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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 1.461 by root, Fri Dec 19 22:47:29 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	}	1865	}
1874		1866
1875	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1876	# all maps in C++...	1868	# all maps in C++...
…		…
1970	sub find {	1962	sub find {
1971	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1972		1964
1973	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1974		1966
1975	cf::lock_wait "map_data:$path";#d#remove	1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1977		1969
1978	$cf::MAP{$path} || do {	1970	$cf::MAP{$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	1971	my $map = new_from_path cf::map $path
1983	or return;	1972	or return;
1984		1973
1985	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1986		1975
…		…
1988	or return;	1977	or return;
1989		1978
1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1992	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
1993	undef $guard1;	1983	undef $guard1;
1994	undef $guard2;
1995	$map->reset;	1984	$map->reset;
1996	return find $path;	1985	return find $path;
1997	}	1986	}
1998		1987
1999	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
…		…
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2016	$f->skip_block;
2028	$self->_load_objects ($f)	2017	$self->_load_objects ($f)
2029	or return;	2018	or return;
2030		2019
2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
2032	if delete $self->{load_original};	2021	if delete $self->{load_original};
2033		2022
2034	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2024	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2025	unless (aio_stat $uniq) {
…		…
2062	}	2051	}
2063		2052
2064	$self->{last_save} = $cf::RUNTIME;	2053	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2054	$self->last_access ($cf::RUNTIME);
2066		2055
2067	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
2068	}	2057	}
2069		2058
2070	$self->post_load;	2059	$self->post_load;
2071	}	2060	}
2072		2061
…		…
2130	my ($path, $origin, $load) = @_;	2119	my ($path, $origin, $load) = @_;
2131		2120
2132	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
2133		2122
2134	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2136	}	2125	}
2137		2126
2138	$MAP_PREFETCH{$path} |= $load;	2127	$MAP_PREFETCH{$path} |= $load;
2139		2128
2140	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
…		…
2177	cf::async {	2166	cf::async {
2178	$Coro::current->{desc} = "map player save";	2167	$Coro::current->{desc} = "map player save";
2179	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
2180	};	2169	};
2181		2170
		2171	cf::get_slot 0.02;
		2172
2182	if ($uniq) {	2173	if ($uniq) {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2185	} else {	2176	} else {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2194	$self->save;	2185	$self->save;
2195		2186
2196	my $lock = cf::lock_acquire "map_data:$self->{path}";	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
2197		2188
2198	return if $self->players;	2189	return if $self->players;
2199	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
2200	return if $self->{deny_save};	2191	return if $self->{deny_save};
2201		2192
2202	$self->in_memory (cf::MAP_SWAPPED);	2193	$self->in_memory (cf::MAP_SWAPPED);
2203		2194
2204	$self->deactivate;	2195	$self->deactivate;
…		…
2322		2313
2323	sub unique_maps() {	2314	sub unique_maps() {
2324	[	2315	[
2325	map {	2316	map {
2326	utf8::decode $_;	2317	utf8::decode $_;
2327	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2328	? normalise $_	2321	: normalise $_
2329	: ()
2330	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2331	]	2323	]
2332	}	2324	}
2333		2325
2334	package cf;
2335
2336	=back	2326	=back
2337		2327
2338	=head3 cf::object	2328	=head3 cf::object
2339		2329
2340	=cut	2330	=cut
…		…
2343		2333
2344	=over 4	2334	=over 4
2345		2335
2346	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2347		2337
2348	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.
2349		2340
2350	=cut	2341	=cut
2351		2342
2352	sub inv_recursive_;	2343	sub inv_recursive_;
2353	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2358	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2359	}	2350	}
2360		2351
2361	=item $ref = $ob->ref	2352	=item $ref = $ob->ref
2362		2353
2363	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.
2364		2355
2365	=item $ob = cf::object::deref ($refstring)	2356	=item $ob = cf::object::deref ($refstring)
2366		2357
2367	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,
2368	even if the object actually exists. May block.	2359	even if the object actually exists. May block.
