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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 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 3.5 ();	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;
87		113
88	sub cf::map::normalise;	114	sub cf::map::normalise;
89		115
…		…
100	=item $cf::RUNTIME	126	=item $cf::RUNTIME
101		127
102	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
103	every server tick.	129	every server tick.
104		130
105	=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
106		134
107	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		139
110	=item $cf::NOW	140	=item $cf::NOW
111		141
112	The time of the last (current) server tick.	142	The time of the last (current) server tick.
113		143
114	=item $cf::TICK	144	=item $cf::TICK
115		145
116	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.
117		157
118	=item %cf::CFG	158	=item %cf::CFG
119		159
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	161	from wherever your confdir points to.
122		162
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		164
125	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
126	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
127	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.
128	window of cpu time available, or simply to synchronise to the server tick.
129		168
130	=back	169	=back
131		170
132	=cut	171	=cut
133		172
134	BEGIN {	173	BEGIN {
135	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	175	my $msg = join "", @_;
137	utf8::encode $msg;
138		176
139	$msg .= "\n"	177	$msg .= "\n"
140	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
141		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
142	LOG llevError, $msg;	183	LOG llevError, $msg;
143	};	184	};
144	}	185	}
145		186
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		194
153	# 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
154	# within the Safe compartment.	196	# within the Safe compartment.
155	for my $pkg (qw(	197	for my $pkg (qw(
156	cf::global cf::attachable	198	cf::global cf::attachable
…		…
192	$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;
193	$d	235	$d
194	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
195	}	237	}
196		238
197	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
198		240
199	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
200		242
201	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
202		244
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
211		246
212	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
213
214	=cut
215
216	sub to_json($) {
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
218	JSON::Syck::Dump $_[0]
219	}
220		248
221	=item cf::lock_wait $string	249	=item cf::lock_wait $string
222		250
223	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
224		252
…		…
230	returned.	258	returned.
231		259
232	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
233	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
234		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
235	=cut	267	=cut
236		268
237	our %LOCK;	269	our %LOCK;
238		270
239	sub lock_wait($) {	271	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
260	}	292	}
261	}	293	}
262		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
263	sub freeze_mainloop {	301	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
265		303
266	my $guard = Coro::guard {	304	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	306	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
272	$guard	308	$guard
273	}	309	}
274		310
275	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
297		333
298	sub sync_job(&) {	334	sub sync_job(&) {
299	my ($job) = @_;	335	my ($job) = @_;
300		336
301	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
302	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
304		342
305	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
317		355
318	while ($busy) {	356	while ($busy) {
319	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
320	}	358	}
321		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
322	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
323	} else {	368	} else {
324	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
325		370
326	$job->()	371	$job->()
…		…
346		391
347	$coro	392	$coro
348	}	393	}
349		394
350	sub write_runtime {	395	sub write_runtime {
351	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";
352		404
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
354	or return;	406	or return;
355		407
356	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
358	# 60 allows for the watchdog to kill the server.	410	# 60 allows for the watchdog to kill the server.
