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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 1.389 by root, Sat Oct 20 04:39:57 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
…		…
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 Crossfire TRT 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 Crossfire TRT 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	Crossfire TRT).
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	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1190	=item $player->ext_reply ($msgid, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1191		1599
1192	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1193		1601
1194	=cut	1602	=cut
1195		1603
1196	sub ext_reply($$%) {	1604	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1198		1606
1199	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1608	}
1203		1609
1204	=item $player->ext_event ($type, %msg)	1610	=item $player->ext_msg ($type, @msg)
1205		1611
1206	Sends an ext event to the client.	1612	Sends an ext event to the client.
1207		1613
1208	=cut	1614	=cut
1209		1615
1210	sub ext_event($$%) {	1616	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1617	my ($self, $type, @msg) = @_;
1212		1618
1213	$self->ns->ext_event ($type, %msg);	1619	$self->ns->ext_msg ($type, @msg);
1214	}	1620	}
1215		1621
1216	=head3 cf::region	1622	=head3 cf::region
1217		1623
1218	=over 4	1624	=over 4
…		…
1221		1627
1222	package cf::region;	1628	package cf::region;
1223		1629
1224	=item cf::region::find_by_path $path	1630	=item cf::region::find_by_path $path
1225		1631
1226	Tries to decuce the probable region for a map knowing only its path.	1632	Tries to decuce the likely region for a map knowing only its path.
1227		1633
1228	=cut	1634	=cut
1229		1635
1230	sub find_by_path($) {	1636	sub find_by_path($) {
1231	my ($path) = @_;	1637	my ($path) = @_;
1232		1638
1233	my ($match, $specificity);	1639	my ($match, $specificity);
1234		1640
1235	for my $region (list) {	1641	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1642	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1643	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1644	if $region->specificity > $specificity;
1239	}	1645	}
1240	}	1646	}
1241		1647
…		…
1361	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1362	return $self;	1768	return $self;
1363	}	1769	}
1364	}	1770	}
1365		1771
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1773	()
1368	}	1774	}
1369		1775
1370	sub init {	1776	sub init {
1371	my ($self) = @_;	1777	my ($self) = @_;
…		…
1434		1840
1435	sub load_header_from($) {	1841	sub load_header_from($) {
1436	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1437		1843
1438	utf8::encode $path;	1844	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1444		1853
1445	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1446		1855
1447	1	1856	1
1448	}	1857	}
…		…
1502	sub find {	1911	sub find {
1503	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1504		1913
1505	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1506		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1508		1918
1509	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1511	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1512	or return;	1924	or return;
1513		1925
1514	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1515		1927
…		…
1517	or return;	1929	or return;
1518		1930
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1522	$map->reset;	1936	$map->reset;
1523	undef $guard;
1524	return find $path;	1937	return find $path;
1525	}	1938	}
1526		1939
1527	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1528	}	1941	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1538		1951
1539	my $path = $self->{path};	1952	my $path = $self->{path};
1540		1953
1541	{	1954	{
1542	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1543		1956
		1957	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		1959
1546	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1547		1961
1548	$self->alloc;	1962	$self->alloc;
1549		1963
1550	$self->pre_load;	1964	$self->pre_load;
1551	Coro::cede;	1965	cf::cede_to_tick;
1552		1966
		1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	1969	$self->_load_objects ($f)
1554	or return;	1970	or return;
1555		1971
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	1973	if delete $self->{load_original};
1558		1974
1559	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	1976	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	1979	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1564	}	1983	}
1565	}	1984	}
1566		1985
1567	Coro::cede;	1986	$f->resolve_delayed_derefs;
		1987
		1988	cf::cede_to_tick;
1568	# now do the right thing for maps	1989	# now do the right thing for maps
1569	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	1992	unless $self->difficulty;
1572	Coro::cede;	1993	cf::cede_to_tick;
1573		1994
1574	unless ($self->{deny_activate}) {	1995	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	1996	$self->decay_objects;
1576	$self->fix_auto_apply;	1997	$self->fix_auto_apply;
1577	$self->update_buttons;	1998	$self->update_buttons;
1578	Coro::cede;	1999	cf::cede_to_tick;
1579	$self->set_darkness_map;	2000	$self->set_darkness_map;
1580	Coro::cede;	2001	cf::cede_to_tick;
1581	$self->activate;	2002	$self->activate;
1582	}	2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
1583		2007
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	2009	}
1586		2010
1587	$self->post_load;	2011	$self->post_load;
…		…
1598		2022
1599	$self	2023	$self
1600	}	2024	}
