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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.407 by root, Sun Jan 13 09:53:53 2008 UTC vs.
Revision 1.459 by root, Sat Dec 13 21:46:12 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::Syck ();	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	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
74	our %RESOURCE;	105	our %RESOURCE;
75		106
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	109	our $NEXT_TICK;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		111
83	our $BDB_POLL_WATCHER;
84	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	115	our $DB_ENV;
88		116
…		…
99	# 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 ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		129
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		138
106	binmode STDOUT;	139	binmode STDOUT;
107	binmode STDERR;	140	binmode STDERR;
108		141
109	# read virtual server time, if available	142	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
114	}	147	}
115		148
116	mkdir $_	149	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
195	LOG llevError, $msg;	228	LOG llevError, $msg;
196	};	229	};
197	}	230	}
198		231
199	$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
200	warn Carp::longmess $_[0];	241	warn Carp::longmess $_[0];
201	Coro::terminate;	242	Coro::terminate
202	};	243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
203		246
204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
214	for my $pkg (qw(	257	for my $pkg (qw(
215	cf::global cf::attachable	258	cf::global cf::attachable
216	cf::object cf::object::player	259	cf::object cf::object::player
217	cf::client cf::player	260	cf::client cf::player
218	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
219	cf::map cf::party cf::region	263	cf::party cf::region
220	)) {	264	)) {
221	no strict 'refs';
222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
223	}	266	}
224		267
225	$EV::DIED = sub {	268	$EV::DIED = sub {
226	warn "error in event callback: @_";	269	warn "error in event callback: @_";
…		…
268	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
269		312
270	sub encode_json($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
271	sub decode_json($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
272		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
273	=item cf::lock_wait $string	330	=item cf::lock_wait $string
274		331
275	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
276		333
277	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
278		335
279	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
280	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,
281	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
282	returned.	339	returned.
283		340
284	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
285	deadlocked coro.	342	deadlocked coro.
…		…
291		348
292	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.
293		350
294	=cut	351	=cut
295		352
296	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
297	our %LOCKER;#d#
298		354
299	sub lock_wait($) {	355	sub lock_wait($) {
300	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
301
302	if ($LOCKER{$key} == $Coro::current) {#d#
303	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
304	return;#d#
305	}#d#
306
307	# wait for lock, if any
308	while ($LOCK{$key}) {
309	push @{ $LOCK{$key} }, $Coro::current;
310	Coro::schedule;
311	}
312	}	357	}
313		358
314	sub lock_acquire($) {	359	sub lock_acquire($) {
315	my ($key) = @_;	360	$LOCKS->guard ($_[0])
316
317	# wait, to be sure we are not locked
318	lock_wait $key;
319
320	$LOCK{$key} = [];
321	$LOCKER{$key} = $Coro::current;#d#
322
323	Coro::guard {
324	delete $LOCKER{$key};#d#
325	# wake up all waiters, to be on the safe side
326	$_->ready for @{ delete $LOCK{$key} };
327	}
328	}	361	}
329		362
330	sub lock_active($) {	363	sub lock_active($) {
331	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
332
333	! ! $LOCK{$key}
334	}	365	}
335		366
336	sub freeze_mainloop {	367	sub freeze_mainloop {
337	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
338		369
339	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
340	$TICK_WATCHER->start;
341	};
342	$TICK_WATCHER->stop;
343	$guard
344	}	371	}
345		372
346	=item cf::periodic $interval, $cb	373	=item cf::periodic $interval, $cb
347		374
348	Like EV::periodic, but randomly selects a starting point so that the actions	375	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
403	}	430	}
404	}	431	}
405	};	432	};
406		433
407	sub get_slot($;$$) {	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
408	my ($time, $pri, $name) = @_;	437	my ($time, $pri, $name) = @_;
409		438
410	$time = $TICK * .6 if $time > $TICK * .6;	439	$time = $TICK * .6 if $time > $TICK * .6;
411	my $sig = new Coro::Signal;	440	my $sig = new Coro::Signal;
412		441
…		…
449	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
450	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
451		480
452	LOG llevError, Carp::longmess "sync job";#d#	481	LOG llevError, Carp::longmess "sync job";#d#
453		482
454	# TODO: use suspend/resume instead
455	# (but this is cancel-safe)
456	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
457		484
458	my $busy = 1;	485	my $busy = 1;
459	my @res;	486	my @res;
460		487
…		…
471	} else {	498	} else {
472	EV::loop EV::LOOP_ONESHOT;	499	EV::loop EV::LOOP_ONESHOT;
473	}	500	}
474	}	501	}
475		502
476	$time = EV::time - $time;	503	my $time = EV::time - $time;
477		504
478	LOG llevError | logBacktrace, Carp::longmess "long sync job"
479	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
480
481	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
482		506
483	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
484	} else {	508	} else {
485	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
486		510
…		…
528	reset_signals;	552	reset_signals;
529	&$cb	553	&$cb
530	}, @args;	554	}, @args;
531		555
532	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
533	}	584	}
534		585
535	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
536		587
537	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
676		727
677	#############################################################################	728	#############################################################################
678		729
679	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
680		731
681	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
682	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")
683	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
684		735
685	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>
686	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
…		…
736	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
737		788
738	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
739	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
740		791
741	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
742	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
743		794
744	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
745		796
746	=over 4	797	=over 4
…		…
1037		1088
1038	sub reattach {	1089	sub reattach {
1039	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
1040	my ($obj) = @_;	1091	my ($obj) = @_;
1041		1092
		1093	# no longer needed after getting rid of delete_package?
