
57	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
58	our @EVENT;	60	our @EVENT;
…		…
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	75	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	78	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	79	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		80
80	our $BDB_POLL_WATCHER;	81	our $BDB_POLL_WATCHER;
		82	our $BDB_DEADLOCK_WATCHER;
		83	our $BDB_CHECKPOINT_WATCHER;
		84	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	85	our $DB_ENV;
82		86
83	our %CFG;	87	our %CFG;
84		88
85	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	90	our $RUNTIME;
		91	our $NOW;
87		92
88	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
91		96
92	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		99
…		…
155		160
156	The raw value load value from the last tick.	161	The raw value load value from the last tick.
157		162
158	=item %cf::CFG	163	=item %cf::CFG
159		164
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	166	from wherever your confdir points to.
162		167
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		169
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	171	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
		179
169	=back	180	=back
170		181
171	=cut	182	=cut
172		183
173	BEGIN {	184	BEGIN {
…		…
177	$msg .= "\n"	188	$msg .= "\n"
178	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
179		190
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		192
182	utf8::encode $msg;
183	LOG llevError, $msg;	193	LOG llevError, $msg;
184	};	194	};
185	}	195	}
186		196
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
203	)) {	213	)) {
204	no strict 'refs';	214	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	216	}
207		217
208	$Event::DIED = sub {	218	$EV::DIED = sub {
209	warn "error in event callback: @_";	219	warn "error in event callback: @_";
210	};	220	};
		221
		222	#############################################################################
211		223
212	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
213		225
214	=over 4	226	=over 4
215		227
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	247	$d
236	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
237	}	249	}
238		250
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
242		252
243	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
244		254
245	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
246		256
247	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub encode_json($) { $json_coder->encode ($_[0]) }
		264	sub decode_json($) { $json_coder->decode ($_[0]) }
248		265
249	=item cf::lock_wait $string	266	=item cf::lock_wait $string
250		267
251	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
252		269
…		…
255	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
258	returned.	275	returned.
259		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
260	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
262		282
263	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
264		284
265	Return true if the lock is currently active, i.e. somebody has locked it.	285	Return true if the lock is currently active, i.e. somebody has locked it.
266		286
267	=cut	287	=cut
268		288
269	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
270		291
271	sub lock_wait($) {	292	sub lock_wait($) {
272	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
273		299
274	# wait for lock, if any	300	# wait for lock, if any
275	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	303	Coro::schedule;
…		…
283		309
284	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
285	lock_wait $key;	311	lock_wait $key;
286		312
287	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
288		315
289	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
292	}	320	}
293	}	321	}
294		322
…		…
306	};	334	};
307	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
308	$guard	336	$guard
309	}	337	}
310		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
		410	}
		411
311	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
312		413
313	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	415	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	416	thing you are allowed to do is call C<prio> on it.
…		…
318		419
319	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
320		421
321	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
322		423
323	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
326		428
327	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
330	fast or be very important.	432	fast or be very important.
