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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.521 by root, Fri Apr 16 23:28:42 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	118	our $NEXT_TICK;
52	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
53		127
54	our %CFG;	128	our %CFG;
55		129
56	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
58		133
59	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		137
67	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
70	binmode STDOUT;	151	binmode STDOUT;
71	binmode STDERR;	152	binmode STDERR;
72		153
73	# read virtual server time, if available	154	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
78	}	159	}
79		160
80	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	162
82	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		165
86	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
87		167
88	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
89		180
90	#############################################################################	181	#############################################################################
91		182
92	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
93		184
…		…
100	=item $cf::RUNTIME	191	=item $cf::RUNTIME
101		192
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	194	every server tick.
104		195
105	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		199
107	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
109		204
110	=item $cf::NOW	205	=item $cf::NOW
111		206
112	The time of the last (current) server tick.	207	The time of the last (current) server tick.
113		208
114	=item $cf::TICK	209	=item $cf::TICK
115		210
116	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
117		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
118	=item %cf::CFG	223	=item %cf::CFG
119		224
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	226	from wherever your confdir points to.
122		227
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		229
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	231	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
129		245
130	=back	246	=back
131		247
132	=cut	248	=cut
133		249
134	BEGIN {	250	$Coro::State::WARNHOOK = sub {
135	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	251	my $msg = join "", @_;
137	utf8::encode $msg;
138		252
139	$msg .= "\n"	253	$msg .= "\n"
140	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
141		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
142	LOG llevError, $msg;	258	LOG llevError, $msg;
143	};	259	};
144	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
145		274
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		282
153	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	284	# within the Safe compartment.
155	for my $pkg (qw(	285	for my $pkg (qw(
156	cf::global cf::attachable	286	cf::global cf::attachable
157	cf::object cf::object::player	287	cf::object cf::object::player
158	cf::client cf::player	288	cf::client cf::player
159	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
160	cf::map cf::party cf::region	291	cf::party cf::region
161	)) {	292	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	294	}
165		295
166	$Event::DIED = sub {	296	$EV::DIED = sub {
167	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
168	};	298	};
		299
		300	#############################################################################
169		301
170	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
171		303
172	=over 4	304	=over 4
173		305
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	325	$d
194	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
195	}	327	}
196		328
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
200		330
201	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
202		332
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
211		334
212	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
213		336
214	=cut	337	=cut
215		338
216	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
218	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
219	}	356	}
220		357
221	=item cf::lock_wait $string	358	=item cf::lock_wait $string
222		359
223	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
224		361
225	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
226		363
227	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
230	returned.	367	returned.
231		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
232	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
234		374
235	=cut	375	=item $locked = cf::lock_active $string
236		376
237	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
238		382
239	sub lock_wait($) {	383	sub lock_wait($) {
240	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	385	}
248		386
249	sub lock_acquire($) {	387	sub lock_acquire($) {
250	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
251		390
252	# wait, to be sure we are not locked	391	sub lock_active($) {
253	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	393	}
262		394
263	sub freeze_mainloop {	395	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
265		397
266	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	399	}
268	$WRITE_RUNTIME_WATCHER->start;	400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
269	};	465	}
270	$WRITE_RUNTIME_WATCHER->stop;	466	};
271	$TICK_WATCHER->stop;	467
272	$guard	468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
273	}	481	}
274		482
275	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
276		484
277	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		490
283	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
284		492
285	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
286		494
287	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
290		499
291	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
294	fast or be very important.	503	fast or be very important.
…		…
297		506
298	sub sync_job(&) {	507	sub sync_job(&) {
299	my ($job) = @_;	508	my ($job) = @_;
300		509
301	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
302	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
304		515
305	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	517
307	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
308		519
309	my $busy = 1;	520	my $busy = 1;
310	my @res;	521	my @res;
311		522
312	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	525	@res = eval { $job->() };
314	warn $@ if $@;	526	warn $@ if $@;
315	undef $busy;	527	undef $busy;
316	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
317		529
318	while ($busy) {	530	while ($busy) {
319	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
320	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
321		541
322	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
323	} else {	543	} else {
324	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
325		545
…		…
345	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
346		566
347	$coro	567	$coro
348	}	568	}
349		569
350	sub write_runtime {	570	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		571
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
354	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
355		576
356	my $value = $cf::RUNTIME + 90 + 10;	577	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		578
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	sub fork_call(&@) {
361	and return;	580	my ($cb, @args) = @_;
362		581
363	aio_fsync $fh	582	# we seemingly have to make a local copy of the whole thing,
364	and return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
365		585
366	close $fh	586	my @res = Coro::Util::fork_eval {
367	or return;	587	reset_signals;
		588	&$cb
		589	}, @args;
368		590
369	aio_rename "$runtime~", $runtime	591	wantarray ? @res : $res[-1]
370	and return;	592	}
371		593
		594	sub objinfo {
372	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	768	}
374		769
375	=back	770	=back
376		771
377	=cut	772	=cut
378		773
379	#############################################################################	774	#############################################################################
380		775
381	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
382		777
383	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
386		781
387	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	784	Deliantra).
390		785
391	=over 4	786	=over 4
392		787
393	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
394		789
…		…
438	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
439		834
440	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
442		837
443	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
445		840
446	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
447		842
448	=over 4	843	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
558		953
559	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		958
564	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	960	my $pkg = shift @arg;
566		961
567	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
597	}	992	}
598		993
599	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
600	} else {	995	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	997	}
603		998
604	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
605	}	1000	}
606		1001
…		…
608	if (ref $_[0]) {	1003	if (ref $_[0]) {
609	_object_attach @_;	1004	_object_attach @_;
610	} else {	1005	} else {
611	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
612	}	1007	}
		1008	_recalc_want;
613	};	1009	};
614		1010
615	# all those should be optimised	1011	# all those should be optimised
616	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1017	reattach ($obj);
622	} else {	1018	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
624	}	1020	}
		1021	_recalc_want;
625	};	1022	};
626		1023
627	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
629		1026
…		…
644	";	1041	";
645	die if $@;	1042	die if $@;
646	}	1043	}
647		1044
648	our $override;	1045	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1047
651	sub override {	1048	sub override {
652	$override = 1;	1049	$override = 1;
653	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
654	}	1051	}
655		1052
656	sub do_invoke {	1053	sub do_invoke {
657	my $event = shift;	1054	my $event = shift;
658	my $callbacks = shift;	1055	my $callbacks = shift;
659		1056
660	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
661		1058
662	local $override;	1059	local $override;
663		1060
664	for (@$callbacks) {	1061	for (@$callbacks) {
665	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
674	}	1071	}
675		1072
676	0	1073	0
677	}	1074	}
678		1075
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1077
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1079
683	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
684		1081
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1085
689	=back	1086	=back
690		1087
691	=cut	1088	=cut
692		1089
693	#############################################################################	1090	#############################################################################
694	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
695		1134
696	sub reattach {	1135	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1137	my ($obj) = @_;
699		1138
		1139	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1141
702	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
703		1143
704	@$registry = ();	1144	@$registry = ();
705		1145
…		…
720	cf::attachable->attach (	1160	cf::attachable->attach (
721	prio => -1000000,	1161	prio => -1000000,
722	on_instantiate => sub {	1162	on_instantiate => sub {
723	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
724		1164
725	$data = from_json $data;	1165	$data = decode_json $data;
726		1166
727	for (@$data) {	1167	for (@$data) {
728	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
729		1169
730	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1186	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
748		1188
749	sync_job {	1189	sync_job {
750	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
753		1194
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1198	if ($cf::USE_FSYNC) {
		1199	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;
757	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
758	close $fh;	1202	aio_close $fh;
759		1203
760	if (@$objs) {	1204	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
		1209	if ($cf::USE_FSYNC) {
		1210	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;
765	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
766	close $fh;	1213	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
768	}	1215	}
769	} else {	1216	} else {
770	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
771	}	1218	}
772		1219
773	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1224	} else {
775	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
776	}	1226	}
777	} else {	1227	} else {
778	aio_unlink $filename;	1228	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
780	}	1230	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1231	};
788	}	1232	}
789		1233
790	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
792		1236
…		…
797		1241
798	sub object_thawer_load {	1242	sub object_thawer_load {
799	my ($filename) = @_;	1243	my ($filename) = @_;
800		1244
801	my ($data, $av);	1245	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1246
806	(aio_load $filename, $data) >= 0	1247	(aio_load $filename, $data) >= 0
807	or return;	1248	or return;
808		1249
809	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
811	or return;	1252	or return;
		1253
812	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
813	}	1256	}
814		1257
		1258	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
817	return ($data, $av);	1262	($data, $av)
818	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
819		1270
820	#############################################################################	1271	#############################################################################
821	# command handling &c	1272	# command handling &c
822		1273
823	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1288	}
838		1289
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1291
841	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
842		1297
843	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
844	called.	1299	called.
