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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 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;
49	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	76	our $NEXT_TICK;
52	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;
53		82
54	our %CFG;	83	our %CFG;
55		84
56	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	86	our $RUNTIME;
58		87
59	our %PLAYER; # all users	88	our %PLAYER; # all users
60	our %MAP; # all maps	89	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		91
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		98
70	binmode STDOUT;	99	binmode STDOUT;
71	binmode STDERR;	100	binmode STDERR;
72		101
73	# read virtual server time, if available	102	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
78	}	107	}
79		108
80	mkdir cf::localdir;	109	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		111
86	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
87		115
88	#############################################################################	116	#############################################################################
89		117
90	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
91		119
…		…
98	=item $cf::RUNTIME	126	=item $cf::RUNTIME
99		127
100	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
101	every server tick.	129	every server tick.
102		130
103	=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
104		134
105	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		139
108	=item $cf::NOW	140	=item $cf::NOW
109		141
110	The time of the last (current) server tick.	142	The time of the last (current) server tick.
111		143
112	=item $cf::TICK	144	=item $cf::TICK
113		145
114	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.
115		157
116	=item %cf::CFG	158	=item %cf::CFG
117		159
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	161	from wherever your confdir points to.
120		162
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		164
123	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
124	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
125	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.
126	window of cpu time available, or simply to synchronise to the server tick.
127		168
128	=back	169	=back
129		170
130	=cut	171	=cut
131		172
132	BEGIN {	173	BEGIN {
133	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	175	my $msg = join "", @_;
135	utf8::encode $msg;
136		176
137	$msg .= "\n"	177	$msg .= "\n"
138	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
139		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
140	LOG llevError, $msg;	183	LOG llevError, $msg;
141	};	184	};
142	}	185	}
143		186
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		194
151	# 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
152	# within the Safe compartment.	196	# within the Safe compartment.
153	for my $pkg (qw(	197	for my $pkg (qw(
154	cf::global cf::attachable	198	cf::global cf::attachable
…		…
190	$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;
191	$d	235	$d
192	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
193	}	237	}
194		238
195	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
196		240
197	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
198		242
199	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
200		244
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
209		246
210	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		248
219	=item cf::lock_wait $string	249	=item cf::lock_wait $string
220		250
221	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
222		252
…		…
228	returned.	258	returned.
229		259
230	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
231	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
232		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
233	=cut	267	=cut
234		268
235	our %LOCK;	269	our %LOCK;
236		270
237	sub lock_wait($) {	271	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
258	}	292	}
259	}	293	}
260		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
261	sub freeze_mainloop {	301	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
263		303
264	my $guard = Coro::guard {	304	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	306	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
270	$guard	308	$guard
271	}	309	}
272		310
273	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
295		333
296	sub sync_job(&) {	334	sub sync_job(&) {
297	my ($job) = @_;	335	my ($job) = @_;
298		336
299	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
300	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
302		342
303	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
315		355
316	while ($busy) {	356	while ($busy) {
317	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
318	}	358	}
319		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
320	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
321	} else {	368	} else {
322	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
323		370
324	$job->()	371	$job->()
…		…
344		391
345	$coro	392	$coro
346	}	393	}
347		394
348	sub write_runtime {	395	sub write_runtime {
349	my $runtime = cf::localdir . "/runtime";	396	my $runtime = "$LOCALDIR/runtime";
		397
		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";
350		404
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	406	or return;
353		407
		408	my $value = $cf::RUNTIME + 90 + 10;
354	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
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;	413	and return;
357		414
		415	# always fsync - this file is important
358	aio_fsync $fh	416	aio_fsync $fh
359	and return;	417	and return;
360		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
361	close $fh	422	close $fh
362	or return;	423	or return;
363		424
364	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
365	and return;	426	and return;
366		427
		428	warn "runtime file written.\n";
		429
367	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	442	}
369		443
370	=back	444	=back
371		445
372	=cut	446	=cut
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	578	our @CB_MAP = ();
505		579
506	my %attachment;	580	my %attachment;
507		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
		587
508	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
510		590
511	use sort 'stable';	591	use sort 'stable';
512		592
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
547		627
548	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		632
553	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	634	my $pkg = shift @arg;
555		635
556	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
597	if (ref $_[0]) {	677	if (ref $_[0]) {
598	_object_attach @_;	678	_object_attach @_;
599	} else {	679	} else {
600	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
601	}	681	}
		682	_recalc_want;
602	};	683	};
603		684
604	# all those should be optimised	685	# all those should be optimised
605	sub cf::attachable::detach {	686	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
610	reattach ($obj);	691	reattach ($obj);
611	} else {	692	} else {
612	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
613	}	694	}
		695	_recalc_want;
614	};	696	};
615		697
616	sub cf::attachable::attached {	698	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
618		700
…		…
683	# object support	765	# object support
684		766
685	sub reattach {	767	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	768	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	769	my ($obj) = @_;
		770
		771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		772
689	my $registry = $obj->registry;	773	my $registry = $obj->registry;
690		774
691	@$registry = ();	775	@$registry = ();
692		776
…		…
739	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
740		824
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	829	close $fh;
746		830
747	if (@$objs) {	831	if (@$objs) {
748	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) {
749	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	837	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
755	}	839	}
756	} else {	840	} else {
757	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
789	or return;	873	or return;
790	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
791	}	875	}
792		876
793	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
795	return ($data, $av);	879	return ($data, $av);
796	}	880	}
797		881
798	#############################################################################	882	#############################################################################
799	# command handling &c	883	# command handling &c
…		…
859		943
860	cf::override;	944	cf::override;
861	},	945	},
862	);	946	);
863		947
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
899	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	953	next unless -r $path;
901	eval {	954
902	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};
903	1	1011	}
904	} or warn "$ext not loaded: $@";	1012
		1013	skip:
		1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1015	unless $progress;
		1016	}
905	}	1017	};
906	}	1018	}
907		1019
908	#############################################################################	1020	#############################################################################
909		1021
910	=head2 CORE EXTENSIONS	1022	=head2 CORE EXTENSIONS
…		…
926	Returns the given player object, loading it if necessary (might block).	1038	Returns the given player object, loading it if necessary (might block).
