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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.395 by root, Sat Nov 10 22:41:59 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;
10	use Event;	9	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::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
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
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
155		162
156	The raw value load value from the last tick.	163	The raw value load value from the last tick.
157		164
158	=item %cf::CFG	165	=item %cf::CFG
159		166
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	168	from wherever your confdir points to.
162		169
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	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	173	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.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
206	}	218	}
207		219
208	$Event::DIED = sub {	220	$Event::DIED = sub {
209	warn "error in event callback: @_";	221	warn "error in event callback: @_";
210	};	222	};
		223
		224	#############################################################################
211		225
212	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
213		227
214	=over 4	228	=over 4
215		229
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	249	$d
236	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
237	}	251	}
238		252
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
242		254
243	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
244		256
245	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
246		258
247	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
248		267
249	=item cf::lock_wait $string	268	=item cf::lock_wait $string
250		269
251	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
252		271
…		…
255	Wait until the given lock is available and then acquires it and returns	274	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,	275	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	276	for example when the coroutine gets canceled), the lock is automatically
258	returned.	277	returned.
259		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
260	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
262		284
263	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
264		286
265	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
266		288
267	=cut	289	=cut
268		290
269	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
270		293
271	sub lock_wait($) {	294	sub lock_wait($) {
272	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
273		301
274	# wait for lock, if any	302	# wait for lock, if any
275	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	305	Coro::schedule;
…		…
283		311
284	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
285	lock_wait $key;	313	lock_wait $key;
286		314
287	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
288		317
289	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
292	}	322	}
293	}	323	}
294		324
…		…
306	};	336	};
307	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
308	$guard	338	$guard
309	}	339	}
310		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
311	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
312		400
313	Currently the same as Coro::async_pool, meaning you cannot use	401	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	402	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.	403	thing you are allowed to do is call C<prio> on it.
…		…
318		406
319	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
320		408
321	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
322		410
323	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	412	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.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
326		415
327	If it must be done, put the blocking parts into C<sync_job>. This will run	416	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	417	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	418	server will be frozen during this time, so the block should either finish
330	fast or be very important.	419	fast or be very important.
…		…
338	my $time = Event::time;	427	my $time = Event::time;
339		428
340	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
342		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
343	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	435	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
346		437
347	my $busy = 1;	438	my $busy = 1;
348	my @res;	439	my @res;
349		440
350	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	443	@res = eval { $job->() };
352	warn $@ if $@;	444	warn $@ if $@;
353	undef $busy;	445	undef $busy;
354	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
355		447
356	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
357	Coro::cede or Event::one_event;	452	Event::one_event;
		453	}
358	}	454	}
359		455
360	$time = Event::time - $time;	456	$time = Event::time - $time;
361		457
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
…		…
390	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
391		487
392	$coro	488	$coro
393	}	489	}
394		490
395	sub write_runtime {	491	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		492
398	# first touch the runtime file to show we are still running:	493	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
400		497
401	IO::AIO::aio_utime $runtime, undef, undef;	498	=cut
402		499
403	my $guard = cf::lock_acquire "write_runtime";	500	sub fork_call(&@) {
		501	my ($cb, @args) = @_;
404		502
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	503	# we seemingly have to make a local copy of the whole thing,
406	or return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
407		506
408	my $value = $cf::RUNTIME + 90 + 10;	507	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	508	reset_signals;
410	# 60 allows for the watchdog to kill the server.	509	&$cb
		510	}, @args;
411		511
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	512	wantarray ? @res : $res[-1]
413	and return;	513	}
414		514
415	# always fsync - this file is important	515	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		516
419	# touch it again to show we are up-to-date	517	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		518
422	close $fh	519	=item cf::db_put $family => $key => $value
423	or return;
424		520
425	aio_rename "$runtime~", $runtime	521	Stores the given C<$value> in the family. It can currently store binary
426	and return;	522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		523
428	warn "runtime file written.\n";	524	=item $db = cf::db_table "name"
429		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
430	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
431	}	640	}
432		641
433	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
434		643
435	Log a datalog packet of the given type with the given key-value pairs.	644	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")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
455		664
456	In the following description, CLASS can be any of C<global>, C<object>	665	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	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	667	Deliantra).
459		668
460	=over 4	669	=over 4
461		670
462	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
463		672
…		…
665	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
666	}	875	}
667		876
668	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
669	} else {	878	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	880	}
672		881
673	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
674	}	883	}
675		884
…		…
715	";	924	";
716	die if $@;	925	die if $@;
717	}	926	}
718		927
719	our $override;	928	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		930
722	sub override {	931	sub override {
723	$override = 1;	932	$override = 1;
724	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
725	}	934	}
726		935
727	sub do_invoke {	936	sub do_invoke {
728	my $event = shift;	937	my $event = shift;
729	my $callbacks = shift;	938	my $callbacks = shift;
730		939
731	@invoke_results = ();	940	@INVOKE_RESULTS = ();
732		941
733	local $override;	942	local $override;
734		943
735	for (@$callbacks) {	944	for (@$callbacks) {
736	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
753		962
754	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
755		964
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	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	966	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		968
760	=back	969	=back
761		970
762	=cut	971	=cut
763		972
764	#############################################################################	973	#############################################################################
765	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
766		1017
767	sub reattach {	1018	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1020	my ($obj) = @_;
770		1021
…		…
817	sub object_freezer_save {	1068	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
819		1070
820	sync_job {	1071	sync_job {
821	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
824		1076
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1081	close $fh;
830		1082
831	if (@$objs) {	1083	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1089	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
839	}	1091	}
…		…
847	}	1099	}
848	} else {	1100	} else {
849	aio_unlink $filename;	1101	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
851	}	1103	}
852	}	1104	};
853	}	1105	}
854		1106
855	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
857		1109
…		…
869	or return;	1121	or return;
870		1122
871	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
873	or return;	1125	or return;
		1126
874	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
875	}	1129	}
876		1130
		1131	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1133	$decname, length $data, scalar @{$av || []};
		1134
879	return ($data, $av);	1135	($data, $av)
880	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
881		1143
882	#############################################################################	1144	#############################################################################
883	# command handling &c	1145	# command handling &c
884		1146
885	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1161	}
900		1162
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1164
903	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
904		1170
905	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
906	called.	1172	called.
