ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 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		1022
906	=head2 CORE EXTENSIONS	1023	=head2 CORE EXTENSIONS
…		…
922	Returns the given player object, loading it if necessary (might block).	1039	Returns the given player object, loading it if necessary (might block).
923		1040
924	=cut	1041	=cut
925		1042
926	sub playerdir($) {	1043	sub playerdir($) {
927	cf::localdir	1044	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1045	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1046	}
933		1047
934	sub path($) {	1048	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1049	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1050
937	(playerdir $login) . "/$login.pl"	1051	(playerdir $login) . "/playerdata"
938	}	1052	}
939		1053
940	sub find_active($) {	1054	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1055	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1056	and $cf::PLAYER{$_[0]}->active
…		…
945		1059
946	sub exists($) {	1060	sub exists($) {
947	my ($login) = @_;	1061	my ($login) = @_;
948		1062
949	$cf::PLAYER{$login}	1063	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1064	or cf::sync_job { !aio_stat path $login }
951	}	1065	}
952		1066
953	sub find($) {	1067	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1068	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1069	my $login = $_[0];
956		1070
957	my $guard = cf::lock_acquire "user_find:$login";	1071	my $guard = cf::lock_acquire "user_find:$login";
958		1072
959	$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
960	my $pl = load_pl path $login	1081	my $pl = load_pl path $login
961	or return;	1082	or return;
962	$cf::PLAYER{$login} = $pl	1083	$cf::PLAYER{$login} = $pl
963	}	1084	}
964	}	1085	}
…		…
1001		1122
1002	=cut	1123	=cut
1003		1124
1004	sub quit_character {	1125	sub quit_character {
1005	my ($pl) = @_;	1126	my ($pl) = @_;
		1127
		1128	my $name = $pl->ob->name;
1006		1129
1007	$pl->{deny_save} = 1;	1130	$pl->{deny_save} = 1;
1008	$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
1009		1132
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1138	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1139	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1140	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1141	delete $cf::PLAYER{$pl->ob->name};
1019	$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
1020	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;
1021	}	1164	}
1022		1165
1023	=item cf::player::list_logins	1166	=item cf::player::list_logins
1024		1167
1025	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
1026	while and may block, so not sync_job-capable, ever.	1169	while and may block, so not sync_job-capable, ever.
1027		1170
1028	=cut	1171	=cut
1029		1172
1030	sub list_logins {	1173	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1174	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1175	or return [];
1033		1176
1034	my @logins;	1177	my @logins;
1035		1178
1036	for my $login (@$dirs) {	1179	for my $login (@$dirs) {
…		…
1053	=cut	1196	=cut
1054		1197
1055	sub maps($) {	1198	sub maps($) {
1056	my ($pl) = @_;	1199	my ($pl) = @_;
1057		1200
		1201	$pl = ref $pl ? $pl->ob->name : $pl;
		1202
1058	my $files = aio_readdir playerdir $pl	1203	my $files = aio_readdir playerdir $pl
1059	or return;	1204	or return;
1060		1205
1061	my @paths;	1206	my @paths;
1062		1207
1063	for (@$files) {	1208	for (@$files) {
1064	utf8::decode $_;	1209	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1210	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1211	next unless /^$PATH_SEP/o;
1067		1212
1068	s/\.map$//;	1213	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1214	}
1071		1215
1072	\@paths	1216	\@paths
1073	}	1217	}
1074		1218
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1219	=item $player->ext_reply ($msgid, %msg)
1076		1220
1077	Sends an ext reply to the player.	1221	Sends an ext reply to the player.
1078		1222
1079	=cut	1223	=cut
1080		1224
1081	sub ext_reply($$$%) {	1225	sub ext_reply($$%) {
1082	my ($self, $id, %msg) = @_;	1226	my ($self, $id, %msg) = @_;
1083		1227
1084	$msg{msgid} = $id;	1228	$msg{msgid} = $id;
1085		1229
1086	$self->send ("ext " . cf::to_json \%msg);	1230	$self->send ("ext " . cf::to_json \%msg);
1087	}	1231	}
1088		1232
1089	package cf;	1233	=item $player->ext_event ($type, %msg)
