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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.376 by root, Mon Oct 1 00:44:44 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
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 2.32 ();
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';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		206
194	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	208	# within the Safe compartment.
196	for my $pkg (qw(	209	for my $pkg (qw(
197	cf::global cf::attachable	210	cf::global cf::attachable
…		…
205	}	218	}
206		219
207	$Event::DIED = sub {	220	$Event::DIED = sub {
208	warn "error in event callback: @_";	221	warn "error in event callback: @_";
209	};	222	};
		223
		224	#############################################################################
210		225
211	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
212		227
213	=over 4	228	=over 4
214		229
…		…
233	$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;
234	$d	249	$d
235	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
236	}	251	}
237		252
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
241		254
242	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
243		256
244	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
245		258
246	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]) }
247		267
248	=item cf::lock_wait $string	268	=item cf::lock_wait $string
249		269
250	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
251		271
…		…
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
257	returned.	277	returned.
258		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
259	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
260	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
261		284
262	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
263		286
264	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
265		288
266	=cut	289	=cut
267		290
268	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
269		293
270	sub lock_wait($) {	294	sub lock_wait($) {
271	my ($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#
272		301
273	# wait for lock, if any	302	# wait for lock, if any
274	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	305	Coro::schedule;
…		…
282		311
283	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
284	lock_wait $key;	313	lock_wait $key;
285		314
286	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
287		317
288	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
291	}	322	}
292	}	323	}
293		324
…		…
305	};	336	};
306	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
307	$guard	338	$guard
308	}	339	}
309		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
310	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
311		400
312	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
313	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
314	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.
…		…
317		406
318	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
319		408
320	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
321		410
322	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)
323	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
324	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.
325		415
326	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
327	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
328	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
329	fast or be very important.	419	fast or be very important.
…		…
345		435
346	my $busy = 1;	436	my $busy = 1;
347	my @res;	437	my @res;
348		438
349	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	441	@res = eval { $job->() };
351	warn $@ if $@;	442	warn $@ if $@;
352	undef $busy;	443	undef $busy;
353	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
354		445
…		…
389	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
390		481
391	$coro	482	$coro
392	}	483	}
393		484
394	sub write_runtime {	485	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		486
397	# first touch the runtime file to show we are still running:	487	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
399		491
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	492	=cut
401	utime undef, undef, $fh;	493
		494	sub fork_call(&@) {
		495	my ($cb, @args) = @_;
		496
		497	# we seemingly have to make a local copy of the whole thing,
		498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
		500
		501	my @res = Coro::Util::fork_eval {
		502	reset_signals;
		503	&$cb
		504	}, @args;
		505
		506	wantarray ? @res : $res[-1]
		507	}
		508
		509	=item $value = cf::db_get $family => $key
		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
402	}	536	};
		537	cf::cleanup "db_open(db): $@" if $@;
403		538
404	my $guard = cf::lock_acquire "write_runtime";	539	$db
		540	}
405		541
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	our $DB;
407	or return;
408		543
409	my $value = $cf::RUNTIME + 90 + 10;	544	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	545	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	546	$DB ||= db_table "db";
		547	};
		548	}
412		549
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	sub db_get($$) {
414	and return;	551	my $key = "$_[0]/$_[1]";
415		552
416	# always fsync - this file is important	553	cf::sync_job {
417	aio_fsync $fh	554	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		555
420	# touch it again to show we are up-to-date	556	$! ? ()
421	utime undef, undef, $fh;	557	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
432	}	634	}
433		635
434	=item cf::datalog type => key => value, ...	636	=item cf::datalog type => key => value, ...
435		637
436	Log a datalog packet of the given type with the given key-value pairs.	638	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
456		658
457	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	661	Crossfire TRT).
460		662
461	=over 4	663	=over 4
462		664
463	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
464		666
…		…
666	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
667	}	869	}
668		870
669	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
670	} else {	872	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	874	}
673		875
674	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
675	}	877	}
676		878
…		…
716	";	918	";
717	die if $@;	919	die if $@;
718	}	920	}
719		921
720	our $override;	922	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		924
723	sub override {	925	sub override {
724	$override = 1;	926	$override = 1;
725	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
726	}	928	}
727		929
728	sub do_invoke {	930	sub do_invoke {
729	my $event = shift;	931	my $event = shift;
730	my $callbacks = shift;	932	my $callbacks = shift;
731		933
732	@invoke_results = ();	934	@INVOKE_RESULTS = ();
733		935
734	local $override;	936	local $override;
735		937
736	for (@$callbacks) {	938	for (@$callbacks) {
737	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
754		956
755	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
756		958
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		962
761	=back	963	=back
762		964
763	=cut	965	=cut
764		966
765	#############################################################################	967	#############################################################################
766	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
767		980
768	sub reattach {	981	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	983	my ($obj) = @_;
771		984
…		…
818	sub object_freezer_save {	1031	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
820		1033
821	sync_job {	1034	sync_job {
822	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
825		1039
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
848	}	1062	}
849	} else {	1063	} else {
850	aio_unlink $filename;	1064	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
852	}	1066	}
853	}	1067	};
854	}	1068	}
855		1069
856	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
858		1072
…		…
870	or return;	1084	or return;
871		1085
872	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
874	or return;	1088	or return;
		1089
875	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
876	}	1091	}
877		1092
		1093	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
880	return ($data, $av);	1097	($data, $av)
881	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
882		1105
883	#############################################################################	1106	#############################################################################
884	# command handling &c	1107	# command handling &c
885		1108
886	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1123	}
901		1124
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1126
904	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
905		1132
906	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
907	called.	1134	called.
