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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC

…		…
3	use utf8;	3	use utf8;
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 Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	76	our $NEXT_TICK;
50	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
51		82
52	our %CFG;	83	our %CFG;
53		84
54	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	86	our $RUNTIME;
56		87
57	our %PLAYER; # all users	88	our %PLAYER; # all users
58	our %MAP; # all maps	89	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		91
65	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
68	binmode STDOUT;	99	binmode STDOUT;
69	binmode STDERR;	100	binmode STDERR;
70		101
71	# read virtual server time, if available	102	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
76	}	107	}
77		108
78	mkdir cf::localdir;	109	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		111
84	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
85		115
86	#############################################################################	116	#############################################################################
87		117
88	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
89		119
…		…
96	=item $cf::RUNTIME	126	=item $cf::RUNTIME
97		127
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	129	every server tick.
100		130
101	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		134
103	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
105		139
106	=item $cf::NOW	140	=item $cf::NOW
107		141
108	The time of the last (current) server tick.	142	The time of the last (current) server tick.
109		143
110	=item $cf::TICK	144	=item $cf::TICK
111		145
112	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
113		157
114	=item %cf::CFG	158	=item %cf::CFG
115		159
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	161	from wherever your confdir points to.
118		162
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		164
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.
125		168
126	=back	169	=back
127		170
128	=cut	171	=cut
129		172
130	BEGIN {	173	BEGIN {
131	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	175	my $msg = join "", @_;
133	utf8::encode $msg;
134		176
135	$msg .= "\n"	177	$msg .= "\n"
136	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
137		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
138	LOG llevError, $msg;	183	LOG llevError, $msg;
139	};	184	};
140	}	185	}
141		186
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		194
149	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	196	# within the Safe compartment.
151	for my $pkg (qw(	197	for my $pkg (qw(
152	cf::global cf::attachable	198	cf::global cf::attachable
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	235	$d
190	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
191	}	237	}
192		238
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		240
195	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
196		242
197	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
198		244
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
207		246
208	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		248
217	=item cf::lock_wait $string	249	=item cf::lock_wait $string
218		250
219	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
220		252
…		…
226	returned.	258	returned.
227		259
228	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
230		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
231	=cut	267	=cut
232		268
233	our %LOCK;	269	our %LOCK;
234		270
235	sub lock_wait($) {	271	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
256	}	292	}
257	}	293	}
258		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
259	sub freeze_mainloop {	301	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
261		303
262	my $guard = Coro::guard { $TICK_WATCHER->start };	304	my $guard = Coro::guard {
		305	$TICK_WATCHER->start;
		306	};
263	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
264	$guard	308	$guard
265	}	309	}
266		310
267	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
289		333
290	sub sync_job(&) {	334	sub sync_job(&) {
291	my ($job) = @_;	335	my ($job) = @_;
292		336
293	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
294	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
296		342
297	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
309		355
310	while ($busy) {	356	while ($busy) {
311	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
312	}	358	}
313		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
314	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
315	} else {	368	} else {
316	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
317		370
318	$job->()	371	$job->()
…		…
338		391
339	$coro	392	$coro
340	}	393	}
341		394
342	sub write_runtime {	395	sub write_runtime {
343	return unless $TICK_WATCHER->is_active;	396	my $runtime = "$LOCALDIR/runtime";
344		397
345	my $runtime = cf::localdir . "/runtime";	398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
346		404
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
348	or return;	406	or return;
349		407
		408	my $value = $cf::RUNTIME + 90 + 10;
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	409	# 10 is the runtime save interval, for a monotonic clock
		410	# 60 allows for the watchdog to kill the server.
		411
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
352	and return;	413	and return;
353		414
		415	# always fsync - this file is important
354	aio_fsync $fh	416	aio_fsync $fh
355	and return;	417	and return;
356		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
357	close $fh	422	close $fh
358	or return;	423	or return;
359		424
360	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
361	and return;	426	and return;
362		427
		428	warn "runtime file written.\n";
		429
363	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	442	}
365		443
366	=back	444	=back
367		445
368	=cut	446	=cut
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	578	our @CB_MAP = ();
501		579
502	my %attachment;	580	my %attachment;
503		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
		587
504	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
506		590
507	use sort 'stable';	591	use sort 'stable';
508		592
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
543		627
544	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		632
549	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	634	my $pkg = shift @arg;
551		635
552	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	665	_attach $registry, $klass, @attach;
582	}	666	}
583		667
584	$obj->{$name} = \%arg;	668	$obj->{$name} = \%arg;
585	} else {	669	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	670	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	671	}
588		672
589	$obj->{_attachment}{$name} = undef;	673	$obj->{_attachment}{$name} = undef;
590	}	674	}
591		675
…		…
593	if (ref $_[0]) {	677	if (ref $_[0]) {
594	_object_attach @_;	678	_object_attach @_;
595	} else {	679	} else {
596	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
597	}	681	}
		682	_recalc_want;
598	};	683	};
599		684
600	# all those should be optimised	685	# all those should be optimised
601	sub cf::attachable::detach {	686	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
606	reattach ($obj);	691	reattach ($obj);
607	} else {	692	} else {
608	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
609	}	694	}
		695	_recalc_want;
610	};	696	};
611		697
612	sub cf::attachable::attached {	698	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
614		700
…		…
679	# object support	765	# object support
680		766
681	sub reattach {	767	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	768	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	769	my ($obj) = @_;
		770
		771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		772
685	my $registry = $obj->registry;	773	my $registry = $obj->registry;
686		774
687	@$registry = ();	775	@$registry = ();
688		776
…		…
735	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
736		824
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	829	close $fh;
742		830
743	if (@$objs) {	831	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	837	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
751	}	839	}
752	} else {	840	} else {
753	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
785	or return;	873	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
787	}	875	}
788		876
789	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	879	return ($data, $av);
792	}	880	}
793		881
794	#############################################################################	882	#############################################################################
795	# command handling &c	883	# command handling &c
…		…
855		943
856	cf::override;	944	cf::override;
857	},	945	},
858	);	946	);
859		947
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
895	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	953	next unless -r $path;
897	eval {	954
898	load_extension $ext;	955	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		956	my $base = $1;
		957	my $pkg = $1;
		958	$pkg =~ s/[^[:word:]]/_/g;
		959	$pkg = "ext::$pkg";
		960
		961	open my $fh, "<:utf8", $path
		962	or die "$path: $!";
		963
		964	my $source = do { local $/; <$fh> };
		965
		966	my %ext = (
		967	path => $path,
		968	base => $base,
		969	pkg => $pkg,
		970	);
		971
		972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		974
		975	$ext{source} =
		976	"package $pkg; use strict; use utf8;\n"
		977	. "#line 1 \"$path\"\n{\n"
		978	. $source
		979	. "\n};\n1";
		980
		981	$todo{$base} = \%ext;
		982	}
		983
		984	my %done;
		985	while (%todo) {
		986	my $progress;
		987
		988	while (my ($k, $v) = each %todo) {
		989	for (split /,\s*/, $v->{meta}{depends}) {
		990	goto skip
		991	unless exists $done{$_};
		992	}
		993
		994	warn "... loading '$k' into '$v->{pkg}'\n";
		995
		996	unless (eval $v->{source}) {
		997	my $msg = $@ ? "$v->{path}: $@\n"
		998	: "$v->{base}: extension inactive.\n";
		999
		1000	if (exists $v->{meta}{mandatory}) {
		1001	warn $msg;
		1002	warn "mandatory extension failed to load, exiting.\n";
		1003	exit 1;
		1004	}
		1005
		1006	warn $msg;
		1007	}
		1008
		1009	$done{$k} = delete $todo{$k};
		1010	push @EXTS, $v->{pkg};
		1011	$progress = 1;
899	1	1012	}
900	} or warn "$ext not loaded: $@";	1013
		1014	skip:
		1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1016	unless $progress;
		1017	}
901	}	1018	};
902	}	1019	}
903		1020
904	#############################################################################	1021	#############################################################################
905	# load/save/clean perl data associated with a map
906
907	*cf::mapsupport::on_clean = sub {
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1022
920	=head2 CORE EXTENSIONS	1023	=head2 CORE EXTENSIONS
921		1024
922	Functions and methods that extend core crossfire objects.	1025	Functions and methods that extend core crossfire objects.