845		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
846	=cut	1312	=cut
847		1313
848	sub register_extcmd {	1314	sub register_extcmd {
849	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
850		1316
851	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
852	}	1318	}
853		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
854	cf::player->attach (	1328	cf::player->attach (
855	on_command => sub {	1329	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
857		1331
858	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
859	or return;	1333	or return;
860		1334
…		…
865	cf::override;	1339	cf::override;
866	},	1340	},
867	on_extcmd => sub {	1341	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
869		1343
870	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1345
872	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
878	} else {	1361	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1363	}
881		1364
882	cf::override;	1365	cf::override;
883	},	1366	},
884	);	1367	);
885		1368
		1369	# "readahead" all extensions
886	sub load_extension {	1370	sub cache_extensions {
887	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
888		1372
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1376	}
914	die $@;
915	}	1377	};
916		1378
917	push @EXTS, $pkg;	1379	$grp
918	}	1380	}
919		1381
920	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
921	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1387	next unless -r $path;
923	eval {	1388
924	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441
		1442	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1443	delete $todo{$k};
		1444	} else {
		1445	$done{$k} = delete $todo{$k};
		1446	push @EXTS, $v->{pkg};
		1447	$progress = 1;
		1448
		1449	warn "$v->{base}: extension inactive.\n"
		1450	unless $active;
		1451	}
925	1	1452	}
926	} or warn "$ext not loaded: $@";	1453
		1454	unless ($progress) {
		1455	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1456
		1457	while (my ($k, $v) = each %todo) {
		1458	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460	}
		1461	}
		1462	}
927	}	1463	};
928	}	1464	}
929		1465
930	#############################################################################	1466	#############################################################################
931		1467
		1468	=back
		1469
932	=head2 CORE EXTENSIONS	1470	=head2 CORE EXTENSIONS
933		1471
934	Functions and methods that extend core crossfire objects.	1472	Functions and methods that extend core deliantra objects.
935		1473
936	=cut	1474	=cut
937		1475
938	package cf::player;	1476	package cf::player;
939		1477
…		…
941		1479
942	=head3 cf::player	1480	=head3 cf::player
943		1481
944	=over 4	1482	=over 4
945		1483
		1484	=item cf::player::num_playing
		1485
		1486	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1487
		1488	=cut
		1489
		1490	sub num_playing {
		1491	scalar grep
		1492	$_->ob->map
		1493	&& !$_->hidden
		1494	&& !$_->ob->flag (cf::FLAG_WIZ),
		1495	cf::player::list
		1496	}
		1497
946	=item cf::player::find $login	1498	=item cf::player::find $login
947		1499
948	Returns the given player object, loading it if necessary (might block).	1500	Returns the given player object, loading it if necessary (might block).
949		1501
950	=cut	1502	=cut
951		1503
952	sub playerdir($) {	1504	sub playerdir($) {
953	cf::localdir	1505	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1506	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1507	}
959		1508
960	sub path($) {	1509	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1510	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1511
963	(playerdir $login) . "/$login.pl"	1512	(playerdir $login) . "/playerdata"
964	}	1513	}
965		1514
966	sub find_active($) {	1515	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1516	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1517	and $cf::PLAYER{$_[0]}->active
…		…
971		1520
972	sub exists($) {	1521	sub exists($) {
973	my ($login) = @_;	1522	my ($login) = @_;
974		1523
975	$cf::PLAYER{$login}	1524	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1525	or !aio_stat path $login
977	}	1526	}
978		1527
979	sub find($) {	1528	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1529	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1530	my $login = $_[0];
982		1531
983	my $guard = cf::lock_acquire "user_find:$login";	1532	my $guard = cf::lock_acquire "user_find:$login";
984		1533
985	$cf::PLAYER{$_[0]} || do {	1534	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1535	# rename old playerfiles to new ones
		1536	#TODO: remove when no longer required
		1537	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1538	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1539	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1540	aio_unlink +(playerdir $login) . "/$login.pl";
		1541
		1542	my $f = new_from_file cf::object::thawer path $login
987	or return;	1543	or return;
		1544
		1545	my $pl = cf::player::load_pl $f
		1546	or return;
		1547
		1548	local $cf::PLAYER_LOADING{$login} = $pl;
		1549	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1550	$cf::PLAYER{$login} = $pl
989	}	1551	}
990	}	1552	}
991	}	1553	}
		1554
		1555	cf::player->attach (
		1556	on_load => sub {
		1557	my ($pl, $path) = @_;
		1558
		1559	# restore slots saved in save, below
		1560	my $slots = delete $pl->{_slots};
		1561
		1562	$pl->ob->current_weapon ($slots->[0]);
		1563	$pl->combat_ob ($slots->[1]);
		1564	$pl->ranged_ob ($slots->[2]);
		1565	},
		1566	);
992		1567
993	sub save($) {	1568	sub save($) {
994	my ($pl) = @_;	1569	my ($pl) = @_;
995		1570
996	return if $pl->{deny_save};	1571	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1576	return if $pl->{deny_save};
1002		1577
1003	aio_mkdir playerdir $pl, 0770;	1578	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1579	$pl->{last_save} = $cf::RUNTIME;
1005		1580
		1581	cf::get_slot 0.01;
		1582
		1583	# save slots, to be restored later
		1584	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1585
1006	$pl->save_pl ($path);	1586	$pl->save_pl ($path);
1007	Coro::cede;	1587	cf::cede_to_tick;
1008	}	1588	}
1009		1589
1010	sub new($) {	1590	sub new($) {
1011	my ($login) = @_;	1591	my ($login) = @_;
1012		1592
…		…
1018	$cf::PLAYER{$login} = $self;	1598	$cf::PLAYER{$login} = $self;
1019		1599
1020	$self	1600	$self
1021	}	1601	}
1022		1602
		1603	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1604
		1605	=cut
		1606
		1607	sub send_msg {
		1608	my $ns = shift->ns
		1609	or return;
		1610	$ns->send_msg (@_);
		1611	}
		1612
1023	=item $pl->quit_character	1613	=item $pl->quit_character
1024		1614
1025	Nukes the player without looking back. If logged in, the connection will	1615	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1616	be destroyed. May block for a long time.
1027		1617
1028	=cut	1618	=cut
1029		1619
1030	sub quit_character {	1620	sub quit_character {
1031	my ($pl) = @_;	1621	my ($pl) = @_;
1032		1622
		1623	my $name = $pl->ob->name;
		1624
1033	$pl->{deny_save} = 1;	1625	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1626	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1627
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1628	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1629	$pl->deactivate;
		1630	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1631	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1632	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1633	$pl->ns->destroy if $pl->ns;
1040		1634
1041	my $path = playerdir $pl;	1635	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1636	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1637	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1638	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1639	$pl->destroy;
		1640
		1641	my $prefix = qr<^~\Q$name\E/>;
		1642
		1643	# nuke player maps
		1644	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1645
1046	IO::AIO::aio_rmtree $temp;	1646	IO::AIO::aio_rmtree $temp;
		1647	}
		1648
		1649	=item $pl->kick
		1650
		1651	Kicks a player out of the game. This destroys the connection.
		1652
		1653	=cut
		1654
		1655	sub kick {
		1656	my ($pl, $kicker) = @_;
		1657
		1658	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1659	$pl->killer ("kicked");
		1660	$pl->ns->destroy;
1047	}	1661	}
1048		1662
1049	=item cf::player::list_logins	1663	=item cf::player::list_logins
1050		1664
1051	Returns am arrayref of all valid playernames in the system, can take a	1665	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1666	while and may block, so not sync_job-capable, ever.