…		…
333		435
334	sub sync_job(&) {	436	sub sync_job(&) {
335	my ($job) = @_;	437	my ($job) = @_;
336		438
337	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	440	my $time = EV::time;
339		441
340	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
342		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
343	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	448	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
346		450
347	my $busy = 1;	451	my $busy = 1;
348	my @res;	452	my @res;
349		453
350	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	456	@res = eval { $job->() };
352	warn $@ if $@;	457	warn $@ if $@;
353	undef $busy;	458	undef $busy;
354	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
355		460
356	while ($busy) {	461	while ($busy) {
357	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
358	}	466	}
		467	}
359		468
360	$time = Event::time - $time;	469	$time = EV::time - $time;
361		470
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364		473
365	$tick_start += $time; # do not account sync jobs to server load	474	$tick_start += $time; # do not account sync jobs to server load
…		…
390	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
391		500
392	$coro	501	$coro
393	}	502	}
394		503
395	sub write_runtime {	504	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		505
398	# first touch the runtime file to show we are still running:	506	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
400		510
401	IO::AIO::aio_utime $runtime, undef, undef;	511	=cut
402		512
403	my $guard = cf::lock_acquire "write_runtime";	513	sub fork_call(&@) {
		514	my ($cb, @args) = @_;
404		515
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	516	# we seemingly have to make a local copy of the whole thing,
406	or return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
407		519
408	my $value = $cf::RUNTIME + 90 + 10;	520	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	521	reset_signals;
410	# 60 allows for the watchdog to kill the server.	522	&$cb
		523	}, @args;
411		524
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	525	wantarray ? @res : $res[-1]
413	and return;	526	}
414		527
415	# always fsync - this file is important	528	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		529
419	# touch it again to show we are up-to-date	530	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		531
422	close $fh	532	=item cf::db_put $family => $key => $value
423	or return;
424		533
425	aio_rename "$runtime~", $runtime	534	Stores the given C<$value> in the family. It can currently store binary
426	and return;	535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		536
428	warn "runtime file written.\n";	537	=item $db = cf::db_table "name"
429		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
		560
		561	our $DB;
		562
		563	sub db_init {
		564	cf::sync_job {
		565	$DB ||= db_table "db";
		566	};
		567	}
		568
		569	sub db_get($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
430	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
431	}	653	}
432		654
433	=item cf::datalog type => key => value, ...	655	=item cf::datalog type => key => value, ...
434		656
435	Log a datalog packet of the given type with the given key-value pairs.	657	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
455		677
456	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	680	Deliantra).
459		681
460	=over 4	682	=over 4
461		683
462	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
463		685
…		…
665	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
666	}	888	}
667		889
668	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
669	} else {	891	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	893	}
672		894
673	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
674	}	896	}
675		897
…		…
715	";	937	";
716	die if $@;	938	die if $@;
717	}	939	}
718		940
719	our $override;	941	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		943
722	sub override {	944	sub override {
723	$override = 1;	945	$override = 1;
724	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
725	}	947	}
726		948
727	sub do_invoke {	949	sub do_invoke {
728	my $event = shift;	950	my $event = shift;
729	my $callbacks = shift;	951	my $callbacks = shift;
730		952
731	@invoke_results = ();	953	@INVOKE_RESULTS = ();
732		954
733	local $override;	955	local $override;
734		956
735	for (@$callbacks) {	957	for (@$callbacks) {
736	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
753		975
754	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
755		977
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		981
760	=back	982	=back
761		983
762	=cut	984	=cut
763		985
764	#############################################################################	986	#############################################################################
765	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
766		1030
767	sub reattach {	1031	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1033	my ($obj) = @_;
770		1034
…		…
791	cf::attachable->attach (	1055	cf::attachable->attach (
792	prio => -1000000,	1056	prio => -1000000,
793	on_instantiate => sub {	1057	on_instantiate => sub {
794	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
795		1059
796	$data = from_json $data;	1060	$data = decode_json $data;
797		1061
798	for (@$data) {	1062	for (@$data) {
799	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
800		1064
801	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1081	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
819		1083
820	sync_job {	1084	sync_job {
821	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
824		1089
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1093	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1094	close $fh;
830		1095
831	if (@$objs) {	1096	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1101	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1102	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
839	}	1104	}
…		…
847	}	1112	}
848	} else {	1113	} else {
849	aio_unlink $filename;	1114	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
851	}	1116	}
852	}	1117	};
853	}	1118	}
854		1119
855	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
857		1122
…		…
869	or return;	1134	or return;
870		1135
871	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
873	or return;	1138	or return;
		1139
874	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
875	}	1142	}
876		1143
		1144	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1146	$decname, length $data, scalar @{$av || []};
		1147
879	return ($data, $av);	1148	($data, $av)
880	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
881		1156
882	#############################################################################	1157	#############################################################################
883	# command handling &c	1158	# command handling &c
884		1159
885	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1174	}
900		1175
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1177
903	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
904		1183
905	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
906	called.	1185	called.
