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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC vs.
Revision 1.463 by root, Sun Dec 28 06:59:27 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use EV 1.86;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;	56	use Digest::MD5;
31	use Fcntl;	57	use Fcntl;
32	use YAML ();	58	use YAML ();
33	use IO::AIO 2.51 ();	59	use IO::AIO ();
34	use Time::HiRes;	60	use Time::HiRes;
35	use Compress::LZF;	61	use Compress::LZF;
36	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
37		65
38	# configure various modules to our taste	66	# configure various modules to our taste
39	#	67	#
40	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
45		76
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
47		78
48	our %COMMAND = ();	79	our %COMMAND = ();
49	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
52	our %EXTCMD = ();	83	our %EXTCMD = ();
53	our %EXTICMD = ();	84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
71	our %RESOURCE;	105	our %RESOURCE;
72		106
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	109	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		111
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
85		116
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		129
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
102		138
103	binmode STDOUT;	139	binmode STDOUT;
104	binmode STDERR;	140	binmode STDERR;
105		141
106	# read virtual server time, if available	142	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
111	}	147	}
112		148
113	mkdir $_	149	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
192	LOG llevError, $msg;	228	LOG llevError, $msg;
193	};	229	};
194	}	230	}
195		231
196	$Coro::State::DIEHOOK = sub {	232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
197	warn Carp::longmess $_[0];	241	warn Carp::longmess $_[0];
198	Coro::terminate;	242	Coro::terminate
199	};	243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
200		246
201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
211	for my $pkg (qw(	257	for my $pkg (qw(
212	cf::global cf::attachable	258	cf::global cf::attachable
213	cf::object cf::object::player	259	cf::object cf::object::player
214	cf::client cf::player	260	cf::client cf::player
215	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
216	cf::map cf::party cf::region	263	cf::party cf::region
217	)) {	264	)) {
218	no strict 'refs';
219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
220	}	266	}
221		267
222	$EV::DIED = sub {	268	$EV::DIED = sub {
223	warn "error in event callback: @_";	269	warn "error in event callback: @_";
…		…
265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
266		312
267	sub encode_json($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
268	sub decode_json($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
269		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
		329
270	=item cf::lock_wait $string	330	=item cf::lock_wait $string
271		331
272	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
273		333
274	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
275		335
276	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
278	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
279	returned.	339	returned.
280		340
281	Locks are *not* recursive, locking from the same coro twice results in a	341	Locks are *not* recursive, locking from the same coro twice results in a
282	deadlocked coro.	342	deadlocked coro.
…		…
288		348
289	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
290		350
291	=cut	351	=cut
292		352
293	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
294	our %LOCKER;#d#
295		354
296	sub lock_wait($) {	355	sub lock_wait($) {
297	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
298
299	if ($LOCKER{$key} == $Coro::current) {#d#
300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
301	return;#d#
302	}#d#
303
304	# wait for lock, if any
305	while ($LOCK{$key}) {
306	push @{ $LOCK{$key} }, $Coro::current;
307	Coro::schedule;
308	}
309	}	357	}
310		358
311	sub lock_acquire($) {	359	sub lock_acquire($) {
312	my ($key) = @_;	360	$LOCKS->guard ($_[0])
313
314	# wait, to be sure we are not locked
315	lock_wait $key;
316
317	$LOCK{$key} = [];
318	$LOCKER{$key} = $Coro::current;#d#
319
320	Coro::guard {
321	delete $LOCKER{$key};#d#
322	# wake up all waiters, to be on the safe side
323	$_->ready for @{ delete $LOCK{$key} };
324	}
325	}	361	}
326		362
327	sub lock_active($) {	363	sub lock_active($) {
328	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
329
330	! ! $LOCK{$key}
331	}	365	}
332		366
333	sub freeze_mainloop {	367	sub freeze_mainloop {
334	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
335		369
336	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
337	$TICK_WATCHER->start;
338	};
339	$TICK_WATCHER->stop;
340	$guard
341	}	371	}
342		372
343	=item cf::periodic $interval, $cb	373	=item cf::periodic $interval, $cb
344		374
345	Like EV::periodic, but randomly selects a starting point so that the actions	375	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
400	}	430	}
401	}	431	}
402	};	432	};
403		433
404	sub get_slot($;$$) {	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
405	my ($time, $pri, $name) = @_;	437	my ($time, $pri, $name) = @_;
406		438
407	$time = $TICK * .6 if $time > $TICK * .6;	439	$time = $TICK * .6 if $time > $TICK * .6;
408	my $sig = new Coro::Signal;	440	my $sig = new Coro::Signal;
409		441
…		…
446	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
447	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
448		480
449	LOG llevError, Carp::longmess "sync job";#d#	481	LOG llevError, Carp::longmess "sync job";#d#
450		482
451	# TODO: use suspend/resume instead
452	# (but this is cancel-safe)
453	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
454		484
455	my $busy = 1;	485	my $busy = 1;
456	my @res;	486	my @res;
457		487
…		…
468	} else {	498	} else {
469	EV::loop EV::LOOP_ONESHOT;	499	EV::loop EV::LOOP_ONESHOT;
470	}	500	}
471	}	501	}
472		502
473	$time = EV::time - $time;	503	my $time = EV::time - $time;
474		504
475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
477
478	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
479		506
480	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
481	} else {	508	} else {
482	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
483		510
…		…
525	reset_signals;	552	reset_signals;
526	&$cb	553	&$cb
527	}, @args;	554	}, @args;
528		555
529	wantarray ? @res : $res[-1]	556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
530	}	584	}
531		585
532	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
533		587
534	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
673		727
674	#############################################################################	728	#############################################################################
675		729
676	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
677		731
678	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
679	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
680	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
681		735
682	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
683	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
733	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
734		788
735	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
736	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
737		791
738	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
739	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
740		794
741	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
742		796
743	=over 4	797	=over 4
…		…
1034		1088
1035	sub reattach {	1089	sub reattach {
1036	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
1037	my ($obj) = @_;	1091	my ($obj) = @_;
1038		1092
		1093	# no longer needed after getting rid of delete_package?