927		1039
928	=cut	1040	=cut
929		1041
930	sub playerdir($) {	1042	sub playerdir($) {
931	cf::localdir	1043	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1044	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1045	}
937		1046
938	sub path($) {	1047	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1048	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1049
941	(playerdir $login) . "/$login.pl"	1050	(playerdir $login) . "/playerdata"
942	}	1051	}
943		1052
944	sub find_active($) {	1053	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1054	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1055	and $cf::PLAYER{$_[0]}->active
…		…
949		1058
950	sub exists($) {	1059	sub exists($) {
951	my ($login) = @_;	1060	my ($login) = @_;
952		1061
953	$cf::PLAYER{$login}	1062	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1063	or cf::sync_job { !aio_stat path $login }
955	}	1064	}
956		1065
957	sub find($) {	1066	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1067	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1068	my $login = $_[0];
960		1069
961	my $guard = cf::lock_acquire "user_find:$login";	1070	my $guard = cf::lock_acquire "user_find:$login";
962		1071
963	$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
964	my $pl = load_pl path $login	1080	my $pl = load_pl path $login
965	or return;	1081	or return;
966	$cf::PLAYER{$login} = $pl	1082	$cf::PLAYER{$login} = $pl
967	}	1083	}
968	}	1084	}
…		…
1005		1121
1006	=cut	1122	=cut
1007		1123
1008	sub quit_character {	1124	sub quit_character {
1009	my ($pl) = @_;	1125	my ($pl) = @_;
		1126
		1127	my $name = $pl->ob->name;
1010		1128
1011	$pl->{deny_save} = 1;	1129	$pl->{deny_save} = 1;
1012	$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
1013		1131
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1137	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1138	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1139	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1140	delete $cf::PLAYER{$pl->ob->name};
1023	$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
1024	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;
1025	}	1163	}
1026		1164
1027	=item cf::player::list_logins	1165	=item cf::player::list_logins
1028		1166
1029	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
1030	while and may block, so not sync_job-capable, ever.	1168	while and may block, so not sync_job-capable, ever.
1031		1169
1032	=cut	1170	=cut
1033		1171
1034	sub list_logins {	1172	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1173	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1174	or return [];
1037		1175
1038	my @logins;	1176	my @logins;
1039		1177
1040	for my $login (@$dirs) {	1178	for my $login (@$dirs) {
…		…
1057	=cut	1195	=cut
1058		1196
1059	sub maps($) {	1197	sub maps($) {
1060	my ($pl) = @_;	1198	my ($pl) = @_;
1061		1199
		1200	$pl = ref $pl ? $pl->ob->name : $pl;
		1201
1062	my $files = aio_readdir playerdir $pl	1202	my $files = aio_readdir playerdir $pl
1063	or return;	1203	or return;
1064		1204
1065	my @paths;	1205	my @paths;
1066		1206
1067	for (@$files) {	1207	for (@$files) {
1068	utf8::decode $_;	1208	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1209	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1210	next unless /^$PATH_SEP/o;
1071		1211
1072	s/\.map$//;	1212	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1213	}
1075		1214
1076	\@paths	1215	\@paths
1077	}	1216	}
1078		1217
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1218	=item $player->ext_reply ($msgid, %msg)
1080		1219
1081	Sends an ext reply to the player.	1220	Sends an ext reply to the player.
1082		1221
1083	=cut	1222	=cut
1084		1223
1085	sub ext_reply($$$%) {	1224	sub ext_reply($$%) {
1086	my ($self, $id, %msg) = @_;	1225	my ($self, $id, %msg) = @_;
1087		1226
1088	$msg{msgid} = $id;	1227	$msg{msgid} = $id;
1089		1228
1090	$self->send ("ext " . cf::to_json \%msg);	1229	$self->send ("ext " . cf::to_json \%msg);
1091	}	1230	}
1092		1231
1093	package cf;	1232	=item $player->ext_event ($type, %msg)