		1234
		1235	Sends an ext event to the client.
		1236
		1237	=cut
		1238
		1239	sub ext_event($$%) {
		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	}
1090		1273
1091	=back	1274	=back
1092
1093		1275
1094	=head3 cf::map	1276	=head3 cf::map
1095		1277
1096	=over 4	1278	=over 4
1097		1279
…		…
1101		1283
1102	use Fcntl;	1284	use Fcntl;
1103	use Coro::AIO;	1285	use Coro::AIO;
1104		1286
1105	use overload	1287	use overload
1106	'""' => \&as_string;	1288	'""' => \&as_string,
		1289	fallback => 1;
1107		1290
1108	our $MAX_RESET = 3600;	1291	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1292	our $DEFAULT_RESET = 3000;
1110		1293
1111	sub generate_random_map {	1294	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1295	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1296	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1297	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1307	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1308	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1309	)
1128	}	1310	}
1129		1311
		1312	=item cf::map->register ($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
1130	sub register {	1320	sub register {
1131	my (undef, $regex) = @_;	1321	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1322	my $pkg = caller;
1133		1323
1134	no strict;	1324	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1325	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1326
1137	$EXT_MAP{$pkg} = qr<$regex>;	1327	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1328	}
1139		1329
1140	# also paths starting with '/'	1330	# also paths starting with '/'
1141	$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	}
1142		1342
1143	sub normalise {	1343	sub normalise {
1144	my ($path, $base) = @_;	1344	my ($path, $base) = @_;
		1345
		1346	$path = "$path"; # make sure its a string
		1347
		1348	$path =~ s/\.map$//;
1145		1349
1146	# map plan:	1350	# map plan:
1147	#	1351	#
1148	# /! non-realised random map exit (special hack!)	1352	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1353	# {... are special paths that are not being touched
…		…
1177		1381
1178	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
1179		1383
1180	$path = normalise $path, $base;	1384	$path = normalise $path, $base;
1181		1385
1182	for my $pkg (keys %EXT_MAP) {	1386	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1387	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1388	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1389	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1390	$self->init; # pass $1 etc.
1187	return $self;	1391	return $self;
1188	}	1392	}
1189	}	1393	}
1190		1394
1191	Carp::carp "unable to resolve path '$path'.";	1395	Carp::carp "unable to resolve path '$path' (base '$base').";
1192	()	1396	()
1193	}	1397	}
1194		1398
1195	sub init {	1399	sub init {
1196	my ($self) = @_;	1400	my ($self) = @_;
…		…
1211		1415
1212	# the original (read-only) location	1416	# the original (read-only) location
1213	sub load_path {	1417	sub load_path {
1214	my ($self) = @_;	1418	my ($self) = @_;
1215		1419
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1420	"$MAPDIR/$self->{path}.map"
1217	}	1421	}
1218		1422
1219	# the temporary/swap location	1423	# the temporary/swap location
1220	sub save_path {	1424	sub save_path {
1221	my ($self) = @_;	1425	my ($self) = @_;
1222		1426
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1428	"$TMPDIR/$path.map"
1225	}	1429	}
1226		1430
1227	# the unique path, undef == no special unique path	1431	# the unique path, undef == no special unique path
1228	sub uniq_path {	1432	sub uniq_path {
1229	my ($self) = @_;	1433	my ($self) = @_;
1230		1434
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1436	"$UNIQUEDIR/$path"
1233	}	1437	}
1234		1438
1235	# and all this just because we cannot iterate over	1439	# and all this just because we cannot iterate over
1236	# all maps in C++...	1440	# all maps in C++...
