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 1.278 by root, Mon Jun 11 21:38:14 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) {
…		…
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 } split /\s+/, $1 }
		973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;
		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*/, $ext{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	: "extension disabled.\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	die $msg;
		1007	}
		1008
		1009	$done{$k} = delete $todo{$k};
		1010	push @EXTS, $v->{pkg};
899	1	1011	}
900	} or warn "$ext not loaded: $@";	1012
		1013	skip:
		1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1015	unless $progress;
		1016	}
901	}	1017	};
902	}	1018	}
903		1019
904	#############################################################################	1020	#############################################################################
905		1021
906	=head2 CORE EXTENSIONS	1022	=head2 CORE EXTENSIONS
…		…
922	Returns the given player object, loading it if necessary (might block).	1038	Returns the given player object, loading it if necessary (might block).
923		1039
924	=cut	1040	=cut
925		1041
926	sub playerdir($) {	1042	sub playerdir($) {
927	cf::localdir	1043	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1044	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1045	}
933		1046
934	sub path($) {	1047	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1048	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1049
937	(playerdir $login) . "/$login.pl"	1050	(playerdir $login) . "/playerdata"
938	}	1051	}
939		1052
940	sub find_active($) {	1053	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1054	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1055	and $cf::PLAYER{$_[0]}->active
…		…
945		1058
946	sub exists($) {	1059	sub exists($) {
947	my ($login) = @_;	1060	my ($login) = @_;
948		1061
949	$cf::PLAYER{$login}	1062	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1063	or cf::sync_job { !aio_stat path $login }
951	}	1064	}
952		1065
953	sub find($) {	1066	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1067	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1068	my $login = $_[0];
956		1069
957	my $guard = cf::lock_acquire "user_find:$login";	1070	my $guard = cf::lock_acquire "user_find:$login";
958		1071
959	$cf::PLAYER{$_[0]} || do {	1072	$cf::PLAYER{$_[0]} || do {
		1073	# rename old playerfiles to new ones
		1074	#TODO: remove when no longer required
		1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1078	aio_unlink +(playerdir $login) . "/$login.pl";
		1079
960	my $pl = load_pl path $login	1080	my $pl = load_pl path $login
961	or return;	1081	or return;
962	$cf::PLAYER{$login} = $pl	1082	$cf::PLAYER{$login} = $pl
963	}	1083	}
964	}	1084	}
…		…
1001		1121
1002	=cut	1122	=cut
1003		1123
1004	sub quit_character {	1124	sub quit_character {
1005	my ($pl) = @_;	1125	my ($pl) = @_;
		1126
		1127	my $name = $pl->ob->name;
1006		1128
1007	$pl->{deny_save} = 1;	1129	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1130	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1131
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1137	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1138	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1139	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1140	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1141	$pl->destroy;
		1142
		1143	my $prefix = qr<^~\Q$name\E/>;
		1144
		1145	# nuke player maps
		1146	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1147
1020	IO::AIO::aio_rmtree $temp;	1148	IO::AIO::aio_rmtree $temp;
		1149	}
		1150
		1151	=item $pl->kick
		1152
		1153	Kicks a player out of the game. This destroys the connection.
		1154
		1155	=cut
		1156
		1157	sub kick {
		1158	my ($pl, $kicker) = @_;
		1159
		1160	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1161	$pl->killer ("kicked");
		1162	$pl->ns->destroy;
1021	}	1163	}
1022		1164
1023	=item cf::player::list_logins	1165	=item cf::player::list_logins
1024		1166
1025	Returns am arrayref of all valid playernames in the system, can take a	1167	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1168	while and may block, so not sync_job-capable, ever.
1027		1169
1028	=cut	1170	=cut
1029		1171
1030	sub list_logins {	1172	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1173	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1174	or return [];
1033		1175
1034	my @logins;	1176	my @logins;
1035		1177
1036	for my $login (@$dirs) {	1178	for my $login (@$dirs) {
…		…
1053	=cut	1195	=cut
1054		1196
1055	sub maps($) {	1197	sub maps($) {
1056	my ($pl) = @_;	1198	my ($pl) = @_;
1057		1199
		1200	$pl = ref $pl ? $pl->ob->name : $pl;
		1201
1058	my $files = aio_readdir playerdir $pl	1202	my $files = aio_readdir playerdir $pl
1059	or return;	1203	or return;
1060		1204
1061	my @paths;	1205	my @paths;
1062		1206
1063	for (@$files) {	1207	for (@$files) {
1064	utf8::decode $_;	1208	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1209	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1210	next unless /^$PATH_SEP/o;
1067		1211
1068	s/\.map$//;	1212	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1213	}
1071		1214
1072	\@paths	1215	\@paths
1073	}	1216	}
1074		1217
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1218	=item $player->ext_reply ($msgid, %msg)
1076		1219
1077	Sends an ext reply to the player.	1220	Sends an ext reply to the player.
1078		1221
1079	=cut	1222	=cut
1080		1223
1081	sub ext_reply($$$%) {	1224	sub ext_reply($$%) {
1082	my ($self, $id, %msg) = @_;	1225	my ($self, $id, %msg) = @_;
1083		1226
1084	$msg{msgid} = $id;	1227	$msg{msgid} = $id;
1085		1228
1086	$self->send ("ext " . cf::to_json \%msg);	1229	$self->send ("ext " . cf::to_json \%msg);
1087	}	1230	}
1088		1231
1089	package cf;	1232	=item $player->ext_event ($type, %msg)
		1233
		1234	Sends an ext event to the client.
		1235
		1236	=cut
		1237
		1238	sub ext_event($$%) {
		1239	my ($self, $type, %msg) = @_;
		1240
		1241	$self->ns->ext_event ($type, %msg);
		1242	}
		1243
		1244	=head3 cf::region
		1245
		1246	=over 4
		1247
		1248	=cut
		1249
		1250	package cf::region;