1039	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1040		1095
1041	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
1042		1097
1043	@$registry = ();	1098	@$registry = ();
1044		1099
…		…
1090	utf8::decode (my $decname = $filename);	1145	utf8::decode (my $decname = $filename);
1091	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1092	$decname, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1093		1148
1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1095	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1097	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1098	close $fh;	1153	aio_close $fh;
1099		1154
1100	if (@$objs) {	1155	if (@$objs) {
1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1102	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1104	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1105	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1106	close $fh;	1161	aio_close $fh;
1107	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1108	}	1163	}
1109	} else {	1164	} else {
1110	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1111	}	1166	}
1112		1167
1113	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1114	} else {	1172	} else {
1115	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
1116	}	1174	}
1117	} else {	1175	} else {
1118	aio_unlink $filename;	1176	aio_unlink $filename;
1119	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1120	}	1178	}
…		…
1211	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1212		1270
1213	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1214	}	1272	}
1215		1273
		1274	use File::Glob ();
		1275
1216	cf::player->attach (	1276	cf::player->attach (
1217	on_command => sub {	1277	on_command => sub {
1218	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1219		1279
1220	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1252		1312
1253	cf::override;	1313	cf::override;
1254	},	1314	},
1255	);	1315	);
1256		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
		1329
1257	sub load_extensions {	1330	sub load_extensions {
1258	cf::sync_job {	1331	cf::sync_job {
1259	my %todo;	1332	my %todo;
1260		1333
1261	for my $path (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
…		…
1280		1353
1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283		1356
1284	$ext{source} =	1357	$ext{source} =
1285	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1286	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1287	. $source	1360	. $source
1288	. "\n};\n1";	1361	. "\n};\n1";
1289		1362
1290	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1306	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1307	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1308		1381
1309	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1310	warn $msg;	1383	warn $msg;
1311	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1312	exit 1;
1313	}	1385	}
1314		1386
1315	warn $msg;	1387	warn $msg;
1316	}	1388	}
1317		1389
…		…
1331		1403
1332	=back	1404	=back
1333		1405
1334	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1335		1407
1336	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1337		1409
1338	=cut	1410	=cut
1339		1411
1340	package cf::player;	1412	package cf::player;
1341		1413
…		…
1384		1456
1385	sub exists($) {	1457	sub exists($) {
1386	my ($login) = @_;	1458	my ($login) = @_;
1387		1459
1388	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1389	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1390	}	1462	}
1391		1463
1392	sub find($) {	1464	sub find($) {
1393	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1394	my $login = $_[0];	1466	my $login = $_[0];
…		…
1406	my $f = new_from_file cf::object::thawer path $login	1478	my $f = new_from_file cf::object::thawer path $login
1407	or return;	1479	or return;
1408		1480
1409	my $pl = cf::player::load_pl $f	1481	my $pl = cf::player::load_pl $f
1410	or return;	1482	or return;
		1483
1411	local $cf::PLAYER_LOADING{$login} = $pl;	1484	local $cf::PLAYER_LOADING{$login} = $pl;
1412	$f->resolve_delayed_derefs;	1485	$f->resolve_delayed_derefs;
1413	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1414	}	1487	}
1415	}	1488	}
…		…
1425		1498
1426	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1427		1500
1428	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1429	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
		1503
		1504	cf::get_slot 0.01;
1430		1505
1431	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1432	cf::cede_to_tick;	1507	cf::cede_to_tick;
1433	}	1508	}
1434		1509
…		…
1466	my ($pl) = @_;	1541	my ($pl) = @_;
1467		1542
1468	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1469		1544
1470	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1471	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1472		1547
1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1474	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1475	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1476	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1477		1554
1478	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1479	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1518		1595
1519	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
1520	my $path = path $login;	1597	my $path = path $login;
1521		1598
1522	# a .pst is a dead give-away for a valid player	1599	# a .pst is a dead give-away for a valid player
1523	unless (-e "$path.pst") {	1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1525	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1526	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
1527	}	1605	}
1528		1606
…		…
1559	}	1637	}
1560		1638
1561	\@paths	1639	\@paths
1562	}	1640	}
1563		1641
1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1565		1643
1566	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1567
1568	=cut
1569
1570	use re 'eval';
1571
1572	my $group;
1573	my $interior; $interior = qr{
1574	# match a pod interior sequence sans C<< >>
1575	(?:
1576	\ (.*?)\ (?{ $group = $^N })
1577	| < (??{$interior}) >
1578	)
1579	}x;
1580
1581	sub expand_cfpod {
1582	my ($self, $pod) = @_;
1583
1584	my $xml;
1585
1586	while () {
1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1588	$group = $1;
1589
1590	$group =~ s/&/&amp;/g;
1591	$group =~ s/</&lt;/g;
1592
1593	$xml .= $group;
1594	} elsif ($pod =~ m%\G
1595	([BCGHITU])
1596	<
1597	(?:
1598	([^<>]*) (?{ $group = $^N })
1599	| < $interior >
1600	)
1601	>
1602	%gcsx
1603	) {
1604	my ($code, $data) = ($1, $group);
1605
1606	if ($code eq "B") {
1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1608	} elsif ($code eq "I") {
1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1610	} elsif ($code eq "U") {
1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1612	} elsif ($code eq "C") {
1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1614	} elsif ($code eq "T") {
1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1616	} elsif ($code eq "G") {
1617	my ($male, $female) = split /\|/, $data;
1618	$data = $self->gender ? $female : $male;
1619	$xml .= expand_cfpod ($self, $data);
1620	} elsif ($code eq "H") {
1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1623	"")
1624	[$self->{hintmode}];
1625	} else {
1626	$xml .= "error processing '$code($data)' directive";
1627	}
1628	} else {
1629	if ($pod =~ /\G(.+)/) {
1630	warn "parse error while expanding $pod (at $1)";
1631	}
1632	last;
1633	}
1634	}
1635
1636	for ($xml) {
1637	# create single paragraphs (very hackish)
1638	s/(?<=\S)\n(?=\w)/ /g;
1639
1640	# compress some whitespace
1641	s/\s+\n/\n/g; # ws line-ends
1642	s/\n\n+/\n/g; # double lines
1643	s/^\n+//; # beginning lines
1644	s/\n+$//; # ending lines
1645	}
1646
1647	$xml
1648	}
1649
1650	no re 'eval';
1651
1652	sub hintmode {
1653	$_[0]{hintmode} = $_[1] if @_ > 1;
1654	$_[0]{hintmode}
1655	}
1656		1645
1657	=item $player->ext_reply ($msgid, @msg)	1646	=item $player->ext_reply ($msgid, @msg)
1658		1647
1659	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1660		1649
…		…
1727	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1728	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1729		1718