…		…
2400	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
2401	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2402		2393
2403	=cut	2394	=cut
2404		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
2405	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2406	# with dialog boxes.	2411	# with dialog boxes.
2407	#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
2408	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
2409	my ($self, $npc, $msg, $flags) = @_;	2414	my ($self, $npc, $msg, $flags) = @_;
…		…
2420	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422		2427
2423	} else {	2428	} else {
2424	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2425	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426	}	2431	}
2427	}	2432	}
2428	}	2433	}
2429		2434
2430	=item $object->send_msg ($channel, $msg, $color, [extra...])	2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2455		2460
2456	=item $player_object->enter_link	2461	=item $player_object->enter_link
2457		2462
2458	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}>).
2459		2464
2460	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.
2461	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.
2462		2469
2463	Will never block.	2470	Will never block.
2464		2471
2465	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2466		2473
…		…
2524		2531
2525	$map->load;	2532	$map->load;
2526	$map->load_neighbours;	2533	$map->load_neighbours;
2527		2534
2528	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2529	$self->activate_recursive;	2537	$self->activate_recursive;
2530		2538
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
2533	}	2541	}
…		…
2537	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
2538	her, loading and preparing them map, calling the provided $check callback	2546	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	2547	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	2548	the new (success) or old (failed) map position. In either case, $done will
2541	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 >>.
2542		2553
2543	=cut	2554	=cut
2544		2555
2545	our $GOTOGEN;	2556	our $GOTOGEN;
2546		2557
…		…
2625	}	2636	}
2626		2637
2627	sub prepare_random_map {	2638	sub prepare_random_map {
2628	my ($exit) = @_;	2639	my ($exit) = @_;
2629		2640
2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
2633	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
2634	# that depends on the exit object	2643	# that depends on the exit object
2635		2644
2636	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
2638	if ($exit->map) {	2647	if ($exit->map) {
2639	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
2640	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
2641	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
2642	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
2643	}	2654	}
2644		2655
2645	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
2646		2657
2647	my $data = cf::encode_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
2649	my $meta = "$RANDOMDIR/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
2650		2661
2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
2653	undef $fh;	2664	undef $fh;
2654	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
2655		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
2656	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
2657	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
2658	}	2673	}
2659	}	2674	}
2660		2675
2661	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2662	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2663		2678
2664	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2665		2680
2666	if ($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;	2681	$self->enter_link;
2678		2682
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 {	2683	(async {
2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2684	$Coro::current->{desc} = "enter_exit";
2685		2685
2686	$self->deactivate_recursive; # just to be sure
2687	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
2688	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2689		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
2690	1;	2707	1
2691	}) {	2708	}) {
2692	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2693	. "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. "