923		1026
…		…
936	Returns the given player object, loading it if necessary (might block).	1039	Returns the given player object, loading it if necessary (might block).
937		1040
938	=cut	1041	=cut
939		1042
940	sub playerdir($) {	1043	sub playerdir($) {
941	cf::localdir	1044	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1045	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1046	}
947		1047
948	sub path($) {	1048	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1049	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1050
951	(playerdir $login) . "/$login.pl"	1051	(playerdir $login) . "/playerdata"
952	}	1052	}
953		1053
954	sub find_active($) {	1054	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1055	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1056	and $cf::PLAYER{$_[0]}->active
…		…
959		1059
960	sub exists($) {	1060	sub exists($) {
961	my ($login) = @_;	1061	my ($login) = @_;
962		1062
963	$cf::PLAYER{$login}	1063	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1064	or cf::sync_job { !aio_stat path $login }
965	}	1065	}
966		1066
967	sub find($) {	1067	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1068	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1069	my $login = $_[0];
970		1070
971	my $guard = cf::lock_acquire "user_find:$login";	1071	my $guard = cf::lock_acquire "user_find:$login";
972		1072
973	$cf::PLAYER{$_[0]} || do {	1073	$cf::PLAYER{$_[0]} || do {
		1074	# rename old playerfiles to new ones
		1075	#TODO: remove when no longer required
		1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1079	aio_unlink +(playerdir $login) . "/$login.pl";
		1080
974	my $pl = load_pl path $login	1081	my $pl = load_pl path $login
975	or return;	1082	or return;
976	$cf::PLAYER{$login} = $pl	1083	$cf::PLAYER{$login} = $pl
977	}	1084	}
978	}	1085	}
…		…
1015		1122
1016	=cut	1123	=cut
1017		1124
1018	sub quit_character {	1125	sub quit_character {
1019	my ($pl) = @_;	1126	my ($pl) = @_;
		1127
		1128	my $name = $pl->ob->name;
1020		1129
1021	$pl->{deny_save} = 1;	1130	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1131	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1132
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1138	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1139	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1140	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1141	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1142	$pl->destroy;
		1143
		1144	my $prefix = qr<^~\Q$name\E/>;
		1145
		1146	# nuke player maps
		1147	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1148
1034	IO::AIO::aio_rmtree $temp;	1149	IO::AIO::aio_rmtree $temp;
		1150	}
		1151
		1152	=item $pl->kick
		1153
		1154	Kicks a player out of the game. This destroys the connection.
		1155
		1156	=cut
		1157
		1158	sub kick {
		1159	my ($pl, $kicker) = @_;
		1160
		1161	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1162	$pl->killer ("kicked");
		1163	$pl->ns->destroy;
1035	}	1164	}
1036		1165
1037	=item cf::player::list_logins	1166	=item cf::player::list_logins
1038		1167
1039	Returns am arrayref of all valid playernames in the system, can take a	1168	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1169	while and may block, so not sync_job-capable, ever.
1041		1170
1042	=cut	1171	=cut
1043		1172
1044	sub list_logins {	1173	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1174	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1175	or return [];
1047		1176
1048	my @logins;	1177	my @logins;
1049		1178
1050	for my $login (@$dirs) {	1179	for my $login (@$dirs) {
…		…
1067	=cut	1196	=cut
1068		1197
1069	sub maps($) {	1198	sub maps($) {
1070	my ($pl) = @_;	1199	my ($pl) = @_;
1071		1200
		1201	$pl = ref $pl ? $pl->ob->name : $pl;
		1202
1072	my $files = aio_readdir playerdir $pl	1203	my $files = aio_readdir playerdir $pl
1073	or return;	1204	or return;
1074		1205
1075	my @paths;	1206	my @paths;
1076		1207
1077	for (@$files) {	1208	for (@$files) {
1078	utf8::decode $_;	1209	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1210	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1211	next unless /^$PATH_SEP/o;
1081		1212
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1213	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1214	}
1084		1215
1085	\@paths	1216	\@paths
1086	}	1217	}
1087		1218
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1219	=item $player->ext_reply ($msgid, %msg)
1089		1220
1090	Sends an ext reply to the player.	1221	Sends an ext reply to the player.
1091		1222
1092	=cut	1223	=cut
1093		1224
1094	sub ext_reply($$$%) {	1225	sub ext_reply($$%) {
1095	my ($self, $id, %msg) = @_;	1226	my ($self, $id, %msg) = @_;
1096		1227
1097	$msg{msgid} = $id;	1228	$msg{msgid} = $id;
1098		1229
1099	$self->send ("ext " . cf::to_json \%msg);	1230	$self->send ("ext " . cf::to_json \%msg);
1100	}	1231	}
1101		1232
1102	package cf;	1233	=item $player->ext_event ($type, %msg)
		1234
		1235	Sends an ext event to the client.
		1236
		1237	=cut
		1238
		1239	sub ext_event($$%) {
		1240	my ($self, $type, %msg) = @_;
		1241
		1242	$self->ns->ext_event ($type, %msg);
		1243	}
		1244
		1245	=head3 cf::region
		1246
		1247	=over 4
		1248
		1249	=cut
		1250
		1251	package cf::region;
		1252
		1253	=item cf::region::find_by_path $path
		1254
		1255	Tries to decuce the probable region for a map knowing only its path.
		1256
		1257	=cut
		1258
		1259	sub find_by_path($) {
		1260	my ($path) = @_;
		1261
		1262	my ($match, $specificity);
		1263
		1264	for my $region (list) {
		1265	if ($region->match && $path =~ $region->match) {
		1266	($match, $specificity) = ($region, $region->specificity)
		1267	if $region->specificity > $specificity;
		1268	}
		1269	}
		1270
		1271	$match
		1272	}
1103		1273
1104	=back	1274	=back
1105
1106		1275
1107	=head3 cf::map	1276	=head3 cf::map
1108		1277
1109	=over 4	1278	=over 4
1110		1279
…		…
1114		1283
1115	use Fcntl;	1284	use Fcntl;
1116	use Coro::AIO;	1285	use Coro::AIO;
1117		1286
1118	use overload	1287	use overload
1119	'""' => \&as_string;	1288	'""' => \&as_string,
		1289	fallback => 1;
1120		1290
1121	our $MAX_RESET = 3600;	1291	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1292	our $DEFAULT_RESET = 3000;
1123		1293
1124	sub generate_random_map {	1294	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1295	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1296	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1297	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1307	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1308	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1309	)
1141	}	1310	}
1142		1311
		1312	=item cf::map->register ($regex, $prio)
		1313
		1314	Register a handler for the map path matching the given regex at the
		1315	givne priority (higher is better, built-in handlers have priority 0, the
		1316	default).