1237	sub change_all_map_light {	1441	sub change_all_map_light {
…		…
1239		1443
1240	$_->change_map_light ($change)	1444	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1445	for grep $_->outdoor, values %cf::MAP;
1242	}	1446	}
1243		1447
		1448	sub decay_objects {
		1449	my ($self) = @_;
		1450
		1451	return if $self->{deny_reset};
		1452
		1453	$self->do_decay_objects;
		1454	}
		1455
1244	sub unlink_save {	1456	sub unlink_save {
1245	my ($self) = @_;	1457	my ($self) = @_;
1246		1458
1247	utf8::encode (my $save = $self->save_path);	1459	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1461	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1462	}
1251		1463
1252	sub load_header_from($) {	1464	sub load_header_from($) {
1253	my ($self, $path) = @_;	1465	my ($self, $path) = @_;
1254		1466
1255	utf8::encode $path;	1467	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1468	#aio_open $path, O_RDONLY, 0
1257	or return;	1469	# or return;
1258		1470
1259	$self->_load_header ($path)	1471	$self->_load_header ($path)
1260	or return;	1472	or return;
1261		1473
1262	$self->{load_path} = $path;	1474	$self->{load_path} = $path;
1263		1475
1264	1	1476	1
1265	}	1477	}
1266		1478
1267	sub load_orig {	1479	sub load_header_orig {
1268	my ($self) = @_;	1480	my ($self) = @_;
1269		1481
1270	$self->load_header_from ($self->load_path)	1482	$self->load_header_from ($self->load_path)
1271	}	1483	}
1272		1484
1273	sub load_temp {	1485	sub load_header_temp {
1274	my ($self) = @_;	1486	my ($self) = @_;
1275		1487
1276	$self->load_header_from ($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	$self->instantiate;
1277	}	1508	}
1278		1509
1279	sub load_header {	1510	sub load_header {
1280	my ($self) = @_;	1511	my ($self) = @_;
1281		1512
1282	if ($self->load_temp) {	1513	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1514	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1515	} else {
1289	$self->load_orig	1516	$self->load_header_orig
1290	or return;	1517	or return;
1291		1518	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	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;
1297		1526
1298	1	1527	1
1299	}	1528	}
1300		1529
1301	sub find;	1530	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1543	$map->{last_save} = $cf::RUNTIME;
1315		1544
1316	$map->load_header	1545	$map->load_header
1317	or return;	1546	or return;
1318		1547
1319	if ($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;
1320	$map->reset;	1551	$map->reset;
1321	undef $guard;	1552	undef $guard;
1322	$map = find $path	1553	return find $path;
1323	or return;
1324	}	1554	}
1325		1555
1326	$cf::MAP{$path} = $map	1556	$cf::MAP{$path} = $map
1327	}	1557	}
1328	}	1558	}
		1559
		1560	sub pre_load { }
		1561	sub post_load { }
1329		1562
1330	sub load {	1563	sub load {
1331	my ($self) = @_;	1564	my ($self) = @_;
1332		1565
		1566	local $self->{deny_reset} = 1; # loading can take a long time
		1567
1333	my $path = $self->{path};	1568	my $path = $self->{path};
		1569
		1570	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1571	my $guard = cf::lock_acquire "map_load:$path";
1335		1572
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1573	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1574
1338	$self->in_memory (cf::MAP_LOADING);	1575	$self->in_memory (cf::MAP_LOADING);
1339		1576
1340	$self->alloc;	1577	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)
1342	or return;
1343		1578
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1579	$self->pre_load;
1345	if delete $self->{load_original};
1346
1347	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {
1350	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);
1352	}
1353	}
1354
1355	Coro::cede;
1356
1357	# now do the right thing for maps
1358	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;	1580	Coro::cede;
1365	$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;
1366	$self->difficulty ($self->estimate_difficulty)	1599	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1600	unless $self->difficulty;
1368	Coro::cede;	1601	Coro::cede;
		1602
		1603	unless ($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;
1369	$self->activate;	1610	$self->activate;
1370	}	1611	}
1371		1612
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1613	$self->in_memory (cf::MAP_IN_MEMORY);
		1614	}
		1615
		1616	$self->post_load;
1373	}	1617	}
1374		1618
1375	sub customise_for {	1619	sub customise_for {
1376	my ($self, $ob) = @_;	1620	my ($self, $ob) = @_;
1377		1621
1378	return find "~" . $ob->name . "/" . $self->{path}	1622	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1623	if $self->per_player;
		1624
		1625	# return find "?party/" . $ob->name . "/" . $self->{path}
		1626	# if $self->per_party;
1380		1627
1381	$self	1628	$self
1382	}	1629	}
1383		1630
1384	# 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
…		…
1416		1663