1730	sub generate_random_map {	1719	sub generate_random_map {
1731	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1732	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1733	$self->_create_random_map (	1725	$self->_create_random_map (
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1858		1850
1859	# the temporary/swap location	1851	# the temporary/swap location
1860	sub save_path {	1852	sub save_path {
1861	my ($self) = @_;	1853	my ($self) = @_;
1862		1854
1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1864	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1865	}	1857	}
1866		1858
1867	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1868	sub uniq_path {	1860	sub uniq_path {
1869	my ($self) = @_;	1861	my ($self) = @_;
1870		1862
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1873	}
1874
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}	1865	}
1883		1866
1884	sub decay_objects {	1867	sub decay_objects {
1885	my ($self) = @_;	1868	my ($self) = @_;
1886		1869
…		…
1970	sub find {	1953	sub find {
1971	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1972		1955
1973	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1974		1957
1975	cf::lock_wait "map_data:$path";#d#remove	1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1977		1960
1978	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_find:$path";
1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1981
1982	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1983	or return;	1963	or return;
1984		1964
1985	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1986		1966
…		…
1988	or return;	1968	or return;
1989		1969
1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1992	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
1993	undef $guard1;	1974	undef $guard1;
1994	undef $guard2;
1995	$map->reset;	1975	$map->reset;
1996	return find $path;	1976	return find $path;
1997	}	1977	}
1998		1978
1999	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
…		…
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2007	$f->skip_block;
2028	$self->_load_objects ($f)	2008	$self->_load_objects ($f)
2029	or return;	2009	or return;
2030		2010
2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
2032	if delete $self->{load_original};	2012	if delete $self->{load_original};
2033		2013
2034	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2015	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2016	unless (aio_stat $uniq) {
…		…
2054	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2035	$self->decay_objects;
2056	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
2057	$self->update_buttons;	2037	$self->update_buttons;
2058	cf::cede_to_tick;	2038	cf::cede_to_tick;
2059	$self->set_darkness_map;
2060	cf::cede_to_tick;
2061	$self->activate;	2039	$self->activate;
2062	}	2040	}
2063		2041
2064	$self->{last_save} = $cf::RUNTIME;	2042	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2043	$self->last_access ($cf::RUNTIME);
2066		2044
2067	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
2068	}	2046	}
2069		2047
2070	$self->post_load;	2048	$self->post_load;
2071	}	2049	}
2072		2050
…		…
2130	my ($path, $origin, $load) = @_;	2108	my ($path, $origin, $load) = @_;
2131		2109
2132	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
2133		2111
2134	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2136	}	2114	}
2137		2115
2138	$MAP_PREFETCH{$path} |= $load;	2116	$MAP_PREFETCH{$path} |= $load;
2139		2117
2140	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
…		…
2177	cf::async {	2155	cf::async {
2178	$Coro::current->{desc} = "map player save";	2156	$Coro::current->{desc} = "map player save";
2179	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
2180	};	2158	};
2181		2159
		2160	cf::get_slot 0.02;
		2161
2182	if ($uniq) {	2162	if ($uniq) {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2185	} else {	2165	} else {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2194	$self->save;	2174	$self->save;
2195		2175
2196	my $lock = cf::lock_acquire "map_data:$self->{path}";	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
2197		2177
2198	return if $self->players;	2178	return if $self->players;
2199	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
2200	return if $self->{deny_save};	2180	return if $self->{deny_save};
2201		2181
2202	$self->in_memory (cf::MAP_SWAPPED);	2182	$self->in_memory (cf::MAP_SWAPPED);
2203		2183
2204	$self->deactivate;	2184	$self->deactivate;
…		…
2322		2302
2323	sub unique_maps() {	2303	sub unique_maps() {
2324	[	2304	[
2325	map {	2305	map {
2326	utf8::decode $_;	2306	utf8::decode $_;
2327	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2328	? normalise $_	2310	: normalise $_
2329	: ()
2330	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2331	]	2312	]
2332	}	2313	}
2333		2314
2334	package cf;
2335
2336	=back	2315	=back
2337		2316
2338	=head3 cf::object	2317	=head3 cf::object
2339		2318
2340	=cut	2319	=cut
…		…
2343		2322
2344	=over 4	2323	=over 4
2345		2324
2346	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2347		2326
2348	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
2349		2329
2350	=cut	2330	=cut
2351		2331
2352	sub inv_recursive_;	2332	sub inv_recursive_;
2353	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2358	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2359	}	2339	}
2360		2340
2361	=item $ref = $ob->ref	2341	=item $ref = $ob->ref
2362		2342
2363	creates and returns a persistent reference to an objetc that can be stored as a string.	2343	Creates and returns a persistent reference to an object that can be stored as a string.
2364		2344
2365	=item $ob = cf::object::deref ($refstring)	2345	=item $ob = cf::object::deref ($refstring)
2366		2346
2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2368	even if the object actually exists. May block.	2348	even if the object actually exists. May block.
…		…
2400	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
2401	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2402		2382
2403	=cut	2383	=cut
2404		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
		2398
2405	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2406	# with dialog boxes.	2400	# with dialog boxes.
2407	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
2408	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
2409	my ($self, $npc, $msg, $flags) = @_;	2403	my ($self, $npc, $msg, $flags) = @_;
…		…
2420	my $dialog = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422		2416
2423	} else {	2417	} else {
2424	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2425	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426	}	2420	}
2427	}	2421	}
2428	}	2422	}
2429		2423
2430	=item $object->send_msg ($channel, $msg, $color, [extra...])	2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2455		2449
2456	=item $player_object->enter_link	2450	=item $player_object->enter_link
2457		2451
2458	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
2459		2453
2460	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
2461	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
2462		2458
2463	Will never block.	2459	Will never block.
2464		2460
2465	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2466		2462
…		…
2524		2520
2525	$map->load;	2521	$map->load;
2526	$map->load_neighbours;	2522	$map->load_neighbours;
2527		2523
2528	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2529	$self->activate_recursive;	2526	$self->activate_recursive;
2530		2527
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2533	}	2530	}
…		…
2537	Moves the player to the given map-path and coordinates by first freezing	2534	Moves the player to the given map-path and coordinates by first freezing
2538	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2539	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
2540	the new (success) or old (failed) map position. In either case, $done will	2537	the new (success) or old (failed) map position. In either case, $done will
2541	be called at the end of this process.	2538	be called at the end of this process.