2694	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2695	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
2696		2713
2697	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2763	id => "infobox",	2780	id => "infobox",
2764	title => "Body Parts",	2781	title => "Body Parts",
2765	reply => undef,	2782	reply => undef,
2766	tooltip => "Shows which body parts you posess and are available",	2783	tooltip => "Shows which body parts you posess and are available",
2767	},	2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
2768	"c/uptime" => {	2791	"c/uptime" => {
2769	id => "infobox",	2792	id => "infobox",
2770	title => "Uptime",	2793	title => "Uptime",
2771	reply => undef,	2794	reply => undef,
2772	tooltip => "How long the server has been running since last restart",	2795	tooltip => "How long the server has been running since last restart",
…		…
2775	id => "infobox",	2798	id => "infobox",
2776	title => "Map Info",	2799	title => "Map Info",
2777	reply => undef,	2800	reply => undef,
2778	tooltip => "Information related to the maps",	2801	tooltip => "Information related to the maps",
2779	},	2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
2780	);	2809	);
2781		2810
2782	sub cf::client::send_msg {	2811	sub cf::client::send_msg {
2783	my ($self, $channel, $msg, $color, @extra) = @_;	2812	my ($self, $channel, $msg, $color, @extra) = @_;
2784		2813
2785	$msg = $self->pl->expand_cfpod ($msg);	2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
2786		2816
2787	$color &= cf::NDI_CLIENT_MASK; # just in case...	2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
2788		2818
2789	# check predefined channels, for the benefit of C	2819	# check predefined channels, for the benefit of C
2790	if ($CHANNEL{$channel}) {	2820	if ($CHANNEL{$channel}) {
…		…
2811	if ($self->can_msg) {	2841	if ($self->can_msg) {
2812	# default colour, mask it out	2842	# default colour, mask it out
2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814	if $color & cf::NDI_DEF;	2844	if $color & cf::NDI_DEF;
2815		2845
2816	$self->send_packet ("msg " . $self->{json_coder}->encode (	2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
2817	[$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);
2818	} else {	2862	} else {
2819	if ($color >= 0) {	2863	if ($color >= 0) {
2820	# replace some tags by gcfclient-compatible ones	2864	# replace some tags by gcfclient-compatible ones
2821	for ($msg) {	2865	for ($msg) {
2822	1 while	2866	1 while
…		…
3021		3065
3022	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
3023		3067
3024	cf::object	3068	cf::object
3025	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
3026	insert remove name archname title slaying race decrease_ob_nr	3070	insert remove name archname title slaying race decrease split
3027		3071
3028	cf::object::player	3072	cf::object::player
3029	player	3073	player
3030		3074
3031	cf::player	3075	cf::player
…		…
3036		3080
3037	=cut	3081	=cut
3038		3082
3039	for (	3083	for (
3040	["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
3041	insert remove inv name archname title slaying race	3085	insert remove inv nrof name archname title slaying race
3042	decrease_ob_nr destroy)],	3086	decrease split destroy change_exp)],
3043	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
3044	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
3045	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
3046	) {	3090	) {
3047	no strict 'refs';	3091	no strict 'refs';
…		…
3255	while (my ($k, $v) = each %$want) {	3299	while (my ($k, $v) = each %$want) {
3256	$ns->fx_want ($k, $v);	3300	$ns->fx_want ($k, $v);
3257	}	3301	}
3258	};	3302	};
3259		3303
		3304	sub load_resource_file($) {
		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	$status
		3312	}
		3313
3260	sub reload_regions {	3314	sub reload_regions {
3261	# HACK to clear player env face cache, we need some signal framework	3315	# HACK to clear player env face cache, we need some signal framework
3262	# for this (global event?)	3316	# for this (global event?)
3263	%ext::player_env::MUSIC_FACE_CACHE = ();	3317	%ext::player_env::MUSIC_FACE_CACHE = ();
3264		3318
…		…
3277	}	3331	}
3278		3332
3279	sub reload_archetypes {	3333	sub reload_archetypes {
3280	load_resource_file "$DATADIR/archetypes"	3334	load_resource_file "$DATADIR/archetypes"