1601		2025
1602	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2027	sub load_neighbours {
1604	my ($map) = @_;	2028	my ($map) = @_;
1605		2029
1606	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1607		2031
1608	for (0 .. 3) {	2032	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1610	or next;	2034	or next;
1611	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1612	or next;	2036	or next;
1613	$neigh->load;	2037	$neigh->load;
1614		2038
		2039	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2042	}
1618		2043
1619	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1621	or next;	2047	or next;
1622	$neigh->load;	2048	$neigh->load;
1623	}	2049	}
1624	}	2050	}
1625		2051
…		…
1630	}	2056	}
1631		2057
1632	sub do_load_sync {	2058	sub do_load_sync {
1633	my ($map) = @_;	2059	my ($map) = @_;
1634		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1635	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1636	}	2065	}
1637		2066
1638	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1640		2069
1641	sub find_async {	2070	sub find_async {
1642	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1643		2072
1644	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1645		2074
1646	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2077	}
1649		2078
1650	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1651	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1652	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2086	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2087	$map->load if $v;
		2088	}
1657		2089
1658	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1659	}	2091	}
1660	}	2092	}
1661	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1662	};	2094	};
1663	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2098	}
1667		2099
1668	sub save {	2100	sub save {
1669	my ($self) = @_;	2101	my ($self) = @_;
1670		2102
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2104
1673	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1674		2106
1675	return unless $self->dirty;	2107	return unless $self->dirty;
1676		2108
…		…
1682	return if $self->{deny_save};	2114	return if $self->{deny_save};
1683		2115
1684	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1685		2117
1686	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1688	};	2121	};
1689		2122
1690	if ($uniq) {	2123	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1699	my ($self) = @_;	2132	my ($self) = @_;
1700		2133
1701	# save first because save cedes	2134	# save first because save cedes
1702	$self->save;	2135	$self->save;
1703		2136
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2138
1706	return if $self->players;	2139	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2141	return if $self->{deny_save};
1709		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2147	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2148	}
1713		2149
1714	sub reset_at {	2150	sub reset_at {
1715	my ($self) = @_;	2151	my ($self) = @_;
1716		2152
…		…
1748	if $uniq;	2184	if $uniq;
1749	}	2185	}
1750		2186
1751	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1752		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2191	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2192
1757	$self->unlink_save;	2193	$self->unlink_save;
1758	$self->destroy;	2194	$self->destroy;
1759	}	2195	}
1760		2196
1761	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1762		2198
1763	sub nuke {	2199	sub nuke {
1764	my ($self) = @_;	2200	my ($self) = @_;
1765		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1766	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1767		2206
1768	$self->unlink_save;	2207	$self->unlink_save;
1769		2208
1770	bless $self, "cf::map";	2209	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2214
1776	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1777		2217
1778	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
1779	}	2219	}
1780		2220
1781	=item $maps = cf::map::tmp_maps	2221	=item $maps = cf::map::tmp_maps
…		…
1857		2297
1858	sub inv_recursive {	2298	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
1860	}	2300	}
1861		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
		2328	}
		2329
1862	package cf;	2330	package cf;
1863		2331
1864	=back	2332	=back
1865		2333
1866	=head3 cf::object::player	2334	=head3 cf::object::player
…		…
1883		2351
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2353
1886	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1888	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1891	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1892	}	2379	}
1893		2380
1894	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1895		2382
1896	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1975	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1978		2465
1979	$map->load;	2466	$map->load;
1980	$map->load_diag;	2467	$map->load_neighbours;
1981		2468
1982	return unless $self->contr->active;	2469	return unless $self->contr->active;
1983	$self->activate_recursive;	2470	$self->activate_recursive;
1984		2471
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1987	}	2474	}
1988		2475
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2477
1991	Moves the player to the given map-path and coordinates by first freezing	2478	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	2479	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	2480	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2481	the new (success) or old (failed) map position. In either case, $done will
		2482	be called at the end of this process.