		1317
		1318	=cut
		1319
1143	sub register {	1320	sub register {
1144	my (undef, $regex) = @_;	1321	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1322	my $pkg = caller;
1146		1323
1147	no strict;	1324	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1325	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1326
1150	$EXT_MAP{$pkg} = qr<$regex>;	1327	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1328	}
1152		1329
1153	# also paths starting with '/'	1330	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1331	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1332
		1333	sub thawer_merge {
		1334	my ($self, $merge) = @_;
		1335
		1336	# we have to keep some variables in memory intact
		1337	local $self->{path};
		1338	local $self->{load_path};
		1339
		1340	$self->SUPER::thawer_merge ($merge);
		1341	}
1155		1342
1156	sub normalise {	1343	sub normalise {
1157	my ($path, $base) = @_;	1344	my ($path, $base) = @_;
		1345
		1346	$path = "$path"; # make sure its a string
		1347
		1348	$path =~ s/\.map$//;
1158		1349
1159	# map plan:	1350	# map plan:
1160	#	1351	#
1161	# /! non-realised random map exit (special hack!)	1352	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1353	# {... are special paths that are not being touched
…		…
1190		1381
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1382	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1383
1193	$path = normalise $path, $base;	1384	$path = normalise $path, $base;
1194		1385
1195	for my $pkg (keys %EXT_MAP) {	1386	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1387	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1388	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1389	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1390	$self->init; # pass $1 etc.
1200	return $self;	1391	return $self;
1201	}	1392	}
1202	}	1393	}
1203		1394
1204	Carp::carp "unable to resolve path '$path'.";	1395	Carp::carp "unable to resolve path '$path' (base '$base').";
1205	()	1396	()
1206	}	1397	}
1207		1398
1208	sub init {	1399	sub init {
1209	my ($self) = @_;	1400	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1411	# the displayed name, this is a one way mapping
1221	sub visible_name {	1412	sub visible_name {
1222	&as_string	1413	&as_string
1223	}	1414	}
1224		1415
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1416	# the original (read-only) location
1233	sub load_path {	1417	sub load_path {
1234	my ($self) = @_;	1418	my ($self) = @_;
1235		1419
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1420	"$MAPDIR/$self->{path}.map"
1237	}	1421	}
1238		1422
1239	# the temporary/swap location	1423	# the temporary/swap location
1240	sub save_path {	1424	sub save_path {
1241	my ($self) = @_;	1425	my ($self) = @_;
1242		1426
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1428	"$TMPDIR/$path.map"
1244	}	1429	}
1245		1430
1246	# the unique path, undef == no special unique path	1431	# the unique path, undef == no special unique path
1247	sub uniq_path {	1432	sub uniq_path {
1248	my ($self) = @_;	1433	my ($self) = @_;
1249		1434
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1436	"$UNIQUEDIR/$path"
1251	}	1437	}
1252		1438
1253	# and all this just because we cannot iterate over	1439	# and all this just because we cannot iterate over
1254	# all maps in C++...	1440	# all maps in C++...
1255	sub change_all_map_light {	1441	sub change_all_map_light {
…		…
1257		1443
1258	$_->change_map_light ($change)	1444	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1445	for grep $_->outdoor, values %cf::MAP;
1260	}	1446	}
1261		1447
		1448	sub decay_objects {
		1449	my ($self) = @_;
		1450
		1451	return if $self->{deny_reset};
		1452
		1453	$self->do_decay_objects;
		1454	}
		1455
1262	sub unlink_save {	1456	sub unlink_save {
1263	my ($self) = @_;	1457	my ($self) = @_;
1264		1458
1265	utf8::encode (my $save = $self->save_path);	1459	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1461	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1462	}
1269		1463
1270	sub load_header_from($) {	1464	sub load_header_from($) {
1271	my ($self, $path) = @_;	1465	my ($self, $path) = @_;
1272		1466
1273	utf8::encode $path;	1467	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1468	#aio_open $path, O_RDONLY, 0
1275	or return;	1469	# or return;
1276		1470
1277	$self->_load_header ($path)	1471	$self->_load_header ($path)
1278	or return;	1472	or return;
1279		1473
1280	$self->{load_path} = $path;	1474	$self->{load_path} = $path;
1281		1475
1282	1	1476	1
1283	}	1477	}
1284		1478
1285	sub load_orig {	1479	sub load_header_orig {
1286	my ($self) = @_;	1480	my ($self) = @_;
1287		1481
1288	$self->load_header_from ($self->load_path)	1482	$self->load_header_from ($self->load_path)
1289	}	1483	}
1290		1484
1291	sub load_temp {	1485	sub load_header_temp {
1292	my ($self) = @_;	1486	my ($self) = @_;
1293		1487
1294	$self->load_header_from ($self->save_path)	1488	$self->load_header_from ($self->save_path)
		1489	}
		1490
		1491	sub prepare_temp {
		1492	my ($self) = @_;
		1493
		1494	$self->last_access ((delete $self->{last_access})
		1495	|| $cf::RUNTIME); #d#
		1496	# safety
		1497	$self->{instantiate_time} = $cf::RUNTIME
		1498	if $self->{instantiate_time} > $cf::RUNTIME;
		1499	}
		1500
		1501	sub prepare_orig {
		1502	my ($self) = @_;
		1503
		1504	$self->{load_original} = 1;
		1505	$self->{instantiate_time} = $cf::RUNTIME;
		1506	$self->last_access ($cf::RUNTIME);
		1507	$self->instantiate;
1295	}	1508	}
1296		1509
1297	sub load_header {	1510	sub load_header {
1298	my ($self) = @_;	1511	my ($self) = @_;
1299		1512
1300	if ($self->load_temp) {	1513	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1514	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1515	} else {
1307	$self->load_orig	1516	$self->load_header_orig
1308	or return;	1517	or return;
1309		1518	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1519	}
		1520
		1521	$self->{deny_reset} = 1
		1522	if $self->no_reset;
		1523
		1524	$self->default_region (cf::region::find_by_path $self->{path})
		1525	unless $self->default_region;
1315		1526
1316	1	1527	1
1317	}	1528	}
1318		1529
1319	sub find;	1530	sub find;
…		…
1332	$map->{last_save} = $cf::RUNTIME;	1543	$map->{last_save} = $cf::RUNTIME;
1333		1544
1334	$map->load_header	1545	$map->load_header
1335	or return;	1546	or return;
1336		1547
1337	if ($map->should_reset) {	1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1549	# doing this can freeze the server in a sync job, obviously
		1550	#$cf::WAIT_FOR_TICK->wait;
1338	$map->reset;	1551	$map->reset;
1339	undef $guard;	1552	undef $guard;
1340	$map = find $path	1553	return find $path;
1341	or return;
1342	}	1554	}
1343		1555
1344	$cf::MAP{$path} = $map	1556	$cf::MAP{$path} = $map
1345	}	1557	}
1346	}	1558	}
		1559
		1560	sub pre_load { }
		1561	sub post_load { }
1347		1562
1348	sub load {	1563	sub load {
1349	my ($self) = @_;	1564	my ($self) = @_;
1350		1565
		1566	local $self->{deny_reset} = 1; # loading can take a long time