3281	or die "unable to load archetypes\n";	3335	or die "unable to load archetypes\n";
3282	#d# NEED to laod twice to resolve forward references
3283	# this really needs to be done in an extra post-pass
3284	# (which needs to be synchronous, so solve it differently)
3285	load_resource_file "$DATADIR/archetypes"
3286	or die "unable to load archetypes\n";
3287	}	3336	}
3288		3337
3289	sub reload_treasures {	3338	sub reload_treasures {
3290	load_resource_file "$DATADIR/treasures"	3339	load_resource_file "$DATADIR/treasures"
3291	or die "unable to load treasurelists\n";	3340	or die "unable to load treasurelists\n";
3292	}	3341	}
3293		3342
3294	sub reload_resources {	3343	sub reload_resources {
3295	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
3296		3345
		3346	reload_facedata;
		3347	reload_archetypes;
3297	reload_regions;	3348	reload_regions;
3298	reload_facedata;
3299	#reload_archetypes;#d#
3300	reload_archetypes;
3301	reload_treasures;	3349	reload_treasures;
3302		3350
3303	warn "finished reloading resource files\n";	3351	warn "finished reloading resource files\n";
3304	}
3305
3306	sub init {
3307	reload_resources;
3308	}	3352	}
3309		3353
3310	sub reload_config {	3354	sub reload_config {
3311	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
3312	or return;	3356	or return;
…		…
3326	};	3370	};
3327	warn $@ if $@;	3371	warn $@ if $@;
3328	}	3372	}
3329	}	3373	}
3330		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
3331	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
		3407	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3408
3332	# we must not ever block the main coroutine	3409	# we must not ever block the main coroutine
3333	local $Coro::idle = sub {	3410	local $Coro::idle = sub {
3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3411	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3335	(async {	3412	(async {
3336	$Coro::current->{desc} = "IDLE BUG HANDLER";	3413	$Coro::current->{desc} = "IDLE BUG HANDLER";
3337	EV::loop EV::LOOP_ONESHOT;	3414	EV::loop EV::LOOP_ONESHOT;
3338	})->prio (Coro::PRIO_MAX);	3415	})->prio (Coro::PRIO_MAX);
3339	};	3416	};
3340		3417
		3418	evthread_start IO::AIO::poll_fileno;
		3419
		3420	cf::sync_job {
		3421	reload_resources;
3341	reload_config;	3422	reload_config;
3342	db_init;	3423	db_init;
		3424
		3425	cf::load_settings;
		3426	cf::load_materials;
		3427	cf::init_uuid;
		3428	cf::init_signals;
		3429	cf::init_commands;
		3430	cf::init_skills;
		3431
		3432	cf::init_beforeplay;
		3433
		3434	atomic;
		3435
3343	load_extensions;	3436	load_extensions;
3344		3437
3345	$TICK_WATCHER->start;	3438	utime time, time, $RUNTIMEFILE;
3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3439
		3440	# no (long-running) fork's whatsoever before this point(!)
		3441	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3442
		3443	(pop @POST_INIT)->(0) while @POST_INIT;
		3444	};
		3445
3347	EV::loop;	3446	EV::loop;
3348	}	3447	}
3349		3448
3350	#############################################################################	3449	#############################################################################
3351	# initialisation and cleanup	3450	# initialisation and cleanup
…		…
3358	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
3359	};	3458	};
3360	}	3459	}
3361	}	3460	}
3362		3461
3363	sub write_runtime {	3462	sub write_runtime_sync {
3364	my $runtime = "$LOCALDIR/runtime";
3365
3366	# first touch the runtime file to show we are still running:	3463	# first touch the runtime file to show we are still running:
3367	# the fsync below can take a very very long time.	3464	# the fsync below can take a very very long time.
3368		3465
3369	IO::AIO::aio_utime $runtime, undef, undef;	3466	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370		3467
3371	my $guard = cf::lock_acquire "write_runtime";	3468	my $guard = cf::lock_acquire "write_runtime";
3372		3469
3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3470	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3374	or return;	3471	or return;
3375		3472
3376	my $value = $cf::RUNTIME + 90 + 10;	3473	my $value = $cf::RUNTIME + 90 + 10;
3377	# 10 is the runtime save interval, for a monotonic clock	3474	# 10 is the runtime save interval, for a monotonic clock
3378	# 60 allows for the watchdog to kill the server.	3475	# 60 allows for the watchdog to kill the server.
