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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.203 by root, Thu Feb 1 19:40:42 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";
…		…
776	}	847	}
777	} else {	848	} else {
778	aio_unlink $filename;	849	aio_unlink $filename;
779	aio_unlink "$filename.pst";	850	aio_unlink "$filename.pst";
780	}	851	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	852	}
788	}	853	}
789		854
790	sub object_freezer_as_string {	855	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	856	my ($rdata, $objs) = @_;
…		…
797		862
798	sub object_thawer_load {	863	sub object_thawer_load {
799	my ($filename) = @_;	864	my ($filename) = @_;
800		865
801	my ($data, $av);	866	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		867
806	(aio_load $filename, $data) >= 0	868	(aio_load $filename, $data) >= 0
807	or return;	869	or return;
808		870
809	unless (aio_stat "$filename.pst") {	871	unless (aio_stat "$filename.pst") {
…		…
811	or return;	873	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
813	}	875	}
814		876
815	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	879	return ($data, $av);
818	}	880	}
819		881
820	#############################################################################	882	#############################################################################
821	# command handling &c	883	# command handling &c
…		…
881		943
882	cf::override;	944	cf::override;
883	},	945	},
884	);	946	);
885		947
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
921	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	953	next unless -r $path;
923	eval {	954
924	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, $v->{pkg};
925	1	1011	}
926	} or warn "$ext not loaded: $@";	1012
		1013	skip:
		1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1015	unless $progress;
		1016	}
927	}	1017	};
928	}	1018	}
929		1019
930	#############################################################################	1020	#############################################################################
931		1021
932	=head2 CORE EXTENSIONS	1022	=head2 CORE EXTENSIONS
…		…
948	Returns the given player object, loading it if necessary (might block).	1038	Returns the given player object, loading it if necessary (might block).
949		1039
950	=cut	1040	=cut
951		1041
952	sub playerdir($) {	1042	sub playerdir($) {
953	cf::localdir	1043	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1044	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1045	}
959		1046
960	sub path($) {	1047	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1048	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1049
963	(playerdir $login) . "/$login.pl"	1050	(playerdir $login) . "/playerdata"
964	}	1051	}
965		1052
966	sub find_active($) {	1053	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1054	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1055	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1068	my $login = $_[0];
982		1069
983	my $guard = cf::lock_acquire "user_find:$login";	1070	my $guard = cf::lock_acquire "user_find:$login";
984		1071
985	$cf::PLAYER{$_[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
986	my $pl = load_pl path $login	1080	my $pl = load_pl path $login
987	or return;	1081	or return;
988	$cf::PLAYER{$login} = $pl	1082	$cf::PLAYER{$login} = $pl
989	}	1083	}
990	}	1084	}
…		…
1027		1121
1028	=cut	1122	=cut
1029		1123
1030	sub quit_character {	1124	sub quit_character {
1031	my ($pl) = @_;	1125	my ($pl) = @_;
		1126
		1127	my $name = $pl->ob->name;
1032		1128
1033	$pl->{deny_save} = 1;	1129	$pl->{deny_save} = 1;
1034	$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
1035		1131
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1137	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1138	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1139	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1140	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1163	}
1048		1164
1049	=item cf::player::list_logins	1165	=item cf::player::list_logins
1050		1166
1051	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
1052	while and may block, so not sync_job-capable, ever.	1168	while and may block, so not sync_job-capable, ever.
1053		1169
1054	=cut	1170	=cut
1055		1171
1056	sub list_logins {	1172	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1173	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1174	or return [];
1059		1175
1060	my @logins;	1176	my @logins;
1061		1177
1062	for my $login (@$dirs) {	1178	for my $login (@$dirs) {
…		…
1097	}	1213	}
1098		1214
1099	\@paths	1215	\@paths
1100	}	1216	}
1101		1217
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1218	=item $player->ext_reply ($msgid, %msg)