359		411
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
361	and return;	413	and return;
362		414
		415	# always fsync - this file is important
363	aio_fsync $fh	416	aio_fsync $fh
364	and return;	417	and return;
365		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
366	close $fh	422	close $fh
367	or return;	423	or return;
368		424
369	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
370	and return;	426	and return;
371		427
		428	warn "runtime file written.\n";
		429
372	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	442	}
374		443
375	=back	444	=back
376		445
377	=cut	446	=cut
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
558		627
559	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		632
564	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	634	my $pkg = shift @arg;
566		635
567	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
608	if (ref $_[0]) {	677	if (ref $_[0]) {
609	_object_attach @_;	678	_object_attach @_;
610	} else {	679	} else {
611	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
612	}	681	}
		682	_recalc_want;
613	};	683	};
614		684
615	# all those should be optimised	685	# all those should be optimised
616	sub cf::attachable::detach {	686	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
621	reattach ($obj);	691	reattach ($obj);
622	} else {	692	} else {
623	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
624	}	694	}
		695	_recalc_want;
625	};	696	};
626		697
627	sub cf::attachable::attached {	698	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
629		700
…		…
752	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
753		824
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	829	close $fh;
759		830
760	if (@$objs) {	831	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	837	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
768	}	839	}
769	} else {	840	} else {
770	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
802	or return;	873	or return;
803	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
804	}	875	}
805		876
806	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
808	return ($data, $av);	879	return ($data, $av);
809	}	880	}
810		881
811	#############################################################################	882	#############################################################################
812	# command handling &c	883	# command handling &c
…		…
872		943
873	cf::override;	944	cf::override;
874	},	945	},
875	);	946	);
876		947
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
912	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	953	next unless -r $path;
914	eval {	954
915	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, $v->{pkg};
916	1	1011	}
917	} or warn "$ext not loaded: $@";	1012
		1013	skip:
		1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1015	unless $progress;
		1016	}
918	}	1017	};
919	}	1018	}
920		1019
921	#############################################################################	1020	#############################################################################
922		1021
923	=head2 CORE EXTENSIONS	1022	=head2 CORE EXTENSIONS
…		…
939	Returns the given player object, loading it if necessary (might block).	1038	Returns the given player object, loading it if necessary (might block).
940		1039
941	=cut	1040	=cut
942		1041
943	sub playerdir($) {	1042	sub playerdir($) {
944	cf::localdir	1043	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1044	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1045	}
950		1046
951	sub path($) {	1047	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1048	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1049
954	(playerdir $login) . "/$login.pl"	1050	(playerdir $login) . "/playerdata"
955	}	1051	}
956		1052
957	sub find_active($) {	1053	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1054	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1055	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1068	my $login = $_[0];
973		1069
974	my $guard = cf::lock_acquire "user_find:$login";	1070	my $guard = cf::lock_acquire "user_find:$login";
975		1071
976	$cf::PLAYER{$_[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
977	my $pl = load_pl path $login	1080	my $pl = load_pl path $login
978	or return;	1081	or return;
979	$cf::PLAYER{$login} = $pl	1082	$cf::PLAYER{$login} = $pl
980	}	1083	}
981	}	1084	}
…		…
1018		1121
1019	=cut	1122	=cut
1020		1123
1021	sub quit_character {	1124	sub quit_character {
1022	my ($pl) = @_;	1125	my ($pl) = @_;
		1126
		1127	my $name = $pl->ob->name;
1023		1128
1024	$pl->{deny_save} = 1;	1129	$pl->{deny_save} = 1;
1025	$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
1026		1131
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1137	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1138	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1139	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1140	delete $cf::PLAYER{$pl->ob->name};
1036	$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
1037	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;
1038	}	1163	}
1039		1164
1040	=item cf::player::list_logins	1165	=item cf::player::list_logins
1041		1166
1042	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
1043	while and may block, so not sync_job-capable, ever.	1168	while and may block, so not sync_job-capable, ever.
1044		1169
1045	=cut	1170	=cut
1046		1171
1047	sub list_logins {	1172	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1173	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1174	or return [];
1050		1175
1051	my @logins;	1176	my @logins;
1052		1177
1053	for my $login (@$dirs) {	1178	for my $login (@$dirs) {
…		…
1070	=cut	1195	=cut
1071		1196
1072	sub maps($) {	1197	sub maps($) {
1073	my ($pl) = @_;	1198	my ($pl) = @_;
1074		1199
		1200	$pl = ref $pl ? $pl->ob->name : $pl;
		1201
1075	my $files = aio_readdir playerdir $pl	1202	my $files = aio_readdir playerdir $pl
1076	or return;	1203	or return;
1077		1204
1078	my @paths;	1205	my @paths;
1079		1206
1080	for (@$files) {	1207	for (@$files) {
1081	utf8::decode $_;	1208	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1209	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1210	next unless /^$PATH_SEP/o;
1084		1211
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1212	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1213	}
1087		1214
1088	\@paths	1215	\@paths
1089	}	1216	}
1090		1217
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1218	=item $player->ext_reply ($msgid, %msg)