1042	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
1043		1095
1044	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
1045		1097
1046	@$registry = ();	1098	@$registry = ();
1047		1099
…		…
1093	utf8::decode (my $decname = $filename);	1145	utf8::decode (my $decname = $filename);
1094	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1095	$decname, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1096		1148
1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1098	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1100	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1101	close $fh;	1153	aio_close $fh;
1102		1154
1103	if (@$objs) {	1155	if (@$objs) {
1104	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) {
1105	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1107	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1108	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1109	close $fh;	1161	aio_close $fh;
1110	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1111	}	1163	}
1112	} else {	1164	} else {
1113	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1114	}	1166	}
1115		1167
1116	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1117	} else {	1172	} else {
1118	warn "FATAL: $filename~: $!\n";	1173	warn "FATAL: $filename~: $!\n";
1119	}	1174	}
1120	} else {	1175	} else {
1121	aio_unlink $filename;	1176	aio_unlink $filename;
…		…
1214	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1215		1270
1216	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1217	}	1272	}
1218		1273
		1274	use File::Glob ();
		1275
1219	cf::player->attach (	1276	cf::player->attach (
1220	on_command => sub {	1277	on_command => sub {
1221	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1222		1279
1223	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1255		1312
1256	cf::override;	1313	cf::override;
1257	},	1314	},
1258	);	1315	);
1259		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
1260	sub load_extensions {	1330	sub load_extensions {
1261	cf::sync_job {	1331	cf::sync_job {
1262	my %todo;	1332	my %todo;
1263		1333
1264	for my $path (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
…		…
1283		1353
1284	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1285	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1286		1356
1287	$ext{source} =	1357	$ext{source} =
1288	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1289	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1290	. $source	1360	. $source
1291	. "\n};\n1";	1361	. "\n};\n1";
1292		1362
1293	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1309	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1310	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1311		1381
1312	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1313	warn $msg;	1383	warn $msg;
1314	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1315	exit 1;
1316	}	1385	}
1317		1386
1318	warn $msg;	1387	warn $msg;
1319	}	1388	}
1320		1389
…		…
1334		1403
1335	=back	1404	=back
1336		1405
1337	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1338		1407
1339	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1340		1409
1341	=cut	1410	=cut
1342		1411
1343	package cf::player;	1412	package cf::player;
1344		1413
…		…
1387		1456
1388	sub exists($) {	1457	sub exists($) {
1389	my ($login) = @_;	1458	my ($login) = @_;
1390		1459
1391	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1392	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1393	}	1462	}
1394		1463
1395	sub find($) {	1464	sub find($) {
1396	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1397	my $login = $_[0];	1466	my $login = $_[0];
…		…
1409	my $f = new_from_file cf::object::thawer path $login	1478	my $f = new_from_file cf::object::thawer path $login
1410	or return;	1479	or return;
1411		1480
1412	my $pl = cf::player::load_pl $f	1481	my $pl = cf::player::load_pl $f
1413	or return;	1482	or return;
		1483
1414	local $cf::PLAYER_LOADING{$login} = $pl;	1484	local $cf::PLAYER_LOADING{$login} = $pl;
1415	$f->resolve_delayed_derefs;	1485	$f->resolve_delayed_derefs;
1416	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1417	}	1487	}
1418	}	1488	}
…		…
1428		1498
1429	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1430		1500
1431	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1432	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
		1503
		1504	cf::get_slot 0.01;
1433		1505
1434	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1435	cf::cede_to_tick;	1507	cf::cede_to_tick;
1436	}	1508	}
1437		1509
…		…
1469	my ($pl) = @_;	1541	my ($pl) = @_;
1470		1542
1471	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1472		1544
1473	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1474	$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
1475		1547
1476	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1477	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1478	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1479	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1480		1554
1481	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1482	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1521		1595
1522	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
1523	my $path = path $login;	1597	my $path = path $login;
1524		1598
1525	# a .pst is a dead give-away for a valid player	1599	# a .pst is a dead give-away for a valid player
1526	unless (-e "$path.pst") {	1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1528	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1529	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