1103		1219
1104	Sends an ext reply to the player.	1220	Sends an ext reply to the player.
1105		1221
1106	=cut	1222	=cut
1107		1223
1108	sub ext_reply($$$%) {	1224	sub ext_reply($$%) {
1109	my ($self, $id, %msg) = @_;	1225	my ($self, $id, %msg) = @_;
1110		1226
1111	$msg{msgid} = $id;	1227	$msg{msgid} = $id;
1112		1228
1113	$self->send ("ext " . cf::to_json \%msg);	1229	$self->send ("ext " . cf::to_json \%msg);
1114	}	1230	}
1115		1231
1116	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	}
1117		1272
1118	=back	1273	=back
1119
1120		1274
1121	=head3 cf::map	1275	=head3 cf::map
1122		1276
1123	=over 4	1277	=over 4
1124		1278
…		…
1179	my ($self, $merge) = @_;	1333	my ($self, $merge) = @_;
1180		1334
1181	# we have to keep some variables in memory intact	1335	# we have to keep some variables in memory intact
1182	local $self->{path};	1336	local $self->{path};
1183	local $self->{load_path};	1337	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1338
1187	$self->SUPER::thawer_merge ($merge);	1339	$self->SUPER::thawer_merge ($merge);
1188	}	1340	}
1189		1341
1190	sub normalise {	1342	sub normalise {
…		…
1262		1414
1263	# the original (read-only) location	1415	# the original (read-only) location
1264	sub load_path {	1416	sub load_path {
1265	my ($self) = @_;	1417	my ($self) = @_;
1266		1418
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1419	"$MAPDIR/$self->{path}.map"
1268	}	1420	}
1269		1421
1270	# the temporary/swap location	1422	# the temporary/swap location
1271	sub save_path {	1423	sub save_path {
1272	my ($self) = @_;	1424	my ($self) = @_;
1273		1425
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1427	"$TMPDIR/$path.map"
1276	}	1428	}
1277		1429
1278	# the unique path, undef == no special unique path	1430	# the unique path, undef == no special unique path
1279	sub uniq_path {	1431	sub uniq_path {
1280	my ($self) = @_;	1432	my ($self) = @_;
1281		1433
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1435	"$UNIQUEDIR/$path"
1284	}	1436	}
1285		1437
1286	# and all this just because we cannot iterate over	1438	# and all this just because we cannot iterate over
1287	# all maps in C++...	1439	# all maps in C++...
1288	sub change_all_map_light {	1440	sub change_all_map_light {
…		…
1290		1442
1291	$_->change_map_light ($change)	1443	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1444	for grep $_->outdoor, values %cf::MAP;
1293	}	1445	}
1294		1446
		1447	sub decay_objects {
		1448	my ($self) = @_;
		1449
		1450	return if $self->{deny_reset};
		1451
		1452	$self->do_decay_objects;
		1453	}
		1454
1295	sub unlink_save {	1455	sub unlink_save {
1296	my ($self) = @_;	1456	my ($self) = @_;
1297		1457
1298	utf8::encode (my $save = $self->save_path);	1458	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1459	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1461	}
1307		1462
1308	sub load_header_from($) {	1463	sub load_header_from($) {
1309	my ($self, $path) = @_;	1464	my ($self, $path) = @_;
1310		1465
…		…
1360	$self->load_header_orig	1515	$self->load_header_orig
1361	or return;	1516	or return;
1362	$self->prepare_orig;	1517	$self->prepare_orig;
1363	}	1518	}
1364		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
1365	1	1526	1
1366	}	1527	}
1367		1528
1368	sub find;	1529	sub find;
1369	sub find {	1530	sub find {
…		…
1381	$map->{last_save} = $cf::RUNTIME;	1542	$map->{last_save} = $cf::RUNTIME;
1382		1543
1383	$map->load_header	1544	$map->load_header
1384	or return;	1545	or return;
1385		1546
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1548	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1549	#$cf::WAIT_FOR_TICK->wait;
1389	$map->reset;	1550	$map->reset;
1390	undef $guard;	1551	undef $guard;
1391	return find $path;	1552	return find $path;
…		…