1092		1219
1093	Sends an ext reply to the player.	1220	Sends an ext reply to the player.
1094		1221
1095	=cut	1222	=cut
1096		1223
1097	sub ext_reply($$$%) {	1224	sub ext_reply($$%) {
1098	my ($self, $id, %msg) = @_;	1225	my ($self, $id, %msg) = @_;
1099		1226
1100	$msg{msgid} = $id;	1227	$msg{msgid} = $id;
1101		1228
1102	$self->send ("ext " . cf::to_json \%msg);	1229	$self->send ("ext " . cf::to_json \%msg);
1103	}	1230	}
1104		1231
1105	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	}
1106		1272
1107	=back	1273	=back
1108
1109		1274
1110	=head3 cf::map	1275	=head3 cf::map
1111		1276
1112	=over 4	1277	=over 4
1113		1278
…		…
1168	my ($self, $merge) = @_;	1333	my ($self, $merge) = @_;
1169		1334
1170	# we have to keep some variables in memory intact	1335	# we have to keep some variables in memory intact
1171	local $self->{path};	1336	local $self->{path};
1172	local $self->{load_path};	1337	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1338
1176	$self->SUPER::thawer_merge ($merge);	1339	$self->SUPER::thawer_merge ($merge);
1177	}	1340	}
1178		1341
1179	sub normalise {	1342	sub normalise {
…		…
1251		1414
1252	# the original (read-only) location	1415	# the original (read-only) location
1253	sub load_path {	1416	sub load_path {
1254	my ($self) = @_;	1417	my ($self) = @_;
1255		1418
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1419	"$MAPDIR/$self->{path}.map"
1257	}	1420	}
1258		1421
1259	# the temporary/swap location	1422	# the temporary/swap location
1260	sub save_path {	1423	sub save_path {
1261	my ($self) = @_;	1424	my ($self) = @_;
1262		1425
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1427	"$TMPDIR/$path.map"
1265	}	1428	}
1266		1429
1267	# the unique path, undef == no special unique path	1430	# the unique path, undef == no special unique path
1268	sub uniq_path {	1431	sub uniq_path {
1269	my ($self) = @_;	1432	my ($self) = @_;
1270		1433
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1435	"$UNIQUEDIR/$path"
1273	}	1436	}
1274		1437
1275	# and all this just because we cannot iterate over	1438	# and all this just because we cannot iterate over
1276	# all maps in C++...	1439	# all maps in C++...