1530	}	1605	}
1531		1606
…		…
1562	}	1637	}
1563		1638
1564	\@paths	1639	\@paths
1565	}	1640	}
1566		1641
1567	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1568		1643
1569	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1570
1571	=cut
1572
1573	use re 'eval';
1574
1575	my $group;
1576	my $interior; $interior = qr{
1577	# match a pod interior sequence sans C<< >>
1578	(?:
1579	\ (.*?)\ (?{ $group = $^N })
1580	| < (??{$interior}) >
1581	)
1582	}x;
1583
1584	sub expand_cfpod {
1585	my ($self, $pod) = @_;
1586
1587	my $xml;
1588
1589	while () {
1590	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1591	$group = $1;
1592
1593	$group =~ s/&/&amp;/g;
1594	$group =~ s/</&lt;/g;
1595
1596	$xml .= $group;
1597	} elsif ($pod =~ m%\G
1598	([BCGHITU])
1599	<
1600	(?:
1601	([^<>]*) (?{ $group = $^N })
1602	| < $interior >
1603	)
1604	>
1605	%gcsx
1606	) {
1607	my ($code, $data) = ($1, $group);
1608
1609	if ($code eq "B") {
1610	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1611	} elsif ($code eq "I") {
1612	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1613	} elsif ($code eq "U") {
1614	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1615	} elsif ($code eq "C") {
1616	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1617	} elsif ($code eq "T") {
1618	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1619	} elsif ($code eq "G") {
1620	my ($male, $female) = split /\|/, $data;
1621	$data = $self->gender ? $female : $male;
1622	$xml .= expand_cfpod ($self, $data);
1623	} elsif ($code eq "H") {
1624	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1625	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1626	"")
1627	[$self->{hintmode}];
1628	} else {
1629	$xml .= "error processing '$code($data)' directive";
1630	}
1631	} else {
1632	if ($pod =~ /\G(.+)/) {
1633	warn "parse error while expanding $pod (at $1)";
1634	}
1635	last;
1636	}
1637	}
1638
1639	for ($xml) {
1640	# create single paragraphs (very hackish)
1641	s/(?<=\S)\n(?=\w)/ /g;
1642
1643	# compress some whitespace
1644	s/\s+\n/\n/g; # ws line-ends
1645	s/\n\n+/\n/g; # double lines
1646	s/^\n+//; # beginning lines
1647	s/\n+$//; # ending lines
1648	}
1649
1650	$xml
1651	}
1652
1653	no re 'eval';
1654
1655	sub hintmode {
1656	$_[0]{hintmode} = $_[1] if @_ > 1;
1657	$_[0]{hintmode}
1658	}
1659		1645
1660	=item $player->ext_reply ($msgid, @msg)	1646	=item $player->ext_reply ($msgid, @msg)
1661		1647
1662	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1663		1649
…		…
1730	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1731	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1732		1718
1733	sub generate_random_map {	1719	sub generate_random_map {
1734	my ($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
1735	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1736	$self->_create_random_map (	1725	$self->_create_random_map (
1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1861		1850
1862	# the temporary/swap location	1851	# the temporary/swap location
1863	sub save_path {	1852	sub save_path {
1864	my ($self) = @_;	1853	my ($self) = @_;
1865		1854
1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1867	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1868	}	1857	}
1869		1858
1870	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1871	sub uniq_path {	1860	sub uniq_path {
1872	my ($self) = @_;	1861	my ($self) = @_;
1873		1862
1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1875	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1876	}	1865	}
1877		1866
1878	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1879	# all maps in C++...	1868	# all maps in C++...
…		…
1973	sub find {	1962	sub find {
1974	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1975		1964
1976	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1977		1966
1978	cf::lock_wait "map_data:$path";#d#remove	1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1979	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1980		1969
1981	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1982	my $guard1 = cf::lock_acquire "map_find:$path";
1983	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1984
1985	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1986	or return;	1972	or return;
1987		1973
1988	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1989		1975
…		…
1991	or return;	1977	or return;
1992		1978
1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1994	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1995	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
1996	undef $guard1;	1983	undef $guard1;
1997	undef $guard2;
1998	$map->reset;	1984	$map->reset;
1999	return find $path;	1985	return find $path;
2000	}	1986	}
2001		1987
2002	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
…		…
2029	my $f = new_from_file cf::object::thawer $self->{load_path};	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
2030	$f->skip_block;	2016	$f->skip_block;
2031	$self->_load_objects ($f)	2017	$self->_load_objects ($f)
2032	or return;	2018	or return;
2033		2019
2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
2035	if delete $self->{load_original};	2021	if delete $self->{load_original};
2036		2022
2037	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
2038	utf8::encode $uniq;	2024	utf8::encode $uniq;
2039	unless (aio_stat $uniq) {	2025	unless (aio_stat $uniq) {
…		…
2065	}	2051	}
2066		2052
2067	$self->{last_save} = $cf::RUNTIME;	2053	$self->{last_save} = $cf::RUNTIME;
2068	$self->last_access ($cf::RUNTIME);	2054	$self->last_access ($cf::RUNTIME);
2069		2055