		1567
1351	my $path = $self->{path};	1568	my $path = $self->{path};
		1569
		1570	{
1352	my $guard = cf::lock_acquire "map_load:$path";	1571	my $guard = cf::lock_acquire "map_load:$path";
1353		1572
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1573	return if $self->in_memory != cf::MAP_SWAPPED;
1355		1574
1356	$self->in_memory (cf::MAP_LOADING);	1575	$self->in_memory (cf::MAP_LOADING);
1357		1576
1358	$self->alloc;	1577	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)
1360	or return;
1361		1578
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1579	$self->pre_load;
1363	if delete $self->{load_original};
1364
1365	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {
1368	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);
1370	}
1371	}
1372
1373	Coro::cede;
1374
1375	# now do the right thing for maps
1376	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;	1580	Coro::cede;
1383	$self->set_darkness_map;	1581
		1582	$self->_load_objects ($self->{load_path}, 1)
		1583	or return;
		1584
		1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1586	if delete $self->{load_original};
		1587
		1588	if (my $uniq = $self->uniq_path) {
		1589	utf8::encode $uniq;
		1590	if (aio_open $uniq, O_RDONLY, 0) {
		1591	$self->clear_unique_items;
		1592	$self->_load_objects ($uniq, 0);
		1593	}
		1594	}
		1595
		1596	Coro::cede;
		1597	# now do the right thing for maps
		1598	$self->link_multipart_objects;
1384	$self->difficulty ($self->estimate_difficulty)	1599	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1600	unless $self->difficulty;
1386	Coro::cede;	1601	Coro::cede;
		1602
		1603	unless ($self->{deny_activate}) {
		1604	$self->decay_objects;
		1605	$self->fix_auto_apply;
		1606	$self->update_buttons;
		1607	Coro::cede;
		1608	$self->set_darkness_map;
		1609	Coro::cede;
1387	$self->activate;	1610	$self->activate;
1388	}	1611	}
1389		1612
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1613	$self->in_memory (cf::MAP_IN_MEMORY);
		1614	}
		1615
		1616	$self->post_load;
1391	}	1617	}
1392		1618
1393	sub customise_for {	1619	sub customise_for {
1394	my ($self, $ob) = @_;	1620	my ($self, $ob) = @_;
1395		1621
1396	return find "~" . $ob->name . "/" . $self->{path}	1622	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1623	if $self->per_player;
		1624
		1625	# return find "?party/" . $ob->name . "/" . $self->{path}
		1626	# if $self->per_party;
1398		1627
1399	$self	1628	$self
1400	}	1629	}
1401		1630
1402	# find and load all maps in the 3x3 area around a map	1631	# find and load all maps in the 3x3 area around a map
…		…
1434		1663
1435	cf::sync_job { $map->load };	1664	cf::sync_job { $map->load };
1436	}	1665	}
1437		1666
1438	our %MAP_PREFETCH;	1667	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	1668	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		1669
1452	sub find_async {	1670	sub find_async {
1453	my ($path, $origin) = @_;	1671	my ($path, $origin) = @_;
1454		1672
1455	$path = normalise $path, $origin && $origin->{path};	1673	$path = normalise $path, $origin && $origin->{path};
1456		1674
1457	if (my $map = $cf::MAP{$path}) {	1675	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	1677	}
1460		1678
1461	$MAP_PREFETCH{$path} = 0;	1679	undef $MAP_PREFETCH{$path};
		1680	$MAP_PREFETCHER ||= cf::async {
		1681	while (%MAP_PREFETCH) {
		1682	for my $path (keys %MAP_PREFETCH) {
		1683	my $map = find $path
		1684	or next;
		1685	$map->load;
		1686
		1687	delete $MAP_PREFETCH{$path};
		1688	}
		1689	}
		1690	undef $MAP_PREFETCHER;
		1691	};
1462	$MAP_PREFETCHER->ready;	1692	$MAP_PREFETCHER->prio (6);
1463		1693
1464	()	1694	()
1465	}	1695	}
1466		1696
1467	sub save {	1697	sub save {
…		…
1512		1742
1513	sub reset_at {	1743	sub reset_at {
1514	my ($self) = @_;	1744	my ($self) = @_;
1515		1745
1516	# TODO: safety, remove and allow resettable per-player maps	1746	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	1747	return 1e99 if $self->{deny_reset};
1519		1748
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1749	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1750	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		1751
…		…
1527	my ($self) = @_;	1756	my ($self) = @_;
1528		1757
1529	$self->reset_at <= $cf::RUNTIME	1758	$self->reset_at <= $cf::RUNTIME
1530	}	1759	}
1531		1760
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	1761	sub reset {
1547	my ($self) = @_;	1762	my ($self) = @_;
1548		1763
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	1764	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		1765
1551	return if $self->players;	1766	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		1767
1554	warn "resetting map ", $self->path;#d#	1768	warn "resetting map ", $self->path;
		1769
		1770	$self->in_memory (cf::MAP_SWAPPED);
		1771
		1772	# need to save uniques path
		1773	unless ($self->{deny_save}) {
		1774	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1775
		1776	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1777	if $uniq;
		1778	}
1555		1779
1556	delete $cf::MAP{$self->path};	1780	delete $cf::MAP{$self->path};
		1781
		1782	$self->clear;
1557		1783
1558	$_->clear_links_to ($self) for values %cf::MAP;	1784	$_->clear_links_to ($self) for values %cf::MAP;
1559		1785
1560	$self->unlink_save;	1786	$self->unlink_save;
1561	$self->destroy;	1787	$self->destroy;
…		…
1564	my $nuke_counter = "aaaa";	1790	my $nuke_counter = "aaaa";
1565		1791
1566	sub nuke {	1792	sub nuke {
1567	my ($self) = @_;	1793	my ($self) = @_;
1568		1794
		1795	delete $cf::MAP{$self->path};
		1796
		1797	$self->unlink_save;
		1798
		1799	bless $self, "cf::map";
		1800	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	1801	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	1802	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1804
		1805	$cf::MAP{$self->path} = $self;
		1806
1572	$self->reset; # polite request, might not happen	1807	$self->reset; # polite request, might not happen
		1808	}
		1809
		1810	=item $maps = cf::map::tmp_maps
		1811
		1812	Returns an arrayref with all map paths of currently instantiated and saved
		1813	maps. May block.
		1814
		1815	=cut
		1816
		1817	sub tmp_maps() {
		1818	[
		1819	map {
		1820	utf8::decode $_;
		1821	/\.map$/
		1822	? normalise $_
		1823	: ()
		1824	} @{ aio_readdir $TMPDIR or [] }
		1825	]
		1826	}
		1827
		1828	=item $maps = cf::map::random_maps
		1829
		1830	Returns an arrayref with all map paths of currently instantiated and saved
		1831	random maps. May block.
		1832
		1833	=cut
		1834
		1835	sub random_maps() {
		1836	[
		1837	map {
		1838	utf8::decode $_;
		1839	/\.map$/
		1840	? normalise "?random/$_"
		1841	: ()
		1842	} @{ aio_readdir $RANDOMDIR or [] }
		1843	]
1573	}	1844	}
1574		1845
1575	=item cf::map::unique_maps	1846	=item cf::map::unique_maps
1576		1847
1577	Returns an arrayref of paths of all shared maps that have	1848	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	1849	instantiated unique items. May block.