908		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
909	=cut	1147	=cut
910		1148
911	sub register_extcmd {	1149	sub register_extcmd {
912	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
913		1151
914	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
915	}	1159	}
916		1160
917	cf::player->attach (	1161	cf::player->attach (
918	on_command => sub {	1162	on_command => sub {
919	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1172	cf::override;
929	},	1173	},
930	on_extcmd => sub {	1174	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
932		1176
933	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1178
935	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
941	} else {	1194	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1196	}
944		1197
945	cf::override;	1198	cf::override;
946	},	1199	},
947	);	1200	);
948		1201
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
984	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1207	next unless -r $path;
986	eval {	1208
987	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
988	1	1266	}
989	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
990	}	1272	};
991	}	1273	}
992		1274
993	#############################################################################	1275	#############################################################################
994		1276
		1277	=back
		1278
995	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
996		1280
997	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
998		1282
999	=cut	1283	=cut
…		…
1003	use Coro::AIO;	1287	use Coro::AIO;
1004		1288
1005	=head3 cf::player	1289	=head3 cf::player
1006		1290
1007	=over 4	1291	=over 4
		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
1008		1306
1009	=item cf::player::find $login	1307	=item cf::player::find $login
1010		1308
1011	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
1012		1310
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1349	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1350
1053	my $pl = load_pl path $login	1351	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
1056	}	1359	}
1057	}	1360	}
1058	}	1361	}
1059		1362
…		…
1069		1372
1070	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1072		1375
1073	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1074	Coro::cede;	1377	cf::cede_to_tick;
1075	}	1378	}
1076		1379
1077	sub new($) {	1380	sub new($) {
1078	my ($login) = @_;	1381	my ($login) = @_;
1079		1382
…		…
1083	$self->{deny_save} = 1;	1386	$self->{deny_save} = 1;
1084		1387
1085	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1086		1389
1087	$self	1390	$self
		1391	}
		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
1088	}	1401	}
1089		1402
1090	=item $pl->quit_character	1403	=item $pl->quit_character
1091		1404
1092	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1460	or return [];
1148		1461
1149	my @logins;	1462	my @logins;
1150		1463
1151	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1155		1473
1156	utf8::decode $login;	1474	utf8::decode $login;
1157	push @logins, $login;	1475	push @logins, $login;
1158	}	1476	}
1159		1477
…		…
1186	}	1504	}
1187		1505
1188	\@paths	1506	\@paths
1189	}	1507	}
1190		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1191	=item $player->ext_reply ($msgid, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1192		1561
1193	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1194		1563
1195	=cut	1564	=cut
1196		1565
1197	sub ext_reply($$%) {	1566	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1199		1568
1200	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1570	}
1204		1571
1205	=item $player->ext_event ($type, %msg)	1572	=item $player->ext_msg ($type, @msg)
1206		1573
1207	Sends an ext event to the client.	1574	Sends an ext event to the client.
1208		1575
1209	=cut	1576	=cut
1210		1577
1211	sub ext_event($$%) {	1578	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1579	my ($self, $type, @msg) = @_;
1213		1580
1214	$self->ns->ext_event ($type, %msg);	1581	$self->ns->ext_msg ($type, @msg);
1215	}	1582	}
1216		1583
1217	=head3 cf::region	1584	=head3 cf::region
1218		1585
1219	=over 4	1586	=over 4
…		…
1222		1589
1223	package cf::region;	1590	package cf::region;
1224		1591
1225	=item cf::region::find_by_path $path	1592	=item cf::region::find_by_path $path
1226		1593
1227	Tries to decuce the probable region for a map knowing only its path.	1594	Tries to decuce the likely region for a map knowing only its path.
1228		1595
1229	=cut	1596	=cut
1230		1597
1231	sub find_by_path($) {	1598	sub find_by_path($) {
1232	my ($path) = @_;	1599	my ($path) = @_;
1233		1600
1234	my ($match, $specificity);	1601	my ($match, $specificity);
1235		1602
1236	for my $region (list) {	1603	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1604	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1605	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1606	if $region->specificity > $specificity;
1240	}	1607	}
1241	}	1608	}
1242		1609
…		…
1306	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1307		1674
1308	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1309	local $self->{path};	1676	local $self->{path};
1310	local $self->{load_path};	1677	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1678
1314	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1315	}	1680	}
1316		1681
1317	sub normalise {	1682	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1365	return $self;	1730	return $self;
1366	}	1731	}
1367	}	1732	}
1368		1733
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1735	()
1371	}	1736	}
1372		1737
1373	sub init {	1738	sub init {
1374	my ($self) = @_;	1739	my ($self) = @_;
…		…
1417		1782
1418	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1420	}	1785	}
1421		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1422	sub unlink_save {	1795	sub unlink_save {
1423	my ($self) = @_;	1796	my ($self) = @_;
1424		1797
1425	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1802
1430	sub load_header_from($) {	1803	sub load_header_from($) {
1431	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1432		1805
1433	utf8::encode $path;	1806	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1439		1815
1440	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1441		1817
1442	1	1818	1
1443	}	1819	}
…		…
1482	$self->load_header_orig	1858	$self->load_header_orig
1483	or return;	1859	or return;
1484	$self->prepare_orig;	1860	$self->prepare_orig;
1485	}	1861	}
1486		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
1487	$self->default_region (cf::region::find_by_path $self->{path})	1866	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1867	unless $self->default_region;
1489		1868
1490	1	1869	1
1491	}	1870	}
…		…
1494	sub find {	1873	sub find {
1495	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1496		1875
1497	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1498		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1500		1880
1501	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1503	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1504	or return;	1886	or return;
1505		1887
1506	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1507		1889