907		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
908	=cut	1185	=cut
909		1186
910	sub register_extcmd {	1187	sub register_extcmd {
911	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
912		1189
913	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
914	}	1197	}
915		1198
916	cf::player->attach (	1199	cf::player->attach (
917	on_command => sub {	1200	on_command => sub {
918	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1210	cf::override;
928	},	1211	},
929	on_extcmd => sub {	1212	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
931		1214
932	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1216
934	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
940	} else {	1232	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1234	}
943		1235
944	cf::override;	1236	cf::override;
945	},	1237	},
946	);	1238	);
947		1239
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
983	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1245	next unless -r $path;
985	eval {	1246
986	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
987	1	1304	}
988	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
989	}	1310	};
990	}	1311	}
991		1312
992	#############################################################################	1313	#############################################################################
993		1314
		1315	=back
		1316
994	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
995		1318
996	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
997		1320
998	=cut	1321	=cut
…		…
1002	use Coro::AIO;	1325	use Coro::AIO;
1003		1326
1004	=head3 cf::player	1327	=head3 cf::player
1005		1328
1006	=over 4	1329	=over 4
		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
1007		1344
1008	=item cf::player::find $login	1345	=item cf::player::find $login
1009		1346
1010	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
1011		1348
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1388
1052	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1055	}	1397	}
1056	}	1398	}
1057	}	1399	}
1058		1400
…		…
1068		1410
1069	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1071		1413
1072	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1073	Coro::cede;	1415	cf::cede_to_tick;
1074	}	1416	}
1075		1417
1076	sub new($) {	1418	sub new($) {
1077	my ($login) = @_;	1419	my ($login) = @_;
1078		1420
…		…
1082	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1083		1425
1084	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1085		1427
1086	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1087	}	1439	}
1088		1440
1089	=item $pl->quit_character	1441	=item $pl->quit_character
1090		1442
1091	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1498	or return [];
1147		1499
1148	my @logins;	1500	my @logins;
1149		1501
1150	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1154		1511
1155	utf8::decode $login;	1512	utf8::decode $login;
1156	push @logins, $login;	1513	push @logins, $login;
1157	}	1514	}
1158		1515
…		…
1185	}	1542	}
1186		1543
1187	\@paths	1544	\@paths
1188	}	1545	}
1189		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	# match a pod interior sequence sans C<< >>
		1558	(?:
		1559	\ (.*?)\ (?{ $group = $^N })
		1560	| < (??{$interior}) >
		1561	)
		1562	}x;
		1563
		1564	sub expand_cfpod {
		1565	my ($self, $pod) = @_;
		1566
		1567	my $xml;
		1568
		1569	while () {
		1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1571	$group = $1;
		1572
		1573	$group =~ s/&/&amp;/g;
		1574	$group =~ s/</&lt;/g;
		1575
		1576	$xml .= $group;
		1577	} elsif ($pod =~ m%\G
		1578	([BCGHITU])
		1579	<
		1580	(?:
		1581	([^<>]*) (?{ $group = $^N })
		1582	| < $interior >
		1583	)
		1584	>
		1585	%gcsx
		1586	) {
		1587	my ($code, $data) = ($1, $group);
		1588
		1589	if ($code eq "B") {
		1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1591	} elsif ($code eq "I") {
		1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1593	} elsif ($code eq "U") {
		1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1595	} elsif ($code eq "C") {
		1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1597	} elsif ($code eq "T") {
		1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1599	} elsif ($code eq "G") {
		1600	my ($male, $female) = split /\|/, $data;
		1601	$data = $self->gender ? $female : $male;
		1602	$xml .= expand_cfpod ($self, $data);
		1603	} elsif ($code eq "H") {
		1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1606	"")
		1607	[$self->{hintmode}];
		1608	} else {
		1609	$xml .= "error processing '$code($data)' directive";
		1610	}
		1611	} else {
		1612	if ($pod =~ /\G(.+)/) {
		1613	warn "parse error while expanding $pod (at $1)";
		1614	}
		1615	last;
		1616	}
		1617	}
		1618
		1619	for ($xml) {
		1620	# create single paragraphs (very hackish)
		1621	s/(?<=\S)\n(?=\w)/ /g;
		1622
		1623	# compress some whitespace
		1624	s/\s+\n/\n/g; # ws line-ends
		1625	s/\n\n+/\n/g; # double lines
		1626	s/^\n+//; # beginning lines
		1627	s/\n+$//; # ending lines
		1628	}
		1629
		1630	$xml
		1631	}
		1632
		1633	no re 'eval';
		1634
		1635	sub hintmode {
		1636	$_[0]{hintmode} = $_[1] if @_ > 1;
		1637	$_[0]{hintmode}
		1638	}
		1639
1190	=item $player->ext_reply ($msgid, %msg)	1640	=item $player->ext_reply ($msgid, @msg)
1191		1641
1192	Sends an ext reply to the player.	1642	Sends an ext reply to the player.
1193		1643
1194	=cut	1644	=cut
1195		1645
1196	sub ext_reply($$%) {	1646	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1647	my ($self, $id, @msg) = @_;
1198		1648
1199	$msg{msgid} = $id;	1649	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1650	}
1203		1651
1204	=item $player->ext_event ($type, %msg)	1652	=item $player->ext_msg ($type, @msg)
1205		1653
1206	Sends an ext event to the client.	1654	Sends an ext event to the client.
1207		1655
1208	=cut	1656	=cut
1209		1657
1210	sub ext_event($$%) {	1658	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1659	my ($self, $type, @msg) = @_;
1212		1660
1213	$self->ns->ext_event ($type, %msg);	1661	$self->ns->ext_msg ($type, @msg);
1214	}	1662	}
1215		1663
1216	=head3 cf::region	1664	=head3 cf::region
1217		1665
1218	=over 4	1666	=over 4
…		…
1221		1669
1222	package cf::region;	1670	package cf::region;
1223		1671
1224	=item cf::region::find_by_path $path	1672	=item cf::region::find_by_path $path
1225		1673
1226	Tries to decuce the probable region for a map knowing only its path.	1674	Tries to decuce the likely region for a map knowing only its path.
1227		1675
1228	=cut	1676	=cut
1229		1677
1230	sub find_by_path($) {	1678	sub find_by_path($) {
1231	my ($path) = @_;	1679	my ($path) = @_;
1232		1680
1233	my ($match, $specificity);	1681	my ($match, $specificity);
1234		1682
1235	for my $region (list) {	1683	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1684	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1685	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1686	if $region->specificity > $specificity;
1239	}	1687	}
1240	}	1688	}
1241		1689
…		…
1361	$self->init; # pass $1 etc.	1809	$self->init; # pass $1 etc.
