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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 1.379 by root, Thu Oct 4 23:59:07 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.
…		…
337	my $time = Event::time;	427	my $time = Event::time;
338		428
339	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
341		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
342	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	435	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
345		437
346	my $busy = 1;	438	my $busy = 1;
347	my @res;	439	my @res;
348		440
349	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	443	@res = eval { $job->() };
351	warn $@ if $@;	444	warn $@ if $@;
352	undef $busy;	445	undef $busy;
353	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
354		447
…		…
389	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
390		483
391	$coro	484	$coro
392	}	485	}
393		486
394	sub write_runtime {	487	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		488
397	# first touch the runtime file to show we are still running:	489	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
399		493
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	494	=cut
401	utime undef, undef, $fh;	495
		496	sub fork_call(&@) {
		497	my ($cb, @args) = @_;
		498
		499	# we seemingly have to make a local copy of the whole thing,
		500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
		502
		503	my @res = Coro::Util::fork_eval {
		504	reset_signals;
		505	&$cb
		506	}, @args;
		507
		508	wantarray ? @res : $res[-1]
		509	}
		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
402	}	538	};
		539	cf::cleanup "db_open(db): $@" if $@;
403		540
404	my $guard = cf::lock_acquire "write_runtime";	541	$db
		542	}
405		543
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	our $DB;
407	or return;
408		545
409	my $value = $cf::RUNTIME + 90 + 10;	546	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	547	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	548	$DB ||= db_table "db";
		549	};
		550	}
412		551
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	sub db_get($$) {
414	and return;	553	my $key = "$_[0]/$_[1]";
415		554
416	# always fsync - this file is important	555	cf::sync_job {
417	aio_fsync $fh	556	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		557
420	# touch it again to show we are up-to-date	558	$! ? ()
421	utime undef, undef, $fh;	559	: $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	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
432	}	636	}
433		637
434	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
435		639
436	Log a datalog packet of the given type with the given key-value pairs.	640	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")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
456		660
457	In the following description, CLASS can be any of C<global>, C<object>	661	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	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	663	Crossfire TRT).
460		664
461	=over 4	665	=over 4
462		666
463	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
464		668
…		…
666	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
667	}	871	}
668		872
669	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
670	} else {	874	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	876	}
673		877
674	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
675	}	879	}
676		880
…		…
716	";	920	";
717	die if $@;	921	die if $@;
718	}	922	}
719		923
720	our $override;	924	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		926
723	sub override {	927	sub override {
724	$override = 1;	928	$override = 1;
725	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
726	}	930	}
727		931
728	sub do_invoke {	932	sub do_invoke {
729	my $event = shift;	933	my $event = shift;
730	my $callbacks = shift;	934	my $callbacks = shift;
731		935
732	@invoke_results = ();	936	@INVOKE_RESULTS = ();
733		937
734	local $override;	938	local $override;
735		939
736	for (@$callbacks) {	940	for (@$callbacks) {
737	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
754		958
755	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
756		960
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	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	962	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		964
761	=back	965	=back
762		966
763	=cut	967	=cut
764		968
765	#############################################################################	969	#############################################################################
766	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
767		982
768	sub reattach {	983	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	985	my ($obj) = @_;
771		986
…		…
818	sub object_freezer_save {	1033	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
820		1035
821	sync_job {	1036	sync_job {
822	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
825		1041
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
…		…
848	}	1064	}
849	} else {	1065	} else {
850	aio_unlink $filename;	1066	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
852	}	1068	}
853	}	1069	};
854	}	1070	}
855		1071
856	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
858		1074
…		…
870	or return;	1086	or return;
871		1087
872	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
874	or return;	1090	or return;
		1091
875	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
876	}	1093	}
877		1094
		1095	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1097	$decname, length $data, scalar @{$av || []};
		1098
880	return ($data, $av);	1099	($data, $av)
881	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
882		1107
883	#############################################################################	1108	#############################################################################
884	# command handling &c	1109	# command handling &c
885		1110
886	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1125	}
901		1126
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1128
904	Register a callbackf ro execution when the client sends an extcmd packet.	1129	Register a callback for execution when the client sends an (synchronous)
		1130	extcmd packet. Ext commands will be processed in the order they are
		1131	received by the server, like other user commands. The first argument is
		1132	the logged-in player. Ext commands can only be processed after a player
		1133	has logged in successfully.
905		1134
906	If the callback returns something, it is sent back as if reply was being	1135	If the callback returns something, it is sent back as if reply was being
907	called.	1136	called.
908		1137
		1138	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1139
		1140	Register a callback for execution when the client sends an (asynchronous)
		1141	exticmd packet. Exti commands are processed by the server as soon as they
		1142	are received, i.e. out of order w.r.t. other commands. The first argument
		1143	is a client socket. Exti commands can be received anytime, even before
		1144	log-in.
		1145
		1146	If the callback returns something, it is sent back as if reply was being
		1147	called.