1508	$map->load_header	1890	$map->load_header
1509	or return;	1891	or return;
1510		1892
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1514	$map->reset;	1898	$map->reset;
1515	undef $guard;
1516	return find $path;	1899	return find $path;
1517	}	1900	}
1518		1901
1519	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1520	}	1903	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1530		1913
1531	my $path = $self->{path};	1914	my $path = $self->{path};
1532		1915
1533	{	1916	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1535		1918
		1919	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1921
1538	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1539		1923
1540	$self->alloc;	1924	$self->alloc;
1541		1925
1542	$self->pre_load;	1926	$self->pre_load;
1543	Coro::cede;	1927	cf::cede_to_tick;
1544		1928
		1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	1931	$self->_load_objects ($f)
1546	or return;	1932	or return;
1547		1933
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	1935	if delete $self->{load_original};
1550		1936
1551	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	1938	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	1941	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1556	}	1945	}
1557	}	1946	}
1558		1947
1559	Coro::cede;	1948	$f->resolve_delayed_derefs;
		1949
		1950	cf::cede_to_tick;
1560	# now do the right thing for maps	1951	# now do the right thing for maps
1561	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1954	unless $self->difficulty;
1564	Coro::cede;	1955	cf::cede_to_tick;
1565		1956
1566	unless ($self->{deny_activate}) {	1957	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1958	$self->decay_objects;
1568	$self->fix_auto_apply;	1959	$self->fix_auto_apply;
1569	$self->update_buttons;	1960	$self->update_buttons;
1570	Coro::cede;	1961	cf::cede_to_tick;
1571	$self->set_darkness_map;	1962	$self->set_darkness_map;
1572	Coro::cede;	1963	cf::cede_to_tick;
1573	$self->activate;	1964	$self->activate;
1574	}	1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
1575		1969
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1970	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1971	}
1578		1972
1579	$self->post_load;	1973	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1584		1978
1585	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1980	if $self->per_player;
1587		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1588	$self	1985	$self
1589	}	1986	}
1590		1987
1591	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1989	sub load_neighbours {
1593	my ($map) = @_;	1990	my ($map) = @_;
1594		1991
1595	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1596		1993
1597	for (0 .. 3) {	1994	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1599	or next;	1996	or next;
1600	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1601	or next;	1998	or next;
1602	$neigh->load;	1999	$neigh->load;
1603		2000
		2001	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2004	}
1607		2005
1608	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1610	or next;	2009	or next;
1611	$neigh->load;	2010	$neigh->load;
1612	}	2011	}
1613	}	2012	}
1614		2013
…		…
1619	}	2018	}
1620		2019
1621	sub do_load_sync {	2020	sub do_load_sync {
1622	my ($map) = @_;	2021	my ($map) = @_;
1623		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1624	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1625	}	2027	}
1626		2028
1627	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1629		2031
1630	sub find_async {	2032	sub find_async {
1631	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1632		2034
1633	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1634		2036
1635	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2039	}
1638		2040
1639	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1640	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1641	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2048	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2049	$map->load if $v;
		2050	}
1646		2051
1647	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1648	}	2053	}
1649	}	2054	}
1650	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1651	};	2056	};
1652	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2060	}
1656		2061
1657	sub save {	2062	sub save {
1658	my ($self) = @_;	2063	my ($self) = @_;
1659		2064
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2066
1662	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1663		2068
1664	return unless $self->dirty;	2069	return unless $self->dirty;
1665		2070
…		…
1671	return if $self->{deny_save};	2076	return if $self->{deny_save};
1672		2077
1673	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1674		2079
1675	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1677	};	2083	};
1678		2084
1679	if ($uniq) {	2085	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2094	my ($self) = @_;
1689		2095
1690	# save first because save cedes	2096	# save first because save cedes
1691	$self->save;	2097	$self->save;
1692		2098
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2100
1695	return if $self->players;	2101	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2103	return if $self->{deny_save};
1698		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2109	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2110	}
1702		2111
1703	sub reset_at {	2112	sub reset_at {
1704	my ($self) = @_;	2113	my ($self) = @_;
1705		2114
1706	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1709		2117
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2120
…		…
1723	my ($self) = @_;	2131	my ($self) = @_;
1724		2132
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2134
1727	return if $self->players;	2135	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2136
1730	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
1731		2138
1732	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->in_memory (cf::MAP_SWAPPED);
1733		2140
1734	# need to save uniques path	2141	# need to save uniques path
1735	unless ($self->{deny_save}) {	2142	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2146	if $uniq;
1740	}	2147	}
1741		2148
1742	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1743		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2153	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2154
1748	$self->unlink_save;	2155	$self->unlink_save;
1749	$self->destroy;	2156	$self->destroy;
1750	}	2157	}
1751		2158
1752	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1753		2160
1754	sub nuke {	2161	sub nuke {
1755	my ($self) = @_;	2162	my ($self) = @_;
1756		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1757	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1758		2168
1759	$self->unlink_save;	2169	$self->unlink_save;
1760		2170
1761	bless $self, "cf::map";	2171	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2176
1767	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1768		2179
1769	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1770	}	2217	}
1771		2218
1772	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1773		2220
1774	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2222	instantiated unique items. May block.