1402	my ($self) = @_;	1563	my ($self) = @_;
1403		1564
1404	local $self->{deny_reset} = 1; # loading can take a long time	1565	local $self->{deny_reset} = 1; # loading can take a long time
1405		1566
1406	my $path = $self->{path};	1567	my $path = $self->{path};
		1568
		1569	{
1407	my $guard = cf::lock_acquire "map_load:$path";	1570	my $guard = cf::lock_acquire "map_load:$path";
1408		1571
1409	return if $self->in_memory != cf::MAP_SWAPPED;	1572	return if $self->in_memory != cf::MAP_SWAPPED;
1410		1573
1411	$self->in_memory (cf::MAP_LOADING);	1574	$self->in_memory (cf::MAP_LOADING);
1412		1575
1413	$self->alloc;	1576	$self->alloc;
1414		1577
1415	$self->pre_load;	1578	$self->pre_load;
1416
1417	$self->_load_objects ($self->{load_path}, 1)
1418	or return;
1419
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421	if delete $self->{load_original};
1422
1423	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {
1426	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);
1428	}
1429	}
1430
1431	Coro::cede;
1432
1433	# now do the right thing for maps
1434	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;	1579	Coro::cede;
1441	$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;
1442	$self->difficulty ($self->estimate_difficulty)	1598	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	1599	unless $self->difficulty;
1444	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;
1445	$self->activate;	1609	$self->activate;
		1610	}
		1611
		1612	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1613	}
1447		1614
1448	$self->post_load;	1615	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	1616	}
1452		1617
1453	sub customise_for {	1618	sub customise_for {
1454	my ($self, $ob) = @_;	1619	my ($self, $ob) = @_;
1455		1620
1456	return find "~" . $ob->name . "/" . $self->{path}	1621	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	1622	if $self->per_player;
		1623
		1624	# return find "?party/" . $ob->name . "/" . $self->{path}
		1625	# if $self->per_party;
1458		1626
1459	$self	1627	$self
1460	}	1628	}
1461		1629
1462	# 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
…		…
1573		1741
1574	sub reset_at {	1742	sub reset_at {
1575	my ($self) = @_;	1743	my ($self) = @_;
1576		1744
1577	# TODO: safety, remove and allow resettable per-player maps	1745	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	1746	return 1e99 if $self->{deny_reset};
1580		1747
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1748	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	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;
1583		1750
…		…
1594	my ($self) = @_;	1761	my ($self) = @_;
1595		1762
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	1763	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		1764
1598	return if $self->players;	1765	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		1766
1601	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	}
1602		1778
1603	delete $cf::MAP{$self->path};	1779	delete $cf::MAP{$self->path};
1604		1780
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	$self->clear;	1781	$self->clear;
1607		1782
1608	$_->clear_links_to ($self) for values %cf::MAP;	1783	$_->clear_links_to ($self) for values %cf::MAP;
1609		1784
1610	$self->unlink_save;	1785	$self->unlink_save;
…		…
1629	$cf::MAP{$self->path} = $self;	1804	$cf::MAP{$self->path} = $self;
1630		1805
1631	$self->reset; # polite request, might not happen	1806	$self->reset; # polite request, might not happen
1632	}	1807	}
1633		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
1634	=item cf::map::unique_maps	1845	=item cf::map::unique_maps
1635		1846
1636	Returns an arrayref of paths of all shared maps that have	1847	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	1848	instantiated unique items. May block.