		1148
909	=cut	1149	=cut
910		1150
911	sub register_extcmd {	1151	sub register_extcmd {
912	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
913		1153
914	$EXTCMD{$name} = $cb;	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
915	}	1161	}
916		1162
917	cf::player->attach (	1163	cf::player->attach (
918	on_command => sub {	1164	on_command => sub {
919	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1174	cf::override;
929	},	1175	},
930	on_extcmd => sub {	1176	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
932		1178
933	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1180
935	if (ref $msg) {	1181	if (ref $msg) {
		1182	my ($type, $reply, @payload) =
		1183	"ARRAY" eq ref $msg
		1184	? @$msg
		1185	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1186
		1187	my @reply;
		1188
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
941	} else {	1196	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1198	}
944		1199
945	cf::override;	1200	cf::override;
946	},	1201	},
947	);	1202	);
948		1203
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 {	1204	sub load_extensions {
		1205	cf::sync_job {
		1206	my %todo;
		1207
984	for my $ext (<$LIBDIR/*.ext>) {	1208	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1209	next unless -r $path;
986	eval {	1210
987	load_extension $ext;	1211	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1212	my $base = $1;
		1213	my $pkg = $1;
		1214	$pkg =~ s/[^[:word:]]/_/g;
		1215	$pkg = "ext::$pkg";
		1216
		1217	open my $fh, "<:utf8", $path
		1218	or die "$path: $!";
		1219
		1220	my $source = do { local $/; <$fh> };
		1221
		1222	my %ext = (
		1223	path => $path,
		1224	base => $base,
		1225	pkg => $pkg,
		1226	);
		1227
		1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1230
		1231	$ext{source} =
		1232	"package $pkg; use strict; use utf8;\n"
		1233	. "#line 1 \"$path\"\n{\n"
		1234	. $source
		1235	. "\n};\n1";
		1236
		1237	$todo{$base} = \%ext;
		1238	}
		1239
		1240	my %done;
		1241	while (%todo) {
		1242	my $progress;
		1243
		1244	while (my ($k, $v) = each %todo) {
		1245	for (split /,\s*/, $v->{meta}{depends}) {
		1246	goto skip
		1247	unless exists $done{$_};
		1248	}
		1249
		1250	warn "... loading '$k' into '$v->{pkg}'\n";
		1251
		1252	unless (eval $v->{source}) {
		1253	my $msg = $@ ? "$v->{path}: $@\n"
		1254	: "$v->{base}: extension inactive.\n";
		1255
		1256	if (exists $v->{meta}{mandatory}) {
		1257	warn $msg;
		1258	warn "mandatory extension failed to load, exiting.\n";
		1259	exit 1;
		1260	}
		1261
		1262	warn $msg;
		1263	}
		1264
		1265	$done{$k} = delete $todo{$k};
		1266	push @EXTS, $v->{pkg};
		1267	$progress = 1;
988	1	1268	}
989	} or warn "$ext not loaded: $@";	1269
		1270	skip:
		1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1272	unless $progress;
		1273	}
990	}	1274	};
991	}	1275	}
992		1276
993	#############################################################################	1277	#############################################################################
994		1278
		1279	=back
		1280
995	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
996		1282
997	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
998		1284
999	=cut	1285	=cut
…		…
1003	use Coro::AIO;	1289	use Coro::AIO;
1004		1290
1005	=head3 cf::player	1291	=head3 cf::player
1006		1292
1007	=over 4	1293	=over 4
		1294
		1295	=item cf::player::num_playing
		1296
		1297	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1298
		1299	=cut
		1300
		1301	sub num_playing {
		1302	scalar grep
		1303	$_->ob->map
		1304	&& !$_->hidden
		1305	&& !$_->ob->flag (cf::FLAG_WIZ),
		1306	cf::player::list
		1307	}
1008		1308
1009	=item cf::player::find $login	1309	=item cf::player::find $login
1010		1310
1011	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
1012		1312
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1351	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1352
1053	my $pl = load_pl path $login	1353	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1354	or return;
		1355
		1356	my $pl = cf::player::load_pl $f
		1357	or return;
		1358	local $cf::PLAYER_LOADING{$login} = $pl;
		1359	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
1056	}	1361	}
1057	}	1362	}
1058	}	1363	}
1059		1364
…		…
1069		1374
1070	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
1072		1377
1073	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
1074	Coro::cede;	1379	cf::cede_to_tick;
1075	}	1380	}
1076		1381
1077	sub new($) {	1382	sub new($) {
1078	my ($login) = @_;	1383	my ($login) = @_;
1079		1384
…		…
1083	$self->{deny_save} = 1;	1388	$self->{deny_save} = 1;
1084		1389
1085	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1086		1391
1087	$self	1392	$self
		1393	}
		1394
		1395	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1396
		1397	=cut
		1398
		1399	sub send_msg {
		1400	my $ns = shift->ns
		1401	or return;
		1402	$ns->send_msg (@_);
1088	}	1403	}
1089		1404
1090	=item $pl->quit_character	1405	=item $pl->quit_character
1091		1406
1092	Nukes the player without looking back. If logged in, the connection will	1407	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1462	or return [];
1148		1463
1149	my @logins;	1464	my @logins;
1150		1465
1151	for my $login (@$dirs) {	1466	for my $login (@$dirs) {
		1467	my $path = path $login;
		1468
		1469	# a .pst is a dead give-away for a valid player
		1470	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1155		1475
1156	utf8::decode $login;	1476	utf8::decode $login;
1157	push @logins, $login;	1477	push @logins, $login;
1158	}	1478	}
1159		1479
…		…
1186	}	1506	}
1187		1507
1188	\@paths	1508	\@paths
1189	}	1509	}
1190		1510
		1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1512
		1513	Expand crossfire pod fragments into protocol xml.
		1514
		1515	=cut
		1516
		1517	sub expand_cfpod {
		1518	((my $self), (local $_)) = @_;
		1519
		1520	# escape & and <
		1521	s/&/&amp;/g;
		1522	s/(?<![BIUGHT])</&lt;/g;
		1523
		1524	# this is buggy, it needs to properly take care of nested <'s
		1525
		1526	1 while
		1527	# replace B<>, I<>, U<> etc.
		1528	s/B<([^\>]*)>/<b>$1<\/b>/
		1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1532	# replace G<male|female> tags
		1533	|| s{G<([^>|]*)\|([^>]*)>}{
		1534	$self->gender ? $2 : $1
		1535	}ge
		1536	# replace H<hint text>
		1537	|| s{H<([^\>]*)>}
		1538	{
		1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1541	"")
		1542	[$self->{hintmode}]
		1543	}ge;
		1544
		1545	# create single paragraphs (very hackish)
		1546	s/(?<=\S)\n(?=\w)/ /g;
		1547
		1548	# compress some whitespace
		1549	s/\s+\n/\n/g; # ws line-ends
		1550	s/\n\n+/\n/g; # double lines
		1551	s/^\n+//; # beginning lines
		1552	s/\n+$//; # ending lines
		1553
		1554	$_
		1555	}
		1556
		1557	sub hintmode {
		1558	$_[0]{hintmode} = $_[1] if @_ > 1;
		1559	$_[0]{hintmode}
		1560	}
		1561
1191	=item $player->ext_reply ($msgid, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1192		1563
1193	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1194		1565
1195	=cut	1566	=cut
1196		1567
1197	sub ext_reply($$%) {	1568	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1199		1570
1200	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1572	}
1204		1573
1205	=item $player->ext_event ($type, %msg)	1574	=item $player->ext_msg ($type, @msg)