		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
2542		2542
2543	=cut	2543	=cut
2544		2544
2545	our $GOTOGEN;	2545	our $GOTOGEN;
2546		2546
…		…
2625	}	2625	}
2626		2626
2627	sub prepare_random_map {	2627	sub prepare_random_map {
2628	my ($exit) = @_;	2628	my ($exit) = @_;
2629		2629
2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2633	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2634	# that depends on the exit object	2632	# that depends on the exit object
2635		2633
2636	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2638	if ($exit->map) {	2636	if ($exit->map) {
2639	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2640	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2641	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2642	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2643	}	2643	}
2644		2644
2645	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2646		2646
2647	my $data = cf::encode_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2649	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2650		2650
2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2653	undef $fh;	2653	undef $fh;
2654	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2655		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2656	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2657	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2658	}	2662	}
2659	}	2663	}
2660		2664
2661	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2662	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2663		2667
2664	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2665		2669
2666	if ($exit->slaying eq "/!") {
2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
2668	# the problem is that $exit might not survive long enough
2669	# so it needs to be done right now, right here
2670	cf::sync_job { prepare_random_map $exit };
2671	}
2672
2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2674	my $hp = $exit->stats->hp;
2675	my $sp = $exit->stats->sp;
2676
2677	$self->enter_link;	2670	$self->enter_link;
2678		2671
2679	# if exit is damned, update players death & WoR home-position
2680	$self->contr->savebed ($slaying, $hp, $sp)
2681	if $exit->flag (FLAG_DAMNED);
2682
2683	(async {	2672	(async {
2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2673	$Coro::current->{desc} = "enter_exit";
2685		2674
2686	$self->deactivate_recursive; # just to be sure
2687	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2688	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2689		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2690	1;	2696	1
2691	}) {	2697	}) {
2692	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2693	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2694	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2695	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2696		2702
2697	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2763	id => "infobox",	2769	id => "infobox",
2764	title => "Body Parts",	2770	title => "Body Parts",
2765	reply => undef,	2771	reply => undef,
2766	tooltip => "Shows which body parts you posess and are available",	2772	tooltip => "Shows which body parts you posess and are available",
2767	},	2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
2768	"c/uptime" => {	2780	"c/uptime" => {
2769	id => "infobox",	2781	id => "infobox",
2770	title => "Uptime",	2782	title => "Uptime",
2771	reply => undef,	2783	reply => undef,
2772	tooltip => "How long the server has been running since last restart",	2784	tooltip => "How long the server has been running since last restart",
…		…
2775	id => "infobox",	2787	id => "infobox",
2776	title => "Map Info",	2788	title => "Map Info",
2777	reply => undef,	2789	reply => undef,
2778	tooltip => "Information related to the maps",	2790	tooltip => "Information related to the maps",
2779	},	2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
2780	);	2800	);
2781		2801
2782	sub cf::client::send_msg {	2802	sub cf::client::send_msg {
2783	my ($self, $channel, $msg, $color, @extra) = @_;	2803	my ($self, $channel, $msg, $color, @extra) = @_;
2784		2804
2785	$msg = $self->pl->expand_cfpod ($msg);	2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
2786		2807
2787	$color &= cf::NDI_CLIENT_MASK; # just in case...	2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
2788		2809
2789	# check predefined channels, for the benefit of C	2810	# check predefined channels, for the benefit of C
2790	if ($CHANNEL{$channel}) {	2811	if ($CHANNEL{$channel}) {
2791	$channel = $CHANNEL{$channel};	2812	$channel = $CHANNEL{$channel};
2792		2813
2793	$self->ext_msg (channel_info => $channel)	2814	$self->ext_msg (channel_info => $channel);
2794	if $self->can_msg;
2795
2796	$channel = $channel->{id};	2815	$channel = $channel->{id};
2797		2816
2798	} elsif (ref $channel) {	2817	} elsif (ref $channel) {
2799	# send meta info to client, if not yet sent	2818	# send meta info to client, if not yet sent
2800	unless (exists $self->{channel}{$channel->{id}}) {	2819	unless (exists $self->{channel}{$channel->{id}}) {
2801	$self->{channel}{$channel->{id}} = $channel;	2820	$self->{channel}{$channel->{id}} = $channel;
2802	$self->ext_msg (channel_info => $channel)	2821	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804	}	2822	}
2805		2823
2806	$channel = $channel->{id};	2824	$channel = $channel->{id};
2807	}	2825	}
2808		2826
2809	return unless @extra || length $msg;	2827	return unless @extra || length $msg;
2810		2828
2811	if ($self->can_msg) {
2812	# default colour, mask it out	2829	# default colour, mask it out
2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2830	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814	if $color & cf::NDI_DEF;	2831	if $color & cf::NDI_DEF;
2815		2832
2816	$self->send_packet ("msg " . $self->{json_coder}->encode (	2833	my $pkt = "msg "
		2834	. $self->{json_coder}->encode (
2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2835	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2818	} else {	2836	);
2819	if ($color >= 0) {
2820	# replace some tags by gcfclient-compatible ones
2821	for ($msg) {
2822	1 while
2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2828	}
2829		2837
2830	$color &= cf::NDI_COLOR_MASK;	2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
2831		2841
2832	utf8::encode $msg;	2842	# split very large packets
2833		2843	if (8192 < length $pkt and $self->{can_lzf}) {
2834	if (0 && $msg =~ /\[/) {	2844	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2835	# COMMAND/INFO	2845	$pkt = "frag";
2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
2837	} else {
2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2839	$self->send_packet ("drawinfo $color $msg")
2840	}
2841	}
2842	}	2846	}
		2847
		2848	$self->send_packet ($pkt);
2843	}	2849	}
2844		2850
2845	=item $client->ext_msg ($type, @msg)	2851	=item $client->ext_msg ($type, @msg)
