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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.386 by root, Mon Oct 15 17:50:27 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
206	}	218	}
207		219
208	$Event::DIED = sub {	220	$Event::DIED = sub {
209	warn "error in event callback: @_";	221	warn "error in event callback: @_";
210	};	222	};
		223
		224	#############################################################################
211		225
212	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
213		227
214	=over 4	228	=over 4
215		229
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	249	$d
236	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
237	}	251	}
238		252
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
242		254
243	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
244		256
245	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
246		258
247	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
248		267
249	=item cf::lock_wait $string	268	=item cf::lock_wait $string
250		269
251	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
252		271
…		…
255	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
258	returned.	277	returned.
259		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
260	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
262		284
263	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
264		286
265	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
266		288
267	=cut	289	=cut
268		290
269	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
270		293
271	sub lock_wait($) {	294	sub lock_wait($) {
272	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
273		301
274	# wait for lock, if any	302	# wait for lock, if any
275	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	305	Coro::schedule;
…		…
283		311
284	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
285	lock_wait $key;	313	lock_wait $key;
286		314
287	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
288		317
289	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
292	}	322	}
293	}	323	}
294		324
…		…
306	};	336	};
307	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
308	$guard	338	$guard
309	}	339	}
310		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
311	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
312		400
313	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
318		406
319	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
320		408
321	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
322		410
323	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
326		415
327	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
330	fast or be very important.	419	fast or be very important.
…		…
338	my $time = Event::time;	427	my $time = Event::time;
339		428
340	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
342		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
343	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	435	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
346		437
347	my $busy = 1;	438	my $busy = 1;
348	my @res;	439	my @res;
349		440
350	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	443	@res = eval { $job->() };
352	warn $@ if $@;	444	warn $@ if $@;
353	undef $busy;	445	undef $busy;
354	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
355		447
…		…
390	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
391		483
392	$coro	484	$coro
393	}	485	}
394		486
395	sub write_runtime {	487	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		488
398	# first touch the runtime file to show we are still running:	489	Executes the given code block with the given arguments in a seperate
399	# 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.
400		493
401	IO::AIO::aio_utime $runtime, undef, undef;	494	=cut
402		495
403	my $guard = cf::lock_acquire "write_runtime";	496	sub fork_call(&@) {
		497	my ($cb, @args) = @_;
404		498
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	499	# we seemingly have to make a local copy of the whole thing,
406	or return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
407		502
408	my $value = $cf::RUNTIME + 90 + 10;	503	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	504	reset_signals;
410	# 60 allows for the watchdog to kill the server.	505	&$cb
		506	}, @args;
411		507
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	508	wantarray ? @res : $res[-1]
413	and return;	509	}
414		510
415	# always fsync - this file is important	511	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		512
419	# touch it again to show we are up-to-date	513	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		514
422	close $fh	515	=item cf::db_put $family => $key => $value
423	or return;
424		516
425	aio_rename "$runtime~", $runtime	517	Stores the given C<$value> in the family. It can currently store binary
426	and return;	518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		519
428	warn "runtime file written.\n";	520	=item $db = cf::db_table "name"
429		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 $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
430	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"
431	}	636	}
432		637
433	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
434		639
435	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.
…		…
453	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")
454	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
455		660
456	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>
457	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
458	crossfire+).	663	Crossfire TRT).
459		664
460	=over 4	665	=over 4
461		666
462	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
463		668
…		…
665	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
666	}	871	}
667		872
668	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
669	} else {	874	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	876	}
672		877
673	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
674	}	879	}
675		880
…		…
715	";	920	";
716	die if $@;	921	die if $@;
717	}	922	}
718		923
719	our $override;	924	our $override;
720	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?
721		926
722	sub override {	927	sub override {
723	$override = 1;	928	$override = 1;
724	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
725	}	930	}
726		931
727	sub do_invoke {	932	sub do_invoke {
728	my $event = shift;	933	my $event = shift;
729	my $callbacks = shift;	934	my $callbacks = shift;
730		935
731	@invoke_results = ();	936	@INVOKE_RESULTS = ();
732		937
733	local $override;	938	local $override;
734		939
735	for (@$callbacks) {	940	for (@$callbacks) {
736	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
753		958
754	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
755		960
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		964
760	=back	965	=back
761		966
762	=cut	967	=cut
763		968
764	#############################################################################	969	#############################################################################
765	# object support	970	# object support
		971
		972	sub _object_equal($$);
		973	sub _object_equal($$) {
		974	my ($a, $b) = @_;
		975
		976	return 0 unless (ref $a) eq (ref $b);
		977
		978	if ("HASH" eq ref $a) {
		979	my @ka = keys %$a;
		980	my @kb = keys %$b;
		981
		982	return 0 if @ka != @kb;
		983
		984	for (0 .. $#ka) {
		985	return 0 unless $ka[$_] eq $kb[$_];
		986	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		987	}
		988
		989	} elsif ("ARRAY" eq ref $a) {
		990
		991	return 0 if @$a != @$b;
		992
		993	for (0 .. $#$a) {
		994	return 0 unless _object_equal $a->[$_], $b->[$_];
		995	}
		996
		997	} elsif ($a ne $b) {
		998	return 0;
		999	}
		1000
		1001	1
		1002	}
		1003
		1004	our $SLOW_MERGES;#d#
		1005	sub _can_merge {
		1006	my ($ob1, $ob2) = @_;
		1007
		1008	++$SLOW_MERGES;#d#
		1009
		1010	# we do the slow way here
		1011	return _object_equal $ob1, $ob2
		1012	}
766		1013
767	sub reattach {	1014	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1015	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1016	my ($obj) = @_;
770		1017
…		…
817	sub object_freezer_save {	1064	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1065	my ($filename, $rdata, $objs) = @_;
819		1066
820	sync_job {	1067	sync_job {
821	if (length $$rdata) {	1068	if (length $$rdata) {
		1069	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1070	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1071	$decname, length $$rdata, scalar @$objs;
824		1072
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1074	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1076	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1077	close $fh;
830		1078
831	if (@$objs) {	1079	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1081	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1083	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1084	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1085	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1086	aio_rename "$filename.pst~", "$filename.pst";
839	}	1087	}
…		…
847	}	1095	}
848	} else {	1096	} else {
849	aio_unlink $filename;	1097	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1098	aio_unlink "$filename.pst";
851	}	1099	}
852	}	1100	};
853	}	1101	}
854		1102
855	sub object_freezer_as_string {	1103	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1104	my ($rdata, $objs) = @_;
857		1105
…		…
869	or return;	1117	or return;
870		1118
871	unless (aio_stat "$filename.pst") {	1119	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1120	(aio_load "$filename.pst", $av) >= 0
873	or return;	1121	or return;
874	$av = eval { (Storable::thaw $av)->{objs} };
875	}
876		1122
		1123	my $st = eval { Coro::Storable::thaw $av }
		1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1125	$av = $st->{objs};
		1126	}
		1127
		1128	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1129	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1130	$decname, length $data, scalar @{$av || []};
		1131
879	return ($data, $av);	1132	($data, $av)
880	}	1133	}
		1134
		1135	=head2 COMMAND CALLBACKS
		1136
		1137	=over 4
		1138
		1139	=cut
881		1140
882	#############################################################################	1141	#############################################################################
883	# command handling &c	1142	# command handling &c
884		1143
885	=item cf::register_command $name => \&callback($ob,$args);	1144	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1157	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1158	}
900		1159
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1160	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1161
903	Register a callbackf ro execution when the client sends an extcmd packet.	1162	Register a callback for execution when the client sends an (synchronous)
		1163	extcmd packet. Ext commands will be processed in the order they are
		1164	received by the server, like other user commands. The first argument is
		1165	the logged-in player. Ext commands can only be processed after a player
		1166	has logged in successfully.