1638		1849
1639	=cut	1850	=cut
1640		1851
1641	sub unique_maps() {	1852	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1853	[
1643	or return;	1854	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	1855	utf8::decode $_;
1649	next if /\.pst$/;	1856	/\.map$/
1650	next unless /^$PATH_SEP/o;	1857	? normalise $_
1651		1858	: ()
1652	push @paths, cf::map::normalise $_;	1859	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	1860	]
1654
1655	\@paths
1656	}	1861	}
1657		1862
1658	package cf;	1863	package cf;
1659		1864
1660	=back	1865	=back
…		…
1766	$self->deactivate_recursive;	1971	$self->deactivate_recursive;
1767		1972
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	1973	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		1974
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	1976	if $self->map && $self->map->{path} ne "{link}";
1772		1977
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	1979	}
1775		1980
1776	sub cf::object::player::leave_link {	1981	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	1982	my ($self, $map, $x, $y) = @_;
		1983
		1984	return unless $self->contr->active;
1778		1985
1779	my $link_pos = delete $self->{_link_pos};	1986	my $link_pos = delete $self->{_link_pos};
1780		1987
1781	unless ($map) {	1988	unless ($map) {
1782	# restore original map position	1989	# restore original map position
…		…
1800	$map->load;	2007	$map->load;
1801	$map->load_diag;	2008	$map->load_diag;
1802		2009
1803	return unless $self->contr->active;	2010	return unless $self->contr->active;
1804	$self->activate_recursive;	2011	$self->activate_recursive;
		2012
		2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2014	$self->enter_map ($map, $x, $y);
1806	}	2015	}
1807		2016
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821
1822	# try to abort aborted map switching on player login :)
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839
1840	=item $player_object->goto ($path, $x, $y)	2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1841		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
1842	=cut	2024	=cut
		2025
		2026	our $GOTOGEN;
1843		2027
1844	sub cf::object::player::goto {	2028	sub cf::object::player::goto {
1845	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;
1846		2033
1847	$self->enter_link;	2034	$self->enter_link;
1848		2035
1849	(async {	2036	(async {
1850	my $map = eval {	2037	my $map = eval {
1851	my $map = cf::map::find $path;	2038	my $map = cf::map::find $path;
		2039
		2040	if ($map) {
1852	$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
1853	$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 $@;
1854	} or	2053	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2054
		2055	if ($gen == $self->{_goto_generation}) {
		2056	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2057	$self->leave_link ($map, $x, $y);
		2058	}
1858	})->prio (1);	2059	})->prio (1);
1859	}	2060	}
1860		2061
1861	=item $player_object->enter_exit ($exit_object)	2062	=item $player_object->enter_exit ($exit_object)
1862		2063
…		…
1901		2102
1902	$rmp->{random_seed} ||= $exit->random_seed;	2103	$rmp->{random_seed} ||= $exit->random_seed;
1903		2104
1904	my $data = cf::to_json $rmp;	2105	my $data = cf::to_json $rmp;
1905	my $md5 = Digest::MD5::md5_hex $data;	2106	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2107	my $meta = "$RANDOMDIR/$md5.meta";
1907		2108
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2110	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2111	undef $fh;
1911	aio_rename "$meta~", $meta;	2112	aio_rename "$meta~", $meta;
…		…
1920		2121
1921	return unless $self->type == cf::PLAYER;	2122	return unless $self->type == cf::PLAYER;
1922		2123
1923	if ($exit->slaying eq "/!") {	2124	if ($exit->slaying eq "/!") {
1924	#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
1925	cf::sync_job { prepare_random_map $exit };	2128	cf::sync_job { prepare_random_map $exit };
1926	}	2129	}
1927		2130
1928	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;
1929	my $hp = $exit->stats->hp;	2132	my $hp = $exit->stats->hp;
…		…
1937	$self->goto ($slaying, $hp, $sp);	2140	$self->goto ($slaying, $hp, $sp);
1938		2141
1939	1;	2142	1;
1940	}) {	2143	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2144	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "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. "
1943	. "Please report this to the dungeon master!",	2146	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2147	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2148
1946	warn "ERROR in enter_exit: $@";	2149	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2150	$self->leave_link;
1948	}	2151	}
1949	})->prio (1);	2152	})->prio (1);
…		…
1962		2165
1963	sub cf::client::send_drawinfo {	2166	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2167	my ($self, $text, $flags) = @_;
1965		2168
1966	utf8::encode $text;	2169	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2171	}
1969		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	}
1970		2185
1971	=item $success = $client->query ($flags, "text", \&cb)	2186	=item $success = $client->query ($flags, "text", \&cb)
1972		2187
1973	Queues a query to the client, calling the given callback with	2188	Queues a query to the client, calling the given callback with
1974	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>,
…		…
2071		2286
2072	# here we export the classes and methods available to script code	2287	# here we export the classes and methods available to script code
2073		2288
2074	=pod	2289	=pod
2075		2290
2076	The following fucntions and emthods are available within a safe environment:	2291	The following functions and methods are available within a safe environment:
2077		2292
2078	cf::object contr pay_amount pay_player map	2293	cf::object contr pay_amount pay_player map
2079	cf::object::player player	2294	cf::object::player player
2080	cf::player peaceful	2295	cf::player peaceful
2081	cf::map trigger	2296	cf::map trigger
…		…
2166	#############################################################################	2381	#############################################################################
2167		2382
2168	=head2 EXTENSION DATABASE SUPPORT	2383	=head2 EXTENSION DATABASE SUPPORT
2169		2384
2170	Crossfire maintains a very simple database for extension use. It can	2385	Crossfire maintains a very simple database for extension use. It can
2171	currently store anything that can be serialised using Storable, which	2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2172	excludes objects.	2387	convert to/from binary).