1579		1850
1580	=cut	1851	=cut
1581		1852
1582	sub unique_maps() {	1853	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1854	[
1584	or return;	1855	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	1856	utf8::decode $_;
1590	next if /\.pst$/;	1857	/\.map$/
1591	next unless /^$PATH_SEP/o;	1858	? normalise $_
1592		1859	: ()
1593	push @paths, $_;	1860	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	1861	]
1595
1596	\@paths
1597	}	1862	}
1598		1863
1599	package cf;	1864	package cf;
1600		1865
1601	=back	1866	=back
…		…
1692	=cut	1957	=cut
1693		1958
1694	sub link_map {	1959	sub link_map {
1695	unless ($LINK_MAP) {	1960	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	1961	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1962	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	1963	$LINK_MAP->load;
1699	}	1964	}
1700		1965
1701	$LINK_MAP	1966	$LINK_MAP
1702	}	1967	}
…		…
1707	$self->deactivate_recursive;	1972	$self->deactivate_recursive;
1708		1973
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	1974	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1975
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1977	if $self->map && $self->map->{path} ne "{link}";
1713		1978
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1980	}
1716		1981
1717	sub cf::object::player::leave_link {	1982	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1983	my ($self, $map, $x, $y) = @_;
		1984
		1985	return unless $self->contr->active;
1719		1986
1720	my $link_pos = delete $self->{_link_pos};	1987	my $link_pos = delete $self->{_link_pos};
1721		1988
1722	unless ($map) {	1989	unless ($map) {
1723	# restore original map position	1990	# restore original map position
…		…
1741	$map->load;	2008	$map->load;
1742	$map->load_diag;	2009	$map->load_diag;
1743		2010
1744	return unless $self->contr->active;	2011	return unless $self->contr->active;
1745	$self->activate_recursive;	2012	$self->activate_recursive;
		2013
		2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2015	$self->enter_map ($map, $x, $y);
1747	}	2016	}
1748		2017
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)	2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		2019
		2020	Moves the player to the given map-path and coordinates by first freezing
		2021	her, loading and preparing them map, calling the provided $check callback
		2022	that has to return the map if sucecssful, and then unfreezes the player on
		2023	the new (success) or old (failed) map position.
		2024
1783	=cut	2025	=cut
		2026
		2027	our $GOTOGEN;
1784		2028
1785	sub cf::object::player::goto {	2029	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2030	my ($self, $path, $x, $y, $check) = @_;
		2031
		2032	# do generation counting so two concurrent goto's will be executed in-order
		2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2034
1788	$self->enter_link;	2035	$self->enter_link;
1789		2036
1790	(async {	2037	(async {
		2038	my $map = eval {
1791	my $map = cf::map::find $path;	2039	my $map = cf::map::find $path;
		2040
		2041	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2042	$map = $map->customise_for ($self);
1793		2043	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2044	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2046	}
1798		2047
		2048	$map
		2049	};
		2050
		2051	if ($@) {
		2052	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2053	LOG llevError | logBacktrace, Carp::longmess $@;
		2054	}
		2055
		2056	if ($gen == $self->{_goto_generation}) {
		2057	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2058	$self->leave_link ($map, $x, $y);
		2059	}
1800	})->prio (1);	2060	})->prio (1);
1801	}	2061	}
1802		2062
1803	=item $player_object->enter_exit ($exit_object)	2063	=item $player_object->enter_exit ($exit_object)
1804		2064
…		…
1806		2066
1807	sub parse_random_map_params {	2067	sub parse_random_map_params {
1808	my ($spec) = @_;	2068	my ($spec) = @_;
1809		2069
1810	my $rmp = { # defaults	2070	my $rmp = { # defaults
1811	xsize => 10,	2071	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2072	ysize => (cf::rndm 15, 40),
		2073	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2074	#layout => string,
1813	};	2075	};
1814		2076
1815	for (split /\n/, $spec) {	2077	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2078	my ($k, $v) = split /\s+/, $_, 2;
1817		2079
…		…
1821	$rmp	2083	$rmp
1822	}	2084	}
1823		2085
1824	sub prepare_random_map {	2086	sub prepare_random_map {
1825	my ($exit) = @_;	2087	my ($exit) = @_;
		2088
		2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2090
1827	# all this does is basically replace the /! path by	2091	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2092	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2093	# that depends on the exit object
1830		2094
1831	my $rmp = parse_random_map_params $exit->msg;	2095	my $rmp = parse_random_map_params $exit->msg;
1832		2096
1833	if ($exit->map) {	2097	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2098	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2099	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2100	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2101	$rmp->{origin_y} = $exit->y;
1838	}	2102	}
1839		2103
1840	$rmp->{random_seed} ||= $exit->random_seed;	2104	$rmp->{random_seed} ||= $exit->random_seed;
1841		2105
1842	my $data = cf::to_json $rmp;	2106	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2107	my $md5 = Digest::MD5::md5_hex $data;
		2108	my $meta = "$RANDOMDIR/$md5.meta";
1844		2109
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2111	aio_write $fh, 0, (length $data), $data, 0;
		2112	undef $fh;
		2113	aio_rename "$meta~", $meta;
1847		2114
1848	$exit->slaying ("?random/$md5");	2115	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2116	$exit->msg (undef);
1850	}	2117	}
1851	}	2118	}
1852		2119
1853	sub cf::object::player::enter_exit {	2120	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2121	my ($self, $exit) = @_;
1855		2122
1856	return unless $self->type == cf::PLAYER;	2123	return unless $self->type == cf::PLAYER;
		2124
		2125	if ($exit->slaying eq "/!") {
		2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2127	# the problem is that $exit might not survive long enough
		2128	# so it needs to be done right now, right here
		2129	cf::sync_job { prepare_random_map $exit };
		2130	}
		2131
		2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2133	my $hp = $exit->stats->hp;
		2134	my $sp = $exit->stats->sp;
1857		2135
1858	$self->enter_link;	2136	$self->enter_link;
1859		2137
1860	(async {	2138	(async {
1861	$self->deactivate_recursive; # just to be sure	2139	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2140	unless (eval {
1863	prepare_random_map $exit	2141	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2142
1869	1;	2143	1;
1870	}) {	2144	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2145	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2146	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2147	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2148	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2149
1876	warn "ERROR in enter_exit: $@";	2150	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2151	$self->leave_link;
1878	}	2152	}
1879	})->prio (1);	2153	})->prio (1);
…		…
1892		2166
1893	sub cf::client::send_drawinfo {	2167	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2168	my ($self, $text, $flags) = @_;
1895		2169
1896	utf8::encode $text;	2170	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2172	}
1899		2173
		2174	=item $client->ext_event ($type, %msg)
		2175
		2176	Sends an exti event to the client.
		2177
		2178	=cut
		2179
		2180	sub cf::client::ext_event($$%) {
		2181	my ($self, $type, %msg) = @_;
		2182
		2183	$msg{msgtype} = "event_$type";
		2184	$self->send_packet ("ext " . cf::to_json \%msg);
		2185	}
1900		2186
1901	=item $success = $client->query ($flags, "text", \&cb)	2187	=item $success = $client->query ($flags, "text", \&cb)
1902		2188
1903	Queues a query to the client, calling the given callback with	2189	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1933	# get handled first	2219	# get handled first
1934	my $queue = delete $ns->{query_queue}	2220	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2221	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2222
1937	(shift @$queue)->[1]->($msg);	2223	(shift @$queue)->[1]->($msg);
		2224	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2225
1939	push @{ $ns->{query_queue} }, @$queue;	2226	push @{ $ns->{query_queue} }, @$queue;
1940		2227
1941	if (@{ $ns->{query_queue} } == @$queue) {	2228	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2229	if (@$queue) {
…		…
2000		2287
2001	# here we export the classes and methods available to script code	2288	# here we export the classes and methods available to script code
2002		2289
2003	=pod	2290	=pod
2004		2291
2005	The following fucntions and emthods are available within a safe environment:	2292	The following functions and methods are available within a safe environment:
2006		2293
2007	cf::object contr pay_amount pay_player map	2294	cf::object contr pay_amount pay_player map
2008	cf::object::player player	2295	cf::object::player player
2009	cf::player peaceful	2296	cf::player peaceful
2010	cf::map trigger	2297	cf::map trigger
…		…
2095	#############################################################################	2382	#############################################################################
2096		2383
2097	=head2 EXTENSION DATABASE SUPPORT	2384	=head2 EXTENSION DATABASE SUPPORT
2098		2385
2099	Crossfire maintains a very simple database for extension use. It can	2386	Crossfire maintains a very simple database for extension use. It can
2100	currently store anything that can be serialised using Storable, which	2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2101	excludes objects.	2388	convert to/from binary).