1362	return $self;	1810	return $self;
1363	}	1811	}
1364	}	1812	}
1365		1813
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1814	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1815	()
1368	}	1816	}
1369		1817
1370	sub init {	1818	sub init {
1371	my ($self) = @_;	1819	my ($self) = @_;
…		…
1434		1882
1435	sub load_header_from($) {	1883	sub load_header_from($) {
1436	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1437		1885
1438	utf8::encode $path;	1886	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1444		1895
1445	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1446		1897
1447	1	1898	1
1448	}	1899	}
…		…
1502	sub find {	1953	sub find {
1503	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1504		1955
1505	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1506		1957
		1958	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1959	cf::lock_wait "map_find:$path";
1508		1960
1509	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	1962	my $guard1 = cf::lock_acquire "map_find:$path";
		1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1964
1511	my $map = new_from_path cf::map $path	1965	my $map = new_from_path cf::map $path
1512	or return;	1966	or return;
1513		1967
1514	$map->{last_save} = $cf::RUNTIME;	1968	$map->{last_save} = $cf::RUNTIME;
1515		1969
…		…
1517	or return;	1971	or return;
1518		1972
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1974	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1975	#$cf::WAIT_FOR_TICK->wait;
		1976	undef $guard1;
		1977	undef $guard2;
1522	$map->reset;	1978	$map->reset;
1523	undef $guard;
1524	return find $path;	1979	return find $path;
1525	}	1980	}
1526		1981
1527	$cf::MAP{$path} = $map	1982	$cf::MAP{$path} = $map
1528	}	1983	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1992	local $self->{deny_reset} = 1; # loading can take a long time
1538		1993
1539	my $path = $self->{path};	1994	my $path = $self->{path};
1540		1995
1541	{	1996	{
1542	my $guard = cf::lock_acquire "map_load:$path";	1997	my $guard = cf::lock_acquire "map_data:$path";
1543		1998
		1999	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2000	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2001
1546	$self->in_memory (cf::MAP_LOADING);	2002	$self->in_memory (cf::MAP_LOADING);
1547		2003
1548	$self->alloc;	2004	$self->alloc;
1549		2005
1550	$self->pre_load;	2006	$self->pre_load;
1551	Coro::cede;	2007	cf::cede_to_tick;
1552		2008
		2009	my $f = new_from_file cf::object::thawer $self->{load_path};
		2010	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2011	$self->_load_objects ($f)
1554	or return;	2012	or return;
1555		2013
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2015	if delete $self->{load_original};
1558		2016
1559	if (my $uniq = $self->uniq_path) {	2017	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2018	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2019	unless (aio_stat $uniq) {
		2020	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2021	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2022	$self->_load_objects ($f);
		2023	$f->resolve_delayed_derefs;
		2024	}
1564	}	2025	}
1565	}	2026	}
1566		2027
1567	Coro::cede;	2028	$f->resolve_delayed_derefs;
		2029
		2030	cf::cede_to_tick;
1568	# now do the right thing for maps	2031	# now do the right thing for maps
1569	$self->link_multipart_objects;	2032	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2033	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2034	unless $self->difficulty;
1572	Coro::cede;	2035	cf::cede_to_tick;
1573		2036
1574	unless ($self->{deny_activate}) {	2037	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2038	$self->decay_objects;
1576	$self->fix_auto_apply;	2039	$self->fix_auto_apply;
1577	$self->update_buttons;	2040	$self->update_buttons;
1578	Coro::cede;	2041	cf::cede_to_tick;
1579	$self->set_darkness_map;	2042	$self->set_darkness_map;
1580	Coro::cede;	2043	cf::cede_to_tick;
1581	$self->activate;	2044	$self->activate;
1582	}	2045	}
		2046
		2047	$self->{last_save} = $cf::RUNTIME;
		2048	$self->last_access ($cf::RUNTIME);
1583		2049
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2050	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	2051	}
1586		2052
1587	$self->post_load;	2053	$self->post_load;
…		…
1598		2064
1599	$self	2065	$self
1600	}	2066	}
1601		2067
1602	# find and load all maps in the 3x3 area around a map	2068	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2069	sub load_neighbours {
1604	my ($map) = @_;	2070	my ($map) = @_;
1605		2071
1606	my @diag; # diagonal neighbours	2072	my @neigh; # diagonal neighbours
1607		2073
1608	for (0 .. 3) {	2074	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2075	my $neigh = $map->tile_path ($_)
1610	or next;	2076	or next;
1611	$neigh = find $neigh, $map	2077	$neigh = find $neigh, $map
1612	or next;	2078	or next;
1613	$neigh->load;	2079	$neigh->load;
1614		2080
		2081	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2084	}
1618		2085
1619	for (@diag) {	2086	for (grep defined $_->[0], @neigh) {
		2087	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2088	my $neigh = find $path, $origin
1621	or next;	2089	or next;
1622	$neigh->load;	2090	$neigh->load;
1623	}	2091	}
1624	}	2092	}
1625		2093
…		…
1630	}	2098	}
1631		2099
1632	sub do_load_sync {	2100	sub do_load_sync {
1633	my ($map) = @_;	2101	my ($map) = @_;
1634		2102
		2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2104	if $Coro::current == $Coro::main;
		2105
1635	cf::sync_job { $map->load };	2106	cf::sync_job { $map->load };
1636	}	2107	}
1637		2108
1638	our %MAP_PREFETCH;	2109	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2110	our $MAP_PREFETCHER = undef;
1640		2111
1641	sub find_async {	2112	sub find_async {
1642	my ($path, $origin) = @_;	2113	my ($path, $origin, $load) = @_;
1643		2114
1644	$path = normalise $path, $origin && $origin->{path};	2115	$path = normalise $path, $origin && $origin->{path};
1645		2116
1646	if (my $map = $cf::MAP{$path}) {	2117	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2119	}
1649		2120
1650	undef $MAP_PREFETCH{$path};	2121	$MAP_PREFETCH{$path} |= $load;
		2122
1651	$MAP_PREFETCHER ||= cf::async {	2123	$MAP_PREFETCHER ||= cf::async {
		2124	$Coro::current->{desc} = "map prefetcher";
		2125
1652	while (%MAP_PREFETCH) {	2126	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2127	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2128	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2129	$map->load if $v;
		2130	}
1657		2131
1658	delete $MAP_PREFETCH{$path};	2132	delete $MAP_PREFETCH{$k};
1659	}	2133	}
1660	}	2134	}
1661	undef $MAP_PREFETCHER;	2135	undef $MAP_PREFETCHER;
1662	};	2136	};
1663	$MAP_PREFETCHER->prio (6);	2137	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2140	}
1667		2141
1668	sub save {	2142	sub save {
1669	my ($self) = @_;	2143	my ($self) = @_;
1670		2144
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2146
1673	$self->{last_save} = $cf::RUNTIME;	2147	$self->{last_save} = $cf::RUNTIME;
1674		2148
1675	return unless $self->dirty;	2149	return unless $self->dirty;
1676		2150
…		…
1682	return if $self->{deny_save};	2156	return if $self->{deny_save};
1683		2157
1684	local $self->{last_access} = $self->last_access;#d#	2158	local $self->{last_access} = $self->last_access;#d#
1685		2159
1686	cf::async {	2160	cf::async {
		2161	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2162	$_->contr->save for $self->players;
1688	};	2163	};
1689		2164
1690	if ($uniq) {	2165	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1699	my ($self) = @_;	2174	my ($self) = @_;
1700		2175