2070	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
2071	}	2057	}
2072		2058
2073	$self->post_load;	2059	$self->post_load;
2074	}	2060	}
2075		2061
…		…
2133	my ($path, $origin, $load) = @_;	2119	my ($path, $origin, $load) = @_;
2134		2120
2135	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
2136		2122
2137	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2139	}	2125	}
2140		2126
2141	$MAP_PREFETCH{$path} |= $load;	2127	$MAP_PREFETCH{$path} |= $load;
2142		2128
2143	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
…		…
2180	cf::async {	2166	cf::async {
2181	$Coro::current->{desc} = "map player save";	2167	$Coro::current->{desc} = "map player save";
2182	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
2183	};	2169	};
2184		2170
		2171	cf::get_slot 0.02;
		2172
2185	if ($uniq) {	2173	if ($uniq) {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2187	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2188	} else {	2176	} else {
2189	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2197	$self->save;	2185	$self->save;
2198		2186
2199	my $lock = cf::lock_acquire "map_data:$self->{path}";	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
2200		2188
2201	return if $self->players;	2189	return if $self->players;
2202	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
2203	return if $self->{deny_save};	2191	return if $self->{deny_save};
2204		2192
2205	$self->in_memory (cf::MAP_SWAPPED);	2193	$self->in_memory (cf::MAP_SWAPPED);
2206		2194
2207	$self->deactivate;	2195	$self->deactivate;
…		…
2325		2313
2326	sub unique_maps() {	2314	sub unique_maps() {
2327	[	2315	[
2328	map {	2316	map {
2329	utf8::decode $_;	2317	utf8::decode $_;
2330	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2331	? normalise $_	2321	: normalise $_
2332	: ()
2333	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2334	]	2323	]
2335	}	2324	}
2336		2325
2337	package cf;
2338
2339	=back	2326	=back
2340		2327
2341	=head3 cf::object	2328	=head3 cf::object
2342		2329
2343	=cut	2330	=cut
…		…
2346		2333
2347	=over 4	2334	=over 4
2348		2335
2349	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2350		2337
2351	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
2352		2340
2353	=cut	2341	=cut
2354		2342
2355	sub inv_recursive_;	2343	sub inv_recursive_;
2356	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2361	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2362	}	2350	}
2363		2351
2364	=item $ref = $ob->ref	2352	=item $ref = $ob->ref
2365		2353
2366	creates and returns a persistent reference to an objetc that can be stored as a string.	2354	Creates and returns a persistent reference to an object that can be stored as a string.
2367		2355
2368	=item $ob = cf::object::deref ($refstring)	2356	=item $ob = cf::object::deref ($refstring)
2369		2357
2370	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2371	even if the object actually exists. May block.	2359	even if the object actually exists. May block.
…		…
2403	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
2404	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2405		2393
2406	=cut	2394	=cut
2407		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
		2409
2408	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2409	# with dialog boxes.	2411	# with dialog boxes.
2410	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
2411	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
2412	my ($self, $npc, $msg, $flags) = @_;	2414	my ($self, $npc, $msg, $flags) = @_;
…		…
2423	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2424	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2425		2427
2426	} else {	2428	} else {
2427	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2428	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2429	}	2431	}
2430	}	2432	}
2431	}	2433	}
2432		2434
2433	=item $object->send_msg ($channel, $msg, $color, [extra...])	2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2458		2460
2459	=item $player_object->enter_link	2461	=item $player_object->enter_link
2460		2462
2461	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
2462		2464
2463	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
2464	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
2465		2469
2466	Will never block.	2470	Will never block.
2467		2471
2468	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2469		2473
…		…
2527		2531
2528	$map->load;	2532	$map->load;
2529	$map->load_neighbours;	2533	$map->load_neighbours;
2530		2534
2531	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2532	$self->activate_recursive;	2537	$self->activate_recursive;
2533		2538
2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2535	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
2536	}	2541	}
…		…
2540	Moves the player to the given map-path and coordinates by first freezing	2545	Moves the player to the given map-path and coordinates by first freezing
2541	her, loading and preparing them map, calling the provided $check callback	2546	her, loading and preparing them map, calling the provided $check callback
2542	that has to return the map if sucecssful, and then unfreezes the player on	2547	that has to return the map if sucecssful, and then unfreezes the player on
2543	the new (success) or old (failed) map position. In either case, $done will	2548	the new (success) or old (failed) map position. In either case, $done will
2544	be called at the end of this process.	2549	be called at the end of this process.
		2550
		2551	Note that $check will be called with a potentially non-loaded map, so if
		2552	it needs a loaded map it has to call C<< ->load >>.