1053		1667
1054	=cut	1668	=cut
1055		1669
1056	sub list_logins {	1670	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1671	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1672	or return [];
1059		1673
1060	my @logins;	1674	my @logins;
1061		1675
1062	for my $login (@$dirs) {	1676	for my $login (@$dirs) {
		1677	my $path = path $login;
		1678
		1679	# a .pst is a dead give-away for a valid player
		1680	# if no pst file found, open and chekc for blocked users
		1681	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1682	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1683	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1684	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1685	}
1066		1686
1067	utf8::decode $login;	1687	utf8::decode $login;
1068	push @logins, $login;	1688	push @logins, $login;
1069	}	1689	}
1070		1690
…		…
1078		1698
1079	=cut	1699	=cut
1080		1700
1081	sub maps($) {	1701	sub maps($) {
1082	my ($pl) = @_;	1702	my ($pl) = @_;
		1703
		1704	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1705
1084	my $files = aio_readdir playerdir $pl	1706	my $files = aio_readdir playerdir $pl
1085	or return;	1707	or return;
1086		1708
1087	my @paths;	1709	my @paths;
…		…
1089	for (@$files) {	1711	for (@$files) {
1090	utf8::decode $_;	1712	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1713	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1714	next unless /^$PATH_SEP/o;
1093		1715
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1716	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1717	}
1096		1718
1097	\@paths	1719	\@paths
1098	}	1720	}
1099		1721
		1722	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1723
		1724	Expand deliantra pod fragments into protocol xml.
		1725
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1726	=item $player->ext_reply ($msgid, @msg)
1101		1727
1102	Sends an ext reply to the player.	1728	Sends an ext reply to the player.
1103		1729
1104	=cut	1730	=cut
1105		1731
1106	sub ext_reply($$$%) {	1732	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1733	my ($self, $id, @msg) = @_;
1108		1734
1109	$msg{msgid} = $id;	1735	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1736	}
1113		1737
1114	package cf;	1738	=item $player->ext_msg ($type, @msg)
		1739
		1740	Sends an ext event to the client.
		1741
		1742	=cut
		1743
		1744	sub ext_msg($$@) {
		1745	my ($self, $type, @msg) = @_;
		1746
		1747	$self->ns->ext_msg ($type, @msg);
		1748	}
		1749
		1750	=head3 cf::region
		1751
		1752	=over 4
		1753
		1754	=cut
		1755
		1756	package cf::region;
		1757
		1758	=item cf::region::find_by_path $path
		1759
		1760	Tries to decuce the likely region for a map knowing only its path.
		1761
		1762	=cut
		1763
		1764	sub find_by_path($) {
		1765	my ($path) = @_;
		1766
		1767	my ($match, $specificity);
		1768
		1769	for my $region (list) {
		1770	if ($region->{match} && $path =~ $region->{match}) {
		1771	($match, $specificity) = ($region, $region->specificity)
		1772	if $region->specificity > $specificity;
		1773	}
		1774	}
		1775
		1776	$match
		1777	}
1115		1778
1116	=back	1779	=back
1117
1118		1780
1119	=head3 cf::map	1781	=head3 cf::map
1120		1782
1121	=over 4	1783	=over 4
1122		1784
…		…
1134	our $MAX_RESET = 3600;	1796	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1797	our $DEFAULT_RESET = 3000;
1136		1798
1137	sub generate_random_map {	1799	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1800	my ($self, $rmp) = @_;
		1801
		1802	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1803
1139	# mit "rum" bekleckern, nicht	1804	# mit "rum" bekleckern, nicht
1140	$self->_create_random_map (	1805	$self->_create_random_map (
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1806	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1807	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1808	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1144	$rmp->{exit_on_final_map},	1809	$rmp->{exit_on_final_map},
1145	$rmp->{xsize}, $rmp->{ysize},	1810	$rmp->{xsize}, $rmp->{ysize},
1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1811	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1812	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1177	my ($self, $merge) = @_;	1842	my ($self, $merge) = @_;
1178		1843
1179	# we have to keep some variables in memory intact	1844	# we have to keep some variables in memory intact
1180	local $self->{path};	1845	local $self->{path};
1181	local $self->{load_path};	1846	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1847
1185	$self->SUPER::thawer_merge ($merge);	1848	$self->SUPER::thawer_merge ($merge);
1186	}	1849	}
1187		1850
1188	sub normalise {	1851	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1898	$self->init; # pass $1 etc.
1236	return $self;	1899	return $self;
1237	}	1900	}
1238	}	1901	}
1239		1902
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1903	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1904	()
1242	}	1905	}
1243		1906
1244	sub init {	1907	sub init {
1245	my ($self) = @_;	1908	my ($self) = @_;
…		…
1260		1923
1261	# the original (read-only) location	1924	# the original (read-only) location
1262	sub load_path {	1925	sub load_path {
1263	my ($self) = @_;	1926	my ($self) = @_;
1264		1927
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1928	"$MAPDIR/$self->{path}.map"
1266	}	1929	}
1267		1930
1268	# the temporary/swap location	1931	# the temporary/swap location
1269	sub save_path {	1932	sub save_path {
1270	my ($self) = @_;	1933	my ($self) = @_;
1271		1934
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1935	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1936	"$TMPDIR/$path.map"
1274	}	1937	}
1275		1938
1276	# the unique path, undef == no special unique path	1939	# the unique path, undef == no special unique path
1277	sub uniq_path {	1940	sub uniq_path {
1278	my ($self) = @_;	1941	my ($self) = @_;
1279		1942
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1944	"$UNIQUEDIR/$path"
1282	}	1945	}
1283		1946
1284	# and all this just because we cannot iterate over	1947	sub decay_objects {
1285	# all maps in C++...
1286	sub change_all_map_light {
1287	my ($change) = @_;	1948	my ($self) = @_;
1288		1949
1289	$_->change_map_light ($change)	1950	return if $self->{deny_reset};
1290	for grep $_->outdoor, values %cf::MAP;	1951
		1952	$self->do_decay_objects;
1291	}	1953	}
1292		1954
1293	sub unlink_save {	1955	sub unlink_save {
1294	my ($self) = @_;	1956	my ($self) = @_;
1295		1957
1296	utf8::encode (my $save = $self->save_path);	1958	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1960	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1961	}
1305		1962
1306	sub load_header_from($) {	1963	sub load_header_from($) {
1307	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1308		1965
1309	utf8::encode $path;	1966	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1315		1975
1316	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1317		1977
1318	1	1978	1
1319	}	1979	}
…		…
1358	$self->load_header_orig	2018	$self->load_header_orig
1359	or return;	2019	or return;
1360	$self->prepare_orig;	2020	$self->prepare_orig;
1361	}	2021	}
1362		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
		2026	$self->default_region (cf::region::find_by_path $self->{path})
		2027	unless $self->default_region;
		2028
1363	1	2029	1
1364	}	2030	}
1365		2031
1366	sub find;	2032	sub find;
1367	sub find {	2033	sub find {
1368	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1369		2035
1370	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1371		2037
		2038	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
1373		2040
1374	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";
1376	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1377	or return;	2043	or return;
1378		2044
1379	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1380		2046
1381	$map->load_header	2047	$map->load_header
1382	or return;	2048	or return;
1383		2049
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1387	$map->reset;	2055	$map->reset;
1388	undef $guard;
1389	return find $path;	2056	return find $path;
1390	}	2057	}
1391		2058
1392	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1393	}	2060	}
1394	}	2061	}
1395		2062
1396	sub pre_load { }	2063	sub pre_load { }
1397	sub post_load { }	2064	#sub post_load { } # XS
1398		2065
1399	sub load {	2066	sub load {
1400	my ($self) = @_;	2067	my ($self) = @_;
1401		2068
1402	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1403		2070
1404	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1406		2075
		2076	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		2078
1409	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1410		2080
1411	$self->alloc;	2081	$self->alloc;
1412		2082
1413	$self->pre_load;	2083	$self->pre_load;
		2084	cf::cede_to_tick;
1414		2085
1415	$self->_load_objects ($self->{load_path}, 1)	2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1416	or return;	2089	or return;
1417		2090
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1419	if delete $self->{load_original};	2092	if delete $self->{load_original};
1420		2093
1421	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2095	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2098	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1426	}	2102	}
1427	}	2103	}
1428		2104
1429	Coro::cede;	2105	$f->resolve_delayed_derefs;
1430		2106
		2107	cf::cede_to_tick;
1431	# now do the right thing for maps	2108	# now do the right thing for maps
1432	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2111	unless $self->difficulty;
1442	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
1443	$self->activate;	2119	$self->activate;
		2120	}
		2121
		2122	$self->{last_save} = $cf::RUNTIME;
		2123	$self->last_access ($cf::RUNTIME);
		2124
		2125	$self->in_memory (cf::MAP_ACTIVE);
1444	}	2126	}
1445		2127
1446	$self->post_load;	2128	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	2129	}
1450		2130
		2131	# customize the map for a given player, i.e.