904		1167
905	If the callback returns something, it is sent back as if reply was being	1168	If the callback returns something, it is sent back as if reply was being
906	called.	1169	called.
907		1170
		1171	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1172
		1173	Register a callback for execution when the client sends an (asynchronous)
		1174	exticmd packet. Exti commands are processed by the server as soon as they
		1175	are received, i.e. out of order w.r.t. other commands. The first argument
		1176	is a client socket. Exti commands can be received anytime, even before
		1177	log-in.
		1178
		1179	If the callback returns something, it is sent back as if reply was being
		1180	called.
		1181
908	=cut	1182	=cut
909		1183
910	sub register_extcmd {	1184	sub register_extcmd {
911	my ($name, $cb) = @_;	1185	my ($name, $cb) = @_;
912		1186
913	$EXTCMD{$name} = $cb;	1187	$EXTCMD{$name} = $cb;
		1188	}
		1189
		1190	sub register_exticmd {
		1191	my ($name, $cb) = @_;
		1192
		1193	$EXTICMD{$name} = $cb;
914	}	1194	}
915		1195
916	cf::player->attach (	1196	cf::player->attach (
917	on_command => sub {	1197	on_command => sub {
918	my ($pl, $name, $params) = @_;	1198	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1207	cf::override;
928	},	1208	},
929	on_extcmd => sub {	1209	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1210	my ($pl, $buf) = @_;
931		1211
932	my $msg = eval { from_json $buf };	1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1213
934	if (ref $msg) {	1214	if (ref $msg) {
		1215	my ($type, $reply, @payload) =
		1216	"ARRAY" eq ref $msg
		1217	? @$msg
		1218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1219
		1220	my @reply;
		1221
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1222	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1223	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1224	}
		1225
		1226	$pl->ext_reply ($reply, @reply)
		1227	if $reply;
		1228
940	} else {	1229	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1231	}
943		1232
944	cf::override;	1233	cf::override;
945	},	1234	},
946	);	1235	);
947		1236
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1237	sub load_extensions {
		1238	cf::sync_job {
		1239	my %todo;
		1240
983	for my $ext (<$LIBDIR/*.ext>) {	1241	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1242	next unless -r $path;
985	eval {	1243
986	load_extension $ext;	1244	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1245	my $base = $1;
		1246	my $pkg = $1;
		1247	$pkg =~ s/[^[:word:]]/_/g;
		1248	$pkg = "ext::$pkg";
		1249
		1250	open my $fh, "<:utf8", $path
		1251	or die "$path: $!";
		1252
		1253	my $source = do { local $/; <$fh> };
		1254
		1255	my %ext = (
		1256	path => $path,
		1257	base => $base,
		1258	pkg => $pkg,
		1259	);
		1260
		1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1263
		1264	$ext{source} =
		1265	"package $pkg; use strict; use utf8;\n"
		1266	. "#line 1 \"$path\"\n{\n"
		1267	. $source
		1268	. "\n};\n1";
		1269
		1270	$todo{$base} = \%ext;
		1271	}
		1272
		1273	my %done;
		1274	while (%todo) {
		1275	my $progress;
		1276
		1277	while (my ($k, $v) = each %todo) {
		1278	for (split /,\s*/, $v->{meta}{depends}) {
		1279	goto skip
		1280	unless exists $done{$_};
		1281	}
		1282
		1283	warn "... loading '$k' into '$v->{pkg}'\n";
		1284
		1285	unless (eval $v->{source}) {
		1286	my $msg = $@ ? "$v->{path}: $@\n"
		1287	: "$v->{base}: extension inactive.\n";
		1288
		1289	if (exists $v->{meta}{mandatory}) {
		1290	warn $msg;
		1291	warn "mandatory extension failed to load, exiting.\n";
		1292	exit 1;
		1293	}
		1294
		1295	warn $msg;
		1296	}
		1297
		1298	$done{$k} = delete $todo{$k};
		1299	push @EXTS, $v->{pkg};
		1300	$progress = 1;
987	1	1301	}
988	} or warn "$ext not loaded: $@";	1302
		1303	skip:
		1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1305	unless $progress;
		1306	}
989	}	1307	};
990	}	1308	}
991		1309
992	#############################################################################	1310	#############################################################################
993		1311
		1312	=back
		1313
994	=head2 CORE EXTENSIONS	1314	=head2 CORE EXTENSIONS
995		1315
996	Functions and methods that extend core crossfire objects.	1316	Functions and methods that extend core crossfire objects.
997		1317
998	=cut	1318	=cut
…		…
1002	use Coro::AIO;	1322	use Coro::AIO;
1003		1323
1004	=head3 cf::player	1324	=head3 cf::player
1005		1325
1006	=over 4	1326	=over 4
		1327
		1328	=item cf::player::num_playing
		1329
		1330	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1331
		1332	=cut
		1333
		1334	sub num_playing {
		1335	scalar grep
		1336	$_->ob->map
		1337	&& !$_->hidden
		1338	&& !$_->ob->flag (cf::FLAG_WIZ),
		1339	cf::player::list
		1340	}
1007		1341
1008	=item cf::player::find $login	1342	=item cf::player::find $login
1009		1343
1010	Returns the given player object, loading it if necessary (might block).	1344	Returns the given player object, loading it if necessary (might block).
1011		1345
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1381	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1382	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1383	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1384	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1385
1052	my $pl = load_pl path $login	1386	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1387	or return;
		1388
		1389	my $pl = cf::player::load_pl $f
		1390	or return;
		1391	local $cf::PLAYER_LOADING{$login} = $pl;
		1392	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1393	$cf::PLAYER{$login} = $pl
1055	}	1394	}
1056	}	1395	}
1057	}	1396	}
1058		1397
…		…
1068		1407
1069	aio_mkdir playerdir $pl, 0770;	1408	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1409	$pl->{last_save} = $cf::RUNTIME;
1071		1410
1072	$pl->save_pl ($path);	1411	$pl->save_pl ($path);
1073	Coro::cede;	1412	cf::cede_to_tick;
1074	}	1413	}
1075		1414
1076	sub new($) {	1415	sub new($) {
1077	my ($login) = @_;	1416	my ($login) = @_;
1078		1417
…		…
1082	$self->{deny_save} = 1;	1421	$self->{deny_save} = 1;
1083		1422
1084	$cf::PLAYER{$login} = $self;	1423	$cf::PLAYER{$login} = $self;
1085		1424
1086	$self	1425	$self
		1426	}
		1427
		1428	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1429
		1430	=cut
		1431
		1432	sub send_msg {
		1433	my $ns = shift->ns
		1434	or return;
		1435	$ns->send_msg (@_);
1087	}	1436	}
1088		1437
1089	=item $pl->quit_character	1438	=item $pl->quit_character
1090		1439
1091	Nukes the player without looking back. If logged in, the connection will	1440	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1495	or return [];
1147		1496
1148	my @logins;	1497	my @logins;
1149		1498
1150	for my $login (@$dirs) {	1499	for my $login (@$dirs) {
		1500	my $path = path $login;
		1501
		1502	# a .pst is a dead give-away for a valid player
		1503	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1505	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1506	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1507	}
1154		1508
1155	utf8::decode $login;	1509	utf8::decode $login;
1156	push @logins, $login;	1510	push @logins, $login;