		1251
		1252	=item cf::region::find_by_path $path
		1253
		1254	Tries to decuce the probable region for a map knowing only its path.
		1255
		1256	=cut
		1257
		1258	sub find_by_path($) {
		1259	my ($path) = @_;
		1260
		1261	my ($match, $specificity);
		1262
		1263	for my $region (list) {
		1264	if ($region->match && $path =~ $region->match) {
		1265	($match, $specificity) = ($region, $region->specificity)
		1266	if $region->specificity > $specificity;
		1267	}
		1268	}
		1269
		1270	$match
		1271	}
1090		1272
1091	=back	1273	=back
1092
1093		1274
1094	=head3 cf::map	1275	=head3 cf::map
1095		1276
1096	=over 4	1277	=over 4
1097		1278
…		…
1101		1282
1102	use Fcntl;	1283	use Fcntl;
1103	use Coro::AIO;	1284	use Coro::AIO;
1104		1285
1105	use overload	1286	use overload
1106	'""' => \&as_string;	1287	'""' => \&as_string,
		1288	fallback => 1;
1107		1289
1108	our $MAX_RESET = 3600;	1290	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1291	our $DEFAULT_RESET = 3000;
1110		1292
1111	sub generate_random_map {	1293	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1294	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1295	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1296	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1307	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1308	)
1128	}	1309	}
1129		1310
		1311	=item cf::map->register ($regex, $prio)
		1312
		1313	Register a handler for the map path matching the given regex at the
		1314	givne priority (higher is better, built-in handlers have priority 0, the
		1315	default).
		1316
		1317	=cut
		1318
1130	sub register {	1319	sub register {
1131	my (undef, $regex) = @_;	1320	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1321	my $pkg = caller;
1133		1322
1134	no strict;	1323	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1324	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1325
1137	$EXT_MAP{$pkg} = qr<$regex>;	1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1327	}
1139		1328
1140	# also paths starting with '/'	1329	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1331
		1332	sub thawer_merge {
		1333	my ($self, $merge) = @_;
		1334
		1335	# we have to keep some variables in memory intact
		1336	local $self->{path};
		1337	local $self->{load_path};
		1338
		1339	$self->SUPER::thawer_merge ($merge);
		1340	}
1142		1341
1143	sub normalise {	1342	sub normalise {
1144	my ($path, $base) = @_;	1343	my ($path, $base) = @_;
		1344
		1345	$path = "$path"; # make sure its a string
		1346
		1347	$path =~ s/\.map$//;
1145		1348
1146	# map plan:	1349	# map plan:
1147	#	1350	#
1148	# /! non-realised random map exit (special hack!)	1351	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1352	# {... are special paths that are not being touched
…		…
1177		1380
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1381	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1382
1180	$path = normalise $path, $base;	1383	$path = normalise $path, $base;
1181		1384
1182	for my $pkg (keys %EXT_MAP) {	1385	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1386	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1387	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1388	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1389	$self->init; # pass $1 etc.
1187	return $self;	1390	return $self;
1188	}	1391	}
1189	}	1392	}
1190		1393
1191	Carp::carp "unable to resolve path '$path'.";	1394	Carp::carp "unable to resolve path '$path' (base '$base').";
1192	()	1395	()
1193	}	1396	}
1194		1397
1195	sub init {	1398	sub init {
1196	my ($self) = @_;	1399	my ($self) = @_;
…		…
1211		1414
1212	# the original (read-only) location	1415	# the original (read-only) location
1213	sub load_path {	1416	sub load_path {
1214	my ($self) = @_;	1417	my ($self) = @_;
1215		1418
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1419	"$MAPDIR/$self->{path}.map"
1217	}	1420	}
1218		1421
1219	# the temporary/swap location	1422	# the temporary/swap location
1220	sub save_path {	1423	sub save_path {
1221	my ($self) = @_;	1424	my ($self) = @_;
1222		1425
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1427	"$TMPDIR/$path.map"
1225	}	1428	}
1226		1429
1227	# the unique path, undef == no special unique path	1430	# the unique path, undef == no special unique path
1228	sub uniq_path {	1431	sub uniq_path {
1229	my ($self) = @_;	1432	my ($self) = @_;
1230		1433
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1435	"$UNIQUEDIR/$path"
1233	}	1436	}
1234		1437
1235	# and all this just because we cannot iterate over	1438	# and all this just because we cannot iterate over
1236	# all maps in C++...	1439	# all maps in C++...
1237	sub change_all_map_light {	1440	sub change_all_map_light {
…		…
1239		1442
1240	$_->change_map_light ($change)	1443	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1444	for grep $_->outdoor, values %cf::MAP;
1242	}	1445	}
1243		1446
		1447	sub decay_objects {
		1448	my ($self) = @_;
		1449
		1450	return if $self->{deny_reset};
		1451
		1452	$self->do_decay_objects;
		1453	}
		1454
1244	sub unlink_save {	1455	sub unlink_save {
1245	my ($self) = @_;	1456	my ($self) = @_;
1246		1457
1247	utf8::encode (my $save = $self->save_path);	1458	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1459	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1461	}
1251		1462
1252	sub load_header_from($) {	1463	sub load_header_from($) {
1253	my ($self, $path) = @_;	1464	my ($self, $path) = @_;
1254		1465
1255	utf8::encode $path;	1466	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1467	#aio_open $path, O_RDONLY, 0
1257	or return;	1468	# or return;
1258		1469
1259	$self->_load_header ($path)	1470	$self->_load_header ($path)
1260	or return;	1471	or return;
1261		1472
1262	$self->{load_path} = $path;	1473	$self->{load_path} = $path;
1263		1474
1264	1	1475	1
1265	}	1476	}
1266		1477
1267	sub load_orig {	1478	sub load_header_orig {
1268	my ($self) = @_;	1479	my ($self) = @_;
1269		1480
1270	$self->load_header_from ($self->load_path)	1481	$self->load_header_from ($self->load_path)
1271	}	1482	}
1272		1483
1273	sub load_temp {	1484	sub load_header_temp {
1274	my ($self) = @_;	1485	my ($self) = @_;
1275		1486
1276	$self->load_header_from ($self->save_path)	1487	$self->load_header_from ($self->save_path)
		1488	}
		1489
		1490	sub prepare_temp {
		1491	my ($self) = @_;
		1492
		1493	$self->last_access ((delete $self->{last_access})
		1494	|| $cf::RUNTIME); #d#
		1495	# safety
		1496	$self->{instantiate_time} = $cf::RUNTIME
		1497	if $self->{instantiate_time} > $cf::RUNTIME;
		1498	}
		1499
		1500	sub prepare_orig {
		1501	my ($self) = @_;
		1502
		1503	$self->{load_original} = 1;
		1504	$self->{instantiate_time} = $cf::RUNTIME;
		1505	$self->last_access ($cf::RUNTIME);
		1506	$self->instantiate;
1277	}	1507	}
1278		1508
1279	sub load_header {	1509	sub load_header {
1280	my ($self) = @_;	1510	my ($self) = @_;
1281		1511
1282	if ($self->load_temp) {	1512	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1513	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1514	} else {
1289	$self->load_orig	1515	$self->load_header_orig
1290	or return;	1516	or return;
1291		1517	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1518	}
		1519
		1520	$self->{deny_reset} = 1
		1521	if $self->no_reset;
		1522
		1523	$self->default_region (cf::region::find_by_path $self->{path})
		1524	unless $self->default_region;
1297		1525
1298	1	1526	1
1299	}	1527	}
1300		1528
1301	sub find;	1529	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1542	$map->{last_save} = $cf::RUNTIME;
1315		1543
1316	$map->load_header	1544	$map->load_header
1317	or return;	1545	or return;
1318		1546
1319	if ($map->should_reset) {	1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1548	# doing this can freeze the server in a sync job, obviously
		1549	#$cf::WAIT_FOR_TICK->wait;
1320	$map->reset;	1550	$map->reset;
1321	undef $guard;	1551	undef $guard;
1322	$map = find $path	1552	return find $path;
1323	or return;
1324	}	1553	}
1325		1554
1326	$cf::MAP{$path} = $map	1555	$cf::MAP{$path} = $map
1327	}	1556	}
1328	}	1557	}
		1558
		1559	sub pre_load { }
		1560	sub post_load { }
1329		1561
1330	sub load {	1562	sub load {
1331	my ($self) = @_;	1563	my ($self) = @_;
1332		1564
		1565	local $self->{deny_reset} = 1; # loading can take a long time
		1566
1333	my $path = $self->{path};	1567	my $path = $self->{path};
		1568
		1569	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1570	my $guard = cf::lock_acquire "map_load:$path";
1335		1571
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1572	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1573
1338	$self->in_memory (cf::MAP_LOADING);	1574	$self->in_memory (cf::MAP_LOADING);
1339		1575
1340	$self->alloc;	1576	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)
1342	or return;
1343		1577
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1578	$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;	1579	Coro::cede;
1365	$self->set_darkness_map;	1580
		1581	$self->_load_objects ($self->{load_path}, 1)
		1582	or return;
		1583
		1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1585	if delete $self->{load_original};
		1586
		1587	if (my $uniq = $self->uniq_path) {
		1588	utf8::encode $uniq;
		1589	if (aio_open $uniq, O_RDONLY, 0) {
		1590	$self->clear_unique_items;
		1591	$self->_load_objects ($uniq, 0);
		1592	}
		1593	}
		1594
		1595	Coro::cede;
		1596	# now do the right thing for maps
		1597	$self->link_multipart_objects;
1366	$self->difficulty ($self->estimate_difficulty)	1598	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1599	unless $self->difficulty;
1368	Coro::cede;	1600	Coro::cede;
		1601
		1602	unless ($self->{deny_activate}) {
		1603	$self->decay_objects;
		1604	$self->fix_auto_apply;
		1605	$self->update_buttons;
		1606	Coro::cede;
		1607	$self->set_darkness_map;
		1608	Coro::cede;
1369	$self->activate;	1609	$self->activate;
1370	}	1610	}
1371		1611
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1612	$self->in_memory (cf::MAP_IN_MEMORY);
		1613	}
		1614
		1615	$self->post_load;
1373	}	1616	}
1374		1617
1375	sub customise_for {	1618	sub customise_for {
1376	my ($self, $ob) = @_;	1619	my ($self, $ob) = @_;
1377		1620
1378	return find "~" . $ob->name . "/" . $self->{path}	1621	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1622	if $self->per_player;
		1623
		1624	# return find "?party/" . $ob->name . "/" . $self->{path}
		1625	# if $self->per_party;
1380		1626
1381	$self	1627	$self
1382	}	1628	}
1383		1629
1384	# find and load all maps in the 3x3 area around a map	1630	# find and load all maps in the 3x3 area around a map
…		…
1416		1662
1417	cf::sync_job { $map->load };	1663	cf::sync_job { $map->load };
1418	}	1664	}
1419		1665
1420	our %MAP_PREFETCH;	1666	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1667	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		1668
1434	sub find_async {	1669	sub find_async {
1435	my ($path, $origin) = @_;	1670	my ($path, $origin) = @_;
1436		1671
1437	$path = normalise $path, $origin && $origin->{path};	1672	$path = normalise $path, $origin && $origin->{path};
1438		1673
1439	if (my $map = $cf::MAP{$path}) {	1674	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441	}	1676	}
1442		1677
1443	$MAP_PREFETCH{$path} = 0;	1678	undef $MAP_PREFETCH{$path};
		1679	$MAP_PREFETCHER ||= cf::async {
		1680	while (%MAP_PREFETCH) {
		1681	for my $path (keys %MAP_PREFETCH) {
		1682	my $map = find $path
		1683	or next;
		1684	$map->load;
		1685
		1686	delete $MAP_PREFETCH{$path};
		1687	}
		1688	}
		1689	undef $MAP_PREFETCHER;
		1690	};
1444	$MAP_PREFETCHER->ready;	1691	$MAP_PREFETCHER->prio (6);
1445		1692
1446	()	1693	()
1447	}	1694	}
1448		1695
1449	sub save {	1696	sub save {
…		…
1494		1741
1495	sub reset_at {	1742	sub reset_at {
1496	my ($self) = @_;	1743	my ($self) = @_;
1497		1744
1498	# TODO: safety, remove and allow resettable per-player maps	1745	# 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};	1746	return 1e99 if $self->{deny_reset};
1501		1747
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1748	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1749	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		1750
…		…
1509	my ($self) = @_;	1755	my ($self) = @_;
1510		1756
1511	$self->reset_at <= $cf::RUNTIME	1757	$self->reset_at <= $cf::RUNTIME
1512	}	1758	}
1513		1759
1514	sub rename {
1515	my ($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	$self->save;
1526	}
1527
1528	sub reset {	1760	sub reset {
1529	my ($self) = @_;	1761	my ($self) = @_;
1530		1762
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	1763	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		1764
1533	return if $self->players;	1765	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		1766
1536	warn "resetting map ", $self->path;#d#	1767	warn "resetting map ", $self->path;
		1768
		1769	$self->in_memory (cf::MAP_SWAPPED);
		1770
		1771	# need to save uniques path
		1772	unless ($self->{deny_save}) {
		1773	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1774
		1775	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1776	if $uniq;
		1777	}
1537		1778
1538	delete $cf::MAP{$self->path};	1779	delete $cf::MAP{$self->path};
1539		1780
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	1781	$self->clear;
1542		1782
1543	$_->clear_links_to ($self) for values %cf::MAP;	1783	$_->clear_links_to ($self) for values %cf::MAP;
1544		1784
1545	$self->unlink_save;	1785	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	1789	my $nuke_counter = "aaaa";
1550		1790
1551	sub nuke {	1791	sub nuke {
1552	my ($self) = @_;	1792	my ($self) = @_;
1553		1793
		1794	delete $cf::MAP{$self->path};
		1795
		1796	$self->unlink_save;
		1797
		1798	bless $self, "cf::map";
		1799	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	1800	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	1801	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1803
		1804	$cf::MAP{$self->path} = $self;
		1805
1557	$self->reset; # polite request, might not happen	1806	$self->reset; # polite request, might not happen
		1807	}
		1808
		1809	=item $maps = cf::map::tmp_maps
		1810
		1811	Returns an arrayref with all map paths of currently instantiated and saved
		1812	maps. May block.
		1813
		1814	=cut
		1815
		1816	sub tmp_maps() {
		1817	[
		1818	map {
		1819	utf8::decode $_;
		1820	/\.map$/
		1821	? normalise $_
		1822	: ()
		1823	} @{ aio_readdir $TMPDIR or [] }
		1824	]
		1825	}
		1826
		1827	=item $maps = cf::map::random_maps
		1828
		1829	Returns an arrayref with all map paths of currently instantiated and saved
		1830	random maps. May block.
		1831
		1832	=cut
		1833
		1834	sub random_maps() {
		1835	[
		1836	map {
		1837	utf8::decode $_;
		1838	/\.map$/
		1839	? normalise "?random/$_"
		1840	: ()
		1841	} @{ aio_readdir $RANDOMDIR or [] }
		1842	]
1558	}	1843	}
1559		1844
1560	=item cf::map::unique_maps	1845	=item cf::map::unique_maps
1561		1846
1562	Returns an arrayref of paths of all shared maps that have	1847	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	1848	instantiated unique items. May block.
1564		1849
1565	=cut	1850	=cut
1566		1851
1567	sub unique_maps() {	1852	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1853	[
1569	or return;	1854	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	1855	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	1856	/\.map$/
1579	push @paths, $_;	1857	? normalise $_
		1858	: ()
		1859	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	1860	]
1581
1582	\@paths
1583	}	1861	}
1584		1862
1585	package cf;	1863	package cf;
1586		1864
1587	=back	1865	=back
…		…
1678	=cut	1956	=cut
1679		1957
1680	sub link_map {	1958	sub link_map {
1681	unless ($LINK_MAP) {	1959	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	1960	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1961	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	1962	$LINK_MAP->load;
1685	}	1963	}
1686		1964
1687	$LINK_MAP	1965	$LINK_MAP
1688	}	1966	}
…		…
1693	$self->deactivate_recursive;	1971	$self->deactivate_recursive;
1694		1972
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	1973	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		1974
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	1976	if $self->map && $self->map->{path} ne "{link}";
1699		1977
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	1979	}
1702		1980
1703	sub cf::object::player::leave_link {	1981	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	1982	my ($self, $map, $x, $y) = @_;
		1983
		1984	return unless $self->contr->active;
1705		1985
1706	my $link_pos = delete $self->{_link_pos};	1986	my $link_pos = delete $self->{_link_pos};
1707		1987
1708	unless ($map) {	1988	unless ($map) {
1709	# restore original map position	1989	# restore original map position
…		…
1727	$map->load;	2007	$map->load;
1728	$map->load_diag;	2008	$map->load_diag;
1729		2009
1730	return unless $self->contr->active;	2010	return unless $self->contr->active;
1731	$self->activate_recursive;	2011	$self->activate_recursive;
		2012
		2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2014	$self->enter_map ($map, $x, $y);
1733	}	2015	}
1734		2016
1735	cf::player->attach (
1736	on_logout => sub {
1737	my ($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)	2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1768		2018
		2019	Moves the player to the given map-path and coordinates by first freezing
		2020	her, loading and preparing them map, calling the provided $check callback
		2021	that has to return the map if sucecssful, and then unfreezes the player on
		2022	the new (success) or old (failed) map position.
		2023
1769	=cut	2024	=cut
		2025
		2026	our $GOTOGEN;
1770		2027
1771	sub cf::object::player::goto {	2028	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2029	my ($self, $path, $x, $y, $check) = @_;
		2030
		2031	# do generation counting so two concurrent goto's will be executed in-order
		2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2033
1774	$self->enter_link;	2034	$self->enter_link;
1775		2035
1776	(async {	2036	(async {
		2037	my $map = eval {
1777	my $map = cf::map::find $path;	2038	my $map = cf::map::find $path;
		2039
		2040	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2041	$map = $map->customise_for ($self);
1779		2042	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2043	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2045	}
1784		2046
		2047	$map
		2048	};
		2049
		2050	if ($@) {
		2051	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2052	LOG llevError | logBacktrace, Carp::longmess $@;
		2053	}
		2054
		2055	if ($gen == $self->{_goto_generation}) {
		2056	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2057	$self->leave_link ($map, $x, $y);
		2058	}
1786	})->prio (1);	2059	})->prio (1);
1787	}	2060	}
1788		2061
1789	=item $player_object->enter_exit ($exit_object)	2062	=item $player_object->enter_exit ($exit_object)
1790		2063
…		…
1792		2065
1793	sub parse_random_map_params {	2066	sub parse_random_map_params {
1794	my ($spec) = @_;	2067	my ($spec) = @_;
1795		2068
1796	my $rmp = { # defaults	2069	my $rmp = { # defaults
1797	xsize => 10,	2070	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2071	ysize => (cf::rndm 15, 40),
		2072	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2073	#layout => string,
1799	};	2074	};
1800		2075
1801	for (split /\n/, $spec) {	2076	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2077	my ($k, $v) = split /\s+/, $_, 2;
1803		2078
…		…
1807	$rmp	2082	$rmp
1808	}	2083	}
1809		2084
1810	sub prepare_random_map {	2085	sub prepare_random_map {
1811	my ($exit) = @_;	2086	my ($exit) = @_;
		2087
		2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2089
1813	# all this does is basically replace the /! path by	2090	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2091	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2092	# that depends on the exit object
1816		2093
1817	my $rmp = parse_random_map_params $exit->msg;	2094	my $rmp = parse_random_map_params $exit->msg;
1818		2095
1819	if ($exit->map) {	2096	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2097	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2098	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2099	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2100	$rmp->{origin_y} = $exit->y;
1824	}	2101	}
1825		2102
1826	$rmp->{random_seed} ||= $exit->random_seed;	2103	$rmp->{random_seed} ||= $exit->random_seed;
1827		2104
1828	my $data = cf::to_json $rmp;	2105	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2106	my $md5 = Digest::MD5::md5_hex $data;
		2107	my $meta = "$RANDOMDIR/$md5.meta";
1830		2108
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2110	aio_write $fh, 0, (length $data), $data, 0;
		2111	undef $fh;
		2112	aio_rename "$meta~", $meta;
1833		2113
1834	$exit->slaying ("?random/$md5");	2114	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2115	$exit->msg (undef);
1836	}	2116	}
1837	}	2117	}
1838		2118
1839	sub cf::object::player::enter_exit {	2119	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2120	my ($self, $exit) = @_;
1841		2121
1842	return unless $self->type == cf::PLAYER;	2122	return unless $self->type == cf::PLAYER;
		2123
		2124	if ($exit->slaying eq "/!") {
		2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2126	# the problem is that $exit might not survive long enough
		2127	# so it needs to be done right now, right here
		2128	cf::sync_job { prepare_random_map $exit };
		2129	}
		2130
		2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2132	my $hp = $exit->stats->hp;
		2133	my $sp = $exit->stats->sp;
1843		2134
1844	$self->enter_link;	2135	$self->enter_link;
1845		2136
1846	(async {	2137	(async {
1847	$self->deactivate_recursive; # just to be sure	2138	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2139	unless (eval {
1849	prepare_random_map $exit	2140	$self->goto ($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		2141
1855	1;	2142	1;
1856	}) {	2143	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2144	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2145	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2146	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2147	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2148
1862	warn "ERROR in enter_exit: $@";	2149	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2150	$self->leave_link;
1864	}	2151	}
1865	})->prio (1);	2152	})->prio (1);
…		…
1878		2165
1879	sub cf::client::send_drawinfo {	2166	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2167	my ($self, $text, $flags) = @_;
1881		2168
1882	utf8::encode $text;	2169	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2171	}
1885		2172
		2173	=item $client->ext_event ($type, %msg)
		2174
		2175	Sends an exti event to the client.
		2176
		2177	=cut
		2178
		2179	sub cf::client::ext_event($$%) {
		2180	my ($self, $type, %msg) = @_;
		2181
		2182	$msg{msgtype} = "event_$type";
		2183	$self->send_packet ("ext " . cf::to_json \%msg);
		2184	}
1886		2185
1887	=item $success = $client->query ($flags, "text", \&cb)	2186	=item $success = $client->query ($flags, "text", \&cb)
1888		2187
1889	Queues a query to the client, calling the given callback with	2188	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>,	2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1919	# get handled first	2218	# get handled first
1920	my $queue = delete $ns->{query_queue}	2219	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2220	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2221
1923	(shift @$queue)->[1]->($msg);	2222	(shift @$queue)->[1]->($msg);
		2223	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2224
1925	push @{ $ns->{query_queue} }, @$queue;	2225	push @{ $ns->{query_queue} }, @$queue;
1926		2226
1927	if (@{ $ns->{query_queue} } == @$queue) {	2227	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2228	if (@$queue) {
…		…
1986		2286
1987	# here we export the classes and methods available to script code	2287	# here we export the classes and methods available to script code
1988		2288
1989	=pod	2289	=pod
1990		2290
1991	The following fucntions and emthods are available within a safe environment:	2291	The following functions and methods are available within a safe environment:
1992		2292
1993	cf::object contr pay_amount pay_player map	2293	cf::object contr pay_amount pay_player map
1994	cf::object::player player	2294	cf::object::player player
1995	cf::player peaceful	2295	cf::player peaceful
1996	cf::map trigger	2296	cf::map trigger
…		…
2081	#############################################################################	2381	#############################################################################
2082		2382
2083	=head2 EXTENSION DATABASE SUPPORT	2383	=head2 EXTENSION DATABASE SUPPORT
2084		2384
2085	Crossfire maintains a very simple database for extension use. It can	2385	Crossfire maintains a very simple database for extension use. It can
2086	currently store anything that can be serialised using Storable, which	2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2087	excludes objects.	2387	convert to/from binary).
2088		2388
2089	The parameter C<$family> should best start with the name of the extension	2389	The parameter C<$family> should best start with the name of the extension
2090	using it, it should be unique.	2390	using it, it should be unique.
2091		2391
2092	=over 4	2392	=over 4
2093		2393
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	2394	=item $value = cf::db_get $family => $key
2101		2395
2102	Returns a single value from the database	2396	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		2397
2109	=item cf::db_put $family => $key => $value	2398	=item cf::db_put $family => $key => $value
2110		2399
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you	2400	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		2401
2122	=cut	2402	=cut
2123		2403
2124	our $DB;	2404	our $DB;
2125		2405
2126	{	2406	sub db_init {
2127	my $path = cf::localdir . "/database.pst";	2407	unless ($DB) {
		2408	$DB = BDB::db_create $DB_ENV;
2128		2409
2129	sub db_load() {	2410	cf::sync_job {
2130	$DB = stat $path ? Storable::retrieve $path : { };	2411	eval {
2131	}	2412	$DB->set_flags (BDB::CHKSUM);
2132		2413
2133	my $pid;	2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2134		2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2135	sub db_save() {	2416	cf::cleanup "db_open(db): $!" if $!;
2136	waitpid $pid, 0 if $pid;	2417	};
2137	if (0 == ($pid = fork)) {	2418	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	}	2419	};
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	});	2420	}
		2421	}
2155		2422
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}
2160
2161	sub db_get($;$) {	2423	sub db_get($$) {
2162	@_ >= 2	2424	my $key = "$_[0]/$_[1]";
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166		2425
		2426	cf::sync_job {
		2427	BDB::db_get $DB, undef, $key, my $data;
		2428
		2429	$! ? ()
		2430	: $data
		2431	}
		2432	}
		2433
2167	sub db_put($$;$) {	2434	sub db_put($$$) {
2168	if (@_ >= 3) {	2435	BDB::dbreq_pri 4;
2169	$DB->{$_[0]}{$_[1]} = $_[2];	2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2170	} else {	2437	}
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175		2438
2176	cf::global->attach (	2439	=item cf::cache $id => [$paths...], $processversion => $process
2177	prio => 10000,	2440
2178	on_cleanup => sub {	2441	Generic caching function that returns the value of the resource $id,
2179	db_sync;	2442	caching and regenerating as required.
		2443
		2444	This function can block.
		2445
		2446	=cut
		2447
		2448	sub cache {
		2449	my ($id, $src, $processversion, $process) = @_;
		2450
		2451	my $meta =
		2452	join "\x00",
		2453	$processversion,
		2454	map {
		2455	aio_stat $_
		2456	and Carp::croak "$_: $!";
		2457
		2458	($_, (stat _)[7,9])
		2459	} @$src;
		2460
		2461	my $dbmeta = db_get cache => "$id/meta";
		2462	if ($dbmeta ne $meta) {
		2463	# changed, we may need to process
		2464
		2465	my @data;
		2466	my $md5;
		2467
		2468	for (0 .. $#$src) {
		2469	0 <= aio_load $src->[$_], $data[$_]
		2470	or Carp::croak "$src->[$_]: $!";
2180	},	2471	}
2181	);	2472
		2473	# if processing is expensive, check
		2474	# checksum first
		2475	if (1) {
		2476	$md5 =
		2477	join "\x00",
		2478	$processversion,
		2479	map {
		2480	Coro::cede;
		2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2482	} 0.. $#$src;
		2483
		2484
		2485	my $dbmd5 = db_get cache => "$id/md5";
		2486	if ($dbmd5 eq $md5) {
		2487	db_put cache => "$id/meta", $meta;
		2488
		2489	return db_get cache => "$id/data";
		2490	}
		2491	}
		2492
		2493	my $t1 = Time::HiRes::time;
		2494	my $data = $process->(\@data);
		2495	my $t2 = Time::HiRes::time;
		2496
		2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2498
		2499	db_put cache => "$id/data", $data;
		2500	db_put cache => "$id/md5" , $md5;
		2501	db_put cache => "$id/meta", $meta;
		2502
		2503	return $data;
		2504	}
		2505
		2506	db_get cache => "$id/data"
		2507	}
		2508
		2509	=item fork_call { }, $args
		2510
		2511	Executes the given code block with the given arguments in a seperate
		2512	process, returning the results. Everything must be serialisable with
		2513	Coro::Storable. May, of course, block. Note that the executed sub may
		2514	never block itself or use any form of Event handling.
		2515
		2516	=cut
		2517
		2518	sub fork_call(&@) {
		2519	my ($cb, @args) = @_;
		2520
		2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2522	# or die "socketpair: $!";
		2523	pipe my $fh1, my $fh2
		2524	or die "pipe: $!";
		2525
		2526	if (my $pid = fork) {
		2527	close $fh2;
		2528
		2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2530	$res = Coro::Storable::thaw $res;
		2531
		2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2533
		2534	die $$res unless "ARRAY" eq ref $res;
		2535
		2536	return wantarray ? @$res : $res->[-1];
		2537	} else {
		2538	reset_signals;
		2539	local $SIG{__WARN__};
		2540	local $SIG{__DIE__};
		2541	eval {
		2542	close $fh1;
		2543
		2544	my @res = eval { $cb->(@args) };
		2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2546	};
		2547
		2548	warn $@ if $@;
		2549	_exit 0;
		2550	}
2182	}	2551	}
2183		2552
2184	#############################################################################	2553	#############################################################################
2185	# the server's main()	2554	# the server's init and main functions
		2555
		2556	sub load_facedata($) {
		2557	my ($path) = @_;
		2558
		2559	warn "loading facedata from $path\n";
		2560
		2561	my $facedata;
		2562	0 < aio_load $path, $facedata
		2563	or die "$path: $!";
		2564
		2565	$facedata = Coro::Storable::thaw $facedata;
		2566
		2567	$facedata->{version} == 2
		2568	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2569
		2570	{
		2571	my $faces = $facedata->{faceinfo};
		2572
		2573	while (my ($face, $info) = each %$faces) {
		2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2578	Coro::cede;
		2579	}
		2580
		2581	while (my ($face, $info) = each %$faces) {
		2582	next unless $info->{smooth};
		2583	my $idx = cf::face::find $face
		2584	or next;
		2585	if (my $smooth = cf::face::find $info->{smooth}) {
		2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2587	} else {
		2588	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2589	}
		2590	Coro::cede;
		2591	}
		2592	}
		2593
		2594	{
		2595	my $anims = $facedata->{animinfo};
		2596
		2597	while (my ($anim, $info) = each %$anims) {
		2598	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2599	Coro::cede;
		2600	}
		2601
		2602	cf::anim::invalidate_all; # d'oh
		2603	}
		2604
		2605	1
		2606	}
		2607
		2608	sub reload_regions {
		2609	load_resource_file "$MAPDIR/regions"
		2610	or die "unable to load regions file\n";
		2611	}
		2612
		2613	sub reload_facedata {
		2614	load_facedata "$DATADIR/facedata"
		2615	or die "unable to load facedata\n";
		2616	}
		2617
		2618	sub reload_archetypes {
		2619	load_resource_file "$DATADIR/archetypes"
		2620	or die "unable to load archetypes\n";
		2621	}
		2622
		2623	sub reload_treasures {
		2624	load_resource_file "$DATADIR/treasures"
		2625	or die "unable to load treasurelists\n";
		2626	}
		2627
		2628	sub reload_resources {
		2629	warn "reloading resource files...\n";
		2630
		2631	reload_regions;
		2632	reload_facedata;
		2633	#reload_archetypes;#d#
		2634	reload_archetypes;
		2635	reload_treasures;
		2636
		2637	warn "finished reloading resource files\n";
		2638	}
		2639
		2640	sub init {
		2641	reload_resources;
		2642	}
2186		2643
2187	sub cfg_load {	2644	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	2645	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	2646	or return;
2190		2647
2191	local $/;	2648	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	2649	*CFG = YAML::Syck::Load <$fh>;
2193		2650
…		…
2207		2664
2208	sub main {	2665	sub main {
2209	# we must not ever block the main coroutine	2666	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	2667	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2669	(async {
2212	async { Event::one_event };	2670	Event::one_event;
		2671	})->prio (Coro::PRIO_MAX);
2213	};	2672	};
2214		2673
2215	cfg_load;	2674	cfg_load;
2216	db_load;	2675	db_init;
2217	load_extensions;	2676	load_extensions;
		2677
		2678	$TICK_WATCHER->start;
2218	Event::loop;	2679	Event::loop;
2219	}	2680	}
2220		2681
2221	#############################################################################	2682	#############################################################################
2222	# initialisation and cleanup	2683	# initialisation and cleanup
2223		2684
2224	# install some emergency cleanup handlers	2685	# install some emergency cleanup handlers
2225	BEGIN {	2686	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	2687	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	2688	Event->signal (
		2689	reentrant => 0,
2228	data => WF_AUTOCANCEL,	2690	data => WF_AUTOCANCEL,
2229	signal => $signal,	2691	signal => $signal,
		2692	prio => 0,
2230	cb => sub {	2693	cb => sub {
2231	cf::cleanup "SIG$signal";	2694	cf::cleanup "SIG$signal";
2232	},	2695	},
2233	);	2696	);
2234	}	2697	}
2235	}	2698	}
…		…
2256	my $map = $cf::MAP{$path} or next;	2719	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	2720	$map->valid or next;
2258	$map->save;	2721	$map->save;
2259	}	2722	}
2260	warn "end emergency map save\n";	2723	warn "end emergency map save\n";
		2724
		2725	warn "begin emergency database checkpoint\n";
		2726	BDB::db_env_txn_checkpoint $DB_ENV;
		2727	warn "end emergency database checkpoint\n";
2261	};	2728	};
2262		2729
2263	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2264	}	2731	}
2265		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2266	sub reload() {	2740	sub do_reload_perl() {
2267	# can/must only be called in main	2741	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	2743	warn "can only reload from main coroutine";
2270	return;	2744	return;
2271	}	2745	}
2272		2746
2273	warn "reloading...";	2747	warn "reloading...";
2274		2748
2275	warn "freezing server";	2749	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2278		2755
2279	warn "sync database to disk";	2756	warn "syncing database to disk";
2280	cf::db_sync;	2757	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		2758
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	2759	# if anything goes wrong in here, we should simply crash as we already saved
2285		2760
2286	warn "cancel all watchers";	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	2764	}
2290		2765
		2766	warn "flushing outstanding aio requests";
		2767	for (;;) {
		2768	BDB::flush;
		2769	IO::AIO::flush;
		2770	Coro::cede;
		2771	last unless IO::AIO::nreqs || BDB::nreqs;
		2772	warn "iterate...";
		2773	}
		2774
		2775	++$RELOAD;
		2776
2291	warn "cancel all extension coros";	2777	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	2779	%EXT_CORO = ();
2294		2780
2295	warn "remove commands";	2781	warn "removing commands";
2296	%COMMAND = ();	2782	%COMMAND = ();
2297		2783
2298	warn "remove ext commands";	2784	warn "removing ext commands";
2299	%EXTCMD = ();	2785	%EXTCMD = ();
2300		2786
2301	warn "unload/nuke all extensions";	2787	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	2788	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	2789	warn "... unloading $pkg";
2304		2790
2305	if (my $cb = $pkg->can ("unload")) {	2791	if (my $cb = $pkg->can ("unload")) {
2306	eval {	2792	eval {
…		…
2311		2797
2312	warn "... nuking $pkg";	2798	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	2799	Symbol::delete_package $pkg;
2314	}	2800	}
2315		2801
2316	warn "unload all perl modules loaded from $LIBDIR";	2802	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	2803	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		2805
2320	warn "removing <$k>";	2806	warn "... unloading $k";
2321	delete $INC{$k};	2807	delete $INC{$k};
2322		2808
2323	$k =~ s/\.pm$//;	2809	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	2810	$k =~ s/\//::/g;
2325		2811
…		…
2328	}	2814	}
2329		2815
2330	Symbol::delete_package $k;	2816	Symbol::delete_package $k;
2331	}	2817	}
2332		2818
2333	warn "get rid of safe::, as good as possible";	2819	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		2822
2337	warn "unload cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2339		2826
2340	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2341	# and global variables created in xs	2828	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2343		2830
		2831	warn "unload completed, starting to reload now";
		2832
2344	warn "reloading cf.pm";	2833	warn "reloading cf.pm";
2345	require cf;	2834	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		2836
2348	warn "load config and database again";	2837	warn "loading config and database again";
2349	cf::cfg_load;	2838	cf::cfg_load;
2350	cf::db_load;
2351		2839
2352	warn "load extensions";	2840	warn "loading extensions";
2353	cf::load_extensions;	2841	cf::load_extensions;
2354		2842
2355	warn "reattach attachments to objects/players";	2843	warn "reattaching attachments to objects/players";
2356	_global_reattach;	2844	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	2845	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
2359	};	2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2360		2849
2361	if ($@) {	2850	warn "leaving sync_job";
		2851
		2852	1
		2853	} or do {
2362	warn $@;	2854	warn $@;
2363	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2364	exit 1;	2856	exit 1;
2365	}	2857	};
2366		2858
2367	warn "reloaded";	2859	warn "reloaded";
2368	};	2860	};
2369		2861
		2862	our $RELOAD_WATCHER; # used only during reload
		2863
		2864	sub reload_perl() {
		2865	# doing reload synchronously and two reloads happen back-to-back,
		2866	# coro crashes during coro_state_free->destroy here.