		2132	# return the _real_ map. used by e.g. per-player
		2133	# maps to change the path to ~playername/mappath
1451	sub customise_for {	2134	sub customise_for {
1452	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1453		2136
1454	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2138	if $self->per_player;
1456		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1457	$self	2143	$self
1458	}	2144	}
1459		2145
1460	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2147	sub load_neighbours {
1462	my ($map) = @_;	2148	my ($map) = @_;
1463		2149
1464	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1465		2151
1466	for (0 .. 3) {	2152	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1468	or next;	2154	or next;
1469	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1470	or next;	2156	or next;
1471	$neigh->load;	2157	$neigh->load;
1472		2158
		2159	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2162	}
1476		2163
1477	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1479	or next;	2167	or next;
1480	$neigh->load;	2168	$neigh->load;
1481	}	2169	}
1482	}	2170	}
1483		2171
…		…
1488	}	2176	}
1489		2177
1490	sub do_load_sync {	2178	sub do_load_sync {
1491	my ($map) = @_;	2179	my ($map) = @_;
1492		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1493	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1494	}	2185	}
1495		2186
1496	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1498		2189
1499	sub find_async {	2190	sub find_async {
1500	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1501		2192
1502	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1503		2194
1504	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506	}	2197	}
1507		2198
1508	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1509	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1510	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2206	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2207	$map->load if $v;
		2208	}
1515		2209
1516	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1517	}	2211	}
1518	}	2212	}
1519	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1520	};	2214	};
1521	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
1522		2216
1523	()	2217	()
1524	}	2218	}
1525		2219
		2220	# common code, used by both ->save and ->swapout
1526	sub save {	2221	sub _save {
1527	my ($self) = @_;	2222	my ($self) = @_;
1528
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1530		2223
1531	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1532		2225
1533	return unless $self->dirty;	2226	return unless $self->dirty;
1534		2227
…		…
1540	return if $self->{deny_save};	2233	return if $self->{deny_save};
1541		2234
1542	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1543		2236
1544	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1546	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1547		2243
1548	if ($uniq) {	2244	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2247	} else {
1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1553	}	2249	}
1554	}	2250	}
1555		2251
		2252	sub save {
		2253	my ($self) = @_;
		2254
		2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2256
		2257	$self->_save;
		2258	}
		2259
1556	sub swap_out {	2260	sub swap_out {
1557	my ($self) = @_;	2261	my ($self) = @_;
1558		2262
1559	# save first because save cedes
1560	$self->save;
1561
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2264
		2265	return if $self->in_memory != cf::MAP_ACTIVE;
		2266	return if $self->{deny_save};
1564	return if $self->players;	2267	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};
1567		2268
		2269	# first deactivate the map and "unlink" it from the core
		2270	$self->deactivate;
		2271	$_->clear_links_to ($self) for values %cf::MAP;
		2272	$self->in_memory (cf::MAP_SWAPPED);
		2273
		2274	# then atomically save
		2275	$self->_save;
		2276
		2277	# then free the map
1568	$self->clear;	2278	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2279	}
1571		2280
1572	sub reset_at {	2281	sub reset_at {
1573	my ($self) = @_;	2282	my ($self) = @_;
1574		2283
1575	# TODO: safety, remove and allow resettable per-player maps	2284	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2285	return 1e99 if $self->{deny_reset};
1578		2286
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2287	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2288	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2289
…		…
1592	my ($self) = @_;	2300	my ($self) = @_;
1593		2301
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2302	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2303
1596	return if $self->players;	2304	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2305
1599	warn "resetting map ", $self->path;#d#	2306	warn "resetting map ", $self->path, "\n";
		2307
		2308	$self->in_memory (cf::MAP_SWAPPED);
		2309
		2310	# need to save uniques path
		2311	unless ($self->{deny_save}) {
		2312	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2313
		2314	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2315	if $uniq;
		2316	}
1600		2317
1601	delete $cf::MAP{$self->path};	2318	delete $cf::MAP{$self->path};
1602		2319
1603	$self->in_memory (cf::MAP_SWAPPED);	2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2322	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2323
1608	$self->unlink_save;	2324	$self->unlink_save;
1609	$self->destroy;	2325	$self->destroy;
1610	}	2326	}
1611		2327
1612	my $nuke_counter = "aaaa";	2328	my $nuke_counter = "aaaa";
1613		2329
1614	sub nuke {	2330	sub nuke {
1615	my ($self) = @_;	2331	my ($self) = @_;
1616		2332
		2333	{
		2334	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2335
1617	delete $cf::MAP{$self->path};	2336	delete $cf::MAP{$self->path};
1618		2337
1619	$self->unlink_save;	2338	$self->unlink_save;
1620		2339
1621	bless $self, "cf::map";	2340	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2341	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2342	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2343	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2344	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2345
1627	$cf::MAP{$self->path} = $self;	2346	$cf::MAP{$self->path} = $self;
		2347	}
1628		2348
1629	$self->reset; # polite request, might not happen	2349	$self->reset; # polite request, might not happen
		2350	}
		2351
		2352	=item $maps = cf::map::tmp_maps
		2353
		2354	Returns an arrayref with all map paths of currently instantiated and saved
		2355	maps. May block.
		2356
		2357	=cut
		2358
		2359	sub tmp_maps() {
		2360	[
		2361	map {
		2362	utf8::decode $_;
		2363	/\.map$/
		2364	? normalise $_
		2365	: ()
		2366	} @{ aio_readdir $TMPDIR or [] }
		2367	]
		2368	}
		2369
		2370	=item $maps = cf::map::random_maps
		2371
		2372	Returns an arrayref with all map paths of currently instantiated and saved
		2373	random maps. May block.
		2374
		2375	=cut
		2376
		2377	sub random_maps() {
		2378	[
		2379	map {
		2380	utf8::decode $_;
		2381	/\.map$/
		2382	? normalise "?random/$_"
		2383	: ()
		2384	} @{ aio_readdir $RANDOMDIR or [] }
		2385	]
1630	}	2386	}
1631		2387
1632	=item cf::map::unique_maps	2388	=item cf::map::unique_maps
1633		2389
1634	Returns an arrayref of paths of all shared maps that have	2390	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2391	instantiated unique items. May block.
1636		2392
1637	=cut	2393	=cut
1638		2394
1639	sub unique_maps() {	2395	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2396	[
1641	or return;	2397	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2398	utf8::decode $_;
1647	next if /\.pst$/;	2399	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2400	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2401	? ()
1650	push @paths, cf::map::normalise $_;	2402	: normalise $_
		2403	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2404	]
1652
1653	\@paths
1654	}	2405	}
1655		2406
1656	package cf;	2407	=item cf::map::static_maps
		2408
		2409	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2410	file in the shared directory excluding F</styles> and F</editor>). May
		2411	block.
		2412
		2413	=cut
		2414
		2415	sub static_maps() {
		2416	my @dirs = "";
		2417	my @maps;
		2418
		2419	while (@dirs) {
		2420	my $dir = shift @dirs;
		2421
		2422	next if $dir eq "/styles" || $dir eq "/editor";
		2423
		2424	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2425	or return;
		2426
		2427	for (@$files) {
		2428	s/\.map$// or next;
		2429	utf8::decode $_;
		2430	push @maps, "$dir/$_";
		2431	}
		2432
		2433	push @dirs, map "$dir/$_", @$dirs;
		2434	}
		2435
		2436	\@maps
		2437	}
1657		2438
1658	=back	2439	=back
1659		2440
1660	=head3 cf::object	2441	=head3 cf::object
1661		2442
…		…
1665		2446
1666	=over 4	2447	=over 4
1667		2448
1668	=item $ob->inv_recursive	2449	=item $ob->inv_recursive
1669		2450
1670	Returns the inventory of the object _and_ their inventories, recursively.	2451	Returns the inventory of the object I<and> their inventories, recursively,
		2452	but I<not> the object itself.
1671		2453
1672	=cut	2454	=cut
1673		2455
1674	sub inv_recursive_;	2456	sub inv_recursive_;
1675	sub inv_recursive_ {	2457	sub inv_recursive_ {
…		…
1678		2460
1679	sub inv_recursive {	2461	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2462	inv_recursive_ inv $_[0]
1681	}	2463	}
1682		2464
		2465	=item $ref = $ob->ref
		2466
		2467	Creates and returns a persistent reference to an object that can be stored as a string.
		2468
		2469	=item $ob = cf::object::deref ($refstring)
		2470
		2471	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2472	even if the object actually exists. May block.
		2473
		2474	=cut
		2475
		2476	sub deref {
		2477	my ($ref) = @_;
		2478
		2479	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2480	my ($uuid, $name) = ($1, $2);
		2481	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2482	or return;
		2483	$pl->ob->uuid eq $uuid
		2484	or return;
		2485
		2486	$pl->ob
		2487	} else {
		2488	warn "$ref: cannot resolve object reference\n";
		2489	undef
		2490	}
		2491	}
		2492
1683	package cf;	2493	package cf;
1684		2494
1685	=back	2495	=back
1686		2496
1687	=head3 cf::object::player	2497	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2503	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2504	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2505	dialogue with the given NPC character.
1696		2506
1697	=cut	2507	=cut
		2508
		2509	our $SAY_CHANNEL = {
		2510	id => "say",
		2511	title => "Map",
		2512	reply => "say ",
		2513	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2514	};
		2515
		2516	our $CHAT_CHANNEL = {
		2517	id => "chat",
		2518	title => "Chat",
		2519	reply => "chat ",
		2520	tooltip => "Player chat and shouts, global to the server.",
		2521	};
1698		2522
1699	# rough implementation of a future "reply" method that works	2523	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2524	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2525	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2526	sub cf::object::player::reply($$$;$) {
…		…
1704		2528
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2529	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2530
1707	if ($self->{record_replies}) {	2531	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2532	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2533
1709	} else {	2534	} else {
		2535	my $pl = $self->contr;
		2536
		2537	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2538	my $dialog = $pl->{npc_dialog};
		2539	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2540
		2541	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2542	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2543	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2544	}
1712	}	2545	}
		2546	}
		2547
		2548	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2549
		2550	=cut
		2551
		2552	sub cf::object::send_msg {
		2553	my $pl = shift->contr
		2554	or return;
		2555	$pl->send_msg (@_);
1713	}	2556	}
1714		2557
1715	=item $player_object->may ("access")	2558	=item $player_object->may ("access")
1716		2559
1717	Returns wether the given player is authorized to access resource "access"	2560	Returns wether the given player is authorized to access resource "access"
…		…
1730		2573
1731	=item $player_object->enter_link	2574	=item $player_object->enter_link
1732		2575
1733	Freezes the player and moves him/her to a special map (C<{link}>).	2576	Freezes the player and moves him/her to a special map (C<{link}>).
