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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.143 by root, Sun Jan 7 02:39:14 2007 UTC vs.
Revision 1.504 by root, Sat Jan 30 23:50:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	115	our $NEXT_TICK;
45	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
46		124
47	our %CFG;	125	our %CFG;
48		126
49	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
51		130
52	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	133	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	134
56	our %EXT_CORO; # coroutines bound to extensions	135	# used to convert map paths into valid unix filenames by replacing / by ∕
		136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
57		147
58	binmode STDOUT;	148	binmode STDOUT;
59	binmode STDERR;	149	binmode STDERR;
60		150
61	# read virtual server time, if available	151	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
66	}	156	}
67		157
68	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		159
74	# a special map that is always available	160	mkdir $_
75	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
76	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
		164
		165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
77		177
78	#############################################################################	178	#############################################################################
79		179
80	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
81		181
…		…
88	=item $cf::RUNTIME	188	=item $cf::RUNTIME
89		189
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	191	every server tick.
92		192
93	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		196
95	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
97		201
98	=item $cf::NOW	202	=item $cf::NOW
99		203
100	The time of the last (current) server tick.	204	The time of the last (current) server tick.
101		205
102	=item $cf::TICK	206	=item $cf::TICK
103		207
104	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
105		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
106	=item %cf::CFG	220	=item %cf::CFG
107		221
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	223	from wherever your confdir points to.
110		224
		225	=item cf::wait_for_tick, cf::wait_for_tick_begin
		226
		227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		228	returns directly I<after> the tick processing (and consequently, can only wake one process
		229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
111	=back	243	=back
112		244
113	=cut	245	=cut
114		246
115	BEGIN {	247	$Coro::State::WARNHOOK = sub {
116	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	248	my $msg = join "", @_;
118	utf8::encode $msg;
119		249
120	$msg .= "\n"	250	$msg .= "\n"
121	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
122		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
123	LOG llevError, "cfperl: $msg";	255	LOG llevError, $msg;
124	};	256	};
125	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
126		271
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		279
134	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	281	# within the Safe compartment.
136	for my $pkg (qw(	282	for my $pkg (qw(
137	cf::global cf::attachable	283	cf::global cf::attachable
138	cf::object cf::object::player	284	cf::object cf::object::player
139	cf::client cf::player	285	cf::client cf::player
140	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
141	cf::map cf::party cf::region	288	cf::party cf::region
142	)) {	289	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	291	}
146		292
147	$Event::DIED = sub {	293	$EV::DIED = sub {
148	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
149	};	295	};
150		296
151	my %ext_pkg;	297	#############################################################################
152	my @exts;
153	my @hook;
154		298
155	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
156		300
157	=over 4	301	=over 4
158		302
159	=cut	303	=item dumpval $ref
160		304
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	305	=cut
162		306
		307	sub dumpval {
		308	eval {
		309	local $SIG{__DIE__};
		310	my $d;
		311	if (1) {
		312	$d = new Data::Dumper([$_[0]], ["*var"]);
		313	$d->Terse(1);
		314	$d->Indent(2);
		315	$d->Quotekeys(0);
		316	$d->Useqq(1);
		317	#$d->Bless(...);
		318	$d->Seen($_[1]) if @_ > 1;
		319	$d = $d->Dump();
		320	}
		321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		322	$d
		323	} || "[unable to dump $_[0]: '$@']";
		324	}
		325
163	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
164		327
165	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
166		329
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
175		331
176	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
177		333
178	=cut	334	=cut
179		335
180	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
182	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
183	}	353	}
184		354
185	=item cf::lock_wait $string	355	=item cf::lock_wait $string
186		356
187	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
188		358
189	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
190		360
191	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
193	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
194	returned.	364	returned.
195		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
196	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
198		371
199	=cut	372	=item $locked = cf::lock_active $string
200		373
201	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
202		379
203	sub lock_wait($) {	380	sub lock_wait($) {
204	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	382	}
212		383
213	sub lock_acquire($) {	384	sub lock_acquire($) {
214	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
215		387
216	# wait, to be sure we are not locked	388	sub lock_active($) {
217	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	390	}
226		391
227	sub freeze_mainloop {	392	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
229		394
230	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	396	}
232	$guard	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
		462	}
		463	};
		464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
233	}	478	}
234		479
235	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
236		481
237	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		487
243	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
244		489
245	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
246		491
247	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
250		496
251	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
254	fast or be very important.	500	fast or be very important.
…		…
257		503
258	sub sync_job(&) {	504	sub sync_job(&) {
259	my ($job) = @_;	505	my ($job) = @_;
260		506
261	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
262	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
264		512
265	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	514
267	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
268		516
269	my $busy = 1;	517	my $busy = 1;
270	my @res;	518	my @res;
271		519
272	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	522	@res = eval { $job->() };
274	warn $@ if $@;	523	warn $@ if $@;
275	undef $busy;	524	undef $busy;
276	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
277		526
278	while ($busy) {	527	while ($busy) {
279	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
280	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
281		538
282	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
283	} else {	540	} else {
284	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
285		542
…		…
287	}	544	}
288	}	545	}
289		546
290	=item $coro = cf::async_ext { BLOCK }	547	=item $coro = cf::async_ext { BLOCK }
291		548
292	Like async, but this coro is automcatially being canceled when the	549	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	550	extension calling this is being unloaded.
294		551
295	=cut	552	=cut
296		553
297	sub async_ext(&) {	554	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
306		563
307	$coro	564	$coro
308	}	565	}
309		566
310	sub write_runtime {	567	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		568
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
314	or return;	570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
315		573
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		575
320	aio_fsync $fh	576	sub fork_call(&@) {
321	and return;	577	my ($cb, @args) = @_;
322		578
323	close $fh	579	# we seemingly have to make a local copy of the whole thing,
324	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
325		582
326	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
327	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
328		587
		588	wantarray ? @res : $res[-1]
		589	}
		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
329	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
		743	}
		744
		745	=item cf::datalog type => key => value, ...
		746
		747	Log a datalog packet of the given type with the given key-value pairs.
		748
		749	=cut
		750
		751	sub datalog($@) {
		752	my ($type, %kv) = @_;
		753	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	754	}
331		755
332	=back	756	=back
333		757
334	=cut	758	=cut
335		759
336	#############################################################################	760	#############################################################################
337		761
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
459		763
460	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
461	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
463		767
464	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	770	Deliantra).
467		771
468	=over 4	772	=over 4
469		773
470	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
471		775
…		…
515	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
516		820
517	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
519		823
520	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
521	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
522		826
523	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
524		828
525	=over 4	829	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	890	our @CB_MAP = ();
587		891
588	my %attachment;	892	my %attachment;
589		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
590	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
592		902
593	use sort 'stable';	903	use sort 'stable';
594		904
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
629		939
630	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		944
635	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	946	my $pkg = shift @arg;
637		947
638	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
668	}	978	}
669		979
670	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
671	} else {	981	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	983	}
674		984
675	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
676	}	986	}
677		987
…		…
679	if (ref $_[0]) {	989	if (ref $_[0]) {
680	_object_attach @_;	990	_object_attach @_;
681	} else {	991	} else {
682	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
683	}	993	}
		994	_recalc_want;
684	};	995	};
685		996
686	# all those should be optimised	997	# all those should be optimised
687	sub cf::attachable::detach {	998	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
692	reattach ($obj);	1003	reattach ($obj);
693	} else {	1004	} else {
694	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
695	}	1006	}
		1007	_recalc_want;
696	};	1008	};
697		1009
698	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
700		1012
…		…
715	";	1027	";
716	die if $@;	1028	die if $@;
717	}	1029	}
718		1030
719	our $override;	1031	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1033
722	sub override {	1034	sub override {
723	$override = 1;	1035	$override = 1;
724	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
725	}	1037	}
726		1038
727	sub do_invoke {	1039	sub do_invoke {
728	my $event = shift;	1040	my $event = shift;
729	my $callbacks = shift;	1041	my $callbacks = shift;
730		1042
731	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
732		1044
733	local $override;	1045	local $override;
734		1046
735	for (@$callbacks) {	1047	for (@$callbacks) {
736	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
745	}	1057	}
746		1058
747	0	1059	0
748	}	1060	}
749		1061
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1063
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1065
754	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
755		1067
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1071
760	=back	1072	=back
761		1073
762	=cut	1074	=cut
763		1075
764	#############################################################################	1076	#############################################################################
765	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
766		1120
767	sub reattach {	1121	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1123	my ($obj) = @_;
		1124
		1125	# no longer needed after getting rid of delete_package?
		1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1127
771	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
772		1129
773	@$registry = ();	1130	@$registry = ();
774		1131
…		…
789	cf::attachable->attach (	1146	cf::attachable->attach (
790	prio => -1000000,	1147	prio => -1000000,
791	on_instantiate => sub {	1148	on_instantiate => sub {
792	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
793		1150
794	$data = from_json $data;	1151	$data = decode_json $data;
795		1152
796	for (@$data) {	1153	for (@$data) {
797	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
798		1155
799	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1172	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
817		1174
818	sync_job {	1175	sync_job {
819	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
822		1180
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
826	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
827	close $fh;	1188	aio_close $fh;
828		1189
829	if (@$objs) {	1190	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
		1195	if ($cf::USE_FSYNC) {
		1196	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
834	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
835	close $fh;	1199	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
837	}	1201	}
838	} else {	1202	} else {
839	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
840	}	1204	}
841		1205
842	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1210	} else {
844	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
845	}	1212	}
846	} else {	1213	} else {
847	aio_unlink $filename;	1214	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
849	}	1216	}
850	}	1217	};
851	}	1218	}
852		1219
853	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
855		1222
…		…
867	or return;	1234	or return;
868		1235
869	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
871	or return;	1238	or return;
		1239
872	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
873	}	1242	}
874		1243
		1244	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
877	return ($data, $av);	1248	($data, $av)
878	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
879		1256
880	#############################################################################	1257	#############################################################################
881	# command handling &c	1258	# command handling &c
882		1259
883	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1274	}
898		1275
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1277
901	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
902		1283
903	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
904	called.	1285	called.
905		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
906	=cut	1298	=cut
907		1299
908	sub register_extcmd {	1300	sub register_extcmd {
909	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
910		1302
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1303	$EXTCMD{$name} = $cb;
915	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
916		1313
917	cf::player->attach (	1314	cf::player->attach (
918	on_command => sub {	1315	on_command => sub {
919	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
920		1317
…		…
928	cf::override;	1325	cf::override;
929	},	1326	},
930	on_extcmd => sub {	1327	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
932		1329
933	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1331
935	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
941	} else {	1347	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1349	}
944		1350
945	cf::override;	1351	cf::override;
946	},	1352	},
947	);	1353	);
948		1354
949	sub register {	1355	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1356	sub cache_extensions {
956	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
957		1358
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1362	}
1008	}	1363	};
1009		1364
1010	# remove extcmds	1365	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	1366	}
1024		1367
1025	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
1026	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1373	next unless -r $path;
1028	eval {	1374
1029	load_extension $ext;	1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my %done;
		1405	while (%todo) {
		1406	my $progress;
		1407
		1408	while (my ($k, $v) = each %todo) {
		1409	for (split /,\s*/, $v->{meta}{depends}) {
		1410	goto skip
		1411	unless exists $done{$_};
		1412	}
		1413
		1414	warn "... loading '$k' into '$v->{pkg}'\n";
		1415
		1416	unless (eval $v->{source}) {
		1417	my $msg = $@ ? "$v->{path}: $@\n"
		1418	: "$v->{base}: extension inactive.\n";
		1419
		1420	if (exists $v->{meta}{mandatory}) {
		1421	warn $msg;
		1422	cf::cleanup "mandatory extension failed to load, exiting.";
		1423	}
		1424
		1425	warn $msg;
		1426	}
		1427
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
1030	1	1431	}
1031	} or warn "$ext not loaded: $@";	1432
		1433	skip:
		1434	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1435	unless $progress;
		1436	}
1032	}	1437	};
1033	}	1438	}
1034		1439
1035	#############################################################################	1440	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1441
1038	*cf::mapsupport::on_clean = sub {	1442	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1443
1073	=head2 CORE EXTENSIONS	1444	=head2 CORE EXTENSIONS
1074		1445
1075	Functions and methods that extend core crossfire objects.	1446	Functions and methods that extend core deliantra objects.
1076		1447
1077	=cut	1448	=cut
1078		1449
1079	package cf::player;	1450	package cf::player;
1080		1451
		1452	use Coro::AIO;
		1453
1081	=head3 cf::player	1454	=head3 cf::player
1082		1455
1083	=over 4	1456	=over 4
1084		1457
		1458	=item cf::player::num_playing
		1459
		1460	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1461
		1462	=cut
		1463
		1464	sub num_playing {
		1465	scalar grep
		1466	$_->ob->map
		1467	&& !$_->hidden
		1468	&& !$_->ob->flag (cf::FLAG_WIZ),
		1469	cf::player::list
		1470	}
		1471
1085	=item cf::player::find $login	1472	=item cf::player::find $login
1086		1473
1087	Returns the given player object, loading it if necessary (might block).	1474	Returns the given player object, loading it if necessary (might block).
1088		1475
1089	=cut	1476	=cut
1090		1477
		1478	sub playerdir($) {
		1479	"$PLAYERDIR/"
		1480	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1481	}
		1482
1091	sub path($) {	1483	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	1484	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	1485
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	1486	(playerdir $login) . "/playerdata"
1095	}	1487	}
1096		1488
1097	sub find_active($) {	1489	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	1490	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	1491	and $cf::PLAYER{$_[0]}->active
…		…
1102		1494
1103	sub exists($) {	1495	sub exists($) {
1104	my ($login) = @_;	1496	my ($login) = @_;
1105		1497
1106	$cf::PLAYER{$login}	1498	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	1499	or !aio_stat path $login
1108	}	1500	}
1109		1501
1110	sub find($) {	1502	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	1503	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	1504	my $login = $_[0];
1113		1505
1114	my $guard = cf::lock_acquire "user_find:$login";	1506	my $guard = cf::lock_acquire "user_find:$login";
1115		1507
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1508	$cf::PLAYER{$_[0]} || do {
		1509	# rename old playerfiles to new ones
		1510	#TODO: remove when no longer required
		1511	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1512	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1513	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1514	aio_unlink +(playerdir $login) . "/$login.pl";
		1515
		1516	my $f = new_from_file cf::object::thawer path $login
		1517	or return;
		1518
		1519	my $pl = cf::player::load_pl $f
		1520	or return;
		1521
		1522	local $cf::PLAYER_LOADING{$login} = $pl;
		1523	$f->resolve_delayed_derefs;
		1524	$cf::PLAYER{$login} = $pl
		1525	}
1117	};	1526	}
1118	}	1527	}
1119		1528
1120	sub save($) {	1529	sub save($) {
1121	my ($pl) = @_;	1530	my ($pl) = @_;
1122		1531
…		…
1124		1533
1125	my $path = path $pl;	1534	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1535	my $guard = cf::lock_acquire "user_save:$path";
1127		1536
1128	return if $pl->{deny_save};	1537	return if $pl->{deny_save};
		1538
		1539	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1540	$pl->{last_save} = $cf::RUNTIME;
1130		1541
1131	Coro::cede;	1542	cf::get_slot 0.01;
		1543
1132	$pl->save_pl ($path);	1544	$pl->save_pl ($path);
1133	Coro::cede;	1545	cf::cede_to_tick;
1134	}	1546	}
1135		1547
1136	sub new($) {	1548	sub new($) {
1137	my ($login) = @_;	1549	my ($login) = @_;
1138		1550
…		…
1144	$cf::PLAYER{$login} = $self;	1556	$cf::PLAYER{$login} = $self;
1145		1557
1146	$self	1558	$self
1147	}	1559	}
1148		1560
		1561	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1562
		1563	=cut
		1564
		1565	sub send_msg {
		1566	my $ns = shift->ns
		1567	or return;
		1568	$ns->send_msg (@_);
		1569	}
		1570
		1571	=item $pl->quit_character
		1572
		1573	Nukes the player without looking back. If logged in, the connection will
		1574	be destroyed. May block for a long time.
		1575
		1576	=cut
		1577
		1578	sub quit_character {
		1579	my ($pl) = @_;
		1580
		1581	my $name = $pl->ob->name;
		1582
		1583	$pl->{deny_save} = 1;
		1584	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1585
		1586	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1587	$pl->deactivate;
		1588	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1589	$pl->ob->check_score;
		1590	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1591	$pl->ns->destroy if $pl->ns;
		1592
		1593	my $path = playerdir $pl;
		1594	my $temp = "$path~$cf::RUNTIME~deleting~";
		1595	aio_rename $path, $temp;
		1596	delete $cf::PLAYER{$pl->ob->name};
		1597	$pl->destroy;
		1598
		1599	my $prefix = qr<^~\Q$name\E/>;
		1600
		1601	# nuke player maps
		1602	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1603
		1604	IO::AIO::aio_rmtree $temp;
		1605	}
		1606
		1607	=item $pl->kick
		1608
		1609	Kicks a player out of the game. This destroys the connection.
		1610
		1611	=cut
		1612
		1613	sub kick {
		1614	my ($pl, $kicker) = @_;
		1615
		1616	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1617	$pl->killer ("kicked");
		1618	$pl->ns->destroy;
		1619	}
		1620
		1621	=item cf::player::list_logins
		1622
		1623	Returns am arrayref of all valid playernames in the system, can take a
		1624	while and may block, so not sync_job-capable, ever.
		1625
		1626	=cut
		1627
		1628	sub list_logins {
		1629	my $dirs = aio_readdir $PLAYERDIR
		1630	or return [];
		1631
		1632	my @logins;
		1633
		1634	for my $login (@$dirs) {
		1635	my $path = path $login;
		1636
		1637	# a .pst is a dead give-away for a valid player
		1638	# if no pst file found, open and chekc for blocked users
		1639	if (aio_stat "$path.pst") {
		1640	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1641	aio_read $fh, 0, 512, my $buf, 0 or next;
		1642	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1643	}
		1644
		1645	utf8::decode $login;
		1646	push @logins, $login;
		1647	}
		1648
		1649	\@logins
		1650	}
		1651
		1652	=item $player->maps
		1653
		1654	Returns an arrayref of map paths that are private for this
		1655	player. May block.
		1656
		1657	=cut
		1658
		1659	sub maps($) {
		1660	my ($pl) = @_;
		1661
		1662	$pl = ref $pl ? $pl->ob->name : $pl;
		1663
		1664	my $files = aio_readdir playerdir $pl
		1665	or return;
		1666
		1667	my @paths;
		1668
		1669	for (@$files) {
		1670	utf8::decode $_;
		1671	next if /\.(?:pl|pst)$/;
		1672	next unless /^$PATH_SEP/o;
		1673
		1674	push @paths, cf::map::normalise "~$pl/$_";
		1675	}
		1676
		1677	\@paths
		1678	}
		1679
		1680	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1681
		1682	Expand deliantra pod fragments into protocol xml.
		1683
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1684	=item $player->ext_reply ($msgid, @msg)
1150		1685
1151	Sends an ext reply to the player.	1686	Sends an ext reply to the player.
1152		1687
1153	=cut	1688	=cut
1154		1689
1155	sub ext_reply($$$%) {	1690	sub ext_reply($$@) {
1156	my ($self, $id, %msg) = @_;	1691	my ($self, $id, @msg) = @_;
1157		1692
1158	$msg{msgid} = $id;	1693	$self->ns->ext_reply ($id, @msg)
1159
1160	$self->send ("ext " . cf::to_json \%msg);
1161	}	1694	}
1162		1695
1163	package cf;	1696	=item $player->ext_msg ($type, @msg)
		1697
		1698	Sends an ext event to the client.
		1699
		1700	=cut
		1701
		1702	sub ext_msg($$@) {
		1703	my ($self, $type, @msg) = @_;
		1704
		1705	$self->ns->ext_msg ($type, @msg);
		1706	}
		1707
		1708	=head3 cf::region
		1709
		1710	=over 4
		1711
		1712	=cut
		1713
		1714	package cf::region;
		1715
		1716	=item cf::region::find_by_path $path
		1717
		1718	Tries to decuce the likely region for a map knowing only its path.
		1719
		1720	=cut
		1721
		1722	sub find_by_path($) {
		1723	my ($path) = @_;
		1724
		1725	my ($match, $specificity);
		1726
		1727	for my $region (list) {
		1728	if ($region->{match} && $path =~ $region->{match}) {
		1729	($match, $specificity) = ($region, $region->specificity)
		1730	if $region->specificity > $specificity;
		1731	}
		1732	}
		1733
		1734	$match
		1735	}
1164		1736
1165	=back	1737	=back
1166
1167		1738
1168	=head3 cf::map	1739	=head3 cf::map
1169		1740
1170	=over 4	1741	=over 4
1171		1742
…		…
1174	package cf::map;	1745	package cf::map;
1175		1746
1176	use Fcntl;	1747	use Fcntl;
1177	use Coro::AIO;	1748	use Coro::AIO;
1178		1749
		1750	use overload
		1751	'""' => \&as_string,
		1752	fallback => 1;
		1753
1179	our $MAX_RESET = 3600;	1754	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1755	our $DEFAULT_RESET = 3000;
1181		1756
1182	sub generate_random_map {	1757	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1758	my ($self, $rmp) = @_;
		1759
		1760	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1184		1761
1185	# mit "rum" bekleckern, nicht	1762	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1763	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1764	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1765	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1766	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1767	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1768	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1769	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1770	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1771	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1772	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1773	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(cf::region::find $rmp->{region})	1774	(cf::region::find $rmp->{region}), $rmp->{custom}
		1775	)
1199	}	1776	}
1200		1777
1201	# and all this just because we cannot iterate over	1778	=item cf::map->register ($regex, $prio)
1202	# all maps in C++...
1203	sub change_all_map_light {
1204	my ($change) = @_;
1205		1779
1206	$_->change_map_light ($change)	1780	Register a handler for the map path matching the given regex at the
1207	for grep $_->outdoor, values %cf::MAP;	1781	givne priority (higher is better, built-in handlers have priority 0, the
1208	}	1782	default).
1209		1783
1210	sub try_load_header($) {	1784	=cut
		1785
		1786	sub register {
		1787	my (undef, $regex, $prio) = @_;
		1788	my $pkg = caller;
		1789
		1790	no strict;
		1791	push @{"$pkg\::ISA"}, __PACKAGE__;
		1792
		1793	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1794	}
		1795
		1796	# also paths starting with '/'
		1797	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1798
		1799	sub thawer_merge {
		1800	my ($self, $merge) = @_;
		1801
		1802	# we have to keep some variables in memory intact
		1803	local $self->{path};
		1804	local $self->{load_path};
		1805
		1806	$self->SUPER::thawer_merge ($merge);
		1807	}
		1808
		1809	sub normalise {
1211	my ($path) = @_;	1810	my ($path, $base) = @_;
		1811
		1812	$path = "$path"; # make sure its a string
		1813
		1814	$path =~ s/\.map$//;
		1815
		1816	# map plan:
		1817	#
		1818	# /! non-realised random map exit (special hack!)
		1819	# {... are special paths that are not being touched
		1820	# ?xxx/... are special absolute paths
		1821	# ?random/... random maps
		1822	# /... normal maps
		1823	# ~user/... per-player map of a specific user
		1824
		1825	$path =~ s/$PATH_SEP/\//go;
		1826
		1827	# treat it as relative path if it starts with
		1828	# something that looks reasonable
		1829	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1830	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1831
		1832	$base =~ s{[^/]+/?$}{};
		1833	$path = "$base/$path";
		1834	}
		1835
		1836	for ($path) {
		1837	redo if s{//}{/};
		1838	redo if s{/\.?/}{/};
		1839	redo if s{/[^/]+/\.\./}{/};
		1840	}
		1841
		1842	$path
		1843	}
		1844
		1845	sub new_from_path {
		1846	my (undef, $path, $base) = @_;
		1847
		1848	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1849
		1850	$path = normalise $path, $base;
		1851
		1852	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1853	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1854	my $self = bless cf::map::new, $pkg;
		1855	$self->{path} = $path; $self->path ($path);
		1856	$self->init; # pass $1 etc.
		1857	return $self;
		1858	}
		1859	}
		1860
		1861	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1862	()
		1863	}
		1864
		1865	sub init {
		1866	my ($self) = @_;
		1867
		1868	$self
		1869	}
		1870
		1871	sub as_string {
		1872	my ($self) = @_;
		1873
		1874	"$self->{path}"
		1875	}
		1876
		1877	# the displayed name, this is a one way mapping
		1878	sub visible_name {
		1879	&as_string
		1880	}
		1881
		1882	# the original (read-only) location
		1883	sub load_path {
		1884	my ($self) = @_;
		1885
		1886	"$MAPDIR/$self->{path}.map"
		1887	}
		1888
		1889	# the temporary/swap location
		1890	sub save_path {
		1891	my ($self) = @_;
		1892
		1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1894	"$TMPDIR/$path.map"
		1895	}
		1896
		1897	# the unique path, undef == no special unique path
		1898	sub uniq_path {
		1899	my ($self) = @_;
		1900
		1901	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1902	"$UNIQUEDIR/$path"
		1903	}
		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
		1913	sub unlink_save {
		1914	my ($self) = @_;
		1915
		1916	utf8::encode (my $save = $self->save_path);
		1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1918	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1919	}
		1920
		1921	sub load_header_from($) {
		1922	my ($self, $path) = @_;
1212		1923
1213	utf8::encode $path;	1924	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1215	or return;	1926	or return;
1216		1927
1217	my $map = cf::map::new	1928	$self->_load_header ($f)
1218	or return;	1929	or return;
1219		1930
1220	# for better error messages only, will be overwritten	1931	local $MAP_LOADING{$self->{path}} = $self;
1221	$map->path ($path);	1932	$f->resolve_delayed_derefs;
1222		1933
1223	$map->load_header ($path)	1934	$self->{load_path} = $path;
		1935
		1936	1
		1937	}
		1938
		1939	sub load_header_orig {
		1940	my ($self) = @_;
		1941
		1942	$self->load_header_from ($self->load_path)
		1943	}
		1944
		1945	sub load_header_temp {
		1946	my ($self) = @_;
		1947
		1948	$self->load_header_from ($self->save_path)
		1949	}
		1950
		1951	sub prepare_temp {
		1952	my ($self) = @_;
		1953
		1954	$self->last_access ((delete $self->{last_access})
		1955	|| $cf::RUNTIME); #d#
		1956	# safety
		1957	$self->{instantiate_time} = $cf::RUNTIME
		1958	if $self->{instantiate_time} > $cf::RUNTIME;
		1959	}
		1960
		1961	sub prepare_orig {
		1962	my ($self) = @_;
		1963
		1964	$self->{load_original} = 1;
		1965	$self->{instantiate_time} = $cf::RUNTIME;
		1966	$self->last_access ($cf::RUNTIME);
		1967	$self->instantiate;
		1968	}
		1969
		1970	sub load_header {
		1971	my ($self) = @_;
		1972
		1973	if ($self->load_header_temp) {
		1974	$self->prepare_temp;
		1975	} else {
		1976	$self->load_header_orig
1224	or return;	1977	or return;
		1978	$self->prepare_orig;
		1979	}
1225		1980
1226	$map->{load_path} = $path;	1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
1227		1983
1228	$map	1984	$self->default_region (cf::region::find_by_path $self->{path})
		1985	unless $self->default_region;
		1986
		1987	1
1229	}	1988	}
1230		1989
1231	sub find;	1990	sub find;
1232	sub find {	1991	sub find {
1233	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1234		1993
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		1995
1240	cf::lock_wait "map_find:$key";	1996	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1241
1242	$cf::MAP{$key} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
1244		1998
1245	# do it the slow way	1999	$cf::MAP{$path} || do {
1246	my $map = try_load_header $path->save_path;	2000	my $map = new_from_path cf::map $path
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	2001	or return;
1264		2002
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1277		2004
1278	Coro::cede;	2005	$map->load_header
		2006	or return;
1279		2007
1280	if ($map->should_reset) {	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2009	# doing this can freeze the server in a sync job, obviously
		2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1281	$map->reset;	2013	$map->reset;
1282	undef $guard;
1283	$map = find $path	2014	return find $path;
1284	or return;
1285	}	2015	}
1286		2016
1287	$cf::MAP{$key} = $map	2017	$cf::MAP{$path} = $map
1288	}	2018	}
1289	}	2019	}
		2020
		2021	sub pre_load { }
		2022	#sub post_load { } # XS
1290		2023
1291	sub load {	2024	sub load {
1292	my ($self) = @_;	2025	my ($self) = @_;
1293		2026
		2027	local $self->{deny_reset} = 1; # loading can take a long time
		2028
1294	my $path = $self->{path};	2029	my $path = $self->{path};
		2030
		2031	{
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2032	my $guard = cf::lock_acquire "map_data:$path";
1296		2033
		2034	return unless $self->valid;
1297	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1298		2036
1299	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1300		2038
1301	$self->alloc;	2039	$self->alloc;
1302	$self->load_objects ($self->{load_path}, 1)	2040
		2041	$self->pre_load;
		2042	cf::cede_to_tick;
		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
		2046	$self->_load_objects ($f)
1303	or return;	2047	or return;
1304		2048
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1306	if delete $self->{load_original};	2050	if delete $self->{load_original};
1307		2051
1308	if (my $uniq = $path->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	2053	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1311	$self->clear_unique_items;	2056	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1313	}	2060	}
1314	}	2061	}
1315		2062
1316	Coro::cede;	2063	$f->resolve_delayed_derefs;
1317		2064
		2065	cf::cede_to_tick;
1318	# now do the right thing for maps	2066	# now do the right thing for maps
1319	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1320
1321	if ($self->{path}->is_style_map) {
1322	$self->{deny_save} = 1;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;
1328	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1330	unless $self->difficulty;	2069	unless $self->difficulty;
		2070	cf::cede_to_tick;
		2071
		2072	unless ($self->{deny_activate}) {
		2073	$self->decay_objects;
		2074	$self->fix_auto_apply;
		2075	$self->update_buttons;
		2076	cf::cede_to_tick;
1331	$self->activate;	2077	$self->activate;
1332	}	2078	}
1333		2079
1334	Coro::cede;	2080	$self->{last_save} = $cf::RUNTIME;
		2081	$self->last_access ($cf::RUNTIME);
1335		2082
1336	$self->in_memory (cf::MAP_IN_MEMORY);	2083	$self->in_memory (cf::MAP_ACTIVE);
		2084	}
		2085
		2086	$self->post_load;
		2087	}
		2088
		2089	sub customise_for {
		2090	my ($self, $ob) = @_;
		2091
		2092	return find "~" . $ob->name . "/" . $self->{path}
		2093	if $self->per_player;
		2094
		2095	# return find "?party/" . $ob->name . "/" . $self->{path}
		2096	# if $self->per_party;
		2097
		2098	$self
		2099	}
		2100
		2101	# find and load all maps in the 3x3 area around a map
		2102	sub load_neighbours {
		2103	my ($map) = @_;
		2104
		2105	my @neigh; # diagonal neighbours
		2106
		2107	for (0 .. 3) {
		2108	my $neigh = $map->tile_path ($_)
		2109	or next;
		2110	$neigh = find $neigh, $map
		2111	or next;
		2112	$neigh->load;
		2113
		2114	push @neigh,
		2115	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2116	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2117	}
		2118
		2119	for (grep defined $_->[0], @neigh) {
		2120	my ($path, $origin) = @$_;
		2121	my $neigh = find $path, $origin
		2122	or next;
		2123	$neigh->load;
		2124	}
1337	}	2125	}
1338		2126
1339	sub find_sync {	2127	sub find_sync {
1340	my ($path, $origin) = @_;	2128	my ($path, $origin) = @_;
1341		2129
1342	cf::sync_job { cf::map::find $path, $origin }	2130	cf::sync_job { find $path, $origin }
1343	}	2131	}
1344		2132
1345	sub do_load_sync {	2133	sub do_load_sync {
1346	my ($map) = @_;	2134	my ($map) = @_;
1347		2135
		2136	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2137	if $Coro::current == $Coro::main;
		2138
1348	cf::sync_job { $map->load };	2139	cf::sync_job { $map->load };
		2140	}
		2141
		2142	our %MAP_PREFETCH;
		2143	our $MAP_PREFETCHER = undef;
		2144
		2145	sub find_async {
		2146	my ($path, $origin, $load) = @_;
		2147
		2148	$path = normalise $path, $origin && $origin->{path};
		2149
		2150	if (my $map = $cf::MAP{$path}) {
		2151	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2152	}
		2153
		2154	$MAP_PREFETCH{$path} |= $load;
		2155
		2156	$MAP_PREFETCHER ||= cf::async {
		2157	$Coro::current->{desc} = "map prefetcher";
		2158
		2159	while (%MAP_PREFETCH) {
		2160	while (my ($k, $v) = each %MAP_PREFETCH) {
		2161	if (my $map = find $k) {
		2162	$map->load if $v;
		2163	}
		2164
		2165	delete $MAP_PREFETCH{$k};
		2166	}
		2167	}
		2168	undef $MAP_PREFETCHER;
		2169	};
		2170	$MAP_PREFETCHER->prio (6);
		2171
		2172	()
1349	}	2173	}
1350		2174
1351	sub save {	2175	sub save {
1352	my ($self) = @_;	2176	my ($self) = @_;
1353		2177
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1355		2179
1356	$self->{last_save} = $cf::RUNTIME;	2180	$self->{last_save} = $cf::RUNTIME;
1357		2181
1358	return unless $self->dirty;	2182	return unless $self->dirty;
1359		2183
1360	my $save = $self->{path}->save_path; utf8::encode $save;	2184	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2185	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		2186
1363	$self->{load_path} = $save;	2187	$self->{load_path} = $save;
1364		2188
1365	return if $self->{deny_save};	2189	return if $self->{deny_save};
1366		2190
1367	local $self->{last_access} = $self->last_access;#d#	2191	local $self->{last_access} = $self->last_access;#d#
1368		2192
1369	cf::async {	2193	cf::async {
		2194	$Coro::current->{desc} = "map player save";
1370	$_->contr->save for $self->players;	2195	$_->contr->save for $self->players;
1371	};	2196	};
1372		2197
		2198	cf::get_slot 0.02;
		2199
1373	if ($uniq) {	2200	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2201	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	2202	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	2203	} else {
1377	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378	}	2205	}
1379	}	2206	}
1380		2207
1381	sub swap_out {	2208	sub swap_out {
1382	my ($self) = @_;	2209	my ($self) = @_;
1383		2210
1384	# save first because save cedes	2211	# save first because save cedes
1385	$self->save;	2212	$self->save;
1386		2213
1387	my $lock = cf::lock_acquire "map_data:" . $self->path;	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1388		2215
1389	return if $self->players;	2216	return if $self->players;
1390	return if $self->in_memory != cf::MAP_IN_MEMORY;	2217	return if $self->in_memory != cf::MAP_ACTIVE;
1391	return if $self->{deny_save};	2218	return if $self->{deny_save};
1392		2219
		2220	$self->in_memory (cf::MAP_SWAPPED);
		2221
		2222	$self->deactivate;
		2223	$_->clear_links_to ($self) for values %cf::MAP;
1393	$self->clear;	2224	$self->clear;
1394	$self->in_memory (cf::MAP_SWAPPED);
1395	}	2225	}
1396		2226
1397	sub reset_at {	2227	sub reset_at {
1398	my ($self) = @_;	2228	my ($self) = @_;
1399		2229
1400	# TODO: safety, remove and allow resettable per-player maps	2230	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};
1402	return 1e99 if $self->{deny_reset};	2231	return 1e99 if $self->{deny_reset};
1403		2232
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2233	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2234	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406		2235
…		…
1411	my ($self) = @_;	2240	my ($self) = @_;
1412		2241
1413	$self->reset_at <= $cf::RUNTIME	2242	$self->reset_at <= $cf::RUNTIME
1414	}	2243	}
1415		2244
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	2245	sub reset {
1438	my ($self) = @_;	2246	my ($self) = @_;
1439		2247
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	2248	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		2249
1442	return if $self->players;	2250	return if $self->players;
1443	return if $self->{path}{user_rel};#d#
1444		2251
1445	warn "resetting map ", $self->path;#d#	2252	warn "resetting map ", $self->path, "\n";
		2253
		2254	$self->in_memory (cf::MAP_SWAPPED);
		2255
		2256	# need to save uniques path
		2257	unless ($self->{deny_save}) {
		2258	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2259
		2260	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2261	if $uniq;
		2262	}
1446		2263
1447	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1448		2265
		2266	$self->deactivate;
1449	$_->clear_links_to ($self) for values %cf::MAP;	2267	$_->clear_links_to ($self) for values %cf::MAP;
		2268	$self->clear;
1450		2269
1451	$self->unlink_save;	2270	$self->unlink_save;
1452	$self->destroy;	2271	$self->destroy;
1453	}	2272	}
1454		2273
1455	my $nuke_counter = "aaaa";	2274	my $nuke_counter = "aaaa";
1456		2275
1457	sub nuke {	2276	sub nuke {
1458	my ($self) = @_;	2277	my ($self) = @_;
1459		2278
		2279	{
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	delete $cf::MAP{$self->path};
		2283
		2284	$self->unlink_save;
		2285
		2286	bless $self, "cf::map";
		2287	delete $self->{deny_reset};
1460	$self->{deny_save} = 1;	2288	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	2289	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	2290	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2291
		2292	$cf::MAP{$self->path} = $self;
		2293	}
		2294
1463	$self->reset; # polite request, might not happen	2295	$self->reset; # polite request, might not happen
1464	}	2296	}
1465		2297
1466	sub customise_for {	2298	=item $maps = cf::map::tmp_maps
1467	my ($map, $ob) = @_;
1468		2299
1469	if ($map->per_player) {	2300	Returns an arrayref with all map paths of currently instantiated and saved
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2301	maps. May block.
		2302
		2303	=cut
		2304
		2305	sub tmp_maps() {
1471	}	2306	[
1472		2307	map {
1473	$map	2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise $_
		2311	: ()
		2312	} @{ aio_readdir $TMPDIR or [] }
		2313	]
1474	}	2314	}
1475		2315
1476	sub emergency_save {	2316	=item $maps = cf::map::random_maps
1477	my $freeze_guard = cf::freeze_mainloop;
1478		2317
1479	warn "enter emergency map save\n";	2318	Returns an arrayref with all map paths of currently instantiated and saved
		2319	random maps. May block.
1480		2320
1481	cf::sync_job {	2321	=cut
1482	warn "begin emergency map save\n";	2322
1483	$_->save for values %cf::MAP;	2323	sub random_maps() {
		2324	[
		2325	map {
		2326	utf8::decode $_;
		2327	/\.map$/
		2328	? normalise "?random/$_"
		2329	: ()
		2330	} @{ aio_readdir $RANDOMDIR or [] }
		2331	]
		2332	}
		2333
		2334	=item cf::map::unique_maps
		2335
		2336	Returns an arrayref of paths of all shared maps that have
		2337	instantiated unique items. May block.
		2338
		2339	=cut
		2340
		2341	sub unique_maps() {
		2342	[
		2343	map {
		2344	utf8::decode $_;
		2345	s/\.map$//; # TODO future compatibility hack
		2346	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2347	? ()
		2348	: normalise $_
		2349	} @{ aio_readdir $UNIQUEDIR or [] }
		2350	]
		2351	}
		2352
		2353	=item cf::map::static_maps
		2354
		2355	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2356	file in the shared directory excluding F</styles> and F</editor>). May
		2357	block.
		2358
		2359	=cut
		2360
		2361	sub static_maps() {
		2362	my @dirs = "";
		2363	my @maps;
		2364
		2365	while (@dirs) {
		2366	my $dir = shift @dirs;
		2367
		2368	next if $dir eq "/styles" || $dir eq "/editor";
		2369
		2370	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2371	or return;
		2372
		2373	for (@$files) {
		2374	s/\.map$// or next;
		2375	utf8::decode $_;
		2376	push @maps, "$dir/$_";
		2377	}
		2378
		2379	push @dirs, map "$dir/$_", @$dirs;
1484	};	2380	}
1485		2381
1486	warn "end emergency map save\n";	2382	\@maps
		2383	}
		2384
		2385	=back
		2386
		2387	=head3 cf::object
		2388
		2389	=cut
		2390
		2391	package cf::object;
		2392
		2393	=over 4
		2394
		2395	=item $ob->inv_recursive
		2396
		2397	Returns the inventory of the object I<and> their inventories, recursively,
		2398	but I<not> the object itself.
		2399
		2400	=cut
		2401
		2402	sub inv_recursive_;
		2403	sub inv_recursive_ {
		2404	map { $_, inv_recursive_ $_->inv } @_
		2405	}
		2406
		2407	sub inv_recursive {
		2408	inv_recursive_ inv $_[0]
		2409	}
		2410
		2411	=item $ref = $ob->ref
		2412
		2413	Creates and returns a persistent reference to an object that can be stored as a string.
		2414
		2415	=item $ob = cf::object::deref ($refstring)
		2416
		2417	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2418	even if the object actually exists. May block.
		2419
		2420	=cut
		2421
		2422	sub deref {
		2423	my ($ref) = @_;
		2424
		2425	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2426	my ($uuid, $name) = ($1, $2);
		2427	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2428	or return;
		2429	$pl->ob->uuid eq $uuid
		2430	or return;
		2431
		2432	$pl->ob
		2433	} else {
		2434	warn "$ref: cannot resolve object reference\n";
		2435	undef
		2436	}
1487	}	2437	}
1488		2438
1489	package cf;	2439	package cf;
1490		2440
1491	=back	2441	=back
1492
1493		2442
1494	=head3 cf::object::player	2443	=head3 cf::object::player
1495		2444
1496	=over 4	2445	=over 4
1497		2446
…		…
1500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2449	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1501	can be C<undef>. Does the right thing when the player is currently in a	2450	can be C<undef>. Does the right thing when the player is currently in a
1502	dialogue with the given NPC character.	2451	dialogue with the given NPC character.
1503		2452
1504	=cut	2453	=cut
		2454
		2455	our $SAY_CHANNEL = {
		2456	id => "say",
		2457	title => "Map",
		2458	reply => "say ",
		2459	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2460	};
		2461
		2462	our $CHAT_CHANNEL = {
		2463	id => "chat",
		2464	title => "Chat",
		2465	reply => "chat ",
		2466	tooltip => "Player chat and shouts, global to the server.",
		2467	};
1505		2468
1506	# rough implementation of a future "reply" method that works	2469	# rough implementation of a future "reply" method that works
1507	# with dialog boxes.	2470	# with dialog boxes.
1508	#TODO: the first argument must go, split into a $npc->reply_to ( method	2471	#TODO: the first argument must go, split into a $npc->reply_to ( method
1509	sub cf::object::player::reply($$$;$) {	2472	sub cf::object::player::reply($$$;$) {
…		…
1511		2474
1512	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2475	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1513		2476
1514	if ($self->{record_replies}) {	2477	if ($self->{record_replies}) {
1515	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2478	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2479
1516	} else {	2480	} else {
		2481	my $pl = $self->contr;
		2482
		2483	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2484	my $dialog = $pl->{npc_dialog};
		2485	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2486
		2487	} else {
1517	$msg = $npc->name . " says: $msg" if $npc;	2488	$msg = $npc->name . " says: $msg" if $npc;
1518	$self->message ($msg, $flags);	2489	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2490	}
1519	}	2491	}
		2492	}
		2493
		2494	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2495
		2496	=cut
		2497
		2498	sub cf::object::send_msg {
		2499	my $pl = shift->contr
		2500	or return;
		2501	$pl->send_msg (@_);
1520	}	2502	}
1521		2503
1522	=item $player_object->may ("access")	2504	=item $player_object->may ("access")
1523		2505
1524	Returns wether the given player is authorized to access resource "access"	2506	Returns wether the given player is authorized to access resource "access"
…		…
1537		2519
1538	=item $player_object->enter_link	2520	=item $player_object->enter_link
1539		2521
1540	Freezes the player and moves him/her to a special map (C<{link}>).	2522	Freezes the player and moves him/her to a special map (C<{link}>).
1541		2523
1542	The player should be reaosnably safe there for short amounts of time. You	2524	The player should be reasonably safe there for short amounts of time (e.g.
1543	I<MUST> call C<leave_link> as soon as possible, though.	2525	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2526	though, as the palyer cannot control the character while it is on the link
		2527	map.
		2528
		2529	Will never block.
1544		2530
1545	=item $player_object->leave_link ($map, $x, $y)	2531	=item $player_object->leave_link ($map, $x, $y)
1546		2532
1547	Moves the player out of the specila link map onto the given map. If the	2533	Moves the player out of the special C<{link}> map onto the specified
1548	map is not valid (or omitted), the player will be moved back to the	2534	map. If the map is not valid (or omitted), the player will be moved back
1549	location he/she was before the call to C<enter_link>, or, if that fails,	2535	to the location he/she was before the call to C<enter_link>, or, if that
1550	to the emergency map position.	2536	fails, to the emergency map position.
1551		2537
1552	Might block.	2538	Might block.
1553		2539
1554	=cut	2540	=cut
		2541
		2542	sub link_map {
		2543	unless ($LINK_MAP) {
		2544	$LINK_MAP = cf::map::find "{link}"
		2545	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2546	$LINK_MAP->load;
		2547	}
		2548
		2549	$LINK_MAP
		2550	}
1555		2551
1556	sub cf::object::player::enter_link {	2552	sub cf::object::player::enter_link {
1557	my ($self) = @_;	2553	my ($self) = @_;
1558		2554
1559	$self->deactivate_recursive;	2555	$self->deactivate_recursive;
1560		2556
1561	return if $self->map == $LINK_MAP;	2557	return if UNIVERSAL::isa $self->map, "ext::map_link";
1562		2558
1563	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2559	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1564	if $self->map;	2560	if $self->map && $self->map->{path} ne "{link}";
1565		2561
1566	$self->enter_map ($LINK_MAP, 20, 20);	2562	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1567	}	2563	}
1568		2564
1569	sub cf::object::player::leave_link {	2565	sub cf::object::player::leave_link {
1570	my ($self, $map, $x, $y) = @_;	2566	my ($self, $map, $x, $y) = @_;
		2567
		2568	return unless $self->contr->active;
1571		2569
1572	my $link_pos = delete $self->{_link_pos};	2570	my $link_pos = delete $self->{_link_pos};
1573		2571
1574	unless ($map) {	2572	unless ($map) {
1575	# restore original map position	2573	# restore original map position
…		…
1586	($x, $y) = (-1, -1)	2584	($x, $y) = (-1, -1)
1587	unless (defined $x) && (defined $y);	2585	unless (defined $x) && (defined $y);
1588		2586
1589	# use -1 or undef as default coordinates, not 0, 0	2587	# use -1 or undef as default coordinates, not 0, 0
1590	($x, $y) = ($map->enter_x, $map->enter_y)	2588	($x, $y) = ($map->enter_x, $map->enter_y)
1591	if $x <=0 && $y <= 0;	2589	if $x <= 0 && $y <= 0;
1592		2590
1593	$map->load;	2591	$map->load;
		2592	$map->load_neighbours;
1594		2593
1595	return unless $self->contr->active;	2594	return unless $self->contr->active;
		2595
		2596	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2597	$self->enter_map ($map, $x, $y);
		2598
		2599	# only activate afterwards, to support waiting in hooks
1596	$self->activate_recursive;	2600	$self->activate_recursive;
1597	$self->enter_map ($map, $x, $y);
1598	}	2601	}
1599		2602
1600	cf::player->attach (	2603	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1601	on_logout => sub {
1602	my ($pl) = @_;
1603		2604
1604	# abort map switching before logout	2605	Moves the player to the given map-path and coordinates by first freezing
1605	if ($pl->ob->{_link_pos}) {	2606	her, loading and preparing them map, calling the provided $check callback
1606	cf::sync_job {	2607	that has to return the map if sucecssful, and then unfreezes the player on
1607	$pl->ob->leave_link	2608	the new (success) or old (failed) map position. In either case, $done will
1608	};	2609	be called at the end of this process.
1609	}
1610	},
1611	on_login => sub {
1612	my ($pl) = @_;
1613		2610
1614	# try to abort aborted map switching on player login :)	2611	Note that $check will be called with a potentially non-loaded map, so if
1615	# should happen only on crashes	2612	it needs a loaded map it has to call C<< ->load >>.
1616	if ($pl->ob->{_link_pos}) {
1617	$pl->ob->enter_link;
1618	(async {
1619	# we need this sleep as the login has a concurrent enter_exit running
1620	# and this sleep increases chances of the player not ending up in scorn
1621	$pl->ob->reply (undef,
1622	"There was an internal problem at your last logout, "
1623	. "the server will try to bring you to your intended destination in a second.",
1624	cf::NDI_RED);
1625	Coro::Timer::sleep 1;
1626	$pl->ob->leave_link;
1627	})->prio (2);
1628	}
1629	},
1630	);
1631		2613
1632	=item $player_object->goto ($path, $x, $y)
1633
1634	=cut	2614	=cut
		2615
		2616	our $GOTOGEN;
1635		2617
1636	sub cf::object::player::goto {	2618	sub cf::object::player::goto {
1637	my ($self, $path, $x, $y) = @_;	2619	my ($self, $path, $x, $y, $check, $done) = @_;
		2620
		2621	# do generation counting so two concurrent goto's will be executed in-order
		2622	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1638		2623
1639	$self->enter_link;	2624	$self->enter_link;
1640		2625
1641	(async {	2626	(async {
1642	$path = new cf::path $path;	2627	$Coro::current->{desc} = "player::goto $path $x $y";
1643		2628
1644	my $map = cf::map::find $path->as_string;	2629	# *tag paths override both path and x|y
		2630	if ($path =~ /^\*(.*)$/) {
		2631	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2632	my $ob = $obs[rand @obs];
		2633
		2634	# see if we actually can go there
		2635	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2636	$ob = $obs[rand @obs];
		2637	} else {
		2638	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2639	}
		2640	# else put us there anyways for now #d#
		2641
		2642	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2643	} else {
		2644	($path, $x, $y) = (undef, undef, undef);
		2645	}
		2646	}
		2647
		2648	my $map = eval {
		2649	my $map = defined $path ? cf::map::find $path : undef;
		2650
		2651	if ($map) {
1645	$map = $map->customise_for ($self) if $map;	2652	$map = $map->customise_for ($self);
1646		2653	$map = $check->($map) if $check && $map;
1647	# warn "entering ", $map->path, " at ($x, $y)\n"	2654	} else {
1648	# if $map;
1649
1650	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2655	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2656	}
1651		2657
		2658	$map
		2659	};
		2660
		2661	if ($@) {
		2662	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2663	LOG llevError | logBacktrace, Carp::longmess $@;
		2664	}
		2665
		2666	if ($gen == $self->{_goto_generation}) {
		2667	delete $self->{_goto_generation};
1652	$self->leave_link ($map, $x, $y);	2668	$self->leave_link ($map, $x, $y);
		2669	}
		2670
		2671	$done->() if $done;
1653	})->prio (1);	2672	})->prio (1);
1654	}	2673	}
1655		2674
1656	=item $player_object->enter_exit ($exit_object)	2675	=item $player_object->enter_exit ($exit_object)
1657		2676
…		…
1659		2678
1660	sub parse_random_map_params {	2679	sub parse_random_map_params {
1661	my ($spec) = @_;	2680	my ($spec) = @_;
1662		2681
1663	my $rmp = { # defaults	2682	my $rmp = { # defaults
1664	xsize => 10,	2683	xsize => (cf::rndm 15, 40),
1665	ysize => 10,	2684	ysize => (cf::rndm 15, 40),
		2685	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2686	#layout => string,
1666	};	2687	};
1667		2688
1668	for (split /\n/, $spec) {	2689	for (split /\n/, $spec) {
1669	my ($k, $v) = split /\s+/, $_, 2;	2690	my ($k, $v) = split /\s+/, $_, 2;
1670		2691
…		…
1682	# that depends on the exit object	2703	# that depends on the exit object
1683		2704
1684	my $rmp = parse_random_map_params $exit->msg;	2705	my $rmp = parse_random_map_params $exit->msg;
1685		2706
1686	if ($exit->map) {	2707	if ($exit->map) {
1687	$rmp->{region} = $exit->map->region_name;	2708	$rmp->{region} = $exit->region->name;
1688	$rmp->{origin_map} = $exit->map->path;	2709	$rmp->{origin_map} = $exit->map->path;
1689	$rmp->{origin_x} = $exit->x;	2710	$rmp->{origin_x} = $exit->x;
1690	$rmp->{origin_y} = $exit->y;	2711	$rmp->{origin_y} = $exit->y;
		2712
		2713	$exit->map->touch;
1691	}	2714	}
1692		2715
1693	$rmp->{random_seed} ||= $exit->random_seed;	2716	$rmp->{random_seed} ||= $exit->random_seed;
1694		2717
1695	my $data = cf::to_json $rmp;	2718	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1696	my $md5 = Digest::MD5::md5_hex $data;	2719	my $md5 = Digest::MD5::md5_hex $data;
		2720	my $meta = "$RANDOMDIR/$md5.meta";
1697		2721
1698	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2722	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1699	aio_write $fh, 0, (length $data), $data, 0;	2723	aio_write $fh, 0, (length $data), $data, 0;
		2724	undef $fh;
		2725	aio_rename "$meta~", $meta;
1700		2726
		2727	my $slaying = "?random/$md5";
		2728
		2729	if ($exit->valid) {
1701	$exit->slaying ("?random/$md5");	2730	$exit->slaying ("?random/$md5");
1702	$exit->msg (undef);	2731	$exit->msg (undef);
		2732	}
1703	}	2733	}
1704	}	2734	}
1705		2735
1706	sub cf::object::player::enter_exit {	2736	sub cf::object::player::enter_exit {
1707	my ($self, $exit) = @_;	2737	my ($self, $exit) = @_;
…		…
1709	return unless $self->type == cf::PLAYER;	2739	return unless $self->type == cf::PLAYER;
1710		2740
1711	$self->enter_link;	2741	$self->enter_link;
1712		2742
1713	(async {	2743	(async {
1714	$self->deactivate_recursive; # just to be sure	2744	$Coro::current->{desc} = "enter_exit";
		2745
1715	unless (eval {	2746	unless (eval {
		2747	$self->deactivate_recursive; # just to be sure
		2748
		2749	# random map handling
		2750	{
		2751	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2752
1716	prepare_random_map $exit	2753	prepare_random_map $exit
1717	if $exit->slaying eq "/!";	2754	if $exit->slaying eq "/!";
		2755	}
1718		2756
1719	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2757	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1720	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2758	my $x = $exit->stats->hp;
		2759	my $y = $exit->stats->sp;
1721		2760
		2761	$self->goto ($map, $x, $y);
		2762
		2763	# if exit is damned, update players death & WoR home-position
		2764	$self->contr->savebed ($map, $x, $y)
		2765	if $exit->flag (cf::FLAG_DAMNED);
		2766
1722	1;	2767	1
1723	}) {	2768	}) {
1724	$self->message ("Something went wrong deep within the crossfire server. "	2769	$self->message ("Something went wrong deep within the deliantra server. "
1725	. "I'll try to bring you back to the map you were before. "	2770	. "I'll try to bring you back to the map you were before. "
1726	. "Please report this to the dungeon master",	2771	. "Please report this to the dungeon master!",
1727	cf::NDI_UNIQUE | cf::NDI_RED);	2772	cf::NDI_UNIQUE | cf::NDI_RED);
1728		2773
1729	warn "ERROR in enter_exit: $@";	2774	warn "ERROR in enter_exit: $@";
1730	$self->leave_link;	2775	$self->leave_link;
1731	}	2776	}
1732	})->prio (1);	2777	})->prio (1);
…		…
1745		2790
1746	sub cf::client::send_drawinfo {	2791	sub cf::client::send_drawinfo {
1747	my ($self, $text, $flags) = @_;	2792	my ($self, $text, $flags) = @_;
1748		2793
1749	utf8::encode $text;	2794	utf8::encode $text;
1750	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2795	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1751	}	2796	}
1752		2797
		2798	=item $client->send_big_packet ($pkt)
		2799
		2800	Like C<send_packet>, but tries to compress large packets, and fragments
		2801	them as required.
		2802
		2803	=cut
		2804
		2805	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2806
		2807	sub cf::client::send_big_packet {
		2808	my ($self, $pkt) = @_;
		2809
		2810	# try lzf for large packets
		2811	$pkt = "lzf " . Compress::LZF::compress $pkt
		2812	if 1024 <= length $pkt and $self->{can_lzf};
		2813
		2814	# split very large packets
		2815	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2816	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2817	$pkt = "frag";
		2818	}
		2819
		2820	$self->send_packet ($pkt);
		2821	}
		2822
		2823	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2824
		2825	Send a drawinfo or msg packet to the client, formatting the msg for the
		2826	client if neccessary. C<$type> should be a string identifying the type of
		2827	the message, with C<log> being the default. If C<$color> is negative, suppress
		2828	the message unless the client supports the msg packet.
		2829
		2830	=cut
		2831
		2832	# non-persistent channels (usually the info channel)
		2833	our %CHANNEL = (
		2834	"c/motd" => {
		2835	id => "infobox",
		2836	title => "MOTD",
		2837	reply => undef,
		2838	tooltip => "The message of the day",
		2839	},
		2840	"c/identify" => {
		2841	id => "infobox",
		2842	title => "Identify",
		2843	reply => undef,
		2844	tooltip => "Items recently identified",
		2845	},
		2846	"c/examine" => {
		2847	id => "infobox",
		2848	title => "Examine",
		2849	reply => undef,
		2850	tooltip => "Signs and other items you examined",
		2851	},
		2852	"c/shopinfo" => {
		2853	id => "infobox",
		2854	title => "Shop Info",
		2855	reply => undef,
		2856	tooltip => "What your bargaining skill tells you about the shop",
		2857	},
		2858	"c/book" => {
		2859	id => "infobox",
		2860	title => "Book",
		2861	reply => undef,
		2862	tooltip => "The contents of a note or book",
		2863	},
		2864	"c/lookat" => {
		2865	id => "infobox",
		2866	title => "Look",
		2867	reply => undef,
		2868	tooltip => "What you saw there",
		2869	},
		2870	"c/who" => {
		2871	id => "infobox",
		2872	title => "Players",
		2873	reply => undef,
		2874	tooltip => "Shows players who are currently online",
		2875	},
		2876	"c/body" => {
		2877	id => "infobox",
		2878	title => "Body Parts",
		2879	reply => undef,
		2880	tooltip => "Shows which body parts you posess and are available",
		2881	},
		2882	"c/statistics" => {
		2883	id => "infobox",
		2884	title => "Statistics",
		2885	reply => undef,
		2886	tooltip => "Shows your primary statistics",
		2887	},
		2888	"c/skills" => {
		2889	id => "infobox",
		2890	title => "Skills",
		2891	reply => undef,
		2892	tooltip => "Shows your experience per skill and item power",
		2893	},
		2894	"c/shopitems" => {
		2895	id => "infobox",
		2896	title => "Shop Items",
		2897	reply => undef,
		2898	tooltip => "Shows the items currently for sale in this shop",
		2899	},
		2900	"c/resistances" => {
		2901	id => "infobox",
		2902	title => "Resistances",
		2903	reply => undef,
		2904	tooltip => "Shows your resistances",
		2905	},
		2906	"c/pets" => {
		2907	id => "infobox",
		2908	title => "Pets",
		2909	reply => undef,
		2910	tooltip => "Shows information abotu your pets/a specific pet",
		2911	},
		2912	"c/perceiveself" => {
		2913	id => "infobox",
		2914	title => "Perceive Self",
		2915	reply => undef,
		2916	tooltip => "You gained detailed knowledge about yourself",
		2917	},
		2918	"c/uptime" => {
		2919	id => "infobox",
		2920	title => "Uptime",
		2921	reply => undef,
		2922	tooltip => "How long the server has been running since last restart",
		2923	},
		2924	"c/mapinfo" => {
		2925	id => "infobox",
		2926	title => "Map Info",
		2927	reply => undef,
		2928	tooltip => "Information related to the maps",
		2929	},
		2930	"c/party" => {
		2931	id => "party",
		2932	title => "Party",
		2933	reply => "gsay ",
		2934	tooltip => "Messages and chat related to your party",
		2935	},
		2936	"c/death" => {
		2937	id => "death",
		2938	title => "Death",
		2939	reply => undef,
		2940	tooltip => "Reason for and more info about your most recent death",
		2941	},
		2942	"c/say" => $SAY_CHANNEL,
		2943	"c/chat" => $CHAT_CHANNEL,
		2944	);
		2945
		2946	sub cf::client::send_msg {
		2947	my ($self, $channel, $msg, $color, @extra) = @_;
		2948
		2949	$msg = $self->pl->expand_cfpod ($msg)
		2950	unless $color & cf::NDI_VERBATIM;
		2951
		2952	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2953
		2954	# check predefined channels, for the benefit of C
		2955	if ($CHANNEL{$channel}) {
		2956	$channel = $CHANNEL{$channel};
		2957
		2958	$self->ext_msg (channel_info => $channel);
		2959	$channel = $channel->{id};
		2960
		2961	} elsif (ref $channel) {
		2962	# send meta info to client, if not yet sent
		2963	unless (exists $self->{channel}{$channel->{id}}) {
		2964	$self->{channel}{$channel->{id}} = $channel;
		2965	$self->ext_msg (channel_info => $channel);
		2966	}
		2967
		2968	$channel = $channel->{id};
		2969	}
		2970
		2971	return unless @extra || length $msg;
		2972
		2973	# default colour, mask it out
		2974	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2975	if $color & cf::NDI_DEF;
		2976
		2977	my $pkt = "msg "
		2978	. $self->{json_coder}->encode (
		2979	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2980	);
		2981
		2982	$self->send_big_packet ($pkt);
		2983	}
		2984
		2985	=item $client->ext_msg ($type, @msg)
		2986
		2987	Sends an ext event to the client.
		2988
		2989	=cut
		2990
		2991	sub cf::client::ext_msg($$@) {
		2992	my ($self, $type, @msg) = @_;
		2993
		2994	if ($self->extcmd == 2) {
		2995	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2996	} elsif ($self->extcmd == 1) { # TODO: remove
		2997	push @msg, msgtype => "event_$type";
		2998	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2999	}
		3000	}
		3001
		3002	=item $client->ext_reply ($msgid, @msg)
		3003
		3004	Sends an ext reply to the client.
		3005
		3006	=cut
		3007
		3008	sub cf::client::ext_reply($$@) {
		3009	my ($self, $id, @msg) = @_;
		3010
		3011	if ($self->extcmd == 2) {
		3012	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3013	} elsif ($self->extcmd == 1) {
		3014	#TODO: version 1, remove
		3015	unshift @msg, msgtype => "reply", msgid => $id;
		3016	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3017	}
		3018	}
1753		3019
1754	=item $success = $client->query ($flags, "text", \&cb)	3020	=item $success = $client->query ($flags, "text", \&cb)
1755		3021
1756	Queues a query to the client, calling the given callback with	3022	Queues a query to the client, calling the given callback with
1757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1759		3025
1760	Queries can fail, so check the return code. Or don't, as queries will become	3026	Queries can fail, so check the return code. Or don't, as queries will
1761	reliable at some point in the future.	3027	become reliable at some point in the future.
1762		3028
1763	=cut	3029	=cut
1764		3030
1765	sub cf::client::query {	3031	sub cf::client::query {
1766	my ($self, $flags, $text, $cb) = @_;	3032	my ($self, $flags, $text, $cb) = @_;
…		…
1774	utf8::encode $text;	3040	utf8::encode $text;
1775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1776		3042
1777	$self->send_packet ($self->{query_queue}[0][0])	3043	$self->send_packet ($self->{query_queue}[0][0])
1778	if @{ $self->{query_queue} } == 1;	3044	if @{ $self->{query_queue} } == 1;
		3045
		3046	1
1779	}	3047	}
1780		3048
1781	cf::client->attach (	3049	cf::client->attach (
		3050	on_connect => sub {
		3051	my ($ns) = @_;
		3052
		3053	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3054	},
1782	on_reply => sub {	3055	on_reply => sub {
1783	my ($ns, $msg) = @_;	3056	my ($ns, $msg) = @_;
1784		3057
1785	# this weird shuffling is so that direct followup queries	3058	# this weird shuffling is so that direct followup queries
1786	# get handled first	3059	# get handled first
1787	my $queue = delete $ns->{query_queue}	3060	my $queue = delete $ns->{query_queue}
1788	or return; # be conservative, not sure how that can happen, but we saw a crash here	3061	or return; # be conservative, not sure how that can happen, but we saw a crash here
1789		3062
1790	(shift @$queue)->[1]->($msg);	3063	(shift @$queue)->[1]->($msg);
		3064	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1791		3065
1792	push @{ $ns->{query_queue} }, @$queue;	3066	push @{ $ns->{query_queue} }, @$queue;
1793		3067
1794	if (@{ $ns->{query_queue} } == @$queue) {	3068	if (@{ $ns->{query_queue} } == @$queue) {
1795	if (@$queue) {	3069	if (@$queue) {
…		…
1797	} else {	3071	} else {
1798	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3072	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1799	}	3073	}
1800	}	3074	}
1801	},	3075	},
		3076	on_exticmd => sub {
		3077	my ($ns, $buf) = @_;
		3078
		3079	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3080
		3081	if (ref $msg) {
		3082	my ($type, $reply, @payload) =
		3083	"ARRAY" eq ref $msg
		3084	? @$msg
		3085	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3086
		3087	my @reply;
		3088
		3089	if (my $cb = $EXTICMD{$type}) {
		3090	@reply = $cb->($ns, @payload);
		3091	}
		3092
		3093	$ns->ext_reply ($reply, @reply)
		3094	if $reply;
		3095
		3096	} else {
		3097	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3098	}
		3099
		3100	cf::override;
		3101	},
1802	);	3102	);
1803		3103
1804	=item $client->async (\&cb)	3104	=item $client->async (\&cb)
1805		3105
1806	Create a new coroutine, running the specified callback. The coroutine will	3106	Create a new coroutine, running the specified callback. The coroutine will
…		…
1847	our $safe = new Safe "safe";	3147	our $safe = new Safe "safe";
1848	our $safe_hole = new Safe::Hole;	3148	our $safe_hole = new Safe::Hole;
1849		3149
1850	$SIG{FPE} = 'IGNORE';	3150	$SIG{FPE} = 'IGNORE';
1851		3151
1852	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3152	$safe->permit_only (Opcode::opset qw(
		3153	:base_core :base_mem :base_orig :base_math :base_loop
		3154	grepstart grepwhile mapstart mapwhile
		3155	sort time
		3156	));
1853		3157
1854	# here we export the classes and methods available to script code	3158	# here we export the classes and methods available to script code
1855		3159
1856	=pod	3160	=pod
1857		3161
1858	The following fucntions and emthods are available within a safe environment:	3162	The following functions and methods are available within a safe environment:
1859		3163
1860	cf::object contr pay_amount pay_player map	3164	cf::object
		3165	contr pay_amount pay_player map x y force_find force_add destroy
		3166	insert remove name archname title slaying race decrease split
		3167	value
		3168
1861	cf::object::player player	3169	cf::object::player
1862	cf::player peaceful	3170	player
1863	cf::map trigger	3171
		3172	cf::player
		3173	peaceful
		3174
		3175	cf::map
		3176	trigger
1864		3177
1865	=cut	3178	=cut
1866		3179
1867	for (	3180	for (
1868	["cf::object" => qw(contr pay_amount pay_player map)],	3181	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3182	insert remove inv nrof name archname title slaying race
		3183	decrease split destroy change_exp value msg lore send_msg)],
1869	["cf::object::player" => qw(player)],	3184	["cf::object::player" => qw(player)],
1870	["cf::player" => qw(peaceful)],	3185	["cf::player" => qw(peaceful send_msg)],
1871	["cf::map" => qw(trigger)],	3186	["cf::map" => qw(trigger)],
1872	) {	3187	) {
1873	no strict 'refs';	3188	no strict 'refs';
1874	my ($pkg, @funs) = @$_;	3189	my ($pkg, @funs) = @$_;
1875	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1893		3208
1894	my $qcode = $code;	3209	my $qcode = $code;
1895	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3210	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1896	$qcode =~ s/\n/\\n/g;	3211	$qcode =~ s/\n/\\n/g;
1897		3212
		3213	%vars = (_dummy => 0) unless %vars;
		3214
		3215	my @res;
1898	local $_;	3216	local $_;
1899	local @safe::cf::_safe_eval_args = values %vars;
1900		3217
1901	my $eval =	3218	my $eval =
1902	"do {\n"	3219	"do {\n"
1903	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3220	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1904	. "#line 0 \"{$qcode}\"\n"	3221	. "#line 0 \"{$qcode}\"\n"
1905	. $code	3222	. $code
1906	. "\n}"	3223	. "\n}"
1907	;	3224	;
1908		3225
		3226	if ($CFG{safe_eval}) {
1909	sub_generation_inc;	3227	sub_generation_inc;
		3228	local @safe::cf::_safe_eval_args = values %vars;
1910	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3229	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1911	sub_generation_inc;	3230	sub_generation_inc;
		3231	} else {
		3232	local @cf::_safe_eval_args = values %vars;
		3233	@res = wantarray ? eval eval : scalar eval $eval;
		3234	}
1912		3235
1913	if ($@) {	3236	if ($@) {
1914	warn "$@";	3237	warn "$@";
1915	warn "while executing safe code '$code'\n";	3238	warn "while executing safe code '$code'\n";
1916	warn "with arguments " . (join " ", %vars) . "\n";	3239	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1935	=cut	3258	=cut
1936		3259
1937	sub register_script_function {	3260	sub register_script_function {
1938	my ($fun, $cb) = @_;	3261	my ($fun, $cb) = @_;
1939		3262
1940	no strict 'refs';	3263	$fun = "safe::$fun" if $CFG{safe_eval};
1941	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3264	*$fun = $safe_hole->wrap ($cb);
1942	}	3265	}
1943		3266
1944	=back	3267	=back
1945		3268
1946	=cut	3269	=cut
1947		3270
1948	#############################################################################	3271	#############################################################################
		3272	# the server's init and main functions
1949		3273
1950	=head2 EXTENSION DATABASE SUPPORT	3274	sub load_facedata($) {
		3275	my ($path) = @_;
1951		3276
1952	Crossfire maintains a very simple database for extension use. It can	3277	# HACK to clear player env face cache, we need some signal framework
1953	currently store anything that can be serialised using Storable, which	3278	# for this (global event?)
1954	excludes objects.	3279	%ext::player_env::MUSIC_FACE_CACHE = ();
1955		3280
1956	The parameter C<$family> should best start with the name of the extension	3281	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1957	using it, it should be unique.
1958		3282
1959	=over 4	3283	warn "loading facedata from $path\n";
1960		3284
1961	=item $hashref = cf::db_get $family	3285	my $facedata;
		3286	0 < aio_load $path, $facedata
		3287	or die "$path: $!";
1962		3288
1963	Return a hashref for use by the extension C<$family>, which can be	3289	$facedata = Coro::Storable::thaw $facedata;
1964	modified. After modifications, you have to call C<cf::db_dirty> or
1965	C<cf::db_sync>.
1966		3290
1967	=item $value = cf::db_get $family => $key	3291	$facedata->{version} == 2
		3292	or cf::cleanup "$path: version mismatch, cannot proceed.";
1968		3293
1969	Returns a single value from the database	3294	# patch in the exptable
1970		3295	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1971	=item cf::db_put $family => $hashref	3296	$facedata->{resource}{"res/exp_table"} = {
1972		3297	type => FT_RSRC,
1973	Stores the given family hashref into the database. Updates are delayed, if	3298	data => $exp_table,
1974	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3299	hash => (Digest::MD5::md5 $exp_table),
1975
1976	=item cf::db_put $family => $key => $value
1977
1978	Stores the given C<$value> in the family hash. Updates are delayed, if you
1979	want the data to be synced to disk immediately, use C<cf::db_sync>.
1980
1981	=item cf::db_dirty
1982
1983	Marks the database as dirty, to be updated at a later time.
1984
1985	=item cf::db_sync
1986
1987	Immediately write the database to disk I<if it is dirty>.
1988
1989	=cut
1990
1991	our $DB;
1992
1993	{
1994	my $path = cf::localdir . "/database.pst";
1995
1996	sub db_load() {
1997	$DB = stat $path ? Storable::retrieve $path : { };
1998	}
1999
2000	my $pid;
2001
2002	sub db_save() {
2003	waitpid $pid, 0 if $pid;
2004	if (0 == ($pid = fork)) {
2005	$DB->{_meta}{version} = 1;
2006	Storable::nstore $DB, "$path~";
2007	rename "$path~", $path;
2008	cf::_exit 0 if defined $pid;
2009	}
2010	}
2011
2012	my $dirty;
2013
2014	sub db_sync() {
2015	db_save if $dirty;
2016	undef $dirty;
2017	}
2018
2019	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2020	db_sync;
2021	});	3300	};
		3301	cf::cede_to_tick;
2022		3302
2023	sub db_dirty() {
2024	$dirty = 1;
2025	$idle->start;
2026	}	3303	{
		3304	my $faces = $facedata->{faceinfo};
2027		3305
2028	sub db_get($;$) {	3306	while (my ($face, $info) = each %$faces) {
2029	@_ >= 2	3307	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2030	? $DB->{$_[0]}{$_[1]}
2031	: ($DB->{$_[0]} ||= { })
2032	}
2033		3308
2034	sub db_put($$;$) {	3309	cf::face::set_visibility $idx, $info->{visibility};
2035	if (@_ >= 3) {	3310	cf::face::set_magicmap $idx, $info->{magicmap};
2036	$DB->{$_[0]}{$_[1]} = $_[2];	3311	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2037	} else {	3312	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2038	$DB->{$_[0]} = $_[1];
2039	}
2040	db_dirty;
2041	}
2042		3313
2043	cf::global->attach (	3314	cf::cede_to_tick;
2044	prio => 10000,
2045	on_cleanup => sub {
2046	db_sync;
2047	},	3315	}
2048	);
2049	}
2050		3316
2051	#############################################################################	3317	while (my ($face, $info) = each %$faces) {
2052	# the server's main()	3318	next unless $info->{smooth};
2053		3319
2054	sub cfg_load {	3320	my $idx = cf::face::find $face
		3321	or next;
		3322
		3323	if (my $smooth = cf::face::find $info->{smooth}) {
		3324	cf::face::set_smooth $idx, $smooth;
		3325	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3326	} else {
		3327	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3328	}
		3329
		3330	cf::cede_to_tick;
		3331	}
		3332	}
		3333
		3334	{
		3335	my $anims = $facedata->{animinfo};
		3336
		3337	while (my ($anim, $info) = each %$anims) {
		3338	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3339	cf::cede_to_tick;
		3340	}
		3341
		3342	cf::anim::invalidate_all; # d'oh
		3343	}
		3344
		3345	{
		3346	my $res = $facedata->{resource};
		3347
		3348	while (my ($name, $info) = each %$res) {
		3349	if (defined $info->{type}) {
		3350	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3351
		3352	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3353	cf::face::set_type $idx, $info->{type};
		3354	} else {
		3355	$RESOURCE{$name} = $info;
		3356	}
		3357
		3358	cf::cede_to_tick;
		3359	}
		3360	}
		3361
		3362	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3363
		3364	1
		3365	}
		3366
		3367	cf::global->attach (on_resource_update => sub {
		3368	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3369	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3370
		3371	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3372	my $sound = $soundconf->{compat}[$_]
		3373	or next;
		3374
		3375	my $face = cf::face::find "sound/$sound->[1]";
		3376	cf::sound::set $sound->[0] => $face;
		3377	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3378	}
		3379
		3380	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3381	my $face = cf::face::find "sound/$v";
		3382	cf::sound::set $k => $face;
		3383	}
		3384	}
		3385	});
		3386
		3387	register_exticmd fx_want => sub {
		3388	my ($ns, $want) = @_;
		3389
		3390	while (my ($k, $v) = each %$want) {
		3391	$ns->fx_want ($k, $v);
		3392	}
		3393	};
		3394
		3395	sub load_resource_file($) {
		3396	my $guard = lock_acquire "load_resource_file";
		3397
		3398	my $status = load_resource_file_ $_[0];
		3399	get_slot 0.1, 100;
		3400	cf::arch::commit_load;
		3401
		3402	$status
		3403	}
		3404
		3405	sub reload_regions {
		3406	# HACK to clear player env face cache, we need some signal framework
		3407	# for this (global event?)
		3408	%ext::player_env::MUSIC_FACE_CACHE = ();
		3409
		3410	load_resource_file "$MAPDIR/regions"
		3411	or die "unable to load regions file\n";
		3412
		3413	for (cf::region::list) {
		3414	$_->{match} = qr/$_->{match}/
		3415	if exists $_->{match};
		3416	}
		3417	}
		3418
		3419	sub reload_facedata {
		3420	load_facedata "$DATADIR/facedata"
		3421	or die "unable to load facedata\n";
		3422	}
		3423
		3424	sub reload_archetypes {
		3425	load_resource_file "$DATADIR/archetypes"
		3426	or die "unable to load archetypes\n";
		3427	}
		3428
		3429	sub reload_treasures {
		3430	load_resource_file "$DATADIR/treasures"
		3431	or die "unable to load treasurelists\n";
		3432	}
		3433
		3434	sub reload_resources {
		3435	warn "reloading resource files...\n";
		3436
		3437	reload_facedata;
		3438	reload_archetypes;
		3439	reload_regions;
		3440	reload_treasures;
		3441
		3442	warn "finished reloading resource files\n";
		3443	}
		3444
		3445	sub reload_config {
		3446	warn "reloading config file...\n";
		3447
2055	open my $fh, "<:utf8", cf::confdir . "/config"	3448	open my $fh, "<:utf8", "$CONFDIR/config"
2056	or return;	3449	or return;
2057		3450
2058	local $/;	3451	local $/;
2059	*CFG = YAML::Syck::Load <$fh>;	3452	*CFG = YAML::XS::Load scalar <$fh>;
2060		3453
2061	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3454	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2062		3455
2063	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3456	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2064	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3457	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2065		3458
2066	if (exists $CFG{mlockall}) {	3459	if (exists $CFG{mlockall}) {
2067	eval {	3460	eval {
2068	$CFG{mlockall} ? &mlockall : &munlockall	3461	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2069	and die "WARNING: m(un)lockall failed: $!\n";	3462	and die "WARNING: m(un)lockall failed: $!\n";
2070	};	3463	};
2071	warn $@ if $@;	3464	warn $@ if $@;
2072	}	3465	}
		3466
		3467	warn "finished reloading resource files\n";
		3468	}
		3469
		3470	sub pidfile() {
		3471	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3472	or die "$PIDFILE: $!";
		3473	flock $fh, &Fcntl::LOCK_EX
		3474	or die "$PIDFILE: flock: $!";
		3475	$fh
		3476	}
		3477
		3478	# make sure only one server instance is running at any one time
		3479	sub atomic {
		3480	my $fh = pidfile;
		3481
		3482	my $pid = <$fh>;
		3483	kill 9, $pid if $pid > 0;
		3484
		3485	seek $fh, 0, 0;
		3486	print $fh $$;
		3487	}
		3488
		3489	sub main_loop {
		3490	warn "EV::loop starting\n";
		3491	if (1) {
		3492	EV::loop;
		3493	}
		3494	warn "EV::loop returned\n";
		3495	goto &main_loop unless $REALLY_UNLOOP;
2073	}	3496	}
2074		3497
2075	sub main {	3498	sub main {
		3499	cf::init_globals; # initialise logging
		3500
		3501	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3502	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3503	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3504	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3505
		3506	cf::init_experience;
		3507	cf::init_anim;
		3508	cf::init_attackmess;
		3509	cf::init_dynamic;
		3510
		3511	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3512
2076	# we must not ever block the main coroutine	3513	# we must not ever block the main coroutine
2077	local $Coro::idle = sub {	3514	local $Coro::idle = sub {
2078	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3515	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2079	async { Event::one_event };	3516	(async {
		3517	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3518	EV::loop EV::LOOP_ONESHOT;
		3519	})->prio (Coro::PRIO_MAX);
2080	};	3520	};
2081		3521
2082	cfg_load;	3522	evthread_start IO::AIO::poll_fileno;
2083	db_load;	3523
		3524	cf::sync_job {
		3525	cf::load_settings;
		3526	cf::load_materials;
		3527
		3528	reload_resources;
		3529	reload_config;
		3530	db_init;
		3531
		3532	cf::init_uuid;
		3533	cf::init_signals;
		3534	cf::init_commands;
		3535	cf::init_skills;
		3536
		3537	cf::init_beforeplay;
		3538
		3539	atomic;
		3540
2084	load_extensions;	3541	load_extensions;
2085	Event::loop;	3542
		3543	utime time, time, $RUNTIMEFILE;
		3544
		3545	# no (long-running) fork's whatsoever before this point(!)
		3546	use POSIX ();
		3547	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3548
		3549	(pop @POST_INIT)->(0) while @POST_INIT;
		3550	};
		3551
		3552	main_loop;
2086	}	3553	}
2087		3554
2088	#############################################################################	3555	#############################################################################
2089	# initialisation	3556	# initialisation and cleanup
2090		3557
		3558	# install some emergency cleanup handlers
		3559	BEGIN {
		3560	our %SIGWATCHER = ();
		3561	for my $signal (qw(INT HUP TERM)) {
		3562	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3563	cf::cleanup "SIG$signal";
		3564	};
		3565	}
		3566	}
		3567
		3568	sub write_runtime_sync {
		3569	# first touch the runtime file to show we are still running:
		3570	# the fsync below can take a very very long time.
		3571
		3572	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3573
		3574	my $guard = cf::lock_acquire "write_runtime";
		3575
		3576	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3577	or return;
		3578
		3579	my $value = $cf::RUNTIME + 90 + 10;
		3580	# 10 is the runtime save interval, for a monotonic clock
		3581	# 60 allows for the watchdog to kill the server.
		3582
		3583	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3584	and return;
		3585
		3586	# always fsync - this file is important
		3587	aio_fsync $fh
		3588	and return;
		3589
		3590	# touch it again to show we are up-to-date
		3591	aio_utime $fh, undef, undef;
		3592
		3593	close $fh
		3594	or return;
		3595
		3596	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3597	and return;
		3598
		3599	warn "runtime file written.\n";
		3600
		3601	1
		3602	}
		3603
		3604	our $uuid_lock;
		3605	our $uuid_skip;
		3606
		3607	sub write_uuid_sync($) {
		3608	$uuid_skip ||= $_[0];
		3609
		3610	return if $uuid_lock;
		3611	local $uuid_lock = 1;
		3612
		3613	my $uuid = "$LOCALDIR/uuid";
		3614
		3615	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3616	or return;
		3617
		3618	my $value = uuid_seq uuid_cur;
		3619
		3620	unless ($value) {
		3621	warn "cowardly refusing to write zero uuid value!\n";
		3622	return;
		3623	}
		3624
		3625	my $value = uuid_str $value + $uuid_skip;
		3626	$uuid_skip = 0;
		3627
		3628	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3629	and return;
		3630
		3631	# always fsync - this file is important
		3632	aio_fsync $fh
		3633	and return;
		3634
		3635	close $fh
		3636	or return;
		3637
		3638	aio_rename "$uuid~", $uuid
		3639	and return;
		3640
		3641	warn "uuid file written ($value).\n";
		3642
		3643	1
		3644
		3645	}
		3646
		3647	sub write_uuid($$) {
		3648	my ($skip, $sync) = @_;
		3649
		3650	$sync ? write_uuid_sync $skip
		3651	: async { write_uuid_sync $skip };
		3652	}
		3653
		3654	sub emergency_save() {
		3655	my $freeze_guard = cf::freeze_mainloop;
		3656
		3657	warn "emergency_perl_save: enter\n";
		3658
		3659	cf::sync_job {
		3660	# this is a trade-off: we want to be very quick here, so
		3661	# save all maps without fsync, and later call a global sync
		3662	# (which in turn might be very very slow)
		3663	local $USE_FSYNC = 0;
		3664
		3665	# use a peculiar iteration method to avoid tripping on perl
		3666	# refcount bugs in for. also avoids problems with players
		3667	# and maps saved/destroyed asynchronously.
		3668	warn "emergency_perl_save: begin player save\n";
		3669	for my $login (keys %cf::PLAYER) {
		3670	my $pl = $cf::PLAYER{$login} or next;
		3671	$pl->valid or next;
		3672	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3673	$pl->save;
		3674	}
		3675	warn "emergency_perl_save: end player save\n";
		3676
		3677	warn "emergency_perl_save: begin map save\n";
		3678	for my $path (keys %cf::MAP) {
		3679	my $map = $cf::MAP{$path} or next;
		3680	$map->valid or next;
		3681	$map->save;
		3682	}
		3683	warn "emergency_perl_save: end map save\n";
		3684
		3685	warn "emergency_perl_save: begin database checkpoint\n";
		3686	BDB::db_env_txn_checkpoint $DB_ENV;
		3687	warn "emergency_perl_save: end database checkpoint\n";
		3688
		3689	warn "emergency_perl_save: begin write uuid\n";
		3690	write_uuid_sync 1;
		3691	warn "emergency_perl_save: end write uuid\n";
		3692	};
		3693
		3694	warn "emergency_perl_save: starting sync()\n";
		3695	IO::AIO::aio_sync sub {
		3696	warn "emergency_perl_save: finished sync()\n";
		3697	};
		3698
		3699	warn "emergency_perl_save: leave\n";
		3700	}
		3701
		3702	sub post_cleanup {
		3703	my ($make_core) = @_;
		3704
		3705	warn Carp::longmess "post_cleanup backtrace"
		3706	if $make_core;
		3707
		3708	my $fh = pidfile;
		3709	unlink $PIDFILE if <$fh> == $$;
		3710	}
		3711
		3712	# a safer delete_package, copied from Symbol
		3713	sub clear_package($) {
		3714	my $pkg = shift;
		3715
		3716	# expand to full symbol table name if needed
		3717	unless ($pkg =~ /^main::.*::$/) {
		3718	$pkg = "main$pkg" if $pkg =~ /^::/;
		3719	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3720	$pkg .= '::' unless $pkg =~ /::$/;
		3721	}
		3722
		3723	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3724	my $stem_symtab = *{$stem}{HASH};
		3725
		3726	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3727	or return;
		3728
		3729	# clear all symbols
		3730	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3731	for my $name (keys %$leaf_symtab) {
		3732	_gv_clear *{"$pkg$name"};
		3733	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3734	}
		3735	warn "cleared package $pkg\n";#d#
		3736	}
		3737
2091	sub reload() {	3738	sub do_reload_perl() {
2092	# can/must only be called in main	3739	# can/must only be called in main
2093	if ($Coro::current != $Coro::main) {	3740	if ($Coro::current != $Coro::main) {
2094	warn "can only reload from main coroutine\n";	3741	warn "can only reload from main coroutine";
2095	return;	3742	return;
2096	}	3743	}
2097		3744
		3745	return if $RELOAD++;
		3746
		3747	my $t1 = EV::time;
		3748
		3749	while ($RELOAD) {
2098	warn "reloading...";	3750	warn "reloading...";
2099		3751
2100	my $guard = freeze_mainloop;	3752	warn "entering sync_job";
		3753
		3754	cf::sync_job {
		3755	cf::write_runtime_sync; # external watchdog should not bark
2101	cf::emergency_save;	3756	cf::emergency_save;
		3757	cf::write_runtime_sync; # external watchdog should not bark
2102		3758
2103	eval {	3759	warn "syncing database to disk";
		3760	BDB::db_env_txn_checkpoint $DB_ENV;
		3761
2104	# if anything goes wrong in here, we should simply crash as we already saved	3762	# if anything goes wrong in here, we should simply crash as we already saved
2105		3763
2106	# cancel all watchers	3764	warn "flushing outstanding aio requests";
2107	for (Event::all_watchers) {	3765	while (IO::AIO::nreqs || BDB::nreqs) {
2108	$_->cancel if $_->data & WF_AUTOCANCEL;	3766	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2109	}
2110
2111	# cancel all extension coros
2112	$_->cancel for values %EXT_CORO;
2113	%EXT_CORO = ();
2114
2115	# unload all extensions
2116	for (@exts) {
2117	warn "unloading <$_>";
2118	unload_extension $_;
2119	}
2120
2121	# unload all modules loaded from $LIBDIR
2122	while (my ($k, $v) = each %INC) {
2123	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2124
2125	warn "removing <$k>";
2126	delete $INC{$k};
2127
2128	$k =~ s/\.pm$//;
2129	$k =~ s/\//::/g;
2130
2131	if (my $cb = $k->can ("unload_module")) {
2132	$cb->();
2133	}	3767	}
2134		3768
2135	Symbol::delete_package $k;	3769	warn "cancelling all extension coros";
		3770	$_->cancel for values %EXT_CORO;
		3771	%EXT_CORO = ();
		3772
		3773	warn "removing commands";
		3774	%COMMAND = ();
		3775
		3776	warn "removing ext/exti commands";
		3777	%EXTCMD = ();
		3778	%EXTICMD = ();
		3779
		3780	warn "unloading/nuking all extensions";
		3781	for my $pkg (@EXTS) {
		3782	warn "... unloading $pkg";
		3783
		3784	if (my $cb = $pkg->can ("unload")) {
		3785	eval {
		3786	$cb->($pkg);
		3787	1
		3788	} or warn "$pkg unloaded, but with errors: $@";
		3789	}
		3790
		3791	warn "... clearing $pkg";
		3792	clear_package $pkg;
2136	}	3793	}
2137		3794
2138	# sync database to disk	3795	warn "unloading all perl modules loaded from $LIBDIR";
2139	cf::db_sync;	3796	while (my ($k, $v) = each %INC) {
2140	IO::AIO::flush;	3797	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2141		3798
		3799	warn "... unloading $k";
		3800	delete $INC{$k};
		3801
		3802	$k =~ s/\.pm$//;
		3803	$k =~ s/\//::/g;
		3804
		3805	if (my $cb = $k->can ("unload_module")) {
		3806	$cb->();
		3807	}
		3808
		3809	clear_package $k;
		3810	}
		3811
2142	# get rid of safe::, as good as possible	3812	warn "getting rid of safe::, as good as possible";
2143	Symbol::delete_package "safe::$_"	3813	clear_package "safe::$_"
2144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3814	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2145		3815
2146	# remove register_script_function callbacks	3816	warn "unloading cf.pm \"a bit\"";
2147	# TODO
2148
2149	# unload cf.pm "a bit"
2150	delete $INC{"cf.pm"};	3817	delete $INC{"cf.pm"};
		3818	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2151		3819
2152	# don't, removes xs symbols, too,	3820	# don't, removes xs symbols, too,
2153	# and global variables created in xs	3821	# and global variables created in xs
2154	#Symbol::delete_package __PACKAGE__;	3822	#clear_package __PACKAGE__;
2155		3823
2156	# reload cf.pm	3824	warn "unload completed, starting to reload now";
		3825
2157	warn "reloading cf.pm";	3826	warn "reloading cf.pm";
2158	require cf;	3827	require cf;
2159	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3828	cf::_connect_to_perl_1;
2160		3829
2161	# load config and database again	3830	warn "loading config and database again";
2162	cf::cfg_load;	3831	cf::reload_config;
2163	cf::db_load;
2164		3832
2165	# load extensions
2166	warn "load extensions";	3833	warn "loading extensions";
2167	cf::load_extensions;	3834	cf::load_extensions;
2168		3835
2169	# reattach attachments to objects	3836	if ($REATTACH_ON_RELOAD) {
		3837	warn "reattaching attachments to objects/players";
		3838	_global_reattach; # objects, sockets
		3839	warn "reattaching attachments to maps";
		3840	reattach $_ for values %MAP;
		3841	warn "reattaching attachments to players";
		3842	reattach $_ for values %PLAYER;
		3843	}
		3844
		3845	warn "running post_init jobs";
		3846	(pop @POST_INIT)->(1) while @POST_INIT;
		3847
		3848	warn "leaving sync_job";
		3849
		3850	1
		3851	} or do {
		3852	warn $@;
		3853	cf::cleanup "error while reloading, exiting.";
		3854	};
		3855
2170	warn "reattach";	3856	warn "reloaded";
2171	_global_reattach;	3857	--$RELOAD;
		3858	}
		3859
		3860	$t1 = EV::time - $t1;
		3861	warn "reload completed in ${t1}s\n";
		3862	};
		3863
		3864	our $RELOAD_WATCHER; # used only during reload
		3865
		3866	sub reload_perl() {
		3867	# doing reload synchronously and two reloads happen back-to-back,
		3868	# coro crashes during coro_state_free->destroy here.
		3869
		3870	$RELOAD_WATCHER ||= cf::async {
		3871	Coro::AIO::aio_wait cache_extensions;
		3872
		3873	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3874	do_reload_perl;
		3875	undef $RELOAD_WATCHER;
		3876	};
2172	};	3877	};
2173
2174	if ($@) {
2175	warn $@;
2176	warn "error while reloading, exiting.";
2177	exit 1;
2178	}
2179
2180	warn "reloaded successfully";
2181	};
2182
2183	#############################################################################
2184
2185	unless ($LINK_MAP) {
2186	$LINK_MAP = cf::map::new;
2187
2188	$LINK_MAP->width (41);
2189	$LINK_MAP->height (41);
2190	$LINK_MAP->alloc;
2191	$LINK_MAP->path ("{link}");
2192	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2193	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2194
2195	# dirty hack because... archetypes are not yet loaded
2196	Event->timer (
2197	after => 10,
2198	cb => sub {
2199	$_[0]->w->cancel;
2200
2201	# provide some exits "home"
2202	my $exit = cf::object::new "exit";
2203
2204	$exit->slaying ($EMERGENCY_POSITION->[0]);
2205	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2206	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2207
2208	$LINK_MAP->insert ($exit->clone, 19, 19);
2209	$LINK_MAP->insert ($exit->clone, 19, 20);
2210	$LINK_MAP->insert ($exit->clone, 19, 21);
2211	$LINK_MAP->insert ($exit->clone, 20, 19);
2212	$LINK_MAP->insert ($exit->clone, 20, 21);
2213	$LINK_MAP->insert ($exit->clone, 21, 19);
2214	$LINK_MAP->insert ($exit->clone, 21, 20);
2215	$LINK_MAP->insert ($exit->clone, 21, 21);
2216
2217	$exit->destroy;
2218	});
2219
2220	$LINK_MAP->{deny_save} = 1;
2221	$LINK_MAP->{deny_reset} = 1;
2222
2223	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2224	}	3878	}
2225
2226	register "<global>", __PACKAGE__;
2227		3879
2228	register_command "reload" => sub {	3880	register_command "reload" => sub {
2229	my ($who, $arg) = @_;	3881	my ($who, $arg) = @_;
2230		3882
2231	if ($who->flag (FLAG_WIZ)) {	3883	if ($who->flag (FLAG_WIZ)) {
2232	$who->message ("start of reload.");
2233	reload;
2234	$who->message ("end of reload.");	3884	$who->message ("reloading server.");
		3885	async {
		3886	$Coro::current->{desc} = "perl_reload";
		3887	reload_perl;
		3888	};
2235	}	3889	}
2236	};	3890	};
2237		3891
2238	unshift @INC, $LIBDIR;	3892	unshift @INC, $LIBDIR;
2239		3893
2240	$TICK_WATCHER = Event->timer (	3894	my $bug_warning = 0;
2241	reentrant => 0,	3895
2242	prio => 0,	3896	our @WAIT_FOR_TICK;
2243	at => $NEXT_TICK || $TICK,	3897	our @WAIT_FOR_TICK_BEGIN;
2244	data => WF_AUTOCANCEL,	3898
2245	cb => sub {	3899	sub wait_for_tick {
		3900	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3901
		3902	my $signal = new Coro::Signal;
		3903	push @WAIT_FOR_TICK, $signal;
		3904	$signal->wait;
		3905	}
		3906
		3907	sub wait_for_tick_begin {
		3908	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3909
		3910	my $signal = new Coro::Signal;
		3911	push @WAIT_FOR_TICK_BEGIN, $signal;
		3912	$signal->wait;
		3913	}
		3914
		3915	sub tick {
		3916	if ($Coro::current != $Coro::main) {
		3917	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3918	unless ++$bug_warning > 10;
		3919	return;
		3920	}
		3921
2246	cf::server_tick; # one server iteration	3922	cf::server_tick; # one server iteration
2247	$RUNTIME += $TICK;
2248	$NEXT_TICK += $TICK;
2249		3923
2250	# if we are delayed by four ticks or more, skip them all	3924	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2251	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2252		3925
2253	$TICK_WATCHER->at ($NEXT_TICK);	3926	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2254	$TICK_WATCHER->start;	3927	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2255	},	3928	Coro::async_pool {
2256	);	3929	$Coro::current->{desc} = "runtime saver";
2257
2258	IO::AIO::max_poll_time $TICK * 0.2;
2259
2260	Event->io (
2261	fd => IO::AIO::poll_fileno,
2262	poll => 'r',
2263	prio => 5,
2264	data => WF_AUTOCANCEL,
2265	cb => \&IO::AIO::poll_cb,
2266	);
2267
2268	Event->timer (
2269	data => WF_AUTOCANCEL,
2270	after => 0,
2271	interval => 10,
2272	cb => sub {
2273	(Coro::unblock_sub {
2274	write_runtime	3930	write_runtime_sync
2275	or warn "ERROR: unable to write runtime file: $!";	3931	or warn "ERROR: unable to write runtime file: $!";
2276	})->();	3932	};
2277	},	3933	}
2278	);	3934
		3935	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3936	$sig->send;
		3937	}
		3938	while (my $sig = shift @WAIT_FOR_TICK) {
		3939	$sig->send;
		3940	}
		3941
		3942	$LOAD = ($NOW - $TICK_START) / $TICK;
		3943	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3944
		3945	if (0) {
		3946	if ($NEXT_TICK) {
		3947	my $jitter = $TICK_START - $NEXT_TICK;
		3948	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3949	warn "jitter $JITTER\n";#d#
		3950	}
		3951	}
		3952	}
		3953
		3954	{
		3955	# configure BDB
		3956
		3957	BDB::min_parallel 16;
		3958	BDB::max_poll_reqs $TICK * 0.1;
		3959	$AnyEvent::BDB::WATCHER->priority (1);
		3960
		3961	unless ($DB_ENV) {
		3962	$DB_ENV = BDB::db_env_create;
		3963	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3964	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3965	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3966	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3967	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3968
		3969	cf::sync_job {
		3970	eval {
		3971	BDB::db_env_open
		3972	$DB_ENV,
		3973	$BDBDIR,
		3974	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3975	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3976	0666;
		3977
		3978	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3979	};
		3980
		3981	cf::cleanup "db_env_open(db): $@" if $@;
		3982	};
		3983	}
		3984
		3985	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3986	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3987	};
		3988	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3989	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3990	};
		3991	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3992	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3993	};
		3994	}
		3995
		3996	{
		3997	# configure IO::AIO
		3998
		3999	IO::AIO::min_parallel 8;
		4000	IO::AIO::max_poll_time $TICK * 0.1;
		4001	undef $AnyEvent::AIO::WATCHER;
		4002	}
		4003
		4004	my $_log_backtrace;
		4005
		4006	sub _log_backtrace {
		4007	my ($msg, @addr) = @_;
		4008
		4009	$msg =~ s/\n//;
		4010
		4011	# limit the # of concurrent backtraces
		4012	if ($_log_backtrace < 2) {
		4013	++$_log_backtrace;
		4014	my $perl_bt = Carp::longmess $msg;
		4015	async {
		4016	$Coro::current->{desc} = "abt $msg";
		4017
		4018	my @bt = fork_call {
		4019	@addr = map { sprintf "%x", $_ } @addr;
		4020	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4021	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4022	or die "addr2line: $!";
		4023
		4024	my @funcs;
		4025	my @res = <$fh>;
		4026	chomp for @res;
		4027	while (@res) {
		4028	my ($func, $line) = splice @res, 0, 2, ();
		4029	push @funcs, "[$func] $line";
		4030	}
		4031
		4032	@funcs
		4033	};
		4034
		4035	LOG llevInfo, "[ABT] $perl_bt\n";
		4036	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4037	LOG llevInfo, "[ABT] $_\n" for @bt;
		4038	--$_log_backtrace;
		4039	};
		4040	} else {
		4041	LOG llevInfo, "[ABT] $msg\n";
		4042	LOG llevInfo, "[ABT] [suppressed]\n";
		4043	}
		4044	}
		4045
		4046	# load additional modules
		4047	require "cf/$_.pm" for @EXTRA_MODULES;
		4048	cf::_connect_to_perl_2;
2279		4049
2280	END { cf::emergency_save }	4050	END { cf::emergency_save }
2281		4051
2282	1	4052	1
2283		4053

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