2545		2553
2546	=cut	2554	=cut
2547		2555
2548	our $GOTOGEN;	2556	our $GOTOGEN;
2549		2557
…		…
2628	}	2636	}
2629		2637
2630	sub prepare_random_map {	2638	sub prepare_random_map {
2631	my ($exit) = @_;	2639	my ($exit) = @_;
2632		2640
2633	my $guard = cf::lock_acquire "exit_prepare:$exit";
2634
2635	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
2636	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
2637	# that depends on the exit object	2643	# that depends on the exit object
2638		2644
2639	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
2641	if ($exit->map) {	2647	if ($exit->map) {
2642	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
2643	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
2644	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
2645	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
2646	}	2654	}
2647		2655
2648	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
2649		2657
2650	my $data = cf::encode_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2651	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
2652	my $meta = "$RANDOMDIR/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
2653		2661
2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2655	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
2656	undef $fh;	2664	undef $fh;
2657	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
2658		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
2659	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
2660	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
2661	}	2673	}
2662	}	2674	}
2663		2675
2664	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2665	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2666		2678
2667	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2668		2680
2669	if ($exit->slaying eq "/!") {
2670	#TODO: this should de-fi-ni-te-ly not be a sync-job
2671	# the problem is that $exit might not survive long enough
2672	# so it needs to be done right now, right here
2673	cf::sync_job { prepare_random_map $exit };
2674	}
2675
2676	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2677	my $hp = $exit->stats->hp;
2678	my $sp = $exit->stats->sp;
2679
2680	$self->enter_link;	2681	$self->enter_link;
2681		2682
2682	# if exit is damned, update players death & WoR home-position
2683	$self->contr->savebed ($slaying, $hp, $sp)
2684	if $exit->flag (FLAG_DAMNED);
2685
2686	(async {	2683	(async {
2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2684	$Coro::current->{desc} = "enter_exit";
2688		2685
2689	$self->deactivate_recursive; # just to be sure
2690	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
2691	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2692		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
2693	1;	2707	1
2694	}) {	2708	}) {
2695	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2696	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
2697	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2698	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
2699		2713
2700	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2766	id => "infobox",	2780	id => "infobox",
2767	title => "Body Parts",	2781	title => "Body Parts",
2768	reply => undef,	2782	reply => undef,
2769	tooltip => "Shows which body parts you posess and are available",	2783	tooltip => "Shows which body parts you posess and are available",
2770	},	2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
2771	"c/uptime" => {	2791	"c/uptime" => {
2772	id => "infobox",	2792	id => "infobox",
2773	title => "Uptime",	2793	title => "Uptime",
2774	reply => undef,	2794	reply => undef,
2775	tooltip => "How long the server has been running since last restart",	2795	tooltip => "How long the server has been running since last restart",
…		…
2778	id => "infobox",	2798	id => "infobox",
2779	title => "Map Info",	2799	title => "Map Info",
2780	reply => undef,	2800	reply => undef,
2781	tooltip => "Information related to the maps",	2801	tooltip => "Information related to the maps",
2782	},	2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
2783	);	2809	);
2784		2810
2785	sub cf::client::send_msg {	2811	sub cf::client::send_msg {
2786	my ($self, $channel, $msg, $color, @extra) = @_;	2812	my ($self, $channel, $msg, $color, @extra) = @_;
2787		2813
2788	$msg = $self->pl->expand_cfpod ($msg);	2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
2789		2816
2790	$color &= cf::NDI_CLIENT_MASK; # just in case...	2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
2791		2818
2792	# check predefined channels, for the benefit of C	2819	# check predefined channels, for the benefit of C
2793	if ($CHANNEL{$channel}) {	2820	if ($CHANNEL{$channel}) {
…		…
2814	if ($self->can_msg) {	2841	if ($self->can_msg) {
2815	# default colour, mask it out	2842	# default colour, mask it out
2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2817	if $color & cf::NDI_DEF;	2844	if $color & cf::NDI_DEF;
2818		2845
2819	$self->send_packet ("msg " . $self->{json_coder}->encode (	2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
2821	} else {	2862	} else {
2822	if ($color >= 0) {	2863	if ($color >= 0) {
2823	# replace some tags by gcfclient-compatible ones	2864	# replace some tags by gcfclient-compatible ones
2824	for ($msg) {	2865	for ($msg) {
2825	1 while	2866	1 while
…		…
3024		3065
3025	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
3026		3067
3027	cf::object	3068	cf::object
3028	contr pay_amount pay_player map x y force_find force_add destroy	3069	contr pay_amount pay_player map x y force_find force_add destroy
3029	insert remove name archname title slaying race decrease_ob_nr	3070	insert remove name archname title slaying race decrease split
3030		3071
3031	cf::object::player	3072	cf::object::player
3032	player	3073	player
3033		3074
3034	cf::player	3075	cf::player
…		…
3039		3080
3040	=cut	3081	=cut
3041		3082
3042	for (	3083	for (
3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3044	insert remove inv name archname title slaying race	3085	insert remove inv nrof name archname title slaying race
3045	decrease_ob_nr destroy)],	3086	decrease split destroy change_exp)],
3046	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
3047	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
3048	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
3049	) {	3090	) {
3050	no strict 'refs';	3091	no strict 'refs';
…		…
3258	while (my ($k, $v) = each %$want) {	3299	while (my ($k, $v) = each %$want) {
3259	$ns->fx_want ($k, $v);	3300	$ns->fx_want ($k, $v);
3260	}	3301	}
3261	};	3302	};
3262		3303
		3304	sub load_resource_file($) {
		3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
3263	sub reload_regions {	3314	sub reload_regions {
3264	# HACK to clear player env face cache, we need some signal framework	3315	# HACK to clear player env face cache, we need some signal framework
3265	# for this (global event?)	3316	# for this (global event?)