2102		2389
2103	The parameter C<$family> should best start with the name of the extension	2390	The parameter C<$family> should best start with the name of the extension
2104	using it, it should be unique.	2391	using it, it should be unique.
2105		2392
2106	=over 4	2393	=over 4
2107		2394
2108	=item $hashref = cf::db_get $family
2109
2110	Return a hashref for use by the extension C<$family>, which can be
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113
2114	=item $value = cf::db_get $family => $key	2395	=item $value = cf::db_get $family => $key
2115		2396
2116	Returns a single value from the database	2397	Returns a single value from the database.
2117
2118	=item cf::db_put $family => $hashref
2119
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122		2398
2123	=item cf::db_put $family => $key => $value	2399	=item cf::db_put $family => $key => $value
2124		2400
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you	2401	Stores the given C<$value> in the family.
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135		2402
2136	=cut	2403	=cut
2137		2404
2138	our $DB;	2405	our $DB;
2139		2406
2140	{	2407	sub db_init {
2141	my $path = cf::localdir . "/database.pst";	2408	unless ($DB) {
		2409	$DB = BDB::db_create $DB_ENV;
2142		2410
2143	sub db_load() {	2411	cf::sync_job {
2144	$DB = stat $path ? Storable::retrieve $path : { };	2412	eval {
2145	}	2413	$DB->set_flags (BDB::CHKSUM);
2146		2414
2147	my $pid;	2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2148		2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2149	sub db_save() {	2417	cf::cleanup "db_open(db): $!" if $!;
2150	waitpid $pid, 0 if $pid;	2418	};
2151	if (0 == ($pid = fork)) {	2419	cf::cleanup "db_open(db): $@" if $@;
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}	2420	};
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	2421	}
		2422	}
2169		2423
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}
2174
2175	sub db_get($;$) {	2424	sub db_get($$) {
2176	@_ >= 2	2425	my $key = "$_[0]/$_[1]";
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		2426
		2427	cf::sync_job {
		2428	BDB::db_get $DB, undef, $key, my $data;
		2429
		2430	$! ? ()
		2431	: $data
		2432	}
		2433	}
		2434
2181	sub db_put($$;$) {	2435	sub db_put($$$) {
2182	if (@_ >= 3) {	2436	BDB::dbreq_pri 4;
2183	$DB->{$_[0]}{$_[1]} = $_[2];	2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2184	} else {	2438	}
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		2439
2190	cf::global->attach (	2440	=item cf::cache $id => [$paths...], $processversion => $process
2191	prio => 10000,	2441
2192	on_cleanup => sub {	2442	Generic caching function that returns the value of the resource $id,
2193	db_sync;	2443	caching and regenerating as required.
		2444
		2445	This function can block.
		2446
		2447	=cut
		2448
		2449	sub cache {
		2450	my ($id, $src, $processversion, $process) = @_;
		2451
		2452	my $meta =
		2453	join "\x00",
		2454	$processversion,
		2455	map {
		2456	aio_stat $_
		2457	and Carp::croak "$_: $!";
		2458
		2459	($_, (stat _)[7,9])
		2460	} @$src;
		2461
		2462	my $dbmeta = db_get cache => "$id/meta";
		2463	if ($dbmeta ne $meta) {
		2464	# changed, we may need to process
		2465
		2466	my @data;
		2467	my $md5;
		2468
		2469	for (0 .. $#$src) {
		2470	0 <= aio_load $src->[$_], $data[$_]
		2471	or Carp::croak "$src->[$_]: $!";
2194	},	2472	}
2195	);	2473
		2474	# if processing is expensive, check
		2475	# checksum first
		2476	if (1) {
		2477	$md5 =
		2478	join "\x00",
		2479	$processversion,
		2480	map {
		2481	Coro::cede;
		2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2483	} 0.. $#$src;
		2484
		2485
		2486	my $dbmd5 = db_get cache => "$id/md5";
		2487	if ($dbmd5 eq $md5) {
		2488	db_put cache => "$id/meta", $meta;
		2489
		2490	return db_get cache => "$id/data";
		2491	}
		2492	}
		2493
		2494	my $t1 = Time::HiRes::time;
		2495	my $data = $process->(\@data);
		2496	my $t2 = Time::HiRes::time;
		2497
		2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2499
		2500	db_put cache => "$id/data", $data;
		2501	db_put cache => "$id/md5" , $md5;
		2502	db_put cache => "$id/meta", $meta;
		2503
		2504	return $data;
		2505	}
		2506
		2507	db_get cache => "$id/data"
		2508	}
		2509
		2510	=item fork_call { }, $args
		2511
		2512	Executes the given code block with the given arguments in a seperate
		2513	process, returning the results. Everything must be serialisable with
		2514	Coro::Storable. May, of course, block. Note that the executed sub may
		2515	never block itself or use any form of Event handling.
		2516
		2517	=cut
		2518
		2519	sub fork_call(&@) {
		2520	my ($cb, @args) = @_;
		2521
		2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2523	# or die "socketpair: $!";
		2524	pipe my $fh1, my $fh2
		2525	or die "pipe: $!";
		2526
		2527	if (my $pid = fork) {
		2528	close $fh2;
		2529
		2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2531	$res = Coro::Storable::thaw $res;
		2532
		2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2534
		2535	die $$res unless "ARRAY" eq ref $res;
		2536
		2537	return wantarray ? @$res : $res->[-1];
		2538	} else {
		2539	reset_signals;
		2540	local $SIG{__WARN__};
		2541	local $SIG{__DIE__};
		2542	eval {
		2543	close $fh1;
		2544
		2545	my @res = eval { $cb->(@args) };
		2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2547	};
		2548
		2549	warn $@ if $@;
		2550	_exit 0;
		2551	}
2196	}	2552	}
2197		2553
2198	#############################################################################	2554	#############################################################################
2199	# the server's main()	2555	# the server's init and main functions
		2556
		2557	sub load_facedata($) {
		2558	my ($path) = @_;
		2559
		2560	warn "loading facedata from $path\n";
		2561
		2562	my $facedata;
		2563	0 < aio_load $path, $facedata
		2564	or die "$path: $!";
		2565
		2566	$facedata = Coro::Storable::thaw $facedata;
		2567
		2568	$facedata->{version} == 2
		2569	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2570
		2571	{
		2572	my $faces = $facedata->{faceinfo};
		2573
		2574	while (my ($face, $info) = each %$faces) {
		2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2579	Coro::cede;
		2580	}
		2581
		2582	while (my ($face, $info) = each %$faces) {
		2583	next unless $info->{smooth};
		2584	my $idx = cf::face::find $face
		2585	or next;
		2586	if (my $smooth = cf::face::find $info->{smooth}) {
		2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2588	} else {
		2589	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2590	}
		2591	Coro::cede;
		2592	}
		2593	}
		2594
		2595	{
		2596	my $anims = $facedata->{animinfo};
		2597
		2598	while (my ($anim, $info) = each %$anims) {
		2599	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2600	Coro::cede;
		2601	}
		2602
		2603	cf::anim::invalidate_all; # d'oh
		2604	}
		2605
		2606	1
		2607	}
		2608
		2609	sub reload_regions {
		2610	load_resource_file "$MAPDIR/regions"
		2611	or die "unable to load regions file\n";
		2612	}
		2613
		2614	sub reload_facedata {
		2615	load_facedata "$DATADIR/facedata"
		2616	or die "unable to load facedata\n";
		2617	}
		2618
		2619	sub reload_archetypes {
		2620	load_resource_file "$DATADIR/archetypes"
		2621	or die "unable to load archetypes\n";
		2622	}
		2623
		2624	sub reload_treasures {
		2625	load_resource_file "$DATADIR/treasures"
		2626	or die "unable to load treasurelists\n";
		2627	}
		2628
		2629	sub reload_resources {
		2630	warn "reloading resource files...\n";
		2631
		2632	reload_regions;
		2633	reload_facedata;
		2634	#reload_archetypes;#d#
		2635	reload_archetypes;
		2636	reload_treasures;
		2637
		2638	warn "finished reloading resource files\n";
		2639	}
		2640