1157	}	1511	}
1158		1512
…		…
1185	}	1539	}
1186		1540
1187	\@paths	1541	\@paths
1188	}	1542	}
1189		1543
		1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1545
		1546	Expand crossfire pod fragments into protocol xml.
		1547
		1548	=cut
		1549
		1550	sub expand_cfpod {
		1551	((my $self), (local $_)) = @_;
		1552
		1553	# escape & and <
		1554	s/&/&amp;/g;
		1555	s/(?<![BIUGHT])</&lt;/g;
		1556
		1557	# this is buggy, it needs to properly take care of nested <'s
		1558
		1559	1 while
		1560	# replace B<>, I<>, U<> etc.
		1561	s/B<([^\>]*)>/<b>$1<\/b>/
		1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1565	# replace G<male|female> tags
		1566	|| s{G<([^>|]*)\|([^>]*)>}{
		1567	$self->gender ? $2 : $1
		1568	}ge
		1569	# replace H<hint text>
		1570	|| s{H<([^\>]*)>}
		1571	{
		1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1574	"")
		1575	[$self->{hintmode}]
		1576	}ge;
		1577
		1578	# create single paragraphs (very hackish)
		1579	s/(?<=\S)\n(?=\w)/ /g;
		1580
		1581	# compress some whitespace
		1582	s/\s+\n/\n/g; # ws line-ends
		1583	s/\n\n+/\n/g; # double lines
		1584	s/^\n+//; # beginning lines
		1585	s/\n+$//; # ending lines
		1586
		1587	$_
		1588	}
		1589
		1590	sub hintmode {
		1591	$_[0]{hintmode} = $_[1] if @_ > 1;
		1592	$_[0]{hintmode}
		1593	}
		1594
1190	=item $player->ext_reply ($msgid, %msg)	1595	=item $player->ext_reply ($msgid, @msg)
1191		1596
1192	Sends an ext reply to the player.	1597	Sends an ext reply to the player.
1193		1598
1194	=cut	1599	=cut
1195		1600
1196	sub ext_reply($$%) {	1601	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1602	my ($self, $id, @msg) = @_;
1198		1603
1199	$msg{msgid} = $id;	1604	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1605	}
1203		1606
1204	=item $player->ext_event ($type, %msg)	1607	=item $player->ext_msg ($type, @msg)
1205		1608
1206	Sends an ext event to the client.	1609	Sends an ext event to the client.
1207		1610
1208	=cut	1611	=cut
1209		1612
1210	sub ext_event($$%) {	1613	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1614	my ($self, $type, @msg) = @_;
1212		1615
1213	$self->ns->ext_event ($type, %msg);	1616	$self->ns->ext_msg ($type, @msg);
1214	}	1617	}
1215		1618
1216	=head3 cf::region	1619	=head3 cf::region
1217		1620
1218	=over 4	1621	=over 4
…		…
1221		1624
1222	package cf::region;	1625	package cf::region;
1223		1626
1224	=item cf::region::find_by_path $path	1627	=item cf::region::find_by_path $path
1225		1628
1226	Tries to decuce the probable region for a map knowing only its path.	1629	Tries to decuce the likely region for a map knowing only its path.
1227		1630
1228	=cut	1631	=cut
1229		1632
1230	sub find_by_path($) {	1633	sub find_by_path($) {
1231	my ($path) = @_;	1634	my ($path) = @_;
1232		1635
1233	my ($match, $specificity);	1636	my ($match, $specificity);
1234		1637
1235	for my $region (list) {	1638	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1639	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1640	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1641	if $region->specificity > $specificity;
1239	}	1642	}
1240	}	1643	}
1241		1644
…		…
1361	$self->init; # pass $1 etc.	1764	$self->init; # pass $1 etc.
1362	return $self;	1765	return $self;
1363	}	1766	}
1364	}	1767	}
1365		1768
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1769	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1770	()
1368	}	1771	}
1369		1772
1370	sub init {	1773	sub init {
1371	my ($self) = @_;	1774	my ($self) = @_;
…		…
1434		1837
1435	sub load_header_from($) {	1838	sub load_header_from($) {
1436	my ($self, $path) = @_;	1839	my ($self, $path) = @_;
1437		1840
1438	utf8::encode $path;	1841	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1842	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1843	or return;
		1844
		1845	$self->_load_header ($f)
		1846	or return;
		1847
		1848	local $MAP_LOADING{$self->{path}} = $self;
		1849	$f->resolve_delayed_derefs;
1444		1850
1445	$self->{load_path} = $path;	1851	$self->{load_path} = $path;
1446		1852
1447	1	1853	1
1448	}	1854	}
…		…
1502	sub find {	1908	sub find {
1503	my ($path, $origin) = @_;	1909	my ($path, $origin) = @_;
1504		1910
1505	$path = normalise $path, $origin && $origin->path;	1911	$path = normalise $path, $origin && $origin->path;
1506		1912
		1913	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1914	cf::lock_wait "map_find:$path";
1508		1915
1509	$cf::MAP{$path} || do {	1916	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	1917	my $guard1 = cf::lock_acquire "map_find:$path";
		1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1919
1511	my $map = new_from_path cf::map $path	1920	my $map = new_from_path cf::map $path
1512	or return;	1921	or return;
1513		1922
1514	$map->{last_save} = $cf::RUNTIME;	1923	$map->{last_save} = $cf::RUNTIME;
1515		1924
…		…
1517	or return;	1926	or return;
1518		1927
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1929	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1930	#$cf::WAIT_FOR_TICK->wait;
		1931	undef $guard1;
		1932	undef $guard2;
1522	$map->reset;	1933	$map->reset;
1523	undef $guard;
1524	return find $path;	1934	return find $path;
1525	}	1935	}
1526		1936
1527	$cf::MAP{$path} = $map	1937	$cf::MAP{$path} = $map
1528	}	1938	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1947	local $self->{deny_reset} = 1; # loading can take a long time
1538		1948
1539	my $path = $self->{path};	1949	my $path = $self->{path};
1540		1950
1541	{	1951	{
1542	my $guard = cf::lock_acquire "map_load:$path";	1952	my $guard = cf::lock_acquire "map_data:$path";
1543		1953
		1954	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1955	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		1956
1546	$self->in_memory (cf::MAP_LOADING);	1957	$self->in_memory (cf::MAP_LOADING);
1547		1958
1548	$self->alloc;	1959	$self->alloc;
1549		1960
1550	$self->pre_load;	1961	$self->pre_load;
1551	Coro::cede;	1962	cf::cede_to_tick;
1552		1963
		1964	my $f = new_from_file cf::object::thawer $self->{load_path};
		1965	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	1966	$self->_load_objects ($f)
1554	or return;	1967	or return;
1555		1968
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	1970	if delete $self->{load_original};
1558		1971
1559	if (my $uniq = $self->uniq_path) {	1972	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	1973	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	1974	unless (aio_stat $uniq) {
		1975	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	1976	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	1977	$self->_load_objects ($f);
		1978	$f->resolve_delayed_derefs;
		1979	}
1564	}	1980	}
1565	}	1981	}
1566		1982