1995		2483
1996	=cut	2484	=cut
1997		2485
1998	our $GOTOGEN;	2486	our $GOTOGEN;
1999		2487
2000	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2490
2003	# do generation counting so two concurrent goto's will be executed in-order	2491	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2493
2006	$self->enter_link;	2494	$self->enter_link;
2007		2495
2008	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
2009	my $map = eval {	2518	my $map = eval {
2010	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
2011		2520
2012	if ($map) {	2521	if ($map) {
2013	$map = $map->customise_for ($self);	2522	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2523	$map = $check->($map) if $check && $map;
2015	} else {	2524	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2526	}
2018		2527
2019	$map	2528	$map
2020	};	2529	};
2021		2530
…		…
2026		2535
2027	if ($gen == $self->{_goto_generation}) {	2536	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2537	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
2030	}	2539	}
		2540
		2541	$done->() if $done;
2031	})->prio (1);	2542	})->prio (1);
2032	}	2543	}
2033		2544
2034	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
2035		2546
…		…
2104	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
2106		2617
2107	$self->enter_link;	2618	$self->enter_link;
2108		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
2109	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
2110	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
2111	unless (eval {	2628	unless (eval {
2112	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
2113		2630
2114	1;	2631	1;
…		…
2140		2657
2141	utf8::encode $text;	2658	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2143	}	2660	}
2144		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	);
		2697
		2698	sub cf::client::send_msg {
		2699	my ($self, $channel, $msg, $color, @extra) = @_;
		2700
		2701	$msg = $self->pl->expand_cfpod ($msg);
		2702
		2703	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2704
		2705	# check predefined channels, for the benefit of C
		2706	if ($CHANNEL{$channel}) {
		2707	$channel = $CHANNEL{$channel};
		2708
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711
		2712	$channel = $channel->{id};
		2713
		2714	} elsif (ref $channel) {
		2715	# send meta info to client, if not yet sent
		2716	unless (exists $self->{channel}{$channel->{id}}) {
		2717	$self->{channel}{$channel->{id}} = $channel;
		2718	$self->ext_msg (channel_info => $channel)
		2719	if $self->can_msg;
		2720	}
		2721
		2722	$channel = $channel->{id};
		2723	}
		2724
		2725	return unless @extra || length $msg;
		2726
		2727	if ($self->can_msg) {
		2728	# default colour, mask it out
		2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2730	if $color & cf::NDI_DEF;
		2731
		2732	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2734	} else {
		2735	if ($color >= 0) {
		2736	# replace some tags by gcfclient-compatible ones
		2737	for ($msg) {
		2738	1 while
		2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2744	}
		2745
		2746	$color &= cf::NDI_COLOR_MASK;
		2747
		2748	utf8::encode $msg;
		2749
		2750	if (0 && $msg =~ /\[/) {
		2751	# COMMAND/INFO
		2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2753	} else {
		2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2755	$self->send_packet ("drawinfo $color $msg")
		2756	}
		2757	}
		2758	}
		2759	}
		2760
2145	=item $client->ext_event ($type, %msg)	2761	=item $client->ext_msg ($type, @msg)
2146		2762
2147	Sends an exti event to the client.	2763	Sends an ext event to the client.
2148		2764
2149	=cut	2765	=cut
2150		2766
2151	sub cf::client::ext_event($$%) {	2767	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	2768	my ($self, $type, @msg) = @_;
2153		2769
		2770	if ($self->extcmd == 2) {
		2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2772	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	2773	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2775	}
		2776	}
		2777
		2778	=item $client->ext_reply ($msgid, @msg)