907		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
908	=cut	1198	=cut
909		1199
910	sub register_extcmd {	1200	sub register_extcmd {
911	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
912		1202
913	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
914	}	1210	}
915		1211
916	cf::player->attach (	1212	cf::player->attach (
917	on_command => sub {	1213	on_command => sub {
918	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1223	cf::override;
928	},	1224	},
929	on_extcmd => sub {	1225	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
931		1227
932	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1229
934	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
940	} else {	1245	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1247	}
943		1248
944	cf::override;	1249	cf::override;
…		…
967	path => $path,	1272	path => $path,
968	base => $base,	1273	base => $base,
969	pkg => $pkg,	1274	pkg => $pkg,
970	);	1275	);
971		1276
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1279
975	$ext{source} =	1280	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1281	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1282	. "#line 1 \"$path\"\n{\n"
978	. $source	1283	. $source
…		…
984	my %done;	1289	my %done;
985	while (%todo) {	1290	while (%todo) {
986	my $progress;	1291	my $progress;
987		1292
988	while (my ($k, $v) = each %todo) {	1293	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1294	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1295	goto skip
991	unless exists $done{$_};	1296	unless exists $done{$_};
992	}	1297	}
993		1298
994	warn "... loading '$k' into '$v->{pkg}'\n";	1299	warn "... loading '$k' into '$v->{pkg}'\n";
995		1300
996	unless (eval $v->{source}) {	1301	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1302	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1303	: "$v->{base}: extension inactive.\n";
999		1304
1000	if (exists $v->{meta}{mandatory}) {	1305	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1306	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1307	warn "mandatory extension failed to load, exiting.\n";
1003	exit 1;	1308	exit 1;
1004	}	1309	}
1005		1310
1006	die $msg;	1311	warn $msg;
1007	}	1312	}
1008		1313
1009	$done{$k} = delete $todo{$k};	1314	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
1011	}	1317	}
1012		1318
1013	skip:	1319	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1321	unless $progress;
…		…
1017	};	1323	};
1018	}	1324	}
1019		1325
1020	#############################################################################	1326	#############################################################################
1021		1327
		1328	=back
		1329
1022	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
1023		1331
1024	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
1025		1333
1026	=cut	1334	=cut
…		…
1030	use Coro::AIO;	1338	use Coro::AIO;
1031		1339
1032	=head3 cf::player	1340	=head3 cf::player
1033		1341
1034	=over 4	1342	=over 4
		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
1035		1357
1036	=item cf::player::find $login	1358	=item cf::player::find $login
1037		1359
1038	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
1039		1361
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1400	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1401
1080	my $pl = load_pl path $login	1402	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
1083	}	1410	}
1084	}	1411	}
1085	}	1412	}
1086		1413
…		…
1096		1423
1097	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1099		1426
1100	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1101	Coro::cede;	1428	cf::cede_to_tick;
1102	}	1429	}
1103		1430
1104	sub new($) {	1431	sub new($) {
1105	my ($login) = @_;	1432	my ($login) = @_;
1106		1433
…		…
1110	$self->{deny_save} = 1;	1437	$self->{deny_save} = 1;
1111		1438
1112	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1113		1440
1114	$self	1441	$self
		1442	}
		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
1115	}	1452	}
1116		1453
1117	=item $pl->quit_character	1454	=item $pl->quit_character
1118		1455
1119	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
…		…
1174	or return [];	1511	or return [];
1175		1512
1176	my @logins;	1513	my @logins;
1177		1514
1178	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1182		1524
1183	utf8::decode $login;	1525	utf8::decode $login;
1184	push @logins, $login;	1526	push @logins, $login;
1185	}	1527	}
1186		1528
…		…
1213	}	1555	}
1214		1556
1215	\@paths	1557	\@paths
1216	}	1558	}
1217		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1218	=item $player->ext_reply ($msgid, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1219		1654
1220	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1221		1656
1222	=cut	1657	=cut
1223		1658
1224	sub ext_reply($$%) {	1659	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1226		1661
1227	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1663	}
1231		1664
1232	=item $player->ext_event ($type, %msg)	1665	=item $player->ext_msg ($type, @msg)