1567	Coro::cede;	1983	$f->resolve_delayed_derefs;
		1984
		1985	cf::cede_to_tick;
1568	# now do the right thing for maps	1986	# now do the right thing for maps
1569	$self->link_multipart_objects;	1987	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	1988	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	1989	unless $self->difficulty;
1572	Coro::cede;	1990	cf::cede_to_tick;
1573		1991
1574	unless ($self->{deny_activate}) {	1992	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	1993	$self->decay_objects;
1576	$self->fix_auto_apply;	1994	$self->fix_auto_apply;
1577	$self->update_buttons;	1995	$self->update_buttons;
1578	Coro::cede;	1996	cf::cede_to_tick;
1579	$self->set_darkness_map;	1997	$self->set_darkness_map;
1580	Coro::cede;	1998	cf::cede_to_tick;
1581	$self->activate;	1999	$self->activate;
1582	}	2000	}
		2001
		2002	$self->{last_save} = $cf::RUNTIME;
		2003	$self->last_access ($cf::RUNTIME);
1583		2004
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2005	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	2006	}
1586		2007
1587	$self->post_load;	2008	$self->post_load;
…		…
1598		2019
1599	$self	2020	$self
1600	}	2021	}
1601		2022
1602	# find and load all maps in the 3x3 area around a map	2023	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2024	sub load_neighbours {
1604	my ($map) = @_;	2025	my ($map) = @_;
1605		2026
1606	my @diag; # diagonal neighbours	2027	my @neigh; # diagonal neighbours
1607		2028
1608	for (0 .. 3) {	2029	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2030	my $neigh = $map->tile_path ($_)
1610	or next;	2031	or next;
1611	$neigh = find $neigh, $map	2032	$neigh = find $neigh, $map
1612	or next;	2033	or next;
1613	$neigh->load;	2034	$neigh->load;
1614		2035
		2036	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2039	}
1618		2040
1619	for (@diag) {	2041	for (grep defined $_->[0], @neigh) {
		2042	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2043	my $neigh = find $path, $origin
1621	or next;	2044	or next;
1622	$neigh->load;	2045	$neigh->load;
1623	}	2046	}
1624	}	2047	}
1625		2048
…		…
1630	}	2053	}
1631		2054
1632	sub do_load_sync {	2055	sub do_load_sync {
1633	my ($map) = @_;	2056	my ($map) = @_;
1634		2057
		2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2059	if $Coro::current == $Coro::main;
		2060
1635	cf::sync_job { $map->load };	2061	cf::sync_job { $map->load };
1636	}	2062	}
1637		2063
1638	our %MAP_PREFETCH;	2064	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2065	our $MAP_PREFETCHER = undef;
1640		2066
1641	sub find_async {	2067	sub find_async {
1642	my ($path, $origin) = @_;	2068	my ($path, $origin, $load) = @_;
1643		2069
1644	$path = normalise $path, $origin && $origin->{path};	2070	$path = normalise $path, $origin && $origin->{path};
1645		2071
1646	if (my $map = $cf::MAP{$path}) {	2072	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2074	}
1649		2075
1650	undef $MAP_PREFETCH{$path};	2076	$MAP_PREFETCH{$path} |= $load;
		2077
1651	$MAP_PREFETCHER ||= cf::async {	2078	$MAP_PREFETCHER ||= cf::async {
		2079	$Coro::current->{desc} = "map prefetcher";
		2080
1652	while (%MAP_PREFETCH) {	2081	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2082	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2083	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2084	$map->load if $v;
		2085	}
1657		2086
1658	delete $MAP_PREFETCH{$path};	2087	delete $MAP_PREFETCH{$k};
1659	}	2088	}
1660	}	2089	}
1661	undef $MAP_PREFETCHER;	2090	undef $MAP_PREFETCHER;
1662	};	2091	};
1663	$MAP_PREFETCHER->prio (6);	2092	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2095	}
1667		2096
1668	sub save {	2097	sub save {
1669	my ($self) = @_;	2098	my ($self) = @_;
1670		2099
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2101
1673	$self->{last_save} = $cf::RUNTIME;	2102	$self->{last_save} = $cf::RUNTIME;
1674		2103
1675	return unless $self->dirty;	2104	return unless $self->dirty;
1676		2105
…		…
1682	return if $self->{deny_save};	2111	return if $self->{deny_save};
1683		2112
1684	local $self->{last_access} = $self->last_access;#d#	2113	local $self->{last_access} = $self->last_access;#d#
1685		2114
1686	cf::async {	2115	cf::async {
		2116	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2117	$_->contr->save for $self->players;
1688	};	2118	};
1689		2119
1690	if ($uniq) {	2120	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1699	my ($self) = @_;	2129	my ($self) = @_;
1700		2130
1701	# save first because save cedes	2131	# save first because save cedes
1702	$self->save;	2132	$self->save;
1703		2133
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2135
1706	return if $self->players;	2136	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2137	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2138	return if $self->{deny_save};
1709		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	$self->deactivate;
		2143	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2144	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2145	}
1713		2146
1714	sub reset_at {	2147	sub reset_at {
1715	my ($self) = @_;	2148	my ($self) = @_;
1716		2149
…		…
1748	if $uniq;	2181	if $uniq;
1749	}	2182	}
1750		2183
1751	delete $cf::MAP{$self->path};	2184	delete $cf::MAP{$self->path};
1752		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2188	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2189
1757	$self->unlink_save;	2190	$self->unlink_save;
1758	$self->destroy;	2191	$self->destroy;
1759	}	2192	}
1760		2193
1761	my $nuke_counter = "aaaa";	2194	my $nuke_counter = "aaaa";
1762		2195
1763	sub nuke {	2196	sub nuke {
1764	my ($self) = @_;	2197	my ($self) = @_;
1765		2198
		2199	{
		2200	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2201
1766	delete $cf::MAP{$self->path};	2202	delete $cf::MAP{$self->path};
1767		2203
1768	$self->unlink_save;	2204	$self->unlink_save;
1769		2205
1770	bless $self, "cf::map";	2206	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2207	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2208	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2209	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2211
1776	$cf::MAP{$self->path} = $self;	2212	$cf::MAP{$self->path} = $self;
		2213	}
1777		2214
1778	$self->reset; # polite request, might not happen	2215	$self->reset; # polite request, might not happen
1779	}	2216	}
1780		2217
1781	=item $maps = cf::map::tmp_maps	2218	=item $maps = cf::map::tmp_maps
…		…
1857		2294
1858	sub inv_recursive {	2295	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2296	inv_recursive_ inv $_[0]
1860	}	2297	}
1861		2298
		2299	=item $ref = $ob->ref
		2300
		2301	creates and returns a persistent reference to an objetc that can be stored as a string.