		2641	sub init {
		2642	reload_resources;
		2643	}
2200		2644
2201	sub cfg_load {	2645	sub cfg_load {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	2646	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	2647	or return;
2204		2648
2205	local $/;	2649	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	2650	*CFG = YAML::Syck::Load <$fh>;
2207		2651
…		…
2221		2665
2222	sub main {	2666	sub main {
2223	# we must not ever block the main coroutine	2667	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	2668	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2670	(async {
2226	async { Event::one_event };	2671	Event::one_event;
		2672	})->prio (Coro::PRIO_MAX);
2227	};	2673	};
2228		2674
2229	cfg_load;	2675	cfg_load;
2230	db_load;	2676	db_init;
2231	load_extensions;	2677	load_extensions;
		2678
		2679	$TICK_WATCHER->start;
2232	Event::loop;	2680	Event::loop;
2233	}	2681	}
2234		2682
2235	#############################################################################	2683	#############################################################################
2236	# initialisation and cleanup	2684	# initialisation and cleanup
2237		2685
2238	# install some emergency cleanup handlers	2686	# install some emergency cleanup handlers
2239	BEGIN {	2687	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	2688	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	2689	Event->signal (
		2690	reentrant => 0,
2242	data => WF_AUTOCANCEL,	2691	data => WF_AUTOCANCEL,
2243	signal => $signal,	2692	signal => $signal,
		2693	prio => 0,
2244	cb => sub {	2694	cb => sub {
2245	cf::cleanup "SIG$signal";	2695	cf::cleanup "SIG$signal";
2246	},	2696	},
2247	);	2697	);
2248	}	2698	}
2249	}	2699	}
…		…
2254	warn "enter emergency perl save\n";	2704	warn "enter emergency perl save\n";
2255		2705
2256	cf::sync_job {	2706	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	2707	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	2708	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	2709	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	2710	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	2711	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	2712	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	2713	$pl->valid or next;
2264	$pl->save;	2714	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	2720	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	2721	$map->valid or next;
2272	$map->save;	2722	$map->save;
2273	}	2723	}
2274	warn "end emergency map save\n";	2724	warn "end emergency map save\n";
		2725
		2726	warn "begin emergency database checkpoint\n";
		2727	BDB::db_env_txn_checkpoint $DB_ENV;
		2728	warn "end emergency database checkpoint\n";
2275	};	2729	};
2276		2730
2277	warn "leave emergency perl save\n";	2731	warn "leave emergency perl save\n";
2278	}	2732	}
2279		2733
		2734	sub post_cleanup {
		2735	my ($make_core) = @_;
		2736
		2737	warn Carp::longmess "post_cleanup backtrace"
		2738	if $make_core;
		2739	}
		2740
2280	sub reload() {	2741	sub do_reload_perl() {
2281	# can/must only be called in main	2742	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	2743	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	2744	warn "can only reload from main coroutine";
2284	return;	2745	return;
2285	}	2746	}
2286		2747
2287	warn "reloading...";	2748	warn "reloading...";
2288		2749
2289	warn "freezing server";	2750	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	2751
		2752	cf::sync_job {
		2753	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	2754	cf::emergency_save;
		2755	cf::write_runtime; # external watchdog should not bark
2292		2756
2293	warn "sync database to disk";	2757	warn "syncing database to disk";
2294	cf::db_sync;	2758	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		2759
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	2760	# if anything goes wrong in here, we should simply crash as we already saved
2299		2761
2300	warn "cancel all watchers";	2762	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	2763	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	2765	}
2304		2766
		2767	warn "flushing outstanding aio requests";
		2768	for (;;) {
		2769	BDB::flush;
		2770	IO::AIO::flush;
		2771	Coro::cede;
		2772	last unless IO::AIO::nreqs || BDB::nreqs;
		2773	warn "iterate...";
		2774	}
		2775
		2776	++$RELOAD;
		2777
2305	warn "cancel all extension coros";	2778	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	2779	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	2780	%EXT_CORO = ();
2308		2781
2309	warn "remove commands";	2782	warn "removing commands";
2310	%COMMAND = ();	2783	%COMMAND = ();
2311		2784
2312	warn "remove ext commands";	2785	warn "removing ext commands";
2313	%EXTCMD = ();	2786	%EXTCMD = ();
2314		2787
2315	warn "unload/nuke all extensions";	2788	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	2789	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	2790	warn "... unloading $pkg";
2318		2791
2319	if (my $cb = $pkg->can ("unload")) {	2792	if (my $cb = $pkg->can ("unload")) {
2320	eval {	2793	eval {
…		…
2325		2798
2326	warn "... nuking $pkg";	2799	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	2800	Symbol::delete_package $pkg;
2328	}	2801	}
2329		2802
2330	warn "unload all perl modules loaded from $LIBDIR";	2803	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	2804	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		2806
2334	warn "removing <$k>";	2807	warn "... unloading $k";
2335	delete $INC{$k};	2808	delete $INC{$k};
2336		2809
2337	$k =~ s/\.pm$//;	2810	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	2811	$k =~ s/\//::/g;
2339		2812
…		…
2342	}	2815	}
2343		2816
2344	Symbol::delete_package $k;	2817	Symbol::delete_package $k;
2345	}	2818	}
2346		2819
2347	warn "get rid of safe::, as good as possible";	2820	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	2821	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		2823
2351	warn "unload cf.pm \"a bit\"";	2824	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	2825	delete $INC{"cf.pm"};
		2826	delete $INC{"cf/pod.pm"};
2353		2827
2354	# don't, removes xs symbols, too,	2828	# don't, removes xs symbols, too,
2355	# and global variables created in xs	2829	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	2830	#Symbol::delete_package __PACKAGE__;
2357		2831
		2832	warn "unload completed, starting to reload now";
		2833
2358	warn "reloading cf.pm";	2834	warn "reloading cf.pm";
2359	require cf;	2835	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		2837
2362	warn "load config and database again";	2838	warn "loading config and database again";
2363	cf::cfg_load;	2839	cf::cfg_load;
2364	cf::db_load;
2365		2840
2366	warn "load extensions";	2841	warn "loading extensions";
2367	cf::load_extensions;	2842	cf::load_extensions;
2368		2843
2369	warn "reattach attachments to objects/players";	2844	warn "reattaching attachments to objects/players";
2370	_global_reattach;	2845	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	2846	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	2847	reattach $_ for values %MAP;
2373	};	2848	warn "reattaching attachments to players";
		2849	reattach $_ for values %PLAYER;
2374		2850
2375	if ($@) {	2851	warn "leaving sync_job";
		2852
		2853	1
		2854	} or do {
2376	warn $@;	2855	warn $@;
2377	warn "error while reloading, exiting.";	2856	warn "error while reloading, exiting.";
2378	exit 1;	2857	exit 1;
2379	}	2858	};
2380		2859
2381	warn "reloaded";	2860	warn "reloaded";
2382	};	2861	};
2383		2862
		2863	our $RELOAD_WATCHER; # used only during reload
		2864
		2865	sub reload_perl() {
		2866	# doing reload synchronously and two reloads happen back-to-back,
		2867	# coro crashes during coro_state_free->destroy here.