		1233
		1234	Sends an ext event to the client.
		1235
		1236	=cut
		1237
		1238	sub ext_event($$%) {
		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	}
1094		1272
1095	=back	1273	=back
1096
1097		1274
1098	=head3 cf::map	1275	=head3 cf::map
1099		1276
1100	=over 4	1277	=over 4
1101		1278
…		…
1105		1282
1106	use Fcntl;	1283	use Fcntl;
1107	use Coro::AIO;	1284	use Coro::AIO;
1108		1285
1109	use overload	1286	use overload
1110	'""' => \&as_string;	1287	'""' => \&as_string,
		1288	fallback => 1;
1111		1289
1112	our $MAX_RESET = 3600;	1290	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1291	our $DEFAULT_RESET = 3000;
1114		1292
1115	sub generate_random_map {	1293	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1294	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1295	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1296	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1307	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1308	)
1132	}	1309	}
1133		1310
		1311	=item cf::map->register ($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
1134	sub register {	1319	sub register {
1135	my (undef, $regex) = @_;	1320	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1321	my $pkg = caller;
1137		1322
1138	no strict;	1323	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1324	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1325
1141	$EXT_MAP{$pkg} = qr<$regex>;	1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1327	}
1143		1328
1144	# also paths starting with '/'	1329	# also paths starting with '/'
1145	$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	}
1146		1341
1147	sub normalise {	1342	sub normalise {
1148	my ($path, $base) = @_;	1343	my ($path, $base) = @_;
		1344
		1345	$path = "$path"; # make sure its a string
		1346
		1347	$path =~ s/\.map$//;
1149		1348
1150	# map plan:	1349	# map plan:
1151	#	1350	#
1152	# /! non-realised random map exit (special hack!)	1351	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1352	# {... are special paths that are not being touched
…		…
1181		1380
1182	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
1183		1382
1184	$path = normalise $path, $base;	1383	$path = normalise $path, $base;
1185		1384
1186	for my $pkg (keys %EXT_MAP) {	1385	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1386	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1387	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1388	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1389	$self->init; # pass $1 etc.
1191	return $self;	1390	return $self;
1192	}	1391	}
1193	}	1392	}
1194		1393
1195	Carp::carp "unable to resolve path '$path'.";	1394	Carp::carp "unable to resolve path '$path' (base '$base').";
1196	()	1395	()
1197	}	1396	}
1198		1397
1199	sub init {	1398	sub init {
1200	my ($self) = @_;	1399	my ($self) = @_;
…		…
1215		1414
1216	# the original (read-only) location	1415	# the original (read-only) location
1217	sub load_path {	1416	sub load_path {
1218	my ($self) = @_;	1417	my ($self) = @_;
1219		1418
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1419	"$MAPDIR/$self->{path}.map"
1221	}	1420	}
1222		1421
1223	# the temporary/swap location	1422	# the temporary/swap location
1224	sub save_path {	1423	sub save_path {
1225	my ($self) = @_;	1424	my ($self) = @_;
1226		1425
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1427	"$TMPDIR/$path.map"
1229	}	1428	}
1230		1429
1231	# the unique path, undef == no special unique path	1430	# the unique path, undef == no special unique path
1232	sub uniq_path {	1431	sub uniq_path {
1233	my ($self) = @_;	1432	my ($self) = @_;
1234		1433
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1435	"$UNIQUEDIR/$path"
1237	}	1436	}
1238		1437
1239	# and all this just because we cannot iterate over	1438	# and all this just because we cannot iterate over
1240	# all maps in C++...	1439	# all maps in C++...