		2779
		2780	Sends an ext reply to the client.
		2781
		2782	=cut
		2783
		2784	sub cf::client::ext_reply($$@) {
		2785	my ($self, $id, @msg) = @_;
		2786
		2787	if ($self->extcmd == 2) {
		2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2789	} elsif ($self->extcmd == 1) {
		2790	#TODO: version 1, remove
		2791	unshift @msg, msgtype => "reply", msgid => $id;
		2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2793	}
2156	}	2794	}
2157		2795
2158	=item $success = $client->query ($flags, "text", \&cb)	2796	=item $success = $client->query ($flags, "text", \&cb)
2159		2797
2160	Queues a query to the client, calling the given callback with	2798	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>,	2799	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>.	2800	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		2801
2164	Queries can fail, so check the return code. Or don't, as queries will become	2802	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	2803	become reliable at some point in the future.
2166		2804
2167	=cut	2805	=cut
2168		2806
2169	sub cf::client::query {	2807	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	2808	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	2816	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2817	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		2818
2181	$self->send_packet ($self->{query_queue}[0][0])	2819	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	2820	if @{ $self->{query_queue} } == 1;
		2821
		2822	1
2183	}	2823	}
2184		2824
2185	cf::client->attach (	2825	cf::client->attach (
		2826	on_connect => sub {
		2827	my ($ns) = @_;
		2828
		2829	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2830	},
2186	on_reply => sub {	2831	on_reply => sub {
2187	my ($ns, $msg) = @_;	2832	my ($ns, $msg) = @_;
2188		2833
2189	# this weird shuffling is so that direct followup queries	2834	# this weird shuffling is so that direct followup queries
2190	# get handled first	2835	# get handled first
…		…
2202	} else {	2847	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2848	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	2849	}
2205	}	2850	}
2206	},	2851	},
		2852	on_exticmd => sub {
		2853	my ($ns, $buf) = @_;
		2854
		2855	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2856
		2857	if (ref $msg) {
		2858	my ($type, $reply, @payload) =
		2859	"ARRAY" eq ref $msg
		2860	? @$msg
		2861	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2862
		2863	my @reply;
		2864
		2865	if (my $cb = $EXTICMD{$type}) {
		2866	@reply = $cb->($ns, @payload);
		2867	}
		2868
		2869	$ns->ext_reply ($reply, @reply)
		2870	if $reply;
		2871
		2872	} else {
		2873	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2874	}
		2875
		2876	cf::override;
		2877	},
2207	);	2878	);
2208		2879
2209	=item $client->async (\&cb)	2880	=item $client->async (\&cb)
2210		2881
2211	Create a new coroutine, running the specified callback. The coroutine will	2882	Create a new coroutine, running the specified callback. The coroutine will
…		…
2252	our $safe = new Safe "safe";	2923	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	2924	our $safe_hole = new Safe::Hole;
2254		2925
2255	$SIG{FPE} = 'IGNORE';	2926	$SIG{FPE} = 'IGNORE';
2256		2927
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2928	$safe->permit_only (Opcode::opset qw(
		2929	:base_core :base_mem :base_orig :base_math
		2930	grepstart grepwhile mapstart mapwhile
		2931	sort time
		2932	));
2258		2933
2259	# here we export the classes and methods available to script code	2934	# here we export the classes and methods available to script code
2260		2935
2261	=pod	2936	=pod
2262		2937
2263	The following functions and methods are available within a safe environment:	2938	The following functions and methods are available within a safe environment:
2264		2939
2265	cf::object contr pay_amount pay_player map	2940	cf::object
		2941	contr pay_amount pay_player map x y force_find force_add destroy
		2942	insert remove name archname title slaying race decrease_ob_nr
		2943
2266	cf::object::player player	2944	cf::object::player
2267	cf::player peaceful	2945	player
2268	cf::map trigger	2946
		2947	cf::player
		2948	peaceful
		2949
		2950	cf::map
		2951	trigger
2269		2952
2270	=cut	2953	=cut
2271		2954
2272	for (	2955	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2957	insert remove inv name archname title slaying race
		2958	decrease_ob_nr destroy)],
2274	["cf::object::player" => qw(player)],	2959	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	2960	["cf::player" => qw(peaceful)],
2276	["cf::map" => qw(trigger)],	2961	["cf::map" => qw(trigger)],
2277	) {	2962	) {
2278	no strict 'refs';	2963	no strict 'refs';
…		…
2349	=back	3034	=back
2350		3035
2351	=cut	3036	=cut
2352		3037
2353	#############################################################################	3038	#############################################################################
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 $@;
2521	_exit 0;
2522	}
2523	}
2524
2525	#############################################################################
2526	# the server's init and main functions	3039	# the server's init and main functions
2527		3040
2528	sub load_facedata($) {	3041	sub load_facedata($) {
2529	my ($path) = @_;	3042	my ($path) = @_;
		3043
		3044	# HACK to clear player env face cache, we need some signal framework
		3045	# for this (global event?)