2846		2852
2847	Sends an ext event to the client.	2853	Sends an ext event to the client.
…		…
3021		3027
3022	The following functions and methods are available within a safe environment:	3028	The following functions and methods are available within a safe environment:
3023		3029
3024	cf::object	3030	cf::object
3025	contr pay_amount pay_player map x y force_find force_add destroy	3031	contr pay_amount pay_player map x y force_find force_add destroy
3026	insert remove name archname title slaying race decrease_ob_nr	3032	insert remove name archname title slaying race decrease split
3027		3033
3028	cf::object::player	3034	cf::object::player
3029	player	3035	player
3030		3036
3031	cf::player	3037	cf::player
…		…
3036		3042
3037	=cut	3043	=cut
3038		3044
3039	for (	3045	for (
3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3046	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041	insert remove inv name archname title slaying race	3047	insert remove inv nrof name archname title slaying race
3042	decrease_ob_nr destroy)],	3048	decrease split destroy change_exp)],
3043	["cf::object::player" => qw(player)],	3049	["cf::object::player" => qw(player)],
3044	["cf::player" => qw(peaceful)],	3050	["cf::player" => qw(peaceful)],
3045	["cf::map" => qw(trigger)],	3051	["cf::map" => qw(trigger)],
3046	) {	3052	) {
3047	no strict 'refs';	3053	no strict 'refs';
…		…
3255	while (my ($k, $v) = each %$want) {	3261	while (my ($k, $v) = each %$want) {
3256	$ns->fx_want ($k, $v);	3262	$ns->fx_want ($k, $v);
3257	}	3263	}
3258	};	3264	};
3259		3265
		3266	sub load_resource_file($) {
		3267	my $guard = lock_acquire "load_resource_file";
		3268
		3269	my $status = load_resource_file_ $_[0];
		3270	get_slot 0.1, 100;
		3271	cf::arch::commit_load;
		3272
		3273	$status
		3274	}
		3275
3260	sub reload_regions {	3276	sub reload_regions {
3261	# HACK to clear player env face cache, we need some signal framework	3277	# HACK to clear player env face cache, we need some signal framework
3262	# for this (global event?)	3278	# for this (global event?)
3263	%ext::player_env::MUSIC_FACE_CACHE = ();	3279	%ext::player_env::MUSIC_FACE_CACHE = ();
3264		3280
…		…
3277	}	3293	}
3278		3294
3279	sub reload_archetypes {	3295	sub reload_archetypes {
3280	load_resource_file "$DATADIR/archetypes"	3296	load_resource_file "$DATADIR/archetypes"
3281	or die "unable to load archetypes\n";	3297	or die "unable to load archetypes\n";
3282	#d# NEED to laod twice to resolve forward references
3283	# this really needs to be done in an extra post-pass
3284	# (which needs to be synchronous, so solve it differently)
3285	load_resource_file "$DATADIR/archetypes"
3286	or die "unable to load archetypes\n";
3287	}	3298	}
3288		3299
3289	sub reload_treasures {	3300	sub reload_treasures {
3290	load_resource_file "$DATADIR/treasures"	3301	load_resource_file "$DATADIR/treasures"
3291	or die "unable to load treasurelists\n";	3302	or die "unable to load treasurelists\n";
3292	}	3303	}
3293		3304
3294	sub reload_resources {	3305	sub reload_resources {
3295	warn "reloading resource files...\n";	3306	warn "reloading resource files...\n";
3296		3307
		3308	reload_facedata;
		3309	reload_archetypes;
3297	reload_regions;	3310	reload_regions;
3298	reload_facedata;
3299	#reload_archetypes;#d#
3300	reload_archetypes;
3301	reload_treasures;	3311	reload_treasures;
3302		3312
3303	warn "finished reloading resource files\n";	3313	warn "finished reloading resource files\n";
3304	}
3305
3306	sub init {
3307	reload_resources;
3308	}	3314	}
3309		3315
3310	sub reload_config {	3316	sub reload_config {
3311	open my $fh, "<:utf8", "$CONFDIR/config"	3317	open my $fh, "<:utf8", "$CONFDIR/config"
3312	or return;	3318	or return;
…		…
3326	};	3332	};
3327	warn $@ if $@;	3333	warn $@ if $@;
3328	}	3334	}
3329	}	3335	}
3330		3336
		3337	sub pidfile() {
		3338	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3339	or die "$PIDFILE: $!";
		3340	flock $fh, &Fcntl::LOCK_EX
		3341	or die "$PIDFILE: flock: $!";
		3342	$fh
		3343	}
		3344
		3345	# make sure only one server instance is running at any one time
		3346	sub atomic {
		3347	my $fh = pidfile;
		3348
		3349	my $pid = <$fh>;
		3350	kill 9, $pid if $pid > 0;
		3351
		3352	seek $fh, 0, 0;
		3353	print $fh $$;
		3354	}
		3355
3331	sub main {	3356	sub main {
		3357	cf::init_globals; # initialise logging
		3358
		3359	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3360	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3361	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3362	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3363
		3364	cf::init_experience;
		3365	cf::init_anim;
		3366	cf::init_attackmess;
		3367	cf::init_dynamic;
		3368
		3369	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3370
3332	# we must not ever block the main coroutine	3371	# we must not ever block the main coroutine
3333	local $Coro::idle = sub {	3372	local $Coro::idle = sub {
3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3335	(async {	3374	(async {
3336	$Coro::current->{desc} = "IDLE BUG HANDLER";	3375	$Coro::current->{desc} = "IDLE BUG HANDLER";
3337	EV::loop EV::LOOP_ONESHOT;	3376	EV::loop EV::LOOP_ONESHOT;
3338	})->prio (Coro::PRIO_MAX);	3377	})->prio (Coro::PRIO_MAX);
3339	};	3378	};
3340		3379
		3380	evthread_start IO::AIO::poll_fileno;
		3381
		3382	cf::sync_job {
		3383	reload_resources;
3341	reload_config;	3384	reload_config;
3342	db_init;	3385	db_init;
		3386
		3387	cf::load_settings;
		3388	cf::load_materials;
		3389	cf::init_uuid;
		3390	cf::init_signals;
		3391	cf::init_commands;
		3392	cf::init_skills;
		3393
		3394	cf::init_beforeplay;
		3395
		3396	atomic;
		3397
3343	load_extensions;	3398	load_extensions;
3344		3399
3345	$TICK_WATCHER->start;	3400	utime time, time, $RUNTIMEFILE;
3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3401
		3402	# no (long-running) fork's whatsoever before this point(!)
		3403	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3404
		3405	(pop @POST_INIT)->(0) while @POST_INIT;
		3406	};
		3407
3347	EV::loop;	3408	EV::loop;
3348	}	3409	}
3349		3410
3350	#############################################################################	3411	#############################################################################
3351	# initialisation and cleanup	3412	# initialisation and cleanup
…		…
3358	cf::cleanup "SIG$signal";	3419	cf::cleanup "SIG$signal";
3359	};	3420	};
3360	}	3421	}
3361	}	3422	}
3362		3423
3363	sub write_runtime {	3424	sub write_runtime_sync {
3364	my $runtime = "$LOCALDIR/runtime";
3365
3366	# first touch the runtime file to show we are still running:	3425	# first touch the runtime file to show we are still running:
3367	# the fsync below can take a very very long time.	3426	# the fsync below can take a very very long time.