2173		2388
2174	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
2175	using it, it should be unique.	2390	using it, it should be unique.
2176		2391
2177	=over 4	2392	=over 4
2178		2393
2179	=item $hashref = cf::db_get $family
2180
2181	Return a hashref for use by the extension C<$family>, which can be
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184
2185	=item $value = cf::db_get $family => $key	2394	=item $value = cf::db_get $family => $key
2186		2395
2187	Returns a single value from the database	2396	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $hashref
2190
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193		2397
2194	=item cf::db_put $family => $key => $value	2398	=item cf::db_put $family => $key => $value
2195		2399
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you	2400	Stores the given C<$value> in the family.
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206		2401
2207	=cut	2402	=cut
2208		2403
2209	our $DB;	2404	our $DB;
2210		2405
2211	{	2406	sub db_init {
2212	my $path = cf::localdir . "/database.pst";	2407	unless ($DB) {
		2408	$DB = BDB::db_create $DB_ENV;
2213		2409
2214	sub db_load() {	2410	cf::sync_job {
2215	$DB = stat $path ? Storable::retrieve $path : { };	2411	eval {
2216	}	2412	$DB->set_flags (BDB::CHKSUM);
2217		2413
2218	my $pid;	2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2219		2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2220	sub db_save() {	2416	cf::cleanup "db_open(db): $!" if $!;
2221	waitpid $pid, 0 if $pid;	2417	};
2222	if (0 == ($pid = fork)) {	2418	cf::cleanup "db_open(db): $@" if $@;
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}	2419	};
2228	}	2420	}
		2421	}
2229		2422
2230	my $dirty;
2231
2232	sub db_sync() {
2233	db_save if $dirty;
2234	undef $dirty;
2235	}
2236
2237	my $idle = Event->idle (
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {	2423	sub db_get($$) {
2252	@_ >= 2	2424	my $key = "$_[0]/$_[1]";
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256		2425
		2426	cf::sync_job {
		2427	BDB::db_get $DB, undef, $key, my $data;
		2428
		2429	$! ? ()
		2430	: $data
		2431	}
		2432	}
		2433
2257	sub db_put($$;$) {	2434	sub db_put($$$) {
2258	if (@_ >= 3) {	2435	BDB::dbreq_pri 4;
2259	$DB->{$_[0]}{$_[1]} = $_[2];	2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2260	} else {	2437	}
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265		2438
2266	cf::global->attach (	2439	=item cf::cache $id => [$paths...], $processversion => $process
2267	prio => 10000,	2440
2268	on_cleanup => sub {	2441	Generic caching function that returns the value of the resource $id,
2269	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->[$_]: $!";
2270	},	2471	}
2271	);	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 $@;
		2549	_exit 0;
		2550	}
2272	}	2551	}
2273		2552
2274	#############################################################################	2553	#############################################################################
2275	# the server's init and main functions	2554	# the server's init and main functions
2276		2555
2277	sub load_resources {	2556	sub load_facedata($) {
2278	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2279	or die "unable to load regions file\n";#d#	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;
2280	}	2642	}
2281		2643
2282	sub cfg_load {	2644	sub cfg_load {
2283	open my $fh, "<:utf8", cf::confdir . "/config"	2645	open my $fh, "<:utf8", "$CONFDIR/config"
2284	or return;	2646	or return;
2285		2647
2286	local $/;	2648	local $/;
2287	*CFG = YAML::Syck::Load <$fh>;	2649	*CFG = YAML::Syck::Load <$fh>;
2288		2650
…		…
2296	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2658	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2297	and die "WARNING: m(un)lockall failed: $!\n";	2659	and die "WARNING: m(un)lockall failed: $!\n";
2298	};	2660	};
2299	warn $@ if $@;	2661	warn $@ if $@;
2300	}	2662	}
2301	}
2302
2303	sub init {
2304	load_resources;
2305	}	2663	}
2306		2664
2307	sub main {	2665	sub main {
2308	# we must not ever block the main coroutine	2666	# we must not ever block the main coroutine
2309	local $Coro::idle = sub {	2667	local $Coro::idle = sub {
…		…
2312	Event::one_event;	2670	Event::one_event;
2313	})->prio (Coro::PRIO_MAX);	2671	})->prio (Coro::PRIO_MAX);
2314	};	2672	};
2315		2673
2316	cfg_load;	2674	cfg_load;
2317	db_load;	2675	db_init;
2318	load_extensions;	2676	load_extensions;
2319		2677
2320	$TICK_WATCHER->start;	2678	$TICK_WATCHER->start;
2321	Event::loop;	2679	Event::loop;
2322	}	2680	}