3266	%ext::player_env::MUSIC_FACE_CACHE = ();	3317	%ext::player_env::MUSIC_FACE_CACHE = ();
3267		3318
…		…
3280	}	3331	}
3281		3332
3282	sub reload_archetypes {	3333	sub reload_archetypes {
3283	load_resource_file "$DATADIR/archetypes"	3334	load_resource_file "$DATADIR/archetypes"
3284	or die "unable to load archetypes\n";	3335	or die "unable to load archetypes\n";
3285	#d# NEED to laod twice to resolve forward references
3286	# this really needs to be done in an extra post-pass
3287	# (which needs to be synchronous, so solve it differently)
3288	load_resource_file "$DATADIR/archetypes"
3289	or die "unable to load archetypes\n";
3290	}	3336	}
3291		3337
3292	sub reload_treasures {	3338	sub reload_treasures {
3293	load_resource_file "$DATADIR/treasures"	3339	load_resource_file "$DATADIR/treasures"
3294	or die "unable to load treasurelists\n";	3340	or die "unable to load treasurelists\n";
3295	}	3341	}
3296		3342
3297	sub reload_resources {	3343	sub reload_resources {
3298	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
3299		3345
		3346	reload_facedata;
		3347	reload_archetypes;
3300	reload_regions;	3348	reload_regions;
3301	reload_facedata;
3302	#reload_archetypes;#d#
3303	reload_archetypes;
3304	reload_treasures;	3349	reload_treasures;
3305		3350
3306	warn "finished reloading resource files\n";	3351	warn "finished reloading resource files\n";
3307	}
3308
3309	sub init {
3310	reload_resources;
3311	}	3352	}
3312		3353
3313	sub reload_config {	3354	sub reload_config {
3314	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
3315	or return;	3356	or return;
3316		3357
3317	local $/;	3358	local $/;
3318	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
3319		3360
3320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3321		3362
3322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3329	};	3370	};
3330	warn $@ if $@;	3371	warn $@ if $@;
3331	}	3372	}
3332	}	3373	}
3333		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
3334	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
3335	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
3336	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3338	(async {	3413	(async {
3339	$Coro::current->{desc} = "IDLE BUG HANDLER";	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
3340	EV::loop EV::LOOP_ONESHOT;	3415	EV::loop EV::LOOP_ONESHOT;
3341	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
3342	};	3417	};
3343		3418
		3419	evthread_start IO::AIO::poll_fileno;
		3420
		3421	cf::sync_job {
		3422	reload_resources;
3344	reload_config;	3423	reload_config;
3345	db_init;	3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
3346	load_extensions;	3437	load_extensions;
3347		3438
3348	$TICK_WATCHER->start;	3439	utime time, time, $RUNTIMEFILE;
3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
3350	EV::loop;	3447	EV::loop;
3351	}	3448	}
3352		3449
3353	#############################################################################	3450	#############################################################################
3354	# initialisation and cleanup	3451	# initialisation and cleanup
…		…
3361	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
3362	};	3459	};
3363	}	3460	}
3364	}	3461	}
3365		3462
3366	sub write_runtime {	3463	sub write_runtime_sync {
3367	my $runtime = "$LOCALDIR/runtime";
3368
3369	# first touch the runtime file to show we are still running:	3464	# first touch the runtime file to show we are still running:
3370	# the fsync below can take a very very long time.	3465	# the fsync below can take a very very long time.
3371		3466
3372	IO::AIO::aio_utime $runtime, undef, undef;	3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3373		3468
3374	my $guard = cf::lock_acquire "write_runtime";	3469	my $guard = cf::lock_acquire "write_runtime";
3375		3470
3376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3377	or return;	3472	or return;
3378		3473
3379	my $value = $cf::RUNTIME + 90 + 10;	3474	my $value = $cf::RUNTIME + 90 + 10;
3380	# 10 is the runtime save interval, for a monotonic clock	3475	# 10 is the runtime save interval, for a monotonic clock
3381	# 60 allows for the watchdog to kill the server.	3476	# 60 allows for the watchdog to kill the server.
…		…
3391	aio_utime $fh, undef, undef;	3486	aio_utime $fh, undef, undef;
3392		3487
3393	close $fh	3488	close $fh
3394	or return;	3489	or return;
3395		3490
3396	aio_rename "$runtime~", $runtime	3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3397	and return;	3492	and return;
3398		3493
3399	warn "runtime file written.\n";	3494	warn "runtime file written.\n";
3400		3495
3401	1	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
3402	}	3547	}
3403		3548
3404	sub emergency_save() {	3549	sub emergency_save() {
3405	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
3406		3551
3407	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
3408		3553
3409	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
3410	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
3411	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
3412	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
3413	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
3414	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
3415	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
3416	$pl->valid or next;	3566	$pl->valid or next;
3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3418	$pl->save;	3568	$pl->save;
3419	}	3569	}
3420	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
3421		3571
3422	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
3423	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
3424	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
3425	$map->valid or next;	3575	$map->valid or next;
3426	$map->save;	3576	$map->save;
3427	}	3577	}
3428	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
3429		3579
3430	warn "begin emergency database checkpoint\n";	3580	warn "emergency_perl_save: begin database checkpoint\n";