1241	sub change_all_map_light {	1440	sub change_all_map_light {
…		…
1243		1442
1244	$_->change_map_light ($change)	1443	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1444	for grep $_->outdoor, values %cf::MAP;
1246	}	1445	}
1247		1446
		1447	sub decay_objects {
		1448	my ($self) = @_;
		1449
		1450	return if $self->{deny_reset};
		1451
		1452	$self->do_decay_objects;
		1453	}
		1454
1248	sub unlink_save {	1455	sub unlink_save {
1249	my ($self) = @_;	1456	my ($self) = @_;
1250		1457
1251	utf8::encode (my $save = $self->save_path);	1458	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1459	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1461	}
1255		1462
1256	sub load_header_from($) {	1463	sub load_header_from($) {
1257	my ($self, $path) = @_;	1464	my ($self, $path) = @_;
1258		1465
1259	utf8::encode $path;	1466	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1467	#aio_open $path, O_RDONLY, 0
1261	or return;	1468	# or return;
1262		1469
1263	$self->_load_header ($path)	1470	$self->_load_header ($path)
1264	or return;	1471	or return;
1265		1472
1266	$self->{load_path} = $path;	1473	$self->{load_path} = $path;
1267		1474
1268	1	1475	1
1269	}	1476	}
1270		1477
1271	sub load_orig {	1478	sub load_header_orig {
1272	my ($self) = @_;	1479	my ($self) = @_;
1273		1480
1274	$self->load_header_from ($self->load_path)	1481	$self->load_header_from ($self->load_path)
1275	}	1482	}
1276		1483
1277	sub load_temp {	1484	sub load_header_temp {
1278	my ($self) = @_;	1485	my ($self) = @_;
1279		1486
1280	$self->load_header_from ($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	$self->instantiate;
1281	}	1507	}
1282		1508
1283	sub load_header {	1509	sub load_header {
1284	my ($self) = @_;	1510	my ($self) = @_;
1285		1511
1286	if ($self->load_temp) {	1512	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1513	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1514	} else {
1293	$self->load_orig	1515	$self->load_header_orig
1294	or return;	1516	or return;
1295		1517	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	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;
1301		1525
1302	1	1526	1
1303	}	1527	}
1304		1528
1305	sub find;	1529	sub find;
…		…
1318	$map->{last_save} = $cf::RUNTIME;	1542	$map->{last_save} = $cf::RUNTIME;
1319		1543
1320	$map->load_header	1544	$map->load_header
1321	or return;	1545	or return;
1322		1546
1323	if ($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;
1324	$map->reset;	1550	$map->reset;
1325	undef $guard;	1551	undef $guard;
1326	$map = find $path	1552	return find $path;
1327	or return;
1328	}	1553	}
1329		1554
1330	$cf::MAP{$path} = $map	1555	$cf::MAP{$path} = $map
1331	}	1556	}
1332	}	1557	}
		1558
		1559	sub pre_load { }
		1560	sub post_load { }
1333		1561
1334	sub load {	1562	sub load {
1335	my ($self) = @_;	1563	my ($self) = @_;
1336		1564
		1565	local $self->{deny_reset} = 1; # loading can take a long time
		1566
1337	my $path = $self->{path};	1567	my $path = $self->{path};
		1568
		1569	{
1338	my $guard = cf::lock_acquire "map_load:$path";	1570	my $guard = cf::lock_acquire "map_load:$path";
1339		1571
1340	return if $self->in_memory != cf::MAP_SWAPPED;	1572	return if $self->in_memory != cf::MAP_SWAPPED;
1341		1573
1342	$self->in_memory (cf::MAP_LOADING);	1574	$self->in_memory (cf::MAP_LOADING);
1343		1575
1344	$self->alloc;	1576	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)
1346	or return;
1347		1577
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1578	$self->pre_load;
1349	if delete $self->{load_original};
1350
1351	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {
1354	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);
1356	}
1357	}
1358
1359	Coro::cede;
1360
1361	# now do the right thing for maps
1362	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;	1579	Coro::cede;
1369	$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;
1370	$self->difficulty ($self->estimate_difficulty)	1598	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	1599	unless $self->difficulty;
1372	Coro::cede;	1600	Coro::cede;
		1601
		1602	unless ($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;
1373	$self->activate;	1609	$self->activate;
1374	}	1610	}
1375		1611
1376	$self->in_memory (cf::MAP_IN_MEMORY);	1612	$self->in_memory (cf::MAP_IN_MEMORY);
		1613	}
		1614
		1615	$self->post_load;
1377	}	1616	}
1378		1617
1379	sub customise_for {	1618	sub customise_for {
1380	my ($self, $ob) = @_;	1619	my ($self, $ob) = @_;
1381		1620
1382	return find "~" . $ob->name . "/" . $self->{path}	1621	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	1622	if $self->per_player;
		1623
		1624	# return find "?party/" . $ob->name . "/" . $self->{path}
		1625	# if $self->per_party;
1384		1626
1385	$self	1627	$self
1386	}	1628	}
1387		1629
1388	# 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
…		…
1420		1662
1421	cf::sync_job { $map->load };	1663	cf::sync_job { $map->load };
1422	}	1664	}
1423		1665
1424	our %MAP_PREFETCH;	1666	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	1667	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		1668
1438	sub find_async {	1669	sub find_async {
1439	my ($path, $origin) = @_;	1670	my ($path, $origin) = @_;
1440		1671
1441	$path = normalise $path, $origin && $origin->{path};	1672	$path = normalise $path, $origin && $origin->{path};
1442		1673
1443	if (my $map = $cf::MAP{$path}) {	1674	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1445	}	1676	}
1446		1677
1447	$MAP_PREFETCH{$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	};
1448	$MAP_PREFETCHER->ready;	1691	$MAP_PREFETCHER->prio (6);
1449		1692
1450	()	1693	()
1451	}	1694	}
1452		1695
1453	sub save {	1696	sub save {
…		…
1498		1741
1499	sub reset_at {	1742	sub reset_at {
1500	my ($self) = @_;	1743	my ($self) = @_;
1501		1744
1502	# TODO: safety, remove and allow resettable per-player maps	1745	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	1746	return 1e99 if $self->{deny_reset};
