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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 1.458 by root, Sat Dec 13 20:34:37 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::AnyEvent;
22	use Coro::AIO;	47	use Coro::AIO;
23	use Coro::BDB;	48	use Coro::BDB 1.6;
24	use Coro::Storable;	49	use Coro::Storable;
25	use Coro::Util ();	50	use Coro::Util ();
26		51
27	use JSON::XS 2.01 ();	52	use JSON::XS 2.01 ();
28	use BDB ();	53	use BDB ();
29	use Data::Dumper;	54	use Data::Dumper;
30	use Digest::MD5;	55	use Digest::MD5;
31	use Fcntl;	56	use Fcntl;
32	use YAML::Syck ();	57	use YAML ();
33	use IO::AIO 2.51 ();	58	use IO::AIO ();
34	use Time::HiRes;	59	use Time::HiRes;
35	use Compress::LZF;	60	use Compress::LZF;
36	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
37		64
38	# configure various modules to our taste	65	# configure various modules to our taste
39	#	66	#
40	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	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		75
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		77
51	our %COMMAND = ();	78	our %COMMAND = ();
52	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	82	our %EXTCMD = ();
56	our %EXTICMD = ();	83	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
59		86
60	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	88	our @EVENT;
62		89
63	our $CONFDIR = confdir;	90	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	91	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	92	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	93	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	94	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	95	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	99	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
74	our %RESOURCE;	104	our %RESOURCE;
75		105
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	106	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	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	108	our $NEXT_TICK;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		110
83	our $BDB_POLL_WATCHER;
84	our $BDB_DEADLOCK_WATCHER;	111	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	112	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	114	our $DB_ENV;
88		115
…		…
99	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		128
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		137
106	binmode STDOUT;	138	binmode STDOUT;
107	binmode STDERR;	139	binmode STDERR;
108		140
109	# read virtual server time, if available	141	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	143	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
114	}	146	}
115		147
116	mkdir $_	148	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
195	LOG llevError, $msg;	227	LOG llevError, $msg;
196	};	228	};
197	}	229	}
198		230
199	$Coro::State::DIEHOOK = sub {	231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
200	warn Carp::longmess $_[0];	240	warn Carp::longmess $_[0];
201	Coro::terminate;	241	Coro::terminate
202	};	242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
203		245
204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
214	for my $pkg (qw(	256	for my $pkg (qw(
215	cf::global cf::attachable	257	cf::global cf::attachable
216	cf::object cf::object::player	258	cf::object cf::object::player
217	cf::client cf::player	259	cf::client cf::player
218	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
219	cf::map cf::party cf::region	262	cf::party cf::region
220	)) {	263	)) {
221	no strict 'refs';
222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
223	}	265	}
224		266
225	$EV::DIED = sub {	267	$EV::DIED = sub {
226	warn "error in event callback: @_";	268	warn "error in event callback: @_";
…		…
268	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
269		311
270	sub encode_json($) { $json_coder->encode ($_[0]) }	312	sub encode_json($) { $json_coder->encode ($_[0]) }
271	sub decode_json($) { $json_coder->decode ($_[0]) }	313	sub decode_json($) { $json_coder->decode ($_[0]) }
272		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
		327	}
		328
273	=item cf::lock_wait $string	329	=item cf::lock_wait $string
274		330
275	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
276		332
277	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
278		334
279	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
280	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
281	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
282	returned.	338	returned.
283		339
284	Locks are *not* recursive, locking from the same coro twice results in a	340	Locks are *not* recursive, locking from the same coro twice results in a
285	deadlocked coro.	341	deadlocked coro.