		2868
		2869	$RELOAD_WATCHER ||= Event->timer (
		2870	reentrant => 0,
		2871	after => 0,
		2872	data => WF_AUTOCANCEL,
		2873	cb => sub {
		2874	do_reload_perl;
		2875	undef $RELOAD_WATCHER;
		2876	},
		2877	);
		2878	}
		2879
2384	register_command "reload" => sub {	2880	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	2881	my ($who, $arg) = @_;
2386		2882
2387	if ($who->flag (FLAG_WIZ)) {	2883	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	2884	$who->message ("reloading server.");
		2885	async { reload_perl };
2391	}	2886	}
2392	};	2887	};
2393		2888
2394	unshift @INC, $LIBDIR;	2889	unshift @INC, $LIBDIR;
2395		2890
		2891	my $bug_warning = 0;
		2892
		2893	our @WAIT_FOR_TICK;
		2894	our @WAIT_FOR_TICK_BEGIN;
		2895
		2896	sub wait_for_tick {
		2897	return unless $TICK_WATCHER->is_active;
		2898	return if $Coro::current == $Coro::main;
		2899
		2900	my $signal = new Coro::Signal;
		2901	push @WAIT_FOR_TICK, $signal;
		2902	$signal->wait;
		2903	}
		2904
		2905	sub wait_for_tick_begin {
		2906	return unless $TICK_WATCHER->is_active;
		2907	return if $Coro::current == $Coro::main;
		2908
		2909	my $signal = new Coro::Signal;
		2910	push @WAIT_FOR_TICK_BEGIN, $signal;
		2911	$signal->wait;
		2912	}
		2913
		2914	my $min = 1e6;#d#
		2915	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	2916	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	2917	reentrant => 0,
		2918	parked => 1,
2398	prio => 0,	2919	prio => 0,
2399	at => $NEXT_TICK || $TICK,	2920	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	2921	data => WF_AUTOCANCEL,
2401	cb => sub {	2922	cb => sub {
		2923	if ($Coro::current != $Coro::main) {
		2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2925	unless ++$bug_warning > 10;
		2926	return;
		2927	}
		2928
2402	$NOW = Event::time;	2929	$NOW = $tick_start = Event::time;
2403		2930
2404	cf::server_tick; # one server iteration	2931	cf::server_tick; # one server iteration
		2932
		2933	0 && sync_job {#d#
		2934	for(1..10) {
		2935	my $t = Event::time;
		2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2937	or die;
		2938
		2939	$map->width (50);
		2940	$map->height (50);
		2941	$map->alloc;
		2942	$map->_load_objects ("/tmp/x.map", 1);
		2943	my $t = Event::time - $t;
		2944
		2945	#next unless $t < 0.0013;#d#
		2946	if ($t < $min) {
		2947	$min = $t;
		2948	}
		2949	$avg = $avg * 0.99 + $t * 0.01;
		2950	}
		2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2952	exit 0;
		2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2954	};
		2955
2405	$RUNTIME += $TICK;	2956	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	2957	$NEXT_TICK += $TICK;
2407		2958
2408	$WAIT_FOR_TICK->broadcast;	2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2961	Coro::async_pool {
		2962	write_runtime
		2963	or warn "ERROR: unable to write runtime file: $!";
		2964	};
		2965	}
		2966
		2967	# my $AFTER = Event::time;
		2968	# warn $AFTER - $NOW;#d#
		2969
		2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2971	$sig->send;
		2972	}
		2973	while (my $sig = shift @WAIT_FOR_TICK) {
		2974	$sig->send;
		2975	}
		2976
		2977	$NOW = Event::time;
2410		2978
2411	# if we are delayed by four ticks or more, skip them all	2979	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		2981
2414	$TICK_WATCHER->at ($NEXT_TICK);	2982	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	2983	$TICK_WATCHER->start;
		2984
		2985	$LOAD = ($NOW - $tick_start) / $TICK;
		2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2987
		2988	_post_tick;
		2989
		2990
2416	},	2991	},
2417	);	2992	);
2418		2993
		2994	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	2995	BDB::max_poll_time $TICK * 0.1;
2420		2996	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	2997	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	2998	fd => BDB::poll_fileno,
2423	poll => 'r',	2999	poll => 'r',
2424	prio => 5,	3000	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3001	data => WF_AUTOCANCEL,
2431	after => 0,	3002	cb => \&BDB::poll_cb,
2432	interval => 10,	3003	);
2433	cb => sub {	3004	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	3005
2435	write_runtime	3006	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	3007	my $status;
		3008	my $current = $Coro::current;
		3009	(
		3010	sub {
		3011	$status = $!;
		3012	$current->ready; undef $current;
		3013	},
		3014	sub {
		3015	Coro::schedule while defined $current;
		3016	$! = $status;
		3017	},
		3018	)
		3019	};
		3020
		3021	unless ($DB_ENV) {
		3022	$DB_ENV = BDB::db_env_create;
		3023
		3024	cf::sync_job {
		3025	eval {
		3026	BDB::db_env_open
		3027	$DB_ENV,
		3028	$BDBDIR,
		3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3031	0666;
		3032
		3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3034
		3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3036	$DB_ENV->set_lk_detect;
		3037	};
		3038
		3039	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	3040	};
2438	},	3041	}
2439	);	3042	}
		3043
		3044	{
		3045	IO::AIO::min_parallel 8;
		3046
		3047	undef $Coro::AIO::WATCHER;
		3048	IO::AIO::max_poll_time $TICK * 0.1;
		3049	$AIO_POLL_WATCHER = Event->io (
		3050	reentrant => 0,
		3051	data => WF_AUTOCANCEL,
		3052	fd => IO::AIO::poll_fileno,
		3053	poll => 'r',
		3054	prio => 6,
		3055	cb => \&IO::AIO::poll_cb,
		3056	);
		3057	}
		3058
		3059	my $_log_backtrace;
		3060
		3061	sub _log_backtrace {
		3062	my ($msg, @addr) = @_;
		3063
		3064	$msg =~ s/\n//;
		3065
		3066	# limit the # of concurrent backtraces
		3067	if ($_log_backtrace < 2) {
		3068	++$_log_backtrace;
		3069	async {
		3070	my @bt = fork_call {
		3071	@addr = map { sprintf "%x", $_ } @addr;
		3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3074	or die "addr2line: $!";
		3075
		3076	my @funcs;
		3077	my @res = <$fh>;
		3078	chomp for @res;
		3079	while (@res) {
		3080	my ($func, $line) = splice @res, 0, 2, ();
		3081	push @funcs, "[$func] $line";
		3082	}
		3083
		3084	@funcs
		3085	};
		3086
		3087	LOG llevInfo, "[ABT] $msg\n";
		3088	LOG llevInfo, "[ABT] $_\n" for @bt;
		3089	--$_log_backtrace;
		3090	};
		3091	} else {
		3092	LOG llevInfo, "[ABT] $msg\n";
		3093	LOG llevInfo, "[ABT] [suppressed]\n";
		3094	}
		3095	}
		3096
		3097	# load additional modules
		3098	use cf::pod;
2440		3099
2441	END { cf::emergency_save }	3100	END { cf::emergency_save }
2442		3101
2443	1	3102	1
2444		3103

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