1233		1666
1234	Sends an ext event to the client.	1667	Sends an ext event to the client.
1235		1668
1236	=cut	1669	=cut
1237		1670
1238	sub ext_event($$%) {	1671	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1672	my ($self, $type, @msg) = @_;
1240		1673
1241	$self->ns->ext_event ($type, %msg);	1674	$self->ns->ext_msg ($type, @msg);
1242	}	1675	}
1243		1676
1244	=head3 cf::region	1677	=head3 cf::region
1245		1678
1246	=over 4	1679	=over 4
…		…
1249		1682
1250	package cf::region;	1683	package cf::region;
1251		1684
1252	=item cf::region::find_by_path $path	1685	=item cf::region::find_by_path $path
1253		1686
1254	Tries to decuce the probable region for a map knowing only its path.	1687	Tries to decuce the likely region for a map knowing only its path.
1255		1688
1256	=cut	1689	=cut
1257		1690
1258	sub find_by_path($) {	1691	sub find_by_path($) {
1259	my ($path) = @_;	1692	my ($path) = @_;
1260		1693
1261	my ($match, $specificity);	1694	my ($match, $specificity);
1262		1695
1263	for my $region (list) {	1696	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1697	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1698	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1699	if $region->specificity > $specificity;
1267	}	1700	}
1268	}	1701	}
1269		1702
…		…
1389	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1390	return $self;	1823	return $self;
1391	}	1824	}
1392	}	1825	}
1393		1826
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1828	()
1396	}	1829	}
1397		1830
1398	sub init {	1831	sub init {
1399	my ($self) = @_;	1832	my ($self) = @_;
…		…
1462		1895
1463	sub load_header_from($) {	1896	sub load_header_from($) {
1464	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1465		1898
1466	utf8::encode $path;	1899	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1901	or return;
		1902
		1903	$self->_load_header ($f)
		1904	or return;
		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
1472		1908
1473	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1474		1910
1475	1	1911	1
1476	}	1912	}
…		…
1530	sub find {	1966	sub find {
1531	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1532		1968
1533	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1534		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1536		1973
1537	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1539	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1540	or return;	1979	or return;
1541		1980
1542	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1543		1982
…		…
1545	or return;	1984	or return;
1546		1985
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1550	$map->reset;	1991	$map->reset;
1551	undef $guard;
1552	return find $path;	1992	return find $path;
1553	}	1993	}
1554		1994
1555	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1556	}	1996	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1566		2006
1567	my $path = $self->{path};	2007	my $path = $self->{path};
1568		2008
1569	{	2009	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1571		2011
		2012	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2014
1574	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1575		2016
1576	$self->alloc;	2017	$self->alloc;
1577		2018
1578	$self->pre_load;	2019	$self->pre_load;
1579	Coro::cede;	2020	cf::cede_to_tick;
1580		2021
		2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2024	$self->_load_objects ($f)
1582	or return;	2025	or return;
1583		2026
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1585	if delete $self->{load_original};	2028	if delete $self->{load_original};
1586		2029
1587	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2031	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2034	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1592	}	2038	}
1593	}	2039	}
1594		2040
1595	Coro::cede;	2041	$f->resolve_delayed_derefs;
		2042
		2043	cf::cede_to_tick;
1596	# now do the right thing for maps	2044	# now do the right thing for maps
1597	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2047	unless $self->difficulty;
1600	Coro::cede;	2048	cf::cede_to_tick;
1601		2049
1602	unless ($self->{deny_activate}) {	2050	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2051	$self->decay_objects;
1604	$self->fix_auto_apply;	2052	$self->fix_auto_apply;
1605	$self->update_buttons;	2053	$self->update_buttons;
1606	Coro::cede;	2054	cf::cede_to_tick;
1607	$self->set_darkness_map;	2055	$self->set_darkness_map;
1608	Coro::cede;	2056	cf::cede_to_tick;
1609	$self->activate;	2057	$self->activate;
1610	}	2058	}
		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
1611		2062
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2063	$self->in_memory (cf::MAP_IN_MEMORY);
1613	}	2064	}
1614		2065
1615	$self->post_load;	2066	$self->post_load;
…		…
1626		2077
1627	$self	2078	$self
1628	}	2079	}
1629		2080
1630	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2082	sub load_neighbours {
1632	my ($map) = @_;	2083	my ($map) = @_;
1633		2084
1634	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1635		2086
1636	for (0 .. 3) {	2087	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1638	or next;	2089	or next;