		2867
		2868	$RELOAD_WATCHER ||= Event->timer (
		2869	reentrant => 0,
		2870	after => 0,
		2871	data => WF_AUTOCANCEL,
		2872	cb => sub {
		2873	do_reload_perl;
		2874	undef $RELOAD_WATCHER;
		2875	},
		2876	);
		2877	}
		2878
2370	register_command "reload" => sub {	2879	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2372		2881
2373	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	2883	$who->message ("reloading server.");
		2884	async { reload_perl };
2377	}	2885	}
2378	};	2886	};
2379		2887
2380	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2381		2889
		2890	my $bug_warning = 0;
		2891
		2892	our @WAIT_FOR_TICK;
		2893	our @WAIT_FOR_TICK_BEGIN;
		2894
		2895	sub wait_for_tick {
		2896	return unless $TICK_WATCHER->is_active;
		2897	return if $Coro::current == $Coro::main;
		2898
		2899	my $signal = new Coro::Signal;
		2900	push @WAIT_FOR_TICK, $signal;
		2901	$signal->wait;
		2902	}
		2903
		2904	sub wait_for_tick_begin {
		2905	return unless $TICK_WATCHER->is_active;
		2906	return if $Coro::current == $Coro::main;
		2907
		2908	my $signal = new Coro::Signal;
		2909	push @WAIT_FOR_TICK_BEGIN, $signal;
		2910	$signal->wait;
		2911	}
		2912
		2913	my $min = 1e6;#d#
		2914	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	2916	reentrant => 0,
		2917	parked => 1,
2384	prio => 0,	2918	prio => 0,
2385	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	2920	data => WF_AUTOCANCEL,
2387	cb => sub {	2921	cb => sub {
		2922	if ($Coro::current != $Coro::main) {
		2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2924	unless ++$bug_warning > 10;
		2925	return;
		2926	}
		2927
2388	$NOW = Event::time;	2928	$NOW = $tick_start = Event::time;
2389		2929
2390	cf::server_tick; # one server iteration	2930	cf::server_tick; # one server iteration
		2931
		2932	0 && sync_job {#d#
		2933	for(1..10) {
		2934	my $t = Event::time;
		2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2936	or die;
		2937
		2938	$map->width (50);
		2939	$map->height (50);
		2940	$map->alloc;
		2941	$map->_load_objects ("/tmp/x.map", 1);
		2942	my $t = Event::time - $t;
		2943
		2944	#next unless $t < 0.0013;#d#
		2945	if ($t < $min) {
		2946	$min = $t;
		2947	}
		2948	$avg = $avg * 0.99 + $t * 0.01;
		2949	}
		2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2951	exit 0;
		2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2953	};
		2954
2391	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2393		2957
2394	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2960	Coro::async_pool {
		2961	write_runtime
		2962	or warn "ERROR: unable to write runtime file: $!";
		2963	};
		2964	}
		2965
		2966	# my $AFTER = Event::time;
		2967	# warn $AFTER - $NOW;#d#
		2968
		2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2970	$sig->send;
		2971	}
		2972	while (my $sig = shift @WAIT_FOR_TICK) {
		2973	$sig->send;
		2974	}
		2975
		2976	$NOW = Event::time;
2396		2977
2397	# if we are delayed by four ticks or more, skip them all	2978	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		2980
2400	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	2982	$TICK_WATCHER->start;
		2983
		2984	$LOAD = ($NOW - $tick_start) / $TICK;
		2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2986
		2987	_post_tick;
		2988
		2989
2402	},	2990	},
2403	);	2991	);
2404		2992
		2993	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	2994	BDB::max_poll_time $TICK * 0.1;
2406		2995	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	2996	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	2997	fd => BDB::poll_fileno,
2409	poll => 'r',	2998	poll => 'r',
2410	prio => 5,	2999	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3000	data => WF_AUTOCANCEL,
2417	after => 0,	3001	cb => \&BDB::poll_cb,
2418	interval => 10,	3002	);
2419	cb => sub {	3003	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3004
2421	write_runtime	3005	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	3006	my $status;
		3007	my $current = $Coro::current;
		3008	(
		3009	sub {
		3010	$status = $!;
		3011	$current->ready; undef $current;
		3012	},
		3013	sub {
		3014	Coro::schedule while defined $current;
		3015	$! = $status;
		3016	},
		3017	)
		3018	};
		3019
		3020	unless ($DB_ENV) {
		3021	$DB_ENV = BDB::db_env_create;
		3022
		3023	cf::sync_job {
		3024	eval {
		3025	BDB::db_env_open
		3026	$DB_ENV,
		3027	$BDBDIR,
		3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3030	0666;
		3031
		3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3033
		3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3035	$DB_ENV->set_lk_detect;
		3036	};
		3037
		3038	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	3039	};
2424	},	3040	}
2425	);	3041	}
		3042
		3043	{
		3044	IO::AIO::min_parallel 8;
		3045
		3046	undef $Coro::AIO::WATCHER;
		3047	IO::AIO::max_poll_time $TICK * 0.1;
		3048	$AIO_POLL_WATCHER = Event->io (
		3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
		3051	fd => IO::AIO::poll_fileno,
		3052	poll => 'r',
		3053	prio => 6,
		3054	cb => \&IO::AIO::poll_cb,
		3055	);
		3056	}
		3057
		3058	my $_log_backtrace;
		3059
		3060	sub _log_backtrace {
		3061	my ($msg, @addr) = @_;
		3062
		3063	$msg =~ s/\n//;
		3064
		3065	# limit the # of concurrent backtraces
		3066	if ($_log_backtrace < 2) {
		3067	++$_log_backtrace;
		3068	async {
		3069	my @bt = fork_call {
		3070	@addr = map { sprintf "%x", $_ } @addr;
		3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3073	or die "addr2line: $!";
		3074
		3075	my @funcs;
		3076	my @res = <$fh>;
		3077	chomp for @res;
		3078	while (@res) {
		3079	my ($func, $line) = splice @res, 0, 2, ();
		3080	push @funcs, "[$func] $line";
		3081	}
		3082
		3083	@funcs
		3084	};
		3085
		3086	LOG llevInfo, "[ABT] $msg\n";
		3087	LOG llevInfo, "[ABT] $_\n" for @bt;
		3088	--$_log_backtrace;
		3089	};
		3090	} else {
		3091	LOG llevInfo, "[ABT] $msg\n";
		3092	LOG llevInfo, "[ABT] [suppressed]\n";
		3093	}
		3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2426		3098
2427	END { cf::emergency_save }	3099	END { cf::emergency_save }
2428		3100
2429	1	3101	1
2430		3102

Diff Legend

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