…		…
3388	aio_utime $fh, undef, undef;	3485	aio_utime $fh, undef, undef;
3389		3486
3390	close $fh	3487	close $fh
3391	or return;	3488	or return;
3392		3489
3393	aio_rename "$runtime~", $runtime	3490	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394	and return;	3491	and return;
3395		3492
3396	warn "runtime file written.\n";	3493	warn "runtime file written.\n";
3397		3494
3398	1	3495	1
		3496	}
		3497
		3498	our $uuid_lock;
		3499	our $uuid_skip;
		3500
		3501	sub write_uuid_sync($) {
		3502	$uuid_skip ||= $_[0];
		3503
		3504	return if $uuid_lock;
		3505	local $uuid_lock = 1;
		3506
		3507	my $uuid = "$LOCALDIR/uuid";
		3508
		3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = uuid_seq uuid_cur;
		3513
		3514	unless ($value) {
		3515	warn "cowardly refusing to write zero uuid value!\n";
		3516	return;
		3517	}
		3518
		3519	my $value = uuid_str $value + $uuid_skip;
		3520	$uuid_skip = 0;
		3521
		3522	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3523	and return;
		3524
		3525	# always fsync - this file is important
		3526	aio_fsync $fh
		3527	and return;
		3528
		3529	close $fh
		3530	or return;
		3531
		3532	aio_rename "$uuid~", $uuid
		3533	and return;
		3534
		3535	warn "uuid file written ($value).\n";
		3536
		3537	1
		3538
		3539	}
		3540
		3541	sub write_uuid($$) {
		3542	my ($skip, $sync) = @_;
		3543
		3544	$sync ? write_uuid_sync $skip
		3545	: async { write_uuid_sync $skip };
3399	}	3546	}
3400		3547
3401	sub emergency_save() {	3548	sub emergency_save() {
3402	my $freeze_guard = cf::freeze_mainloop;	3549	my $freeze_guard = cf::freeze_mainloop;
3403		3550
3404	warn "enter emergency perl save\n";	3551	warn "emergency_perl_save: enter\n";
3405		3552
3406	cf::sync_job {	3553	cf::sync_job {
		3554	# this is a trade-off: we want to be very quick here, so
		3555	# save all maps without fsync, and later call a global sync
		3556	# (which in turn might be very very slow)
		3557	local $USE_FSYNC = 0;
		3558
3407	# use a peculiar iteration method to avoid tripping on perl	3559	# use a peculiar iteration method to avoid tripping on perl
3408	# refcount bugs in for. also avoids problems with players	3560	# refcount bugs in for. also avoids problems with players
3409	# and maps saved/destroyed asynchronously.	3561	# and maps saved/destroyed asynchronously.
3410	warn "begin emergency player save\n";	3562	warn "emergency_perl_save: begin player save\n";
3411	for my $login (keys %cf::PLAYER) {	3563	for my $login (keys %cf::PLAYER) {
3412	my $pl = $cf::PLAYER{$login} or next;	3564	my $pl = $cf::PLAYER{$login} or next;
3413	$pl->valid or next;	3565	$pl->valid or next;
3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3566	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415	$pl->save;	3567	$pl->save;
3416	}	3568	}
3417	warn "end emergency player save\n";	3569	warn "emergency_perl_save: end player save\n";
3418		3570
3419	warn "begin emergency map save\n";	3571	warn "emergency_perl_save: begin map save\n";
3420	for my $path (keys %cf::MAP) {	3572	for my $path (keys %cf::MAP) {
3421	my $map = $cf::MAP{$path} or next;	3573	my $map = $cf::MAP{$path} or next;
3422	$map->valid or next;	3574	$map->valid or next;
3423	$map->save;	3575	$map->save;
3424	}	3576	}
3425	warn "end emergency map save\n";	3577	warn "emergency_perl_save: end map save\n";
3426		3578
3427	warn "begin emergency database checkpoint\n";	3579	warn "emergency_perl_save: begin database checkpoint\n";
3428	BDB::db_env_txn_checkpoint $DB_ENV;	3580	BDB::db_env_txn_checkpoint $DB_ENV;
3429	warn "end emergency database checkpoint\n";	3581	warn "emergency_perl_save: end database checkpoint\n";
		3582
		3583	warn "emergency_perl_save: begin write uuid\n";
		3584	write_uuid_sync 1;
		3585	warn "emergency_perl_save: end write uuid\n";
3430	};	3586	};
3431		3587
		3588	warn "emergency_perl_save: starting sync()\n";