1417	cf::sync_job { $map->load };	1664	cf::sync_job { $map->load };
1418	}	1665	}
1419		1666
1420	our %MAP_PREFETCH;	1667	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1668	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		1669
1434	sub find_async {	1670	sub find_async {
1435	my ($path, $origin) = @_;	1671	my ($path, $origin) = @_;
1436		1672
1437	$path = normalise $path, $origin && $origin->{path};	1673	$path = normalise $path, $origin && $origin->{path};
1438		1674
1439	if (my $map = $cf::MAP{$path}) {	1675	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441	}	1677	}
1442		1678
1443	$MAP_PREFETCH{$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	};
1444	$MAP_PREFETCHER->ready;	1692	$MAP_PREFETCHER->prio (6);
1445		1693
1446	()	1694	()
1447	}	1695	}
1448		1696
1449	sub save {	1697	sub save {
…		…
1494		1742
1495	sub reset_at {	1743	sub reset_at {
1496	my ($self) = @_;	1744	my ($self) = @_;
1497		1745
1498	# TODO: safety, remove and allow resettable per-player maps	1746	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	1747	return 1e99 if $self->{deny_reset};
1501		1748
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1749	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1750	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		1751
…		…
1509	my ($self) = @_;	1756	my ($self) = @_;
1510		1757
1511	$self->reset_at <= $cf::RUNTIME	1758	$self->reset_at <= $cf::RUNTIME
1512	}	1759	}
1513		1760
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	1761	sub reset {
1529	my ($self) = @_;	1762	my ($self) = @_;
1530		1763
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	1764	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		1765
1533	return if $self->players;	1766	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		1767
1536	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	}
1537		1779
1538	delete $cf::MAP{$self->path};	1780	delete $cf::MAP{$self->path};
1539		1781
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	1782	$self->clear;
1542		1783
1543	$_->clear_links_to ($self) for values %cf::MAP;	1784	$_->clear_links_to ($self) for values %cf::MAP;
1544		1785
1545	$self->unlink_save;	1786	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	1790	my $nuke_counter = "aaaa";
1550		1791
1551	sub nuke {	1792	sub nuke {
1552	my ($self) = @_;	1793	my ($self) = @_;
1553		1794
		1795	delete $cf::MAP{$self->path};
		1796
		1797	$self->unlink_save;
		1798
		1799	bless $self, "cf::map";
		1800	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	1801	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	1802	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1804
		1805	$cf::MAP{$self->path} = $self;
		1806
1557	$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	]
1558	}	1844	}
1559		1845
1560	=item cf::map::unique_maps	1846	=item cf::map::unique_maps
1561		1847
1562	Returns an arrayref of paths of all shared maps that have	1848	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	1849	instantiated unique items. May block.
1564		1850
1565	=cut	1851	=cut
1566		1852
1567	sub unique_maps() {	1853	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1854	[
1569	or return;	1855	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	1856	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	1857	/\.map$/
1579	push @paths, $_;	1858	? normalise $_
		1859	: ()
		1860	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	1861	]
1581
1582	\@paths
1583	}	1862	}
1584		1863
1585	package cf;	1864	package cf;
1586		1865
1587	=back	1866	=back
…		…
1678	=cut	1957	=cut
1679		1958
1680	sub link_map {	1959	sub link_map {
1681	unless ($LINK_MAP) {	1960	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	1961	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1962	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	1963	$LINK_MAP->load;
1685	}	1964	}
1686		1965
1687	$LINK_MAP	1966	$LINK_MAP
1688	}	1967	}
…		…
1693	$self->deactivate_recursive;	1972	$self->deactivate_recursive;
1694		1973
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	1974	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		1975
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	1977	if $self->map && $self->map->{path} ne "{link}";
1699		1978
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	1980	}
1702		1981
1703	sub cf::object::player::leave_link {	1982	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	1983	my ($self, $map, $x, $y) = @_;
		1984
		1985	return unless $self->contr->active;
1705		1986
1706	my $link_pos = delete $self->{_link_pos};	1987	my $link_pos = delete $self->{_link_pos};
1707		1988
1708	unless ($map) {	1989	unless ($map) {
1709	# restore original map position	1990	# restore original map position
…		…
1727	$map->load;	2008	$map->load;
1728	$map->load_diag;	2009	$map->load_diag;
1729		2010
1730	return unless $self->contr->active;	2011	return unless $self->contr->active;