1776		2223
1777	=cut	2224	=cut
1778		2225
1779	sub unique_maps() {	2226	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2227	[
1781	or return;	2228	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2229	utf8::decode $_;
1787	next if /\.pst$/;	2230	/\.map$/
1788	next unless /^$PATH_SEP/o;	2231	? normalise $_
1789		2232	: ()
1790	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2234	]
1792
1793	\@paths
1794	}	2235	}
1795		2236
1796	package cf;	2237	package cf;
1797		2238
1798	=back	2239	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1817	}	2258	}
1818		2259
1819	sub inv_recursive {	2260	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	# temporary compatibility#TODO#remove
		2279	$ref =~ s{^<}{player/<};
		2280
		2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2282	my ($uuid, $name) = ($1, $2);
		2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2284	or return;
		2285	$pl->ob->uuid eq $uuid
		2286	or return;
		2287
		2288	$pl->ob
		2289	} else {
		2290	warn "$ref: cannot resolve object reference\n";
		2291	undef
		2292	}
1821	}	2293	}
1822		2294
1823	package cf;	2295	package cf;
1824		2296
1825	=back	2297	=back
…		…
1844		2316
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2317	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2318
1847	if ($self->{record_replies}) {	2319	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2320	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2321
1849	} else {	2322	} else {
		2323	my $pl = $self->contr;
		2324
		2325	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2326	my $dialog = $pl->{npc_dialog};
		2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2328
		2329	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2330	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2331	$self->message ($msg, $flags);
		2332	}
1852	}	2333	}
		2334	}
		2335
		2336	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2337
		2338	=cut
		2339
		2340	sub cf::object::send_msg {
		2341	my $pl = shift->contr
		2342	or return;
		2343	$pl->send_msg (@_);
1853	}	2344	}
1854		2345
1855	=item $player_object->may ("access")	2346	=item $player_object->may ("access")
1856		2347
1857	Returns wether the given player is authorized to access resource "access"	2348	Returns wether the given player is authorized to access resource "access"
…		…
1936	# use -1 or undef as default coordinates, not 0, 0	2427	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2428	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2429	if $x <=0 && $y <= 0;
1939		2430
1940	$map->load;	2431	$map->load;
1941	$map->load_diag;	2432	$map->load_neighbours;
1942		2433
1943	return unless $self->contr->active;	2434	return unless $self->contr->active;
1944	$self->activate_recursive;	2435	$self->activate_recursive;
1945		2436
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2438	$self->enter_map ($map, $x, $y);
1948	}	2439	}
1949		2440
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951		2442
1952	Moves the player to the given map-path and coordinates by first freezing	2443	Moves the player to the given map-path and coordinates by first freezing
1953	her, loading and preparing them map, calling the provided $check callback	2444	her, loading and preparing them map, calling the provided $check callback
1954	that has to return the map if sucecssful, and then unfreezes the player on	2445	that has to return the map if sucecssful, and then unfreezes the player on
1955	the new (success) or old (failed) map position.	2446	the new (success) or old (failed) map position. In either case, $done will
		2447	be called at the end of this process.
1956		2448
1957	=cut	2449	=cut
1958		2450
1959	our $GOTOGEN;	2451	our $GOTOGEN;
1960		2452
1961	sub cf::object::player::goto {	2453	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2454	my ($self, $path, $x, $y, $check, $done) = @_;
1963		2455
1964	# do generation counting so two concurrent goto's will be executed in-order	2456	# do generation counting so two concurrent goto's will be executed in-order
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2458
1967	$self->enter_link;	2459	$self->enter_link;
1968		2460
1969	(async {	2461	(async {
		2462	$Coro::current->{desc} = "player::goto $path $x $y";
		2463
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1970	my $map = eval {	2483	my $map = eval {
1971	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
1972		2485
1973	if ($map) {	2486	if ($map) {
1974	$map = $map->customise_for ($self);	2487	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2488	$map = $check->($map) if $check && $map;
1976	} else {	2489	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2491	}
1979		2492
1980	$map	2493	$map
1981	};	2494	};
1982		2495
…		…
1987		2500
1988	if ($gen == $self->{_goto_generation}) {	2501	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2502	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
1991	}	2504	}
		2505
		2506	$done->() if $done;
1992	})->prio (1);	2507	})->prio (1);
1993	}	2508	}
1994		2509
1995	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1996		2511
…		…
2065	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
2067		2582
2068	$self->enter_link;	2583	$self->enter_link;
2069		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
2070	(async {	2589	(async {
		2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2591
2071	$self->deactivate_recursive; # just to be sure	2592	$self->deactivate_recursive; # just to be sure
2072	unless (eval {	2593	unless (eval {
2073	$self->goto ($slaying, $hp, $sp);	2594	$self->goto ($slaying, $hp, $sp);
2074		2595
2075	1;	2596	1;
…		…
2101		2622
2102	utf8::encode $text;	2623	utf8::encode $text;
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2104	}	2625	}
2105		2626
		2627	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2628
		2629	Send a drawinfo or msg packet to the client, formatting the msg for the
		2630	client if neccessary. C<$type> should be a string identifying the type of
		2631	the message, with C<log> being the default. If C<$color> is negative, suppress
		2632	the message unless the client supports the msg packet.