1277	sub change_all_map_light {	1440	sub change_all_map_light {
…		…
1279		1442
1280	$_->change_map_light ($change)	1443	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1444	for grep $_->outdoor, values %cf::MAP;
1282	}	1445	}
1283		1446
		1447	sub decay_objects {
		1448	my ($self) = @_;
		1449
		1450	return if $self->{deny_reset};
		1451
		1452	$self->do_decay_objects;
		1453	}
		1454
1284	sub unlink_save {	1455	sub unlink_save {
1285	my ($self) = @_;	1456	my ($self) = @_;
1286		1457
1287	utf8::encode (my $save = $self->save_path);	1458	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1459	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1462
1292	sub load_header_from($) {	1463	sub load_header_from($) {
1293	my ($self, $path) = @_;	1464	my ($self, $path) = @_;
1294		1465
1295	utf8::encode $path;	1466	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1467	#aio_open $path, O_RDONLY, 0
1297	or return;	1468	# or return;
1298		1469
1299	$self->_load_header ($path)	1470	$self->_load_header ($path)
1300	or return;	1471	or return;
1301		1472
1302	$self->{load_path} = $path;	1473	$self->{load_path} = $path;
…		…
1344	$self->load_header_orig	1515	$self->load_header_orig
1345	or return;	1516	or return;
1346	$self->prepare_orig;	1517	$self->prepare_orig;
1347	}	1518	}
1348		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;
		1525
1349	1	1526	1
1350	}	1527	}
1351		1528
1352	sub find;	1529	sub find;
1353	sub find {	1530	sub find {
…		…
1365	$map->{last_save} = $cf::RUNTIME;	1542	$map->{last_save} = $cf::RUNTIME;
1366		1543
1367	$map->load_header	1544	$map->load_header
1368	or return;	1545	or return;
1369		1546
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1548	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1549	#$cf::WAIT_FOR_TICK->wait;
1373	$map->reset;	1550	$map->reset;
1374	undef $guard;	1551	undef $guard;
1375	return find $path;	1552	return find $path;
…		…
1386	my ($self) = @_;	1563	my ($self) = @_;
1387		1564
1388	local $self->{deny_reset} = 1; # loading can take a long time	1565	local $self->{deny_reset} = 1; # loading can take a long time
1389		1566
1390	my $path = $self->{path};	1567	my $path = $self->{path};
		1568
		1569	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1570	my $guard = cf::lock_acquire "map_load:$path";
1392		1571
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1572	return if $self->in_memory != cf::MAP_SWAPPED;
1394		1573
1395	$self->in_memory (cf::MAP_LOADING);	1574	$self->in_memory (cf::MAP_LOADING);
1396		1575
1397	$self->alloc;	1576	$self->alloc;
1398		1577
1399	$self->pre_load;	1578	$self->pre_load;
1400
1401	$self->_load_objects ($self->{load_path}, 1)
1402	or return;
1403
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};
1406
1407	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {
1410	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);
1412	}
1413	}
1414
1415	Coro::cede;
1416
1417	# now do the right thing for maps
1418	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;	1579	Coro::cede;
1425	$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;
1426	$self->difficulty ($self->estimate_difficulty)	1598	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1599	unless $self->difficulty;
1428	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;
1429	$self->activate;	1609	$self->activate;
		1610	}
		1611
		1612	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1613	}
1431		1614
1432	$self->post_load;	1615	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1616	}
1436		1617
1437	sub customise_for {	1618	sub customise_for {
1438	my ($self, $ob) = @_;	1619	my ($self, $ob) = @_;
1439		1620
1440	return find "~" . $ob->name . "/" . $self->{path}	1621	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1622	if $self->per_player;
		1623
		1624	# return find "?party/" . $ob->name . "/" . $self->{path}
		1625	# if $self->per_party;
1442		1626
1443	$self	1627	$self
1444	}	1628	}
1445		1629
1446	# 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
…		…
1557		1741
1558	sub reset_at {	1742	sub reset_at {
1559	my ($self) = @_;	1743	my ($self) = @_;
1560		1744
1561	# TODO: safety, remove and allow resettable per-player maps	1745	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1746	return 1e99 if $self->{deny_reset};
1564		1747
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1748	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	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;
1567		1750
…		…
1578	my ($self) = @_;	1761	my ($self) = @_;
1579		1762
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	1763	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		1764
1582	return if $self->players;	1765	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		1766
1585	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	}
1586		1778
1587	delete $cf::MAP{$self->path};	1779	delete $cf::MAP{$self->path};
1588		1780
1589	$self->in_memory (cf::MAP_SWAPPED);
1590	$self->clear;	1781	$self->clear;
1591		1782
1592	$_->clear_links_to ($self) for values %cf::MAP;	1783	$_->clear_links_to ($self) for values %cf::MAP;
1593		1784
1594	$self->unlink_save;	1785	$self->unlink_save;
…		…
1613	$cf::MAP{$self->path} = $self;	1804	$cf::MAP{$self->path} = $self;
1614		1805
1615	$self->reset; # polite request, might not happen	1806	$self->reset; # polite request, might not happen
1616	}	1807	}
1617		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	]
		1843	}
		1844
1618	=item cf::map::unique_maps	1845	=item cf::map::unique_maps
1619		1846
1620	Returns an arrayref of paths of all shared maps that have	1847	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	1848	instantiated unique items. May block.
