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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.120 by root, Tue Jan 2 11:08:36 2007 UTC vs.
Revision 1.483 by root, Mon Oct 12 04:02:17 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.3;	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
		55	use Data::Dumper;
20	use Digest::MD5;	56	use Digest::MD5;
21	use Fcntl;	57	use Fcntl;
		58	use YAML ();
22	use IO::AIO 2.31 ();	59	use IO::AIO ();
23	use YAML::Syck ();
24	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
25		63
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
27		65
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	66	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		70
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		76
		77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		79
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		81
35	our %COMMAND = ();	82	our %COMMAND = ();
36	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
		84
		85	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
		88	our %EXT_CORO = (); # coroutines bound to extensions
		89	our %EXT_MAP = (); # pluggable maps
38		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	92	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
41		95
42	our $TICK = MAX_TIME * 1e-6;	96	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	97	our $DATADIR = datadir;
		98	our $LIBDIR = "$DATADIR/ext";
		99	our $PODDIR = "$DATADIR/pod";
		100	our $MAPDIR = "$DATADIR/" . mapdir;
		101	our $LOCALDIR = localdir;
		102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		105	our $RANDOMDIR = "$LOCALDIR/random";
		106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
		111
		112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	114	our $NEXT_TICK;
45	our $NOW;	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
		119	our $BDB_TRICKLE_WATCHER;
		120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod match mapscript);
46		123
47	our %CFG;	124	our %CFG;
48		125
49	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
51		129
52	our %MAP; # all maps	130	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	131	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	132	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	133
56	our %EXT_CORO;	134	# used to convert map paths into valid unix filenames by replacing / by ∕
		135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		136
		137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
		140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
57		146
58	binmode STDOUT;	147	binmode STDOUT;
59	binmode STDERR;	148	binmode STDERR;
60		149
61	# read virtual server time, if available	150	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
66	}	155	}
67		156
68	mkdir cf::localdir;	157	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		158
74	# a special map that is always available	159	mkdir $_
75	our $LINK_MAP;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76		161
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	162	our $EMERGENCY_POSITION;
		163
		164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
		173
		174	# this is decidedly evil
		175	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
78		176
79	#############################################################################	177	#############################################################################
80		178
81	=head2 GLOBAL VARIABLES	179	=head2 GLOBAL VARIABLES
82		180
…		…
89	=item $cf::RUNTIME	187	=item $cf::RUNTIME
90		188
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	189	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	190	every server tick.
93		191
94	=item $cf::LIBDIR	192	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		193	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		194	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		195
96	The perl library directory, where extensions and cf-specific modules can	196	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	197	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		198	unique-items directory, player file directory, random maps directory and
		199	database environment.
98		200
99	=item $cf::NOW	201	=item $cf::NOW
100		202
101	The time of the last (current) server tick.	203	The time of the last (current) server tick.
102		204
103	=item $cf::TICK	205	=item $cf::TICK
104		206
105	The interval between server ticks, in seconds.	207	The interval between server ticks, in seconds.
106		208
		209	=item $cf::LOADAVG
		210
		211	The current CPU load on the server (alpha-smoothed), as a value between 0
		212	(none) and 1 (overloaded), indicating how much time is spent on processing
		213	objects per tick. Healthy values are < 0.5.
		214
		215	=item $cf::LOAD
		216
		217	The raw value load value from the last tick.
		218
107	=item %cf::CFG	219	=item %cf::CFG
108		220
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	221	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	222	from wherever your confdir points to.
111		223
		224	=item cf::wait_for_tick, cf::wait_for_tick_begin
		225
		226	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		227	returns directly I<after> the tick processing (and consequently, can only wake one process
		228	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		229
		230	=item @cf::INVOKE_RESULTS
		231
		232	This array contains the results of the last C<invoke ()> call. When
		233	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		234	that call.
		235
		236	=item %cf::REFLECT
		237
		238	Contains, for each (C++) class name, a hash reference with information
		239	about object members (methods, scalars, arrays and flags) and other
		240	metadata, which is useful for introspection.
		241
112	=back	242	=back
113		243
114	=cut	244	=cut
115		245
116	BEGIN {	246	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	247	my $msg = join "", @_;
119	utf8::encode $msg;
120		248
121	$msg .= "\n"	249	$msg .= "\n"
122	unless $msg =~ /\n$/;	250	unless $msg =~ /\n$/;
123		251
		252	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		253
124	LOG llevError, "cfperl: $msg";	254	LOG llevError, $msg;
125	};	255	};
126	}	256
		257	$Coro::State::DIEHOOK = sub {
		258	return unless $^S eq 0; # "eq", not "=="
		259
		260	warn Carp::longmess $_[0];
		261
		262	if ($Coro::current == $Coro::main) {#d#
		263	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		264	return;#d#
		265	}#d#
		266
		267	# kill coroutine otherwise
		268	Coro::terminate
		269	};
127		270
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	271	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	272	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	273	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	274	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	275	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		276	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	277	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		278
135	# we bless all objects into (empty) derived classes to force a method lookup	279	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	280	# within the Safe compartment.
137	for my $pkg (qw(	281	for my $pkg (qw(
138	cf::global cf::attachable	282	cf::global cf::attachable
139	cf::object cf::object::player	283	cf::object cf::object::player
140	cf::client cf::player	284	cf::client cf::player
141	cf::arch cf::living	285	cf::arch cf::living
		286	cf::map cf::mapspace
142	cf::map cf::party cf::region	287	cf::party cf::region
143	)) {	288	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	289	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	290	}
147		291
148	$Event::DIED = sub {	292	$EV::DIED = sub {
149	warn "error in event callback: @_";	293	warn "error in event callback: @_";
150	};	294	};
151		295
152	my %ext_pkg;	296	#############################################################################
153	my @exts;
154	my @hook;
155		297
156	=head2 UTILITY FUNCTIONS	298	=head2 UTILITY FUNCTIONS
157		299
158	=over 4	300	=over 4
159		301
160	=cut	302	=item dumpval $ref
161		303
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	304	=cut
163		305
		306	sub dumpval {
		307	eval {
		308	local $SIG{__DIE__};
		309	my $d;
		310	if (1) {
		311	$d = new Data::Dumper([$_[0]], ["*var"]);
		312	$d->Terse(1);
		313	$d->Indent(2);
		314	$d->Quotekeys(0);
		315	$d->Useqq(1);
		316	#$d->Bless(...);
		317	$d->Seen($_[1]) if @_ > 1;
		318	$d = $d->Dump();
		319	}
		320	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		321	$d
		322	} || "[unable to dump $_[0]: '$@']";
		323	}
		324
164	=item $ref = cf::from_json $json	325	=item $ref = cf::decode_json $json
165		326
166	Converts a JSON string into the corresponding perl data structure.	327	Converts a JSON string into the corresponding perl data structure.
167		328
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	329	=item $json = cf::encode_json $ref
176		330
177	Converts a perl data structure into its JSON representation.	331	Converts a perl data structure into its JSON representation.
178		332
179	=cut	333	=cut
180		334
181	sub to_json($) {	335	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		336
186	=item my $guard = cf::guard { BLOCK }	337	sub encode_json($) { $json_coder->encode ($_[0]) }
		338	sub decode_json($) { $json_coder->decode ($_[0]) }
187		339
188	Run the given callback when the guard object gets destroyed (useful for	340	=item cf::post_init { BLOCK }
189	coroutine cancellations).
190		341
191	You can call C<< ->cancel >> on the guard object to stop the block from	342	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
192	being executed.	343	but I<before> the server starts ticking again.
193		344
194	=cut	345	The cdoeblock will have a single boolean argument to indicate whether this
		346	is a reload or not.
195		347
196	sub guard(&) {	348	=cut
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199		349
200	sub cf::guard::cancel {	350	sub post_init(&) {
201	${$_[0]} = sub { };	351	push @POST_INIT, shift;
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}	352	}
207		353
208	=item cf::lock_wait $string	354	=item cf::lock_wait $string
209		355
210	Wait until the given lock is available. See cf::lock_acquire.	356	Wait until the given lock is available. See cf::lock_acquire.
211		357
212	=item my $lock = cf::lock_acquire $string	358	=item my $lock = cf::lock_acquire $string
213		359
214	Wait until the given lock is available and then acquires it and returns	360	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	361	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	362	for example when the coroutine gets canceled), the lock is automatically
217	returned.	363	returned.
218		364
		365	Locks are *not* recursive, locking from the same coro twice results in a
		366	deadlocked coro.
		367
219	Lock names should begin with a unique identifier (for example, find_map	368	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	369	uses map_find and cf::map::load uses map_load).
221		370
222	=cut	371	=item $locked = cf::lock_active $string
223		372
224	our %LOCK;	373	Return true if the lock is currently active, i.e. somebody has locked it.
		374
		375	=cut
		376
		377	our $LOCKS = new Coro::SemaphoreSet;
225		378
226	sub lock_wait($) {	379	sub lock_wait($) {
227	my ($key) = @_;	380	$LOCKS->wait ($_[0]);
228
229	# wait for lock, if any
230	while ($LOCK{$key}) {
231	push @{ $LOCK{$key} }, $Coro::current;
232	Coro::schedule;
233	}
234	}	381	}
235		382
236	sub lock_acquire($) {	383	sub lock_acquire($) {
237	my ($key) = @_;	384	$LOCKS->guard ($_[0])
238
239	# wait, to be sure we are not locked
240	lock_wait $key;
241
242	$LOCK{$key} = [];
243
244	cf::guard {
245	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };
247	}
248	}	385	}
		386
		387	sub lock_active($) {
		388	$LOCKS->count ($_[0]) < 1
		389	}
		390
		391	sub freeze_mainloop {
		392	tick_inhibit_inc;
		393
		394	&Guard::guard (\&tick_inhibit_dec);
		395	}
		396
		397	=item cf::periodic $interval, $cb
		398
		399	Like EV::periodic, but randomly selects a starting point so that the actions
		400	get spread over timer.
		401
		402	=cut
		403
		404	sub periodic($$) {
		405	my ($interval, $cb) = @_;
		406
		407	my $start = rand List::Util::min 180, $interval;
		408
		409	EV::periodic $start, $interval, 0, $cb
		410	}
		411
		412	=item cf::get_slot $time[, $priority[, $name]]
		413
		414	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		415	This call blocks and returns only when you have at least C<$time> seconds
		416	of cpu time till the next tick. The slot is only valid till the next cede.
		417
		418	The optional C<$name> can be used to identify the job to run. It might be
		419	used for statistical purposes and should identify the same time-class.
		420
		421	Useful for short background jobs.
		422
		423	=cut
		424
		425	our @SLOT_QUEUE;
		426	our $SLOT_QUEUE;
		427
		428	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		429	$SLOT_QUEUE = Coro::async {
		430	$Coro::current->desc ("timeslot manager");
		431
		432	my $signal = new Coro::Signal;
		433
		434	while () {
		435	next_job:
		436	my $avail = cf::till_tick;
		437	if ($avail > 0.01) {
		438	for (0 .. $#SLOT_QUEUE) {
		439	if ($SLOT_QUEUE[$_][0] < $avail) {
		440	my $job = splice @SLOT_QUEUE, $_, 1, ();
		441	$job->[2]->send;
		442	Coro::cede;
		443	goto next_job;
		444	}
		445	}
		446	}
		447
		448	if (@SLOT_QUEUE) {
		449	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		450	push @cf::WAIT_FOR_TICK, $signal;
		451	$signal->wait;
		452	} else {
		453	Coro::schedule;
		454	}
		455	}
		456	};
		457
		458	sub get_slot($;$$) {
		459	return if tick_inhibit || $Coro::current == $Coro::main;
		460
		461	my ($time, $pri, $name) = @_;
		462
		463	$time = $TICK * .6 if $time > $TICK * .6;
		464	my $sig = new Coro::Signal;
		465
		466	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		467	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		468	$SLOT_QUEUE->ready;
		469	$sig->wait;
		470	}
		471
		472	=item cf::async { BLOCK }
		473
		474	Currently the same as Coro::async_pool, meaning you cannot use
		475	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		476	thing you are allowed to do is call C<prio> on it.
		477
		478	=cut
		479
		480	BEGIN { *async = \&Coro::async_pool }
249		481
250	=item cf::sync_job { BLOCK }	482	=item cf::sync_job { BLOCK }
251		483
252	The design of crossfire+ requires that the main coro ($Coro::main) is	484	The design of Deliantra requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	485	is always able to handle events or runnable, as Deliantra is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	486	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		487	acceptable.
255		488
256	If it must be done, put the blocking parts into C<sync_job>. This will run	489	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	490	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	491	server will be frozen during this time, so the block should either finish
259	fast or be very important.	492	fast or be very important.
…		…
262		495
263	sub sync_job(&) {	496	sub sync_job(&) {
264	my ($job) = @_;	497	my ($job) = @_;
265		498
266	if ($Coro::current == $Coro::main) {	499	if ($Coro::current == $Coro::main) {
		500	my $time = EV::time;
		501
267	# this is the main coro, too bad, we have to block	502	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	503	# till the operation succeeds, freezing the server :/
269		504
270	# TODO: use suspend/resume instead	505	LOG llevError, Carp::longmess "sync job";#d#
271	# (but this is cancel-safe)	506
272	local $FREEZE = 1;	507	my $freeze_guard = freeze_mainloop;
273		508
274	my $busy = 1;	509	my $busy = 1;
275	my @res;	510	my @res;
276		511
277	(Coro::async {	512	(async {
		513	$Coro::current->desc ("sync job coro");
278	@res = eval { $job->() };	514	@res = eval { $job->() };
279	warn $@ if $@;	515	warn $@ if $@;
280	undef $busy;	516	undef $busy;
281	})->prio (Coro::PRIO_MAX);	517	})->prio (Coro::PRIO_MAX);
282		518
283	while ($busy) {	519	while ($busy) {
		520	if (Coro::nready) {
284	Coro::cede_notself;	521	Coro::cede_notself;
285	Event::one_event unless Coro::nready;	522	} else {
		523	EV::loop EV::LOOP_ONESHOT;
286	}	524	}
		525	}
		526
		527	my $time = EV::time - $time;
		528
		529	$TICK_START += $time; # do not account sync jobs to server load
287		530
288	wantarray ? @res : $res[0]	531	wantarray ? @res : $res[0]
289	} else {	532	} else {
290	# we are in another coroutine, how wonderful, everything just works	533	# we are in another coroutine, how wonderful, everything just works
291		534
292	$job->()	535	$job->()
293	}	536	}
294	}	537	}
295		538
296	=item $coro = cf::coro { BLOCK }	539	=item $coro = cf::async_ext { BLOCK }
297		540
298	Creates and returns a new coro. This coro is automcatially being canceled	541	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	542	extension calling this is being unloaded.
300		543
301	=cut	544	=cut
302		545
303	sub coro(&) {	546	sub async_ext(&) {
304	my $cb = shift;	547	my $cb = shift;
305		548
306	my $coro; $coro = async {	549	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		550
313	$coro->on_destroy (sub {	551	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	552	delete $EXT_CORO{$coro+0};
315	});	553	});
316	$EXT_CORO{$coro+0} = $coro;	554	$EXT_CORO{$coro+0} = $coro;
317		555
318	$coro	556	$coro
319	}	557	}
320		558
321	sub write_runtime {	559	=item fork_call { }, $args
322	my $runtime = cf::localdir . "/runtime";
323		560
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	561	Executes the given code block with the given arguments in a seperate
325	or return;	562	process, returning the results. Everything must be serialisable with
		563	Coro::Storable. May, of course, block. Note that the executed sub may
		564	never block itself or use any form of event handling.
326		565
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	566	=cut
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;
330		567
331	aio_fsync $fh	568	sub fork_call(&@) {
332	and return;	569	my ($cb, @args) = @_;
333		570
334	close $fh	571	# we seemingly have to make a local copy of the whole thing,
335	or return;	572	# otherwise perl prematurely frees the stuff :/
		573	# TODO: investigate and fix (likely this will be rather laborious)
336		574
337	aio_rename "$runtime~", $runtime	575	my @res = Coro::Util::fork_eval {
338	and return;	576	reset_signals;
		577	&$cb
		578	}, @args;
339		579
		580	wantarray ? @res : $res[-1]
		581	}
		582
		583	=item $coin = coin_from_name $name
		584
		585	=cut
		586
		587	our %coin_alias = (
		588	"silver" => "silvercoin",
		589	"silvercoin" => "silvercoin",
		590	"silvercoins" => "silvercoin",
		591	"gold" => "goldcoin",
		592	"goldcoin" => "goldcoin",
		593	"goldcoins" => "goldcoin",
		594	"platinum" => "platinacoin",
		595	"platinumcoin" => "platinacoin",
		596	"platinumcoins" => "platinacoin",
		597	"platina" => "platinacoin",
		598	"platinacoin" => "platinacoin",
		599	"platinacoins" => "platinacoin",
		600	"royalty" => "royalty",
		601	"royalties" => "royalty",
		602	);
		603
		604	sub coin_from_name($) {
		605	$coin_alias{$_[0]}
		606	? cf::arch::find $coin_alias{$_[0]}
		607	: undef
		608	}
		609
		610	=item $value = cf::db_get $family => $key
		611
		612	Returns a single value from the environment database.
		613
		614	=item cf::db_put $family => $key => $value
		615
		616	Stores the given C<$value> in the family. It can currently store binary
		617	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		618
		619	=item $db = cf::db_table "name"
		620
		621	Create and/or open a new database table. The string must not be "db" and must be unique
		622	within each server.
		623
		624	=cut
		625
		626	sub db_table($) {
		627	my ($name) = @_;
		628	my $db = BDB::db_create $DB_ENV;
		629
		630	eval {
		631	$db->set_flags (BDB::CHKSUM);
		632
		633	utf8::encode $name;
		634	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		635	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		636	cf::cleanup "db_open(db): $!" if $!;
		637	};
		638	cf::cleanup "db_open(db): $@" if $@;
		639
		640	$db
		641	}
		642
		643	our $DB;
		644
		645	sub db_init {
		646	cf::sync_job {
		647	$DB ||= db_table "db";
		648	};
		649	}
		650
		651	sub db_get($$) {
		652	my $key = "$_[0]/$_[1]";
		653
		654	cf::sync_job {
		655	BDB::db_get $DB, undef, $key, my $data;
		656
		657	$! ? ()
		658	: $data
340	1	659	}
		660	}
		661
		662	sub db_put($$$) {
		663	BDB::dbreq_pri 4;
		664	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		665	}
		666
		667	=item cf::cache $id => [$paths...], $processversion => $process
		668
		669	Generic caching function that returns the value of the resource $id,
		670	caching and regenerating as required.
		671
		672	This function can block.
		673
		674	=cut
		675
		676	sub cache {
		677	my ($id, $src, $processversion, $process) = @_;
		678
		679	my $meta =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	aio_stat $_
		684	and Carp::croak "$_: $!";
		685
		686	($_, (stat _)[7,9])
		687	} @$src;
		688
		689	my $dbmeta = db_get cache => "$id/meta";
		690	if ($dbmeta ne $meta) {
		691	# changed, we may need to process
		692
		693	my @data;
		694	my $md5;
		695
		696	for (0 .. $#$src) {
		697	0 <= aio_load $src->[$_], $data[$_]
		698	or Carp::croak "$src->[$_]: $!";
		699	}
		700
		701	# if processing is expensive, check
		702	# checksum first
		703	if (1) {
		704	$md5 =
		705	join "\x00",
		706	$processversion,
		707	map {
		708	cf::cede_to_tick;
		709	($src->[$_], Digest::MD5::md5_hex $data[$_])
		710	} 0.. $#$src;
		711
		712
		713	my $dbmd5 = db_get cache => "$id/md5";
		714	if ($dbmd5 eq $md5) {
		715	db_put cache => "$id/meta", $meta;
		716
		717	return db_get cache => "$id/data";
		718	}
		719	}
		720
		721	my $t1 = Time::HiRes::time;
		722	my $data = $process->(\@data);
		723	my $t2 = Time::HiRes::time;
		724
		725	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		726
		727	db_put cache => "$id/data", $data;
		728	db_put cache => "$id/md5" , $md5;
		729	db_put cache => "$id/meta", $meta;
		730
		731	return $data;
		732	}
		733
		734	db_get cache => "$id/data"
		735	}
		736
		737	=item cf::datalog type => key => value, ...
		738
		739	Log a datalog packet of the given type with the given key-value pairs.
		740
		741	=cut
		742
		743	sub datalog($@) {
		744	my ($type, %kv) = @_;
		745	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
341	}	746	}
342		747
343	=back	748	=back
344		749
345	=cut	750	=cut
346		751
347	#############################################################################	752	#############################################################################
348		753
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466
467	#############################################################################
468
469	=head2 ATTACHABLE OBJECTS	754	=head2 ATTACHABLE OBJECTS
470		755
471	Many objects in crossfire are so-called attachable objects. That means you can	756	Many objects in deliantra are so-called attachable objects. That means you can
472	attach callbacks/event handlers (a collection of which is called an "attachment")	757	attach callbacks/event handlers (a collection of which is called an "attachment")
473	to it. All such attachable objects support the following methods.	758	to it. All such attachable objects support the following methods.
474		759
475	In the following description, CLASS can be any of C<global>, C<object>	760	In the following description, CLASS can be any of C<global>, C<object>
476	C<player>, C<client> or C<map> (i.e. the attachable objects in	761	C<player>, C<client> or C<map> (i.e. the attachable objects in
477	crossfire+).	762	Deliantra).
478		763
479	=over 4	764	=over 4
480		765
481	=item $attachable->attach ($attachment, key => $value...)	766	=item $attachable->attach ($attachment, key => $value...)
482		767
…		…
526	=item cf::CLASS::attachment $name, ...	811	=item cf::CLASS::attachment $name, ...
527		812
528	Register an attachment by C<$name> through which attachable objects of the	813	Register an attachment by C<$name> through which attachable objects of the
529	given CLASS can refer to this attachment.	814	given CLASS can refer to this attachment.
530		815
531	Some classes such as crossfire maps and objects can specify attachments	816	Some classes such as deliantra maps and objects can specify attachments
532	that are attached at load/instantiate time, thus the need for a name.	817	that are attached at load/instantiate time, thus the need for a name.
533		818
534	These calls expect any number of the following handler/hook descriptions:	819	These calls expect any number of the following handler/hook descriptions:
535		820
536	=over 4	821	=over 4
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	881	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	882	our @CB_MAP = ();
598		883
599	my %attachment;	884	my %attachment;
600		885
		886	sub cf::attachable::thawer_merge {
		887	# simply override everything except _meta
		888	local $_[0]{_meta};
		889	%{$_[0]} = %{$_[1]};
		890	}
		891
601	sub _attach_cb($$$$) {	892	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	893	my ($registry, $event, $prio, $cb) = @_;
603		894
604	use sort 'stable';	895	use sort 'stable';
605		896
…		…
639	$registry = $CB_TYPE[$object_type] ||= [];	930	$registry = $CB_TYPE[$object_type] ||= [];
640		931
641	} elsif ($type eq "subtype") {	932	} elsif ($type eq "subtype") {
642	defined $object_type or Carp::croak "subtype specified without type";	933	defined $object_type or Carp::croak "subtype specified without type";
643	my $object_subtype = shift @arg;	934	my $object_subtype = shift @arg;
644	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	935	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
645		936
646	} elsif ($type eq "package") {	937	} elsif ($type eq "package") {
647	my $pkg = shift @arg;	938	my $pkg = shift @arg;
648		939
649	while (my ($name, $id) = each %cb_id) {	940	while (my ($name, $id) = each %cb_id) {
…		…
678	_attach $registry, $klass, @attach;	969	_attach $registry, $klass, @attach;
679	}	970	}
680		971
681	$obj->{$name} = \%arg;	972	$obj->{$name} = \%arg;
682	} else {	973	} else {
683	warn "object uses attachment '$name' that is not available, postponing.\n";	974	warn "object uses attachment '$name' which is not available, postponing.\n";
684	}	975	}
685		976
686	$obj->{_attachment}{$name} = undef;	977	$obj->{_attachment}{$name} = undef;
687	}	978	}
688		979
…		…
690	if (ref $_[0]) {	981	if (ref $_[0]) {
691	_object_attach @_;	982	_object_attach @_;
692	} else {	983	} else {
693	_attach shift->_attach_registry, @_;	984	_attach shift->_attach_registry, @_;
694	}	985	}
		986	_recalc_want;
695	};	987	};
696		988
697	# all those should be optimised	989	# all those should be optimised
698	sub cf::attachable::detach {	990	sub cf::attachable::detach {
699	my ($obj, $name) = @_;	991	my ($obj, $name) = @_;
…		…
702	delete $obj->{_attachment}{$name};	994	delete $obj->{_attachment}{$name};
703	reattach ($obj);	995	reattach ($obj);
704	} else {	996	} else {
705	Carp::croak "cannot, currently, detach class attachments";	997	Carp::croak "cannot, currently, detach class attachments";
706	}	998	}
		999	_recalc_want;
707	};	1000	};
708		1001
709	sub cf::attachable::attached {	1002	sub cf::attachable::attached {
710	my ($obj, $name) = @_;	1003	my ($obj, $name) = @_;
711		1004
…		…
726	";	1019	";
727	die if $@;	1020	die if $@;
728	}	1021	}
729		1022
730	our $override;	1023	our $override;
731	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1024	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
732		1025
733	sub override {	1026	sub override {
734	$override = 1;	1027	$override = 1;
735	@invoke_results = ();	1028	@INVOKE_RESULTS = (@_);
736	}	1029	}
737		1030
738	sub do_invoke {	1031	sub do_invoke {
739	my $event = shift;	1032	my $event = shift;
740	my $callbacks = shift;	1033	my $callbacks = shift;
741		1034
742	@invoke_results = ();	1035	@INVOKE_RESULTS = ();
743		1036
744	local $override;	1037	local $override;
745		1038
746	for (@$callbacks) {	1039	for (@$callbacks) {
747	eval { &{$_->[1]} };	1040	eval { &{$_->[1]} };
…		…
756	}	1049	}
757		1050
758	0	1051	0
759	}	1052	}
760		1053
761	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1054	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
762		1055
763	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
764		1057
765	Generate an object-specific event with the given arguments.	1058	Generate an object-specific event with the given arguments.
766		1059
767	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1060	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
768	removed in future versions), and there is no public API to access override	1061	removed in future versions), and there is no public API to access override
769	results (if you must, access C<@cf::invoke_results> directly).	1062	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
770		1063
771	=back	1064	=back
772		1065
773	=cut	1066	=cut
774		1067
775	#############################################################################	1068	#############################################################################
776	# object support	1069	# object support
		1070
		1071	sub _object_equal($$);
		1072	sub _object_equal($$) {
		1073	my ($a, $b) = @_;
		1074
		1075	return 0 unless (ref $a) eq (ref $b);
		1076
		1077	if ("HASH" eq ref $a) {
		1078	my @ka = keys %$a;
		1079	my @kb = keys %$b;
		1080
		1081	return 0 if @ka != @kb;
		1082
		1083	for (0 .. $#ka) {
		1084	return 0 unless $ka[$_] eq $kb[$_];
		1085	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1086	}
		1087
		1088	} elsif ("ARRAY" eq ref $a) {
		1089
		1090	return 0 if @$a != @$b;
		1091
		1092	for (0 .. $#$a) {
		1093	return 0 unless _object_equal $a->[$_], $b->[$_];
		1094	}
		1095
		1096	} elsif ($a ne $b) {
		1097	return 0;
		1098	}
		1099
		1100	1
		1101	}
		1102
		1103	our $SLOW_MERGES;#d#
		1104	sub _can_merge {
		1105	my ($ob1, $ob2) = @_;
		1106
		1107	++$SLOW_MERGES;#d#
		1108
		1109	# we do the slow way here
		1110	return _object_equal $ob1, $ob2
		1111	}
777		1112
778	sub reattach {	1113	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	1115	my ($obj) = @_;
		1116
		1117	# no longer needed after getting rid of delete_package?