		3046	%ext::player_env::MUSIC_FACE_CACHE = ();
		3047
		3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2530		3049
2531	warn "loading facedata from $path\n";	3050	warn "loading facedata from $path\n";
2532		3051
2533	my $facedata;	3052	my $facedata;
2534	0 < aio_load $path, $facedata	3053	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	3056	$facedata = Coro::Storable::thaw $facedata;
2538		3057
2539	$facedata->{version} == 2	3058	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3059	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3060
		3061	# patch in the exptable
		3062	$facedata->{resource}{"res/exp_table"} = {
		3063	type => FT_RSRC,
		3064	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3065	};
		3066	cf::cede_to_tick;
		3067
2542	{	3068	{
2543	my $faces = $facedata->{faceinfo};	3069	my $faces = $facedata->{faceinfo};
2544		3070
2545	while (my ($face, $info) = each %$faces) {	3071	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3073	cf::face::set_visibility $idx, $info->{visibility};
		3074	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2550	Coro::cede;	3077
		3078	cf::cede_to_tick;
2551	}	3079	}
2552		3080
2553	while (my ($face, $info) = each %$faces) {	3081	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3082	next unless $info->{smooth};
2555	my $idx = cf::face::find $face	3083	my $idx = cf::face::find $face
2556	or next;	3084	or next;
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3085	if (my $smooth = cf::face::find $info->{smooth}) {
		3086	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3088	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3089	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3090	}
2562	Coro::cede;	3091
		3092	cf::cede_to_tick;
2563	}	3093	}
2564	}	3094	}
2565		3095
2566	{	3096	{
2567	my $anims = $facedata->{animinfo};	3097	my $anims = $facedata->{animinfo};
2568		3098
2569	while (my ($anim, $info) = each %$anims) {	3099	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3100	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3101	cf::cede_to_tick;
2572	}	3102	}
2573		3103
2574	cf::anim::invalidate_all; # d'oh	3104	cf::anim::invalidate_all; # d'oh
2575	}	3105	}
2576		3106
		3107	{
		3108	# TODO: for gcfclient pleasure, we should give resources
		3109	# that gcfclient doesn't grok a >10000 face index.
		3110	my $res = $facedata->{resource};
		3111
		3112	my $soundconf = delete $res->{"res/sound.conf"};
		3113
		3114	while (my ($name, $info) = each %$res) {
		3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3116	my $data;
		3117
		3118	if ($info->{type} & 1) {
		3119	# prepend meta info
		3120
		3121	my $meta = $enc->encode ({
		3122	name => $name,
		3123	%{ $info->{meta} || {} },
		3124	});
		3125
		3126	$data = pack "(w/a*)*", $meta, $info->{data};
		3127	} else {
		3128	$data = $info->{data};
		3129	}
		3130
		3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3132	cf::face::set_type $idx, $info->{type};
		3133
		3134	cf::cede_to_tick;
		3135	}
		3136
		3137	if ($soundconf) {
		3138	$soundconf = $enc->decode (delete $soundconf->{data});
		3139
		3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3141	my $sound = $soundconf->{compat}[$_]
		3142	or next;
		3143
		3144	my $face = cf::face::find "sound/$sound->[1]";
		3145	cf::sound::set $sound->[0] => $face;
		3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3147	}
		3148
		3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3150	my $face = cf::face::find "sound/$v";
		3151	cf::sound::set $k => $face;
		3152	}
		3153	}
		3154	}
		3155
2577	1	3156	1
2578	}	3157	}
2579		3158
		3159	register_exticmd fx_want => sub {
		3160	my ($ns, $want) = @_;
		3161
		3162	while (my ($k, $v) = each %$want) {
		3163	$ns->fx_want ($k, $v);
		3164	}
		3165	};
		3166
2580	sub reload_regions {	3167	sub reload_regions {
		3168	# HACK to clear player env face cache, we need some signal framework
		3169	# for this (global event?)