1734		2577
1735	The player should be reasonably safe there for short amounts of time. You	2578	The player should be reasonably safe there for short amounts of time (e.g.
1736	I<MUST> call C<leave_link> as soon as possible, though.	2579	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2580	though, as the palyer cannot control the character while it is on the link
		2581	map.
1737		2582
1738	Will never block.	2583	Will never block.
1739		2584
1740	=item $player_object->leave_link ($map, $x, $y)	2585	=item $player_object->leave_link ($map, $x, $y)
1741		2586
…		…
1764	$self->deactivate_recursive;	2609	$self->deactivate_recursive;
1765		2610
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2611	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2612
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2613	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2614	if $self->map && $self->map->{path} ne "{link}";
1770		2615
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2616	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1772	}	2617	}
1773		2618
1774	sub cf::object::player::leave_link {	2619	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2620	my ($self, $map, $x, $y) = @_;
		2621
		2622	return unless $self->contr->active;
1776		2623
1777	my $link_pos = delete $self->{_link_pos};	2624	my $link_pos = delete $self->{_link_pos};
1778		2625
1779	unless ($map) {	2626	unless ($map) {
1780	# restore original map position	2627	# restore original map position
…		…
1791	($x, $y) = (-1, -1)	2638	($x, $y) = (-1, -1)
1792	unless (defined $x) && (defined $y);	2639	unless (defined $x) && (defined $y);
1793		2640
1794	# use -1 or undef as default coordinates, not 0, 0	2641	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2642	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2643	if $x <= 0 && $y <= 0;
1797		2644
1798	$map->load;	2645	$map->load;
1799	$map->load_diag;	2646	$map->load_neighbours;
1800		2647
1801	return unless $self->contr->active;	2648	return unless $self->contr->active;
		2649
		2650	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2651	$self->enter_map ($map, $x, $y);
		2652
		2653	# only activate afterwards, to support waiting in hooks
1802	$self->activate_recursive;	2654	$self->activate_recursive;
1803	$self->enter_map ($map, $x, $y);
1804	}	2655	}
1805		2656
1806	cf::player->attach (	2657	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2658
1810	# abort map switching before logout	2659	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2660	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2661	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2662	the new (success) or old (failed) map position. In either case, $done will
1814	};	2663	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2664
1820	# try to abort aborted map switching on player login :)	2665	Note that $check will be called with a potentially non-loaded map, so if
1821	# should happen only on crashes	2666	it needs a loaded map it has to call C<< ->load >>.
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2667
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2668	=cut
		2669
		2670	our $GOTOGEN;
1841		2671
1842	sub cf::object::player::goto {	2672	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2673	my ($self, $path, $x, $y, $check, $done) = @_;
		2674
		2675	# do generation counting so two concurrent goto's will be executed in-order
		2676	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2677
1845	$self->enter_link;	2678	$self->enter_link;
1846		2679
1847	(async {	2680	(async {
		2681	$Coro::current->{desc} = "player::goto $path $x $y";
		2682
		2683	# *tag paths override both path and x|y
		2684	if ($path =~ /^\*(.*)$/) {
		2685	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2686	my $ob = $obs[rand @obs];
		2687
		2688	# see if we actually can go there
		2689	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2690	$ob = $obs[rand @obs];
		2691	} else {
		2692	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2693	}
		2694	# else put us there anyways for now #d#
		2695
		2696	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2697	} else {
		2698	($path, $x, $y) = (undef, undef, undef);
		2699	}
		2700	}
		2701
1848	my $map = eval {	2702	my $map = eval {
1849	my $map = cf::map::find $path;	2703	my $map = defined $path ? cf::map::find $path : undef;
		2704
		2705	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2706	$map = $map->customise_for ($self);
		2707	$map = $check->($map) if $check && $map;
		2708	} else {
		2709	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2710	}
		2711
1851	$map	2712	$map
		2713	};
		2714
		2715	if ($@) {
		2716	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2718	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2719
		2720	if ($gen == $self->{_goto_generation}) {
		2721	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2722	$self->leave_link ($map, $x, $y);
		2723	}
		2724
		2725	$done->() if $done;
1856	})->prio (1);	2726	})->prio (1);
1857	}	2727	}
1858		2728
1859	=item $player_object->enter_exit ($exit_object)	2729	=item $player_object->enter_exit ($exit_object)
1860		2730
…		…
1880	}	2750	}
1881		2751
1882	sub prepare_random_map {	2752	sub prepare_random_map {
1883	my ($exit) = @_;	2753	my ($exit) = @_;
1884		2754
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2755	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2756	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2757	# that depends on the exit object
1890		2758
1891	my $rmp = parse_random_map_params $exit->msg;	2759	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2761	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2762	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2763	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2764	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2765	$rmp->{origin_y} = $exit->y;
		2766
		2767	$exit->map->touch;
1898	}	2768	}
1899		2769
1900	$rmp->{random_seed} ||= $exit->random_seed;	2770	$rmp->{random_seed} ||= $exit->random_seed;
1901		2771
1902	my $data = cf::to_json $rmp;	2772	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2773	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2774	my $meta = "$RANDOMDIR/$md5.meta";
1905		2775
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2776	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2777	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2778	undef $fh;
1909	aio_rename "$meta~", $meta;	2779	aio_rename "$meta~", $meta;
1910		2780
		2781	my $slaying = "?random/$md5";
		2782
		2783	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2784	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2785	$exit->msg (undef);
		2786	}
1913	}	2787	}
1914	}	2788	}
1915		2789
1916	sub cf::object::player::enter_exit {	2790	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2791	my ($self, $exit) = @_;
1918		2792
1919	return unless $self->type == cf::PLAYER;	2793	return unless $self->type == cf::PLAYER;
1920		2794
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2795	$self->enter_link;
1931		2796
1932	(async {	2797	(async {
1933	$self->deactivate_recursive; # just to be sure	2798	$Coro::current->{desc} = "enter_exit";
		2799
1934	unless (eval {	2800	unless (eval {
		2801	$self->deactivate_recursive; # just to be sure
		2802
		2803	# random map handling
		2804	{
		2805	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2806
		2807	prepare_random_map $exit
		2808	if $exit->slaying eq "/!";
		2809	}
		2810
		2811	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2812	my $x = $exit->stats->hp;
		2813	my $y = $exit->stats->sp;
		2814
1935	$self->goto ($slaying, $hp, $sp);	2815	$self->goto ($map, $x, $y);
1936		2816
		2817	# if exit is damned, update players death & WoR home-position
		2818	$self->contr->savebed ($map, $x, $y)
		2819	if $exit->flag (cf::FLAG_DAMNED);
		2820
1937	1;	2821	1
1938	}) {	2822	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2823	$self->message ("Something went wrong deep within the deliantra server. "
1940	. "I'll try to bring you back to the map you were before. "	2824	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2825	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2826	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2827
1944	warn "ERROR in enter_exit: $@";	2828	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2829	$self->leave_link;
1946	}	2830	}
1947	})->prio (1);	2831	})->prio (1);
…		…
1960		2844
1961	sub cf::client::send_drawinfo {	2845	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2846	my ($self, $text, $flags) = @_;
1963		2847
1964	utf8::encode $text;	2848	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2849	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2850	}
1967		2851
		2852	=item $client->send_big_packet ($pkt)
		2853
		2854	Like C<send_packet>, but tries to compress large packets, and fragments
		2855	them as required.
		2856
		2857	=cut
		2858
		2859	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2860
		2861	sub cf::client::send_big_packet {
		2862	my ($self, $pkt) = @_;
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2878
		2879	Send a drawinfo or msg packet to the client, formatting the msg for the
		2880	client if neccessary. C<$type> should be a string identifying the type of
		2881	the message, with C<log> being the default. If C<$color> is negative, suppress
		2882	the message unless the client supports the msg packet.