3431	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
3432	warn "end emergency database checkpoint\n";	3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
3433	};	3587	};
3434		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
3435	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
3436	}	3595	}
3437		3596
3438	sub post_cleanup {	3597	sub post_cleanup {
3439	my ($make_core) = @_;	3598	my ($make_core) = @_;
3440		3599
3441	warn Carp::longmess "post_cleanup backtrace"	3600	warn Carp::longmess "post_cleanup backtrace"
3442	if $make_core;	3601	if $make_core;
		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
3443	}	3631	}
3444		3632
3445	sub do_reload_perl() {	3633	sub do_reload_perl() {
3446	# can/must only be called in main	3634	# can/must only be called in main
3447	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
3448	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
3449	return;	3637	return;
3450	}	3638	}
3451		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
3452	warn "reloading...";	3645	warn "reloading...";
3453		3646
3454	warn "entering sync_job";	3647	warn "entering sync_job";
3455		3648
3456	cf::sync_job {	3649	cf::sync_job {
3457	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
3458	cf::emergency_save;	3651	cf::emergency_save;
3459	cf::write_runtime; # external watchdog should not bark	3652	cf::write_runtime_sync; # external watchdog should not bark
3460		3653
3461	warn "syncing database to disk";	3654	warn "syncing database to disk";
3462	BDB::db_env_txn_checkpoint $DB_ENV;	3655	BDB::db_env_txn_checkpoint $DB_ENV;
3463		3656
3464	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
3465		3658
3466	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
3467	for (;;) {
3468	BDB::flush;
3469	IO::AIO::flush;
3470	Coro::cede_notself;
3471	last unless IO::AIO::nreqs || BDB::nreqs;	3660	while (IO::AIO::nreqs || BDB::nreqs) {
3472	warn "iterate...";	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3473	}
3474
3475	++$RELOAD;
3476
3477	warn "cancelling all extension coros";
3478	$_->cancel for values %EXT_CORO;
3479	%EXT_CORO = ();
3480
3481	warn "removing commands";
3482	%COMMAND = ();
3483
3484	warn "removing ext/exti commands";
3485	%EXTCMD = ();
3486	%EXTICMD = ();
3487
3488	warn "unloading/nuking all extensions";
3489	for my $pkg (@EXTS) {
3490	warn "... unloading $pkg";
3491
3492	if (my $cb = $pkg->can ("unload")) {
3493	eval {
3494	$cb->($pkg);
3495	1
3496	} or warn "$pkg unloaded, but with errors: $@";
3497	}	3662	}
3498		3663
3499	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
3500	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
3501	}	3666	%EXT_CORO = ();
3502		3667
3503	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
3504	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
3505	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3506		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
3507	warn "... unloading $k";	3677	warn "... unloading $pkg";
3508	delete $INC{$k};
3509		3678
3510	$k =~ s/\.pm$//;
3511	$k =~ s/\//::/g;
3512
3513	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
3514	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
3515	}	3688	}
3516		3689
3517	Symbol::delete_package $k;	3690	warn "unloading all perl modules loaded from $LIBDIR";
		3691	while (my ($k, $v) = each %INC) {
		3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
3518	}	3705	}
3519		3706
3520	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
3521	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
3522	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3523		3710
3524	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
3525	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
3526	delete $INC{"cf/pod.pm"};	3713	delete $INC{"cf/pod.pm"};
3527		3714
3528	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
3529	# and global variables created in xs	3716	# and global variables created in xs
3530	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
3531		3718
3532	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
3533		3720
3534	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
3535	require cf;	3722	require cf;
3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3537		3724
3538	warn "loading config and database again";	3725	warn "loading config and database again";
3539	cf::reload_config;	3726	cf::reload_config;
3540		3727
3541	warn "loading extensions";	3728	warn "loading extensions";
3542	cf::load_extensions;	3729	cf::load_extensions;
3543		3730
		3731	if ($REATTACH_ON_RELOAD) {
3544	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
3545	_global_reattach; # objects, sockets	3733	_global_reattach; # objects, sockets
3546	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
3547	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
3548	warn "reattaching attachments to players";	3736	warn "reattaching attachments to players";
3549	reattach $_ for values %PLAYER;	3737	reattach $_ for values %PLAYER;
		3738	}
3550		3739
		3740	warn "running post_init jobs";
		3741	(pop @POST_INIT)->(1) while @POST_INIT;
		3742
3551	warn "leaving sync_job";	3743	warn "leaving sync_job";
3552		3744
3553	1	3745	1
3554	} or do {	3746	} or do {
3555	warn $@;	3747	warn $@;
3556	warn "error while reloading, exiting.";	3748	cf::cleanup "error while reloading, exiting.";
3557	exit 1;
3558	};	3749	};
3559		3750
3560	warn "reloaded";	3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
3561	};	3757	};
3562		3758
3563	our $RELOAD_WATCHER; # used only during reload	3759	our $RELOAD_WATCHER; # used only during reload
3564		3760
3565	sub reload_perl() {	3761	sub reload_perl() {
3566	# doing reload synchronously and two reloads happen back-to-back,	3762	# doing reload synchronously and two reloads happen back-to-back,
3567	# coro crashes during coro_state_free->destroy here.	3763	# coro crashes during coro_state_free->destroy here.