1731	$self->activate_recursive;	2012	$self->activate_recursive;
		2013
		2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2015	$self->enter_map ($map, $x, $y);
1733	}	2016	}
1734		2017
1735	cf::player->attach (
1736	on_logout => sub {
1737	my ($pl) = @_;
1738
1739	# abort map switching before logout
1740	if ($pl->ob->{_link_pos}) {
1741	cf::sync_job {
1742	$pl->ob->leave_link
1743	};
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)	2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1768		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
1769	=cut	2025	=cut
		2026
		2027	our $GOTOGEN;
1770		2028
1771	sub cf::object::player::goto {	2029	sub cf::object::player::goto {
1772	my ($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;
1773		2034
1774	$self->enter_link;	2035	$self->enter_link;
1775		2036
1776	(async {	2037	(async {
		2038	my $map = eval {
1777	my $map = cf::map::find $path;	2039	my $map = cf::map::find $path;
		2040
		2041	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2042	$map = $map->customise_for ($self);
1779		2043	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2044	} else {
1781	# if $map;
1782
1783	$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	}
1784		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};
1785	$self->leave_link ($map, $x, $y);	2058	$self->leave_link ($map, $x, $y);
		2059	}
1786	})->prio (1);	2060	})->prio (1);
1787	}	2061	}
1788		2062
1789	=item $player_object->enter_exit ($exit_object)	2063	=item $player_object->enter_exit ($exit_object)
1790		2064
…		…
1792		2066
1793	sub parse_random_map_params {	2067	sub parse_random_map_params {
1794	my ($spec) = @_;	2068	my ($spec) = @_;
1795		2069
1796	my $rmp = { # defaults	2070	my $rmp = { # defaults
1797	xsize => 10,	2071	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2072	ysize => (cf::rndm 15, 40),
		2073	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2074	#layout => string,
1799	};	2075	};
1800		2076
1801	for (split /\n/, $spec) {	2077	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2078	my ($k, $v) = split /\s+/, $_, 2;
1803		2079
…		…
1807	$rmp	2083	$rmp
1808	}	2084	}
1809		2085
1810	sub prepare_random_map {	2086	sub prepare_random_map {
1811	my ($exit) = @_;	2087	my ($exit) = @_;
		2088
		2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2090
1813	# all this does is basically replace the /! path by	2091	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2092	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2093	# that depends on the exit object
1816		2094
1817	my $rmp = parse_random_map_params $exit->msg;	2095	my $rmp = parse_random_map_params $exit->msg;
1818		2096
1819	if ($exit->map) {	2097	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2098	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2099	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2100	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2101	$rmp->{origin_y} = $exit->y;
1824	}	2102	}
1825		2103
1826	$rmp->{random_seed} ||= $exit->random_seed;	2104	$rmp->{random_seed} ||= $exit->random_seed;
1827		2105
1828	my $data = cf::to_json $rmp;	2106	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2107	my $md5 = Digest::MD5::md5_hex $data;
		2108	my $meta = "$RANDOMDIR/$md5.meta";
1830		2109
1831	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) {
1832	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;
1833		2114
1834	$exit->slaying ("?random/$md5");	2115	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2116	$exit->msg (undef);
1836	}	2117	}
1837	}	2118	}
1838		2119
1839	sub cf::object::player::enter_exit {	2120	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2121	my ($self, $exit) = @_;
1841		2122
1842	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;
1843		2135
1844	$self->enter_link;	2136	$self->enter_link;
1845		2137
1846	(async {	2138	(async {
1847	$self->deactivate_recursive; # just to be sure	2139	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2140	unless (eval {
1849	prepare_random_map $exit	2141	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2142
1855	1;	2143	1;
1856	}) {	2144	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2145	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "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. "
1859	. "Please report this to the dungeon master!",	2147	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2148	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2149
1862	warn "ERROR in enter_exit: $@";	2150	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2151	$self->leave_link;
1864	}	2152	}
1865	})->prio (1);	2153	})->prio (1);
…		…
1878		2166
1879	sub cf::client::send_drawinfo {	2167	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2168	my ($self, $text, $flags) = @_;
1881		2169
1882	utf8::encode $text;	2170	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2172	}