…		…
304	return;#d#	360	return;#d#
305	}#d#	361	}#d#
306		362
307	# wait for lock, if any	363	# wait for lock, if any
308	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
309	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
310	Coro::schedule;	367	Coro::schedule;
311	}	368	}
312	}	369	}
313		370
…		…
318	lock_wait $key;	375	lock_wait $key;
319		376
320	$LOCK{$key} = [];	377	$LOCK{$key} = [];
321	$LOCKER{$key} = $Coro::current;#d#	378	$LOCKER{$key} = $Coro::current;#d#
322		379
323	Coro::guard {	380	Guard::guard {
324	delete $LOCKER{$key};#d#	381	delete $LOCKER{$key};#d#
325	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
326	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
327	}	384	}
328	}	385	}
…		…
332		389
333	! ! $LOCK{$key}	390	! ! $LOCK{$key}
334	}	391	}
335		392
336	sub freeze_mainloop {	393	sub freeze_mainloop {
337	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
338		395
339	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
340	$TICK_WATCHER->start;
341	};
342	$TICK_WATCHER->stop;
343	$guard
344	}	397	}
345		398
346	=item cf::periodic $interval, $cb	399	=item cf::periodic $interval, $cb
347		400
348	Like EV::periodic, but randomly selects a starting point so that the actions	401	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
403	}	456	}
404	}	457	}
405	};	458	};
406		459
407	sub get_slot($;$$) {	460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
408	my ($time, $pri, $name) = @_;	463	my ($time, $pri, $name) = @_;
409		464
410	$time = $TICK * .6 if $time > $TICK * .6;	465	$time = $TICK * .6 if $time > $TICK * .6;
411	my $sig = new Coro::Signal;	466	my $sig = new Coro::Signal;
412		467
…		…
449	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
450	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
451		506
452	LOG llevError, Carp::longmess "sync job";#d#	507	LOG llevError, Carp::longmess "sync job";#d#
453		508
454	# TODO: use suspend/resume instead
455	# (but this is cancel-safe)
456	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
457		510
458	my $busy = 1;	511	my $busy = 1;
459	my @res;	512	my @res;
460		513
…		…
471	} else {	524	} else {
472	EV::loop EV::LOOP_ONESHOT;	525	EV::loop EV::LOOP_ONESHOT;
473	}	526	}
474	}	527	}
475		528
476	$time = EV::time - $time;	529	my $time = EV::time - $time;
477		530
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	531	$TICK_START += $time; # do not account sync jobs to server load
482		532
483	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
484	} else {	534	} else {
485	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
486		536
…		…
528	reset_signals;	578	reset_signals;
529	&$cb	579	&$cb
530	}, @args;	580	}, @args;
531		581
532	wantarray ? @res : $res[-1]	582	wantarray ? @res : $res[-1]
		583	}
		584
		585	=item $coin = coin_from_name $name
		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
533	}	610	}
534		611
535	=item $value = cf::db_get $family => $key	612	=item $value = cf::db_get $family => $key
536		613
537	Returns a single value from the environment database.	614	Returns a single value from the environment database.
…		…
676		753
677	#############################################################################	754	#############################################################################
678		755
679	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
680		757
681	Many objects in crossfire are so-called attachable objects. That means you can	758	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")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
683	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
684		761
685	In the following description, CLASS can be any of C<global>, C<object>	762	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	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
736	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
737		814
738	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
739	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
740		817
741	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
742	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
743		820
744	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
745		822
746	=over 4	823	=over 4
…		…
1037		1114
1038	sub reattach {	1115	sub reattach {
1039	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
1040	my ($obj) = @_;	1117	my ($obj) = @_;
1041		1118
		1119	# no longer needed after getting rid of delete_package?
1042	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1043		1121
1044	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
1045		1123
1046	@$registry = ();	1124	@$registry = ();
1047		1125
…		…
1093	utf8::decode (my $decname = $filename);	1171	utf8::decode (my $decname = $filename);
1094	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
1095	$decname, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
1096		1174
1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1098	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1100	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
1101	close $fh;	1179	aio_close $fh;
1102		1180
1103	if (@$objs) {	1181	if (@$objs) {
1104	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1105	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1107	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
1108	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
1109	close $fh;	1187	aio_close $fh;
1110	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
1111	}	1189	}
1112	} else {	1190	} else {
1113	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1114	}	1192	}
1115		1193
1116	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
1117	} else {	1198	} else {
1118	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
1119	}	1200	}
1120	} else {	1201	} else {
1121	aio_unlink $filename;	1202	aio_unlink $filename;
…		…
1214	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
1215		1296
1216	$EXTICMD{$name} = $cb;	1297	$EXTICMD{$name} = $cb;
1217	}	1298	}
1218		1299
		1300	use File::Glob ();
		1301
1219	cf::player->attach (	1302	cf::player->attach (