1622		1849
1623	=cut	1850	=cut
1624		1851
1625	sub unique_maps() {	1852	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1853	[
1627	or return;	1854	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	1855	utf8::decode $_;
1633	next if /\.pst$/;	1856	/\.map$/
1634	next unless /^$PATH_SEP/o;	1857	? normalise $_
1635		1858	: ()
1636	push @paths, cf::map::normalise $_;	1859	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	1860	]
1638
1639	\@paths
1640	}	1861	}
1641		1862
1642	package cf;	1863	package cf;
1643		1864
1644	=back	1865	=back
…		…
1750	$self->deactivate_recursive;	1971	$self->deactivate_recursive;
1751		1972
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	1973	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		1974
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	1976	if $self->map && $self->map->{path} ne "{link}";
1756		1977
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	1979	}
1759		1980
1760	sub cf::object::player::leave_link {	1981	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	1982	my ($self, $map, $x, $y) = @_;
		1983
		1984	return unless $self->contr->active;
1762		1985
1763	my $link_pos = delete $self->{_link_pos};	1986	my $link_pos = delete $self->{_link_pos};
1764		1987
1765	unless ($map) {	1988	unless ($map) {
1766	# restore original map position	1989	# restore original map position
…		…
1784	$map->load;	2007	$map->load;
1785	$map->load_diag;	2008	$map->load_diag;
1786		2009
1787	return unless $self->contr->active;	2010	return unless $self->contr->active;
1788	$self->activate_recursive;	2011	$self->activate_recursive;
		2012
		2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2014	$self->enter_map ($map, $x, $y);
1790	}	2015	}
1791		2016
1792	cf::player->attach (
1793	on_logout => sub {
1794	my ($pl) = @_;
1795
1796	# abort map switching before logout
1797	if ($pl->ob->{_link_pos}) {
1798	cf::sync_job {
1799	$pl->ob->leave_link
1800	};
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)	2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1825		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
1826	=cut	2024	=cut
		2025
		2026	our $GOTOGEN;
1827		2027
1828	sub cf::object::player::goto {	2028	sub cf::object::player::goto {
1829	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;
1830		2033
1831	$self->enter_link;	2034	$self->enter_link;
1832		2035
1833	(async {	2036	(async {
1834	my $map = eval {	2037	my $map = eval {
1835	my $map = cf::map::find $path;	2038	my $map = cf::map::find $path;
		2039
		2040	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2041	$map = $map->customise_for ($self);
		2042	$map = $check->($map) if $check && $map;
		2043	} else {
		2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2045	}
		2046
1837	$map	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 $@;
1838	} or	2053	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2054
		2055	if ($gen == $self->{_goto_generation}) {
		2056	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2057	$self->leave_link ($map, $x, $y);
		2058	}
1842	})->prio (1);	2059	})->prio (1);
1843	}	2060	}
1844		2061
1845	=item $player_object->enter_exit ($exit_object)	2062	=item $player_object->enter_exit ($exit_object)
1846		2063
…		…
1885		2102
1886	$rmp->{random_seed} ||= $exit->random_seed;	2103	$rmp->{random_seed} ||= $exit->random_seed;
1887		2104
1888	my $data = cf::to_json $rmp;	2105	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2106	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2107	my $meta = "$RANDOMDIR/$md5.meta";
1891		2108
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2110	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2111	undef $fh;
1895	aio_rename "$meta~", $meta;	2112	aio_rename "$meta~", $meta;
…		…
1904		2121
1905	return unless $self->type == cf::PLAYER;	2122	return unless $self->type == cf::PLAYER;
1906		2123
1907	if ($exit->slaying eq "/!") {	2124	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	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
1909	cf::sync_job { prepare_random_map $exit };	2128	cf::sync_job { prepare_random_map $exit };