1206		1575
1207	Sends an ext event to the client.	1576	Sends an ext event to the client.
1208		1577
1209	=cut	1578	=cut
1210		1579
1211	sub ext_event($$%) {	1580	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1581	my ($self, $type, @msg) = @_;
1213		1582
1214	$self->ns->ext_event ($type, %msg);	1583	$self->ns->ext_msg ($type, @msg);
1215	}	1584	}
1216		1585
1217	=head3 cf::region	1586	=head3 cf::region
1218		1587
1219	=over 4	1588	=over 4
…		…
1222		1591
1223	package cf::region;	1592	package cf::region;
1224		1593
1225	=item cf::region::find_by_path $path	1594	=item cf::region::find_by_path $path
1226		1595
1227	Tries to decuce the probable region for a map knowing only its path.	1596	Tries to decuce the likely region for a map knowing only its path.
1228		1597
1229	=cut	1598	=cut
1230		1599
1231	sub find_by_path($) {	1600	sub find_by_path($) {
1232	my ($path) = @_;	1601	my ($path) = @_;
1233		1602
1234	my ($match, $specificity);	1603	my ($match, $specificity);
1235		1604
1236	for my $region (list) {	1605	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1606	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1607	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1608	if $region->specificity > $specificity;
1240	}	1609	}
1241	}	1610	}
1242		1611
…		…
1306	my ($self, $merge) = @_;	1675	my ($self, $merge) = @_;
1307		1676
1308	# we have to keep some variables in memory intact	1677	# we have to keep some variables in memory intact
1309	local $self->{path};	1678	local $self->{path};
1310	local $self->{load_path};	1679	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1680
1314	$self->SUPER::thawer_merge ($merge);	1681	$self->SUPER::thawer_merge ($merge);
1315	}	1682	}
1316		1683
1317	sub normalise {	1684	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1731	$self->init; # pass $1 etc.
1365	return $self;	1732	return $self;
1366	}	1733	}
1367	}	1734	}
1368		1735
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1737	()
1371	}	1738	}
1372		1739
1373	sub init {	1740	sub init {
1374	my ($self) = @_;	1741	my ($self) = @_;
…		…
1417		1784
1418	$_->change_map_light ($change)	1785	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1786	for grep $_->outdoor, values %cf::MAP;
1420	}	1787	}
1421		1788
		1789	sub decay_objects {
		1790	my ($self) = @_;
		1791
		1792	return if $self->{deny_reset};
		1793
		1794	$self->do_decay_objects;
		1795	}
		1796
1422	sub unlink_save {	1797	sub unlink_save {
1423	my ($self) = @_;	1798	my ($self) = @_;
1424		1799
1425	utf8::encode (my $save = $self->save_path);	1800	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1801	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1804
1430	sub load_header_from($) {	1805	sub load_header_from($) {
1431	my ($self, $path) = @_;	1806	my ($self, $path) = @_;
1432		1807
1433	utf8::encode $path;	1808	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1810	or return;
		1811
		1812	$self->_load_header ($f)
		1813	or return;
		1814
		1815	local $MAP_LOADING{$self->{path}} = $self;
		1816	$f->resolve_delayed_derefs;
1439		1817
1440	$self->{load_path} = $path;	1818	$self->{load_path} = $path;
1441		1819
1442	1	1820	1
1443	}	1821	}
…		…
1482	$self->load_header_orig	1860	$self->load_header_orig
1483	or return;	1861	or return;
1484	$self->prepare_orig;	1862	$self->prepare_orig;
1485	}	1863	}
1486		1864
		1865	$self->{deny_reset} = 1
		1866	if $self->no_reset;
		1867
1487	$self->default_region (cf::region::find_by_path $self->{path})	1868	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1869	unless $self->default_region;
1489		1870
1490	1	1871	1
1491	}	1872	}
…		…
1494	sub find {	1875	sub find {
1495	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1496		1877
1497	$path = normalise $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1498		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1881	cf::lock_wait "map_find:$path";
1500		1882
1501	$cf::MAP{$path} || do {	1883	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1884	my $guard1 = cf::lock_acquire "map_find:$path";
		1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1886
1503	my $map = new_from_path cf::map $path	1887	my $map = new_from_path cf::map $path
1504	or return;	1888	or return;
1505		1889
1506	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1507		1891
1508	$map->load_header	1892	$map->load_header
1509	or return;	1893	or return;
1510		1894
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1896	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1514	$map->reset;	1900	$map->reset;
1515	undef $guard;
1516	return find $path;	1901	return find $path;
1517	}	1902	}
1518		1903
1519	$cf::MAP{$path} = $map	1904	$cf::MAP{$path} = $map
1520	}	1905	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1914	local $self->{deny_reset} = 1; # loading can take a long time
1530		1915
1531	my $path = $self->{path};	1916	my $path = $self->{path};
1532		1917
1533	{	1918	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1919	my $guard = cf::lock_acquire "map_data:$path";
1535		1920
		1921	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1923
1538	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1539		1925
1540	$self->alloc;	1926	$self->alloc;
1541		1927
1542	$self->pre_load;	1928	$self->pre_load;
1543	Coro::cede;	1929	cf::cede_to_tick;
1544		1930
		1931	my $f = new_from_file cf::object::thawer $self->{load_path};
		1932	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	1933	$self->_load_objects ($f)
1546	or return;	1934	or return;
1547		1935
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	1937	if delete $self->{load_original};
1550		1938
1551	if (my $uniq = $self->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	1940	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	1943	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1556	}	1947	}
1557	}	1948	}
1558		1949
1559	Coro::cede;	1950	$f->resolve_delayed_derefs;
		1951
		1952	cf::cede_to_tick;
1560	# now do the right thing for maps	1953	# now do the right thing for maps
1561	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1955	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1956	unless $self->difficulty;