		2302
		2303	=item $ob = cf::object::deref ($refstring)
		2304
		2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2306	even if the object actually exists. May block.
		2307
		2308	=cut
		2309
		2310	sub deref {
		2311	my ($ref) = @_;
		2312
		2313	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2314	my ($uuid, $name) = ($1, $2);
		2315	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2316	or return;
		2317	$pl->ob->uuid eq $uuid
		2318	or return;
		2319
		2320	$pl->ob
		2321	} else {
		2322	warn "$ref: cannot resolve object reference\n";
		2323	undef
		2324	}
		2325	}
		2326
1862	package cf;	2327	package cf;
1863		2328
1864	=back	2329	=back
1865		2330
1866	=head3 cf::object::player	2331	=head3 cf::object::player
…		…
1883		2348
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2349	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2350
1886	if ($self->{record_replies}) {	2351	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2352	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2353
1888	} else {	2354	} else {
		2355	my $pl = $self->contr;
		2356
		2357	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2358	my $dialog = $pl->{npc_dialog};
		2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2360
		2361	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2362	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2363	$self->message ($msg, $flags);
		2364	}
1891	}	2365	}
		2366	}
		2367
		2368	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2369
		2370	=cut
		2371
		2372	sub cf::object::send_msg {
		2373	my $pl = shift->contr
		2374	or return;
		2375	$pl->send_msg (@_);
1892	}	2376	}
1893		2377
1894	=item $player_object->may ("access")	2378	=item $player_object->may ("access")
1895		2379
1896	Returns wether the given player is authorized to access resource "access"	2380	Returns wether the given player is authorized to access resource "access"
…		…
1975	# use -1 or undef as default coordinates, not 0, 0	2459	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2460	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2461	if $x <=0 && $y <= 0;
1978		2462
1979	$map->load;	2463	$map->load;
1980	$map->load_diag;	2464	$map->load_neighbours;
1981		2465
1982	return unless $self->contr->active;	2466	return unless $self->contr->active;
1983	$self->activate_recursive;	2467	$self->activate_recursive;
1984		2468
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2470	$self->enter_map ($map, $x, $y);
1987	}	2471	}
1988		2472
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2474
1991	Moves the player to the given map-path and coordinates by first freezing	2475	Moves the player to the given map-path and coordinates by first freezing
1992	her, loading and preparing them map, calling the provided $check callback	2476	her, loading and preparing them map, calling the provided $check callback
1993	that has to return the map if sucecssful, and then unfreezes the player on	2477	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2478	the new (success) or old (failed) map position. In either case, $done will
		2479	be called at the end of this process.
1995		2480
1996	=cut	2481	=cut
1997		2482
1998	our $GOTOGEN;	2483	our $GOTOGEN;
1999		2484
2000	sub cf::object::player::goto {	2485	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2486	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2487
2003	# do generation counting so two concurrent goto's will be executed in-order	2488	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2490
2006	$self->enter_link;	2491	$self->enter_link;
2007		2492
2008	(async {	2493	(async {
		2494	$Coro::current->{desc} = "player::goto $path $x $y";
		2495
		2496	# *tag paths override both path and x|y
		2497	if ($path =~ /^\*(.*)$/) {
		2498	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2499	my $ob = $obs[rand @obs];
		2500
		2501	# see if we actually can go there
		2502	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2503	$ob = $obs[rand @obs];
		2504	} else {
		2505	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2506	}
		2507	# else put us there anyways for now #d#
		2508
		2509	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2510	} else {
		2511	($path, $x, $y) = (undef, undef, undef);
		2512	}
		2513	}
		2514
2009	my $map = eval {	2515	my $map = eval {
2010	my $map = cf::map::find $path;	2516	my $map = defined $path ? cf::map::find $path : undef;
2011		2517
2012	if ($map) {	2518	if ($map) {
2013	$map = $map->customise_for ($self);	2519	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2520	$map = $check->($map) if $check && $map;
2015	} else {	2521	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2523	}
2018		2524
2019	$map	2525	$map
2020	};	2526	};
2021		2527
…		…
2026		2532
2027	if ($gen == $self->{_goto_generation}) {	2533	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2534	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2535	$self->leave_link ($map, $x, $y);
2030	}	2536	}
		2537
		2538	$done->() if $done;
2031	})->prio (1);	2539	})->prio (1);
2032	}	2540	}
2033		2541
2034	=item $player_object->enter_exit ($exit_object)	2542	=item $player_object->enter_exit ($exit_object)
2035		2543
…		…
2104	my $hp = $exit->stats->hp;	2612	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;	2613	my $sp = $exit->stats->sp;
2106		2614
2107	$self->enter_link;	2615	$self->enter_link;
2108		2616
		2617	# if exit is damned, update players death & WoR home-position
		2618	$self->contr->savebed ($slaying, $hp, $sp)
		2619	if $exit->flag (FLAG_DAMNED);
		2620
2109	(async {	2621	(async {
		2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2623
2110	$self->deactivate_recursive; # just to be sure	2624	$self->deactivate_recursive; # just to be sure
2111	unless (eval {	2625	unless (eval {
2112	$self->goto ($slaying, $hp, $sp);	2626	$self->goto ($slaying, $hp, $sp);
2113		2627
2114	1;	2628	1;
…		…
2140		2654
2141	utf8::encode $text;	2655	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2656	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2143	}	2657	}
2144		2658
		2659	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2660
		2661	Send a drawinfo or msg packet to the client, formatting the msg for the
		2662	client if neccessary. C<$type> should be a string identifying the type of
		2663	the message, with C<log> being the default. If C<$color> is negative, suppress
		2664	the message unless the client supports the msg packet.