1910	}	2129	}
1911		2130
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2132	my $hp = $exit->stats->hp;
…		…
1921	$self->goto ($slaying, $hp, $sp);	2140	$self->goto ($slaying, $hp, $sp);
1922		2141
1923	1;	2142	1;
1924	}) {	2143	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2144	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "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. "
1927	. "Please report this to the dungeon master!",	2146	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2147	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2148
1930	warn "ERROR in enter_exit: $@";	2149	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2150	$self->leave_link;
1932	}	2151	}
1933	})->prio (1);	2152	})->prio (1);
…		…
1946		2165
1947	sub cf::client::send_drawinfo {	2166	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2167	my ($self, $text, $flags) = @_;
1949		2168
1950	utf8::encode $text;	2169	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2171	}
1953		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	}
1954		2185
1955	=item $success = $client->query ($flags, "text", \&cb)	2186	=item $success = $client->query ($flags, "text", \&cb)
1956		2187
1957	Queues a query to the client, calling the given callback with	2188	Queues a query to the client, calling the given callback with
1958	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>,
…		…
1987	# get handled first	2218	# get handled first
1988	my $queue = delete $ns->{query_queue}	2219	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2220	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2221
1991	(shift @$queue)->[1]->($msg);	2222	(shift @$queue)->[1]->($msg);
		2223	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2224
1993	push @{ $ns->{query_queue} }, @$queue;	2225	push @{ $ns->{query_queue} }, @$queue;
1994		2226
1995	if (@{ $ns->{query_queue} } == @$queue) {	2227	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2228	if (@$queue) {
…		…
2054		2286
2055	# here we export the classes and methods available to script code	2287	# here we export the classes and methods available to script code
2056		2288
2057	=pod	2289	=pod
2058		2290
2059	The following fucntions and emthods are available within a safe environment:	2291	The following functions and methods are available within a safe environment:
2060		2292
2061	cf::object contr pay_amount pay_player map	2293	cf::object contr pay_amount pay_player map
2062	cf::object::player player	2294	cf::object::player player
2063	cf::player peaceful	2295	cf::player peaceful
2064	cf::map trigger	2296	cf::map trigger
…		…
2149	#############################################################################	2381	#############################################################################
2150		2382
2151	=head2 EXTENSION DATABASE SUPPORT	2383	=head2 EXTENSION DATABASE SUPPORT
2152		2384
2153	Crossfire maintains a very simple database for extension use. It can	2385	Crossfire maintains a very simple database for extension use. It can
2154	currently store anything that can be serialised using Storable, which	2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2155	excludes objects.	2387	convert to/from binary).
2156		2388
2157	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
2158	using it, it should be unique.	2390	using it, it should be unique.
2159		2391
2160	=over 4	2392	=over 4
2161		2393
2162	=item $hashref = cf::db_get $family
2163
2164	Return a hashref for use by the extension C<$family>, which can be
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167
2168	=item $value = cf::db_get $family => $key	2394	=item $value = cf::db_get $family => $key
2169		2395
2170	Returns a single value from the database	2396	Returns a single value from the database.
2171
2172	=item cf::db_put $family => $hashref
2173
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176		2397
2177	=item cf::db_put $family => $key => $value	2398	=item cf::db_put $family => $key => $value
2178		2399
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you	2400	Stores the given C<$value> in the family.