1564	Coro::cede;	1957	cf::cede_to_tick;
1565		1958
1566	unless ($self->{deny_activate}) {	1959	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1960	$self->decay_objects;
1568	$self->fix_auto_apply;	1961	$self->fix_auto_apply;
1569	$self->update_buttons;	1962	$self->update_buttons;
1570	Coro::cede;	1963	cf::cede_to_tick;
1571	$self->set_darkness_map;	1964	$self->set_darkness_map;
1572	Coro::cede;	1965	cf::cede_to_tick;
1573	$self->activate;	1966	$self->activate;
1574	}	1967	}
		1968
		1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
1575		1971
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1972	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1973	}
1578		1974
1579	$self->post_load;	1975	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	1979	my ($self, $ob) = @_;
1584		1980
1585	return find "~" . $ob->name . "/" . $self->{path}	1981	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1982	if $self->per_player;
1587		1983
		1984	# return find "?party/" . $ob->name . "/" . $self->{path}
		1985	# if $self->per_party;
		1986
1588	$self	1987	$self
1589	}	1988	}
1590		1989
1591	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1991	sub load_neighbours {
1593	my ($map) = @_;	1992	my ($map) = @_;
1594		1993
1595	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1596		1995
1597	for (0 .. 3) {	1996	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1599	or next;	1998	or next;
1600	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1601	or next;	2000	or next;
1602	$neigh->load;	2001	$neigh->load;
1603		2002
		2003	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2006	}
1607		2007
1608	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1610	or next;	2011	or next;
1611	$neigh->load;	2012	$neigh->load;
1612	}	2013	}
1613	}	2014	}
1614		2015
…		…
1619	}	2020	}
1620		2021
1621	sub do_load_sync {	2022	sub do_load_sync {
1622	my ($map) = @_;	2023	my ($map) = @_;
1623		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1624	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1625	}	2029	}
1626		2030
1627	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2032	our $MAP_PREFETCHER = undef;
1629		2033
1630	sub find_async {	2034	sub find_async {
1631	my ($path, $origin) = @_;	2035	my ($path, $origin, $load) = @_;
1632		2036
1633	$path = normalise $path, $origin && $origin->{path};	2037	$path = normalise $path, $origin && $origin->{path};
1634		2038
1635	if (my $map = $cf::MAP{$path}) {	2039	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2041	}
1638		2042
1639	undef $MAP_PREFETCH{$path};	2043	$MAP_PREFETCH{$path} |= $load;
		2044
1640	$MAP_PREFETCHER ||= cf::async {	2045	$MAP_PREFETCHER ||= cf::async {
		2046	$Coro::current->{desc} = "map prefetcher";
		2047
1641	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2050	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2051	$map->load if $v;
		2052	}
1646		2053
1647	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1648	}	2055	}
1649	}	2056	}
1650	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1651	};	2058	};
1652	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2062	}
1656		2063
1657	sub save {	2064	sub save {
1658	my ($self) = @_;	2065	my ($self) = @_;
1659		2066
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2068
1662	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1663		2070
1664	return unless $self->dirty;	2071	return unless $self->dirty;
1665		2072
…		…
1671	return if $self->{deny_save};	2078	return if $self->{deny_save};
1672		2079
1673	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1674		2081
1675	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1677	};	2085	};
1678		2086
1679	if ($uniq) {	2087	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2096	my ($self) = @_;
1689		2097
1690	# save first because save cedes	2098	# save first because save cedes
1691	$self->save;	2099	$self->save;
1692		2100
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2102
1695	return if $self->players;	2103	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2105	return if $self->{deny_save};
1698		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2111	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2112	}
1702		2113
1703	sub reset_at {	2114	sub reset_at {
1704	my ($self) = @_;	2115	my ($self) = @_;
1705		2116
1706	# TODO: safety, remove and allow resettable per-player maps	2117	# 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};	2118	return 1e99 if $self->{deny_reset};
1709		2119
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2122
…		…
1723	my ($self) = @_;	2133	my ($self) = @_;
1724		2134
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2136
1727	return if $self->players;	2137	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2138
1730	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1731		2140
1732	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1733		2142
1734	# need to save uniques path	2143	# need to save uniques path
1735	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2148	if $uniq;
1740	}	2149	}
1741		2150
1742	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1743		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2155	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2156
1748	$self->unlink_save;	2157	$self->unlink_save;
1749	$self->destroy;	2158	$self->destroy;
1750	}	2159	}
1751		2160
1752	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1753		2162
1754	sub nuke {	2163	sub nuke {
1755	my ($self) = @_;	2164	my ($self) = @_;
1756		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1757	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1758		2170
1759	$self->unlink_save;	2171	$self->unlink_save;
1760		2172
1761	bless $self, "cf::map";	2173	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2178
1767	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1768		2181
1769	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1770	}	2219	}
1771		2220
1772	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1773		2222
1774	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2224	instantiated unique items. May block.