1701	# save first because save cedes	2176	# save first because save cedes
1702	$self->save;	2177	$self->save;
1703		2178
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2180
1706	return if $self->players;	2181	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2183	return if $self->{deny_save};
1709		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2189	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2190	}
1713		2191
1714	sub reset_at {	2192	sub reset_at {
1715	my ($self) = @_;	2193	my ($self) = @_;
1716		2194
…		…
1748	if $uniq;	2226	if $uniq;
1749	}	2227	}
1750		2228
1751	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1752		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2233	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2234
1757	$self->unlink_save;	2235	$self->unlink_save;
1758	$self->destroy;	2236	$self->destroy;
1759	}	2237	}
1760		2238
1761	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1762		2240
1763	sub nuke {	2241	sub nuke {
1764	my ($self) = @_;	2242	my ($self) = @_;
1765		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1766	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1767		2248
1768	$self->unlink_save;	2249	$self->unlink_save;
1769		2250
1770	bless $self, "cf::map";	2251	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2256
1776	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1777		2259
1778	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
1779	}	2261	}
1780		2262
1781	=item $maps = cf::map::tmp_maps	2263	=item $maps = cf::map::tmp_maps
…		…
1857		2339
1858	sub inv_recursive {	2340	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
1860	}	2342	}
1861		2343
		2344	=item $ref = $ob->ref
		2345
		2346	creates and returns a persistent reference to an objetc that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
1862	package cf;	2372	package cf;
1863		2373
1864	=back	2374	=back
1865		2375
1866	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
1883		2393
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2394	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2395
1886	if ($self->{record_replies}) {	2396	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2397	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2398
1888	} else {	2399	} else {
		2400	my $pl = $self->contr;
		2401
		2402	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2403	my $dialog = $pl->{npc_dialog};
		2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2405
		2406	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2407	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2408	$self->message ($msg, $flags);
		2409	}
1891	}	2410	}
		2411	}
		2412
		2413	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2414
		2415	=cut
		2416
		2417	sub cf::object::send_msg {
		2418	my $pl = shift->contr
		2419	or return;
		2420	$pl->send_msg (@_);
1892	}	2421	}
1893		2422
1894	=item $player_object->may ("access")	2423	=item $player_object->may ("access")
1895		2424
1896	Returns wether the given player is authorized to access resource "access"	2425	Returns wether the given player is authorized to access resource "access"
…		…
1975	# use -1 or undef as default coordinates, not 0, 0	2504	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2505	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2506	if $x <=0 && $y <= 0;
1978		2507
1979	$map->load;	2508	$map->load;
1980	$map->load_diag;	2509	$map->load_neighbours;
1981		2510
1982	return unless $self->contr->active;	2511	return unless $self->contr->active;
1983	$self->activate_recursive;	2512	$self->activate_recursive;
1984		2513
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2515	$self->enter_map ($map, $x, $y);
1987	}	2516	}
1988		2517
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2519
1991	Moves the player to the given map-path and coordinates by first freezing	2520	Moves the player to the given map-path and coordinates by first freezing
1992	her, loading and preparing them map, calling the provided $check callback	2521	her, loading and preparing them map, calling the provided $check callback
1993	that has to return the map if sucecssful, and then unfreezes the player on	2522	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2523	the new (success) or old (failed) map position. In either case, $done will
		2524	be called at the end of this process.
1995		2525
1996	=cut	2526	=cut
1997		2527
1998	our $GOTOGEN;	2528	our $GOTOGEN;
1999		2529
2000	sub cf::object::player::goto {	2530	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2531	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2532
2003	# do generation counting so two concurrent goto's will be executed in-order	2533	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2535
2006	$self->enter_link;	2536	$self->enter_link;
2007		2537
2008	(async {	2538	(async {
		2539	$Coro::current->{desc} = "player::goto $path $x $y";
		2540
		2541	# *tag paths override both path and x|y
		2542	if ($path =~ /^\*(.*)$/) {
		2543	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2544	my $ob = $obs[rand @obs];
		2545
		2546	# see if we actually can go there
		2547	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2548	$ob = $obs[rand @obs];
		2549	} else {
		2550	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2551	}
		2552	# else put us there anyways for now #d#
		2553
		2554	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2555	} else {
		2556	($path, $x, $y) = (undef, undef, undef);
		2557	}
		2558	}
		2559
2009	my $map = eval {	2560	my $map = eval {
2010	my $map = cf::map::find $path;	2561	my $map = defined $path ? cf::map::find $path : undef;
2011		2562
2012	if ($map) {	2563	if ($map) {
2013	$map = $map->customise_for ($self);	2564	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2565	$map = $check->($map) if $check && $map;
2015	} else {	2566	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2568	}
2018		2569
2019	$map	2570	$map
2020	};	2571	};
2021		2572
…		…
2026		2577
2027	if ($gen == $self->{_goto_generation}) {	2578	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2579	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2580	$self->leave_link ($map, $x, $y);
2030	}	2581	}
		2582
		2583	$done->() if $done;
2031	})->prio (1);	2584	})->prio (1);
2032	}	2585	}
2033		2586
2034	=item $player_object->enter_exit ($exit_object)	2587	=item $player_object->enter_exit ($exit_object)
2035		2588
…		…
2104	my $hp = $exit->stats->hp;	2657	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;	2658	my $sp = $exit->stats->sp;
2106		2659
2107	$self->enter_link;	2660	$self->enter_link;
2108		2661
		2662	# if exit is damned, update players death & WoR home-position
		2663	$self->contr->savebed ($slaying, $hp, $sp)
		2664	if $exit->flag (FLAG_DAMNED);
		2665
2109	(async {	2666	(async {
		2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2668
2110	$self->deactivate_recursive; # just to be sure	2669	$self->deactivate_recursive; # just to be sure
2111	unless (eval {	2670	unless (eval {
2112	$self->goto ($slaying, $hp, $sp);	2671	$self->goto ($slaying, $hp, $sp);
2113		2672
2114	1;	2673	1;
…		…
2140		2699
2141	utf8::encode $text;	2700	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2143	}	2702	}
2144		2703
		2704	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2705
		2706	Send a drawinfo or msg packet to the client, formatting the msg for the
		2707	client if neccessary. C<$type> should be a string identifying the type of
		2708	the message, with C<log> being the default. If C<$color> is negative, suppress
		2709	the message unless the client supports the msg packet.