1220	on_command => sub {	1303	on_command => sub {
1221	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
1222		1305
1223	my $cb = $COMMAND{$name}	1306	my $cb = $COMMAND{$name}
…		…
1255		1338
1256	cf::override;	1339	cf::override;
1257	},	1340	},
1258	);	1341	);
1259		1342
		1343	# "readahead" all extensions
		1344	sub cache_extensions {
		1345	my $grp = IO::AIO::aio_group;
		1346
		1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1348	for (grep /\.ext$/, @{$_[0]}) {
		1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1350	}
		1351	};
		1352
		1353	$grp
		1354	}
		1355
1260	sub load_extensions {	1356	sub load_extensions {
1261	cf::sync_job {	1357	cf::sync_job {
1262	my %todo;	1358	my %todo;
1263		1359
1264	for my $path (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
…		…
1283		1379
1284	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1285	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1286		1382
1287	$ext{source} =	1383	$ext{source} =
1288	"package $pkg; use strict; use utf8;\n"	1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1289	. "#line 1 \"$path\"\n{\n"	1385	. "#line 1 \"$path\"\n{\n"
1290	. $source	1386	. $source
1291	. "\n};\n1";	1387	. "\n};\n1";
1292		1388
1293	$todo{$base} = \%ext;	1389	$todo{$base} = \%ext;
…		…
1309	my $msg = $@ ? "$v->{path}: $@\n"	1405	my $msg = $@ ? "$v->{path}: $@\n"
1310	: "$v->{base}: extension inactive.\n";	1406	: "$v->{base}: extension inactive.\n";
1311		1407
1312	if (exists $v->{meta}{mandatory}) {	1408	if (exists $v->{meta}{mandatory}) {
1313	warn $msg;	1409	warn $msg;
1314	warn "mandatory extension failed to load, exiting.\n";	1410	cf::cleanup "mandatory extension failed to load, exiting.";
1315	exit 1;
1316	}	1411	}
1317		1412
1318	warn $msg;	1413	warn $msg;
1319	}	1414	}
1320		1415
…		…
1334		1429
1335	=back	1430	=back
1336		1431
1337	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
1338		1433
1339	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
1340		1435
1341	=cut	1436	=cut
1342		1437
1343	package cf::player;	1438	package cf::player;
1344		1439
…		…
1387		1482
1388	sub exists($) {	1483	sub exists($) {
1389	my ($login) = @_;	1484	my ($login) = @_;
1390		1485
1391	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1392	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1393	}	1488	}
1394		1489
1395	sub find($) {	1490	sub find($) {
1396	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1397	my $login = $_[0];	1492	my $login = $_[0];
…		…
1409	my $f = new_from_file cf::object::thawer path $login	1504	my $f = new_from_file cf::object::thawer path $login
1410	or return;	1505	or return;
1411		1506
1412	my $pl = cf::player::load_pl $f	1507	my $pl = cf::player::load_pl $f
1413	or return;	1508	or return;
		1509
1414	local $cf::PLAYER_LOADING{$login} = $pl;	1510	local $cf::PLAYER_LOADING{$login} = $pl;
1415	$f->resolve_delayed_derefs;	1511	$f->resolve_delayed_derefs;
1416	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1417	}	1513	}
1418	}	1514	}
…		…
1428		1524
1429	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1430		1526
1431	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1432	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
		1529
		1530	cf::get_slot 0.01;
1433		1531
1434	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1435	cf::cede_to_tick;	1533	cf::cede_to_tick;
1436	}	1534	}
1437		1535
…		…
1469	my ($pl) = @_;	1567	my ($pl) = @_;
1470		1568
1471	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1472		1570
1473	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1474	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1475		1573
1476	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1477	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1478	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1479	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1480		1580
1481	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1482	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1521		1621
1522	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
1523	my $path = path $login;	1623	my $path = path $login;
1524		1624
1525	# a .pst is a dead give-away for a valid player	1625	# a .pst is a dead give-away for a valid player
1526	unless (-e "$path.pst") {	1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1528	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1529	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
1530	}	1631	}
1531		1632
…		…
1562	}	1663	}
1563		1664
1564	\@paths	1665	\@paths
1565	}	1666	}
1566		1667
1567	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1568		1669
1569	Expand crossfire pod fragments into protocol xml.	1670	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		1671
1660	=item $player->ext_reply ($msgid, @msg)	1672	=item $player->ext_reply ($msgid, @msg)
1661		1673
1662	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1663		1675
…		…
1730	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1731	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1732		1744
1733	sub generate_random_map {	1745	sub generate_random_map {
1734	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1735	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1736	$self->_create_random_map (	1751	$self->_create_random_map (
1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1861		1876
1862	# the temporary/swap location	1877	# the temporary/swap location
1863	sub save_path {	1878	sub save_path {
1864	my ($self) = @_;	1879	my ($self) = @_;
1865		1880
1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1867	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1868	}	1883	}
1869		1884
1870	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1871	sub uniq_path {	1886	sub uniq_path {
1872	my ($self) = @_;	1887	my ($self) = @_;
1873		1888
1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1875	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1876	}	1891	}
1877		1892
1878	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1879	# all maps in C++...	1894	# all maps in C++...
…		…
1977		1992
1978	cf::lock_wait "map_data:$path";#d#remove	1993	cf::lock_wait "map_data:$path";#d#remove
1979	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1980		1995
1981	$cf::MAP{$path} || do {	1996	$cf::MAP{$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	1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1998	my $guard2 = cf::lock_acquire "map_find:$path";
1984		1999
1985	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1986	or return;	2001	or return;
1987		2002
1988	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
…		…
1991	or return;	2006	or return;
1992		2007
1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1994	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1995	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
1996	undef $guard1;	2012	undef $guard1;
1997	undef $guard2;
1998	$map->reset;	2013	$map->reset;
1999	return find $path;	2014	return find $path;
2000	}	2015	}
2001		2016
2002	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
…		…
2029	my $f = new_from_file cf::object::thawer $self->{load_path};	2044	my $f = new_from_file cf::object::thawer $self->{load_path};
2030	$f->skip_block;	2045	$f->skip_block;
2031	$self->_load_objects ($f)	2046	$self->_load_objects ($f)
2032	or return;	2047	or return;
2033		2048
2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
2035	if delete $self->{load_original};	2050	if delete $self->{load_original};
2036		2051
2037	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
2038	utf8::encode $uniq;	2053	utf8::encode $uniq;
2039	unless (aio_stat $uniq) {	2054	unless (aio_stat $uniq) {
…		…
2065	}	2080	}
2066		2081
2067	$self->{last_save} = $cf::RUNTIME;	2082	$self->{last_save} = $cf::RUNTIME;
2068	$self->last_access ($cf::RUNTIME);	2083	$self->last_access ($cf::RUNTIME);
2069		2084
2070	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
2071	}	2086	}
2072		2087
2073	$self->post_load;	2088	$self->post_load;
2074	}	2089	}
2075		2090
…		…
2133	my ($path, $origin, $load) = @_;	2148	my ($path, $origin, $load) = @_;
2134		2149
2135	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
2136		2151
2137	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2139	}	2154	}
2140		2155
2141	$MAP_PREFETCH{$path} |= $load;	2156	$MAP_PREFETCH{$path} |= $load;
2142		2157
2143	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
…		…
2180	cf::async {	2195	cf::async {
2181	$Coro::current->{desc} = "map player save";	2196	$Coro::current->{desc} = "map player save";
2182	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
2183	};	2198	};
2184		2199
		2200	cf::get_slot 0.02;
		2201
2185	if ($uniq) {	2202	if ($uniq) {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2187	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2188	} else {	2205	} else {
2189	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2206	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2197	$self->save;	2214	$self->save;
2198		2215
2199	my $lock = cf::lock_acquire "map_data:$self->{path}";	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
2200		2217
2201	return if $self->players;	2218	return if $self->players;
2202	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
2203	return if $self->{deny_save};	2220	return if $self->{deny_save};
2204		2221
2205	$self->in_memory (cf::MAP_SWAPPED);	2222	$self->in_memory (cf::MAP_SWAPPED);
2206		2223
2207	$self->deactivate;	2224	$self->deactivate;
…		…
2325		2342
2326	sub unique_maps() {	2343	sub unique_maps() {
2327	[	2344	[
2328	map {	2345	map {
2329	utf8::decode $_;	2346	utf8::decode $_;
2330	/\.map$/	2347	s/\.map$//; # TODO future compatibility hack
		2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2349	? ()
2331	? normalise $_	2350	: normalise $_
2332	: ()
2333	} @{ aio_readdir $UNIQUEDIR or [] }	2351	} @{ aio_readdir $UNIQUEDIR or [] }
2334	]	2352	]
2335	}	2353	}
2336		2354
2337	package cf;
2338
2339	=back	2355	=back
2340		2356
2341	=head3 cf::object	2357	=head3 cf::object
2342		2358
2343	=cut	2359	=cut
…		…
2346		2362
2347	=over 4	2363	=over 4
2348		2364
2349	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
2350		2366
2351	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
2352		2369
2353	=cut	2370	=cut
2354		2371
2355	sub inv_recursive_;	2372	sub inv_recursive_;
2356	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
2361	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
2362	}	2379	}
2363		2380
2364	=item $ref = $ob->ref	2381	=item $ref = $ob->ref
2365		2382
2366	creates and returns a persistent reference to an objetc that can be stored as a string.	2383	Creates and returns a persistent reference to an object that can be stored as a string.
2367		2384
2368	=item $ob = cf::object::deref ($refstring)	2385	=item $ob = cf::object::deref ($refstring)
2369		2386
2370	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2371	even if the object actually exists. May block.	2388	even if the object actually exists. May block.
…		…
2403	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
2404	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
2405		2422
2406	=cut	2423	=cut
2407		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
		2438
2408	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
2409	# with dialog boxes.	2440	# with dialog boxes.
2410	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
2411	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
2412	my ($self, $npc, $msg, $flags) = @_;	2443	my ($self, $npc, $msg, $flags) = @_;
…		…
2423	my $dialog = $pl->{npc_dialog};	2454	my $dialog = $pl->{npc_dialog};
2424	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2425		2456
2426	} else {	2457	} else {
2427	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
2428	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2429	}	2460	}
2430	}	2461	}
2431	}	2462	}
2432		2463
2433	=item $object->send_msg ($channel, $msg, $color, [extra...])	2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2458		2489
2459	=item $player_object->enter_link	2490	=item $player_object->enter_link
2460		2491
2461	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
2462		2493
2463	The player should be reasonably safe there for short amounts of time. You	2494	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.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
2465		2498
2466	Will never block.	2499	Will never block.
2467		2500
2468	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
2469		2502
…		…
2527		2560
2528	$map->load;	2561	$map->load;
2529	$map->load_neighbours;	2562	$map->load_neighbours;
2530		2563
2531	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2532	$self->activate_recursive;	2566	$self->activate_recursive;
2533		2567
2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2535	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
2536	}	2570	}
…		…
2540	Moves the player to the given map-path and coordinates by first freezing	2574	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	2575	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	2576	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	2577	the new (success) or old (failed) map position. In either case, $done will
2544	be called at the end of this process.	2578	be called at the end of this process.
		2579
		2580	Note that $check will be called with a potentially non-loaded map, so if
		2581	it needs a loaded map it has to call C<< ->load >>.
2545		2582
2546	=cut	2583	=cut
2547		2584
2548	our $GOTOGEN;	2585	our $GOTOGEN;
2549		2586
…		…
2628	}	2665	}
2629		2666
2630	sub prepare_random_map {	2667	sub prepare_random_map {
2631	my ($exit) = @_;	2668	my ($exit) = @_;
2632		2669
2633	my $guard = cf::lock_acquire "exit_prepare:$exit";
2634
2635	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
2636	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
2637	# that depends on the exit object	2672	# that depends on the exit object
2638		2673
2639	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
2641	if ($exit->map) {	2676	if ($exit->map) {
2642	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2643	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2644	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2645	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2646	}	2683	}
2647		2684
2648	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2649		2686
2650	my $data = cf::encode_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2651	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2652	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2653		2690
2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2655	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2656	undef $fh;	2693	undef $fh;
2657	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2658		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2659	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2660	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2661	}	2702	}
2662	}	2703	}
2663		2704
2664	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2665	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2666		2707
2667	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2668		2709
2669	if ($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;	2710	$self->enter_link;
2681		2711
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 {	2712	(async {
2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2713	$Coro::current->{desc} = "enter_exit";
2688		2714
2689	$self->deactivate_recursive; # just to be sure
2690	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
		2722	prepare_random_map $exit
		2723	if $exit->slaying eq "/!";
		2724	}
		2725
		2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
		2729
2691	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2692		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
2693	1;	2736	1
2694	}) {	2737	}) {
2695	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2696	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
2697	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2698	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2699		2742
2700	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2766	id => "infobox",	2809	id => "infobox",
2767	title => "Body Parts",	2810	title => "Body Parts",
2768	reply => undef,	2811	reply => undef,
2769	tooltip => "Shows which body parts you posess and are available",	2812	tooltip => "Shows which body parts you posess and are available",
2770	},	2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
2771	"c/uptime" => {	2820	"c/uptime" => {
2772	id => "infobox",	2821	id => "infobox",
2773	title => "Uptime",	2822	title => "Uptime",
2774	reply => undef,	2823	reply => undef,
2775	tooltip => "How long the server has been running since last restart",	2824	tooltip => "How long the server has been running since last restart",
…		…
2778	id => "infobox",	2827	id => "infobox",
2779	title => "Map Info",	2828	title => "Map Info",
2780	reply => undef,	2829	reply => undef,
2781	tooltip => "Information related to the maps",	2830	tooltip => "Information related to the maps",
2782	},	2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
2783	);	2838	);
2784		2839
2785	sub cf::client::send_msg {	2840	sub cf::client::send_msg {
2786	my ($self, $channel, $msg, $color, @extra) = @_;	2841	my ($self, $channel, $msg, $color, @extra) = @_;
2787		2842
2788	$msg = $self->pl->expand_cfpod ($msg);	2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
2789		2845
2790	$color &= cf::NDI_CLIENT_MASK; # just in case...	2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
2791		2847
2792	# check predefined channels, for the benefit of C	2848	# check predefined channels, for the benefit of C
2793	if ($CHANNEL{$channel}) {	2849	if ($CHANNEL{$channel}) {
…		…
2814	if ($self->can_msg) {	2870	if ($self->can_msg) {
2815	# default colour, mask it out	2871	# default colour, mask it out
2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2817	if $color & cf::NDI_DEF;	2873	if $color & cf::NDI_DEF;
2818		2874
2819	$self->send_packet ("msg " . $self->{json_coder}->encode (	2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
2821	} else {	2891	} else {
2822	if ($color >= 0) {	2892	if ($color >= 0) {
2823	# replace some tags by gcfclient-compatible ones	2893	# replace some tags by gcfclient-compatible ones
2824	for ($msg) {	2894	for ($msg) {
2825	1 while	2895	1 while
…		…
3024		3094
3025	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
3026		3096
3027	cf::object	3097	cf::object
3028	contr pay_amount pay_player map x y force_find force_add destroy	3098	contr pay_amount pay_player map x y force_find force_add destroy
3029	insert remove name archname title slaying race decrease_ob_nr	3099	insert remove name archname title slaying race decrease split
3030		3100
3031	cf::object::player	3101	cf::object::player
3032	player	3102	player
3033		3103
3034	cf::player	3104	cf::player
…		…
3039		3109
3040	=cut	3110	=cut
3041		3111
3042	for (	3112	for (
3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3044	insert remove inv name archname title slaying race	3114	insert remove inv nrof name archname title slaying race
3045	decrease_ob_nr destroy)],	3115	decrease split destroy change_exp)],
3046	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
3047	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
3048	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
3049	) {	3119	) {
3050	no strict 'refs';	3120	no strict 'refs';
…		…
3258	while (my ($k, $v) = each %$want) {	3328	while (my ($k, $v) = each %$want) {
3259	$ns->fx_want ($k, $v);	3329	$ns->fx_want ($k, $v);
3260	}	3330	}
3261	};	3331	};
3262		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
3263	sub reload_regions {	3343	sub reload_regions {
3264	# HACK to clear player env face cache, we need some signal framework	3344	# HACK to clear player env face cache, we need some signal framework
3265	# for this (global event?)	3345	# for this (global event?)
3266	%ext::player_env::MUSIC_FACE_CACHE = ();	3346	%ext::player_env::MUSIC_FACE_CACHE = ();
3267		3347
…		…
3280	}	3360	}
3281		3361
3282	sub reload_archetypes {	3362	sub reload_archetypes {
3283	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
3284	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
3285	#d# NEED to laod twice to resolve forward references
3286	# this really needs to be done in an extra post-pass
3287	# (which needs to be synchronous, so solve it differently)
3288	load_resource_file "$DATADIR/archetypes"
3289	or die "unable to load archetypes\n";
3290	}	3365	}
3291		3366
3292	sub reload_treasures {	3367	sub reload_treasures {
3293	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
3294	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
3295	}	3370	}
3296		3371
3297	sub reload_resources {	3372	sub reload_resources {
3298	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
3299		3374
		3375	reload_facedata;
		3376	reload_archetypes;
3300	reload_regions;	3377	reload_regions;
3301	reload_facedata;
3302	#reload_archetypes;#d#
3303	reload_archetypes;
3304	reload_treasures;	3378	reload_treasures;
3305		3379
3306	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
3307	}
3308
3309	sub init {
3310	reload_resources;
3311	}	3381	}
3312		3382
3313	sub reload_config {	3383	sub reload_config {
3314	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
3315	or return;	3385	or return;
3316		3386
3317	local $/;	3387	local $/;
3318	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
3319		3389
3320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3321		3391
3322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$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};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3329	};	3399	};
3330	warn $@ if $@;	3400	warn $@ if $@;
3331	}	3401	}
3332	}	3402	}
3333		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
3334	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
3335	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
3336	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3338	(async {	3442	(async {
3339	$Coro::current->{desc} = "IDLE BUG HANDLER";	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
3340	EV::loop EV::LOOP_ONESHOT;	3444	EV::loop EV::LOOP_ONESHOT;
3341	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
3342	};	3446	};
3343		3447
		3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
3344	reload_config;	3452	reload_config;
3345	db_init;	3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
3346	load_extensions;	3466	load_extensions;
3347		3467
3348	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
3350	EV::loop;	3476	EV::loop;
3351	}	3477	}
3352		3478
3353	#############################################################################	3479	#############################################################################
3354	# initialisation and cleanup	3480	# initialisation and cleanup
…		…
3361	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
3362	};	3488	};
3363	}	3489	}
3364	}	3490	}
3365		3491
3366	sub write_runtime {	3492	sub write_runtime_sync {
3367	my $runtime = "$LOCALDIR/runtime";
3368
3369	# first touch the runtime file to show we are still running:	3493	# first touch the runtime file to show we are still running:
3370	# the fsync below can take a very very long time.	3494	# the fsync below can take a very very long time.
3371		3495
3372	IO::AIO::aio_utime $runtime, undef, undef;	3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3373		3497
3374	my $guard = cf::lock_acquire "write_runtime";	3498	my $guard = cf::lock_acquire "write_runtime";
3375		3499
3376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3377	or return;	3501	or return;
3378		3502
3379	my $value = $cf::RUNTIME + 90 + 10;	3503	my $value = $cf::RUNTIME + 90 + 10;
3380	# 10 is the runtime save interval, for a monotonic clock	3504	# 10 is the runtime save interval, for a monotonic clock
3381	# 60 allows for the watchdog to kill the server.	3505	# 60 allows for the watchdog to kill the server.
…		…
3391	aio_utime $fh, undef, undef;	3515	aio_utime $fh, undef, undef;
3392		3516
3393	close $fh	3517	close $fh
3394	or return;	3518	or return;
3395		3519
3396	aio_rename "$runtime~", $runtime	3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3397	and return;	3521	and return;
3398		3522
3399	warn "runtime file written.\n";	3523	warn "runtime file written.\n";
3400		3524
3401	1	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
3402	}	3576	}
3403		3577
3404	sub emergency_save() {	3578	sub emergency_save() {
3405	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
3406		3580
3407	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
3408		3582
3409	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
3410	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
3411	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
3412	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
3413	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
3414	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
3415	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
3416	$pl->valid or next;	3595	$pl->valid or next;
3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3418	$pl->save;	3597	$pl->save;
3419	}	3598	}
3420	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
3421		3600
3422	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
3423	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
3424	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
3425	$map->valid or next;	3604	$map->valid or next;
3426	$map->save;	3605	$map->save;
3427	}	3606	}
3428	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
3429		3608
3430	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
3431	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
3432	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
3433	};	3616	};
3434		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
3435	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
3436	}	3624	}
3437		3625
3438	sub post_cleanup {	3626	sub post_cleanup {
3439	my ($make_core) = @_;	3627	my ($make_core) = @_;
3440		3628
3441	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
3442	if $make_core;	3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
3443	}	3660	}
3444		3661
3445	sub do_reload_perl() {	3662	sub do_reload_perl() {
3446	# can/must only be called in main	3663	# can/must only be called in main
3447	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
3448	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
3449	return;	3666	return;
3450	}	3667	}
3451		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
3452	warn "reloading...";	3674	warn "reloading...";
3453		3675
3454	warn "entering sync_job";	3676	warn "entering sync_job";
3455		3677
3456	cf::sync_job {	3678	cf::sync_job {
3457	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
3458	cf::emergency_save;	3680	cf::emergency_save;
3459	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
3460		3682
3461	warn "syncing database to disk";	3683	warn "syncing database to disk";
3462	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
3463		3685
3464	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
3465		3687
3466	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
3467	for (;;) {
3468	BDB::flush;
3469	IO::AIO::flush;
3470	Coro::cede_notself;
3471	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
3472	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3473	}
3474
3475	++$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	}	3691	}
3498		3692
3499	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
3500	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
3501	}	3695	%EXT_CORO = ();
3502		3696
3503	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
3504	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
3505	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3506		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
3507	warn "... unloading $k";	3706	warn "... unloading $pkg";
3508	delete $INC{$k};
3509		3707
3510	$k =~ s/\.pm$//;
3511	$k =~ s/\//::/g;
3512
3513	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
3514	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
3515	}	3717	}
3516		3718
3517	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
3518	}	3734	}
3519		3735
3520	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
3521	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
3522	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3523		3739
3524	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
3525	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
3526	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
3527		3743
3528	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
3529	# and global variables created in xs	3745	# and global variables created in xs
3530	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
3531		3747
3532	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
3533		3749
3534	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
3535	require cf;	3751	require cf;
3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3537		3753
3538	warn "loading config and database again";	3754	warn "loading config and database again";
3539	cf::reload_config;	3755	cf::reload_config;
3540		3756
3541	warn "loading extensions";	3757	warn "loading extensions";
3542	cf::load_extensions;	3758	cf::load_extensions;
3543		3759
		3760	if ($REATTACH_ON_RELOAD) {
3544	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
3545	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
3546	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
3547	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
3548	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
3549	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
3550		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
3551	warn "leaving sync_job";	3772	warn "leaving sync_job";
3552		3773
3553	1	3774	1
3554	} or do {	3775	} or do {
3555	warn $@;	3776	warn $@;
3556	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
3557	exit 1;
3558	};	3778	};
3559		3779
3560	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
3561	};	3786	};
3562		3787
3563	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
3564		3789
3565	sub reload_perl() {	3790	sub reload_perl() {
3566	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
3567	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
3568		3793
		3794	$RELOAD_WATCHER ||= cf::async {
		3795	Coro::AIO::aio_wait cache_extensions;
		3796
3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3798	do_reload_perl;
3570	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
3571	do_reload_perl;	3800	};
3572	};	3801	};
3573	}	3802	}
3574		3803
3575	register_command "reload" => sub {	3804	register_command "reload" => sub {
3576	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
…		…
3590		3819
3591	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
3592	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
3593		3822
3594	sub wait_for_tick {	3823	sub wait_for_tick {
3595	return unless $TICK_WATCHER->is_active;
3596	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
3597		3825
3598	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
3599	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
3600	$signal->wait;	3828	$signal->wait;
3601	}	3829	}
3602		3830
3603	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
3604	return unless $TICK_WATCHER->is_active;
3605	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
3606		3833
3607	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
3608	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
3609	$signal->wait;	3836	$signal->wait;
3610	}	3837	}
3611		3838
3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3839	sub tick {
3613	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3615	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
3616	return;	3843	return;
3617	}	3844	}
3618		3845
3619	$NOW = $tick_start = EV::now;
3620
3621	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
3622
3623	$RUNTIME += $TICK;
3624	$NEXT_TICK = $_[0]->at;
3625		3847
3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3628	Coro::async_pool {	3850	Coro::async_pool {
3629	$Coro::current->{desc} = "runtime saver";	3851	$Coro::current->{desc} = "runtime saver";
3630	write_runtime	3852	write_runtime_sync
3631	or warn "ERROR: unable to write runtime file: $!";	3853	or warn "ERROR: unable to write runtime file: $!";
3632	};	3854	};
3633	}	3855	}
3634		3856
3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3637	}	3859	}
3638	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
3639	$sig->send;	3861	$sig->send;
3640	}	3862	}
3641		3863
3642	$LOAD = ($NOW - $tick_start) / $TICK;	3864	$LOAD = ($NOW - $TICK_START) / $TICK;
3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3644		3866
3645	_post_tick;	3867	if (0) {
3646	};	3868	if ($NEXT_TICK) {
3647	$TICK_WATCHER->priority (EV::MAXPRI);	3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
		3873	}
		3874	}
3648		3875
3649	{	3876	{
3650	# configure BDB	3877	# configure BDB
3651		3878
3652	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
3653	BDB::max_poll_reqs $TICK * 0.1;	3880	BDB::max_poll_reqs $TICK * 0.1;
3654	$Coro::BDB::WATCHER->priority (1);	3881	$AnyEvent::BDB::WATCHER->priority (1);
3655		3882
3656	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
3657	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3659	| BDB::LOG_AUTOREMOVE, 1);	3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3662		3890
3663	cf::sync_job {	3891	cf::sync_job {
3664	eval {	3892	eval {
…		…
3690	{	3918	{
3691	# configure IO::AIO	3919	# configure IO::AIO
3692		3920
3693	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
3694	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
3695	$Coro::AIO::WATCHER->priority (1);	3923	undef $AnyEvent::AIO::WATCHER;
3696	}	3924	}
3697		3925
3698	my $_log_backtrace;	3926	my $_log_backtrace;
3699		3927
3700	sub _log_backtrace {	3928	sub _log_backtrace {
…		…
3703	$msg =~ s/\n//;	3931	$msg =~ s/\n//;
3704		3932
3705	# limit the # of concurrent backtraces	3933	# limit the # of concurrent backtraces
3706	if ($_log_backtrace < 2) {	3934	if ($_log_backtrace < 2) {
3707	++$_log_backtrace;	3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
3708	async {	3937	async {
3709	$Coro::current->{desc} = "abt $msg";	3938	$Coro::current->{desc} = "abt $msg";
3710		3939
3711	my @bt = fork_call {	3940	my @bt = fork_call {
3712	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
…		…
3723	}	3952	}
3724		3953
3725	@funcs	3954	@funcs
3726	};	3955	};
3727		3956
3728	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3729	LOG llevInfo, "[ABT] $_\n" for @bt;	3959	LOG llevInfo, "[ABT] $_\n" for @bt;
3730	--$_log_backtrace;	3960	--$_log_backtrace;
3731	};	3961	};
3732	} else {	3962	} else {
3733	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";

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