1885		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	}
1886		2186
1887	=item $success = $client->query ($flags, "text", \&cb)	2187	=item $success = $client->query ($flags, "text", \&cb)
1888		2188
1889	Queues a query to the client, calling the given callback with	2189	Queues a query to the client, calling the given callback with
1890	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>,
…		…
1919	# get handled first	2219	# get handled first
1920	my $queue = delete $ns->{query_queue}	2220	my $queue = delete $ns->{query_queue}
1921	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
1922		2222
1923	(shift @$queue)->[1]->($msg);	2223	(shift @$queue)->[1]->($msg);
		2224	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2225
1925	push @{ $ns->{query_queue} }, @$queue;	2226	push @{ $ns->{query_queue} }, @$queue;
1926		2227
1927	if (@{ $ns->{query_queue} } == @$queue) {	2228	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2229	if (@$queue) {
…		…
1986		2287
1987	# here we export the classes and methods available to script code	2288	# here we export the classes and methods available to script code
1988		2289
1989	=pod	2290	=pod
1990		2291
1991	The following fucntions and emthods are available within a safe environment:	2292	The following functions and methods are available within a safe environment:
1992		2293
1993	cf::object contr pay_amount pay_player map	2294	cf::object contr pay_amount pay_player map
1994	cf::object::player player	2295	cf::object::player player
1995	cf::player peaceful	2296	cf::player peaceful
1996	cf::map trigger	2297	cf::map trigger
…		…
2081	#############################################################################	2382	#############################################################################
2082		2383
2083	=head2 EXTENSION DATABASE SUPPORT	2384	=head2 EXTENSION DATABASE SUPPORT
2084		2385
2085	Crossfire maintains a very simple database for extension use. It can	2386	Crossfire maintains a very simple database for extension use. It can
2086	currently store anything that can be serialised using Storable, which	2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2087	excludes objects.	2388	convert to/from binary).
2088		2389
2089	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
2090	using it, it should be unique.	2391	using it, it should be unique.
2091		2392
2092	=over 4	2393	=over 4
2093		2394
2094	=item $hashref = cf::db_get $family
2095
2096	Return a hashref for use by the extension C<$family>, which can be
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099
2100	=item $value = cf::db_get $family => $key	2395	=item $value = cf::db_get $family => $key
2101		2396
2102	Returns a single value from the database	2397	Returns a single value from the database.
2103
2104	=item cf::db_put $family => $hashref
2105
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108		2398
2109	=item cf::db_put $family => $key => $value	2399	=item cf::db_put $family => $key => $value
2110		2400
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you	2401	Stores the given C<$value> in the family.
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121		2402
2122	=cut	2403	=cut
2123		2404
2124	our $DB;	2405	our $DB;
2125		2406
2126	{	2407	sub db_init {
2127	my $path = cf::localdir . "/database.pst";	2408	unless ($DB) {
		2409	$DB = BDB::db_create $DB_ENV;
2128		2410
2129	sub db_load() {	2411	cf::sync_job {
2130	$DB = stat $path ? Storable::retrieve $path : { };	2412	eval {
2131	}	2413	$DB->set_flags (BDB::CHKSUM);
2132		2414
2133	my $pid;	2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2134		2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2135	sub db_save() {	2417	cf::cleanup "db_open(db): $!" if $!;
2136	waitpid $pid, 0 if $pid;	2418	};
2137	if (0 == ($pid = fork)) {	2419	cf::cleanup "db_open(db): $@" if $@;
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}	2420	};
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	2421	}
		2422	}
2155		2423
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}
2160
2161	sub db_get($;$) {	2424	sub db_get($$) {
2162	@_ >= 2	2425	my $key = "$_[0]/$_[1]";
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166		2426
		2427	cf::sync_job {
		2428	BDB::db_get $DB, undef, $key, my $data;
		2429
		2430	$! ? ()
		2431	: $data
		2432	}
		2433	}
		2434
2167	sub db_put($$;$) {	2435	sub db_put($$$) {
2168	if (@_ >= 3) {	2436	BDB::dbreq_pri 4;
2169	$DB->{$_[0]}{$_[1]} = $_[2];	2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2170	} else {	2438	}
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175		2439
2176	cf::global->attach (	2440	=item cf::cache $id => [$paths...], $processversion => $process
2177	prio => 10000,	2441
2178	on_cleanup => sub {	2442	Generic caching function that returns the value of the resource $id,
2179	db_sync;	2443	caching and regenerating as required.