…		…
2361	my $map = $cf::MAP{$path} or next;	2719	my $map = $cf::MAP{$path} or next;
2362	$map->valid or next;	2720	$map->valid or next;
2363	$map->save;	2721	$map->save;
2364	}	2722	}
2365	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 $DB_ENV;
		2727	warn "end emergency database checkpoint\n";
2366	};	2728	};
2367		2729
2368	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2369	}	2731	}
2370		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2371	sub reload() {	2740	sub do_reload_perl() {
2372	# can/must only be called in main	2741	# can/must only be called in main
2373	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2374	warn "can only reload from main coroutine";	2743	warn "can only reload from main coroutine";
2375	return;	2744	return;
2376	}	2745	}
2377		2746
2378	warn "reloading...";	2747	warn "reloading...";
2379		2748
2380	warn "cancelling server ticker";	2749	warn "entering sync_job";
2381	$TICK_WATCHER->cancel;
2382		2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2383	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2384		2755
2385	eval {	2756	warn "syncing database to disk";
		2757	BDB::db_env_txn_checkpoint $DB_ENV;
		2758
2386	# 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
2387
2388	warn "syncing database to disk";
2389	cf::db_sync;
2390		2760
2391	warn "cancelling all WF_AUTOCANCEL watchers";	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2392	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2393	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2394	}	2764	}
2395		2765
2396	warn "flushing outstanding aio requests";	2766	warn "flushing outstanding aio requests";
2397	for (;;) {	2767	for (;;) {
		2768	BDB::flush;
2398	IO::AIO::flush;	2769	IO::AIO::flush;
2399	Coro::cede;	2770	Coro::cede;
2400	last unless IO::AIO::nreqs;	2771	last unless IO::AIO::nreqs || BDB::nreqs;
2401	warn "iterate...";	2772	warn "iterate...";
2402	}	2773	}
		2774
		2775	++$RELOAD;
2403		2776
2404	warn "cancelling all extension coros";	2777	warn "cancelling all extension coros";
2405	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2406	%EXT_CORO = ();	2779	%EXT_CORO = ();
2407		2780
…		…
2447	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2448	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);
2449		2822
2450	warn "unloading cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2451	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2452		2826
2453	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2454	# and global variables created in xs	2828	# and global variables created in xs
2455	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2456		2830
…		…
2460	require cf;	2834	require cf;
2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2462		2836
2463	warn "loading config and database again";	2837	warn "loading config and database again";
2464	cf::cfg_load;	2838	cf::cfg_load;
2465	cf::db_load;
2466		2839
2467	warn "loading extensions";	2840	warn "loading extensions";
2468	cf::load_extensions;	2841	cf::load_extensions;
2469		2842
2470	warn "reattaching attachments to objects/players";	2843	warn "reattaching attachments to objects/players";
2471	_global_reattach;	2844	_global_reattach; # objects, sockets
2472	warn "reattaching attachments to maps";	2845	warn "reattaching attachments to maps";
2473	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
		2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2474		2849
2475	warn "loading reloadable resources";	2850	warn "leaving sync_job";
2476	load_resources;
2477		2851
2478	warn "restarting server ticker";	2852	1
2479		2853	} or do {
2480	$TICK_WATCHER->start;
2481	};
2482
2483	if ($@) {
2484	warn $@;	2854	warn $@;
2485	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2486	exit 1;	2856	exit 1;
2487	}	2857	};
2488		2858
2489	warn "reloaded";	2859	warn "reloaded";
2490	};	2860	};
2491		2861
2492	our $RELOAD_WATCHER; # used only during reload	2862	our $RELOAD_WATCHER; # used only during reload
2493		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 $RELOAD_WATCHER;
		2875	},
		2876	);
		2877	}
		2878
2494	register_command "reload" => sub {	2879	register_command "reload" => sub {
2495	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2496		2881
2497	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2498	$who->message ("reloading server.");	2883	$who->message ("reloading server.");
2499		2884	async { reload_perl };
2500	# doing reload synchronously and two reloads happen back-to-back,
2501	# coro crashes during coro_state_free->destroy here.