		2665
		2666	=cut
		2667
		2668	our %CHANNEL = (
		2669	"c/identify" => {
		2670	id => "infobox",
		2671	title => "Identify",
		2672	reply => undef,
		2673	tooltip => "Items recently identified",
		2674	},
		2675	"c/examine" => {
		2676	id => "infobox",
		2677	title => "Examine",
		2678	reply => undef,
		2679	tooltip => "Signs and other items you examined",
		2680	},
		2681	"c/lookat" => {
		2682	id => "infobox",
		2683	title => "Look",
		2684	reply => undef,
		2685	tooltip => "What you saw there",
		2686	},
		2687	);
		2688
		2689	sub cf::client::send_msg {
		2690	my ($self, $channel, $msg, $color, @extra) = @_;
		2691
		2692	$msg = $self->pl->expand_cfpod ($msg);
		2693
		2694	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2695
		2696	# check predefined channels, for the benefit of C
		2697	if ($CHANNEL{$channel}) {
		2698	$channel = $CHANNEL{$channel};
		2699
		2700	$self->ext_msg (channel_info => $channel)
		2701	if $self->can_msg;
		2702
		2703	$channel = $channel->{id};
		2704
		2705	} elsif (ref $channel) {
		2706	# send meta info to client, if not yet sent
		2707	unless (exists $self->{channel}{$channel->{id}}) {
		2708	$self->{channel}{$channel->{id}} = $channel;
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711	}
		2712
		2713	$channel = $channel->{id};
		2714	}
		2715
		2716	return unless @extra || length $msg;
		2717
		2718	if ($self->can_msg) {
		2719	# default colour, mask it out
		2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2721	if $color & cf::NDI_DEF;
		2722
		2723	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2725	} else {
		2726	if ($color >= 0) {
		2727	# replace some tags by gcfclient-compatible ones
		2728	for ($msg) {
		2729	1 while
		2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2735	}
		2736
		2737	$color &= cf::NDI_COLOR_MASK;
		2738
		2739	utf8::encode $msg;
		2740
		2741	if (0 && $msg =~ /\[/) {
		2742	# COMMAND/INFO
		2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2744	} else {
		2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2746	$self->send_packet ("drawinfo $color $msg")
		2747	}
		2748	}
		2749	}
		2750	}
		2751
2145	=item $client->ext_event ($type, %msg)	2752	=item $client->ext_msg ($type, @msg)
2146		2753
2147	Sends an exti event to the client.	2754	Sends an ext event to the client.
2148		2755
2149	=cut	2756	=cut
2150		2757
2151	sub cf::client::ext_event($$%) {	2758	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	2759	my ($self, $type, @msg) = @_;
2153		2760
		2761	if ($self->extcmd == 2) {
		2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2763	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	2764	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2766	}
		2767	}
		2768
		2769	=item $client->ext_reply ($msgid, @msg)
		2770
		2771	Sends an ext reply to the client.
		2772
		2773	=cut
		2774
		2775	sub cf::client::ext_reply($$@) {
		2776	my ($self, $id, @msg) = @_;
		2777
		2778	if ($self->extcmd == 2) {
		2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2780	} elsif ($self->extcmd == 1) {
		2781	#TODO: version 1, remove
		2782	unshift @msg, msgtype => "reply", msgid => $id;
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2784	}
2156	}	2785	}
2157		2786
2158	=item $success = $client->query ($flags, "text", \&cb)	2787	=item $success = $client->query ($flags, "text", \&cb)
2159		2788
2160	Queues a query to the client, calling the given callback with	2789	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2790	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2791	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		2792
2164	Queries can fail, so check the return code. Or don't, as queries will become	2793	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	2794	become reliable at some point in the future.
2166		2795
2167	=cut	2796	=cut
2168		2797
2169	sub cf::client::query {	2798	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	2799	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	2807	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2808	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		2809
2181	$self->send_packet ($self->{query_queue}[0][0])	2810	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	2811	if @{ $self->{query_queue} } == 1;
		2812
		2813	1
2183	}	2814	}
2184		2815
2185	cf::client->attach (	2816	cf::client->attach (
		2817	on_connect => sub {
		2818	my ($ns) = @_;
		2819
		2820	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2821	},
2186	on_reply => sub {	2822	on_reply => sub {
2187	my ($ns, $msg) = @_;	2823	my ($ns, $msg) = @_;
2188		2824
2189	# this weird shuffling is so that direct followup queries	2825	# this weird shuffling is so that direct followup queries
2190	# get handled first	2826	# get handled first
…		…
2202	} else {	2838	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2839	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	2840	}
2205	}	2841	}
2206	},	2842	},
		2843	on_exticmd => sub {
		2844	my ($ns, $buf) = @_;
		2845
		2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2847
		2848	if (ref $msg) {
		2849	my ($type, $reply, @payload) =
		2850	"ARRAY" eq ref $msg
		2851	? @$msg
		2852	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2853
		2854	my @reply;
		2855
		2856	if (my $cb = $EXTICMD{$type}) {
		2857	@reply = $cb->($ns, @payload);
		2858	}
		2859
		2860	$ns->ext_reply ($reply, @reply)
		2861	if $reply;
		2862
		2863	} else {
		2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2865	}
		2866
		2867	cf::override;
		2868	},
2207	);	2869	);
2208		2870
2209	=item $client->async (\&cb)	2871	=item $client->async (\&cb)
2210		2872
2211	Create a new coroutine, running the specified callback. The coroutine will	2873	Create a new coroutine, running the specified callback. The coroutine will
…		…
2252	our $safe = new Safe "safe";	2914	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	2915	our $safe_hole = new Safe::Hole;
2254		2916
2255	$SIG{FPE} = 'IGNORE';	2917	$SIG{FPE} = 'IGNORE';
2256		2918
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2919	$safe->permit_only (Opcode::opset qw(
		2920	:base_core :base_mem :base_orig :base_math
		2921	grepstart grepwhile mapstart mapwhile
		2922	sort time
		2923	));
2258		2924
2259	# here we export the classes and methods available to script code	2925	# here we export the classes and methods available to script code
2260		2926
2261	=pod	2927	=pod
2262		2928
2263	The following functions and methods are available within a safe environment:	2929	The following functions and methods are available within a safe environment:
2264		2930
2265	cf::object contr pay_amount pay_player map	2931	cf::object
		2932	contr pay_amount pay_player map x y force_find force_add destroy
		2933	insert remove name archname title slaying race decrease_ob_nr
		2934
2266	cf::object::player player	2935	cf::object::player
2267	cf::player peaceful	2936	player
2268	cf::map trigger	2937
		2938	cf::player
		2939	peaceful
		2940
		2941	cf::map
		2942	trigger
2269		2943
2270	=cut	2944	=cut
2271		2945
2272	for (	2946	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2948	insert remove inv name archname title slaying race
		2949	decrease_ob_nr destroy)],
2274	["cf::object::player" => qw(player)],	2950	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	2951	["cf::player" => qw(peaceful)],
2276	["cf::map" => qw(trigger)],	2952	["cf::map" => qw(trigger)],
2277	) {	2953	) {
2278	no strict 'refs';	2954	no strict 'refs';
…		…
2349	=back	3025	=back
2350		3026
2351	=cut	3027	=cut
2352		3028
2353	#############################################################################	3029	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524
2525	#############################################################################
2526	# the server's init and main functions	3030	# the server's init and main functions
2527		3031
2528	sub load_facedata($) {	3032	sub load_facedata($) {
2529	my ($path) = @_;	3033	my ($path) = @_;
		3034
		3035	# HACK to clear player env face cache, we need some signal framework
		3036	# for this (global event?)