1505		1747
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1748	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1749	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		1750
…		…
1513	my ($self) = @_;	1755	my ($self) = @_;
1514		1756
1515	$self->reset_at <= $cf::RUNTIME	1757	$self->reset_at <= $cf::RUNTIME
1516	}	1758	}
1517		1759
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	1760	sub reset {
1533	my ($self) = @_;	1761	my ($self) = @_;
1534		1762
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	1763	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		1764
1537	return if $self->players;	1765	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		1766
1540	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	}
1541		1778
1542	delete $cf::MAP{$self->path};	1779	delete $cf::MAP{$self->path};
1543		1780
1544	$self->in_memory (cf::MAP_SWAPPED);
1545	$self->clear;	1781	$self->clear;
1546		1782
1547	$_->clear_links_to ($self) for values %cf::MAP;	1783	$_->clear_links_to ($self) for values %cf::MAP;
1548		1784
1549	$self->unlink_save;	1785	$self->unlink_save;
…		…
1553	my $nuke_counter = "aaaa";	1789	my $nuke_counter = "aaaa";
1554		1790
1555	sub nuke {	1791	sub nuke {
1556	my ($self) = @_;	1792	my ($self) = @_;
1557		1793
		1794	delete $cf::MAP{$self->path};
		1795
		1796	$self->unlink_save;
		1797
		1798	bless $self, "cf::map";
		1799	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	1800	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	1801	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1803
		1804	$cf::MAP{$self->path} = $self;
		1805
1561	$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	]
1562	}	1843	}
1563		1844
1564	=item cf::map::unique_maps	1845	=item cf::map::unique_maps
1565		1846
1566	Returns an arrayref of paths of all shared maps that have	1847	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	1848	instantiated unique items. May block.
1568		1849
1569	=cut	1850	=cut
1570		1851
1571	sub unique_maps() {	1852	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1853	[
1573	or return;	1854	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	1855	utf8::decode $_;
1579	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;
1581
1582	s/\.map$//;	1856	/\.map$/
1583	push @paths, $_;	1857	? normalise $_
		1858	: ()
		1859	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	1860	]
1585
1586	\@paths
1587	}	1861	}
1588		1862
1589	package cf;	1863	package cf;
1590		1864
1591	=back	1865	=back
…		…
1682	=cut	1956	=cut
1683		1957
1684	sub link_map {	1958	sub link_map {
1685	unless ($LINK_MAP) {	1959	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	1960	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1961	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	1962	$LINK_MAP->load;
1689	}	1963	}
1690		1964
1691	$LINK_MAP	1965	$LINK_MAP
1692	}	1966	}
…		…
1697	$self->deactivate_recursive;	1971	$self->deactivate_recursive;
1698		1972
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	1973	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		1974
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	1976	if $self->map && $self->map->{path} ne "{link}";
1703		1977
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	1979	}
1706		1980
1707	sub cf::object::player::leave_link {	1981	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	1982	my ($self, $map, $x, $y) = @_;
		1983
		1984	return unless $self->contr->active;
1709		1985
1710	my $link_pos = delete $self->{_link_pos};	1986	my $link_pos = delete $self->{_link_pos};
1711		1987
1712	unless ($map) {	1988	unless ($map) {
1713	# restore original map position	1989	# restore original map position
…		…
1731	$map->load;	2007	$map->load;
1732	$map->load_diag;	2008	$map->load_diag;
1733		2009
1734	return unless $self->contr->active;	2010	return unless $self->contr->active;
1735	$self->activate_recursive;	2011	$self->activate_recursive;
		2012
		2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2014	$self->enter_map ($map, $x, $y);
1737	}	2015	}
1738		2016
1739	cf::player->attach (
1740	on_logout => sub {
1741	my ($pl) = @_;
1742
1743	# abort map switching before logout
1744	if ($pl->ob->{_link_pos}) {
1745	cf::sync_job {
1746	$pl->ob->leave_link
1747	};
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)	2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1772		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
1773	=cut	2024	=cut
		2025
		2026	our $GOTOGEN;
1774		2027
1775	sub cf::object::player::goto {	2028	sub cf::object::player::goto {
1776	my ($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;
1777		2033
1778	$self->enter_link;	2034	$self->enter_link;
1779		2035
1780	(async {	2036	(async {
		2037	my $map = eval {
1781	my $map = cf::map::find $path;	2038	my $map = cf::map::find $path;
		2039
		2040	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2041	$map = $map->customise_for ($self);
1783		2042	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2043	} else {
1785	# if $map;
1786
1787	$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	}
1788		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};
1789	$self->leave_link ($map, $x, $y);	2057	$self->leave_link ($map, $x, $y);
		2058	}
1790	})->prio (1);	2059	})->prio (1);
1791	}	2060	}
1792		2061
1793	=item $player_object->enter_exit ($exit_object)	2062	=item $player_object->enter_exit ($exit_object)
1794		2063
…		…
1796		2065
1797	sub parse_random_map_params {	2066	sub parse_random_map_params {
1798	my ($spec) = @_;	2067	my ($spec) = @_;
1799		2068
1800	my $rmp = { # defaults	2069	my $rmp = { # defaults
1801	xsize => 10,	2070	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2071	ysize => (cf::rndm 15, 40),
		2072	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2073	#layout => string,
1803	};	2074	};
1804		2075
1805	for (split /\n/, $spec) {	2076	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2077	my ($k, $v) = split /\s+/, $_, 2;
1807		2078
…		…
1811	$rmp	2082	$rmp
1812	}	2083	}
1813		2084
1814	sub prepare_random_map {	2085	sub prepare_random_map {
1815	my ($exit) = @_;	2086	my ($exit) = @_;
		2087
		2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		2089
1817	# all this does is basically replace the /! path by	2090	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	2091	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	2092	# that depends on the exit object
1820		2093
1821	my $rmp = parse_random_map_params $exit->msg;	2094	my $rmp = parse_random_map_params $exit->msg;
1822		2095
1823	if ($exit->map) {	2096	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2097	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2098	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2099	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2100	$rmp->{origin_y} = $exit->y;
1828	}	2101	}
1829		2102
1830	$rmp->{random_seed} ||= $exit->random_seed;	2103	$rmp->{random_seed} ||= $exit->random_seed;
1831		2104
1832	my $data = cf::to_json $rmp;	2105	my $data = cf::to_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	2106	my $md5 = Digest::MD5::md5_hex $data;
		2107	my $meta = "$RANDOMDIR/$md5.meta";
1834		2108
1835	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) {
1836	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;
1837		2113
1838	$exit->slaying ("?random/$md5");	2114	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2115	$exit->msg (undef);
1840	}	2116	}
1841	}	2117	}
1842		2118
1843	sub cf::object::player::enter_exit {	2119	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2120	my ($self, $exit) = @_;
1845		2121
1846	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;
1847		2134
1848	$self->enter_link;	2135	$self->enter_link;
1849		2136
1850	(async {	2137	(async {
1851	$self->deactivate_recursive; # just to be sure	2138	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	2139	unless (eval {
1853	prepare_random_map $exit	2140	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		2141
1859	1;	2142	1;
1860	}) {	2143	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2144	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "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. "
1863	. "Please report this to the dungeon master!",	2146	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2147	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2148
1866	warn "ERROR in enter_exit: $@";	2149	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2150	$self->leave_link;
1868	}	2151	}
1869	})->prio (1);	2152	})->prio (1);
…		…
1882		2165
1883	sub cf::client::send_drawinfo {	2166	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2167	my ($self, $text, $flags) = @_;
1885		2168
1886	utf8::encode $text;	2169	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2171	}
1889		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	}
1890		2185
1891	=item $success = $client->query ($flags, "text", \&cb)	2186	=item $success = $client->query ($flags, "text", \&cb)
1892		2187
1893	Queues a query to the client, calling the given callback with	2188	Queues a query to the client, calling the given callback with
1894	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>,
…		…
1923	# get handled first	2218	# get handled first
1924	my $queue = delete $ns->{query_queue}	2219	my $queue = delete $ns->{query_queue}
1925	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
1926		2221
1927	(shift @$queue)->[1]->($msg);	2222	(shift @$queue)->[1]->($msg);
		2223	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2224
1929	push @{ $ns->{query_queue} }, @$queue;	2225	push @{ $ns->{query_queue} }, @$queue;
1930		2226
1931	if (@{ $ns->{query_queue} } == @$queue) {	2227	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2228	if (@$queue) {
…		…
1990		2286
1991	# here we export the classes and methods available to script code	2287	# here we export the classes and methods available to script code
1992		2288
1993	=pod	2289	=pod
1994		2290
1995	The following fucntions and emthods are available within a safe environment:	2291	The following functions and methods are available within a safe environment:
1996		2292
1997	cf::object contr pay_amount pay_player map	2293	cf::object contr pay_amount pay_player map
1998	cf::object::player player	2294	cf::object::player player
1999	cf::player peaceful	2295	cf::player peaceful
2000	cf::map trigger	2296	cf::map trigger
…		…
2085	#############################################################################	2381	#############################################################################
2086		2382
2087	=head2 EXTENSION DATABASE SUPPORT	2383	=head2 EXTENSION DATABASE SUPPORT
2088		2384
2089	Crossfire maintains a very simple database for extension use. It can	2385	Crossfire maintains a very simple database for extension use. It can
2090	currently store anything that can be serialised using Storable, which	2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2091	excludes objects.	2387	convert to/from binary).
2092		2388
2093	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
2094	using it, it should be unique.	2390	using it, it should be unique.
2095		2391
2096	=over 4	2392	=over 4
2097		2393
2098	=item $hashref = cf::db_get $family
2099
2100	Return a hashref for use by the extension C<$family>, which can be
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103
2104	=item $value = cf::db_get $family => $key	2394	=item $value = cf::db_get $family => $key
2105		2395
2106	Returns a single value from the database	2396	Returns a single value from the database.
2107
2108	=item cf::db_put $family => $hashref
2109
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112		2397
2113	=item cf::db_put $family => $key => $value	2398	=item cf::db_put $family => $key => $value
2114		2399
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you	2400	Stores the given C<$value> in the family.