		2444
		2445	This function can block.
		2446
		2447	=cut
		2448
		2449	sub cache {
		2450	my ($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 "$src->[$_]: $!";
2180	},	2472	}
2181	);	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	}
2182	}	2552	}
2183		2553
2184	#############################################################################	2554	#############################################################################
2185	# 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	}
2186		2644
2187	sub cfg_load {	2645	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	2646	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	2647	or return;
2190		2648
2191	local $/;	2649	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	2650	*CFG = YAML::Syck::Load <$fh>;
2193		2651
…		…
2207		2665
2208	sub main {	2666	sub main {
2209	# we must not ever block the main coroutine	2667	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	2668	local $Coro::idle = sub {
2211	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 {
2212	async { Event::one_event };	2671	Event::one_event;
		2672	})->prio (Coro::PRIO_MAX);
2213	};	2673	};
2214		2674
2215	cfg_load;	2675	cfg_load;
2216	db_load;	2676	db_init;
2217	load_extensions;	2677	load_extensions;
		2678
		2679	$TICK_WATCHER->start;
2218	Event::loop;	2680	Event::loop;
2219	}	2681	}
2220		2682
2221	#############################################################################	2683	#############################################################################
2222	# initialisation and cleanup	2684	# initialisation and cleanup
2223		2685
2224	# install some emergency cleanup handlers	2686	# install some emergency cleanup handlers
2225	BEGIN {	2687	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	2688	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	2689	Event->signal (
		2690	reentrant => 0,
2228	data => WF_AUTOCANCEL,	2691	data => WF_AUTOCANCEL,
2229	signal => $signal,	2692	signal => $signal,
		2693	prio => 0,
2230	cb => sub {	2694	cb => sub {
2231	cf::cleanup "SIG$signal";	2695	cf::cleanup "SIG$signal";
2232	},	2696	},
2233	);	2697	);
2234	}	2698	}
2235	}	2699	}
…		…
2256	my $map = $cf::MAP{$path} or next;	2720	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	2721	$map->valid or next;
2258	$map->save;	2722	$map->save;
2259	}	2723	}
2260	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";
2261	};	2729	};
2262		2730
2263	warn "leave emergency perl save\n";	2731	warn "leave emergency perl save\n";
2264	}	2732	}
2265		2733
		2734	sub post_cleanup {
		2735	my ($make_core) = @_;
		2736
		2737	warn Carp::longmess "post_cleanup backtrace"
		2738	if $make_core;
		2739	}
		2740
2266	sub reload() {	2741	sub do_reload_perl() {
2267	# can/must only be called in main	2742	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	2743	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	2744	warn "can only reload from main coroutine";
2270	return;	2745	return;
2271	}	2746	}
2272		2747
2273	warn "reloading...";	2748	warn "reloading...";
2274		2749
2275	warn "freezing server";	2750	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	2751
		2752	cf::sync_job {
		2753	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	2754	cf::emergency_save;
		2755	cf::write_runtime; # external watchdog should not bark
2278		2756
2279	warn "sync database to disk";	2757	warn "syncing database to disk";
2280	cf::db_sync;	2758	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		2759
2283	eval {
2284	# 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
2285		2761
2286	warn "cancel all watchers";	2762	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	2763	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	2765	}
2290		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
2291	warn "cancel all extension coros";	2778	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	2779	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	2780	%EXT_CORO = ();
2294		2781
2295	warn "remove commands";	2782	warn "removing commands";
2296	%COMMAND = ();	2783	%COMMAND = ();
2297		2784
2298	warn "remove ext commands";	2785	warn "removing ext commands";
2299	%EXTCMD = ();	2786	%EXTCMD = ();
2300		2787
2301	warn "unload/nuke all extensions";	2788	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	2789	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	2790	warn "... unloading $pkg";
2304		2791
2305	if (my $cb = $pkg->can ("unload")) {	2792	if (my $cb = $pkg->can ("unload")) {
2306	eval {	2793	eval {
…		…
2311		2798
2312	warn "... nuking $pkg";	2799	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	2800	Symbol::delete_package $pkg;
2314	}	2801	}
2315		2802