		2710
		2711	=cut
		2712
		2713	# non-persistent channels (usually the info channel)
		2714	our %CHANNEL = (
		2715	"c/identify" => {
		2716	id => "infobox",
		2717	title => "Identify",
		2718	reply => undef,
		2719	tooltip => "Items recently identified",
		2720	},
		2721	"c/examine" => {
		2722	id => "infobox",
		2723	title => "Examine",
		2724	reply => undef,
		2725	tooltip => "Signs and other items you examined",
		2726	},
		2727	"c/book" => {
		2728	id => "infobox",
		2729	title => "Book",
		2730	reply => undef,
		2731	tooltip => "The contents of a note or book",
		2732	},
		2733	"c/lookat" => {
		2734	id => "infobox",
		2735	title => "Look",
		2736	reply => undef,
		2737	tooltip => "What you saw there",
		2738	},
		2739	"c/who" => {
		2740	id => "infobox",
		2741	title => "Players",
		2742	reply => undef,
		2743	tooltip => "Shows players who are currently online",
		2744	},
		2745	"c/body" => {
		2746	id => "infobox",
		2747	title => "Body Parts",
		2748	reply => undef,
		2749	tooltip => "Shows which body parts you posess and are available",
		2750	},
		2751	"c/uptime" => {
		2752	id => "infobox",
		2753	title => "Uptime",
		2754	reply => undef,
		2755	tooltip => "How long the server has been running since last restart",
		2756	},
		2757	"c/mapinfo" => {
		2758	id => "infobox",
		2759	title => "Map Info",
		2760	reply => undef,
		2761	tooltip => "Information related to the maps",
		2762	},
		2763	);
		2764
		2765	sub cf::client::send_msg {
		2766	my ($self, $channel, $msg, $color, @extra) = @_;
		2767
		2768	$msg = $self->pl->expand_cfpod ($msg);
		2769
		2770	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2771
		2772	# check predefined channels, for the benefit of C
		2773	if ($CHANNEL{$channel}) {
		2774	$channel = $CHANNEL{$channel};
		2775
		2776	$self->ext_msg (channel_info => $channel)
		2777	if $self->can_msg;
		2778
		2779	$channel = $channel->{id};
		2780
		2781	} elsif (ref $channel) {
		2782	# send meta info to client, if not yet sent
		2783	unless (exists $self->{channel}{$channel->{id}}) {
		2784	$self->{channel}{$channel->{id}} = $channel;
		2785	$self->ext_msg (channel_info => $channel)
		2786	if $self->can_msg;
		2787	}
		2788
		2789	$channel = $channel->{id};
		2790	}
		2791
		2792	return unless @extra || length $msg;
		2793
		2794	if ($self->can_msg) {
		2795	# default colour, mask it out
		2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2797	if $color & cf::NDI_DEF;
		2798
		2799	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2801	} else {
		2802	if ($color >= 0) {
		2803	# replace some tags by gcfclient-compatible ones
		2804	for ($msg) {
		2805	1 while
		2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2811	}
		2812
		2813	$color &= cf::NDI_COLOR_MASK;
		2814
		2815	utf8::encode $msg;
		2816
		2817	if (0 && $msg =~ /\[/) {
		2818	# COMMAND/INFO
		2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2820	} else {
		2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2822	$self->send_packet ("drawinfo $color $msg")
		2823	}
		2824	}
		2825	}
		2826	}
		2827
2145	=item $client->ext_event ($type, %msg)	2828	=item $client->ext_msg ($type, @msg)
2146		2829
2147	Sends an exti event to the client.	2830	Sends an ext event to the client.
2148		2831
2149	=cut	2832	=cut
2150		2833
2151	sub cf::client::ext_event($$%) {	2834	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	2835	my ($self, $type, @msg) = @_;
2153		2836
		2837	if ($self->extcmd == 2) {
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2839	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	2840	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2842	}
		2843	}
		2844
		2845	=item $client->ext_reply ($msgid, @msg)
		2846
		2847	Sends an ext reply to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_reply($$@) {
		2852	my ($self, $id, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2856	} elsif ($self->extcmd == 1) {
		2857	#TODO: version 1, remove
		2858	unshift @msg, msgtype => "reply", msgid => $id;
		2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2860	}
2156	}	2861	}
2157		2862
2158	=item $success = $client->query ($flags, "text", \&cb)	2863	=item $success = $client->query ($flags, "text", \&cb)
2159		2864
2160	Queues a query to the client, calling the given callback with	2865	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2866	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2867	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		2868
2164	Queries can fail, so check the return code. Or don't, as queries will become	2869	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	2870	become reliable at some point in the future.