1776		2225
1777	=cut	2226	=cut
1778		2227
1779	sub unique_maps() {	2228	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2229	[
1781	or return;	2230	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2231	utf8::decode $_;
1787	next if /\.pst$/;	2232	/\.map$/
1788	next unless /^$PATH_SEP/o;	2233	? normalise $_
1789		2234	: ()
1790	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2236	]
1792
1793	\@paths
1794	}	2237	}
1795		2238
1796	package cf;	2239	package cf;
1797		2240
1798	=back	2241	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1817	}	2260	}
1818		2261
1819	sub inv_recursive {	2262	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2281	my ($uuid, $name) = ($1, $2);
		2282	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2283	or return;
		2284	$pl->ob->uuid eq $uuid
		2285	or return;
		2286
		2287	$pl->ob
		2288	} else {
		2289	warn "$ref: cannot resolve object reference\n";
		2290	undef
		2291	}
1821	}	2292	}
1822		2293
1823	package cf;	2294	package cf;
1824		2295
1825	=back	2296	=back
…		…
1844		2315
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2317
1847	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1849	} else {	2321	} else {
		2322	my $pl = $self->contr;
		2323
		2324	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2325	my $dialog = $pl->{npc_dialog};
		2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2327
		2328	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1852	}	2332	}
		2333	}
		2334
		2335	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2336
		2337	=cut
		2338
		2339	sub cf::object::send_msg {
		2340	my $pl = shift->contr
		2341	or return;
		2342	$pl->send_msg (@_);
1853	}	2343	}
1854		2344
1855	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1856		2346
1857	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
1936	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
1939		2429
1940	$map->load;	2430	$map->load;
1941	$map->load_diag;	2431	$map->load_neighbours;
1942		2432
1943	return unless $self->contr->active;	2433	return unless $self->contr->active;
1944	$self->activate_recursive;	2434	$self->activate_recursive;
1945		2435
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
1948	}	2438	}
1949		2439
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951		2441
1952	Moves the player to the given map-path and coordinates by first freezing	2442	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	2443	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	2444	that has to return the map if sucecssful, and then unfreezes the player on
1955	the new (success) or old (failed) map position.	2445	the new (success) or old (failed) map position. In either case, $done will
		2446	be called at the end of this process.
1956		2447
1957	=cut	2448	=cut
1958		2449
1959	our $GOTOGEN;	2450	our $GOTOGEN;
1960		2451
1961	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2453	my ($self, $path, $x, $y, $check, $done) = @_;
1963		2454
1964	# do generation counting so two concurrent goto's will be executed in-order	2455	# do generation counting so two concurrent goto's will be executed in-order
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2456	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2457
1967	$self->enter_link;	2458	$self->enter_link;
1968		2459
1969	(async {	2460	(async {
		2461	$Coro::current->{desc} = "player::goto $path $x $y";
		2462
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1970	my $map = eval {	2482	my $map = eval {
1971	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
1972		2484
1973	if ($map) {	2485	if ($map) {
1974	$map = $map->customise_for ($self);	2486	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2487	$map = $check->($map) if $check && $map;
1976	} else {	2488	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2490	}
1979		2491
1980	$map	2492	$map
1981	};	2493	};
1982		2494
…		…
1987		2499
1988	if ($gen == $self->{_goto_generation}) {	2500	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2501	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
1991	}	2503	}
		2504
		2505	$done->() if $done;
1992	})->prio (1);	2506	})->prio (1);
1993	}	2507	}
1994		2508
1995	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1996		2510
…		…
2065	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
2067		2581
2068	$self->enter_link;	2582	$self->enter_link;
2069		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
2070	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
2071	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
2072	unless (eval {	2592	unless (eval {
2073	$self->goto ($slaying, $hp, $sp);	2593	$self->goto ($slaying, $hp, $sp);
2074		2594
2075	1;	2595	1;
…		…
2101		2621
2102	utf8::encode $text;	2622	utf8::encode $text;
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2623	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2104	}	2624	}
2105		2625
		2626	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2627
		2628	Send a drawinfo or msg packet to the client, formatting the msg for the
		2629	client if neccessary. C<$type> should be a string identifying the type of
		2630	the message, with C<log> being the default. If C<$color> is negative, suppress
		2631	the message unless the client supports the msg packet.
		2632
		2633	=cut
		2634
		2635	our %CHANNEL = (
		2636	"c/identify" => {
		2637	id => "infobox",
		2638	title => "Identify",
		2639	reply => undef,
		2640	tooltip => "Items recently identified",
		2641	},
		2642	"c/examine" => {
		2643	id => "infobox",
		2644	title => "Examine",
		2645	reply => undef,
		2646	tooltip => "Signs and other items you examined",
		2647	},
		2648	"c/lookat" => {
		2649	id => "infobox",
		2650	title => "Look",
		2651	reply => undef,
		2652	tooltip => "What you saw there",
		2653	},
		2654	);
		2655
		2656	sub cf::client::send_msg {
		2657	my ($self, $channel, $msg, $color, @extra) = @_;
		2658
		2659	$msg = $self->pl->expand_cfpod ($msg);
		2660
		2661	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2662
		2663	# check predefined channels, for the benefit of C
		2664	if ($CHANNEL{$channel}) {
		2665	$channel = $CHANNEL{$channel};
		2666
		2667	$self->ext_msg (channel_info => $channel)
		2668	if $self->can_msg;
		2669
		2670	$channel = $channel->{id};
		2671
		2672	} elsif (ref $channel) {
		2673	# send meta info to client, if not yet sent
		2674	unless (exists $self->{channel}{$channel->{id}}) {
		2675	$self->{channel}{$channel->{id}} = $channel;
		2676	$self->ext_msg (channel_info => $channel)
		2677	if $self->can_msg;
		2678	}
		2679
		2680	$channel = $channel->{id};
		2681	}
		2682
		2683	return unless @extra || length $msg;
		2684
		2685	if ($self->can_msg) {
		2686	# default colour, mask it out
		2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2688	if $color & cf::NDI_DEF;
		2689
		2690	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2692	} else {
		2693	if ($color >= 0) {
		2694	# replace some tags by gcfclient-compatible ones
		2695	for ($msg) {
		2696	1 while
		2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2702	}
		2703
		2704	$color &= cf::NDI_COLOR_MASK;
		2705
		2706	utf8::encode $msg;
		2707
		2708	if (0 && $msg =~ /\[/) {
		2709	# COMMAND/INFO
		2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2711	} else {
		2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2713	$self->send_packet ("drawinfo $color $msg")
		2714	}
		2715	}
		2716	}
		2717	}
		2718
2106	=item $client->ext_event ($type, %msg)	2719	=item $client->ext_msg ($type, @msg)
2107		2720
2108	Sends an exti event to the client.	2721	Sends an ext event to the client.
2109		2722
2110	=cut	2723	=cut
2111		2724
2112	sub cf::client::ext_event($$%) {	2725	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	2726	my ($self, $type, @msg) = @_;
2114		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	2731	push @msg, msgtype => "event_$type";
2116	$self->send_packet ("ext " . cf::to_json \%msg);	2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
		2735
		2736	=item $client->ext_reply ($msgid, @msg)