1639	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1640	or next;	2091	or next;
1641	$neigh->load;	2092	$neigh->load;
1642		2093
		2094	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2097	}
1646		2098
1647	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1649	or next;	2102	or next;
1650	$neigh->load;	2103	$neigh->load;
1651	}	2104	}
1652	}	2105	}
1653		2106
…		…
1658	}	2111	}
1659		2112
1660	sub do_load_sync {	2113	sub do_load_sync {
1661	my ($map) = @_;	2114	my ($map) = @_;
1662		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1663	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1664	}	2120	}
1665		2121
1666	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1668		2124
1669	sub find_async {	2125	sub find_async {
1670	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1671		2127
1672	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1673		2129
1674	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1676	}	2132	}
1677		2133
1678	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1679	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1680	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2141	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2142	$map->load if $v;
		2143	}
1685		2144
1686	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1687	}	2146	}
1688	}	2147	}
1689	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1690	};	2149	};
1691	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2153	}
1695		2154
1696	sub save {	2155	sub save {
1697	my ($self) = @_;	2156	my ($self) = @_;
1698		2157
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2159
1701	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1702		2161
1703	return unless $self->dirty;	2162	return unless $self->dirty;
1704		2163
…		…
1710	return if $self->{deny_save};	2169	return if $self->{deny_save};
1711		2170
1712	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1713		2172
1714	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1716	};	2176	};
1717		2177
1718	if ($uniq) {	2178	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1727	my ($self) = @_;	2187	my ($self) = @_;
1728		2188
1729	# save first because save cedes	2189	# save first because save cedes
1730	$self->save;	2190	$self->save;
1731		2191
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2193
1734	return if $self->players;	2194	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};	2196	return if $self->{deny_save};
1737		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2202	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2203	}
1741		2204
1742	sub reset_at {	2205	sub reset_at {
1743	my ($self) = @_;	2206	my ($self) = @_;
1744		2207
…		…
1776	if $uniq;	2239	if $uniq;
1777	}	2240	}
1778		2241
1779	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1780		2243
		2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2246	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2247
1785	$self->unlink_save;	2248	$self->unlink_save;
1786	$self->destroy;	2249	$self->destroy;
1787	}	2250	}
1788		2251
1789	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1790		2253
1791	sub nuke {	2254	sub nuke {
1792	my ($self) = @_;	2255	my ($self) = @_;
1793		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1794	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1795		2261
1796	$self->unlink_save;	2262	$self->unlink_save;
1797		2263
1798	bless $self, "cf::map";	2264	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2269
1804	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1805		2272
1806	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
1807	}	2274	}
1808		2275
1809	=item $maps = cf::map::tmp_maps	2276	=item $maps = cf::map::tmp_maps
…		…
1885		2352
1886	sub inv_recursive {	2353	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
1888	}	2355	}
1889		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
		2383	}
		2384
1890	package cf;	2385	package cf;
1891		2386
1892	=back	2387	=back
1893		2388
1894	=head3 cf::object::player	2389	=head3 cf::object::player
…		…
1911		2406
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2408
1914	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1916	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1919	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1920	}	2434	}
1921		2435
1922	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1923		2437
1924	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
2006		2520
2007	$map->load;	2521	$map->load;
2008	$map->load_diag;	2522	$map->load_neighbours;
2009		2523
2010	return unless $self->contr->active;	2524	return unless $self->contr->active;
2011	$self->activate_recursive;	2525	$self->activate_recursive;
2012		2526
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
2015	}	2529	}
2016		2530
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2532
2019	Moves the player to the given map-path and coordinates by first freezing	2533	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2534	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	2535	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2536	the new (success) or old (failed) map position. In either case, $done will
		2537	be called at the end of this process.