		2633
		2634	=cut
		2635
		2636	our %CHANNEL = (
		2637	"c/identify" => {
		2638	id => "infobox",
		2639	title => "Identify",
		2640	reply => undef,
		2641	tooltip => "Items recently identified",
		2642	},
		2643	"c/examine" => {
		2644	id => "infobox",
		2645	title => "Examine",
		2646	reply => undef,
		2647	tooltip => "Signs and other items you examined",
		2648	},
		2649	"c/lookat" => {
		2650	id => "infobox",
		2651	title => "Look",
		2652	reply => undef,
		2653	tooltip => "What you saw there",
		2654	},
		2655	);
		2656
		2657	sub cf::client::send_msg {
		2658	my ($self, $channel, $msg, $color, @extra) = @_;
		2659
		2660	$msg = $self->pl->expand_cfpod ($msg);
		2661
		2662	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2663
		2664	# check predefined channels, for the benefit of C
		2665	if ($CHANNEL{$channel}) {
		2666	$channel = $CHANNEL{$channel};
		2667
		2668	$self->ext_msg (channel_info => $channel)
		2669	if $self->can_msg;
		2670
		2671	$channel = $channel->{id};
		2672
		2673	} elsif (ref $channel) {
		2674	# send meta info to client, if not yet sent
		2675	unless (exists $self->{channel}{$channel->{id}}) {
		2676	$self->{channel}{$channel->{id}} = $channel;
		2677	$self->ext_msg (channel_info => $channel)
		2678	if $self->can_msg;
		2679	}
		2680
		2681	$channel = $channel->{id};
		2682	}
		2683
		2684	return unless @extra || length $msg;
		2685
		2686	if ($self->can_msg) {
		2687	# default colour, mask it out
		2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2689	if $color & cf::NDI_DEF;
		2690
		2691	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2693	} else {
		2694	if ($color >= 0) {
		2695	# replace some tags by gcfclient-compatible ones
		2696	for ($msg) {
		2697	1 while
		2698	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2699	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2700	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2701	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2702	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2703	}
		2704
		2705	$color &= cf::NDI_COLOR_MASK;
		2706
		2707	utf8::encode $msg;
		2708
		2709	if (0 && $msg =~ /\[/) {
		2710	# COMMAND/INFO
		2711	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2712	} else {
		2713	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2714	$self->send_packet ("drawinfo $color $msg")
		2715	}
		2716	}
		2717	}
		2718	}
		2719
2106	=item $client->ext_event ($type, %msg)	2720	=item $client->ext_msg ($type, @msg)
2107		2721
2108	Sends an exti event to the client.	2722	Sends an ext event to the client.
2109		2723
2110	=cut	2724	=cut
2111		2725
2112	sub cf::client::ext_event($$%) {	2726	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	2727	my ($self, $type, @msg) = @_;
2114		2728
		2729	if ($self->extcmd == 2) {
		2730	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2731	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	2732	push @msg, msgtype => "event_$type";
2116	$self->send_packet ("ext " . cf::to_json \%msg);	2733	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2734	}
		2735	}
		2736
		2737	=item $client->ext_reply ($msgid, @msg)
		2738
		2739	Sends an ext reply to the client.
		2740
		2741	=cut
		2742
		2743	sub cf::client::ext_reply($$@) {
		2744	my ($self, $id, @msg) = @_;
		2745
		2746	if ($self->extcmd == 2) {
		2747	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2748	} elsif ($self->extcmd == 1) {
		2749	#TODO: version 1, remove
		2750	unshift @msg, msgtype => "reply", msgid => $id;
		2751	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2752	}
2117	}	2753	}
2118		2754
2119	=item $success = $client->query ($flags, "text", \&cb)	2755	=item $success = $client->query ($flags, "text", \&cb)
2120		2756
2121	Queues a query to the client, calling the given callback with	2757	Queues a query to the client, calling the given callback with
2122	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2758	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2123	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2759	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124		2760
2125	Queries can fail, so check the return code. Or don't, as queries will become	2761	Queries can fail, so check the return code. Or don't, as queries will
2126	reliable at some point in the future.	2762	become reliable at some point in the future.
2127		2763
2128	=cut	2764	=cut
2129		2765
2130	sub cf::client::query {	2766	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	2767	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	2775	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2776	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		2777
2142	$self->send_packet ($self->{query_queue}[0][0])	2778	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	2779	if @{ $self->{query_queue} } == 1;
		2780
		2781	1
2144	}	2782	}
2145		2783
2146	cf::client->attach (	2784	cf::client->attach (
		2785	on_connect => sub {
		2786	my ($ns) = @_;
		2787
		2788	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2789	},
2147	on_reply => sub {	2790	on_reply => sub {
2148	my ($ns, $msg) = @_;	2791	my ($ns, $msg) = @_;
2149		2792
2150	# this weird shuffling is so that direct followup queries	2793	# this weird shuffling is so that direct followup queries
2151	# get handled first	2794	# get handled first
…		…
2163	} else {	2806	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2807	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	2808	}
2166	}	2809	}
2167	},	2810	},
		2811	on_exticmd => sub {
		2812	my ($ns, $buf) = @_;
		2813
		2814	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2815
		2816	if (ref $msg) {
		2817	my ($type, $reply, @payload) =
		2818	"ARRAY" eq ref $msg
		2819	? @$msg
		2820	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2821
		2822	my @reply;
		2823
		2824	if (my $cb = $EXTICMD{$type}) {
		2825	@reply = $cb->($ns, @payload);
		2826	}
		2827
		2828	$ns->ext_reply ($reply, @reply)
		2829	if $reply;
		2830
		2831	} else {
		2832	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2833	}
		2834
		2835	cf::override;
		2836	},
2168	);	2837	);
2169		2838
2170	=item $client->async (\&cb)	2839	=item $client->async (\&cb)
2171		2840
2172	Create a new coroutine, running the specified callback. The coroutine will	2841	Create a new coroutine, running the specified callback. The coroutine will
…		…
2213	our $safe = new Safe "safe";	2882	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	2883	our $safe_hole = new Safe::Hole;
2215		2884
2216	$SIG{FPE} = 'IGNORE';	2885	$SIG{FPE} = 'IGNORE';
2217		2886
2218	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2887	$safe->permit_only (Opcode::opset qw(
		2888	:base_core :base_mem :base_orig :base_math
		2889	grepstart grepwhile mapstart mapwhile
		2890	sort time
		2891	));
2219		2892
2220	# here we export the classes and methods available to script code	2893	# here we export the classes and methods available to script code
2221		2894
2222	=pod	2895	=pod
2223		2896
2224	The following functions and methods are available within a safe environment:	2897	The following functions and methods are available within a safe environment:
2225		2898
2226	cf::object contr pay_amount pay_player map	2899	cf::object
		2900	contr pay_amount pay_player map x y force_find force_add
		2901	insert remove name archname title slaying race decrease_ob_nr
		2902
2227	cf::object::player player	2903	cf::object::player
2228	cf::player peaceful	2904	player
2229	cf::map trigger	2905
		2906	cf::player
		2907	peaceful
		2908
		2909	cf::map
		2910	trigger
2230		2911
2231	=cut	2912	=cut
2232		2913
2233	for (	2914	for (
2234	["cf::object" => qw(contr pay_amount pay_player map)],	2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2916	insert remove inv name archname title slaying race
		2917	decrease_ob_nr)],
2235	["cf::object::player" => qw(player)],	2918	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	2919	["cf::player" => qw(peaceful)],
2237	["cf::map" => qw(trigger)],	2920	["cf::map" => qw(trigger)],
2238	) {	2921	) {
2239	no strict 'refs';	2922	no strict 'refs';
…		…
2310	=back	2993	=back
2311		2994
2312	=cut	2995	=cut
2313		2996
2314	#############################################################################	2997	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487
2488	#############################################################################
2489	# the server's init and main functions	2998	# the server's init and main functions
2490		2999
2491	sub load_facedata($) {	3000	sub load_facedata($) {
2492	my ($path) = @_;	3001	my ($path) = @_;
		3002
		3003	# HACK to clear player env face cache, we need some signal framework
		3004	# for this (global event?)