		3170	%ext::player_env::MUSIC_FACE_CACHE = ();
		3171
2581	load_resource_file "$MAPDIR/regions"	3172	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3173	or die "unable to load regions file\n";
		3174
		3175	for (cf::region::list) {
		3176	$_->{match} = qr/$_->{match}/
		3177	if exists $_->{match};
		3178	}
2583	}	3179	}
2584		3180
2585	sub reload_facedata {	3181	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3182	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3183	or die "unable to load facedata\n";
2588	}	3184	}
2589		3185
2590	sub reload_archetypes {	3186	sub reload_archetypes {
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	#d# NEED to laod twice to resolve forward references
		3190	# this really needs to be done in an extra post-pass
		3191	# (which needs to be synchronous, so solve it differently)
2591	load_resource_file "$DATADIR/archetypes"	3192	load_resource_file "$DATADIR/archetypes"
2592	or die "unable to load archetypes\n";	3193	or die "unable to load archetypes\n";
2593	}	3194	}
2594		3195
2595	sub reload_treasures {	3196	sub reload_treasures {
…		…
2611		3212
2612	sub init {	3213	sub init {
2613	reload_resources;	3214	reload_resources;
2614	}	3215	}
2615		3216
2616	sub cfg_load {	3217	sub reload_config {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3218	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3219	or return;
2619		3220
2620	local $/;	3221	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3222	*CFG = YAML::Syck::Load <$fh>;
…		…
2637	sub main {	3238	sub main {
2638	# we must not ever block the main coroutine	3239	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3240	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3242	(async {
		3243	$Coro::current->{desc} = "IDLE BUG HANDLER";
2642	Event::one_event;	3244	Event::one_event;
2643	})->prio (Coro::PRIO_MAX);	3245	})->prio (Coro::PRIO_MAX);
2644	};	3246	};
2645		3247
2646	cfg_load;	3248	reload_config;
2647	db_init;	3249	db_init;
2648	load_extensions;	3250	load_extensions;
2649		3251
2650	$TICK_WATCHER->start;	3252	$TICK_WATCHER->start;
2651	Event::loop;	3253	Event::loop;
…		…
2667	},	3269	},
2668	);	3270	);
2669	}	3271	}
2670	}	3272	}
2671		3273
		3274	sub write_runtime {
		3275	my $runtime = "$LOCALDIR/runtime";
		3276
		3277	# first touch the runtime file to show we are still running:
		3278	# the fsync below can take a very very long time.
		3279
		3280	IO::AIO::aio_utime $runtime, undef, undef;
		3281
		3282	my $guard = cf::lock_acquire "write_runtime";
		3283
		3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3285	or return;
		3286
		3287	my $value = $cf::RUNTIME + 90 + 10;
		3288	# 10 is the runtime save interval, for a monotonic clock
		3289	# 60 allows for the watchdog to kill the server.
		3290
		3291	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3292	and return;
		3293
		3294	# always fsync - this file is important
		3295	aio_fsync $fh
		3296	and return;
		3297
		3298	# touch it again to show we are up-to-date
		3299	aio_utime $fh, undef, undef;
		3300
		3301	close $fh
		3302	or return;
		3303
		3304	aio_rename "$runtime~", $runtime
		3305	and return;
		3306
		3307	warn "runtime file written.\n";
		3308
		3309	1
		3310	}
		3311
2672	sub emergency_save() {	3312	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3313	my $freeze_guard = cf::freeze_mainloop;
2674		3314
2675	warn "enter emergency perl save\n";	3315	warn "enter emergency perl save\n";
2676		3316
…		…
2680	# and maps saved/destroyed asynchronously.	3320	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3321	warn "begin emergency player save\n";
2682	for my $login (keys %cf::PLAYER) {	3322	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3323	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3324	$pl->valid or next;
		3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3326	$pl->save;
2686	}	3327	}
2687	warn "end emergency player save\n";	3328	warn "end emergency player save\n";
2688		3329
2689	warn "begin emergency map save\n";	3330	warn "begin emergency map save\n";
…		…
2737		3378
2738	warn "flushing outstanding aio requests";	3379	warn "flushing outstanding aio requests";
2739	for (;;) {	3380	for (;;) {
2740	BDB::flush;	3381	BDB::flush;
2741	IO::AIO::flush;	3382	IO::AIO::flush;
2742	Coro::cede;	3383	Coro::cede_notself;
2743	last unless IO::AIO::nreqs || BDB::nreqs;	3384	last unless IO::AIO::nreqs || BDB::nreqs;
2744	warn "iterate...";	3385	warn "iterate...";
2745	}	3386	}
2746		3387
2747	++$RELOAD;	3388	++$RELOAD;
…		…
2751	%EXT_CORO = ();	3392	%EXT_CORO = ();
2752		3393
2753	warn "removing commands";	3394	warn "removing commands";
2754	%COMMAND = ();	3395	%COMMAND = ();
2755		3396
2756	warn "removing ext commands";	3397	warn "removing ext/exti commands";
2757	%EXTCMD = ();	3398	%EXTCMD = ();
		3399	%EXTICMD = ();
2758		3400
2759	warn "unloading/nuking all extensions";	3401	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {	3402	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";	3403	warn "... unloading $pkg";
2762		3404
…		…
2805	warn "reloading cf.pm";	3447	warn "reloading cf.pm";
2806	require cf;	3448	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2808		3450
2809	warn "loading config and database again";	3451	warn "loading config and database again";
2810	cf::cfg_load;	3452	cf::reload_config;
2811		3453
2812	warn "loading extensions";	3454	warn "loading extensions";
2813	cf::load_extensions;	3455	cf::load_extensions;
2814		3456
2815	warn "reattaching attachments to objects/players";	3457	warn "reattaching attachments to objects/players";
…		…
2851	register_command "reload" => sub {	3493	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3494	my ($who, $arg) = @_;
2853		3495
2854	if ($who->flag (FLAG_WIZ)) {	3496	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3497	$who->message ("reloading server.");
		3498	async {
		3499	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3500	reload_perl;
		3501	};
2857	}	3502	}
2858	};	3503	};
2859		3504
2860	unshift @INC, $LIBDIR;	3505	unshift @INC, $LIBDIR;
2861		3506
…		…
2880	my $signal = new Coro::Signal;	3525	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3526	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3527	$signal->wait;
2883	}	3528	}
2884		3529
2885	my $min = 1e6;#d#
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (	3530	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,	3531	reentrant => 0,
2889	parked => 1,	3532	parked => 1,
2890	prio => 0,	3533	prio => 0,
2891	at => $NEXT_TICK || $TICK,	3534	at => $NEXT_TICK || $TICK,
…		…
2899		3542
2900	$NOW = $tick_start = Event::time;	3543	$NOW = $tick_start = Event::time;
2901		3544
2902	cf::server_tick; # one server iteration	3545	cf::server_tick; # one server iteration
2903		3546
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;	3547	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;	3548	$NEXT_TICK += $TICK;
2929		3549
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;	3551	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {	3552	Coro::async_pool {