2023		2538
2024	=cut	2539	=cut
2025		2540
2026	our $GOTOGEN;	2541	our $GOTOGEN;
2027		2542
2028	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2545
2031	# do generation counting so two concurrent goto's will be executed in-order	2546	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2548
2034	$self->enter_link;	2549	$self->enter_link;
2035		2550
2036	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
2037	my $map = eval {	2573	my $map = eval {
2038	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
2039		2575
2040	if ($map) {	2576	if ($map) {
2041	$map = $map->customise_for ($self);	2577	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2578	$map = $check->($map) if $check && $map;
2043	} else {	2579	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2581	}
2046		2582
2047	$map	2583	$map
2048	};	2584	};
2049		2585
…		…
2054		2590
2055	if ($gen == $self->{_goto_generation}) {	2591	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2592	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
2058	}	2594	}
		2595
		2596	$done->() if $done;
2059	})->prio (1);	2597	})->prio (1);
2060	}	2598	}
2061		2599
2062	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
2063		2601
…		…
2100	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
2101	}	2639	}
2102		2640
2103	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
2104		2642
2105	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
2106	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
2108		2646
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
…		…
2132	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
2134		2672
2135	$self->enter_link;	2673	$self->enter_link;
2136		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
2137	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
2138	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
2139	unless (eval {	2683	unless (eval {
2140	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
2141		2685
2142	1;	2686	1;
…		…
2168		2712
2169	utf8::encode $text;	2713	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2715	}
2172		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
2173	=item $client->ext_event ($type, %msg)	2841	=item $client->ext_msg ($type, @msg)
2174		2842
2175	Sends an exti event to the client.	2843	Sends an ext event to the client.
2176		2844
2177	=cut	2845	=cut
2178		2846
2179	sub cf::client::ext_event($$%) {	2847	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2848	my ($self, $type, @msg) = @_;
2181		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2853	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
2184	}	2874	}
2185		2875
2186	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
2187		2877
2188	Queues a query to the client, calling the given callback with	2878	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>,	2879	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>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2881
2192	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2883	become reliable at some point in the future.
2194		2884
2195	=cut	2885	=cut
2196		2886
2197	sub cf::client::query {	2887	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2896	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2898
2209	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
2211	}	2903	}
2212		2904
2213	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
2214	on_reply => sub {	2911	on_reply => sub {
2215	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
2216		2913
2217	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
2218	# get handled first	2915	# get handled first
…		…
2230	} else {	2927	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2929	}
2233	}	2930	}
2234	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
2235	);	2958	);
2236		2959
2237	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
2238		2961
2239	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2282		3005
2283	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2284		3007
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2286		3013
2287	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2288		3015
2289	=pod	3016	=pod
2290		3017
2291	The following functions and methods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2292		3019
2293	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2294	cf::object::player player	3024	cf::object::player
2295	cf::player peaceful	3025	player
2296	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2297		3032
2298	=cut	3033	=cut
2299		3034
2300	for (	3035	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2302	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2305	) {	3042	) {
2306	no strict 'refs';	3043	no strict 'refs';
…		…
2377	=back	3114	=back
2378		3115
2379	=cut	3116	=cut
2380		3117
2381	#############################################################################	3118	#############################################################################
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 $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3119	# the server's init and main functions
2555		3120
2556	sub load_facedata($) {	3121	sub load_facedata($) {
2557	my ($path) = @_;	3122	my ($path) = @_;
		3123
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3129
2559	warn "loading facedata from $path\n";	3130	warn "loading facedata from $path\n";
2560		3131
2561	my $facedata;	3132	my $facedata;
2562	0 < aio_load $path, $facedata	3133	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3136	$facedata = Coro::Storable::thaw $facedata;
2566		3137
2567	$facedata->{version} == 2	3138	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3140