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189		2401
2190	=cut	2402	=cut
2191		2403
2192	our $DB;	2404	our $DB;
2193		2405
2194	{	2406	sub db_init {
2195	my $path = cf::localdir . "/database.pst";	2407	unless ($DB) {
		2408	$DB = BDB::db_create $DB_ENV;
2196		2409
2197	sub db_load() {	2410	cf::sync_job {
2198	$DB = stat $path ? Storable::retrieve $path : { };	2411	eval {
2199	}	2412	$DB->set_flags (BDB::CHKSUM);
2200		2413
2201	my $pid;	2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2202		2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2203	sub db_save() {	2416	cf::cleanup "db_open(db): $!" if $!;
2204	waitpid $pid, 0 if $pid;	2417	};
2205	if (0 == ($pid = fork)) {	2418	cf::cleanup "db_open(db): $@" if $@;
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}	2419	};
2211	}	2420	}
		2421	}
2212		2422
2213	my $dirty;
2214
2215	sub db_sync() {
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {	2423	sub db_get($$) {
2235	@_ >= 2	2424	my $key = "$_[0]/$_[1]";
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239		2425
		2426	cf::sync_job {
		2427	BDB::db_get $DB, undef, $key, my $data;
		2428
		2429	$! ? ()
		2430	: $data
		2431	}
		2432	}
		2433
2240	sub db_put($$;$) {	2434	sub db_put($$$) {
2241	if (@_ >= 3) {	2435	BDB::dbreq_pri 4;
2242	$DB->{$_[0]}{$_[1]} = $_[2];	2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2243	} else {	2437	}
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248		2438
2249	cf::global->attach (	2439	=item cf::cache $id => [$paths...], $processversion => $process
2250	prio => 10000,	2440
2251	on_cleanup => sub {	2441	Generic caching function that returns the value of the resource $id,
2252	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->[$_]: $!";
2253	},	2471	}
2254	);	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 $@;
		2549	_exit 0;
		2550	}
2255	}	2551	}
2256		2552
2257	#############################################################################	2553	#############################################################################
2258	# the server's main()	2554	# the server's init and main functions
		2555
		2556	sub load_facedata($) {
		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	}
2259		2643
2260	sub cfg_load {	2644	sub cfg_load {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	2645	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	2646	or return;
2263		2647
2264	local $/;	2648	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	2649	*CFG = YAML::Syck::Load <$fh>;
2266		2650
…		…
2286	Event::one_event;	2670	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	2671	})->prio (Coro::PRIO_MAX);
2288	};	2672	};
2289		2673
2290	cfg_load;	2674	cfg_load;
2291	db_load;	2675	db_init;
2292	load_extensions;	2676	load_extensions;
2293		2677
2294	$TICK_WATCHER->start;	2678	$TICK_WATCHER->start;
2295	Event::loop;	2679	Event::loop;
2296	}	2680	}
…		…
2335	my $map = $cf::MAP{$path} or next;	2719	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	2720	$map->valid or next;
2337	$map->save;	2721	$map->save;
2338	}	2722	}
2339	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 $DB_ENV;
		2727	warn "end emergency database checkpoint\n";
2340	};	2728	};
2341		2729
2342	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2343	}	2731	}
2344		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2345	sub reload() {	2740	sub do_reload_perl() {
2346	# can/must only be called in main	2741	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	2743	warn "can only reload from main coroutine";
2349	return;	2744	return;
2350	}	2745	}
2351		2746
2352	warn "reloading...";	2747	warn "reloading...";
2353		2748
2354	warn "cancelling server ticker";	2749	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2358		2755
2359	eval {	2756	warn "syncing database to disk";
		2757	BDB::db_env_txn_checkpoint $DB_ENV;
		2758
2360	# 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
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		2760
2365	warn "cancelling all WF_AUTOCANCEL watchers";	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	2764	}
2369		2765
2370	warn "flushing outstanding aio requests";	2766	warn "flushing outstanding aio requests";
2371	for (;;) {	2767	for (;;) {
		2768	BDB::flush;
2372	IO::AIO::flush;	2769	IO::AIO::flush;
2373	Coro::cede;	2770	Coro::cede;
2374	last unless IO::AIO::nreqs;	2771	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	2772	warn "iterate...";
2376	}	2773	}
		2774
		2775	++$RELOAD;
2377		2776
2378	warn "cancelling all extension coros";	2777	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	2779	%EXT_CORO = ();
2381		2780
…		…