		3005	%ext::player_env::MUSIC_FACE_CACHE = ();
		3006
		3007	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2493		3008
2494	warn "loading facedata from $path\n";	3009	warn "loading facedata from $path\n";
2495		3010
2496	my $facedata;	3011	my $facedata;
2497	0 < aio_load $path, $facedata	3012	0 < aio_load $path, $facedata
…		…
2500	$facedata = Coro::Storable::thaw $facedata;	3015	$facedata = Coro::Storable::thaw $facedata;
2501		3016
2502	$facedata->{version} == 2	3017	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	3018	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		3019
		3020	# patch in the exptable
		3021	$facedata->{resource}{"res/exp_table"} = {
		3022	type => FT_RSRC,
		3023	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3024	};
		3025	cf::cede_to_tick;
		3026
2505	{	3027	{
2506	my $faces = $facedata->{faceinfo};	3028	my $faces = $facedata->{faceinfo};
2507		3029
2508	while (my ($face, $info) = each %$faces) {	3030	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3032	cf::face::set_visibility $idx, $info->{visibility};
		3033	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2513	Coro::cede;	3036
		3037	cf::cede_to_tick;
2514	}	3038	}
2515		3039
2516	while (my ($face, $info) = each %$faces) {	3040	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3041	next unless $info->{smooth};
2518	my $idx = cf::face::find $face	3042	my $idx = cf::face::find $face
2519	or next;	3043	or next;
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3044	if (my $smooth = cf::face::find $info->{smooth}) {
		3045	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3047	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3048	warn "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3049	}
2525	Coro::cede;	3050
		3051	cf::cede_to_tick;
2526	}	3052	}
2527	}	3053	}
2528		3054
2529	{	3055	{
2530	my $anims = $facedata->{animinfo};	3056	my $anims = $facedata->{animinfo};
2531		3057
2532	while (my ($anim, $info) = each %$anims) {	3058	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3059	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	3060	cf::cede_to_tick;
2535	}	3061	}
2536		3062
2537	cf::anim::invalidate_all; # d'oh	3063	cf::anim::invalidate_all; # d'oh
2538	}	3064	}
2539		3065
		3066	{
		3067	# TODO: for gcfclient pleasure, we should give resources
		3068	# that gcfclient doesn't grok a >10000 face index.
		3069	my $res = $facedata->{resource};
		3070
		3071	my $soundconf = delete $res->{"res/sound.conf"};
		3072
		3073	while (my ($name, $info) = each %$res) {
		3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3075	my $data;
		3076
		3077	if ($info->{type} & 1) {
		3078	# prepend meta info
		3079
		3080	my $meta = $enc->encode ({
		3081	name => $name,
		3082	%{ $info->{meta} || {} },
		3083	});
		3084
		3085	$data = pack "(w/a*)*", $meta, $info->{data};
		3086	} else {
		3087	$data = $info->{data};
		3088	}
		3089
		3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3091	cf::face::set_type $idx, $info->{type};
		3092
		3093	cf::cede_to_tick;
		3094	}
		3095
		3096	if ($soundconf) {
		3097	$soundconf = $enc->decode (delete $soundconf->{data});
		3098
		3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3100	my $sound = $soundconf->{compat}[$_]
		3101	or next;
		3102
		3103	my $face = cf::face::find "sound/$sound->[1]";
		3104	cf::sound::set $sound->[0] => $face;
		3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3106	}
		3107
		3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3109	my $face = cf::face::find "sound/$v";
		3110	cf::sound::set $k => $face;
		3111	}
		3112	}
		3113	}
		3114
2540	1	3115	1
2541	}	3116	}
2542		3117
		3118	register_exticmd fx_want => sub {
		3119	my ($ns, $want) = @_;
		3120
		3121	while (my ($k, $v) = each %$want) {
		3122	$ns->fx_want ($k, $v);
		3123	}
		3124	};
		3125
2543	sub reload_regions {	3126	sub reload_regions {
		3127	# HACK to clear player env face cache, we need some signal framework
		3128	# for this (global event?)