		3589	IO::AIO::aio_sync sub {
		3590	warn "emergency_perl_save: finished sync()\n";
		3591	};
		3592
3432	warn "leave emergency perl save\n";	3593	warn "emergency_perl_save: leave\n";
3433	}	3594	}
3434		3595
3435	sub post_cleanup {	3596	sub post_cleanup {
3436	my ($make_core) = @_;	3597	my ($make_core) = @_;
3437		3598
3438	warn Carp::longmess "post_cleanup backtrace"	3599	warn Carp::longmess "post_cleanup backtrace"
3439	if $make_core;	3600	if $make_core;
		3601
		3602	my $fh = pidfile;
		3603	unlink $PIDFILE if <$fh> == $$;
		3604	}
		3605
		3606	# a safer delete_package, copied from Symbol
		3607	sub clear_package($) {
		3608	my $pkg = shift;
		3609
		3610	# expand to full symbol table name if needed
		3611	unless ($pkg =~ /^main::.*::$/) {
		3612	$pkg = "main$pkg" if $pkg =~ /^::/;
		3613	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3614	$pkg .= '::' unless $pkg =~ /::$/;
		3615	}
		3616
		3617	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3618	my $stem_symtab = *{$stem}{HASH};
		3619
		3620	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3621	or return;
		3622
		3623	# clear all symbols
		3624	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3625	for my $name (keys %$leaf_symtab) {
		3626	_gv_clear *{"$pkg$name"};
		3627	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3628	}
		3629	warn "cleared package $pkg\n";#d#
3440	}	3630	}
3441		3631
3442	sub do_reload_perl() {	3632	sub do_reload_perl() {
3443	# can/must only be called in main	3633	# can/must only be called in main
3444	if ($Coro::current != $Coro::main) {	3634	if ($Coro::current != $Coro::main) {
3445	warn "can only reload from main coroutine";	3635	warn "can only reload from main coroutine";
3446	return;	3636	return;
3447	}	3637	}
3448		3638
		3639	return if $RELOAD++;
		3640
		3641	my $t1 = EV::time;
		3642
		3643	while ($RELOAD) {
3449	warn "reloading...";	3644	warn "reloading...";
3450		3645
3451	warn "entering sync_job";	3646	warn "entering sync_job";
3452		3647
3453	cf::sync_job {	3648	cf::sync_job {
3454	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
3455	cf::emergency_save;	3650	cf::emergency_save;
3456	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
3457		3652
3458	warn "syncing database to disk";	3653	warn "syncing database to disk";
3459	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
3460		3655
3461	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
3462		3657
3463	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
3464	for (;;) {
3465	BDB::flush;
3466	IO::AIO::flush;
3467	Coro::cede_notself;
3468	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
3469	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3470	}
3471
3472	++$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	}	3661	}
3495		3662
3496	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
3497	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
3498	}	3665	%EXT_CORO = ();
3499		3666
3500	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
3501	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
3504	warn "... unloading $k";	3676	warn "... unloading $pkg";
3505	delete $INC{$k};
3506		3677
3507	$k =~ s/\.pm$//;
3508	$k =~ s/\//::/g;
3509
3510	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
3511	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
3512	}	3687	}
3513		3688
3514	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
3515	}	3704	}
3516		3705
3517	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
3518	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520		3709
3521	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
3522	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
3523	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
3524		3713
3525	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
3526	# and global variables created in xs	3715	# and global variables created in xs