		3141	# patch in the exptable
		3142	$facedata->{resource}{"res/exp_table"} = {
		3143	type => FT_RSRC,
		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3145	};
		3146	cf::cede_to_tick;
		3147
2570	{	3148	{
2571	my $faces = $facedata->{faceinfo};	3149	my $faces = $facedata->{faceinfo};
2572		3150
2573	while (my ($face, $info) = each %$faces) {	3151	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3153	cf::face::set_visibility $idx, $info->{visibility};
		3154	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3157
		3158	cf::cede_to_tick;
2579	}	3159	}
2580		3160
2581	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3162	next unless $info->{smooth};
2583	my $idx = cf::face::find $face	3163	my $idx = cf::face::find $face
2584	or next;	3164	or next;
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3168	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3170	}
2590	Coro::cede;	3171
		3172	cf::cede_to_tick;
2591	}	3173	}
2592	}	3174	}
2593		3175
2594	{	3176	{
2595	my $anims = $facedata->{animinfo};	3177	my $anims = $facedata->{animinfo};
2596		3178
2597	while (my ($anim, $info) = each %$anims) {	3179	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3181	cf::cede_to_tick;
2600	}	3182	}
2601		3183
2602	cf::anim::invalidate_all; # d'oh	3184	cf::anim::invalidate_all; # d'oh
2603	}	3185	}
2604		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
2605	1	3236	1
2606	}	3237	}
2607		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
2608	sub reload_regions {	3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
2609	load_resource_file "$MAPDIR/regions"	3252	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
2611	}	3259	}
2612		3260
2613	sub reload_facedata {	3261	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3262	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3263	or die "unable to load facedata\n";
2616	}	3264	}
2617		3265
2618	sub reload_archetypes {	3266	sub reload_archetypes {
		3267	load_resource_file "$DATADIR/archetypes"
		3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
2619	load_resource_file "$DATADIR/archetypes"	3272	load_resource_file "$DATADIR/archetypes"
2620	or die "unable to load archetypes\n";	3273	or die "unable to load archetypes\n";
2621	}	3274	}
2622		3275
2623	sub reload_treasures {	3276	sub reload_treasures {
…		…
2639		3292
2640	sub init {	3293	sub init {
2641	reload_resources;	3294	reload_resources;
2642	}	3295	}
2643		3296
2644	sub cfg_load {	3297	sub reload_config {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3299	or return;
2647		3300
2648	local $/;	3301	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
…		…
2665	sub main {	3318	sub main {
2666	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3322	(async {
2670	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2672	};	3326	};
2673		3327
2674	cfg_load;	3328	reload_config;
2675	db_init;	3329	db_init;
2676	load_extensions;	3330	load_extensions;
2677		3331
2678	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2679	Event::loop;	3334	EV::loop;
2680	}	3335	}
2681		3336
2682	#############################################################################	3337	#############################################################################
2683	# initialisation and cleanup	3338	# initialisation and cleanup
2684		3339
2685	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2686	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3344	$SIGWATCHER{$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";	3345	cf::cleanup "SIG$signal";
2695	},
2696	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2697	}	3385	1
2698	}	3386	}
2699		3387
2700	sub emergency_save() {	3388	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2702		3390
…		…
2708	# and maps saved/destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3402	$pl->save;
2714	}	3403	}
2715	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2716		3405
2717	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2756	warn "syncing database to disk";	3445	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3447
2759	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2760		3449
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3450	warn "flushing outstanding aio requests";
2767	for (;;) {	3451	for (;;) {
2768	BDB::flush;	3452	BDB::flush;
2769	IO::AIO::flush;	3453	IO::AIO::flush;
2770	Coro::cede;	3454	Coro::cede_notself;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3455	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";	3456	warn "iterate...";
2773	}	3457	}
2774		3458
2775	++$RELOAD;	3459	++$RELOAD;
…		…
2779	%EXT_CORO = ();	3463	%EXT_CORO = ();
2780		3464
2781	warn "removing commands";	3465	warn "removing commands";
2782	%COMMAND = ();	3466	%COMMAND = ();
2783		3467
2784	warn "removing ext commands";	3468	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2786		3471
2787	warn "unloading/nuking all extensions";	3472	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2790		3475
…		…
2833	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2834	require cf;	3519	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3521
2837	warn "loading config and database again";	3522	warn "loading config and database again";
2838	cf::cfg_load;	3523	cf::reload_config;
2839		3524
2840	warn "loading extensions";	3525	warn "loading extensions";
2841	cf::load_extensions;	3526	cf::load_extensions;
2842		3527
2843	warn "reattaching attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
…		…
2863		3548
2864	sub reload_perl() {	3549	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3550	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3551	# coro crashes during coro_state_free->destroy here.