		2883
		2884	=cut
		2885
		2886	# non-persistent channels (usually the info channel)
		2887	our %CHANNEL = (
		2888	"c/motd" => {
		2889	id => "infobox",
		2890	title => "MOTD",
		2891	reply => undef,
		2892	tooltip => "The message of the day",
		2893	},
		2894	"c/identify" => {
		2895	id => "infobox",
		2896	title => "Identify",
		2897	reply => undef,
		2898	tooltip => "Items recently identified",
		2899	},
		2900	"c/examine" => {
		2901	id => "infobox",
		2902	title => "Examine",
		2903	reply => undef,
		2904	tooltip => "Signs and other items you examined",
		2905	},
		2906	"c/shopinfo" => {
		2907	id => "infobox",
		2908	title => "Shop Info",
		2909	reply => undef,
		2910	tooltip => "What your bargaining skill tells you about the shop",
		2911	},
		2912	"c/book" => {
		2913	id => "infobox",
		2914	title => "Book",
		2915	reply => undef,
		2916	tooltip => "The contents of a note or book",
		2917	},
		2918	"c/lookat" => {
		2919	id => "infobox",
		2920	title => "Look",
		2921	reply => undef,
		2922	tooltip => "What you saw there",
		2923	},
		2924	"c/who" => {
		2925	id => "infobox",
		2926	title => "Players",
		2927	reply => undef,
		2928	tooltip => "Shows players who are currently online",
		2929	},
		2930	"c/body" => {
		2931	id => "infobox",
		2932	title => "Body Parts",
		2933	reply => undef,
		2934	tooltip => "Shows which body parts you posess and are available",
		2935	},
		2936	"c/statistics" => {
		2937	id => "infobox",
		2938	title => "Statistics",
		2939	reply => undef,
		2940	tooltip => "Shows your primary statistics",
		2941	},
		2942	"c/skills" => {
		2943	id => "infobox",
		2944	title => "Skills",
		2945	reply => undef,
		2946	tooltip => "Shows your experience per skill and item power",
		2947	},
		2948	"c/shopitems" => {
		2949	id => "infobox",
		2950	title => "Shop Items",
		2951	reply => undef,
		2952	tooltip => "Shows the items currently for sale in this shop",
		2953	},
		2954	"c/resistances" => {
		2955	id => "infobox",
		2956	title => "Resistances",
		2957	reply => undef,
		2958	tooltip => "Shows your resistances",
		2959	},
		2960	"c/pets" => {
		2961	id => "infobox",
		2962	title => "Pets",
		2963	reply => undef,
		2964	tooltip => "Shows information abotu your pets/a specific pet",
		2965	},
		2966	"c/perceiveself" => {
		2967	id => "infobox",
		2968	title => "Perceive Self",
		2969	reply => undef,
		2970	tooltip => "You gained detailed knowledge about yourself",
		2971	},
		2972	"c/uptime" => {
		2973	id => "infobox",
		2974	title => "Uptime",
		2975	reply => undef,
		2976	tooltip => "How long the server has been running since last restart",
		2977	},
		2978	"c/mapinfo" => {
		2979	id => "infobox",
		2980	title => "Map Info",
		2981	reply => undef,
		2982	tooltip => "Information related to the maps",
		2983	},
		2984	"c/party" => {
		2985	id => "party",
		2986	title => "Party",
		2987	reply => "gsay ",
		2988	tooltip => "Messages and chat related to your party",
		2989	},
		2990	"c/death" => {
		2991	id => "death",
		2992	title => "Death",
		2993	reply => undef,
		2994	tooltip => "Reason for and more info about your most recent death",
		2995	},
		2996	"c/say" => $SAY_CHANNEL,
		2997	"c/chat" => $CHAT_CHANNEL,
		2998	);
		2999
		3000	sub cf::client::send_msg {
		3001	my ($self, $channel, $msg, $color, @extra) = @_;
		3002
		3003	$msg = $self->pl->expand_cfpod ($msg)
		3004	unless $color & cf::NDI_VERBATIM;
		3005
		3006	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3007
		3008	# check predefined channels, for the benefit of C
		3009	if ($CHANNEL{$channel}) {
		3010	$channel = $CHANNEL{$channel};
		3011
		3012	$self->ext_msg (channel_info => $channel);
		3013	$channel = $channel->{id};
		3014
		3015	} elsif (ref $channel) {
		3016	# send meta info to client, if not yet sent
		3017	unless (exists $self->{channel}{$channel->{id}}) {
		3018	$self->{channel}{$channel->{id}} = $channel;
		3019	$self->ext_msg (channel_info => $channel);
		3020	}
		3021
		3022	$channel = $channel->{id};
		3023	}
		3024
		3025	return unless @extra || length $msg;
		3026
		3027	# default colour, mask it out
		3028	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3029	if $color & cf::NDI_DEF;
		3030
		3031	my $pkt = "msg "
		3032	. $self->{json_coder}->encode (
		3033	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3034	);
		3035
		3036	$self->send_big_packet ($pkt);
		3037	}
		3038
		3039	=item $client->ext_msg ($type, @msg)
		3040
		3041	Sends an ext event to the client.
		3042
		3043	=cut
		3044
		3045	sub cf::client::ext_msg($$@) {
		3046	my ($self, $type, @msg) = @_;
		3047
		3048	if ($self->extcmd == 2) {
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3050	} elsif ($self->extcmd == 1) { # TODO: remove
		3051	push @msg, msgtype => "event_$type";
		3052	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3053	}
		3054	}
		3055
		3056	=item $client->ext_reply ($msgid, @msg)
		3057
		3058	Sends an ext reply to the client.
		3059
		3060	=cut
		3061
		3062	sub cf::client::ext_reply($$@) {
		3063	my ($self, $id, @msg) = @_;
		3064
		3065	if ($self->extcmd == 2) {
		3066	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3067	} elsif ($self->extcmd == 1) {
		3068	#TODO: version 1, remove
		3069	unshift @msg, msgtype => "reply", msgid => $id;
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3071	}
		3072	}
1968		3073
1969	=item $success = $client->query ($flags, "text", \&cb)	3074	=item $success = $client->query ($flags, "text", \&cb)
1970		3075
1971	Queues a query to the client, calling the given callback with	3076	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3077	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3078	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		3079
1975	Queries can fail, so check the return code. Or don't, as queries will become	3080	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	3081	become reliable at some point in the future.
1977		3082
1978	=cut	3083	=cut
1979		3084
1980	sub cf::client::query {	3085	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	3086	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	3094	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3095	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		3096
1992	$self->send_packet ($self->{query_queue}[0][0])	3097	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	3098	if @{ $self->{query_queue} } == 1;
		3099
		3100	1
1994	}	3101	}
1995		3102
1996	cf::client->attach (	3103	cf::client->attach (
		3104	on_connect => sub {
		3105	my ($ns) = @_;
		3106
		3107	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3108	},
1997	on_reply => sub {	3109	on_reply => sub {
1998	my ($ns, $msg) = @_;	3110	my ($ns, $msg) = @_;
1999		3111
2000	# this weird shuffling is so that direct followup queries	3112	# this weird shuffling is so that direct followup queries
2001	# get handled first	3113	# get handled first
2002	my $queue = delete $ns->{query_queue}	3114	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	3115	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		3116
2005	(shift @$queue)->[1]->($msg);	3117	(shift @$queue)->[1]->($msg);
		3118	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		3119
2007	push @{ $ns->{query_queue} }, @$queue;	3120	push @{ $ns->{query_queue} }, @$queue;
2008		3121
2009	if (@{ $ns->{query_queue} } == @$queue) {	3122	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	3123	if (@$queue) {
…		…
2012	} else {	3125	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3126	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	3127	}
2015	}	3128	}
2016	},	3129	},
		3130	on_exticmd => sub {
		3131	my ($ns, $buf) = @_;
		3132
		3133	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3134
		3135	if (ref $msg) {
		3136	my ($type, $reply, @payload) =
		3137	"ARRAY" eq ref $msg
		3138	? @$msg
		3139	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3140
		3141	my @reply;
		3142
		3143	if (my $cb = $EXTICMD{$type}) {
		3144	@reply = $cb->($ns, @payload);
		3145	}
		3146
		3147	$ns->ext_reply ($reply, @reply)
		3148	if $reply;
		3149
		3150	} else {
		3151	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3152	}
		3153
		3154	cf::override;
		3155	},
2017	);	3156	);
2018		3157
2019	=item $client->async (\&cb)	3158	=item $client->async (\&cb)
2020		3159
2021	Create a new coroutine, running the specified callback. The coroutine will	3160	Create a new coroutine, running the specified callback. The coroutine will
…		…
2037		3176
2038	$coro	3177	$coro
2039	}	3178	}
2040		3179
2041	cf::client->attach (	3180	cf::client->attach (
2042	on_destroy => sub {	3181	on_client_destroy => sub {
2043	my ($ns) = @_;	3182	my ($ns) = @_;
2044		3183
2045	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3184	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2046	},	3185	},
2047	);	3186	);
…		…
2062	our $safe = new Safe "safe";	3201	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3202	our $safe_hole = new Safe::Hole;
2064		3203
2065	$SIG{FPE} = 'IGNORE';	3204	$SIG{FPE} = 'IGNORE';
2066		3205
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3206	$safe->permit_only (Opcode::opset qw(
		3207	:base_core :base_mem :base_orig :base_math :base_loop
		3208	grepstart grepwhile mapstart mapwhile
		3209	sort time