2316	warn "unload all perl modules loaded from $LIBDIR";	2803	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	2804	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		2806
2320	warn "removing <$k>";	2807	warn "... unloading $k";
2321	delete $INC{$k};	2808	delete $INC{$k};
2322		2809
2323	$k =~ s/\.pm$//;	2810	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	2811	$k =~ s/\//::/g;
2325		2812
…		…
2328	}	2815	}
2329		2816
2330	Symbol::delete_package $k;	2817	Symbol::delete_package $k;
2331	}	2818	}
2332		2819
2333	warn "get rid of safe::, as good as possible";	2820	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	2821	Symbol::delete_package "safe::$_"
2335	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);
2336		2823
2337	warn "unload cf.pm \"a bit\"";	2824	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	2825	delete $INC{"cf.pm"};
		2826	delete $INC{"cf/pod.pm"};
2339		2827
2340	# don't, removes xs symbols, too,	2828	# don't, removes xs symbols, too,
2341	# and global variables created in xs	2829	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	2830	#Symbol::delete_package __PACKAGE__;
2343		2831
		2832	warn "unload completed, starting to reload now";
		2833
2344	warn "reloading cf.pm";	2834	warn "reloading cf.pm";
2345	require cf;	2835	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		2837
2348	warn "load config and database again";	2838	warn "loading config and database again";
2349	cf::cfg_load;	2839	cf::cfg_load;
2350	cf::db_load;
2351		2840
2352	warn "load extensions";	2841	warn "loading extensions";
2353	cf::load_extensions;	2842	cf::load_extensions;
2354		2843
2355	warn "reattach attachments to objects/players";	2844	warn "reattaching attachments to objects/players";
2356	_global_reattach;	2845	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	2846	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	2847	reattach $_ for values %MAP;
2359	};	2848	warn "reattaching attachments to players";
		2849	reattach $_ for values %PLAYER;
2360		2850
2361	if ($@) {	2851	warn "leaving sync_job";
		2852
		2853	1
		2854	} or do {
2362	warn $@;	2855	warn $@;
2363	warn "error while reloading, exiting.";	2856	warn "error while reloading, exiting.";
2364	exit 1;	2857	exit 1;
2365	}	2858	};
2366		2859
2367	warn "reloaded";	2860	warn "reloaded";
2368	};	2861	};
2369		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
2370	register_command "reload" => sub {	2880	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	2881	my ($who, $arg) = @_;
2372		2882
2373	if ($who->flag (FLAG_WIZ)) {	2883	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	2884	$who->message ("reloading server.");
		2885	async { reload_perl };
2377	}	2886	}
2378	};	2887	};
2379		2888
2380	unshift @INC, $LIBDIR;	2889	unshift @INC, $LIBDIR;
2381		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;
2382	$TICK_WATCHER = Event->timer (	2916	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	2917	reentrant => 0,
		2918	parked => 1,
2384	prio => 0,	2919	prio => 0,
2385	at => $NEXT_TICK || $TICK,	2920	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	2921	data => WF_AUTOCANCEL,
2387	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
2388	$NOW = Event::time;	2929	$NOW = $tick_start = Event::time;
2389		2930
2390	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
2391	$RUNTIME += $TICK;	2956	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	2957	$NEXT_TICK += $TICK;
2393		2958
2394	$WAIT_FOR_TICK->broadcast;	2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$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;
2396		2978
2397	# 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
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		2981
2400	$TICK_WATCHER->at ($NEXT_TICK);	2982	$TICK_WATCHER->at ($NEXT_TICK);
2401	$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
2402	},	2991	},
2403	);	2992	);
2404		2993
		2994	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	2995	BDB::max_poll_time $TICK * 0.1;
2406		2996	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	2997	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	2998	fd => BDB::poll_fileno,
2409	poll => 'r',	2999	poll => 'r',
2410	prio => 5,	3000	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3001	data => WF_AUTOCANCEL,
2417	after => 0,	3002	cb => \&BDB::poll_cb,
2418	interval => 10,	3003	);
2419	cb => sub {	3004	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3005
2421	write_runtime	3006	BDB::set_sync_prepare {
2422	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 $@;
2423	})->();	3040	};
2424	},	3041	}
2425	);	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;
2426		3099
2427	END { cf::emergency_save }	3100	END { cf::emergency_save }
2428		3101
2429	1	3102	1
2430		3103

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines