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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.406 by root, Mon Dec 17 08:27:44 2007 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;
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		226
195	LOG llevError, $msg;	227	LOG llevError, $msg;
196	};	228	};
197	}	229	}
		230
		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
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
198		245
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	256	for my $pkg (qw(
210	cf::global cf::attachable	257	cf::global cf::attachable
211	cf::object cf::object::player	258	cf::object cf::object::player
212	cf::client cf::player	259	cf::client cf::player
213	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
214	cf::map cf::party cf::region	262	cf::party cf::region
215	)) {	263	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	265	}
219		266
220	$EV::DIED = sub {	267	$EV::DIED = sub {
221	warn "error in event callback: @_";	268	warn "error in event callback: @_";
…		…
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		311
265	sub encode_json($) { $json_coder->encode ($_[0]) }	312	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub decode_json($) { $json_coder->decode ($_[0]) }	313	sub decode_json($) { $json_coder->decode ($_[0]) }
267		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
268	=item cf::lock_wait $string	329	=item cf::lock_wait $string
269		330
270	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
271		332
272	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
273		334
274	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
277	returned.	338	returned.
278		339
279	Locks are *not* recursive, locking from the same coro twice results in a	340	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	341	deadlocked coro.
…		…
299	return;#d#	360	return;#d#
300	}#d#	361	}#d#
301		362
302	# wait for lock, if any	363	# wait for lock, if any
303	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
304	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;	367	Coro::schedule;
306	}	368	}
307	}	369	}
308		370
…		…
313	lock_wait $key;	375	lock_wait $key;
314		376
315	$LOCK{$key} = [];	377	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#	378	$LOCKER{$key} = $Coro::current;#d#
317		379
318	Coro::guard {	380	Guard::guard {
319	delete $LOCKER{$key};#d#	381	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
322	}	384	}
323	}	385	}
…		…
327		389
328	! ! $LOCK{$key}	390	! ! $LOCK{$key}
329	}	391	}
330		392
331	sub freeze_mainloop {	393	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
333		395
334	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;
336	};
337	$TICK_WATCHER->stop;
338	$guard
339	}	397	}
340		398
341	=item cf::periodic $interval, $cb	399	=item cf::periodic $interval, $cb
342		400
343	Like EV::periodic, but randomly selects a starting point so that the actions	401	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
398	}	456	}
399	}	457	}
400	};	458	};
401		459
402	sub get_slot($;$$) {	460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
403	my ($time, $pri, $name) = @_;	463	my ($time, $pri, $name) = @_;
404		464
405	$time = $TICK * .6 if $time > $TICK * .6;	465	$time = $TICK * .6 if $time > $TICK * .6;
406	my $sig = new Coro::Signal;	466	my $sig = new Coro::Signal;
407		467
…		…
444	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
445	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
446		506
447	LOG llevError, Carp::longmess "sync job";#d#	507	LOG llevError, Carp::longmess "sync job";#d#
448		508
449	# TODO: use suspend/resume instead
450	# (but this is cancel-safe)
451	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
452		510
453	my $busy = 1;	511	my $busy = 1;
454	my @res;	512	my @res;
455		513
…		…
466	} else {	524	} else {
467	EV::loop EV::LOOP_ONESHOT;	525	EV::loop EV::LOOP_ONESHOT;
468	}	526	}
469	}	527	}
470		528
471	$time = EV::time - $time;	529	my $time = EV::time - $time;
472		530
473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
475
476	$tick_start += $time; # do not account sync jobs to server load	531	$TICK_START += $time; # do not account sync jobs to server load
477		532
478	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
479	} else {	534	} else {
480	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
481		536
…		…
523	reset_signals;	578	reset_signals;
524	&$cb	579	&$cb
525	}, @args;	580	}, @args;
526		581
527	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
528	}	610	}
529		611
530	=item $value = cf::db_get $family => $key	612	=item $value = cf::db_get $family => $key
531		613
532	Returns a single value from the environment database.	614	Returns a single value from the environment database.
…		…
671		753
672	#############################################################################	754	#############################################################################
673		755
674	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
675		757
676	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
677	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")
678	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
679		761
680	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>
681	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
…		…
731	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
732		814
733	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
734	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
735		817
736	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
737	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
738		820
739	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
740		822
741	=over 4	823	=over 4
…		…
1032		1114
1033	sub reattach {	1115	sub reattach {
1034	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
1035	my ($obj) = @_;	1117	my ($obj) = @_;
1036		1118
		1119	# no longer needed after getting rid of delete_package?
1037	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
1038		1121
1039	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
1040		1123
1041	@$registry = ();	1124	@$registry = ();
1042		1125
…		…
1088	utf8::decode (my $decname = $filename);	1171	utf8::decode (my $decname = $filename);
1089	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
1090	$decname, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
1091		1174
1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1093	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1095	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
1096	close $fh;	1179	aio_close $fh;
1097		1180
1098	if (@$objs) {	1181	if (@$objs) {
1099	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) {
1100	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1102	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
1103	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
1104	close $fh;	1187	aio_close $fh;
1105	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
1106	}	1189	}
1107	} else {	1190	} else {
1108	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1109	}	1192	}
1110		1193
1111	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
1112	} else {	1198	} else {
1113	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
1114	}	1200	}
1115	} else {	1201	} else {
1116	aio_unlink $filename;	1202	aio_unlink $filename;
…		…
1209	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
1210		1296
1211	$EXTICMD{$name} = $cb;	1297	$EXTICMD{$name} = $cb;
1212	}	1298	}
1213		1299
		1300	use File::Glob ();
		1301
1214	cf::player->attach (	1302	cf::player->attach (
1215	on_command => sub {	1303	on_command => sub {
1216	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
1217		1305
1218	my $cb = $COMMAND{$name}	1306	my $cb = $COMMAND{$name}
…		…
1250		1338
1251	cf::override;	1339	cf::override;
1252	},	1340	},
1253	);	1341	);
1254		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
1255	sub load_extensions {	1356	sub load_extensions {
1256	cf::sync_job {	1357	cf::sync_job {
1257	my %todo;	1358	my %todo;
1258		1359
1259	for my $path (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
…		…
1278		1379
1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1281		1382
1282	$ext{source} =	1383	$ext{source} =
1283	"package $pkg; use strict; use utf8;\n"	1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1284	. "#line 1 \"$path\"\n{\n"	1385	. "#line 1 \"$path\"\n{\n"
1285	. $source	1386	. $source
1286	. "\n};\n1";	1387	. "\n};\n1";
1287		1388
1288	$todo{$base} = \%ext;	1389	$todo{$base} = \%ext;
…		…
1304	my $msg = $@ ? "$v->{path}: $@\n"	1405	my $msg = $@ ? "$v->{path}: $@\n"
1305	: "$v->{base}: extension inactive.\n";	1406	: "$v->{base}: extension inactive.\n";
1306		1407
1307	if (exists $v->{meta}{mandatory}) {	1408	if (exists $v->{meta}{mandatory}) {
1308	warn $msg;	1409	warn $msg;
1309	warn "mandatory extension failed to load, exiting.\n";	1410	cf::cleanup "mandatory extension failed to load, exiting.";
1310	exit 1;
1311	}	1411	}
1312		1412
1313	warn $msg;	1413	warn $msg;
1314	}	1414	}
1315		1415
…		…
1329		1429
1330	=back	1430	=back
1331		1431
1332	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
1333		1433
1334	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
1335		1435
1336	=cut	1436	=cut
1337		1437
1338	package cf::player;	1438	package cf::player;
1339		1439
…		…
1382		1482
1383	sub exists($) {	1483	sub exists($) {
1384	my ($login) = @_;	1484	my ($login) = @_;
1385		1485
1386	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1387	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1388	}	1488	}
1389		1489
1390	sub find($) {	1490	sub find($) {
1391	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1392	my $login = $_[0];	1492	my $login = $_[0];
…		…
1404	my $f = new_from_file cf::object::thawer path $login	1504	my $f = new_from_file cf::object::thawer path $login
1405	or return;	1505	or return;
1406		1506
1407	my $pl = cf::player::load_pl $f	1507	my $pl = cf::player::load_pl $f
1408	or return;	1508	or return;
		1509
1409	local $cf::PLAYER_LOADING{$login} = $pl;	1510	local $cf::PLAYER_LOADING{$login} = $pl;
1410	$f->resolve_delayed_derefs;	1511	$f->resolve_delayed_derefs;
1411	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1412	}	1513	}
1413	}	1514	}
…		…
1423		1524
1424	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1425		1526
1426	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1427	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
		1529
		1530	cf::get_slot 0.01;
1428		1531
1429	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1430	cf::cede_to_tick;	1533	cf::cede_to_tick;
1431	}	1534	}
1432		1535
…		…
1464	my ($pl) = @_;	1567	my ($pl) = @_;
1465		1568
1466	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1467		1570
1468	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1469	$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
1470		1573
1471	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1472	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1473	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1474	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1475		1580
1476	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1477	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1516		1621
1517	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
1518	my $path = path $login;	1623	my $path = path $login;
1519		1624
1520	# a .pst is a dead give-away for a valid player	1625	# a .pst is a dead give-away for a valid player
1521	unless (-e "$path.pst") {	1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1523	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1524	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
1525	}	1631	}
1526		1632
…		…
1557	}	1663	}
1558		1664
1559	\@paths	1665	\@paths
1560	}	1666	}
1561		1667
1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1563		1669
1564	Expand crossfire pod fragments into protocol xml.	1670	Expand deliantra pod fragments into protocol xml.
1565
1566	=cut
1567
1568	use re 'eval';
1569
1570	my $group;
1571	my $interior; $interior = qr{
1572	# match a pod interior sequence sans C<< >>
1573	(?:
1574	\ (.*?)\ (?{ $group = $^N })
1575	| < (??{$interior}) >
1576	)
1577	}x;
1578
1579	sub expand_cfpod {
1580	my ($self, $pod) = @_;
1581
1582	my $xml;
1583
1584	while () {
1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1586	$group = $1;
1587
1588	$group =~ s/&/&amp;/g;
1589	$group =~ s/</&lt;/g;
1590
1591	$xml .= $group;
1592	} elsif ($pod =~ m%\G
1593	([BCGHITU])
1594	<
1595	(?:
1596	([^<>]*) (?{ $group = $^N })
1597	| < $interior >
1598	)
1599	>
1600	%gcsx
1601	) {
1602	my ($code, $data) = ($1, $group);
1603
1604	if ($code eq "B") {
1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1606	} elsif ($code eq "I") {
1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1608	} elsif ($code eq "U") {
1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1610	} elsif ($code eq "C") {
1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1612	} elsif ($code eq "T") {
1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1614	} elsif ($code eq "G") {
1615	my ($male, $female) = split /\|/, $data;
1616	$data = $self->gender ? $female : $male;
1617	$xml .= expand_cfpod ($self, $data);
1618	} elsif ($code eq "H") {
1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1621	"")
1622	[$self->{hintmode}];
1623	} else {
1624	$xml .= "error processing '$code($data)' directive";
1625	}
1626	} else {
1627	if ($pod =~ /\G(.+)/) {
1628	warn "parse error while expanding $pod (at $1)";
1629	}
1630	last;
1631	}
1632	}
1633
1634	for ($xml) {
1635	# create single paragraphs (very hackish)
1636	s/(?<=\S)\n(?=\w)/ /g;
1637
1638	# compress some whitespace
1639	s/\s+\n/\n/g; # ws line-ends
1640	s/\n\n+/\n/g; # double lines
1641	s/^\n+//; # beginning lines
1642	s/\n+$//; # ending lines
1643	}
1644
1645	$xml
1646	}
1647
1648	no re 'eval';
1649
1650	sub hintmode {
1651	$_[0]{hintmode} = $_[1] if @_ > 1;
1652	$_[0]{hintmode}
1653	}
1654		1671
1655	=item $player->ext_reply ($msgid, @msg)	1672	=item $player->ext_reply ($msgid, @msg)
1656		1673
1657	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1658		1675
…		…
1725	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1726	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1727		1744
1728	sub generate_random_map {	1745	sub generate_random_map {
1729	my ($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
1730	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1731	$self->_create_random_map (	1751	$self->_create_random_map (
1732	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1733	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1734	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1856		1876
1857	# the temporary/swap location	1877	# the temporary/swap location
1858	sub save_path {	1878	sub save_path {
1859	my ($self) = @_;	1879	my ($self) = @_;
1860		1880
1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1862	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1863	}	1883	}
1864		1884
1865	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1866	sub uniq_path {	1886	sub uniq_path {
1867	my ($self) = @_;	1887	my ($self) = @_;
1868		1888
1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1870	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1871	}	1891	}
1872		1892
1873	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1874	# all maps in C++...	1894	# all maps in C++...
…		…
1972		1992
1973	cf::lock_wait "map_data:$path";#d#remove	1993	cf::lock_wait "map_data:$path";#d#remove
1974	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1975		1995
1976	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
1977	my $guard1 = cf::lock_acquire "map_find:$path";
1978	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";
1979		1999
1980	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1981	or return;	2001	or return;
1982		2002
1983	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
…		…
1986	or return;	2006	or return;
1987		2007
1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1989	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1990	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
1991	undef $guard1;	2012	undef $guard1;
1992	undef $guard2;
1993	$map->reset;	2013	$map->reset;
1994	return find $path;	2014	return find $path;
1995	}	2015	}
1996		2016
1997	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
…		…
2024	my $f = new_from_file cf::object::thawer $self->{load_path};	2044	my $f = new_from_file cf::object::thawer $self->{load_path};
2025	$f->skip_block;	2045	$f->skip_block;
2026	$self->_load_objects ($f)	2046	$self->_load_objects ($f)
2027	or return;	2047	or return;
2028		2048
2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
2030	if delete $self->{load_original};	2050	if delete $self->{load_original};
2031		2051
2032	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
2033	utf8::encode $uniq;	2053	utf8::encode $uniq;
2034	unless (aio_stat $uniq) {	2054	unless (aio_stat $uniq) {
…		…
2060	}	2080	}
2061		2081
2062	$self->{last_save} = $cf::RUNTIME;	2082	$self->{last_save} = $cf::RUNTIME;
2063	$self->last_access ($cf::RUNTIME);	2083	$self->last_access ($cf::RUNTIME);
2064		2084
2065	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
2066	}	2086	}
2067		2087
2068	$self->post_load;	2088	$self->post_load;
2069	}	2089	}
2070		2090
…		…
2128	my ($path, $origin, $load) = @_;	2148	my ($path, $origin, $load) = @_;
2129		2149
2130	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
2131		2151
2132	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2134	}	2154	}
2135		2155
2136	$MAP_PREFETCH{$path} |= $load;	2156	$MAP_PREFETCH{$path} |= $load;
2137		2157
2138	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
…		…
2175	cf::async {	2195	cf::async {
2176	$Coro::current->{desc} = "map player save";	2196	$Coro::current->{desc} = "map player save";
2177	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
2178	};	2198	};
2179		2199
		2200	cf::get_slot 0.02;
		2201
2180	if ($uniq) {	2202	if ($uniq) {
2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2182	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2183	} else {	2205	} else {
2184	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2206	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2192	$self->save;	2214	$self->save;
2193		2215
2194	my $lock = cf::lock_acquire "map_data:$self->{path}";	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
2195		2217
2196	return if $self->players;	2218	return if $self->players;
2197	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
2198	return if $self->{deny_save};	2220	return if $self->{deny_save};
2199		2221
2200	$self->in_memory (cf::MAP_SWAPPED);	2222	$self->in_memory (cf::MAP_SWAPPED);
2201		2223
2202	$self->deactivate;	2224	$self->deactivate;
…		…
2320		2342
2321	sub unique_maps() {	2343	sub unique_maps() {
2322	[	2344	[
2323	map {	2345	map {
2324	utf8::decode $_;	2346	utf8::decode $_;
2325	/\.map$/	2347	s/\.map$//; # TODO future compatibility hack
		2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2349	? ()
2326	? normalise $_	2350	: normalise $_
2327	: ()
2328	} @{ aio_readdir $UNIQUEDIR or [] }	2351	} @{ aio_readdir $UNIQUEDIR or [] }
2329	]	2352	]
2330	}	2353	}
2331		2354
2332	package cf;
2333
2334	=back	2355	=back
2335		2356
2336	=head3 cf::object	2357	=head3 cf::object
2337		2358
2338	=cut	2359	=cut
…		…
2341		2362
2342	=over 4	2363	=over 4
2343		2364
2344	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
2345		2366
2346	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.
2347		2369
2348	=cut	2370	=cut
2349		2371
2350	sub inv_recursive_;	2372	sub inv_recursive_;
2351	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
2356	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
2357	}	2379	}
2358		2380
2359	=item $ref = $ob->ref	2381	=item $ref = $ob->ref
2360		2382
2361	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.
2362		2384
2363	=item $ob = cf::object::deref ($refstring)	2385	=item $ob = cf::object::deref ($refstring)
2364		2386
2365	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,
2366	even if the object actually exists. May block.	2388	even if the object actually exists. May block.
…		…
2398	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
2399	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
2400		2422
2401	=cut	2423	=cut
2402		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
2403	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
2404	# with dialog boxes.	2440	# with dialog boxes.
2405	#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
2406	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
2407	my ($self, $npc, $msg, $flags) = @_;	2443	my ($self, $npc, $msg, $flags) = @_;
…		…
2418	my $dialog = $pl->{npc_dialog};	2454	my $dialog = $pl->{npc_dialog};
2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2420		2456
2421	} else {	2457	} else {
2422	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
2423	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2424	}	2460	}
2425	}	2461	}
2426	}	2462	}
2427		2463
2428	=item $object->send_msg ($channel, $msg, $color, [extra...])	2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2453		2489
2454	=item $player_object->enter_link	2490	=item $player_object->enter_link
2455		2491
2456	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}>).
2457		2493
2458	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.
2459	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.
2460		2498
2461	Will never block.	2499	Will never block.
2462		2500
2463	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
2464		2502
…		…
2522		2560
2523	$map->load;	2561	$map->load;
2524	$map->load_neighbours;	2562	$map->load_neighbours;
2525		2563
2526	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2527	$self->activate_recursive;	2566	$self->activate_recursive;
2528		2567
2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2530	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
2531	}	2570	}
…		…
2535	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
2536	her, loading and preparing them map, calling the provided $check callback	2575	her, loading and preparing them map, calling the provided $check callback
2537	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
2538	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
2539	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 >>.
2540		2582
2541	=cut	2583	=cut
2542		2584
2543	our $GOTOGEN;	2585	our $GOTOGEN;
2544		2586
…		…
2623	}	2665	}
2624		2666
2625	sub prepare_random_map {	2667	sub prepare_random_map {
2626	my ($exit) = @_;	2668	my ($exit) = @_;
2627		2669
2628	my $guard = cf::lock_acquire "exit_prepare:$exit";
2629
2630	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
2631	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
2632	# that depends on the exit object	2672	# that depends on the exit object
2633		2673
2634	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
2636	if ($exit->map) {	2676	if ($exit->map) {
2637	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2638	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2639	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2640	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2641	}	2683	}
2642		2684
2643	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2644		2686
2645	my $data = cf::encode_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2646	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2647	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2648		2690
2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2650	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2651	undef $fh;	2693	undef $fh;
2652	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2653		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2654	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2655	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2656	}	2702	}
2657	}	2703	}
2658		2704
2659	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2660	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2661		2707
2662	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2663		2709
2664	if ($exit->slaying eq "/!") {
2665	#TODO: this should de-fi-ni-te-ly not be a sync-job
2666	# the problem is that $exit might not survive long enough
2667	# so it needs to be done right now, right here
2668	cf::sync_job { prepare_random_map $exit };
2669	}
2670
2671	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2672	my $hp = $exit->stats->hp;
2673	my $sp = $exit->stats->sp;
2674
2675	$self->enter_link;	2710	$self->enter_link;
2676		2711
2677	# if exit is damned, update players death & WoR home-position
2678	$self->contr->savebed ($slaying, $hp, $sp)
2679	if $exit->flag (FLAG_DAMNED);
2680
2681	(async {	2712	(async {
2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2713	$Coro::current->{desc} = "enter_exit";
2683		2714
2684	$self->deactivate_recursive; # just to be sure
2685	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
2686	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2687		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
2688	1;	2736	1
2689	}) {	2737	}) {
2690	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2691	. "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. "
2692	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2693	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2694		2742
2695	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2761	id => "infobox",	2809	id => "infobox",
2762	title => "Body Parts",	2810	title => "Body Parts",
2763	reply => undef,	2811	reply => undef,
2764	tooltip => "Shows which body parts you posess and are available",	2812	tooltip => "Shows which body parts you posess and are available",
2765	},	2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
2766	"c/uptime" => {	2820	"c/uptime" => {
2767	id => "infobox",	2821	id => "infobox",
2768	title => "Uptime",	2822	title => "Uptime",
2769	reply => undef,	2823	reply => undef,
2770	tooltip => "How long the server has been running since last restart",	2824	tooltip => "How long the server has been running since last restart",
…		…
2773	id => "infobox",	2827	id => "infobox",
2774	title => "Map Info",	2828	title => "Map Info",
2775	reply => undef,	2829	reply => undef,
2776	tooltip => "Information related to the maps",	2830	tooltip => "Information related to the maps",
2777	},	2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
2778	);	2838	);
2779		2839
2780	sub cf::client::send_msg {	2840	sub cf::client::send_msg {
2781	my ($self, $channel, $msg, $color, @extra) = @_;	2841	my ($self, $channel, $msg, $color, @extra) = @_;
2782		2842
2783	$msg = $self->pl->expand_cfpod ($msg);	2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
2784		2845
2785	$color &= cf::NDI_CLIENT_MASK; # just in case...	2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
2786		2847
2787	# check predefined channels, for the benefit of C	2848	# check predefined channels, for the benefit of C
2788	if ($CHANNEL{$channel}) {	2849	if ($CHANNEL{$channel}) {
…		…
2809	if ($self->can_msg) {	2870	if ($self->can_msg) {
2810	# default colour, mask it out	2871	# default colour, mask it out
2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2812	if $color & cf::NDI_DEF;	2873	if $color & cf::NDI_DEF;
2813		2874
2814	$self->send_packet ("msg " . $self->{json_coder}->encode (	2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
2815	[$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);
2816	} else {	2891	} else {
2817	if ($color >= 0) {	2892	if ($color >= 0) {
2818	# replace some tags by gcfclient-compatible ones	2893	# replace some tags by gcfclient-compatible ones
2819	for ($msg) {	2894	for ($msg) {
2820	1 while	2895	1 while
…		…
3019		3094
3020	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
3021		3096
3022	cf::object	3097	cf::object
3023	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
3024	insert remove name archname title slaying race decrease_ob_nr	3099	insert remove name archname title slaying race decrease split
3025		3100
3026	cf::object::player	3101	cf::object::player
3027	player	3102	player
3028		3103
3029	cf::player	3104	cf::player
…		…
3034		3109
3035	=cut	3110	=cut
3036		3111
3037	for (	3112	for (
3038	["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
3039	insert remove inv name archname title slaying race	3114	insert remove inv nrof name archname title slaying race
3040	decrease_ob_nr destroy)],	3115	decrease split destroy change_exp)],
3041	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
3042	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
3043	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
3044	) {	3119	) {
3045	no strict 'refs';	3120	no strict 'refs';
…		…
3253	while (my ($k, $v) = each %$want) {	3328	while (my ($k, $v) = each %$want) {
3254	$ns->fx_want ($k, $v);	3329	$ns->fx_want ($k, $v);
3255	}	3330	}
3256	};	3331	};
3257		3332
		3333	sub load_resource_file($) {
		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	$status
		3341	}
		3342
3258	sub reload_regions {	3343	sub reload_regions {
3259	# HACK to clear player env face cache, we need some signal framework	3344	# HACK to clear player env face cache, we need some signal framework
3260	# for this (global event?)	3345	# for this (global event?)
3261	%ext::player_env::MUSIC_FACE_CACHE = ();	3346	%ext::player_env::MUSIC_FACE_CACHE = ();
3262		3347
…		…
3275	}	3360	}
3276		3361
3277	sub reload_archetypes {	3362	sub reload_archetypes {
3278	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
3279	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
3280	#d# NEED to laod twice to resolve forward references
3281	# this really needs to be done in an extra post-pass
3282	# (which needs to be synchronous, so solve it differently)
3283	load_resource_file "$DATADIR/archetypes"
3284	or die "unable to load archetypes\n";
3285	}	3365	}
3286		3366
3287	sub reload_treasures {	3367	sub reload_treasures {
3288	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
3289	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
3290	}	3370	}
3291		3371
3292	sub reload_resources {	3372	sub reload_resources {
3293	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
3294		3374
		3375	reload_facedata;
		3376	reload_archetypes;
3295	reload_regions;	3377	reload_regions;
3296	reload_facedata;
3297	#reload_archetypes;#d#
3298	reload_archetypes;
3299	reload_treasures;	3378	reload_treasures;
3300		3379
3301	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
3302	}
3303
3304	sub init {
3305	reload_resources;
3306	}	3381	}
3307		3382
3308	sub reload_config {	3383	sub reload_config {
3309	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
3310	or return;	3385	or return;
3311		3386
3312	local $/;	3387	local $/;
3313	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
3314		3389
3315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3316		3391
3317	$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};
3318	$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};
…		…
3324	};	3399	};
3325	warn $@ if $@;	3400	warn $@ if $@;
3326	}	3401	}
3327	}	3402	}
3328		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
3329	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
3330	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
3331	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
3332	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#
3333	(async {	3442	(async {
3334	$Coro::current->{desc} = "IDLE BUG HANDLER";	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
3335	EV::loop EV::LOOP_ONESHOT;	3444	EV::loop EV::LOOP_ONESHOT;
3336	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
3337	};	3446	};
3338		3447
		3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
3339	reload_config;	3452	reload_config;
3340	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
3341	load_extensions;	3466	load_extensions;
3342		3467
3343	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
3344	$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
3345	EV::loop;	3476	EV::loop;
3346	}	3477	}
3347		3478
3348	#############################################################################	3479	#############################################################################
3349	# initialisation and cleanup	3480	# initialisation and cleanup
…		…
3356	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
3357	};	3488	};
3358	}	3489	}
3359	}	3490	}
3360		3491
3361	sub write_runtime {	3492	sub write_runtime_sync {
3362	my $runtime = "$LOCALDIR/runtime";
3363
3364	# first touch the runtime file to show we are still running:	3493	# first touch the runtime file to show we are still running:
3365	# the fsync below can take a very very long time.	3494	# the fsync below can take a very very long time.
3366		3495
3367	IO::AIO::aio_utime $runtime, undef, undef;	3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3368		3497
3369	my $guard = cf::lock_acquire "write_runtime";	3498	my $guard = cf::lock_acquire "write_runtime";
3370		3499
3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3372	or return;	3501	or return;
3373		3502
3374	my $value = $cf::RUNTIME + 90 + 10;	3503	my $value = $cf::RUNTIME + 90 + 10;
3375	# 10 is the runtime save interval, for a monotonic clock	3504	# 10 is the runtime save interval, for a monotonic clock
3376	# 60 allows for the watchdog to kill the server.	3505	# 60 allows for the watchdog to kill the server.
…		…
3386	aio_utime $fh, undef, undef;	3515	aio_utime $fh, undef, undef;
3387		3516
3388	close $fh	3517	close $fh
3389	or return;	3518	or return;
3390		3519
3391	aio_rename "$runtime~", $runtime	3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3392	and return;	3521	and return;
3393		3522
3394	warn "runtime file written.\n";	3523	warn "runtime file written.\n";
3395		3524
3396	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 };
3397	}	3576	}
3398		3577
3399	sub emergency_save() {	3578	sub emergency_save() {
3400	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
3401		3580
3402	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
3403		3582
3404	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
3405	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
3406	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
3407	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
3408	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
3409	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
3410	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
3411	$pl->valid or next;	3595	$pl->valid or next;
3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3413	$pl->save;	3597	$pl->save;
3414	}	3598	}
3415	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
3416		3600
3417	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
3418	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
3419	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
3420	$map->valid or next;	3604	$map->valid or next;
3421	$map->save;	3605	$map->save;
3422	}	3606	}
3423	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
3424		3608
3425	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
3426	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
3427	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
3428	};	3616	};
3429		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
3430	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
3431	}	3624	}
3432		3625
3433	sub post_cleanup {	3626	sub post_cleanup {
3434	my ($make_core) = @_;	3627	my ($make_core) = @_;
3435		3628
3436	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
3437	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 $pkg\n";#d#
3438	}	3660	}
3439		3661
3440	sub do_reload_perl() {	3662	sub do_reload_perl() {
3441	# can/must only be called in main	3663	# can/must only be called in main
3442	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
3443	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
3444	return;	3666	return;
3445	}	3667	}
3446		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
3447	warn "reloading...";	3674	warn "reloading...";
3448		3675
3449	warn "entering sync_job";	3676	warn "entering sync_job";
3450		3677
3451	cf::sync_job {	3678	cf::sync_job {
3452	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
3453	cf::emergency_save;	3680	cf::emergency_save;
3454	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
3455		3682
3456	warn "syncing database to disk";	3683	warn "syncing database to disk";
3457	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
3458		3685
3459	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
3460		3687
3461	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
3462	for (;;) {
3463	BDB::flush;
3464	IO::AIO::flush;
3465	Coro::cede_notself;
3466	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
3467	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3468	}
3469
3470	++$RELOAD;
3471
3472	warn "cancelling all extension coros";
3473	$_->cancel for values %EXT_CORO;
3474	%EXT_CORO = ();
3475
3476	warn "removing commands";
3477	%COMMAND = ();
3478
3479	warn "removing ext/exti commands";
3480	%EXTCMD = ();
3481	%EXTICMD = ();
3482
3483	warn "unloading/nuking all extensions";
3484	for my $pkg (@EXTS) {
3485	warn "... unloading $pkg";
3486
3487	if (my $cb = $pkg->can ("unload")) {
3488	eval {
3489	$cb->($pkg);
3490	1
3491	} or warn "$pkg unloaded, but with errors: $@";
3492	}	3691	}
3493		3692
3494	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
3495	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
3496	}	3695	%EXT_CORO = ();
3497		3696
3498	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
3499	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
3500	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3501		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
3502	warn "... unloading $k";	3706	warn "... unloading $pkg";
3503	delete $INC{$k};
3504		3707
3505	$k =~ s/\.pm$//;
3506	$k =~ s/\//::/g;
3507
3508	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
3509	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
3510	}	3717	}
3511		3718
3512	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 $k;
3513	}	3734	}
3514		3735
3515	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
3516	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
3517	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);
3518		3739
3519	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
3520	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
3521	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
3522		3743
3523	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
3524	# and global variables created in xs	3745	# and global variables created in xs
3525	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
3526		3747
3527	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
3528		3749
3529	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
3530	require cf;	3751	require cf;
3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3532		3753
3533	warn "loading config and database again";	3754	warn "loading config and database again";
3534	cf::reload_config;	3755	cf::reload_config;
3535		3756
3536	warn "loading extensions";	3757	warn "loading extensions";
3537	cf::load_extensions;	3758	cf::load_extensions;
3538		3759
		3760	if ($REATTACH_ON_RELOAD) {
3539	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
3540	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
3541	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
3542	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
3543	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
3544	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
3545		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
3546	warn "leaving sync_job";	3772	warn "leaving sync_job";
3547		3773
3548	1	3774	1
3549	} or do {	3775	} or do {
3550	warn $@;	3776	warn $@;
3551	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
3552	exit 1;
3553	};	3778	};
3554		3779
3555	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
3556	};	3786	};
3557		3787
3558	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
3559		3789
3560	sub reload_perl() {	3790	sub reload_perl() {
3561	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
3562	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
3563		3793
		3794	$RELOAD_WATCHER ||= cf::async {
		3795	Coro::AIO::aio_wait cache_extensions;
		3796
3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3798	do_reload_perl;
3565	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
3566	do_reload_perl;	3800	};
3567	};	3801	};
3568	}	3802	}
3569		3803
3570	register_command "reload" => sub {	3804	register_command "reload" => sub {
3571	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
…		…
3585		3819
3586	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
3587	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
3588		3822
3589	sub wait_for_tick {	3823	sub wait_for_tick {
3590	return unless $TICK_WATCHER->is_active;
3591	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
3592		3825
3593	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
3594	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
3595	$signal->wait;	3828	$signal->wait;
3596	}	3829	}
3597		3830
3598	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
3599	return unless $TICK_WATCHER->is_active;
3600	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
3601		3833
3602	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
3603	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
3604	$signal->wait;	3836	$signal->wait;
3605	}	3837	}
3606		3838
3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3839	sub tick {
3608	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3610	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
3611	return;	3843	return;
3612	}	3844	}
3613		3845
3614	$NOW = $tick_start = EV::now;
3615
3616	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
3617
3618	$RUNTIME += $TICK;
3619	$NEXT_TICK = $_[0]->at;
3620		3847
3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3622	$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.;
3623	Coro::async_pool {	3850	Coro::async_pool {
3624	$Coro::current->{desc} = "runtime saver";	3851	$Coro::current->{desc} = "runtime saver";
3625	write_runtime	3852	write_runtime_sync
3626	or warn "ERROR: unable to write runtime file: $!";	3853	or warn "ERROR: unable to write runtime file: $!";
3627	};	3854	};
3628	}	3855	}
3629		3856
3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3632	}	3859	}
3633	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
3634	$sig->send;	3861	$sig->send;
3635	}	3862	}
3636		3863
3637	$LOAD = ($NOW - $tick_start) / $TICK;	3864	$LOAD = ($NOW - $TICK_START) / $TICK;
3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3639		3866
3640	_post_tick;	3867	if (0) {
3641	};	3868	if ($NEXT_TICK) {
3642	$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	}
3643		3875
3644	{	3876	{
3645	# configure BDB	3877	# configure BDB
3646		3878
3647	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
3648	BDB::max_poll_reqs $TICK * 0.1;	3880	BDB::max_poll_reqs $TICK * 0.1;
3649	$Coro::BDB::WATCHER->priority (1);	3881	$AnyEvent::BDB::WATCHER->priority (1);
3650		3882
3651	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
3652	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3654	| 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;
3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3657		3890
3658	cf::sync_job {	3891	cf::sync_job {
3659	eval {	3892	eval {
…		…
3685	{	3918	{
3686	# configure IO::AIO	3919	# configure IO::AIO
3687		3920
3688	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
3689	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
3690	$Coro::AIO::WATCHER->priority (1);	3923	undef $AnyEvent::AIO::WATCHER;
3691	}	3924	}
3692		3925
3693	my $_log_backtrace;	3926	my $_log_backtrace;
3694		3927
3695	sub _log_backtrace {	3928	sub _log_backtrace {
…		…
3698	$msg =~ s/\n//;	3931	$msg =~ s/\n//;
3699		3932
3700	# limit the # of concurrent backtraces	3933	# limit the # of concurrent backtraces
3701	if ($_log_backtrace < 2) {	3934	if ($_log_backtrace < 2) {
3702	++$_log_backtrace;	3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
3703	async {	3937	async {
3704	$Coro::current->{desc} = "abt $msg";	3938	$Coro::current->{desc} = "abt $msg";
3705		3939
3706	my @bt = fork_call {	3940	my @bt = fork_call {
3707	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
…		…
3718	}	3952	}
3719		3953
3720	@funcs	3954	@funcs
3721	};	3955	};
3722		3956
3723	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3724	LOG llevInfo, "[ABT] $_\n" for @bt;	3959	LOG llevInfo, "[ABT] $_\n" for @bt;
3725	--$_log_backtrace;	3960	--$_log_backtrace;
3726	};	3961	};
3727	} else {	3962	} else {
3728	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";

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