2166		2871
2167	=cut	2872	=cut
2168		2873
2169	sub cf::client::query {	2874	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	2875	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	2883	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2884	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		2885
2181	$self->send_packet ($self->{query_queue}[0][0])	2886	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	2887	if @{ $self->{query_queue} } == 1;
		2888
		2889	1
2183	}	2890	}
2184		2891
2185	cf::client->attach (	2892	cf::client->attach (
		2893	on_connect => sub {
		2894	my ($ns) = @_;
		2895
		2896	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2897	},
2186	on_reply => sub {	2898	on_reply => sub {
2187	my ($ns, $msg) = @_;	2899	my ($ns, $msg) = @_;
2188		2900
2189	# this weird shuffling is so that direct followup queries	2901	# this weird shuffling is so that direct followup queries
2190	# get handled first	2902	# get handled first
…		…
2202	} else {	2914	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2915	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	2916	}
2205	}	2917	}
2206	},	2918	},
		2919	on_exticmd => sub {
		2920	my ($ns, $buf) = @_;
		2921
		2922	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2923
		2924	if (ref $msg) {
		2925	my ($type, $reply, @payload) =
		2926	"ARRAY" eq ref $msg
		2927	? @$msg
		2928	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2929
		2930	my @reply;
		2931
		2932	if (my $cb = $EXTICMD{$type}) {
		2933	@reply = $cb->($ns, @payload);
		2934	}
		2935
		2936	$ns->ext_reply ($reply, @reply)
		2937	if $reply;
		2938
		2939	} else {
		2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2941	}
		2942
		2943	cf::override;
		2944	},
2207	);	2945	);
2208		2946
2209	=item $client->async (\&cb)	2947	=item $client->async (\&cb)
2210		2948
2211	Create a new coroutine, running the specified callback. The coroutine will	2949	Create a new coroutine, running the specified callback. The coroutine will
…		…
2252	our $safe = new Safe "safe";	2990	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	2991	our $safe_hole = new Safe::Hole;
2254		2992
2255	$SIG{FPE} = 'IGNORE';	2993	$SIG{FPE} = 'IGNORE';
2256		2994
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2995	$safe->permit_only (Opcode::opset qw(
		2996	:base_core :base_mem :base_orig :base_math
		2997	grepstart grepwhile mapstart mapwhile
		2998	sort time
		2999	));
2258		3000
2259	# here we export the classes and methods available to script code	3001	# here we export the classes and methods available to script code
2260		3002
2261	=pod	3003	=pod
2262		3004
2263	The following functions and methods are available within a safe environment:	3005	The following functions and methods are available within a safe environment:
2264		3006
2265	cf::object contr pay_amount pay_player map	3007	cf::object
		3008	contr pay_amount pay_player map x y force_find force_add destroy
		3009	insert remove name archname title slaying race decrease_ob_nr
		3010
2266	cf::object::player player	3011	cf::object::player
2267	cf::player peaceful	3012	player
2268	cf::map trigger	3013
		3014	cf::player
		3015	peaceful
		3016
		3017	cf::map
		3018	trigger
2269		3019
2270	=cut	3020	=cut
2271		3021
2272	for (	3022	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3024	insert remove inv name archname title slaying race
		3025	decrease_ob_nr destroy)],
2274	["cf::object::player" => qw(player)],	3026	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3027	["cf::player" => qw(peaceful)],
2276	["cf::map" => qw(trigger)],	3028	["cf::map" => qw(trigger)],
2277	) {	3029	) {
2278	no strict 'refs';	3030	no strict 'refs';
…		…
2349	=back	3101	=back
2350		3102
2351	=cut	3103	=cut
2352		3104
2353	#############################################################################	3105	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524
2525	#############################################################################
2526	# the server's init and main functions	3106	# the server's init and main functions
2527		3107
2528	sub load_facedata($) {	3108	sub load_facedata($) {
2529	my ($path) = @_;	3109	my ($path) = @_;
		3110
		3111	# HACK to clear player env face cache, we need some signal framework
		3112	# for this (global event?)
		3113	%ext::player_env::MUSIC_FACE_CACHE = ();
		3114
		3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2530		3116
2531	warn "loading facedata from $path\n";	3117	warn "loading facedata from $path\n";
2532		3118
2533	my $facedata;	3119	my $facedata;
2534	0 < aio_load $path, $facedata	3120	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	3123	$facedata = Coro::Storable::thaw $facedata;
2538		3124
2539	$facedata->{version} == 2	3125	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3126	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3127
		3128	# patch in the exptable
		3129	$facedata->{resource}{"res/exp_table"} = {
		3130	type => FT_RSRC,
		3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3132	};
		3133	cf::cede_to_tick;
		3134
2542	{	3135	{
2543	my $faces = $facedata->{faceinfo};	3136	my $faces = $facedata->{faceinfo};
2544		3137
2545	while (my ($face, $info) = each %$faces) {	3138	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3140	cf::face::set_visibility $idx, $info->{visibility};
		3141	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2550	Coro::cede;	3144
		3145	cf::cede_to_tick;
2551	}	3146	}
2552		3147
2553	while (my ($face, $info) = each %$faces) {	3148	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3149	next unless $info->{smooth};
2555	my $idx = cf::face::find $face	3150	my $idx = cf::face::find $face
2556	or next;	3151	or next;
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3152	if (my $smooth = cf::face::find $info->{smooth}) {
		3153	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3155	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3156	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3157	}
2562	Coro::cede;	3158
		3159	cf::cede_to_tick;
2563	}	3160	}
2564	}	3161	}
2565		3162
2566	{	3163	{
2567	my $anims = $facedata->{animinfo};	3164	my $anims = $facedata->{animinfo};
2568		3165
2569	while (my ($anim, $info) = each %$anims) {	3166	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3167	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3168	cf::cede_to_tick;
2572	}	3169	}
2573		3170
2574	cf::anim::invalidate_all; # d'oh	3171	cf::anim::invalidate_all; # d'oh
2575	}	3172	}
2576		3173
		3174	{
		3175	# TODO: for gcfclient pleasure, we should give resources
		3176	# that gcfclient doesn't grok a >10000 face index.
		3177	my $res = $facedata->{resource};
		3178
		3179	my $soundconf = delete $res->{"res/sound.conf"};
		3180
		3181	while (my ($name, $info) = each %$res) {
		3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3183	my $data;
		3184
		3185	if ($info->{type} & 1) {
		3186	# prepend meta info
		3187
		3188	my $meta = $enc->encode ({
		3189	name => $name,
		3190	%{ $info->{meta} || {} },
		3191	});
		3192
		3193	$data = pack "(w/a*)*", $meta, $info->{data};
		3194	} else {
		3195	$data = $info->{data};
		3196	}
		3197
		3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3199	cf::face::set_type $idx, $info->{type};
		3200
		3201	cf::cede_to_tick;
		3202	}
		3203
		3204	if ($soundconf) {
		3205	$soundconf = $enc->decode (delete $soundconf->{data});
		3206
		3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3208	my $sound = $soundconf->{compat}[$_]
		3209	or next;
		3210
		3211	my $face = cf::face::find "sound/$sound->[1]";
		3212	cf::sound::set $sound->[0] => $face;
		3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3214	}
		3215
		3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3217	my $face = cf::face::find "sound/$v";
		3218	cf::sound::set $k => $face;
		3219	}
		3220	}
		3221	}
		3222
2577	1	3223	1
2578	}	3224	}
2579		3225
		3226	register_exticmd fx_want => sub {
		3227	my ($ns, $want) = @_;
		3228
		3229	while (my ($k, $v) = each %$want) {
		3230	$ns->fx_want ($k, $v);
		3231	}
		3232	};
		3233
2580	sub reload_regions {	3234	sub reload_regions {
		3235	# HACK to clear player env face cache, we need some signal framework
		3236	# for this (global event?)
		3237	%ext::player_env::MUSIC_FACE_CACHE = ();
		3238
2581	load_resource_file "$MAPDIR/regions"	3239	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3240	or die "unable to load regions file\n";
		3241
		3242	for (cf::region::list) {
		3243	$_->{match} = qr/$_->{match}/
		3244	if exists $_->{match};
		3245	}
2583	}	3246	}
2584		3247
2585	sub reload_facedata {	3248	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3249	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3250	or die "unable to load facedata\n";
2588	}	3251	}
2589		3252
2590	sub reload_archetypes {	3253	sub reload_archetypes {
		3254	load_resource_file "$DATADIR/archetypes"
		3255	or die "unable to load archetypes\n";
		3256	#d# NEED to laod twice to resolve forward references
		3257	# this really needs to be done in an extra post-pass
		3258	# (which needs to be synchronous, so solve it differently)
2591	load_resource_file "$DATADIR/archetypes"	3259	load_resource_file "$DATADIR/archetypes"
2592	or die "unable to load archetypes\n";	3260	or die "unable to load archetypes\n";
2593	}	3261	}
2594		3262
2595	sub reload_treasures {	3263	sub reload_treasures {
…		…
2611		3279
2612	sub init {	3280	sub init {
2613	reload_resources;	3281	reload_resources;
2614	}	3282	}
2615		3283
2616	sub cfg_load {	3284	sub reload_config {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3285	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3286	or return;
2619		3287
2620	local $/;	3288	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3289	*CFG = YAML::Syck::Load <$fh>;
…		…
2637	sub main {	3305	sub main {
2638	# we must not ever block the main coroutine	3306	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3307	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3309	(async {
		3310	$Coro::current->{desc} = "IDLE BUG HANDLER";
2642	Event::one_event;	3311	Event::one_event;
2643	})->prio (Coro::PRIO_MAX);	3312	})->prio (Coro::PRIO_MAX);
2644	};	3313	};
2645		3314
2646	cfg_load;	3315	reload_config;
2647	db_init;	3316	db_init;
2648	load_extensions;	3317	load_extensions;
2649		3318
2650	$TICK_WATCHER->start;	3319	$TICK_WATCHER->start;
2651	Event::loop;	3320	Event::loop;
…		…
2667	},	3336	},
2668	);	3337	);
2669	}	3338	}
2670	}	3339	}
2671		3340
		3341	sub write_runtime {
		3342	my $runtime = "$LOCALDIR/runtime";
		3343
		3344	# first touch the runtime file to show we are still running:
		3345	# the fsync below can take a very very long time.
		3346
		3347	IO::AIO::aio_utime $runtime, undef, undef;
		3348
		3349	my $guard = cf::lock_acquire "write_runtime";
		3350
		3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3352	or return;
		3353
		3354	my $value = $cf::RUNTIME + 90 + 10;
		3355	# 10 is the runtime save interval, for a monotonic clock
		3356	# 60 allows for the watchdog to kill the server.
		3357
		3358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3359	and return;
		3360
		3361	# always fsync - this file is important
		3362	aio_fsync $fh
		3363	and return;
		3364
		3365	# touch it again to show we are up-to-date
		3366	aio_utime $fh, undef, undef;
		3367
		3368	close $fh
		3369	or return;
		3370
		3371	aio_rename "$runtime~", $runtime
		3372	and return;
		3373
		3374	warn "runtime file written.\n";
		3375
		3376	1
		3377	}
		3378
2672	sub emergency_save() {	3379	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3380	my $freeze_guard = cf::freeze_mainloop;
2674		3381
2675	warn "enter emergency perl save\n";	3382	warn "enter emergency perl save\n";
2676		3383
…		…
2680	# and maps saved/destroyed asynchronously.	3387	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3388	warn "begin emergency player save\n";
2682	for my $login (keys %cf::PLAYER) {	3389	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3390	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3391	$pl->valid or next;
		3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3393	$pl->save;
2686	}	3394	}
2687	warn "end emergency player save\n";	3395	warn "end emergency player save\n";
2688		3396
2689	warn "begin emergency map save\n";	3397	warn "begin emergency map save\n";
…		…
2737		3445
2738	warn "flushing outstanding aio requests";	3446	warn "flushing outstanding aio requests";
2739	for (;;) {	3447	for (;;) {
2740	BDB::flush;	3448	BDB::flush;
2741	IO::AIO::flush;	3449	IO::AIO::flush;
2742	Coro::cede;	3450	Coro::cede_notself;
2743	last unless IO::AIO::nreqs || BDB::nreqs;	3451	last unless IO::AIO::nreqs || BDB::nreqs;
2744	warn "iterate...";	3452	warn "iterate...";
2745	}	3453	}
2746		3454
2747	++$RELOAD;	3455	++$RELOAD;
…		…
2751	%EXT_CORO = ();	3459	%EXT_CORO = ();
2752		3460
2753	warn "removing commands";	3461	warn "removing commands";
2754	%COMMAND = ();	3462	%COMMAND = ();
2755		3463
2756	warn "removing ext commands";	3464	warn "removing ext/exti commands";
2757	%EXTCMD = ();	3465	%EXTCMD = ();
		3466	%EXTICMD = ();
2758		3467
2759	warn "unloading/nuking all extensions";	3468	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {	3469	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";	3470	warn "... unloading $pkg";
2762		3471
…		…
2805	warn "reloading cf.pm";	3514	warn "reloading cf.pm";
2806	require cf;	3515	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2808		3517
2809	warn "loading config and database again";	3518	warn "loading config and database again";
2810	cf::cfg_load;	3519	cf::reload_config;
2811		3520
2812	warn "loading extensions";	3521	warn "loading extensions";
2813	cf::load_extensions;	3522	cf::load_extensions;
2814		3523
2815	warn "reattaching attachments to objects/players";	3524	warn "reattaching attachments to objects/players";
…		…
2851	register_command "reload" => sub {	3560	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2853		3562
2854	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3567	reload_perl;
		3568	};
2857	}	3569	}
2858	};	3570	};
2859		3571
2860	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2861		3573
…		…
2880	my $signal = new Coro::Signal;	3592	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3593	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3594	$signal->wait;
2883	}	3595	}
2884		3596
2885	my $min = 1e6;#d#
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (	3597	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,	3598	reentrant => 0,
2889	parked => 1,	3599	parked => 1,
2890	prio => 0,	3600	prio => 0,
2891	at => $NEXT_TICK || $TICK,	3601	at => $NEXT_TICK || $TICK,
…		…
2899		3609
2900	$NOW = $tick_start = Event::time;	3610	$NOW = $tick_start = Event::time;
2901		3611
2902	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
2903		3613
2904	0 && sync_job {#d#
2905	for(1..10) {
2906	my $t = Event::time;
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2908	or die;
2909
2910	$map->width (50);
2911	$map->height (50);
2912	$map->alloc;
2913	$map->_load_objects ("/tmp/x.map", 1);
2914	my $t = Event::time - $t;
2915
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};
2926
2927	$RUNTIME += $TICK;	3614	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;	3615	$NEXT_TICK += $TICK;
2929		3616
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;	3618	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {	3619	Coro::async_pool {
		3620	$Coro::current->{desc} = "runtime saver";
2933	write_runtime	3621	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";	3622	or warn "ERROR: unable to write runtime file: $!";
2935	};	3623	};
2936	}	3624	}
2937		3625
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3627	$sig->send;
2943	}	3628	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3629	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	3630	$sig->send;
…		…
2955		3640
2956	$LOAD = ($NOW - $tick_start) / $TICK;	3641	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		3643
2959	_post_tick;	3644	_post_tick;
2960
2961
2962	},	3645	},
2963	);	3646	);
2964		3647
2965	{	3648	{
		3649	BDB::min_parallel 8;
2966	BDB::max_poll_time $TICK * 0.1;	3650	BDB::max_poll_time $TICK * 0.1;
2967	$BDB_POLL_WATCHER = Event->io (	3651	$BDB_POLL_WATCHER = Event->io (
2968	reentrant => 0,	3652	reentrant => 0,
2969	fd => BDB::poll_fileno,	3653	fd => BDB::poll_fileno,
2970	poll => 'r',	3654	poll => 'r',
2971	prio => 0,	3655	prio => 0,
2972	data => WF_AUTOCANCEL,	3656	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,	3657	cb => \&BDB::poll_cb,
2974	);	3658	);
2975	BDB::min_parallel 8;
2976		3659
2977	BDB::set_sync_prepare {	3660	BDB::set_sync_prepare {
2978	my $status;	3661	my $status;
2979	my $current = $Coro::current;	3662	my $current = $Coro::current;
2980	(	3663	(
…		…
2989	)	3672	)
2990	};	3673	};
2991		3674
2992	unless ($DB_ENV) {	3675	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	3676	$DB_ENV = BDB::db_env_create;
		3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3678	| BDB::LOG_AUTOREMOVE, 1);
		3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		3681
2995	cf::sync_job {	3682	cf::sync_job {
2996	eval {	3683	eval {
2997	BDB::db_env_open	3684	BDB::db_env_open
2998	$DB_ENV,	3685	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3687	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3688	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	3689	0666;
3003		3690
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3691	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	3692	};
3009		3693
3010	cf::cleanup "db_env_open(db): $@" if $@;	3694	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	3695	};
3012	}	3696	}
		3697
		3698	$BDB_DEADLOCK_WATCHER = Event->timer (
		3699	after => 3,
		3700	interval => 1,
		3701	hard => 1,
		3702	prio => 0,
		3703	data => WF_AUTOCANCEL,
		3704	cb => sub {
		3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3706	},
		3707	);
		3708	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3709	after => 11,
		3710	interval => 60,
		3711	hard => 1,
		3712	prio => 0,
		3713	data => WF_AUTOCANCEL,
		3714	cb => sub {
		3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3716	},
		3717	);
		3718	$BDB_TRICKLE_WATCHER = Event->timer (
		3719	after => 5,
		3720	interval => 10,
		3721	hard => 1,
		3722	prio => 0,
		3723	data => WF_AUTOCANCEL,
		3724	cb => sub {
		3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3726	},
		3727	);
3013	}	3728	}
3014		3729
3015	{	3730	{
3016	IO::AIO::min_parallel 8;	3731	IO::AIO::min_parallel 8;
3017		3732
…		…
3020	$AIO_POLL_WATCHER = Event->io (	3735	$AIO_POLL_WATCHER = Event->io (
3021	reentrant => 0,	3736	reentrant => 0,
3022	data => WF_AUTOCANCEL,	3737	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,	3738	fd => IO::AIO::poll_fileno,
3024	poll => 'r',	3739	poll => 'r',
3025	prio => 6,	3740	prio => 0,
3026	cb => \&IO::AIO::poll_cb,	3741	cb => \&IO::AIO::poll_cb,
3027	);	3742	);
3028	}	3743	}
3029		3744
3030	my $_log_backtrace;	3745	my $_log_backtrace;
…		…
3036		3751
3037	# limit the # of concurrent backtraces	3752	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	3753	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	3754	++$_log_backtrace;
3040	async {	3755	async {
		3756	$Coro::current->{desc} = "abt $msg";
		3757
3041	my @bt = fork_call {	3758	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	3759	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3760	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3761	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	3762	or die "addr2line: $!";

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