		1118	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		1119
782	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
783		1121
784	@$registry = ();	1122	@$registry = ();
785		1123
…		…
800	cf::attachable->attach (	1138	cf::attachable->attach (
801	prio => -1000000,	1139	prio => -1000000,
802	on_instantiate => sub {	1140	on_instantiate => sub {
803	my ($obj, $data) = @_;	1141	my ($obj, $data) = @_;
804		1142
805	$data = from_json $data;	1143	$data = decode_json $data;
806		1144
807	for (@$data) {	1145	for (@$data) {
808	my ($name, $args) = @$_;	1146	my ($name, $args) = @$_;
809		1147
810	$obj->attach ($name, %{$args || {} });	1148	$obj->attach ($name, %{$args || {} });
…		…
826	sub object_freezer_save {	1164	sub object_freezer_save {
827	my ($filename, $rdata, $objs) = @_;	1165	my ($filename, $rdata, $objs) = @_;
828		1166
829	sync_job {	1167	sync_job {
830	if (length $$rdata) {	1168	if (length $$rdata) {
		1169	utf8::decode (my $decname = $filename);
831	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
832	$filename, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
833		1172
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1176	if ($cf::USE_FSYNC) {
		1177	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;
837	aio_fsync $fh;	1178	aio_fsync $fh;
		1179	}
838	close $fh;	1180	aio_close $fh;
839		1181
840	if (@$objs) {	1182	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1183	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
		1187	if ($cf::USE_FSYNC) {
		1188	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;
845	aio_fsync $fh;	1189	aio_fsync $fh;
		1190	}
846	close $fh;	1191	aio_close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
848	}	1193	}
849	} else {	1194	} else {
850	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
851	}	1196	}
852		1197
853	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
854	} else {	1202	} else {
855	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
856	}	1204	}
857	} else {	1205	} else {
858	aio_unlink $filename;	1206	aio_unlink $filename;
859	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
860	}	1208	}
861	}	1209	};
862	}	1210	}
863		1211
864	sub object_freezer_as_string {	1212	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	1213	my ($rdata, $objs) = @_;
866		1214
…		…
878	or return;	1226	or return;
879		1227
880	unless (aio_stat "$filename.pst") {	1228	unless (aio_stat "$filename.pst") {
881	(aio_load "$filename.pst", $av) >= 0	1229	(aio_load "$filename.pst", $av) >= 0
882	or return;	1230	or return;
		1231
883	$av = eval { (Storable::thaw $av)->{objs} };	1232	my $st = eval { Coro::Storable::thaw $av };
		1233	$av = $st->{objs};
884	}	1234	}
885		1235
		1236	utf8::decode (my $decname = $filename);
886	warn sprintf "loading %s (%d)\n",	1237	warn sprintf "loading %s (%d,%d)\n",
887	$filename, length $data, scalar @{$av || []};#d#	1238	$decname, length $data, scalar @{$av || []};
		1239
888	return ($data, $av);	1240	($data, $av)
889	}	1241	}
		1242
		1243	=head2 COMMAND CALLBACKS
		1244
		1245	=over 4
		1246
		1247	=cut
890		1248
891	#############################################################################	1249	#############################################################################
892	# command handling &c	1250	# command handling &c
893		1251
894	=item cf::register_command $name => \&callback($ob,$args);	1252	=item cf::register_command $name => \&callback($ob,$args);
…		…
907	push @{ $COMMAND{$name} }, [$caller, $cb];	1265	push @{ $COMMAND{$name} }, [$caller, $cb];
908	}	1266	}
909		1267
910	=item cf::register_extcmd $name => \&callback($pl,$packet);	1268	=item cf::register_extcmd $name => \&callback($pl,$packet);
911		1269
912	Register a callbackf ro execution when the client sends an extcmd packet.	1270	Register a callback for execution when the client sends an (synchronous)
		1271	extcmd packet. Ext commands will be processed in the order they are
		1272	received by the server, like other user commands. The first argument is
		1273	the logged-in player. Ext commands can only be processed after a player
		1274	has logged in successfully.
913		1275
914	If the callback returns something, it is sent back as if reply was being	1276	If the callback returns something, it is sent back as if reply was being
915	called.	1277	called.
916		1278
		1279	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1280
		1281	Register a callback for execution when the client sends an (asynchronous)
		1282	exticmd packet. Exti commands are processed by the server as soon as they
		1283	are received, i.e. out of order w.r.t. other commands. The first argument
		1284	is a client socket. Exti commands can be received anytime, even before
		1285	log-in.
		1286
		1287	If the callback returns something, it is sent back as if reply was being
		1288	called.
		1289
917	=cut	1290	=cut
918		1291
919	sub register_extcmd {	1292	sub register_extcmd {
920	my ($name, $cb) = @_;	1293	my ($name, $cb) = @_;
921		1294
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	1295	$EXTCMD{$name} = $cb;
926	}	1296	}
		1297
		1298	sub register_exticmd {
		1299	my ($name, $cb) = @_;
		1300
		1301	$EXTICMD{$name} = $cb;
		1302	}
		1303
		1304	use File::Glob ();
927		1305
928	cf::player->attach (	1306	cf::player->attach (
929	on_command => sub {	1307	on_command => sub {
930	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
931		1309
…		…
939	cf::override;	1317	cf::override;
940	},	1318	},
941	on_extcmd => sub {	1319	on_extcmd => sub {
942	my ($pl, $buf) = @_;	1320	my ($pl, $buf) = @_;
943		1321
944	my $msg = eval { from_json $buf };	1322	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
945		1323
946	if (ref $msg) {	1324	if (ref $msg) {
		1325	my ($type, $reply, @payload) =
		1326	"ARRAY" eq ref $msg
		1327	? @$msg
		1328	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1329
		1330	my @reply;
		1331
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1332	if (my $cb = $EXTCMD{$type}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	1333	@reply = $cb->($pl, @payload);
949	$pl->ext_reply ($msg->{msgid}, %reply);
950	}
951	}	1334	}
		1335
		1336	$pl->ext_reply ($reply, @reply)
		1337	if $reply;
		1338
952	} else {	1339	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1340	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
954	}	1341	}
955		1342
956	cf::override;	1343	cf::override;
957	},	1344	},
958	);	1345	);
959		1346
960	sub register {	1347	# "readahead" all extensions
961	my ($base, $pkg) = @_;	1348	sub cache_extensions {
		1349	my $grp = IO::AIO::aio_group;
962		1350
963	#TODO	1351	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
964	}	1352	for (grep /\.ext$/, @{$_[0]}) {
		1353	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1354	}
		1355	};
965		1356
		1357	$grp
		1358	}
		1359
966	sub load_extension {	1360	sub load_extensions {
		1361	cf::sync_job {
		1362	my %todo;
		1363
		1364	for my $path (<$LIBDIR/*.ext>) {
		1365	next unless -r $path;
		1366
		1367	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1368	my $base = $1;
		1369	my $pkg = $1;
		1370	$pkg =~ s/[^[:word:]]/_/g;
		1371	$pkg = "ext::$pkg";
		1372
		1373	open my $fh, "<:utf8", $path
		1374	or die "$path: $!";
		1375
		1376	my $source = do { local $/; <$fh> };
		1377
		1378	my %ext = (
		1379	path => $path,
		1380	base => $base,
		1381	pkg => $pkg,
		1382	);
		1383
		1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1386
		1387	$ext{source} =
		1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1389	. "#line 1 \"$path\"\n{\n"
		1390	. $source
		1391	. "\n};\n1";
		1392
		1393	$todo{$base} = \%ext;
		1394	}
		1395
		1396	my %done;
		1397	while (%todo) {
		1398	my $progress;
		1399
		1400	while (my ($k, $v) = each %todo) {
		1401	for (split /,\s*/, $v->{meta}{depends}) {
		1402	goto skip
		1403	unless exists $done{$_};
		1404	}
		1405
		1406	warn "... loading '$k' into '$v->{pkg}'\n";
		1407
		1408	unless (eval $v->{source}) {
		1409	my $msg = $@ ? "$v->{path}: $@\n"
		1410	: "$v->{base}: extension inactive.\n";
		1411
		1412	if (exists $v->{meta}{mandatory}) {
		1413	warn $msg;
		1414	cf::cleanup "mandatory extension failed to load, exiting.";
		1415	}
		1416
		1417	warn $msg;
		1418	}
		1419
		1420	$done{$k} = delete $todo{$k};
		1421	push @EXTS, $v->{pkg};
		1422	$progress = 1;
		1423	}
		1424
		1425	skip:
		1426	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1427	unless $progress;
		1428	}
		1429	};
		1430	}
		1431
		1432	#############################################################################
		1433
		1434	=back
		1435
		1436	=head2 CORE EXTENSIONS
		1437
		1438	Functions and methods that extend core deliantra objects.
		1439
		1440	=cut
		1441
		1442	package cf::player;
		1443
		1444	use Coro::AIO;
		1445
		1446	=head3 cf::player
		1447
		1448	=over 4
		1449
		1450	=item cf::player::num_playing
		1451
		1452	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1453
		1454	=cut
		1455
		1456	sub num_playing {
		1457	scalar grep
		1458	$_->ob->map
		1459	&& !$_->hidden
		1460	&& !$_->ob->flag (cf::FLAG_WIZ),
		1461	cf::player::list
		1462	}
		1463
		1464	=item cf::player::find $login
		1465
		1466	Returns the given player object, loading it if necessary (might block).
		1467
		1468	=cut
		1469
		1470	sub playerdir($) {
		1471	"$PLAYERDIR/"
		1472	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1473	}
		1474
		1475	sub path($) {
		1476	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1477
		1478	(playerdir $login) . "/playerdata"
		1479	}
		1480
		1481	sub find_active($) {
		1482	$cf::PLAYER{$_[0]}
		1483	and $cf::PLAYER{$_[0]}->active
		1484	and $cf::PLAYER{$_[0]}
		1485	}
		1486
		1487	sub exists($) {
		1488	my ($login) = @_;
		1489
		1490	$cf::PLAYER{$login}
		1491	or !aio_stat path $login
		1492	}
		1493
		1494	sub find($) {
		1495	return $cf::PLAYER{$_[0]} || do {
		1496	my $login = $_[0];
		1497
		1498	my $guard = cf::lock_acquire "user_find:$login";
		1499
		1500	$cf::PLAYER{$_[0]} || do {
		1501	# rename old playerfiles to new ones
		1502	#TODO: remove when no longer required
		1503	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1504	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1505	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1506	aio_unlink +(playerdir $login) . "/$login.pl";
		1507
		1508	my $f = new_from_file cf::object::thawer path $login
		1509	or return;
		1510
		1511	my $pl = cf::player::load_pl $f
		1512	or return;
		1513
		1514	local $cf::PLAYER_LOADING{$login} = $pl;
		1515	$f->resolve_delayed_derefs;
		1516	$cf::PLAYER{$login} = $pl
		1517	}
		1518	}
		1519	}
		1520
		1521	sub save($) {
		1522	my ($pl) = @_;
		1523
		1524	return if $pl->{deny_save};
		1525
		1526	my $path = path $pl;
		1527	my $guard = cf::lock_acquire "user_save:$path";
		1528
		1529	return if $pl->{deny_save};
		1530
		1531	aio_mkdir playerdir $pl, 0770;
		1532	$pl->{last_save} = $cf::RUNTIME;
		1533
		1534	cf::get_slot 0.01;
		1535
		1536	$pl->save_pl ($path);
		1537	cf::cede_to_tick;
		1538	}
		1539
		1540	sub new($) {
		1541	my ($login) = @_;
		1542
		1543	my $self = create;
		1544
		1545	$self->ob->name ($login);
		1546	$self->{deny_save} = 1;
		1547
		1548	$cf::PLAYER{$login} = $self;
		1549
		1550	$self
		1551	}
		1552
		1553	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1554
		1555	=cut
		1556
		1557	sub send_msg {
		1558	my $ns = shift->ns
		1559	or return;
		1560	$ns->send_msg (@_);
		1561	}
		1562
		1563	=item $pl->quit_character
		1564
		1565	Nukes the player without looking back. If logged in, the connection will
		1566	be destroyed. May block for a long time.
		1567
		1568	=cut
		1569
		1570	sub quit_character {
		1571	my ($pl) = @_;
		1572
		1573	my $name = $pl->ob->name;
		1574
		1575	$pl->{deny_save} = 1;
		1576	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1577
		1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
		1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1583	$pl->ns->destroy if $pl->ns;
		1584
		1585	my $path = playerdir $pl;
		1586	my $temp = "$path~$cf::RUNTIME~deleting~";
		1587	aio_rename $path, $temp;
		1588	delete $cf::PLAYER{$pl->ob->name};
		1589	$pl->destroy;
		1590
		1591	my $prefix = qr<^~\Q$name\E/>;
		1592
		1593	# nuke player maps
		1594	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1595
		1596	IO::AIO::aio_rmtree $temp;
		1597	}
		1598
		1599	=item $pl->kick
		1600
		1601	Kicks a player out of the game. This destroys the connection.
		1602
		1603	=cut
		1604
		1605	sub kick {
		1606	my ($pl, $kicker) = @_;
		1607
		1608	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1609	$pl->killer ("kicked");
		1610	$pl->ns->destroy;
		1611	}
		1612
		1613	=item cf::player::list_logins
		1614
		1615	Returns am arrayref of all valid playernames in the system, can take a
		1616	while and may block, so not sync_job-capable, ever.
		1617
		1618	=cut
		1619
		1620	sub list_logins {
		1621	my $dirs = aio_readdir $PLAYERDIR
		1622	or return [];
		1623
		1624	my @logins;
		1625
		1626	for my $login (@$dirs) {
		1627	my $path = path $login;
		1628
		1629	# a .pst is a dead give-away for a valid player
		1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
		1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1633	aio_read $fh, 0, 512, my $buf, 0 or next;
		1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1635	}
		1636
		1637	utf8::decode $login;
		1638	push @logins, $login;
		1639	}
		1640
		1641	\@logins
		1642	}
		1643
		1644	=item $player->maps
		1645
		1646	Returns an arrayref of map paths that are private for this
		1647	player. May block.
		1648
		1649	=cut
		1650
		1651	sub maps($) {
		1652	my ($pl) = @_;
		1653
		1654	$pl = ref $pl ? $pl->ob->name : $pl;
		1655
		1656	my $files = aio_readdir playerdir $pl
		1657	or return;
		1658
		1659	my @paths;
		1660
		1661	for (@$files) {
		1662	utf8::decode $_;
		1663	next if /\.(?:pl|pst)$/;
		1664	next unless /^$PATH_SEP/o;
		1665
		1666	push @paths, cf::map::normalise "~$pl/$_";
		1667	}
		1668
		1669	\@paths
		1670	}
		1671
		1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1673
		1674	Expand deliantra pod fragments into protocol xml.
		1675
		1676	=item $player->ext_reply ($msgid, @msg)
		1677
		1678	Sends an ext reply to the player.
		1679
		1680	=cut
		1681
		1682	sub ext_reply($$@) {
		1683	my ($self, $id, @msg) = @_;
		1684
		1685	$self->ns->ext_reply ($id, @msg)
		1686	}
		1687
		1688	=item $player->ext_msg ($type, @msg)
		1689
		1690	Sends an ext event to the client.
		1691
		1692	=cut
		1693
		1694	sub ext_msg($$@) {
		1695	my ($self, $type, @msg) = @_;
		1696
		1697	$self->ns->ext_msg ($type, @msg);
		1698	}
		1699
		1700	=head3 cf::region
		1701
		1702	=over 4
		1703
		1704	=cut
		1705
		1706	package cf::region;
		1707
		1708	=item cf::region::find_by_path $path
		1709
		1710	Tries to decuce the likely region for a map knowing only its path.
		1711
		1712	=cut
		1713
		1714	sub find_by_path($) {
967	my ($path) = @_;	1715	my ($path) = @_;
968		1716
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1717	my ($match, $specificity);
970	my $base = $1;
971	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";
974		1718
975	warn "loading '$path' into '$pkg'\n";	1719	for my $region (list) {
976		1720	if ($region->{match} && $path =~ $region->{match}) {
977	open my $fh, "<:utf8", $path	1721	($match, $specificity) = ($region, $region->specificity)
978	or die "$path: $!";	1722	if $region->specificity > $specificity;
979		1723	}
980	my $source =
981	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })
984	. "\n};\n1";
985
986	eval $source
987	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";
989
990	push @exts, $pkg;
991	$ext_pkg{$base} = $pkg;
992
993	# no strict 'refs';
994	# @{"$pkg\::ISA"} = ext::;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	1724	}
1009		1725
1010	# remove commands	1726	$match
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}
1035
1036	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;
1039	eval {
1040	load_extension $ext;
1041	1
1042	} or warn "$ext not loaded: $@";
1043	}
1044	}
1045
1046	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083
1084	=head2 CORE EXTENSIONS
1085
1086	Functions and methods that extend core crossfire objects.
1087
1088	=head3 cf::player
1089
1090	=over 4
1091
1092	=item cf::player::exists $login
1093
1094	Returns true when the given account exists.
1095
1096	=cut
1097
1098	sub cf::player::exists($) {
1099	cf::player::find $_[0]
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1101	}
1102
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104
1105	Sends an ext reply to the player.
1106
1107	=cut
1108
1109	sub cf::player::ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;
1111
1112	$msg{msgid} = $id;
1113
1114	$self->send ("ext " . to_json \%msg);
1115	}	1727	}
1116		1728
1117	=back	1729	=back
1118
1119		1730
1120	=head3 cf::map	1731	=head3 cf::map
1121		1732
1122	=over 4	1733	=over 4
1123		1734
…		…
1126	package cf::map;	1737	package cf::map;
1127		1738
1128	use Fcntl;	1739	use Fcntl;
1129	use Coro::AIO;	1740	use Coro::AIO;
1130		1741
		1742	use overload
		1743	'""' => \&as_string,
		1744	fallback => 1;
		1745
1131	our $MAX_RESET = 7200;	1746	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1747	our $DEFAULT_RESET = 3000;
1133		1748
1134	sub generate_random_map {	1749	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1750	my ($self, $rmp) = @_;
		1751
		1752	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1136		1753
1137	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1755	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1759	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1760	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1761	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1762	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1763	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1764	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1765	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1766	(cf::region::find $rmp->{region}), $rmp->{custom}
		1767	)
1151	}	1768	}
1152		1769
1153	# and all this just because we cannot iterate over	1770	=item cf::map->register ($regex, $prio)
1154	# all maps in C++...
1155	sub change_all_map_light {
1156	my ($change) = @_;
1157		1771
1158	$_->change_map_light ($change) for values %cf::MAP;	1772	Register a handler for the map path matching the given regex at the
1159	}	1773	givne priority (higher is better, built-in handlers have priority 0, the
		1774	default).
1160		1775
1161	sub try_load_header($) {	1776	=cut
		1777
		1778	sub register {
		1779	my (undef, $regex, $prio) = @_;
		1780	my $pkg = caller;
		1781
		1782	no strict;
		1783	push @{"$pkg\::ISA"}, __PACKAGE__;
		1784
		1785	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1786	}
		1787
		1788	# also paths starting with '/'
		1789	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1790
		1791	sub thawer_merge {
		1792	my ($self, $merge) = @_;
		1793
		1794	# we have to keep some variables in memory intact
		1795	local $self->{path};
		1796	local $self->{load_path};
		1797
		1798	$self->SUPER::thawer_merge ($merge);
		1799	}
		1800
		1801	sub normalise {
1162	my ($path) = @_;	1802	my ($path, $base) = @_;
		1803
		1804	$path = "$path"; # make sure its a string
		1805
		1806	$path =~ s/\.map$//;
		1807
		1808	# map plan:
		1809	#
		1810	# /! non-realised random map exit (special hack!)
		1811	# {... are special paths that are not being touched
		1812	# ?xxx/... are special absolute paths
		1813	# ?random/... random maps
		1814	# /... normal maps
		1815	# ~user/... per-player map of a specific user
		1816
		1817	$path =~ s/$PATH_SEP/\//go;
		1818
		1819	# treat it as relative path if it starts with
		1820	# something that looks reasonable
		1821	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1822	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1823
		1824	$base =~ s{[^/]+/?$}{};
		1825	$path = "$base/$path";
		1826	}
		1827
		1828	for ($path) {
		1829	redo if s{//}{/};
		1830	redo if s{/\.?/}{/};
		1831	redo if s{/[^/]+/\.\./}{/};
		1832	}
		1833
		1834	$path
		1835	}
		1836
		1837	sub new_from_path {
		1838	my (undef, $path, $base) = @_;
		1839
		1840	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1841
		1842	$path = normalise $path, $base;
		1843
		1844	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1845	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1846	my $self = bless cf::map::new, $pkg;
		1847	$self->{path} = $path; $self->path ($path);
		1848	$self->init; # pass $1 etc.
		1849	return $self;
		1850	}
		1851	}
		1852
		1853	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1854	()
		1855	}
		1856
		1857	sub init {
		1858	my ($self) = @_;
		1859
		1860	$self
		1861	}
		1862
		1863	sub as_string {
		1864	my ($self) = @_;
		1865
		1866	"$self->{path}"
		1867	}
		1868
		1869	# the displayed name, this is a one way mapping
		1870	sub visible_name {
		1871	&as_string
		1872	}
		1873
		1874	# the original (read-only) location
		1875	sub load_path {
		1876	my ($self) = @_;
		1877
		1878	"$MAPDIR/$self->{path}.map"
		1879	}
		1880
		1881	# the temporary/swap location
		1882	sub save_path {
		1883	my ($self) = @_;
		1884
		1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1886	"$TMPDIR/$path.map"
		1887	}
		1888
		1889	# the unique path, undef == no special unique path
		1890	sub uniq_path {
		1891	my ($self) = @_;
		1892
		1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1894	"$UNIQUEDIR/$path"
		1895	}
		1896
		1897	sub decay_objects {
		1898	my ($self) = @_;
		1899
		1900	return if $self->{deny_reset};
		1901
		1902	$self->do_decay_objects;
		1903	}
		1904
		1905	sub unlink_save {
		1906	my ($self) = @_;
		1907
		1908	utf8::encode (my $save = $self->save_path);
		1909	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1910	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1911	}
		1912
		1913	sub load_header_from($) {
		1914	my ($self, $path) = @_;
1163		1915
1164	utf8::encode $path;	1916	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1917	my $f = new_from_file cf::object::thawer $path
1166	or return;	1918	or return;
1167		1919
1168	my $map = cf::map::new	1920	$self->_load_header ($f)
1169	or return;	1921	or return;
1170		1922
1171	$map->load_header ($path)	1923	local $MAP_LOADING{$self->{path}} = $self;
		1924	$f->resolve_delayed_derefs;
		1925
		1926	$self->{load_path} = $path;
		1927
		1928	1
		1929	}
		1930
		1931	sub load_header_orig {
		1932	my ($self) = @_;
		1933
		1934	$self->load_header_from ($self->load_path)
		1935	}
		1936
		1937	sub load_header_temp {
		1938	my ($self) = @_;
		1939
		1940	$self->load_header_from ($self->save_path)
		1941	}
		1942
		1943	sub prepare_temp {
		1944	my ($self) = @_;
		1945
		1946	$self->last_access ((delete $self->{last_access})
		1947	|| $cf::RUNTIME); #d#
		1948	# safety
		1949	$self->{instantiate_time} = $cf::RUNTIME
		1950	if $self->{instantiate_time} > $cf::RUNTIME;
		1951	}
		1952
		1953	sub prepare_orig {
		1954	my ($self) = @_;
		1955
		1956	$self->{load_original} = 1;
		1957	$self->{instantiate_time} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959	$self->instantiate;
		1960	}
		1961
		1962	sub load_header {
		1963	my ($self) = @_;
		1964
		1965	if ($self->load_header_temp) {
		1966	$self->prepare_temp;
		1967	} else {
		1968	$self->load_header_orig
1172	or return;	1969	or return;
		1970	$self->prepare_orig;
		1971	}
1173		1972
1174	$map->{load_path} = $path;	1973	$self->{deny_reset} = 1
		1974	if $self->no_reset;
1175		1975
1176	$map	1976	$self->default_region (cf::region::find_by_path $self->{path})
1177	}	1977	unless $self->default_region;
1178		1978
		1979	1
		1980	}
		1981
		1982	sub find;
1179	sub find_map {	1983	sub find {
1180	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1181		1985
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1987
1187	cf::lock_wait "map_find:$key";	1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1188
1189	$cf::MAP{$key} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
1191		1990
1192	# do it the slow way	1991	$cf::MAP{$path} || do {
1193	my $map = try_load_header $path->save_path;	1992	my $map = new_from_path cf::map $path
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1993	or return;
1207		1994
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215	#Coro::Timer::sleep 1;#d#
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1996
1222	if ($map->should_reset) {	1997	$map->load_header
		1998	or return;
		1999
		2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2001	# doing this can freeze the server in a sync job, obviously
		2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
		2004	undef $guard1;
1223	$map->reset;	2005	$map->reset;
1224	$map = find_map $path;	2006	return find $path;
1225	}	2007	}
1226		2008
1227	$cf::MAP{$key} = $map	2009	$cf::MAP{$path} = $map
1228	}	2010	}
1229	}	2011	}
		2012
		2013	sub pre_load { }
		2014	sub post_load { }
1230		2015
1231	sub load {	2016	sub load {
1232	my ($self) = @_;	2017	my ($self) = @_;
1233		2018
		2019	local $self->{deny_reset} = 1; # loading can take a long time
		2020
1234	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2024	my $guard = cf::lock_acquire "map_data:$path";
1236		2025
		2026	return unless $self->valid;
1237	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1238		2028
1239	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1240		2030
1241	$self->alloc;	2031	$self->alloc;
1242	$self->load_objects ($self->{load_path}, 1)	2032
		2033	$self->pre_load;
		2034	cf::cede_to_tick;
		2035
		2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
		2038	$self->_load_objects ($f)
1243	or return;	2039	or return;
1244		2040
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
1246	if delete $self->{load_original};	2042	if delete $self->{load_original};
1247		2043
1248	if (my $uniq = $path->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	2045	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1251	$self->clear_unique_items;	2048	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1253	}	2052	}
1254	}	2053	}
1255		2054
		2055	$f->resolve_delayed_derefs;
		2056
		2057	cf::cede_to_tick;
1256	# now do the right thing for maps	2058	# now do the right thing for maps
1257	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1258
1259	if ($self->{path}->is_style_map) {
1260	$self->{deny_save} = 1;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;
1266	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	2061	unless $self->difficulty;
		2062	cf::cede_to_tick;
		2063
		2064	unless ($self->{deny_activate}) {
		2065	$self->decay_objects;
		2066	$self->fix_auto_apply;
		2067	$self->update_buttons;
		2068	cf::cede_to_tick;
1269	$self->activate;	2069	$self->activate;
1270	}	2070	}
1271		2071
		2072	$self->{last_save} = $cf::RUNTIME;
		2073	$self->last_access ($cf::RUNTIME);
		2074
1272	$self->in_memory (cf::MAP_IN_MEMORY);	2075	$self->in_memory (cf::MAP_ACTIVE);
1273	}	2076	}
1274		2077
1275	sub load_map_sync {	2078	$self->post_load;
		2079	}
		2080
		2081	sub customise_for {
		2082	my ($self, $ob) = @_;
		2083
		2084	return find "~" . $ob->name . "/" . $self->{path}
		2085	if $self->per_player;
		2086
		2087	# return find "?party/" . $ob->name . "/" . $self->{path}
		2088	# if $self->per_party;
		2089
		2090	$self
		2091	}
		2092
		2093	# find and load all maps in the 3x3 area around a map
		2094	sub load_neighbours {
		2095	my ($map) = @_;
		2096
		2097	my @neigh; # diagonal neighbours
		2098
		2099	for (0 .. 3) {
		2100	my $neigh = $map->tile_path ($_)
		2101	or next;
		2102	$neigh = find $neigh, $map
		2103	or next;
		2104	$neigh->load;
		2105
		2106	push @neigh,
		2107	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2108	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2109	}
		2110
		2111	for (grep defined $_->[0], @neigh) {
		2112	my ($path, $origin) = @$_;
		2113	my $neigh = find $path, $origin
		2114	or next;
		2115	$neigh->load;
		2116	}
		2117	}
		2118
		2119	sub find_sync {
1276	my ($path, $origin) = @_;	2120	my ($path, $origin) = @_;
1277		2121
1278	#warn "load_map_sync<$path, $origin>\n";#d#	2122	cf::sync_job { find $path, $origin }
		2123	}
1279		2124
1280	cf::sync_job {	2125	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	2126	my ($map) = @_;
1282	or return;	2127
1283	$map->load;	2128	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1284	$map	2129	if $Coro::current == $Coro::main;
		2130
		2131	cf::sync_job { $map->load };
		2132	}
		2133
		2134	our %MAP_PREFETCH;
		2135	our $MAP_PREFETCHER = undef;
		2136
		2137	sub find_async {
		2138	my ($path, $origin, $load) = @_;
		2139
		2140	$path = normalise $path, $origin && $origin->{path};
		2141
		2142	if (my $map = $cf::MAP{$path}) {
		2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2144	}
		2145
		2146	$MAP_PREFETCH{$path} |= $load;
		2147
		2148	$MAP_PREFETCHER ||= cf::async {
		2149	$Coro::current->{desc} = "map prefetcher";
		2150
		2151	while (%MAP_PREFETCH) {
		2152	while (my ($k, $v) = each %MAP_PREFETCH) {
		2153	if (my $map = find $k) {
		2154	$map->load if $v;
		2155	}
		2156
		2157	delete $MAP_PREFETCH{$k};
		2158	}
		2159	}
		2160	undef $MAP_PREFETCHER;
1285	}	2161	};
		2162	$MAP_PREFETCHER->prio (6);
		2163
		2164	()
1286	}	2165	}
1287		2166
1288	sub save {	2167	sub save {
1289	my ($self) = @_;	2168	my ($self) = @_;
1290		2169
		2170	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2171
1291	$self->{last_save} = $cf::RUNTIME;	2172	$self->{last_save} = $cf::RUNTIME;
1292		2173
1293	return unless $self->dirty;	2174	return unless $self->dirty;
1294		2175
1295	my $save = $self->{path}->save_path; utf8::encode $save;	2176	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2177	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		2178
1298	$self->{load_path} = $save;	2179	$self->{load_path} = $save;
1299		2180
1300	return if $self->{deny_save};	2181	return if $self->{deny_save};
1301		2182
		2183	local $self->{last_access} = $self->last_access;#d#
		2184
		2185	cf::async {
		2186	$Coro::current->{desc} = "map player save";
		2187	$_->contr->save for $self->players;
		2188	};
		2189
		2190	cf::get_slot 0.02;
		2191
1302	if ($uniq) {	2192	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	2195	} else {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1307	}	2197	}
1308	}	2198	}
1309		2199
1310	sub swap_out {	2200	sub swap_out {
1311	my ($self) = @_;	2201	my ($self) = @_;
1312		2202
		2203	# save first because save cedes
		2204	$self->save;
		2205
		2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2207
1313	return if $self->players;	2208	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
1315	return if $self->{deny_save};	2210	return if $self->{deny_save};
1316		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
1317	$self->save;	2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1318	$self->clear;	2216	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);
1320	}	2217	}
1321		2218
1322	sub reset_at {	2219	sub reset_at {
1323	my ($self) = @_;	2220	my ($self) = @_;
1324		2221
1325	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};
1327	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1328		2224
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1331		2227
…		…
1336	my ($self) = @_;	2232	my ($self) = @_;
1337		2233
1338	$self->reset_at <= $cf::RUNTIME	2234	$self->reset_at <= $cf::RUNTIME
1339	}	2235	}
1340		2236
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	2237	sub reset {
1363	my ($self) = @_;	2238	my ($self) = @_;
1364		2239
		2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2241
1365	return if $self->players;	2242	return if $self->players;
1366	return if $self->{path}{user_rel};#d#
1367		2243
1368	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path, "\n";
		2245
		2246	$self->in_memory (cf::MAP_SWAPPED);
		2247
		2248	# need to save uniques path
		2249	unless ($self->{deny_save}) {
		2250	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2251
		2252	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2253	if $uniq;
		2254	}
1369		2255
1370	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1371		2257
		2258	$self->deactivate;
1372	$_->clear_links_to ($self) for values %cf::MAP;	2259	$_->clear_links_to ($self) for values %cf::MAP;
		2260	$self->clear;
1373		2261
1374	$self->unlink_save;	2262	$self->unlink_save;
1375	$self->destroy;	2263	$self->destroy;
1376	}	2264	}
1377		2265
1378	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1379		2267
1380	sub nuke {	2268	sub nuke {
1381	my ($self) = @_;	2269	my ($self) = @_;
1382		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
		2274	delete $cf::MAP{$self->path};
		2275
		2276	$self->unlink_save;
		2277
		2278	bless $self, "cf::map";
		2279	delete $self->{deny_reset};
1383	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2283
		2284	$cf::MAP{$self->path} = $self;
		2285	}
		2286
1386	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
1387	}	2288	}
1388		2289
1389	sub customise_for {	2290	=item $maps = cf::map::tmp_maps
1390	my ($map, $ob) = @_;
1391		2291
1392	if ($map->per_player) {	2292	Returns an arrayref with all map paths of currently instantiated and saved
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
1394	}	2298	[
1395		2299	map {
1396	$map	2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
1397	}	2306	}
1398		2307
1399	sub emergency_save {	2308	=item $maps = cf::map::random_maps
1400	local $cf::FREEZE = 1;
1401		2309
1402	warn "enter emergency map save\n";	2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
1403		2312
1404	cf::sync_job {	2313	=cut
1405	warn "begin emergency map save\n";	2314
1406	$_->save for values %cf::MAP;	2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
		2324	}
		2325
		2326	=item cf::map::unique_maps
		2327
		2328	Returns an arrayref of paths of all shared maps that have
		2329	instantiated unique items. May block.
		2330
		2331	=cut
		2332
		2333	sub unique_maps() {
		2334	[
		2335	map {
		2336	utf8::decode $_;
		2337	s/\.map$//; # TODO future compatibility hack
		2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2339	? ()
		2340	: normalise $_
		2341	} @{ aio_readdir $UNIQUEDIR or [] }
		2342	]
		2343	}
		2344
		2345	=back
		2346
		2347	=head3 cf::object
		2348
		2349	=cut
		2350
		2351	package cf::object;
		2352
		2353	=over 4
		2354
		2355	=item $ob->inv_recursive
		2356
		2357	Returns the inventory of the object I<and> their inventories, recursively,
		2358	but I<not> the object itself.
		2359
		2360	=cut
		2361
		2362	sub inv_recursive_;
		2363	sub inv_recursive_ {
		2364	map { $_, inv_recursive_ $_->inv } @_
		2365	}
		2366
		2367	sub inv_recursive {
		2368	inv_recursive_ inv $_[0]
		2369	}
		2370
		2371	=item $ref = $ob->ref
		2372
		2373	Creates and returns a persistent reference to an object that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
1407	};	2396	}
1408
1409	warn "end emergency map save\n";
1410	}	2397	}
1411		2398
1412	package cf;	2399	package cf;
1413		2400
1414	=back	2401	=back
1415
1416		2402
1417	=head3 cf::object::player	2403	=head3 cf::object::player
1418		2404
1419	=over 4	2405	=over 4
1420		2406
…		…
1423	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2409	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1424	can be C<undef>. Does the right thing when the player is currently in a	2410	can be C<undef>. Does the right thing when the player is currently in a
1425	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
1426		2412
1427	=cut	2413	=cut
		2414
		2415	our $SAY_CHANNEL = {
		2416	id => "say",
		2417	title => "Map",
		2418	reply => "say ",
		2419	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2420	};
		2421
		2422	our $CHAT_CHANNEL = {
		2423	id => "chat",
		2424	title => "Chat",
		2425	reply => "chat ",
		2426	tooltip => "Player chat and shouts, global to the server.",
		2427	};
1428		2428
1429	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
1430	# with dialog boxes.	2430	# with dialog boxes.
1431	#TODO: the first argument must go, split into a $npc->reply_to ( method	2431	#TODO: the first argument must go, split into a $npc->reply_to ( method
1432	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
…		…
1434		2434
1435	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2435	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1436		2436
1437	if ($self->{record_replies}) {	2437	if ($self->{record_replies}) {
1438	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2438	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2439
1439	} else {	2440	} else {
		2441	my $pl = $self->contr;
		2442
		2443	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2444	my $dialog = $pl->{npc_dialog};
		2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2446
		2447	} else {
1440	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
1441	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2450	}
1442	}	2451	}
		2452	}
		2453
		2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2455
		2456	=cut
		2457
		2458	sub cf::object::send_msg {
		2459	my $pl = shift->contr
		2460	or return;
		2461	$pl->send_msg (@_);
1443	}	2462	}
1444		2463
1445	=item $player_object->may ("access")	2464	=item $player_object->may ("access")
1446		2465
1447	Returns wether the given player is authorized to access resource "access"	2466	Returns wether the given player is authorized to access resource "access"
…		…
1460		2479
1461	=item $player_object->enter_link	2480	=item $player_object->enter_link
1462		2481
1463	Freezes the player and moves him/her to a special map (C<{link}>).	2482	Freezes the player and moves him/her to a special map (C<{link}>).
1464		2483
1465	The player should be reaosnably safe there for short amounts of time. You	2484	The player should be reasonably safe there for short amounts of time (e.g.
1466	I<MUST> call C<leave_link> as soon as possible, though.	2485	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2486	though, as the palyer cannot control the character while it is on the link
		2487	map.
		2488
		2489	Will never block.
1467		2490
1468	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
1469		2492
1470	Moves the player out of the specila link map onto the given map. If the	2493	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	2494	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	2495	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	2496	fails, to the emergency map position.
1474		2497
1475	Might block.	2498	Might block.
1476		2499
1477	=cut	2500	=cut
		2501
		2502	sub link_map {
		2503	unless ($LINK_MAP) {
		2504	$LINK_MAP = cf::map::find "{link}"
		2505	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2506	$LINK_MAP->load;
		2507	}
		2508
		2509	$LINK_MAP
		2510	}
1478		2511
1479	sub cf::object::player::enter_link {	2512	sub cf::object::player::enter_link {
1480	my ($self) = @_;	2513	my ($self) = @_;
1481		2514
1482	$self->deactivate_recursive;	2515	$self->deactivate_recursive;
1483		2516
1484	return if $self->map == $LINK_MAP;	2517	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		2518
1486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	2520	if $self->map && $self->map->{path} ne "{link}";
1488		2521
1489	$self->enter_map ($LINK_MAP, 20, 20);	2522	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1490	}	2523	}
1491		2524
1492	sub cf::object::player::leave_link {	2525	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	2526	my ($self, $map, $x, $y) = @_;
		2527
		2528	return unless $self->contr->active;
1494		2529
1495	my $link_pos = delete $self->{_link_pos};	2530	my $link_pos = delete $self->{_link_pos};
1496		2531
1497	unless ($map) {	2532	unless ($map) {
1498	# restore original map position	2533	# restore original map position
1499	($map, $x, $y) = @{ $link_pos || [] };	2534	($map, $x, $y) = @{ $link_pos || [] };
1500	$map = cf::map::find_map $map;	2535	$map = cf::map::find $map;
1501		2536
1502	unless ($map) {	2537	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	2538	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	2539	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	2540	or die "FATAL: cannot load emergency map\n";
1506	}	2541	}
1507	}	2542	}
1508		2543
1509	($x, $y) = (-1, -1)	2544	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	2547	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	2548	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	2549	if $x <=0 && $y <= 0;
1515		2550
1516	$map->load;	2551	$map->load;
		2552	$map->load_neighbours;
1517		2553
		2554	return unless $self->contr->active;
		2555
		2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2557	$self->enter_map ($map, $x, $y);
		2558
		2559	# only activate afterwards, to support waiting in hooks
1518	$self->activate_recursive;	2560	$self->activate_recursive;
1519	$self->enter_map ($map, $x, $y);
1520	}	2561	}
1521		2562
1522	cf::player->attach (	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1523	on_logout => sub {
1524	my ($pl) = @_;
1525		2564
1526	# abort map switching before logout	2565	Moves the player to the given map-path and coordinates by first freezing
1527	if ($pl->ob->{_link_pos}) {	2566	her, loading and preparing them map, calling the provided $check callback
1528	cf::sync_job {	2567	that has to return the map if sucecssful, and then unfreezes the player on
1529	$pl->ob->leave_link	2568	the new (success) or old (failed) map position. In either case, $done will
1530	};	2569	be called at the end of this process.
1531	}
1532	},
1533	on_login => sub {
1534	my ($pl) = @_;
1535		2570
1536	# try to abort aborted map switching on player login :)	2571	Note that $check will be called with a potentially non-loaded map, so if
1537	# should happen only on crashes	2572	it needs a loaded map it has to call C<< ->load >>.
1538	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;
1540	Coro::async {
1541	# we need this sleep as the login has a concurrent enter_exit running
1542	# and this sleep increases chances of the player not ending up in scorn
1543	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;
1545	};
1546	}
1547	},
1548	);
1549		2573
1550	=item $player_object->goto_map ($path, $x, $y)
1551
1552	=cut	2574	=cut
1553		2575
		2576	our $GOTOGEN;
		2577
1554	sub cf::object::player::goto_map {	2578	sub cf::object::player::goto {
1555	my ($self, $path, $x, $y) = @_;	2579	my ($self, $path, $x, $y, $check, $done) = @_;
		2580
		2581	# do generation counting so two concurrent goto's will be executed in-order
		2582	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1556		2583
1557	$self->enter_link;	2584	$self->enter_link;
1558		2585
1559	(Coro::async {	2586	(async {
1560	$path = new cf::path $path;	2587	$Coro::current->{desc} = "player::goto $path $x $y";
1561		2588
1562	my $map = cf::map::find_map $path->as_string;	2589	# *tag paths override both path and x|y
		2590	if ($path =~ /^\*(.*)$/) {
		2591	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2592	my $ob = $obs[rand @obs];
		2593
		2594	# see if we actually can go there
		2595	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2596	$ob = $obs[rand @obs];
		2597	} else {
		2598	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600	# else put us there anyways for now #d#
		2601
		2602	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2603	} else {
		2604	($path, $x, $y) = (undef, undef, undef);
		2605	}
		2606	}
		2607
		2608	my $map = eval {
		2609	my $map = defined $path ? cf::map::find $path : undef;
		2610
		2611	if ($map) {
1563	$map = $map->customise_for ($self) if $map;	2612	$map = $map->customise_for ($self);
1564		2613	$map = $check->($map) if $check && $map;
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	2614	} else {
1566	# if $map;
1567
1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2615	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2616	}
1569		2617
		2618	$map
		2619	};
		2620
		2621	if ($@) {
		2622	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2623	LOG llevError | logBacktrace, Carp::longmess $@;
		2624	}
		2625
		2626	if ($gen == $self->{_goto_generation}) {
		2627	delete $self->{_goto_generation};
1570	$self->leave_link ($map, $x, $y);	2628	$self->leave_link ($map, $x, $y);
		2629	}
		2630
		2631	$done->() if $done;
1571	})->prio (1);	2632	})->prio (1);
1572	}	2633	}
1573		2634
1574	=item $player_object->enter_exit ($exit_object)	2635	=item $player_object->enter_exit ($exit_object)
1575		2636
…		…
1577		2638
1578	sub parse_random_map_params {	2639	sub parse_random_map_params {
1579	my ($spec) = @_;	2640	my ($spec) = @_;
1580		2641
1581	my $rmp = { # defaults	2642	my $rmp = { # defaults
1582	xsize => 10,	2643	xsize => (cf::rndm 15, 40),
1583	ysize => 10,	2644	ysize => (cf::rndm 15, 40),
		2645	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2646	#layout => string,
1584	};	2647	};
1585		2648
1586	for (split /\n/, $spec) {	2649	for (split /\n/, $spec) {
1587	my ($k, $v) = split /\s+/, $_, 2;	2650	my ($k, $v) = split /\s+/, $_, 2;
1588		2651
…		…
1600	# that depends on the exit object	2663	# that depends on the exit object
1601		2664
1602	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
1603		2666
1604	if ($exit->map) {	2667	if ($exit->map) {
1605	$rmp->{region} = $exit->map->region_name;	2668	$rmp->{region} = $exit->region->name;
1606	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
1607	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
1608	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
1609	}	2674	}
1610		2675
1611	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
1612		2677
1613	my $data = cf::to_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1614	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
		2680	my $meta = "$RANDOMDIR/$md5.meta";
1615		2681
1616	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1617	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
		2684	undef $fh;
		2685	aio_rename "$meta~", $meta;
1618		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
1619	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
1620	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
1621	}	2693	}
1622	}	2694	}
1623		2695
1624	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
1625	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
1626		2698
1627	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
1628		2700
1629	$self->enter_link;	2701	$self->enter_link;
1630		2702
1631	(Coro::async {	2703	(async {
		2704	$Coro::current->{desc} = "enter_exit";
		2705
1632	unless (eval {	2706	unless (eval {
		2707	$self->deactivate_recursive; # just to be sure
1633		2708
		2709	# random map handling
		2710	{
		2711	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2712
1634	prepare_random_map $exit	2713	prepare_random_map $exit
1635	if $exit->slaying eq "/!";	2714	if $exit->slaying eq "/!";
		2715	}
1636		2716
1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2717	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2718	my $x = $exit->stats->hp;
		2719	my $y = $exit->stats->sp;
1639		2720
		2721	$self->goto ($map, $x, $y);
		2722
		2723	# if exit is damned, update players death & WoR home-position
		2724	$self->contr->savebed ($map, $x, $y)
		2725	if $exit->flag (cf::FLAG_DAMNED);
		2726
1640	1;	2727	1
1641	}) {	2728	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
1643	. "I'll try to bring you back to the map you were before. "	2730	. "I'll try to bring you back to the map you were before. "
1644	. "Please report this to the dungeon master",	2731	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
1646		2733
1647	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	2735	$self->leave_link;
1649	}	2736	}
1650	})->prio (1);	2737	})->prio (1);
…		…
1663		2750
1664	sub cf::client::send_drawinfo {	2751	sub cf::client::send_drawinfo {
1665	my ($self, $text, $flags) = @_;	2752	my ($self, $text, $flags) = @_;
1666		2753
1667	utf8::encode $text;	2754	utf8::encode $text;
1668	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2755	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1669	}	2756	}
1670		2757
		2758	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2759
		2760	Send a drawinfo or msg packet to the client, formatting the msg for the
		2761	client if neccessary. C<$type> should be a string identifying the type of
		2762	the message, with C<log> being the default. If C<$color> is negative, suppress
		2763	the message unless the client supports the msg packet.
		2764
		2765	=cut
		2766
		2767	# non-persistent channels (usually the info channel)
		2768	our %CHANNEL = (
		2769	"c/identify" => {
		2770	id => "infobox",
		2771	title => "Identify",
		2772	reply => undef,
		2773	tooltip => "Items recently identified",
		2774	},
		2775	"c/examine" => {
		2776	id => "infobox",
		2777	title => "Examine",
		2778	reply => undef,
		2779	tooltip => "Signs and other items you examined",
		2780	},
		2781	"c/book" => {
		2782	id => "infobox",
		2783	title => "Book",
		2784	reply => undef,
		2785	tooltip => "The contents of a note or book",
		2786	},
		2787	"c/lookat" => {
		2788	id => "infobox",
		2789	title => "Look",
		2790	reply => undef,
		2791	tooltip => "What you saw there",
		2792	},
		2793	"c/who" => {
		2794	id => "infobox",
		2795	title => "Players",
		2796	reply => undef,
		2797	tooltip => "Shows players who are currently online",
		2798	},
		2799	"c/body" => {
		2800	id => "infobox",
		2801	title => "Body Parts",
		2802	reply => undef,
		2803	tooltip => "Shows which body parts you posess and are available",
		2804	},
		2805	"c/statistics" => {
		2806	id => "infobox",
		2807	title => "Statistics",
		2808	reply => undef,
		2809	tooltip => "Shows your primary statistics",
		2810	},
		2811	"c/skills" => {
		2812	id => "infobox",
		2813	title => "Skills",
		2814	reply => undef,
		2815	tooltip => "Shows your experience per skill and item power",
		2816	},
		2817	"c/shopitems" => {
		2818	id => "infobox",
		2819	title => "Shop Items",
		2820	reply => undef,
		2821	tooltip => "Shows the items currently for sale in this shop",
		2822	},
		2823	"c/resistances" => {
		2824	id => "infobox",
		2825	title => "Resistances",
		2826	reply => undef,
		2827	tooltip => "Shows your resistances",
		2828	},
		2829	"c/pets" => {
		2830	id => "infobox",
		2831	title => "Pets",
		2832	reply => undef,
		2833	tooltip => "Shows information abotu your pets/a specific pet",
		2834	},
		2835	"c/perceiveself" => {
		2836	id => "infobox",
		2837	title => "Perceive Self",
		2838	reply => undef,
		2839	tooltip => "You gained detailed knowledge about yourself",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	"c/death" => {
		2860	id => "death",
		2861	title => "Death",
		2862	reply => undef,
		2863	tooltip => "Reason for and more info about your most recent death",
		2864	},
		2865	"c/say" => $SAY_CHANNEL,
		2866	"c/chat" => $CHAT_CHANNEL,
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel);
		2882	$channel = $channel->{id};
		2883
		2884	} elsif (ref $channel) {
		2885	# send meta info to client, if not yet sent
		2886	unless (exists $self->{channel}{$channel->{id}}) {
		2887	$self->{channel}{$channel->{id}} = $channel;
		2888	$self->ext_msg (channel_info => $channel);
		2889	}
		2890
		2891	$channel = $channel->{id};
		2892	}
		2893
		2894	return unless @extra || length $msg;
		2895
		2896	# default colour, mask it out
		2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2898	if $color & cf::NDI_DEF;
		2899
		2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
		2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2903	);
		2904
		2905	# try lzf for large packets
		2906	$pkt = "lzf " . Compress::LZF::compress $pkt
		2907	if 1024 <= length $pkt and $self->{can_lzf};
		2908
		2909	# split very large packets
		2910	if (8192 < length $pkt and $self->{can_lzf}) {
		2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2912	$pkt = "frag";
		2913	}
		2914
		2915	$self->send_packet ($pkt);
		2916	}
		2917
		2918	=item $client->ext_msg ($type, @msg)
		2919
		2920	Sends an ext event to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_msg($$@) {
		2925	my ($self, $type, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
		2930	push @msg, msgtype => "event_$type";
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
1671		2952
1672	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
1673		2954
1674	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
1675	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1676	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1677		2958
1678	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
1679	reliable at some point in the future.	2960	become reliable at some point in the future.
1680		2961
1681	=cut	2962	=cut
1682		2963
1683	sub cf::client::query {	2964	sub cf::client::query {
1684	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
1692	utf8::encode $text;	2973	utf8::encode $text;
1693	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1694		2975
1695	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
1696	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
1697	}	2980	}
1698		2981
1699	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
1700	on_reply => sub {	2988	on_reply => sub {
1701	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
1702		2990
1703	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
1704	# get handled first	2992	# get handled first
1705	my $queue = delete $ns->{query_queue};	2993	my $queue = delete $ns->{query_queue}
		2994	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		2995
1707	(shift @$queue)->[1]->($msg);	2996	(shift @$queue)->[1]->($msg);
		2997	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1708		2998
1709	push @{ $ns->{query_queue} }, @$queue;	2999	push @{ $ns->{query_queue} }, @$queue;
1710		3000
1711	if (@{ $ns->{query_queue} } == @$queue) {	3001	if (@{ $ns->{query_queue} } == @$queue) {
1712	if (@$queue) {	3002	if (@$queue) {
…		…
1714	} else {	3004	} else {
1715	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1716	}	3006	}
1717	}	3007	}
1718	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
1719	);	3035	);
1720		3036
1721	=item $client->coro (\&cb)	3037	=item $client->async (\&cb)
1722		3038
1723	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	3040	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	3041	or loss of connection).
1726		3042
1727	=cut	3043	=cut
1728		3044
1729	sub cf::client::coro {	3045	sub cf::client::async {
1730	my ($self, $cb) = @_;	3046	my ($self, $cb) = @_;
1731		3047
1732	my $coro; $coro = async {	3048	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		3049
1739	$coro->on_destroy (sub {	3050	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	3051	delete $self->{_coro}{$coro+0};
1741	});	3052	});
1742		3053
…		…
1769	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
1770	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
1771		3082
1772	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
1773		3084
1774	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
1775		3090
1776	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
1777		3092
1778	=pod	3093	=pod
1779		3094
1780	The following fucntions and emthods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
1781		3096
1782	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100	value
		3101
1783	cf::object::player player	3102	cf::object::player
1784	cf::player peaceful	3103	player
1785	cf::map trigger	3104
		3105	cf::player
		3106	peaceful
		3107
		3108	cf::map
		3109	trigger
1786		3110
1787	=cut	3111	=cut
1788		3112
1789	for (	3113	for (
1790	["cf::object" => qw(contr pay_amount pay_player map)],	3114	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3115	insert remove inv nrof name archname title slaying race
		3116	decrease split destroy change_exp value msg lore send_msg)],
1791	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
1792	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
1793	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
1794	) {	3120	) {
1795	no strict 'refs';	3121	no strict 'refs';
1796	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
1797	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1814	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
1815		3141
1816	my $qcode = $code;	3142	my $qcode = $code;
1817	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1818	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
1819		3147
1820	local $_;	3148	local $_;
1821	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
1822		3150
1823	my $eval =	3151	my $eval =
…		…
1866	=back	3194	=back
1867		3195
1868	=cut	3196	=cut
1869		3197
1870	#############################################################################	3198	#############################################################################
		3199	# the server's init and main functions
1871		3200
1872	=head2 EXTENSION DATABASE SUPPORT	3201	sub load_facedata($) {
		3202	my ($path) = @_;
1873		3203
1874	Crossfire maintains a very simple database for extension use. It can	3204	# HACK to clear player env face cache, we need some signal framework
1875	currently store anything that can be serialised using Storable, which	3205	# for this (global event?)
1876	excludes objects.	3206	%ext::player_env::MUSIC_FACE_CACHE = ();
1877		3207
1878	The parameter C<$family> should best start with the name of the extension	3208	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1879	using it, it should be unique.
1880		3209
1881	=over 4	3210	warn "loading facedata from $path\n";
1882		3211
1883	=item $hashref = cf::db_get $family	3212	my $facedata;
		3213	0 < aio_load $path, $facedata
		3214	or die "$path: $!";
1884		3215
1885	Return a hashref for use by the extension C<$family>, which can be	3216	$facedata = Coro::Storable::thaw $facedata;
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888		3217
1889	=item $value = cf::db_get $family => $key	3218	$facedata->{version} == 2
		3219	or cf::cleanup "$path: version mismatch, cannot proceed.";
1890		3220
1891	Returns a single value from the database	3221	# patch in the exptable
1892		3222	$facedata->{resource}{"res/exp_table"} = {
1893	=item cf::db_put $family => $hashref	3223	type => FT_RSRC,
1894		3224	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897
1898	=item cf::db_put $family => $key => $value
1899
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910
1911	=cut
1912
1913	our $DB;
1914
1915	{
1916	my $path = cf::localdir . "/database.pst";
1917
1918	sub db_load() {
1919	warn "loading database $path\n";#d# remove later
1920	$DB = stat $path ? Storable::retrieve $path : { };
1921	}
1922
1923	my $pid;
1924
1925	sub db_save() {
1926	warn "saving database $path\n";#d# remove later
1927	waitpid $pid, 0 if $pid;
1928	if (0 == ($pid = fork)) {
1929	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;
1932	cf::_exit 0 if defined $pid;
1933	}
1934	}
1935
1936	my $dirty;
1937
1938	sub db_sync() {
1939	db_save if $dirty;
1940	undef $dirty;
1941	}
1942
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1944	db_sync;
1945	});	3225	};
		3226	cf::cede_to_tick;
1946		3227
1947	sub db_dirty() {
1948	$dirty = 1;
1949	$idle->start;
1950	}	3228	{
		3229	my $faces = $facedata->{faceinfo};
1951		3230
1952	sub db_get($;$) {	3231	while (my ($face, $info) = each %$faces) {
1953	@_ >= 2	3232	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1954	? $DB->{$_[0]}{$_[1]}
1955	: ($DB->{$_[0]} ||= { })
1956	}
1957		3233
1958	sub db_put($$;$) {	3234	cf::face::set_visibility $idx, $info->{visibility};
1959	if (@_ >= 3) {	3235	cf::face::set_magicmap $idx, $info->{magicmap};
1960	$DB->{$_[0]}{$_[1]} = $_[2];	3236	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
1961	} else {	3237	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1962	$DB->{$_[0]} = $_[1];
1963	}
1964	db_dirty;
1965	}
1966		3238
1967	cf::global->attach (	3239	cf::cede_to_tick;
1968	prio => 10000,
1969	on_cleanup => sub {
1970	db_sync;
1971	},	3240	}
1972	);
1973	}
1974		3241
1975	#############################################################################	3242	while (my ($face, $info) = each %$faces) {
1976	# the server's main()	3243	next unless $info->{smooth};
1977		3244
1978	sub cfg_load {	3245	my $idx = cf::face::find $face
		3246	or next;
		3247
		3248	if (my $smooth = cf::face::find $info->{smooth}) {
		3249	cf::face::set_smooth $idx, $smooth;
		3250	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3251	} else {
		3252	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3253	}
		3254
		3255	cf::cede_to_tick;
		3256	}
		3257	}
		3258
		3259	{
		3260	my $anims = $facedata->{animinfo};
		3261
		3262	while (my ($anim, $info) = each %$anims) {
		3263	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3264	cf::cede_to_tick;
		3265	}
		3266
		3267	cf::anim::invalidate_all; # d'oh
		3268	}
		3269
		3270	{
		3271	# TODO: for gcfclient pleasure, we should give resources
		3272	# that gcfclient doesn't grok a >10000 face index.
		3273	my $res = $facedata->{resource};
		3274
		3275	while (my ($name, $info) = each %$res) {
		3276	if (defined $info->{type}) {
		3277	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3278	my $data;
		3279
		3280	if ($info->{type} & 1) {
		3281	# prepend meta info
		3282
		3283	my $meta = $enc->encode ({
		3284	name => $name,
		3285	%{ $info->{meta} || {} },
		3286	});
		3287
		3288	$data = pack "(w/a*)*", $meta, $info->{data};
		3289	} else {
		3290	$data = $info->{data};
		3291	}
		3292
		3293	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3294	cf::face::set_type $idx, $info->{type};
		3295	} else {
		3296	$RESOURCE{$name} = $info;
		3297	}
		3298
		3299	cf::cede_to_tick;
		3300	}
		3301	}
		3302
		3303	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3304
		3305	1
		3306	}
		3307
		3308	cf::global->attach (on_resource_update => sub {
		3309	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3310	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3311
		3312	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3313	my $sound = $soundconf->{compat}[$_]
		3314	or next;
		3315
		3316	my $face = cf::face::find "sound/$sound->[1]";
		3317	cf::sound::set $sound->[0] => $face;
		3318	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3319	}
		3320
		3321	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3322	my $face = cf::face::find "sound/$v";
		3323	cf::sound::set $k => $face;
		3324	}
		3325	}
		3326	});
		3327
		3328	register_exticmd fx_want => sub {
		3329	my ($ns, $want) = @_;
		3330
		3331	while (my ($k, $v) = each %$want) {
		3332	$ns->fx_want ($k, $v);
		3333	}
		3334	};
		3335
		3336	sub load_resource_file($) {
		3337	my $guard = lock_acquire "load_resource_file";
		3338
		3339	my $status = load_resource_file_ $_[0];
		3340	get_slot 0.1, 100;
		3341	cf::arch::commit_load;
		3342
		3343	$status
		3344	}
		3345
		3346	sub reload_regions {
		3347	# HACK to clear player env face cache, we need some signal framework
		3348	# for this (global event?)
		3349	%ext::player_env::MUSIC_FACE_CACHE = ();
		3350
		3351	load_resource_file "$MAPDIR/regions"
		3352	or die "unable to load regions file\n";
		3353
		3354	for (cf::region::list) {
		3355	$_->{match} = qr/$_->{match}/
		3356	if exists $_->{match};
		3357	}
		3358	}
		3359
		3360	sub reload_facedata {
		3361	load_facedata "$DATADIR/facedata"
		3362	or die "unable to load facedata\n";
		3363	}
		3364
		3365	sub reload_archetypes {
		3366	load_resource_file "$DATADIR/archetypes"
		3367	or die "unable to load archetypes\n";
		3368	}
		3369
		3370	sub reload_treasures {
		3371	load_resource_file "$DATADIR/treasures"
		3372	or die "unable to load treasurelists\n";
		3373	}
		3374
		3375	sub reload_resources {
		3376	warn "reloading resource files...\n";
		3377
		3378	reload_facedata;
		3379	reload_archetypes;
		3380	reload_regions;
		3381	reload_treasures;
		3382
		3383	warn "finished reloading resource files\n";
		3384	}
		3385
		3386	sub reload_config {
1979	open my $fh, "<:utf8", cf::confdir . "/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
1980	or return;	3388	or return;
1981		3389
1982	local $/;	3390	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	3391	*CFG = YAML::Load <$fh>;
		3392
		3393	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3394
		3395	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3396	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3397
		3398	if (exists $CFG{mlockall}) {
		3399	eval {
		3400	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3401	and die "WARNING: m(un)lockall failed: $!\n";
		3402	};
		3403	warn $@ if $@;
		3404	}
		3405	}
		3406
		3407	sub pidfile() {
		3408	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3409	or die "$PIDFILE: $!";
		3410	flock $fh, &Fcntl::LOCK_EX
		3411	or die "$PIDFILE: flock: $!";
		3412	$fh
		3413	}
		3414
		3415	# make sure only one server instance is running at any one time
		3416	sub atomic {
		3417	my $fh = pidfile;
		3418
		3419	my $pid = <$fh>;
		3420	kill 9, $pid if $pid > 0;
		3421
		3422	seek $fh, 0, 0;
		3423	print $fh $$;
		3424	}
		3425
		3426	sub main_loop {
		3427	warn "EV::loop starting\n";
		3428	if (1) {
		3429	EV::loop;
		3430	}
		3431	warn "EV::loop returned\n";
		3432	goto &main_loop unless $REALLY_UNLOOP;
1984	}	3433	}
1985		3434
1986	sub main {	3435	sub main {
		3436	cf::init_globals; # initialise logging
		3437
		3438	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3439	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3440	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3441	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3442
		3443	cf::init_experience;
		3444	cf::init_anim;
		3445	cf::init_attackmess;
		3446	cf::init_dynamic;
		3447
		3448	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3449
1987	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {	3453	(async {
1991	Event::one_event;	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
1992	})->();	3455	EV::loop EV::LOOP_ONESHOT;
		3456	})->prio (Coro::PRIO_MAX);
1993	};	3457	};
1994		3458
1995	cfg_load;	3459	evthread_start IO::AIO::poll_fileno;
1996	db_load;	3460
		3461	cf::sync_job {
		3462	reload_resources;
		3463	reload_config;
		3464	db_init;
		3465
		3466	cf::load_settings;
		3467	cf::load_materials;
		3468	cf::init_uuid;
		3469	cf::init_signals;
		3470	cf::init_commands;
		3471	cf::init_skills;
		3472
		3473	cf::init_beforeplay;
		3474
		3475	atomic;
		3476
1997	load_extensions;	3477	load_extensions;
1998	Event::loop;	3478
		3479	utime time, time, $RUNTIMEFILE;
		3480
		3481	# no (long-running) fork's whatsoever before this point(!)
		3482	use POSIX ();
		3483	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3484
		3485	(pop @POST_INIT)->(0) while @POST_INIT;
		3486	};
		3487
		3488	main_loop;
1999	}	3489	}
2000		3490
2001	#############################################################################	3491	#############################################################################
2002	# initialisation	3492	# initialisation and cleanup
2003		3493
		3494	# install some emergency cleanup handlers
		3495	BEGIN {
		3496	our %SIGWATCHER = ();
		3497	for my $signal (qw(INT HUP TERM)) {
		3498	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3499	cf::cleanup "SIG$signal";
		3500	};
		3501	}
		3502	}
		3503
		3504	sub write_runtime_sync {
		3505	# first touch the runtime file to show we are still running:
		3506	# the fsync below can take a very very long time.
		3507
		3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3509
		3510	my $guard = cf::lock_acquire "write_runtime";
		3511
		3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3513	or return;
		3514
		3515	my $value = $cf::RUNTIME + 90 + 10;
		3516	# 10 is the runtime save interval, for a monotonic clock
		3517	# 60 allows for the watchdog to kill the server.
		3518
		3519	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3520	and return;
		3521
		3522	# always fsync - this file is important
		3523	aio_fsync $fh
		3524	and return;
		3525
		3526	# touch it again to show we are up-to-date
		3527	aio_utime $fh, undef, undef;
		3528
		3529	close $fh
		3530	or return;
		3531
		3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3533	and return;
		3534
		3535	warn "runtime file written.\n";
		3536
		3537	1
		3538	}
		3539
		3540	our $uuid_lock;
		3541	our $uuid_skip;
		3542
		3543	sub write_uuid_sync($) {
		3544	$uuid_skip ||= $_[0];
		3545
		3546	return if $uuid_lock;
		3547	local $uuid_lock = 1;
		3548
		3549	my $uuid = "$LOCALDIR/uuid";
		3550
		3551	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3552	or return;
		3553
		3554	my $value = uuid_seq uuid_cur;
		3555
		3556	unless ($value) {
		3557	warn "cowardly refusing to write zero uuid value!\n";
		3558	return;
		3559	}
		3560
		3561	my $value = uuid_str $value + $uuid_skip;
		3562	$uuid_skip = 0;
		3563
		3564	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3565	and return;
		3566
		3567	# always fsync - this file is important
		3568	aio_fsync $fh
		3569	and return;
		3570
		3571	close $fh
		3572	or return;
		3573
		3574	aio_rename "$uuid~", $uuid
		3575	and return;
		3576
		3577	warn "uuid file written ($value).\n";
		3578
		3579	1
		3580
		3581	}
		3582
		3583	sub write_uuid($$) {
		3584	my ($skip, $sync) = @_;
		3585
		3586	$sync ? write_uuid_sync $skip
		3587	: async { write_uuid_sync $skip };
		3588	}
		3589
		3590	sub emergency_save() {
		3591	my $freeze_guard = cf::freeze_mainloop;
		3592
		3593	warn "emergency_perl_save: enter\n";
		3594
		3595	cf::sync_job {
		3596	# this is a trade-off: we want to be very quick here, so
		3597	# save all maps without fsync, and later call a global sync
		3598	# (which in turn might be very very slow)
		3599	local $USE_FSYNC = 0;
		3600
		3601	# use a peculiar iteration method to avoid tripping on perl
		3602	# refcount bugs in for. also avoids problems with players
		3603	# and maps saved/destroyed asynchronously.