3368		3427
3369	IO::AIO::aio_utime $runtime, undef, undef;	3428	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370		3429
3371	my $guard = cf::lock_acquire "write_runtime";	3430	my $guard = cf::lock_acquire "write_runtime";
3372		3431
3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3432	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3374	or return;	3433	or return;
3375		3434
3376	my $value = $cf::RUNTIME + 90 + 10;	3435	my $value = $cf::RUNTIME + 90 + 10;
3377	# 10 is the runtime save interval, for a monotonic clock	3436	# 10 is the runtime save interval, for a monotonic clock
3378	# 60 allows for the watchdog to kill the server.	3437	# 60 allows for the watchdog to kill the server.
…		…
3388	aio_utime $fh, undef, undef;	3447	aio_utime $fh, undef, undef;
3389		3448
3390	close $fh	3449	close $fh
3391	or return;	3450	or return;
3392		3451
3393	aio_rename "$runtime~", $runtime	3452	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394	and return;	3453	and return;
3395		3454
3396	warn "runtime file written.\n";	3455	warn "runtime file written.\n";
3397		3456
3398	1	3457	1
		3458	}
		3459
		3460	our $uuid_lock;
		3461	our $uuid_skip;
		3462
		3463	sub write_uuid_sync($) {
		3464	$uuid_skip ||= $_[0];
		3465
		3466	return if $uuid_lock;
		3467	local $uuid_lock = 1;
		3468
		3469	my $uuid = "$LOCALDIR/uuid";
		3470
		3471	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = uuid_seq uuid_cur;
		3475
		3476	unless ($value) {
		3477	warn "cowardly refusing to write zero uuid value!\n";
		3478	return;
		3479	}
		3480
		3481	my $value = uuid_str $value + $uuid_skip;
		3482	$uuid_skip = 0;
		3483
		3484	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3485	and return;
		3486
		3487	# always fsync - this file is important
		3488	aio_fsync $fh
		3489	and return;
		3490
		3491	close $fh
		3492	or return;
		3493
		3494	aio_rename "$uuid~", $uuid
		3495	and return;
		3496
		3497	warn "uuid file written ($value).\n";
		3498
		3499	1
		3500
		3501	}
		3502
		3503	sub write_uuid($$) {
		3504	my ($skip, $sync) = @_;
		3505
		3506	$sync ? write_uuid_sync $skip
		3507	: async { write_uuid_sync $skip };
3399	}	3508	}
3400		3509
3401	sub emergency_save() {	3510	sub emergency_save() {
3402	my $freeze_guard = cf::freeze_mainloop;	3511	my $freeze_guard = cf::freeze_mainloop;
3403		3512
3404	warn "enter emergency perl save\n";	3513	warn "emergency_perl_save: enter\n";
3405		3514
3406	cf::sync_job {	3515	cf::sync_job {
		3516	# this is a trade-off: we want to be very quick here, so
		3517	# save all maps without fsync, and later call a global sync
		3518	# (which in turn might be very very slow)
		3519	local $USE_FSYNC = 0;
		3520
3407	# use a peculiar iteration method to avoid tripping on perl	3521	# use a peculiar iteration method to avoid tripping on perl
3408	# refcount bugs in for. also avoids problems with players	3522	# refcount bugs in for. also avoids problems with players
3409	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
3410	warn "begin emergency player save\n";	3524	warn "emergency_perl_save: begin player save\n";
3411	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
3412	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
3413	$pl->valid or next;	3527	$pl->valid or next;
3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415	$pl->save;	3529	$pl->save;
3416	}	3530	}
3417	warn "end emergency player save\n";	3531	warn "emergency_perl_save: end player save\n";
3418		3532
3419	warn "begin emergency map save\n";	3533	warn "emergency_perl_save: begin map save\n";
3420	for my $path (keys %cf::MAP) {	3534	for my $path (keys %cf::MAP) {
3421	my $map = $cf::MAP{$path} or next;	3535	my $map = $cf::MAP{$path} or next;
3422	$map->valid or next;	3536	$map->valid or next;
3423	$map->save;	3537	$map->save;
3424	}	3538	}
3425	warn "end emergency map save\n";	3539	warn "emergency_perl_save: end map save\n";
3426		3540
3427	warn "begin emergency database checkpoint\n";	3541	warn "emergency_perl_save: begin database checkpoint\n";
3428	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
3429	warn "end emergency database checkpoint\n";	3543	warn "emergency_perl_save: end database checkpoint\n";
		3544
		3545	warn "emergency_perl_save: begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "emergency_perl_save: end write uuid\n";
3430	};	3548	};
3431		3549
		3550	warn "emergency_perl_save: starting sync()\n";
		3551	IO::AIO::aio_sync sub {
		3552	warn "emergency_perl_save: finished sync()\n";
		3553	};
		3554
3432	warn "leave emergency perl save\n";	3555	warn "emergency_perl_save: leave\n";
3433	}	3556	}
3434		3557
3435	sub post_cleanup {	3558	sub post_cleanup {
3436	my ($make_core) = @_;	3559	my ($make_core) = @_;
3437		3560
3438	warn Carp::longmess "post_cleanup backtrace"	3561	warn Carp::longmess "post_cleanup backtrace"
3439	if $make_core;	3562	if $make_core;
		3563
		3564	my $fh = pidfile;
		3565	unlink $PIDFILE if <$fh> == $$;
		3566	}
		3567
		3568	# a safer delete_package, copied from Symbol
		3569	sub clear_package($) {
		3570	my $pkg = shift;
		3571
		3572	# expand to full symbol table name if needed
		3573	unless ($pkg =~ /^main::.*::$/) {
		3574	$pkg = "main$pkg" if $pkg =~ /^::/;
		3575	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3576	$pkg .= '::' unless $pkg =~ /::$/;
		3577	}
		3578
		3579	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3580	my $stem_symtab = *{$stem}{HASH};
		3581
		3582	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3583	or return;
		3584
		3585	# clear all symbols
		3586	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3587	for my $name (keys %$leaf_symtab) {
		3588	_gv_clear *{"$pkg$name"};
		3589	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3590	}
		3591	warn "cleared package $pkg\n";#d#
3440	}	3592	}
3441		3593
3442	sub do_reload_perl() {	3594	sub do_reload_perl() {
3443	# can/must only be called in main	3595	# can/must only be called in main
3444	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
3445	warn "can only reload from main coroutine";	3597	warn "can only reload from main coroutine";