		3553	$Coro::current->{desc} = "runtime saver";
2933	write_runtime	3554	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";	3555	or warn "ERROR: unable to write runtime file: $!";
2935	};	3556	};
2936	}	3557	}
2937		3558
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3560	$sig->send;
2943	}	3561	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3562	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	3563	$sig->send;
…		…
2955		3573
2956	$LOAD = ($NOW - $tick_start) / $TICK;	3574	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		3576
2959	_post_tick;	3577	_post_tick;
2960
2961
2962	},	3578	},
2963	);	3579	);
2964		3580
2965	{	3581	{
		3582	BDB::min_parallel 8;
2966	BDB::max_poll_time $TICK * 0.1;	3583	BDB::max_poll_time $TICK * 0.1;
2967	$BDB_POLL_WATCHER = Event->io (	3584	$BDB_POLL_WATCHER = Event->io (
2968	reentrant => 0,	3585	reentrant => 0,
2969	fd => BDB::poll_fileno,	3586	fd => BDB::poll_fileno,
2970	poll => 'r',	3587	poll => 'r',
2971	prio => 0,	3588	prio => 0,
2972	data => WF_AUTOCANCEL,	3589	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,	3590	cb => \&BDB::poll_cb,
2974	);	3591	);
2975	BDB::min_parallel 8;
2976		3592
2977	BDB::set_sync_prepare {	3593	BDB::set_sync_prepare {
2978	my $status;	3594	my $status;
2979	my $current = $Coro::current;	3595	my $current = $Coro::current;
2980	(	3596	(
…		…
2989	)	3605	)
2990	};	3606	};
2991		3607
2992	unless ($DB_ENV) {	3608	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	3609	$DB_ENV = BDB::db_env_create;
		3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3611	| BDB::LOG_AUTOREMOVE, 1);
		3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		3614
2995	cf::sync_job {	3615	cf::sync_job {
2996	eval {	3616	eval {
2997	BDB::db_env_open	3617	BDB::db_env_open
2998	$DB_ENV,	3618	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3620	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3621	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	3622	0666;
3003		3623
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3624	cf::cleanup "db_env_open($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	};	3625	};
3009		3626
3010	cf::cleanup "db_env_open(db): $@" if $@;	3627	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	3628	};
3012	}	3629	}
		3630
		3631	$BDB_DEADLOCK_WATCHER = Event->timer (
		3632	after => 3,
		3633	interval => 1,
		3634	hard => 1,
		3635	prio => 0,
		3636	data => WF_AUTOCANCEL,
		3637	cb => sub {
		3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3639	},
		3640	);
		3641	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3642	after => 11,
		3643	interval => 60,
		3644	hard => 1,
		3645	prio => 0,
		3646	data => WF_AUTOCANCEL,
		3647	cb => sub {
		3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3649	},
		3650	);
		3651	$BDB_TRICKLE_WATCHER = Event->timer (
		3652	after => 5,
		3653	interval => 10,
		3654	hard => 1,
		3655	prio => 0,
		3656	data => WF_AUTOCANCEL,
		3657	cb => sub {
		3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3659	},
		3660	);
3013	}	3661	}
3014		3662
3015	{	3663	{
3016	IO::AIO::min_parallel 8;	3664	IO::AIO::min_parallel 8;
3017		3665
…		…
3020	$AIO_POLL_WATCHER = Event->io (	3668	$AIO_POLL_WATCHER = Event->io (
3021	reentrant => 0,	3669	reentrant => 0,
3022	data => WF_AUTOCANCEL,	3670	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,	3671	fd => IO::AIO::poll_fileno,
3024	poll => 'r',	3672	poll => 'r',
3025	prio => 6,	3673	prio => 0,
3026	cb => \&IO::AIO::poll_cb,	3674	cb => \&IO::AIO::poll_cb,
3027	);	3675	);
3028	}	3676	}
3029		3677
3030	my $_log_backtrace;	3678	my $_log_backtrace;
…		…
3036		3684
3037	# limit the # of concurrent backtraces	3685	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	3686	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	3687	++$_log_backtrace;
3040	async {	3688	async {
		3689	$Coro::current->{desc} = "abt $msg";
		3690
3041	my @bt = fork_call {	3691	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	3692	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3693	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3694	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	3695	or die "addr2line: $!";

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