		3037	%ext::player_env::MUSIC_FACE_CACHE = ();
		3038
		3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2530		3040
2531	warn "loading facedata from $path\n";	3041	warn "loading facedata from $path\n";
2532		3042
2533	my $facedata;	3043	my $facedata;
2534	0 < aio_load $path, $facedata	3044	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	3047	$facedata = Coro::Storable::thaw $facedata;
2538		3048
2539	$facedata->{version} == 2	3049	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3050	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3051
		3052	# patch in the exptable
		3053	$facedata->{resource}{"res/exp_table"} = {
		3054	type => FT_RSRC,
		3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3056	};
		3057	cf::cede_to_tick;
		3058
2542	{	3059	{
2543	my $faces = $facedata->{faceinfo};	3060	my $faces = $facedata->{faceinfo};
2544		3061
2545	while (my ($face, $info) = each %$faces) {	3062	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3064	cf::face::set_visibility $idx, $info->{visibility};
		3065	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2550	Coro::cede;	3068
		3069	cf::cede_to_tick;
2551	}	3070	}
2552		3071
2553	while (my ($face, $info) = each %$faces) {	3072	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3073	next unless $info->{smooth};
2555	my $idx = cf::face::find $face	3074	my $idx = cf::face::find $face
2556	or next;	3075	or next;
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3076	if (my $smooth = cf::face::find $info->{smooth}) {
		3077	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3079	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3080	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3081	}
2562	Coro::cede;	3082
		3083	cf::cede_to_tick;
2563	}	3084	}
2564	}	3085	}
2565		3086
2566	{	3087	{
2567	my $anims = $facedata->{animinfo};	3088	my $anims = $facedata->{animinfo};
2568		3089
2569	while (my ($anim, $info) = each %$anims) {	3090	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3091	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3092	cf::cede_to_tick;
2572	}	3093	}
2573		3094
2574	cf::anim::invalidate_all; # d'oh	3095	cf::anim::invalidate_all; # d'oh
2575	}	3096	}
2576		3097
		3098	{
		3099	# TODO: for gcfclient pleasure, we should give resources
		3100	# that gcfclient doesn't grok a >10000 face index.
		3101	my $res = $facedata->{resource};
		3102
		3103	my $soundconf = delete $res->{"res/sound.conf"};
		3104
		3105	while (my ($name, $info) = each %$res) {
		3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3107	my $data;
		3108
		3109	if ($info->{type} & 1) {
		3110	# prepend meta info
		3111
		3112	my $meta = $enc->encode ({
		3113	name => $name,
		3114	%{ $info->{meta} || {} },
		3115	});
		3116
		3117	$data = pack "(w/a*)*", $meta, $info->{data};
		3118	} else {
		3119	$data = $info->{data};
		3120	}
		3121
		3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3123	cf::face::set_type $idx, $info->{type};
		3124
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	if ($soundconf) {
		3129	$soundconf = $enc->decode (delete $soundconf->{data});
		3130
		3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3132	my $sound = $soundconf->{compat}[$_]
		3133	or next;
		3134
		3135	my $face = cf::face::find "sound/$sound->[1]";
		3136	cf::sound::set $sound->[0] => $face;
		3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3138	}
		3139
		3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3141	my $face = cf::face::find "sound/$v";
		3142	cf::sound::set $k => $face;
		3143	}
		3144	}
		3145	}
		3146
2577	1	3147	1
2578	}	3148	}
2579		3149
		3150	register_exticmd fx_want => sub {
		3151	my ($ns, $want) = @_;
		3152
		3153	while (my ($k, $v) = each %$want) {
		3154	$ns->fx_want ($k, $v);
		3155	}
		3156	};
		3157
2580	sub reload_regions {	3158	sub reload_regions {
		3159	# HACK to clear player env face cache, we need some signal framework
		3160	# for this (global event?)
		3161	%ext::player_env::MUSIC_FACE_CACHE = ();
		3162
2581	load_resource_file "$MAPDIR/regions"	3163	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3164	or die "unable to load regions file\n";
		3165
		3166	for (cf::region::list) {
		3167	$_->{match} = qr/$_->{match}/
		3168	if exists $_->{match};
		3169	}
2583	}	3170	}
2584		3171
2585	sub reload_facedata {	3172	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3173	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3174	or die "unable to load facedata\n";
2588	}	3175	}
2589		3176
2590	sub reload_archetypes {	3177	sub reload_archetypes {
		3178	load_resource_file "$DATADIR/archetypes"
		3179	or die "unable to load archetypes\n";
		3180	#d# NEED to laod twice to resolve forward references
		3181	# this really needs to be done in an extra post-pass
		3182	# (which needs to be synchronous, so solve it differently)
2591	load_resource_file "$DATADIR/archetypes"	3183	load_resource_file "$DATADIR/archetypes"
2592	or die "unable to load archetypes\n";	3184	or die "unable to load archetypes\n";
2593	}	3185	}
2594		3186
2595	sub reload_treasures {	3187	sub reload_treasures {
…		…
2611		3203
2612	sub init {	3204	sub init {
2613	reload_resources;	3205	reload_resources;
2614	}	3206	}
2615		3207
2616	sub cfg_load {	3208	sub reload_config {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3209	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3210	or return;
2619		3211
2620	local $/;	3212	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3213	*CFG = YAML::Syck::Load <$fh>;
…		…
2637	sub main {	3229	sub main {
2638	# we must not ever block the main coroutine	3230	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3231	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3233	(async {
		3234	$Coro::current->{desc} = "IDLE BUG HANDLER";
2642	Event::one_event;	3235	Event::one_event;
2643	})->prio (Coro::PRIO_MAX);	3236	})->prio (Coro::PRIO_MAX);
2644	};	3237	};
2645		3238
2646	cfg_load;	3239	reload_config;
2647	db_init;	3240	db_init;
2648	load_extensions;	3241	load_extensions;
2649		3242
2650	$TICK_WATCHER->start;	3243	$TICK_WATCHER->start;
2651	Event::loop;	3244	Event::loop;
…		…
2667	},	3260	},
2668	);	3261	);
2669	}	3262	}
2670	}	3263	}
2671		3264
		3265	sub write_runtime {
		3266	my $runtime = "$LOCALDIR/runtime";
		3267
		3268	# first touch the runtime file to show we are still running:
		3269	# the fsync below can take a very very long time.
		3270
		3271	IO::AIO::aio_utime $runtime, undef, undef;
		3272
		3273	my $guard = cf::lock_acquire "write_runtime";
		3274
		3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3276	or return;
		3277
		3278	my $value = $cf::RUNTIME + 90 + 10;
		3279	# 10 is the runtime save interval, for a monotonic clock
		3280	# 60 allows for the watchdog to kill the server.