3446	return;	3598	return;
3447	}	3599	}
3448		3600
		3601	return if $RELOAD++;
		3602
		3603	my $t1 = EV::time;
		3604
		3605	while ($RELOAD) {
3449	warn "reloading...";	3606	warn "reloading...";
3450		3607
3451	warn "entering sync_job";	3608	warn "entering sync_job";
3452		3609
3453	cf::sync_job {	3610	cf::sync_job {
3454	cf::write_runtime; # external watchdog should not bark	3611	cf::write_runtime_sync; # external watchdog should not bark
3455	cf::emergency_save;	3612	cf::emergency_save;
3456	cf::write_runtime; # external watchdog should not bark	3613	cf::write_runtime_sync; # external watchdog should not bark
3457		3614
3458	warn "syncing database to disk";	3615	warn "syncing database to disk";
3459	BDB::db_env_txn_checkpoint $DB_ENV;	3616	BDB::db_env_txn_checkpoint $DB_ENV;
3460		3617
3461	# if anything goes wrong in here, we should simply crash as we already saved	3618	# if anything goes wrong in here, we should simply crash as we already saved
3462		3619
3463	warn "flushing outstanding aio requests";	3620	warn "flushing outstanding aio requests";
3464	for (;;) {
3465	BDB::flush;
3466	IO::AIO::flush;
3467	Coro::cede_notself;
3468	last unless IO::AIO::nreqs || BDB::nreqs;	3621	while (IO::AIO::nreqs || BDB::nreqs) {
3469	warn "iterate...";	3622	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3470	}
3471
3472	++$RELOAD;
3473
3474	warn "cancelling all extension coros";
3475	$_->cancel for values %EXT_CORO;
3476	%EXT_CORO = ();
3477
3478	warn "removing commands";
3479	%COMMAND = ();
3480
3481	warn "removing ext/exti commands";
3482	%EXTCMD = ();
3483	%EXTICMD = ();
3484
3485	warn "unloading/nuking all extensions";
3486	for my $pkg (@EXTS) {
3487	warn "... unloading $pkg";
3488
3489	if (my $cb = $pkg->can ("unload")) {
3490	eval {
3491	$cb->($pkg);
3492	1
3493	} or warn "$pkg unloaded, but with errors: $@";
3494	}	3623	}
3495		3624
3496	warn "... nuking $pkg";	3625	warn "cancelling all extension coros";
3497	Symbol::delete_package $pkg;	3626	$_->cancel for values %EXT_CORO;
3498	}	3627	%EXT_CORO = ();
3499		3628
3500	warn "unloading all perl modules loaded from $LIBDIR";	3629	warn "removing commands";
3501	while (my ($k, $v) = each %INC) {	3630	%COMMAND = ();
3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503		3631
		3632	warn "removing ext/exti commands";
		3633	%EXTCMD = ();
		3634	%EXTICMD = ();
		3635
		3636	warn "unloading/nuking all extensions";
		3637	for my $pkg (@EXTS) {
3504	warn "... unloading $k";	3638	warn "... unloading $pkg";
3505	delete $INC{$k};
3506		3639
3507	$k =~ s/\.pm$//;
3508	$k =~ s/\//::/g;
3509
3510	if (my $cb = $k->can ("unload_module")) {	3640	if (my $cb = $pkg->can ("unload")) {
		3641	eval {
3511	$cb->();	3642	$cb->($pkg);
		3643	1
		3644	} or warn "$pkg unloaded, but with errors: $@";
		3645	}
		3646
		3647	warn "... clearing $pkg";
		3648	clear_package $pkg;
3512	}	3649	}
3513		3650
3514	Symbol::delete_package $k;	3651	warn "unloading all perl modules loaded from $LIBDIR";
		3652	while (my ($k, $v) = each %INC) {
		3653	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3654
		3655	warn "... unloading $k";
		3656	delete $INC{$k};
		3657
		3658	$k =~ s/\.pm$//;
		3659	$k =~ s/\//::/g;
		3660
		3661	if (my $cb = $k->can ("unload_module")) {
		3662	$cb->();
		3663	}
		3664
		3665	clear_package $k;
3515	}	3666	}
3516		3667
3517	warn "getting rid of safe::, as good as possible";	3668	warn "getting rid of safe::, as good as possible";
3518	Symbol::delete_package "safe::$_"	3669	clear_package "safe::$_"
3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3670	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520		3671
3521	warn "unloading cf.pm \"a bit\"";	3672	warn "unloading cf.pm \"a bit\"";
3522	delete $INC{"cf.pm"};	3673	delete $INC{"cf.pm"};
3523	delete $INC{"cf/pod.pm"};	3674	delete $INC{"cf/pod.pm"};
3524		3675
3525	# don't, removes xs symbols, too,	3676	# don't, removes xs symbols, too,
3526	# and global variables created in xs	3677	# and global variables created in xs
3527	#Symbol::delete_package __PACKAGE__;	3678	#clear_package __PACKAGE__;
3528		3679
3529	warn "unload completed, starting to reload now";	3680	warn "unload completed, starting to reload now";
3530		3681
3531	warn "reloading cf.pm";	3682	warn "reloading cf.pm";
3532	require cf;	3683	require cf;
3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3684	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3534		3685
3535	warn "loading config and database again";	3686	warn "loading config and database again";
3536	cf::reload_config;	3687	cf::reload_config;
3537		3688
3538	warn "loading extensions";	3689	warn "loading extensions";
3539	cf::load_extensions;	3690	cf::load_extensions;
3540		3691
		3692	if ($REATTACH_ON_RELOAD) {
3541	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
3542	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
3543	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
3544	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
3545	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
3546	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
		3699	}
3547		3700
		3701	warn "running post_init jobs";
		3702	(pop @POST_INIT)->(1) while @POST_INIT;
		3703
3548	warn "leaving sync_job";	3704	warn "leaving sync_job";
3549		3705
3550	1	3706	1
3551	} or do {	3707	} or do {
3552	warn $@;	3708	warn $@;
3553	warn "error while reloading, exiting.";	3709	cf::cleanup "error while reloading, exiting.";
3554	exit 1;
3555	};	3710	};
3556		3711
3557	warn "reloaded";	3712	warn "reloaded";
		3713	--$RELOAD;
		3714	}
		3715
		3716	$t1 = EV::time - $t1;
		3717	warn "reload completed in ${t1}s\n";
3558	};	3718	};
3559		3719
3560	our $RELOAD_WATCHER; # used only during reload	3720	our $RELOAD_WATCHER; # used only during reload
3561		3721
3562	sub reload_perl() {	3722	sub reload_perl() {
3563	# doing reload synchronously and two reloads happen back-to-back,	3723	# doing reload synchronously and two reloads happen back-to-back,
3564	# coro crashes during coro_state_free->destroy here.	3724	# coro crashes during coro_state_free->destroy here.