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125		2401
2126	=cut	2402	=cut
2127		2403
2128	our $DB;	2404	our $DB;
2129		2405
2130	{	2406	sub db_init {
2131	my $path = cf::localdir . "/database.pst";	2407	unless ($DB) {
		2408	$DB = BDB::db_create $DB_ENV;
2132		2409
2133	sub db_load() {	2410	cf::sync_job {
2134	$DB = stat $path ? Storable::retrieve $path : { };	2411	eval {
2135	}	2412	$DB->set_flags (BDB::CHKSUM);
2136		2413
2137	my $pid;	2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2138		2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2139	sub db_save() {	2416	cf::cleanup "db_open(db): $!" if $!;
2140	waitpid $pid, 0 if $pid;	2417	};
2141	if (0 == ($pid = fork)) {	2418	cf::cleanup "db_open(db): $@" if $@;
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}	2419	};
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	2420	}
		2421	}
2159		2422
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}
2164
2165	sub db_get($;$) {	2423	sub db_get($$) {
2166	@_ >= 2	2424	my $key = "$_[0]/$_[1]";
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		2425
		2426	cf::sync_job {
		2427	BDB::db_get $DB, undef, $key, my $data;
		2428
		2429	$! ? ()
		2430	: $data
		2431	}
		2432	}
		2433
2171	sub db_put($$;$) {	2434	sub db_put($$$) {
2172	if (@_ >= 3) {	2435	BDB::dbreq_pri 4;
2173	$DB->{$_[0]}{$_[1]} = $_[2];	2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2174	} else {	2437	}
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		2438
2180	cf::global->attach (	2439	=item cf::cache $id => [$paths...], $processversion => $process
2181	prio => 10000,	2440
2182	on_cleanup => sub {	2441	Generic caching function that returns the value of the resource $id,
2183	db_sync;	2442	caching and regenerating as required.
		2443
		2444	This function can block.
		2445
		2446	=cut
		2447
		2448	sub cache {
		2449	my ($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 "$src->[$_]: $!";
2184	},	2471	}
2185	);	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	}
2186	}	2551	}
2187		2552
2188	#############################################################################	2553	#############################################################################
2189	# 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	}
2190		2643
2191	sub cfg_load {	2644	sub cfg_load {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	2645	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	2646	or return;
2194		2647
2195	local $/;	2648	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	2649	*CFG = YAML::Syck::Load <$fh>;
2197		2650
…		…
2211		2664
2212	sub main {	2665	sub main {
2213	# we must not ever block the main coroutine	2666	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	2667	local $Coro::idle = sub {
2215	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 {
2216	async { Event::one_event };	2670	Event::one_event;
		2671	})->prio (Coro::PRIO_MAX);
2217	};	2672	};
2218		2673
2219	cfg_load;	2674	cfg_load;
2220	db_load;	2675	db_init;
2221	load_extensions;	2676	load_extensions;
		2677
		2678	$TICK_WATCHER->start;
2222	Event::loop;	2679	Event::loop;
2223	}	2680	}
2224		2681
2225	#############################################################################	2682	#############################################################################
2226	# initialisation and cleanup	2683	# initialisation and cleanup
2227		2684
2228	# install some emergency cleanup handlers	2685	# install some emergency cleanup handlers
2229	BEGIN {	2686	BEGIN {
2230	for my $signal (qw(INT HUP TERM)) {	2687	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	2688	Event->signal (
		2689	reentrant => 0,
2232	data => WF_AUTOCANCEL,	2690	data => WF_AUTOCANCEL,
2233	signal => $signal,	2691	signal => $signal,
		2692	prio => 0,
2234	cb => sub {	2693	cb => sub {
2235	cf::cleanup "SIG$signal";	2694	cf::cleanup "SIG$signal";
2236	},	2695	},
2237	);	2696	);
2238	}	2697	}
2239	}	2698	}
…		…
2260	my $map = $cf::MAP{$path} or next;	2719	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	2720	$map->valid or next;
2262	$map->save;	2721	$map->save;
2263	}	2722	}
2264	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";
2265	};	2728	};
2266		2729
2267	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2268	}	2731	}
2269		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2270	sub reload() {	2740	sub do_reload_perl() {
2271	# can/must only be called in main	2741	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	2743	warn "can only reload from main coroutine";
2274	return;	2744	return;
2275	}	2745	}
2276		2746
2277	warn "reloading...";	2747	warn "reloading...";
2278		2748
2279	warn "freezing server";	2749	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2282		2755
2283	warn "sync database to disk";	2756	warn "syncing database to disk";
2284	cf::db_sync;	2757	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		2758
2287	eval {
2288	# 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
2289		2760
2290	warn "cancel all watchers";	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2291	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}	2764	}
2294		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
2295	warn "cancel all extension coros";	2777	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	2779	%EXT_CORO = ();
2298		2780
2299	warn "remove commands";	2781	warn "removing commands";
2300	%COMMAND = ();	2782	%COMMAND = ();
2301		2783