		2737
		2738	Sends an ext reply to the client.
		2739
		2740	=cut
		2741
		2742	sub cf::client::ext_reply($$@) {
		2743	my ($self, $id, @msg) = @_;
		2744
		2745	if ($self->extcmd == 2) {
		2746	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2747	} elsif ($self->extcmd == 1) {
		2748	#TODO: version 1, remove
		2749	unshift @msg, msgtype => "reply", msgid => $id;
		2750	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2751	}
2117	}	2752	}
2118		2753
2119	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
2120		2755
2121	Queues a query to the client, calling the given callback with	2756	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>,	2757	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>.	2758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124		2759
2125	Queries can fail, so check the return code. Or don't, as queries will become	2760	Queries can fail, so check the return code. Or don't, as queries will
2126	reliable at some point in the future.	2761	become reliable at some point in the future.
2127		2762
2128	=cut	2763	=cut
2129		2764
2130	sub cf::client::query {	2765	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	2774	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		2776
2142	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
2144	}	2781	}
2145		2782
2146	cf::client->attach (	2783	cf::client->attach (
		2784	on_connect => sub {
		2785	my ($ns) = @_;
		2786
		2787	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2788	},
2147	on_reply => sub {	2789	on_reply => sub {
2148	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
2149		2791
2150	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
2151	# get handled first	2793	# get handled first
…		…
2163	} else {	2805	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	2807	}
2166	}	2808	}
2167	},	2809	},
		2810	on_exticmd => sub {
		2811	my ($ns, $buf) = @_;
		2812
		2813	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2814
		2815	if (ref $msg) {
		2816	my ($type, $reply, @payload) =
		2817	"ARRAY" eq ref $msg
		2818	? @$msg
		2819	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2820
		2821	my @reply;
		2822
		2823	if (my $cb = $EXTICMD{$type}) {
		2824	@reply = $cb->($ns, @payload);
		2825	}
		2826
		2827	$ns->ext_reply ($reply, @reply)
		2828	if $reply;
		2829
		2830	} else {
		2831	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2832	}
		2833
		2834	cf::override;
		2835	},
2168	);	2836	);
2169		2837
2170	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
2171		2839
2172	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
2213	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
2215		2883
2216	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
2217		2885
2218	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2886	$safe->permit_only (Opcode::opset qw(
		2887	:base_core :base_mem :base_orig :base_math
		2888	grepstart grepwhile mapstart mapwhile
		2889	sort time
		2890	));
2219		2891
2220	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2221		2893
2222	=pod	2894	=pod
2223		2895
2224	The following functions and methods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2225		2897
2226	cf::object contr pay_amount pay_player map	2898	cf::object
		2899	contr pay_amount pay_player map x y force_find force_add
		2900	insert remove name archname title slaying race decrease_ob_nr
		2901
2227	cf::object::player player	2902	cf::object::player
2228	cf::player peaceful	2903	player
2229	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2230		2910
2231	=cut	2911	=cut
2232		2912
2233	for (	2913	for (
2234	["cf::object" => qw(contr pay_amount pay_player map)],	2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2915	insert remove inv name archname title slaying race
		2916	decrease_ob_nr)],
2235	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2237	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2238	) {	2920	) {
2239	no strict 'refs';	2921	no strict 'refs';
…		…
2310	=back	2992	=back
2311		2993
2312	=cut	2994	=cut
2313		2995
2314	#############################################################################	2996	#############################################################################
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 $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487
2488	#############################################################################
2489	# the server's init and main functions	2997	# the server's init and main functions
2490		2998
2491	sub load_facedata($) {	2999	sub load_facedata($) {
2492	my ($path) = @_;	3000	my ($path) = @_;
		3001
		3002	# HACK to clear player env face cache, we need some signal framework
		3003	# for this (global event?)
		3004	%ext::player_env::MUSIC_FACE_CACHE = ();
		3005
		3006	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2493		3007
2494	warn "loading facedata from $path\n";	3008	warn "loading facedata from $path\n";
2495		3009
2496	my $facedata;	3010	my $facedata;
2497	0 < aio_load $path, $facedata	3011	0 < aio_load $path, $facedata
…		…
2500	$facedata = Coro::Storable::thaw $facedata;	3014	$facedata = Coro::Storable::thaw $facedata;
2501		3015
2502	$facedata->{version} == 2	3016	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		3018
		3019	# patch in the exptable
		3020	$facedata->{resource}{"res/exp_table"} = {
		3021	type => FT_RSRC,
		3022	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3023	};
		3024	cf::cede_to_tick;
		3025
2505	{	3026	{
2506	my $faces = $facedata->{faceinfo};	3027	my $faces = $facedata->{faceinfo};
2507		3028
2508	while (my ($face, $info) = each %$faces) {	3029	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3031	cf::face::set_visibility $idx, $info->{visibility};
		3032	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2513	Coro::cede;	3035
		3036	cf::cede_to_tick;
2514	}	3037	}
2515		3038
2516	while (my ($face, $info) = each %$faces) {	3039	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3040	next unless $info->{smooth};
2518	my $idx = cf::face::find $face	3041	my $idx = cf::face::find $face
2519	or next;	3042	or next;
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3043	if (my $smooth = cf::face::find $info->{smooth}) {
		3044	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3046	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3048	}
2525	Coro::cede;	3049
		3050	cf::cede_to_tick;
2526	}	3051	}
2527	}	3052	}
2528		3053
2529	{	3054	{
2530	my $anims = $facedata->{animinfo};	3055	my $anims = $facedata->{animinfo};
2531		3056
2532	while (my ($anim, $info) = each %$anims) {	3057	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	3059	cf::cede_to_tick;
2535	}	3060	}
2536		3061
2537	cf::anim::invalidate_all; # d'oh	3062	cf::anim::invalidate_all; # d'oh
2538	}	3063	}
2539		3064
		3065	{
		3066	# TODO: for gcfclient pleasure, we should give resources
		3067	# that gcfclient doesn't grok a >10000 face index.