		3129	%ext::player_env::MUSIC_FACE_CACHE = ();
		3130
2544	load_resource_file "$MAPDIR/regions"	3131	load_resource_file "$MAPDIR/regions"
2545	or die "unable to load regions file\n";	3132	or die "unable to load regions file\n";
		3133
		3134	for (cf::region::list) {
		3135	$_->{match} = qr/$_->{match}/
		3136	if exists $_->{match};
		3137	}
2546	}	3138	}
2547		3139
2548	sub reload_facedata {	3140	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3141	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	3142	or die "unable to load facedata\n";
2551	}	3143	}
2552		3144
2553	sub reload_archetypes {	3145	sub reload_archetypes {
2554	load_resource_file "$DATADIR/archetypes"	3146	load_resource_file "$DATADIR/archetypes"
2555	or die "unable to load archetypes\n";	3147	or die "unable to load archetypes\n";
		3148	#d# NEED to laod twice to resolve forward references
		3149	# this really needs to be done in an extra post-pass
		3150	# (which needs to be synchronous, so solve it differently)
		3151	load_resource_file "$DATADIR/archetypes"
		3152	or die "unable to load archetypes\n";
2556	}	3153	}
2557		3154
2558	sub reload_treasures {	3155	sub reload_treasures {
2559	load_resource_file "$DATADIR/treasures"	3156	load_resource_file "$DATADIR/treasures"
2560	or die "unable to load treasurelists\n";	3157	or die "unable to load treasurelists\n";
…		…
2563	sub reload_resources {	3160	sub reload_resources {
2564	warn "reloading resource files...\n";	3161	warn "reloading resource files...\n";
2565		3162
2566	reload_regions;	3163	reload_regions;
2567	reload_facedata;	3164	reload_facedata;
		3165	#reload_archetypes;#d#
2568	reload_archetypes;	3166	reload_archetypes;
2569	reload_treasures;	3167	reload_treasures;
2570		3168
2571	warn "finished reloading resource files\n";	3169	warn "finished reloading resource files\n";
2572	}	3170	}
2573		3171
2574	sub init {	3172	sub init {
2575	reload_resources;	3173	reload_resources;
2576	}	3174	}
2577		3175
2578	sub cfg_load {	3176	sub reload_config {
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3177	open my $fh, "<:utf8", "$CONFDIR/config"
2580	or return;	3178	or return;
2581		3179
2582	local $/;	3180	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;	3181	*CFG = YAML::Syck::Load <$fh>;
…		…
2599	sub main {	3197	sub main {
2600	# we must not ever block the main coroutine	3198	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3199	local $Coro::idle = sub {
2602	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2603	(async {	3201	(async {
		3202	$Coro::current->{desc} = "IDLE BUG HANDLER";
2604	Event::one_event;	3203	Event::one_event;
2605	})->prio (Coro::PRIO_MAX);	3204	})->prio (Coro::PRIO_MAX);
2606	};	3205	};
2607		3206
2608	cfg_load;	3207	reload_config;
2609	db_init;	3208	db_init;
2610	load_extensions;	3209	load_extensions;
2611		3210
2612	$TICK_WATCHER->start;	3211	$TICK_WATCHER->start;
2613	Event::loop;	3212	Event::loop;
…		…
2629	},	3228	},
2630	);	3229	);
2631	}	3230	}
2632	}	3231	}
2633		3232
		3233	sub write_runtime {
		3234	my $runtime = "$LOCALDIR/runtime";
		3235
		3236	# first touch the runtime file to show we are still running:
		3237	# the fsync below can take a very very long time.
		3238
		3239	IO::AIO::aio_utime $runtime, undef, undef;
		3240
		3241	my $guard = cf::lock_acquire "write_runtime";
		3242
		3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3244	or return;
		3245
		3246	my $value = $cf::RUNTIME + 90 + 10;
		3247	# 10 is the runtime save interval, for a monotonic clock
		3248	# 60 allows for the watchdog to kill the server.
		3249
		3250	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3251	and return;
		3252
		3253	# always fsync - this file is important
		3254	aio_fsync $fh
		3255	and return;
		3256
		3257	# touch it again to show we are up-to-date
		3258	aio_utime $fh, undef, undef;
		3259
		3260	close $fh
		3261	or return;
		3262
		3263	aio_rename "$runtime~", $runtime
		3264	and return;
		3265
		3266	warn "runtime file written.\n";
		3267
		3268	1
		3269	}
		3270
2634	sub emergency_save() {	3271	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3272	my $freeze_guard = cf::freeze_mainloop;
2636		3273
2637	warn "enter emergency perl save\n";	3274	warn "enter emergency perl save\n";
2638		3275
…		…
2713	%EXT_CORO = ();	3350	%EXT_CORO = ();
2714		3351
2715	warn "removing commands";	3352	warn "removing commands";
2716	%COMMAND = ();	3353	%COMMAND = ();
2717		3354
2718	warn "removing ext commands";	3355	warn "removing ext/exti commands";
2719	%EXTCMD = ();	3356	%EXTCMD = ();
		3357	%EXTICMD = ();
2720		3358
2721	warn "unloading/nuking all extensions";	3359	warn "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {	3360	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";	3361	warn "... unloading $pkg";
2724		3362
…		…
2767	warn "reloading cf.pm";	3405	warn "reloading cf.pm";
2768	require cf;	3406	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2770		3408
2771	warn "loading config and database again";	3409	warn "loading config and database again";
2772	cf::cfg_load;	3410	cf::reload_config;
2773		3411
2774	warn "loading extensions";	3412	warn "loading extensions";
2775	cf::load_extensions;	3413	cf::load_extensions;
2776		3414
2777	warn "reattaching attachments to objects/players";	3415	warn "reattaching attachments to objects/players";
…		…
2813	register_command "reload" => sub {	3451	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	3452	my ($who, $arg) = @_;
2815		3453
2816	if ($who->flag (FLAG_WIZ)) {	3454	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	3455	$who->message ("reloading server.");