2302	warn "remove ext commands";	2784	warn "removing ext commands";
2303	%EXTCMD = ();	2785	%EXTCMD = ();
2304		2786
2305	warn "unload/nuke all extensions";	2787	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	2788	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	2789	warn "... unloading $pkg";
2308		2790
2309	if (my $cb = $pkg->can ("unload")) {	2791	if (my $cb = $pkg->can ("unload")) {
2310	eval {	2792	eval {
…		…
2315		2797
2316	warn "... nuking $pkg";	2798	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	2799	Symbol::delete_package $pkg;
2318	}	2800	}
2319		2801
2320	warn "unload all perl modules loaded from $LIBDIR";	2802	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	2803	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		2805
2324	warn "removing <$k>";	2806	warn "... unloading $k";
2325	delete $INC{$k};	2807	delete $INC{$k};
2326		2808
2327	$k =~ s/\.pm$//;	2809	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	2810	$k =~ s/\//::/g;
2329		2811
…		…
2332	}	2814	}
2333		2815
2334	Symbol::delete_package $k;	2816	Symbol::delete_package $k;
2335	}	2817	}
2336		2818
2337	warn "get rid of safe::, as good as possible";	2819	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2339	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);
2340		2822
2341	warn "unload cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2343		2826
2344	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2345	# and global variables created in xs	2828	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2347		2830
		2831	warn "unload completed, starting to reload now";
		2832
2348	warn "reloading cf.pm";	2833	warn "reloading cf.pm";
2349	require cf;	2834	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		2836
2352	warn "load config and database again";	2837	warn "loading config and database again";
2353	cf::cfg_load;	2838	cf::cfg_load;
2354	cf::db_load;
2355		2839
2356	warn "load extensions";	2840	warn "loading extensions";
2357	cf::load_extensions;	2841	cf::load_extensions;
2358		2842
2359	warn "reattach attachments to objects/players";	2843	warn "reattaching attachments to objects/players";
2360	_global_reattach;	2844	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	2845	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
2363	};	2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2364		2849
2365	if ($@) {	2850	warn "leaving sync_job";
		2851
		2852	1
		2853	} or do {
2366	warn $@;	2854	warn $@;
2367	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2368	exit 1;	2856	exit 1;
2369	}	2857	};
2370		2858
2371	warn "reloaded";	2859	warn "reloaded";
2372	};	2860	};
2373		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
2374	register_command "reload" => sub {	2879	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2376		2881
2377	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	2883	$who->message ("reloading server.");
		2884	async { reload_perl };
2381	}	2885	}
2382	};	2886	};
2383		2887
2384	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2385		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;
2386	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2387	reentrant => 0,	2916	reentrant => 0,
		2917	parked => 1,
2388	prio => 0,	2918	prio => 0,
2389	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,	2920	data => WF_AUTOCANCEL,
2391	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
2392	$NOW = Event::time;	2928	$NOW = $tick_start = Event::time;
2393		2929
2394	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
2395	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2397		2957
2398	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$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;
2400		2977
2401	# 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
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2403		2980
2404	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2405	$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
2406	},	2990	},
2407	);	2991	);
2408		2992
		2993	{
		2994	BDB::max_poll_time $TICK * 0.1;
		2995	$BDB_POLL_WATCHER = Event->io (
		2996	reentrant => 0,
		2997	fd => BDB::poll_fileno,
		2998	poll => 'r',
		2999	prio => 0,
		3000	data => WF_AUTOCANCEL,
		3001	cb => \&BDB::poll_cb,
		3002	);
		3003	BDB::min_parallel 8;
		3004
		3005	BDB::set_sync_prepare {
		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 $@;
		3039	};
		3040	}
		3041	}
		3042
		3043	{
		3044	IO::AIO::min_parallel 8;
		3045
		3046	undef $Coro::AIO::WATCHER;
2409	IO::AIO::max_poll_time $TICK * 0.2;	3047	IO::AIO::max_poll_time $TICK * 0.1;
2410
2411	$AIO_POLL_WATCHER = Event->io (	3048	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,	3049	reentrant => 0,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,	3050	data => WF_AUTOCANCEL,
2421	after => 0,	3051	fd => IO::AIO::poll_fileno,
2422	interval => 10,	3052	poll => 'r',
2423	cb => sub {	3053	prio => 6,
2424	(Coro::unblock_sub {	3054	cb => \&IO::AIO::poll_cb,
2425	write_runtime	3055	);
2426	or warn "ERROR: unable to write runtime file: $!";	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;
2427	})->();	3089	};
		3090	} else {
		3091	LOG llevInfo, "[ABT] $msg\n";
		3092	LOG llevInfo, "[ABT] [suppressed]\n";
2428	},	3093	}
2429	);	3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2430		3098
2431	END { cf::emergency_save }	3099	END { cf::emergency_save }
2432		3100
2433	1	3101	1
2434		3102

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