		3068	my $res = $facedata->{resource};
		3069
		3070	my $soundconf = delete $res->{"res/sound.conf"};
		3071
		3072	while (my ($name, $info) = each %$res) {
		3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3074	my $data;
		3075
		3076	if ($info->{type} & 1) {
		3077	# prepend meta info
		3078
		3079	my $meta = $enc->encode ({
		3080	name => $name,
		3081	%{ $info->{meta} || {} },
		3082	});
		3083
		3084	$data = pack "(w/a*)*", $meta, $info->{data};
		3085	} else {
		3086	$data = $info->{data};
		3087	}
		3088
		3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3090	cf::face::set_type $idx, $info->{type};
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	if ($soundconf) {
		3096	$soundconf = $enc->decode (delete $soundconf->{data});
		3097
		3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3099	my $sound = $soundconf->{compat}[$_]
		3100	or next;
		3101
		3102	my $face = cf::face::find "sound/$sound->[1]";
		3103	cf::sound::set $sound->[0] => $face;
		3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3105	}
		3106
		3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3108	my $face = cf::face::find "sound/$v";
		3109	cf::sound::set $k => $face;
		3110	}
		3111	}
		3112	}
		3113
2540	1	3114	1
2541	}	3115	}
2542		3116
		3117	register_exticmd fx_want => sub {
		3118	my ($ns, $want) = @_;
		3119
		3120	while (my ($k, $v) = each %$want) {
		3121	$ns->fx_want ($k, $v);
		3122	}
		3123	};
		3124
2543	sub reload_regions {	3125	sub reload_regions {
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
2544	load_resource_file "$MAPDIR/regions"	3130	load_resource_file "$MAPDIR/regions"
2545	or die "unable to load regions file\n";	3131	or die "unable to load regions file\n";
		3132
		3133	for (cf::region::list) {
		3134	$_->{match} = qr/$_->{match}/
		3135	if exists $_->{match};
		3136	}
2546	}	3137	}
2547		3138
2548	sub reload_facedata {	3139	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3140	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	3141	or die "unable to load facedata\n";
2551	}	3142	}
2552		3143
2553	sub reload_archetypes {	3144	sub reload_archetypes {
2554	load_resource_file "$DATADIR/archetypes"	3145	load_resource_file "$DATADIR/archetypes"
2555	or die "unable to load archetypes\n";	3146	or die "unable to load archetypes\n";
		3147	#d# NEED to laod twice to resolve forward references
		3148	# this really needs to be done in an extra post-pass
		3149	# (which needs to be synchronous, so solve it differently)
		3150	load_resource_file "$DATADIR/archetypes"
		3151	or die "unable to load archetypes\n";
2556	}	3152	}
2557		3153
2558	sub reload_treasures {	3154	sub reload_treasures {
2559	load_resource_file "$DATADIR/treasures"	3155	load_resource_file "$DATADIR/treasures"
2560	or die "unable to load treasurelists\n";	3156	or die "unable to load treasurelists\n";
…		…
2563	sub reload_resources {	3159	sub reload_resources {
2564	warn "reloading resource files...\n";	3160	warn "reloading resource files...\n";
2565		3161
2566	reload_regions;	3162	reload_regions;
2567	reload_facedata;	3163	reload_facedata;
		3164	#reload_archetypes;#d#
2568	reload_archetypes;	3165	reload_archetypes;
2569	reload_treasures;	3166	reload_treasures;
2570		3167
2571	warn "finished reloading resource files\n";	3168	warn "finished reloading resource files\n";
2572	}	3169	}
2573		3170
2574	sub init {	3171	sub init {
2575	reload_resources;	3172	reload_resources;
2576	}	3173	}
2577		3174
2578	sub cfg_load {	3175	sub reload_config {
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2580	or return;	3177	or return;
2581		3178
2582	local $/;	3179	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
…		…
2599	sub main {	3196	sub main {
2600	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2602	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2603	(async {	3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2604	Event::one_event;	3202	Event::one_event;
2605	})->prio (Coro::PRIO_MAX);	3203	})->prio (Coro::PRIO_MAX);
2606	};	3204	};
2607		3205
2608	cfg_load;	3206	reload_config;
2609	db_init;	3207	db_init;
2610	load_extensions;	3208	load_extensions;
2611		3209
2612	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
2613	Event::loop;	3211	Event::loop;
…		…
2629	},	3227	},
2630	);	3228	);
2631	}	3229	}
2632	}	3230	}
2633		3231
		3232	sub write_runtime {
		3233	my $runtime = "$LOCALDIR/runtime";
		3234
		3235	# first touch the runtime file to show we are still running:
		3236	# the fsync below can take a very very long time.
		3237
		3238	IO::AIO::aio_utime $runtime, undef, undef;
		3239
		3240	my $guard = cf::lock_acquire "write_runtime";
		3241
		3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3243	or return;
		3244
		3245	my $value = $cf::RUNTIME + 90 + 10;
		3246	# 10 is the runtime save interval, for a monotonic clock
		3247	# 60 allows for the watchdog to kill the server.