		3456	async {
		3457	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	3458	reload_perl;
		3459	};
2819	}	3460	}
2820	};	3461	};
2821		3462
2822	unshift @INC, $LIBDIR;	3463	unshift @INC, $LIBDIR;
2823		3464
…		…
2842	my $signal = new Coro::Signal;	3483	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	3484	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	3485	$signal->wait;
2845	}	3486	}
2846		3487
2847	my $min = 1e6;#d#
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (	3488	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,	3489	reentrant => 0,
2851	parked => 1,	3490	parked => 1,
2852	prio => 0,	3491	prio => 0,
2853	at => $NEXT_TICK || $TICK,	3492	at => $NEXT_TICK || $TICK,
…		…
2861		3500
2862	$NOW = $tick_start = Event::time;	3501	$NOW = $tick_start = Event::time;
2863		3502
2864	cf::server_tick; # one server iteration	3503	cf::server_tick; # one server iteration
2865		3504
2866	0 && sync_job {#d#
2867	for(1..10) {
2868	my $t = Event::time;
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2870	or die;
2871
2872	$map->width (50);
2873	$map->height (50);
2874	$map->alloc;
2875	$map->_load_objects ("/tmp/x.map", 1);
2876	my $t = Event::time - $t;
2877
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};
2888
2889	$RUNTIME += $TICK;	3505	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;	3506	$NEXT_TICK += $TICK;
2891		3507
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;	3509	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {	3510	Coro::async_pool {
		3511	$Coro::current->{desc} = "runtime saver";
2895	write_runtime	3512	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";	3513	or warn "ERROR: unable to write runtime file: $!";
2897	};	3514	};
2898	}	3515	}
2899		3516
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	3518	$sig->send;
2905	}	3519	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	3520	while (my $sig = shift @WAIT_FOR_TICK) {
2907	$sig->send;	3521	$sig->send;
…		…
2917		3531
2918	$LOAD = ($NOW - $tick_start) / $TICK;	3532	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		3534
2921	_post_tick;	3535	_post_tick;
2922
2923
2924	},	3536	},
2925	);	3537	);
2926		3538
2927	{	3539	{
		3540	BDB::min_parallel 8;
2928	BDB::max_poll_time $TICK * 0.1;	3541	BDB::max_poll_time $TICK * 0.1;
2929	$BDB_POLL_WATCHER = Event->io (	3542	$BDB_POLL_WATCHER = Event->io (
2930	reentrant => 0,	3543	reentrant => 0,
2931	fd => BDB::poll_fileno,	3544	fd => BDB::poll_fileno,
2932	poll => 'r',	3545	poll => 'r',
2933	prio => 0,	3546	prio => 0,
2934	data => WF_AUTOCANCEL,	3547	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,	3548	cb => \&BDB::poll_cb,
2936	);	3549	);
2937	BDB::min_parallel 8;
2938		3550
2939	BDB::set_sync_prepare {	3551	BDB::set_sync_prepare {
2940	my $status;	3552	my $status;
2941	my $current = $Coro::current;	3553	my $current = $Coro::current;
2942	(	3554	(
…		…
2951	)	3563	)
2952	};	3564	};
2953		3565
2954	unless ($DB_ENV) {	3566	unless ($DB_ENV) {
2955	$DB_ENV = BDB::db_env_create;	3567	$DB_ENV = BDB::db_env_create;
		3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
		3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2956		3572
2957	cf::sync_job {	3573	cf::sync_job {
2958	eval {	3574	eval {
2959	BDB::db_env_open	3575	BDB::db_env_open
2960	$DB_ENV,	3576	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	3580	0666;
2965		3581
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3582	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	3583	};
2971		3584
2972	cf::cleanup "db_env_open(db): $@" if $@;	3585	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	3586	};
2974	}	3587	}
		3588
		3589	$BDB_DEADLOCK_WATCHER = Event->timer (
		3590	after => 3,
		3591	interval => 1,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3597	},
		3598	);
		3599	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3600	after => 11,
		3601	interval => 60,
		3602	hard => 1,
		3603	prio => 0,
		3604	data => WF_AUTOCANCEL,
		3605	cb => sub {
		3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3607	},
		3608	);
		3609	$BDB_TRICKLE_WATCHER = Event->timer (
		3610	after => 5,
		3611	interval => 10,
		3612	hard => 1,
		3613	prio => 0,
		3614	data => WF_AUTOCANCEL,
		3615	cb => sub {
		3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3617	},
		3618	);
2975	}	3619	}
2976		3620
2977	{	3621	{
2978	IO::AIO::min_parallel 8;	3622	IO::AIO::min_parallel 8;
2979		3623
…		…
2982	$AIO_POLL_WATCHER = Event->io (	3626	$AIO_POLL_WATCHER = Event->io (
2983	reentrant => 0,	3627	reentrant => 0,
2984	data => WF_AUTOCANCEL,	3628	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,	3629	fd => IO::AIO::poll_fileno,
2986	poll => 'r',	3630	poll => 'r',
2987	prio => 6,	3631	prio => 0,
2988	cb => \&IO::AIO::poll_cb,	3632	cb => \&IO::AIO::poll_cb,
2989	);	3633	);
2990	}	3634	}
2991		3635
2992	my $_log_backtrace;	3636	my $_log_backtrace;
…		…
2998		3642
2999	# limit the # of concurrent backtraces	3643	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	3644	if ($_log_backtrace < 2) {
3001	++$_log_backtrace;	3645	++$_log_backtrace;
3002	async {	3646	async {
		3647	$Coro::current->{desc} = "abt $msg";
		3648
3003	my @bt = fork_call {	3649	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	3650	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3651	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3652	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3007	or die "addr2line: $!";	3653	or die "addr2line: $!";

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