		3604	warn "emergency_perl_save: begin player save\n";
		3605	for my $login (keys %cf::PLAYER) {
		3606	my $pl = $cf::PLAYER{$login} or next;
		3607	$pl->valid or next;
		3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3609	$pl->save;
		3610	}
		3611	warn "emergency_perl_save: end player save\n";
		3612
		3613	warn "emergency_perl_save: begin map save\n";
		3614	for my $path (keys %cf::MAP) {
		3615	my $map = $cf::MAP{$path} or next;
		3616	$map->valid or next;
		3617	$map->save;
		3618	}
		3619	warn "emergency_perl_save: end map save\n";
		3620
		3621	warn "emergency_perl_save: begin database checkpoint\n";
		3622	BDB::db_env_txn_checkpoint $DB_ENV;
		3623	warn "emergency_perl_save: end database checkpoint\n";
		3624
		3625	warn "emergency_perl_save: begin write uuid\n";
		3626	write_uuid_sync 1;
		3627	warn "emergency_perl_save: end write uuid\n";
		3628	};
		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
		3635	warn "emergency_perl_save: leave\n";
		3636	}
		3637
		3638	sub post_cleanup {
		3639	my ($make_core) = @_;
		3640
		3641	warn Carp::longmess "post_cleanup backtrace"
		3642	if $make_core;
		3643
		3644	my $fh = pidfile;
		3645	unlink $PIDFILE if <$fh> == $$;
		3646	}
		3647
		3648	# a safer delete_package, copied from Symbol
		3649	sub clear_package($) {
		3650	my $pkg = shift;
		3651
		3652	# expand to full symbol table name if needed
		3653	unless ($pkg =~ /^main::.*::$/) {
		3654	$pkg = "main$pkg" if $pkg =~ /^::/;
		3655	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3656	$pkg .= '::' unless $pkg =~ /::$/;
		3657	}
		3658
		3659	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3660	my $stem_symtab = *{$stem}{HASH};
		3661
		3662	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3663	or return;
		3664
		3665	# clear all symbols
		3666	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3667	for my $name (keys %$leaf_symtab) {
		3668	_gv_clear *{"$pkg$name"};
		3669	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3670	}
		3671	warn "cleared package $pkg\n";#d#
		3672	}
		3673
2004	sub reload() {	3674	sub do_reload_perl() {
2005	# can/must only be called in main	3675	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	3677	warn "can only reload from main coroutine";
2008	return;	3678	return;
2009	}	3679	}
2010		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
2011	warn "reloading...";	3686	warn "reloading...";
2012		3687
2013	local $FREEZE = 1;	3688	warn "entering sync_job";
		3689
		3690	cf::sync_job {
		3691	cf::write_runtime_sync; # external watchdog should not bark
2014	cf::emergency_save;	3692	cf::emergency_save;
		3693	cf::write_runtime_sync; # external watchdog should not bark
2015		3694
2016	eval {	3695	warn "syncing database to disk";
		3696	BDB::db_env_txn_checkpoint $DB_ENV;
		3697
2017	# if anything goes wrong in here, we should simply crash as we already saved	3698	# if anything goes wrong in here, we should simply crash as we already saved
2018		3699
2019	# cancel all watchers	3700	warn "flushing outstanding aio requests";
2020	for (Event::all_watchers) {	3701	while (IO::AIO::nreqs || BDB::nreqs) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2022	}
2023
2024	# cancel all extension coros
2025	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();
2027
2028	# unload all extensions
2029	for (@exts) {
2030	warn "unloading <$_>";
2031	unload_extension $_;
2032	}
2033
2034	# unload all modules loaded from $LIBDIR
2035	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037
2038	warn "removing <$k>";
2039	delete $INC{$k};
2040
2041	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;
2043
2044	if (my $cb = $k->can ("unload_module")) {
2045	$cb->();
2046	}	3703	}
2047		3704
2048	Symbol::delete_package $k;	3705	warn "cancelling all extension coros";
		3706	$_->cancel for values %EXT_CORO;
		3707	%EXT_CORO = ();
		3708
		3709	warn "removing commands";
		3710	%COMMAND = ();
		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
		3718	warn "... unloading $pkg";
		3719
		3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
		3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
2049	}	3729	}
2050		3730
2051	# sync database to disk	3731	warn "unloading all perl modules loaded from $LIBDIR";
2052	cf::db_sync;	3732	while (my ($k, $v) = each %INC) {
2053	IO::AIO::flush;	3733	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2054		3734
		3735	warn "... unloading $k";
		3736	delete $INC{$k};
		3737
		3738	$k =~ s/\.pm$//;
		3739	$k =~ s/\//::/g;
		3740
		3741	if (my $cb = $k->can ("unload_module")) {
		3742	$cb->();
		3743	}
		3744
		3745	clear_package $k;
		3746	}
		3747
2055	# get rid of safe::, as good as possible	3748	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3750	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		3751
2059	# remove register_script_function callbacks	3752	warn "unloading cf.pm \"a bit\"";
2060	# TODO
2061
2062	# unload cf.pm "a bit"
2063	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
		3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2064		3755
2065	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
2066	# and global variables created in xs	3757	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
2068		3759
2069	# reload cf.pm	3760	warn "unload completed, starting to reload now";
		3761
2070	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
2071	require cf;	3763	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl_1;
2073		3765
2074	# load config and database again	3766	warn "loading config and database again";
2075	cf::cfg_load;	3767	cf::reload_config;
2076	cf::db_load;
2077		3768
2078	# load extensions
2079	warn "load extensions";	3769	warn "loading extensions";
2080	cf::load_extensions;	3770	cf::load_extensions;
2081		3771
2082	# reattach attachments to objects	3772	if ($REATTACH_ON_RELOAD) {
		3773	warn "reattaching attachments to objects/players";
		3774	_global_reattach; # objects, sockets
		3775	warn "reattaching attachments to maps";
		3776	reattach $_ for values %MAP;
		3777	warn "reattaching attachments to players";
		3778	reattach $_ for values %PLAYER;
		3779	}
		3780
		3781	warn "running post_init jobs";
		3782	(pop @POST_INIT)->(1) while @POST_INIT;
		3783
		3784	warn "leaving sync_job";
		3785
		3786	1
		3787	} or do {
		3788	warn $@;
		3789	cf::cleanup "error while reloading, exiting.";
		3790	};
		3791
2083	warn "reattach";	3792	warn "reloaded";
2084	_global_reattach;	3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
		3798	};
		3799
		3800	our $RELOAD_WATCHER; # used only during reload
		3801
		3802	sub reload_perl() {
		3803	# doing reload synchronously and two reloads happen back-to-back,
		3804	# coro crashes during coro_state_free->destroy here.
		3805
		3806	$RELOAD_WATCHER ||= cf::async {
		3807	Coro::AIO::aio_wait cache_extensions;
		3808
		3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3810	do_reload_perl;
		3811	undef $RELOAD_WATCHER;
		3812	};
2085	};	3813	};
2086
2087	if ($@) {
2088	warn $@;
2089	warn "error while reloading, exiting.";
2090	exit 1;
2091	}
2092
2093	warn "reloaded successfully";
2094	};
2095
2096	#############################################################################
2097
2098	unless ($LINK_MAP) {
2099	$LINK_MAP = cf::map::new;
2100
2101	$LINK_MAP->width (41);
2102	$LINK_MAP->height (41);
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,
2111	cb => sub {
2112	$_[0]->w->cancel;
2113
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});
2132
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}	3814	}
2138
2139	register "<global>", __PACKAGE__;
2140		3815
2141	register_command "reload" => sub {	3816	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
2143		3818
2144	if ($who->flag (FLAG_WIZ)) {	3819	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");
2146	reload;
2147	$who->message ("end of reload.");	3820	$who->message ("reloading server.");
		3821	async {
		3822	$Coro::current->{desc} = "perl_reload";
		3823	reload_perl;
		3824	};
2148	}	3825	}
2149	};	3826	};
2150		3827
2151	unshift @INC, $LIBDIR;	3828	unshift @INC, $LIBDIR;
2152		3829
2153	$TICK_WATCHER = Event->timer (	3830	my $bug_warning = 0;
2154	reentrant => 0,	3831
2155	prio => 0,	3832	our @WAIT_FOR_TICK;
2156	at => $NEXT_TICK || $TICK,	3833	our @WAIT_FOR_TICK_BEGIN;
2157	data => WF_AUTOCANCEL,	3834
2158	cb => sub {	3835	sub wait_for_tick {
2159	unless ($FREEZE) {	3836	return if tick_inhibit || $Coro::current == $Coro::main;
		3837
		3838	my $signal = new Coro::Signal;
		3839	push @WAIT_FOR_TICK, $signal;
		3840	$signal->wait;
		3841	}
		3842
		3843	sub wait_for_tick_begin {
		3844	return if tick_inhibit || $Coro::current == $Coro::main;
		3845
		3846	my $signal = new Coro::Signal;
		3847	push @WAIT_FOR_TICK_BEGIN, $signal;
		3848	$signal->wait;
		3849	}
		3850
		3851	sub tick {
		3852	if ($Coro::current != $Coro::main) {
		3853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3854	unless ++$bug_warning > 10;
		3855	return;
		3856	}
		3857
2160	cf::server_tick; # one server iteration	3858	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;
2162	}
2163		3859
2164	$NEXT_TICK += $TICK;	3860	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2165		3861	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2166	# if we are delayed by four ticks or more, skip them all	3862	Coro::async_pool {
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3863	$Coro::current->{desc} = "runtime saver";
2168
2169	$TICK_WATCHER->at ($NEXT_TICK);
2170	$TICK_WATCHER->start;
2171	},
2172	);
2173
2174	IO::AIO::max_poll_time $TICK * 0.2;
2175
2176	Event->io (
2177	fd => IO::AIO::poll_fileno,
2178	poll => 'r',
2179	prio => 5,
2180	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,
2182	);
2183
2184	Event->timer (
2185	data => WF_AUTOCANCEL,
2186	after => 0,
2187	interval => 10,
2188	cb => sub {
2189	(Coro::unblock_sub {
2190	write_runtime	3864	write_runtime_sync
2191	or warn "ERROR: unable to write runtime file: $!";	3865	or warn "ERROR: unable to write runtime file: $!";
2192	})->();	3866	};
2193	},	3867	}
2194	);	3868
		3869	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3870	$sig->send;
		3871	}
		3872	while (my $sig = shift @WAIT_FOR_TICK) {
		3873	$sig->send;
		3874	}
		3875
		3876	$LOAD = ($NOW - $TICK_START) / $TICK;
		3877	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3878
		3879	if (0) {
		3880	if ($NEXT_TICK) {
		3881	my $jitter = $TICK_START - $NEXT_TICK;
		3882	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3883	warn "jitter $JITTER\n";#d#
		3884	}
		3885	}
		3886	}
		3887
		3888	{
		3889	# configure BDB
		3890
		3891	BDB::min_parallel 8;
		3892	BDB::max_poll_reqs $TICK * 0.1;
		3893	$AnyEvent::BDB::WATCHER->priority (1);
		3894
		3895	unless ($DB_ENV) {
		3896	$DB_ENV = BDB::db_env_create;
		3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3898	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3899	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3902
		3903	cf::sync_job {
		3904	eval {
		3905	BDB::db_env_open
		3906	$DB_ENV,
		3907	$BDBDIR,
		3908	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3909	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3910	0666;
		3911
		3912	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3913	};
		3914
		3915	cf::cleanup "db_env_open(db): $@" if $@;
		3916	};
		3917	}
		3918
		3919	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3920	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3921	};
		3922	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3923	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3924	};
		3925	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3926	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3927	};
		3928	}
		3929
		3930	{
		3931	# configure IO::AIO
		3932
		3933	IO::AIO::min_parallel 8;
		3934	IO::AIO::max_poll_time $TICK * 0.1;
		3935	undef $AnyEvent::AIO::WATCHER;
		3936	}
		3937
		3938	my $_log_backtrace;
		3939
		3940	sub _log_backtrace {
		3941	my ($msg, @addr) = @_;
		3942
		3943	$msg =~ s/\n//;
		3944
		3945	# limit the # of concurrent backtraces
		3946	if ($_log_backtrace < 2) {
		3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
		3949	async {
		3950	$Coro::current->{desc} = "abt $msg";
		3951
		3952	my @bt = fork_call {
		3953	@addr = map { sprintf "%x", $_ } @addr;
		3954	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3955	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3956	or die "addr2line: $!";
		3957
		3958	my @funcs;
		3959	my @res = <$fh>;
		3960	chomp for @res;
		3961	while (@res) {
		3962	my ($func, $line) = splice @res, 0, 2, ();
		3963	push @funcs, "[$func] $line";
		3964	}
		3965
		3966	@funcs
		3967	};
		3968
		3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3971	LOG llevInfo, "[ABT] $_\n" for @bt;
		3972	--$_log_backtrace;
		3973	};
		3974	} else {
		3975	LOG llevInfo, "[ABT] $msg\n";
		3976	LOG llevInfo, "[ABT] [suppressed]\n";
		3977	}
		3978	}
		3979
		3980	# load additional modules
		3981	require "cf/$_.pm" for @EXTRA_MODULES;
		3982	cf::_connect_to_perl_2;
		3983
		3984	END { cf::emergency_save }
2195		3985
2196	1	3986	1
2197		3987

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