		3210	));
2068		3211
2069	# here we export the classes and methods available to script code	3212	# here we export the classes and methods available to script code
2070		3213
2071	=pod	3214	=pod
2072		3215
2073	The following fucntions and emthods are available within a safe environment:	3216	The following functions and methods are available within a safe environment:
2074		3217
2075	cf::object contr pay_amount pay_player map	3218	cf::object
		3219	contr pay_amount pay_player map x y force_find force_add destroy
		3220	insert remove name archname title slaying race decrease split
		3221	value
		3222
2076	cf::object::player player	3223	cf::object::player
2077	cf::player peaceful	3224	player
2078	cf::map trigger	3225
		3226	cf::player
		3227	peaceful
		3228
		3229	cf::map
		3230	trigger
2079		3231
2080	=cut	3232	=cut
2081		3233
2082	for (	3234	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3235	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3236	insert remove inv nrof name archname title slaying race
		3237	decrease split destroy change_exp value msg lore send_msg)],
2084	["cf::object::player" => qw(player)],	3238	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3239	["cf::player" => qw(peaceful send_msg)],
2086	["cf::map" => qw(trigger)],	3240	["cf::map" => qw(trigger)],
2087	) {	3241	) {
2088	no strict 'refs';	3242	no strict 'refs';
2089	my ($pkg, @funs) = @$_;	3243	my ($pkg, @funs) = @$_;
2090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3244	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2108		3262
2109	my $qcode = $code;	3263	my $qcode = $code;
2110	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3264	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2111	$qcode =~ s/\n/\\n/g;	3265	$qcode =~ s/\n/\\n/g;
2112		3266
		3267	%vars = (_dummy => 0) unless %vars;
		3268
		3269	my @res;
2113	local $_;	3270	local $_;
2114	local @safe::cf::_safe_eval_args = values %vars;
2115		3271
2116	my $eval =	3272	my $eval =
2117	"do {\n"	3273	"do {\n"
2118	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3274	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2119	. "#line 0 \"{$qcode}\"\n"	3275	. "#line 0 \"{$qcode}\"\n"
2120	. $code	3276	. $code
2121	. "\n}"	3277	. "\n}"
2122	;	3278	;
2123		3279
		3280	if ($CFG{safe_eval}) {
2124	sub_generation_inc;	3281	sub_generation_inc;
		3282	local @safe::cf::_safe_eval_args = values %vars;
2125	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3283	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2126	sub_generation_inc;	3284	sub_generation_inc;
		3285	} else {
		3286	local @cf::_safe_eval_args = values %vars;
		3287	@res = wantarray ? eval eval : scalar eval $eval;
		3288	}
2127		3289
2128	if ($@) {	3290	if ($@) {
2129	warn "$@";	3291	warn "$@";
2130	warn "while executing safe code '$code'\n";	3292	warn "while executing safe code '$code'\n";
2131	warn "with arguments " . (join " ", %vars) . "\n";	3293	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2150	=cut	3312	=cut
2151		3313
2152	sub register_script_function {	3314	sub register_script_function {
2153	my ($fun, $cb) = @_;	3315	my ($fun, $cb) = @_;
2154		3316
2155	no strict 'refs';	3317	$fun = "safe::$fun" if $CFG{safe_eval};
2156	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3318	*$fun = $safe_hole->wrap ($cb);
2157	}	3319	}
2158		3320
2159	=back	3321	=back
2160		3322
2161	=cut	3323	=cut
2162		3324
2163	#############################################################################	3325	#############################################################################
		3326	# the server's init and main functions
2164		3327
2165	=head2 EXTENSION DATABASE SUPPORT	3328	sub load_facedata($) {
		3329	my ($path) = @_;
2166		3330
2167	Crossfire maintains a very simple database for extension use. It can	3331	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3332	# for this (global event?)
2169	excludes objects.	3333	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3334
2171	The parameter C<$family> should best start with the name of the extension	3335	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3336
2174	=over 4	3337	warn "loading facedata from $path\n";
2175		3338
2176	=item $hashref = cf::db_get $family	3339	my $facedata;
		3340	0 < aio_load $path, $facedata
		3341	or die "$path: $!";
2177		3342
2178	Return a hashref for use by the extension C<$family>, which can be	3343	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3344
2182	=item $value = cf::db_get $family => $key	3345	$facedata->{version} == 2
		3346	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3347
2184	Returns a single value from the database	3348	# patch in the exptable
2185		3349	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2186	=item cf::db_put $family => $hashref	3350	$facedata->{resource}{"res/exp_table"} = {
2187		3351	type => FT_RSRC,
2188	Stores the given family hashref into the database. Updates are delayed, if	3352	data => $exp_table,
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3353	hash => (Digest::MD5::md5 $exp_table),
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3354	};
		3355	cf::cede_to_tick;
2214		3356
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3357	{
		3358	my $faces = $facedata->{faceinfo};
2226		3359
2227	my $dirty;	3360	while (my ($face, $info) = each %$faces) {
		3361	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3362
2229	sub db_sync() {	3363	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3364	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3365	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2232	}	3366	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2233		3367
2234	my $idle = Event->idle (	3368	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3369	}
2268	);
2269	}
2270		3370
2271	#############################################################################	3371	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3372	next unless $info->{smooth};
2273		3373
2274	sub cfg_load {	3374	my $idx = cf::face::find $face
		3375	or next;
		3376
		3377	if (my $smooth = cf::face::find $info->{smooth}) {
		3378	cf::face::set_smooth $idx, $smooth;
		3379	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3380	} else {
		3381	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3382	}
		3383
		3384	cf::cede_to_tick;
		3385	}
		3386	}
		3387
		3388	{
		3389	my $anims = $facedata->{animinfo};
		3390
		3391	while (my ($anim, $info) = each %$anims) {
		3392	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3393	cf::cede_to_tick;
		3394	}
		3395
		3396	cf::anim::invalidate_all; # d'oh
		3397	}
		3398
		3399	{
		3400	my $res = $facedata->{resource};
		3401
		3402	while (my ($name, $info) = each %$res) {
		3403	if (defined $info->{type}) {
		3404	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3405
		3406	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3407	cf::face::set_type $idx, $info->{type};
		3408	} else {
		3409	$RESOURCE{$name} = $info;
		3410	}
		3411
		3412	cf::cede_to_tick;
		3413	}
		3414	}
		3415
		3416	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3417
		3418	1
		3419	}
		3420
		3421	cf::global->attach (on_resource_update => sub {
		3422	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3423	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3424
		3425	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3426	my $sound = $soundconf->{compat}[$_]
		3427	or next;
		3428
		3429	my $face = cf::face::find "sound/$sound->[1]";
		3430	cf::sound::set $sound->[0] => $face;
		3431	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3432	}
		3433
		3434	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3435	my $face = cf::face::find "sound/$v";
		3436	cf::sound::set $k => $face;
		3437	}
		3438	}
		3439	});
		3440
		3441	register_exticmd fx_want => sub {
		3442	my ($ns, $want) = @_;
		3443
		3444	while (my ($k, $v) = each %$want) {
		3445	$ns->fx_want ($k, $v);
		3446	}
		3447	};
		3448
		3449	sub load_resource_file($) {
		3450	my $guard = lock_acquire "load_resource_file";
		3451
		3452	my $status = load_resource_file_ $_[0];
		3453	get_slot 0.1, 100;
		3454	cf::arch::commit_load;
		3455
		3456	$status
		3457	}
		3458
		3459	sub reload_regions {
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	load_resource_file "$MAPDIR/regions"
		3465	or die "unable to load regions file\n";
		3466
		3467	for (cf::region::list) {
		3468	$_->{match} = qr/$_->{match}/
		3469	if exists $_->{match};
		3470	}
		3471	}
		3472
		3473	sub reload_facedata {
		3474	load_facedata "$DATADIR/facedata"
		3475	or die "unable to load facedata\n";
		3476	}
		3477
		3478	sub reload_archetypes {
		3479	load_resource_file "$DATADIR/archetypes"
		3480	or die "unable to load archetypes\n";
		3481	}
		3482
		3483	sub reload_treasures {
		3484	load_resource_file "$DATADIR/treasures"
		3485	or die "unable to load treasurelists\n";
		3486	}
		3487
		3488	sub reload_resources {
		3489	warn "reloading resource files...\n";
		3490
		3491	reload_facedata;
		3492	reload_archetypes;
		3493	reload_regions;
		3494	reload_treasures;
		3495
		3496	warn "finished reloading resource files\n";
		3497	}
		3498
		3499	sub reload_config {
		3500	warn "reloading config file...\n";
		3501