3527	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
3528		3717
3529	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
3530		3719
3531	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
3532	require cf;	3721	require cf;
3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3534		3723
3535	warn "loading config and database again";	3724	warn "loading config and database again";
3536	cf::reload_config;	3725	cf::reload_config;
3537		3726
3538	warn "loading extensions";	3727	warn "loading extensions";
3539	cf::load_extensions;	3728	cf::load_extensions;
3540		3729
		3730	if ($REATTACH_ON_RELOAD) {
3541	warn "reattaching attachments to objects/players";	3731	warn "reattaching attachments to objects/players";
3542	_global_reattach; # objects, sockets	3732	_global_reattach; # objects, sockets
3543	warn "reattaching attachments to maps";	3733	warn "reattaching attachments to maps";
3544	reattach $_ for values %MAP;	3734	reattach $_ for values %MAP;
3545	warn "reattaching attachments to players";	3735	warn "reattaching attachments to players";
3546	reattach $_ for values %PLAYER;	3736	reattach $_ for values %PLAYER;
		3737	}
3547		3738
		3739	warn "running post_init jobs";
		3740	(pop @POST_INIT)->(1) while @POST_INIT;
		3741
3548	warn "leaving sync_job";	3742	warn "leaving sync_job";
3549		3743
3550	1	3744	1
3551	} or do {	3745	} or do {
3552	warn $@;	3746	warn $@;
3553	warn "error while reloading, exiting.";	3747	cf::cleanup "error while reloading, exiting.";
3554	exit 1;
3555	};	3748	};
3556		3749
3557	warn "reloaded";	3750	warn "reloaded";
		3751	--$RELOAD;
		3752	}
		3753
		3754	$t1 = EV::time - $t1;
		3755	warn "reload completed in ${t1}s\n";
3558	};	3756	};
3559		3757
3560	our $RELOAD_WATCHER; # used only during reload	3758	our $RELOAD_WATCHER; # used only during reload
3561		3759
3562	sub reload_perl() {	3760	sub reload_perl() {
3563	# doing reload synchronously and two reloads happen back-to-back,	3761	# doing reload synchronously and two reloads happen back-to-back,
3564	# coro crashes during coro_state_free->destroy here.	3762	# coro crashes during coro_state_free->destroy here.
3565		3763
		3764	$RELOAD_WATCHER ||= cf::async {
		3765	Coro::AIO::aio_wait cache_extensions;
		3766
3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3767	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3768	do_reload_perl;
3567	undef $RELOAD_WATCHER;	3769	undef $RELOAD_WATCHER;
3568	do_reload_perl;	3770	};
3569	};	3771	};
3570	}	3772	}
3571		3773
3572	register_command "reload" => sub {	3774	register_command "reload" => sub {
3573	my ($who, $arg) = @_;	3775	my ($who, $arg) = @_;
…		…
3587		3789
3588	our @WAIT_FOR_TICK;	3790	our @WAIT_FOR_TICK;
3589	our @WAIT_FOR_TICK_BEGIN;	3791	our @WAIT_FOR_TICK_BEGIN;
3590		3792
3591	sub wait_for_tick {	3793	sub wait_for_tick {
3592	return unless $TICK_WATCHER->is_active;
3593	return if $Coro::current == $Coro::main;	3794	return if tick_inhibit || $Coro::current == $Coro::main;
3594		3795
3595	my $signal = new Coro::Signal;	3796	my $signal = new Coro::Signal;
3596	push @WAIT_FOR_TICK, $signal;	3797	push @WAIT_FOR_TICK, $signal;
3597	$signal->wait;	3798	$signal->wait;
3598	}	3799	}
3599		3800
3600	sub wait_for_tick_begin {	3801	sub wait_for_tick_begin {
3601	return unless $TICK_WATCHER->is_active;
3602	return if $Coro::current == $Coro::main;	3802	return if tick_inhibit || $Coro::current == $Coro::main;
3603		3803
3604	my $signal = new Coro::Signal;	3804	my $signal = new Coro::Signal;
3605	push @WAIT_FOR_TICK_BEGIN, $signal;	3805	push @WAIT_FOR_TICK_BEGIN, $signal;
3606	$signal->wait;	3806	$signal->wait;
3607	}	3807	}
3608		3808
3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3809	sub tick {
3610	if ($Coro::current != $Coro::main) {	3810	if ($Coro::current != $Coro::main) {