		3248
		3249	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3250	and return;
		3251
		3252	# always fsync - this file is important
		3253	aio_fsync $fh
		3254	and return;
		3255
		3256	# touch it again to show we are up-to-date
		3257	aio_utime $fh, undef, undef;
		3258
		3259	close $fh
		3260	or return;
		3261
		3262	aio_rename "$runtime~", $runtime
		3263	and return;
		3264
		3265	warn "runtime file written.\n";
		3266
		3267	1
		3268	}
		3269
2634	sub emergency_save() {	3270	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2636		3272
2637	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2638		3274
…		…
2713	%EXT_CORO = ();	3349	%EXT_CORO = ();
2714		3350
2715	warn "removing commands";	3351	warn "removing commands";
2716	%COMMAND = ();	3352	%COMMAND = ();
2717		3353
2718	warn "removing ext commands";	3354	warn "removing ext/exti commands";
2719	%EXTCMD = ();	3355	%EXTCMD = ();
		3356	%EXTICMD = ();
2720		3357
2721	warn "unloading/nuking all extensions";	3358	warn "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {	3359	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";	3360	warn "... unloading $pkg";
2724		3361
…		…
2767	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2768	require cf;	3405	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2770		3407
2771	warn "loading config and database again";	3408	warn "loading config and database again";
2772	cf::cfg_load;	3409	cf::reload_config;
2773		3410
2774	warn "loading extensions";	3411	warn "loading extensions";
2775	cf::load_extensions;	3412	cf::load_extensions;
2776		3413
2777	warn "reattaching attachments to objects/players";	3414	warn "reattaching attachments to objects/players";
…		…
2813	register_command "reload" => sub {	3450	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2815		3452
2816	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	3454	$who->message ("reloading server.");
		3455	async {
		3456	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	3457	reload_perl;
		3458	};
2819	}	3459	}
2820	};	3460	};
2821		3461
2822	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
2823		3463
…		…
2842	my $signal = new Coro::Signal;	3482	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	3483	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	3484	$signal->wait;
2845	}	3485	}
2846		3486
2847	my $min = 1e6;#d#
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (	3487	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,	3488	reentrant => 0,
2851	parked => 1,	3489	parked => 1,
2852	prio => 0,	3490	prio => 0,
2853	at => $NEXT_TICK || $TICK,	3491	at => $NEXT_TICK || $TICK,
…		…
2861		3499
2862	$NOW = $tick_start = Event::time;	3500	$NOW = $tick_start = Event::time;
2863		3501
2864	cf::server_tick; # one server iteration	3502	cf::server_tick; # one server iteration
2865		3503
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;	3504	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2891		3506
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {	3509	Coro::async_pool {
		3510	$Coro::current->{desc} = "runtime saver";
2895	write_runtime	3511	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";	3512	or warn "ERROR: unable to write runtime file: $!";
2897	};	3513	};
2898	}	3514	}
2899		3515
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	3517	$sig->send;
2905	}	3518	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	3519	while (my $sig = shift @WAIT_FOR_TICK) {
2907	$sig->send;	3520	$sig->send;
…		…
2917		3530
2918	$LOAD = ($NOW - $tick_start) / $TICK;	3531	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		3533
2921	_post_tick;	3534	_post_tick;
2922
2923
2924	},	3535	},
2925	);	3536	);
2926		3537
2927	{	3538	{
		3539	BDB::min_parallel 8;
2928	BDB::max_poll_time $TICK * 0.1;	3540	BDB::max_poll_time $TICK * 0.1;
2929	$BDB_POLL_WATCHER = Event->io (	3541	$BDB_POLL_WATCHER = Event->io (
2930	reentrant => 0,	3542	reentrant => 0,
2931	fd => BDB::poll_fileno,	3543	fd => BDB::poll_fileno,
2932	poll => 'r',	3544	poll => 'r',
2933	prio => 0,	3545	prio => 0,
2934	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,	3547	cb => \&BDB::poll_cb,
2936	);	3548	);
2937	BDB::min_parallel 8;
2938		3549
2939	BDB::set_sync_prepare {	3550	BDB::set_sync_prepare {
2940	my $status;	3551	my $status;
2941	my $current = $Coro::current;	3552	my $current = $Coro::current;
2942	(	3553	(
…		…
2951	)	3562	)
2952	};	3563	};
2953		3564
2954	unless ($DB_ENV) {	3565	unless ($DB_ENV) {
2955	$DB_ENV = BDB::db_env_create;	3566	$DB_ENV = BDB::db_env_create;
		3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3568	| BDB::LOG_AUTOREMOVE, 1);
		3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2956		3571
2957	cf::sync_job {	3572	cf::sync_job {
2958	eval {	3573	eval {
2959	BDB::db_env_open	3574	BDB::db_env_open
2960	$DB_ENV,	3575	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	3579	0666;
2965		3580
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3581	cf::cleanup "db_env_open($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	};	3582	};
2971		3583
2972	cf::cleanup "db_env_open(db): $@" if $@;	3584	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	3585	};
2974	}	3586	}
		3587
		3588	$BDB_DEADLOCK_WATCHER = Event->timer (
		3589	after => 3,
		3590	interval => 1,
		3591	hard => 1,
		3592	prio => 0,
		3593	data => WF_AUTOCANCEL,
		3594	cb => sub {
		3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3596	},
		3597	);
		3598	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3599	after => 11,
		3600	interval => 60,
		3601	hard => 1,
		3602	prio => 0,
		3603	data => WF_AUTOCANCEL,
		3604	cb => sub {
		3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3606	},
		3607	);
		3608	$BDB_TRICKLE_WATCHER = Event->timer (
		3609	after => 5,
		3610	interval => 10,
		3611	hard => 1,
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => sub {
		3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3616	},
		3617	);
2975	}	3618	}
2976		3619
2977	{	3620	{
2978	IO::AIO::min_parallel 8;	3621	IO::AIO::min_parallel 8;
2979		3622
…		…
2982	$AIO_POLL_WATCHER = Event->io (	3625	$AIO_POLL_WATCHER = Event->io (
2983	reentrant => 0,	3626	reentrant => 0,
2984	data => WF_AUTOCANCEL,	3627	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,	3628	fd => IO::AIO::poll_fileno,
2986	poll => 'r',	3629	poll => 'r',
2987	prio => 6,	3630	prio => 0,
2988	cb => \&IO::AIO::poll_cb,	3631	cb => \&IO::AIO::poll_cb,
2989	);	3632	);
2990	}	3633	}
2991		3634
2992	my $_log_backtrace;	3635	my $_log_backtrace;
…		…
2998		3641
2999	# limit the # of concurrent backtraces	3642	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	3643	if ($_log_backtrace < 2) {
3001	++$_log_backtrace;	3644	++$_log_backtrace;
3002	async {	3645	async {
		3646	$Coro::current->{desc} = "abt $msg";
		3647
3003	my @bt = fork_call {	3648	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	3649	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3650	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3651	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3007	or die "addr2line: $!";	3652	or die "addr2line: $!";

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