2421	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2422	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);
2423		2822
2424	warn "unloading cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2426		2826
2427	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2428	# and global variables created in xs	2828	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2430		2830
…		…
2434	require cf;	2834	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		2836
2437	warn "loading config and database again";	2837	warn "loading config and database again";
2438	cf::cfg_load;	2838	cf::cfg_load;
2439	cf::db_load;
2440		2839
2441	warn "loading extensions";	2840	warn "loading extensions";
2442	cf::load_extensions;	2841	cf::load_extensions;
2443		2842
2444	warn "reattaching attachments to objects/players";	2843	warn "reattaching attachments to objects/players";
2445	_global_reattach;	2844	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	2845	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
		2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2448		2849
2449	warn "restarting server ticker";	2850	warn "leaving sync_job";
2450		2851
2451	$TICK_WATCHER->start;	2852	1
2452	};	2853	} or do {
2453
2454	if ($@) {
2455	warn $@;	2854	warn $@;
2456	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2457	exit 1;	2856	exit 1;
2458	}	2857	};
2459		2858
2460	warn "reloaded";	2859	warn "reloaded";
2461	};	2860	};
2462		2861
2463	our $RELOAD_WATCHER; # used only during reload	2862	our $RELOAD_WATCHER; # used only during reload
2464		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 $RELOAD_WATCHER;
		2875	},
		2876	);
		2877	}
		2878
2465	register_command "reload" => sub {	2879	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2467		2881
2468	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	2883	$who->message ("reloading server.");
2470		2884	async { reload_perl };
2471	# doing reload synchronously and two reloads happen back-to-back,
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);
2483	}	2885	}
2484	};	2886	};
2485		2887
2486	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2487		2889
2488	my $bug_warning = 0;	2890	my $bug_warning = 0;
2489		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;
2490	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	2916	reentrant => 0,
2492	parked => 1,	2917	parked => 1,
2493	prio => 0,	2918	prio => 0,
2494	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	2924	unless ++$bug_warning > 10;
2500	return;	2925	return;
2501	}	2926	}
2502		2927
2503	$NOW = Event::time;	2928	$NOW = $tick_start = Event::time;
2504		2929
2505	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
2506	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2508		2957
2509	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		2960	Coro::async_pool {
2512	Event::sweep;	2961	write_runtime
2513	Coro::cede_notself;	2962	or warn "ERROR: unable to write runtime file: $!";
		2963	};
2514		2964	}
		2965
2515	# my $AFTER = Event::time;	2966	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#	2967	# warn $AFTER - $NOW;#d#
2517		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;
		2977
2518	# 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
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		2980
2521	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2522	$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
2523	},	2990	},
2524	);	2991	);
2525		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;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3047	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3048	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3051	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3052	poll => 'r',
2533	prio => 6,	3053	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3054	cb => \&IO::AIO::poll_cb,
2536	);	3055	);
		3056	}
2537		3057
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3058	my $_log_backtrace;
2539	reentrant => 0,	3059
2540	data => WF_AUTOCANCEL,	3060	sub _log_backtrace {
2541	after => 1,	3061	my ($msg, @addr) = @_;
2542	interval => 10,	3062
2543	prio => 6, # keep it lowest so it acts like a watchdog	3063	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3064
2545	write_runtime	3065	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3066	if ($_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";
2547	},	3093	}
2548	);	3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2549		3098
2550	END { cf::emergency_save }	3099	END { cf::emergency_save }
2551		3100
2552	1	3101	1
2553		3102

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