3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3811	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612	unless ++$bug_warning > 10;	3812	unless ++$bug_warning > 10;
3613	return;	3813	return;
3614	}	3814	}
3615		3815
3616	$NOW = $tick_start = EV::now;
3617
3618	cf::server_tick; # one server iteration	3816	cf::server_tick; # one server iteration
3619
3620	$RUNTIME += $TICK;
3621	$NEXT_TICK = $_[0]->at;
3622		3817
3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3818	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3819	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625	Coro::async_pool {	3820	Coro::async_pool {
3626	$Coro::current->{desc} = "runtime saver";	3821	$Coro::current->{desc} = "runtime saver";
3627	write_runtime	3822	write_runtime_sync
3628	or warn "ERROR: unable to write runtime file: $!";	3823	or warn "ERROR: unable to write runtime file: $!";
3629	};	3824	};
3630	}	3825	}
3631		3826
3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3827	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3634	}	3829	}
3635	while (my $sig = shift @WAIT_FOR_TICK) {	3830	while (my $sig = shift @WAIT_FOR_TICK) {
3636	$sig->send;	3831	$sig->send;
3637	}	3832	}
3638		3833
3639	$LOAD = ($NOW - $tick_start) / $TICK;	3834	$LOAD = ($NOW - $TICK_START) / $TICK;
3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3835	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641		3836
3642	_post_tick;	3837	if (0) {
3643	};	3838	if ($NEXT_TICK) {
3644	$TICK_WATCHER->priority (EV::MAXPRI);	3839	my $jitter = $TICK_START - $NEXT_TICK;
		3840	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3841	warn "jitter $JITTER\n";#d#
		3842	}
		3843	}
		3844	}
3645		3845
3646	{	3846	{
3647	# configure BDB	3847	# configure BDB
3648		3848
3649	BDB::min_parallel 8;	3849	BDB::min_parallel 8;
3650	BDB::max_poll_reqs $TICK * 0.1;	3850	BDB::max_poll_reqs $TICK * 0.1;
3651	$Coro::BDB::WATCHER->priority (1);	3851	$AnyEvent::BDB::WATCHER->priority (1);
3652		3852
3653	unless ($DB_ENV) {	3853	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	3854	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3855	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	3856	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3857	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3858	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3859	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		3860
3660	cf::sync_job {	3861	cf::sync_job {
3661	eval {	3862	eval {
…		…
3687	{	3888	{
3688	# configure IO::AIO	3889	# configure IO::AIO
3689		3890
3690	IO::AIO::min_parallel 8;	3891	IO::AIO::min_parallel 8;
3691	IO::AIO::max_poll_time $TICK * 0.1;	3892	IO::AIO::max_poll_time $TICK * 0.1;
3692	$Coro::AIO::WATCHER->priority (1);	3893	undef $AnyEvent::AIO::WATCHER;
3693	}	3894	}
3694		3895
3695	my $_log_backtrace;	3896	my $_log_backtrace;
3696		3897
3697	sub _log_backtrace {	3898	sub _log_backtrace {
…		…
3700	$msg =~ s/\n//;	3901	$msg =~ s/\n//;
3701		3902
3702	# limit the # of concurrent backtraces	3903	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	3904	if ($_log_backtrace < 2) {
3704	++$_log_backtrace;	3905	++$_log_backtrace;
		3906	my $perl_bt = Carp::longmess $msg;
3705	async {	3907	async {
3706	$Coro::current->{desc} = "abt $msg";	3908	$Coro::current->{desc} = "abt $msg";
3707		3909
3708	my @bt = fork_call {	3910	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	3911	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	3922	}
3721		3923
3722	@funcs	3924	@funcs
3723	};	3925	};
3724		3926
3725	LOG llevInfo, "[ABT] $msg\n";	3927	LOG llevInfo, "[ABT] $perl_bt\n";
		3928	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	3929	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	3930	--$_log_backtrace;
3728	};	3931	};
3729	} else {	3932	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	3933	LOG llevInfo, "[ABT] $msg\n";

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