3568		3764
		3765	$RELOAD_WATCHER ||= cf::async {
		3766	Coro::AIO::aio_wait cache_extensions;
		3767
3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3769	do_reload_perl;
3570	undef $RELOAD_WATCHER;	3770	undef $RELOAD_WATCHER;
3571	do_reload_perl;	3771	};
3572	};	3772	};
3573	}	3773	}
3574		3774
3575	register_command "reload" => sub {	3775	register_command "reload" => sub {
3576	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
…		…
3590		3790
3591	our @WAIT_FOR_TICK;	3791	our @WAIT_FOR_TICK;
3592	our @WAIT_FOR_TICK_BEGIN;	3792	our @WAIT_FOR_TICK_BEGIN;
3593		3793
3594	sub wait_for_tick {	3794	sub wait_for_tick {
3595	return unless $TICK_WATCHER->is_active;
3596	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
3597		3796
3598	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
3599	push @WAIT_FOR_TICK, $signal;	3798	push @WAIT_FOR_TICK, $signal;
3600	$signal->wait;	3799	$signal->wait;
3601	}	3800	}
3602		3801
3603	sub wait_for_tick_begin {	3802	sub wait_for_tick_begin {
3604	return unless $TICK_WATCHER->is_active;
3605	return if $Coro::current == $Coro::main;	3803	return if tick_inhibit || $Coro::current == $Coro::main;
3606		3804
3607	my $signal = new Coro::Signal;	3805	my $signal = new Coro::Signal;
3608	push @WAIT_FOR_TICK_BEGIN, $signal;	3806	push @WAIT_FOR_TICK_BEGIN, $signal;
3609	$signal->wait;	3807	$signal->wait;
3610	}	3808	}
3611		3809
3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3810	sub tick {
3613	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3615	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
3616	return;	3814	return;
3617	}	3815	}
3618		3816
3619	$NOW = $tick_start = EV::now;
3620
3621	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
3622
3623	$RUNTIME += $TICK;
3624	$NEXT_TICK = $_[0]->at;
3625		3818
3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3628	Coro::async_pool {	3821	Coro::async_pool {
3629	$Coro::current->{desc} = "runtime saver";	3822	$Coro::current->{desc} = "runtime saver";
3630	write_runtime	3823	write_runtime_sync
3631	or warn "ERROR: unable to write runtime file: $!";	3824	or warn "ERROR: unable to write runtime file: $!";
3632	};	3825	};
3633	}	3826	}
3634		3827
3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3637	}	3830	}
3638	while (my $sig = shift @WAIT_FOR_TICK) {	3831	while (my $sig = shift @WAIT_FOR_TICK) {
3639	$sig->send;	3832	$sig->send;
3640	}	3833	}
3641		3834
3642	$LOAD = ($NOW - $tick_start) / $TICK;	3835	$LOAD = ($NOW - $TICK_START) / $TICK;
3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3644		3837
3645	_post_tick;	3838	if (0) {
3646	};	3839	if ($NEXT_TICK) {
3647	$TICK_WATCHER->priority (EV::MAXPRI);	3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
		3843	}
		3844	}
		3845	}
3648		3846
3649	{	3847	{
3650	# configure BDB	3848	# configure BDB
3651		3849
3652	BDB::min_parallel 8;	3850	BDB::min_parallel 8;
3653	BDB::max_poll_reqs $TICK * 0.1;	3851	BDB::max_poll_reqs $TICK * 0.1;
3654	$Coro::BDB::WATCHER->priority (1);	3852	$AnyEvent::BDB::WATCHER->priority (1);
3655		3853
3656	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
3657	$DB_ENV = BDB::db_env_create;	3855	$DB_ENV = BDB::db_env_create;
3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3659	| BDB::LOG_AUTOREMOVE, 1);	3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3662		3861
3663	cf::sync_job {	3862	cf::sync_job {
3664	eval {	3863	eval {
…		…
3690	{	3889	{
3691	# configure IO::AIO	3890	# configure IO::AIO
3692		3891
3693	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
3694	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
3695	$Coro::AIO::WATCHER->priority (1);	3894	undef $AnyEvent::AIO::WATCHER;
3696	}	3895	}
3697		3896
3698	my $_log_backtrace;	3897	my $_log_backtrace;
3699		3898
3700	sub _log_backtrace {	3899	sub _log_backtrace {
…		…
3703	$msg =~ s/\n//;	3902	$msg =~ s/\n//;
3704		3903
3705	# limit the # of concurrent backtraces	3904	# limit the # of concurrent backtraces
3706	if ($_log_backtrace < 2) {	3905	if ($_log_backtrace < 2) {
3707	++$_log_backtrace;	3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
3708	async {	3908	async {
3709	$Coro::current->{desc} = "abt $msg";	3909	$Coro::current->{desc} = "abt $msg";
3710		3910
3711	my @bt = fork_call {	3911	my @bt = fork_call {
3712	@addr = map { sprintf "%x", $_ } @addr;	3912	@addr = map { sprintf "%x", $_ } @addr;
…		…
3723	}	3923	}
3724		3924
3725	@funcs	3925	@funcs
3726	};	3926	};
3727		3927
3728	LOG llevInfo, "[ABT] $msg\n";	3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3729	LOG llevInfo, "[ABT] $_\n" for @bt;	3930	LOG llevInfo, "[ABT] $_\n" for @bt;
3730	--$_log_backtrace;	3931	--$_log_backtrace;
3731	};	3932	};
3732	} else {	3933	} else {
3733	LOG llevInfo, "[ABT] $msg\n";	3934	LOG llevInfo, "[ABT] $msg\n";

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