		3281
		3282	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3283	and return;
		3284
		3285	# always fsync - this file is important
		3286	aio_fsync $fh
		3287	and return;
		3288
		3289	# touch it again to show we are up-to-date
		3290	aio_utime $fh, undef, undef;
		3291
		3292	close $fh
		3293	or return;
		3294
		3295	aio_rename "$runtime~", $runtime
		3296	and return;
		3297
		3298	warn "runtime file written.\n";
		3299
		3300	1
		3301	}
		3302
2672	sub emergency_save() {	3303	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3304	my $freeze_guard = cf::freeze_mainloop;
2674		3305
2675	warn "enter emergency perl save\n";	3306	warn "enter emergency perl save\n";
2676		3307
…		…
2680	# and maps saved/destroyed asynchronously.	3311	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3312	warn "begin emergency player save\n";
2682	for my $login (keys %cf::PLAYER) {	3313	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3314	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3315	$pl->valid or next;
		3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3317	$pl->save;
2686	}	3318	}
2687	warn "end emergency player save\n";	3319	warn "end emergency player save\n";
2688		3320
2689	warn "begin emergency map save\n";	3321	warn "begin emergency map save\n";
…		…
2751	%EXT_CORO = ();	3383	%EXT_CORO = ();
2752		3384
2753	warn "removing commands";	3385	warn "removing commands";
2754	%COMMAND = ();	3386	%COMMAND = ();
2755		3387
2756	warn "removing ext commands";	3388	warn "removing ext/exti commands";
2757	%EXTCMD = ();	3389	%EXTCMD = ();
		3390	%EXTICMD = ();
2758		3391
2759	warn "unloading/nuking all extensions";	3392	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {	3393	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";	3394	warn "... unloading $pkg";
2762		3395
…		…
2805	warn "reloading cf.pm";	3438	warn "reloading cf.pm";
2806	require cf;	3439	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2808		3441
2809	warn "loading config and database again";	3442	warn "loading config and database again";
2810	cf::cfg_load;	3443	cf::reload_config;
2811		3444
2812	warn "loading extensions";	3445	warn "loading extensions";
2813	cf::load_extensions;	3446	cf::load_extensions;
2814		3447
2815	warn "reattaching attachments to objects/players";	3448	warn "reattaching attachments to objects/players";
…		…
2851	register_command "reload" => sub {	3484	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3485	my ($who, $arg) = @_;
2853		3486
2854	if ($who->flag (FLAG_WIZ)) {	3487	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3488	$who->message ("reloading server.");
		3489	async {
		3490	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3491	reload_perl;
		3492	};
2857	}	3493	}
2858	};	3494	};
2859		3495
2860	unshift @INC, $LIBDIR;	3496	unshift @INC, $LIBDIR;
2861		3497
…		…
2880	my $signal = new Coro::Signal;	3516	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3517	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3518	$signal->wait;
2883	}	3519	}
2884		3520
2885	my $min = 1e6;#d#
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (	3521	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,	3522	reentrant => 0,
2889	parked => 1,	3523	parked => 1,
2890	prio => 0,	3524	prio => 0,
2891	at => $NEXT_TICK || $TICK,	3525	at => $NEXT_TICK || $TICK,
…		…
2899		3533
2900	$NOW = $tick_start = Event::time;	3534	$NOW = $tick_start = Event::time;
2901		3535
2902	cf::server_tick; # one server iteration	3536	cf::server_tick; # one server iteration
2903		3537
2904	0 && sync_job {#d#
2905	for(1..10) {
2906	my $t = Event::time;
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2908	or die;
2909
2910	$map->width (50);
2911	$map->height (50);
2912	$map->alloc;
2913	$map->_load_objects ("/tmp/x.map", 1);
2914	my $t = Event::time - $t;
2915
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};
2926
2927	$RUNTIME += $TICK;	3538	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;	3539	$NEXT_TICK += $TICK;
2929		3540
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;	3542	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {	3543	Coro::async_pool {
		3544	$Coro::current->{desc} = "runtime saver";
2933	write_runtime	3545	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";	3546	or warn "ERROR: unable to write runtime file: $!";
2935	};	3547	};
2936	}	3548	}
2937		3549
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3551	$sig->send;
2943	}	3552	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3553	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	3554	$sig->send;
…		…
2955		3564
2956	$LOAD = ($NOW - $tick_start) / $TICK;	3565	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		3567
2959	_post_tick;	3568	_post_tick;
2960
2961
2962	},	3569	},
2963	);	3570	);
2964		3571
2965	{	3572	{
		3573	BDB::min_parallel 8;
2966	BDB::max_poll_time $TICK * 0.1;	3574	BDB::max_poll_time $TICK * 0.1;
2967	$BDB_POLL_WATCHER = Event->io (	3575	$BDB_POLL_WATCHER = Event->io (
2968	reentrant => 0,	3576	reentrant => 0,
2969	fd => BDB::poll_fileno,	3577	fd => BDB::poll_fileno,
2970	poll => 'r',	3578	poll => 'r',
2971	prio => 0,	3579	prio => 0,
2972	data => WF_AUTOCANCEL,	3580	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,	3581	cb => \&BDB::poll_cb,
2974	);	3582	);
2975	BDB::min_parallel 8;
2976		3583
2977	BDB::set_sync_prepare {	3584	BDB::set_sync_prepare {
2978	my $status;	3585	my $status;
2979	my $current = $Coro::current;	3586	my $current = $Coro::current;
2980	(	3587	(
…		…
2989	)	3596	)
2990	};	3597	};
2991		3598
2992	unless ($DB_ENV) {	3599	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	3600	$DB_ENV = BDB::db_env_create;
		3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3602	| BDB::LOG_AUTOREMOVE, 1);
		3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		3605
2995	cf::sync_job {	3606	cf::sync_job {
2996	eval {	3607	eval {
2997	BDB::db_env_open	3608	BDB::db_env_open
2998	$DB_ENV,	3609	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3611	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3612	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	3613	0666;
3003		3614
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3615	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	3616	};
3009		3617
3010	cf::cleanup "db_env_open(db): $@" if $@;	3618	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	3619	};
3012	}	3620	}
		3621
		3622	$BDB_DEADLOCK_WATCHER = Event->timer (
		3623	after => 3,
		3624	interval => 1,
		3625	hard => 1,
		3626	prio => 0,
		3627	data => WF_AUTOCANCEL,
		3628	cb => sub {
		3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3630	},
		3631	);
		3632	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3633	after => 11,
		3634	interval => 60,
		3635	hard => 1,
		3636	prio => 0,
		3637	data => WF_AUTOCANCEL,
		3638	cb => sub {
		3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3640	},
		3641	);
		3642	$BDB_TRICKLE_WATCHER = Event->timer (
		3643	after => 5,
		3644	interval => 10,
		3645	hard => 1,
		3646	prio => 0,
		3647	data => WF_AUTOCANCEL,
		3648	cb => sub {
		3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3650	},
		3651	);
3013	}	3652	}
3014		3653
3015	{	3654	{
3016	IO::AIO::min_parallel 8;	3655	IO::AIO::min_parallel 8;
3017		3656
…		…
3020	$AIO_POLL_WATCHER = Event->io (	3659	$AIO_POLL_WATCHER = Event->io (
3021	reentrant => 0,	3660	reentrant => 0,
3022	data => WF_AUTOCANCEL,	3661	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,	3662	fd => IO::AIO::poll_fileno,
3024	poll => 'r',	3663	poll => 'r',
3025	prio => 6,	3664	prio => 0,
3026	cb => \&IO::AIO::poll_cb,	3665	cb => \&IO::AIO::poll_cb,
3027	);	3666	);
3028	}	3667	}
3029		3668
3030	my $_log_backtrace;	3669	my $_log_backtrace;
…		…
3036		3675
3037	# limit the # of concurrent backtraces	3676	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	3677	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	3678	++$_log_backtrace;
3040	async {	3679	async {
		3680	$Coro::current->{desc} = "abt $msg";
		3681
3041	my @bt = fork_call {	3682	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	3683	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3684	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3685	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	3686	or die "addr2line: $!";

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