2502
2503	$RELOAD_WATCHER ||= Event->timer (
2504	reentrant => 0,
2505	after => 0,
2506	data => WF_AUTOCANCEL,
2507	cb => sub {
2508	reload;
2509	undef $RELOAD_WATCHER;
2510	},
2511	);
2512	}	2885	}
2513	};	2886	};
2514		2887
2515	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2516		2889
2517	my $bug_warning = 0;	2890	my $bug_warning = 0;
2518		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;
2519	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2520	reentrant => 0,	2916	reentrant => 0,
2521	parked => 1,	2917	parked => 1,
2522	prio => 0,	2918	prio => 0,
2523	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
…		…
2527	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2528	unless ++$bug_warning > 10;	2924	unless ++$bug_warning > 10;
2529	return;	2925	return;
2530	}	2926	}
2531		2927
2532	$NOW = Event::time;	2928	$NOW = $tick_start = Event::time;
2533		2929
2534	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
2535	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2536	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2537		2957
2538	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2539	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2540		2960	Coro::async_pool {
2541	Event::sweep;	2961	write_runtime
2542	Coro::cede_notself;	2962	or warn "ERROR: unable to write runtime file: $!";
		2963	};
2543		2964	}
		2965
2544	# my $AFTER = Event::time;	2966	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#	2967	# warn $AFTER - $NOW;#d#
2546		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
2547	# 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
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2549		2980
2550	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2551	$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
2552	},	2990	},
2553	);	2991	);
2554		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;
2555	IO::AIO::max_poll_time $TICK * 0.1;	3047	IO::AIO::max_poll_time $TICK * 0.1;
2556
2557	undef $Coro::AIO::WATCHER;
2558	$AIO_POLL_WATCHER = Event->io (	3048	$AIO_POLL_WATCHER = Event->io (
2559	reentrant => 0,	3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
2560	fd => IO::AIO::poll_fileno,	3051	fd => IO::AIO::poll_fileno,
2561	poll => 'r',	3052	poll => 'r',
2562	prio => 6,	3053	prio => 6,
2563	data => WF_AUTOCANCEL,
2564	cb => \&IO::AIO::poll_cb,	3054	cb => \&IO::AIO::poll_cb,
2565	);	3055	);
		3056	}
2566		3057
2567	$WRITE_RUNTIME_WATCHER = Event->timer (	3058	my $_log_backtrace;
2568	reentrant => 0,	3059
2569	data => WF_AUTOCANCEL,	3060	sub _log_backtrace {
2570	after => 1,	3061	my ($msg, @addr) = @_;
2571	interval => 10,	3062
2572	prio => 6, # keep it lowest so it acts like a watchdog	3063	$msg =~ s/\n//;
2573	cb => Coro::unblock_sub {	3064
2574	write_runtime	3065	# limit the # of concurrent backtraces
2575	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";
2576	},	3093	}
2577	);	3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2578		3098
2579	END { cf::emergency_save }	3099	END { cf::emergency_save }
2580		3100
2581	1	3101	1
2582		3102

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