3565		3725
		3726	$RELOAD_WATCHER ||= cf::async {
		3727	Coro::AIO::aio_wait cache_extensions;
		3728
3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3729	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3730	do_reload_perl;
3567	undef $RELOAD_WATCHER;	3731	undef $RELOAD_WATCHER;
3568	do_reload_perl;	3732	};
3569	};	3733	};
3570	}	3734	}
3571		3735
3572	register_command "reload" => sub {	3736	register_command "reload" => sub {
3573	my ($who, $arg) = @_;	3737	my ($who, $arg) = @_;
…		…
3587		3751
3588	our @WAIT_FOR_TICK;	3752	our @WAIT_FOR_TICK;
3589	our @WAIT_FOR_TICK_BEGIN;	3753	our @WAIT_FOR_TICK_BEGIN;
3590		3754
3591	sub wait_for_tick {	3755	sub wait_for_tick {
3592	return unless $TICK_WATCHER->is_active;
3593	return if $Coro::current == $Coro::main;	3756	return if tick_inhibit || $Coro::current == $Coro::main;
3594		3757
3595	my $signal = new Coro::Signal;	3758	my $signal = new Coro::Signal;
3596	push @WAIT_FOR_TICK, $signal;	3759	push @WAIT_FOR_TICK, $signal;
3597	$signal->wait;	3760	$signal->wait;
3598	}	3761	}
3599		3762
3600	sub wait_for_tick_begin {	3763	sub wait_for_tick_begin {
3601	return unless $TICK_WATCHER->is_active;
3602	return if $Coro::current == $Coro::main;	3764	return if tick_inhibit || $Coro::current == $Coro::main;
3603		3765
3604	my $signal = new Coro::Signal;	3766	my $signal = new Coro::Signal;
3605	push @WAIT_FOR_TICK_BEGIN, $signal;	3767	push @WAIT_FOR_TICK_BEGIN, $signal;
3606	$signal->wait;	3768	$signal->wait;
3607	}	3769	}
3608		3770
3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3771	sub tick {
3610	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3773	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612	unless ++$bug_warning > 10;	3774	unless ++$bug_warning > 10;
3613	return;	3775	return;
3614	}	3776	}
3615		3777
3616	$NOW = $tick_start = EV::now;
3617
3618	cf::server_tick; # one server iteration	3778	cf::server_tick; # one server iteration
3619
3620	$RUNTIME += $TICK;
3621	$NEXT_TICK = $_[0]->at;
3622		3779
3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3780	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3781	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625	Coro::async_pool {	3782	Coro::async_pool {
3626	$Coro::current->{desc} = "runtime saver";	3783	$Coro::current->{desc} = "runtime saver";
3627	write_runtime	3784	write_runtime_sync
3628	or warn "ERROR: unable to write runtime file: $!";	3785	or warn "ERROR: unable to write runtime file: $!";
3629	};	3786	};
3630	}	3787	}
3631		3788
3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3789	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3634	}	3791	}
3635	while (my $sig = shift @WAIT_FOR_TICK) {	3792	while (my $sig = shift @WAIT_FOR_TICK) {
3636	$sig->send;	3793	$sig->send;
3637	}	3794	}
3638		3795
3639	$LOAD = ($NOW - $tick_start) / $TICK;	3796	$LOAD = ($NOW - $TICK_START) / $TICK;
3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3797	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641		3798
3642	_post_tick;	3799	if (0) {
3643	};	3800	if ($NEXT_TICK) {
3644	$TICK_WATCHER->priority (EV::MAXPRI);	3801	my $jitter = $TICK_START - $NEXT_TICK;
		3802	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3803	warn "jitter $JITTER\n";#d#
		3804	}
		3805	}
		3806	}
3645		3807
3646	{	3808	{
3647	# configure BDB	3809	# configure BDB
3648		3810
3649	BDB::min_parallel 8;	3811	BDB::min_parallel 8;
3650	BDB::max_poll_reqs $TICK * 0.1;	3812	BDB::max_poll_reqs $TICK * 0.1;
3651	$Coro::BDB::WATCHER->priority (1);	3813	$AnyEvent::BDB::WATCHER->priority (1);
3652		3814
3653	unless ($DB_ENV) {	3815	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	3816	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3817	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	3818	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3819	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3820	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3821	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		3822
3660	cf::sync_job {	3823	cf::sync_job {
3661	eval {	3824	eval {
…		…
3687	{	3850	{
3688	# configure IO::AIO	3851	# configure IO::AIO
3689		3852
3690	IO::AIO::min_parallel 8;	3853	IO::AIO::min_parallel 8;
3691	IO::AIO::max_poll_time $TICK * 0.1;	3854	IO::AIO::max_poll_time $TICK * 0.1;
3692	$Coro::AIO::WATCHER->priority (1);	3855	undef $AnyEvent::AIO::WATCHER;
3693	}	3856	}
3694		3857
3695	my $_log_backtrace;	3858	my $_log_backtrace;
3696		3859
3697	sub _log_backtrace {	3860	sub _log_backtrace {
…		…
3700	$msg =~ s/\n//;	3863	$msg =~ s/\n//;
3701		3864
3702	# limit the # of concurrent backtraces	3865	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	3866	if ($_log_backtrace < 2) {
3704	++$_log_backtrace;	3867	++$_log_backtrace;
		3868	my $perl_bt = Carp::longmess $msg;
3705	async {	3869	async {
3706	$Coro::current->{desc} = "abt $msg";	3870	$Coro::current->{desc} = "abt $msg";
3707		3871
3708	my @bt = fork_call {	3872	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	3873	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	3884	}
3721		3885
3722	@funcs	3886	@funcs
3723	};	3887	};
3724		3888
3725	LOG llevInfo, "[ABT] $msg\n";	3889	LOG llevInfo, "[ABT] $perl_bt\n";
		3890	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	3891	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	3892	--$_log_backtrace;
3728	};	3893	};
3729	} else {	3894	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	3895	LOG llevInfo, "[ABT] $msg\n";

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