2867		3552
2868	$RELOAD_WATCHER ||= Event->timer (	3553	$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;	3554	undef $RELOAD_WATCHER;
2875	},	3555	do_reload_perl;
2876	);	3556	};
2877	}	3557	}
2878		3558
2879	register_command "reload" => sub {	3559	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2881		3561
2882	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3563	$who->message ("reloading server.");
		3564	async {
		3565	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3566	reload_perl;
		3567	};
2885	}	3568	}
2886	};	3569	};
2887		3570
2888	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2889		3572
…		…
2908	my $signal = new Coro::Signal;	3591	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3592	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3593	$signal->wait;
2911	}	3594	}
2912		3595
2913	my $min = 1e6;#d#	3596	$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 != $Coro::main) {	3597	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3599	unless ++$bug_warning > 10;
2925	return;	3600	return;
2926	}	3601	}
2927		3602
2928	$NOW = $tick_start = Event::time;	3603	$NOW = $tick_start = EV::now;
2929		3604
2930	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
2931		3606
2932	0 && sync_job {#d#	3607	$RUNTIME += $TICK;
2933	for(1..10) {	3608	$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		3609
2938	$map->width (50);	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2940	$map->alloc;	3612	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	3613	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	3614	write_runtime
2943		3615	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	};	3616	};
		3617	}
2954		3618
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) {	3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3620	$sig->send;
2971	}	3621	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3622	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3623	$sig->send;
2974	}	3624	}
2975		3625
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;	3626	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3628
2987	_post_tick;	3629	_post_tick;
2988		3630	};
2989		3631	$TICK_WATCHER->priority (EV::MAXPRI);
2990	},
2991	);
2992		3632
2993	{	3633	{
		3634	BDB::min_parallel 8;
2994	BDB::max_poll_time $TICK * 0.1;	3635	BDB::max_poll_time $TICK * 0.1;
2995	$BDB_POLL_WATCHER = Event->io (	3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
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;
3004		3637
3005	BDB::set_sync_prepare {	3638	BDB::set_sync_prepare {
3006	my $status;	3639	my $status;
3007	my $current = $Coro::current;	3640	my $current = $Coro::current;
3008	(	3641	(
…		…
3017	)	3650	)
3018	};	3651	};
3019		3652
3020	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3659
3023	cf::sync_job {	3660	cf::sync_job {
3024	eval {	3661	eval {
3025	BDB::db_env_open	3662	BDB::db_env_open
3026	$DB_ENV,	3663	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3667	0666;
3031		3668
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3669	cf::cleanup "db_env_open($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	};	3670	};
3037		3671
3038	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3673	};
3040	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
3041	}	3685	}
3042		3686
3043	{	3687	{
3044	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
3045		3689
3046	undef $Coro::AIO::WATCHER;	3690	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
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	}	3693	}
3057		3694
3058	my $_log_backtrace;	3695	my $_log_backtrace;
3059		3696
3060	sub _log_backtrace {	3697	sub _log_backtrace {
…		…
3064		3701
3065	# limit the # of concurrent backtraces	3702	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3703	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3704	++$_log_backtrace;
3068	async {	3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
3069	my @bt = fork_call {	3708	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3709	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3712	or die "addr2line: $!";

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