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3502	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3503	or return;
2277		3504
2278	local $/;	3505	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3506	*CFG = YAML::XS::Load scalar <$fh>;
2280		3507
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3508	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2282		3509
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3510	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3511	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2288	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3515	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2289	and die "WARNING: m(un)lockall failed: $!\n";	3516	and die "WARNING: m(un)lockall failed: $!\n";
2290	};	3517	};
2291	warn $@ if $@;	3518	warn $@ if $@;
2292	}	3519	}
		3520
		3521	warn "finished reloading resource files\n";
		3522	}
		3523
		3524	sub pidfile() {
		3525	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3526	or die "$PIDFILE: $!";
		3527	flock $fh, &Fcntl::LOCK_EX
		3528	or die "$PIDFILE: flock: $!";
		3529	$fh
		3530	}
		3531
		3532	# make sure only one server instance is running at any one time
		3533	sub atomic {
		3534	my $fh = pidfile;
		3535
		3536	my $pid = <$fh>;
		3537	kill 9, $pid if $pid > 0;
		3538
		3539	seek $fh, 0, 0;
		3540	print $fh $$;
		3541	}
		3542
		3543	sub main_loop {
		3544	warn "EV::loop starting\n";
		3545	if (1) {
		3546	EV::loop;
		3547	}
		3548	warn "EV::loop returned\n";
		3549	goto &main_loop unless $REALLY_UNLOOP;
2293	}	3550	}
2294		3551
2295	sub main {	3552	sub main {
		3553	cf::init_globals; # initialise logging
		3554
		3555	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3556	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3557	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3558	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3559
		3560	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3561
2296	# we must not ever block the main coroutine	3562	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3563	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3564	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3565	(async {
2300	Event::one_event;	3566	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3567	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3568	})->prio (Coro::PRIO_MAX);
2302	};	3569	};
2303		3570
2304	cfg_load;	3571	evthread_start IO::AIO::poll_fileno;
2305	db_load;	3572
		3573	cf::sync_job {
		3574	cf::init_experience;
		3575	cf::init_anim;
		3576	cf::init_attackmess;
		3577	cf::init_dynamic;
		3578
		3579	cf::load_settings;
		3580	cf::load_materials;
		3581
		3582	reload_resources;
		3583	reload_config;
		3584	db_init;
		3585
		3586	cf::init_uuid;
		3587	cf::init_signals;
		3588	cf::init_skills;
		3589
		3590	cf::init_beforeplay;
		3591
		3592	atomic;
		3593
2306	load_extensions;	3594	load_extensions;
2307		3595
2308	$TICK_WATCHER->start;	3596	utime time, time, $RUNTIMEFILE;
2309	Event::loop;	3597
		3598	# no (long-running) fork's whatsoever before this point(!)
		3599	use POSIX ();
		3600	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3601
		3602	(pop @POST_INIT)->(0) while @POST_INIT;
		3603	};
		3604
		3605	cf::object::thawer::errors_are_fatal 0;
		3606	warn "parse errors in files are no longer fatal from this point on.\n";
		3607
		3608	main_loop;
2310	}	3609	}
2311		3610
2312	#############################################################################	3611	#############################################################################
2313	# initialisation and cleanup	3612	# initialisation and cleanup
2314		3613
2315	# install some emergency cleanup handlers	3614	# install some emergency cleanup handlers
2316	BEGIN {	3615	BEGIN {
		3616	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3617	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3618	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3619	cf::cleanup "SIG$signal";
2325	},
2326	);	3620	};
		3621	}
		3622	}
		3623
		3624	sub write_runtime_sync {
		3625	my $t0 = AE::time;
		3626
		3627	# first touch the runtime file to show we are still running:
		3628	# the fsync below can take a very very long time.
		3629
		3630	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3631
		3632	my $guard = cf::lock_acquire "write_runtime";
		3633
		3634	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3635	or return;
		3636
		3637	my $value = $cf::RUNTIME + 90 + 10;
		3638	# 10 is the runtime save interval, for a monotonic clock
		3639	# 60 allows for the watchdog to kill the server.
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	# touch it again to show we are up-to-date
		3649	aio_utime $fh, undef, undef;
		3650
		3651	close $fh
		3652	or return;
		3653
		3654	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3655	and return;
		3656
		3657	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3658
2327	}	3659	1
		3660	}
		3661
		3662	our $uuid_lock;
		3663	our $uuid_skip;
		3664
		3665	sub write_uuid_sync($) {
		3666	$uuid_skip ||= $_[0];
		3667
		3668	return if $uuid_lock;
		3669	local $uuid_lock = 1;
		3670
		3671	my $uuid = "$LOCALDIR/uuid";
		3672
		3673	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3674	or return;
		3675
		3676	my $value = uuid_seq uuid_cur;
		3677
		3678	unless ($value) {
		3679	warn "cowardly refusing to write zero uuid value!\n";
		3680	return;
		3681	}
		3682
		3683	my $value = uuid_str $value + $uuid_skip;
		3684	$uuid_skip = 0;
		3685
		3686	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3687	and return;
		3688
		3689	# always fsync - this file is important
		3690	aio_fsync $fh
		3691	and return;
		3692
		3693	close $fh
		3694	or return;
		3695
		3696	aio_rename "$uuid~", $uuid
		3697	and return;
		3698
		3699	warn "uuid file written ($value).\n";
		3700
		3701	1
		3702
		3703	}
		3704
		3705	sub write_uuid($$) {
		3706	my ($skip, $sync) = @_;
		3707
		3708	$sync ? write_uuid_sync $skip
		3709	: async { write_uuid_sync $skip };
2328	}	3710	}
2329		3711
2330	sub emergency_save() {	3712	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3713	my $freeze_guard = cf::freeze_mainloop;
2332		3714
2333	warn "enter emergency perl save\n";	3715	warn "emergency_perl_save: enter\n";
2334		3716
2335	cf::sync_job {	3717	cf::sync_job {
		3718	# this is a trade-off: we want to be very quick here, so
		3719	# save all maps without fsync, and later call a global sync
		3720	# (which in turn might be very very slow)
		3721	local $USE_FSYNC = 0;
		3722
2336	# use a peculiar iteration method to avoid tripping on perl	3723	# use a peculiar iteration method to avoid tripping on perl
2337	# refcount bugs in for. also avoids problems with players	3724	# refcount bugs in for. also avoids problems with players
2338	# and maps saved/destroyed asynchronously.	3725	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3726	warn "emergency_perl_save: begin player save\n";
2340	for my $login (keys %cf::PLAYER) {	3727	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3728	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3729	$pl->valid or next;
		3730	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3731	$pl->save;
2344	}	3732	}
2345	warn "end emergency player save\n";	3733	warn "emergency_perl_save: end player save\n";
2346		3734
2347	warn "begin emergency map save\n";	3735	warn "emergency_perl_save: begin map save\n";
2348	for my $path (keys %cf::MAP) {	3736	for my $path (keys %cf::MAP) {
2349	my $map = $cf::MAP{$path} or next;	3737	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3738	$map->valid or next;
2351	$map->save;	3739	$map->save;
2352	}	3740	}
2353	warn "end emergency map save\n";	3741	warn "emergency_perl_save: end map save\n";
		3742
		3743	warn "emergency_perl_save: begin database checkpoint\n";
		3744	BDB::db_env_txn_checkpoint $DB_ENV;
		3745	warn "emergency_perl_save: end database checkpoint\n";
		3746
		3747	warn "emergency_perl_save: begin write uuid\n";
		3748	write_uuid_sync 1;
		3749	warn "emergency_perl_save: end write uuid\n";
2354	};	3750	};
2355		3751
		3752	warn "emergency_perl_save: starting sync()\n";
		3753	IO::AIO::aio_sync sub {
		3754	warn "emergency_perl_save: finished sync()\n";
		3755	};
		3756
2356	warn "leave emergency perl save\n";	3757	warn "emergency_perl_save: leave\n";
2357	}	3758	}
2358		3759
		3760	sub post_cleanup {
		3761	my ($make_core) = @_;
		3762
		3763	warn Carp::longmess "post_cleanup backtrace"
		3764	if $make_core;
		3765
		3766	my $fh = pidfile;
		3767	unlink $PIDFILE if <$fh> == $$;
		3768	}
		3769
		3770	# a safer delete_package, copied from Symbol
		3771	sub clear_package($) {
		3772	my $pkg = shift;
		3773
		3774	# expand to full symbol table name if needed
		3775	unless ($pkg =~ /^main::.*::$/) {
		3776	$pkg = "main$pkg" if $pkg =~ /^::/;
		3777	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3778	$pkg .= '::' unless $pkg =~ /::$/;
		3779	}
		3780
		3781	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3782	my $stem_symtab = *{$stem}{HASH};
		3783
		3784	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3785	or return;
		3786
		3787	# clear all symbols
		3788	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3789	for my $name (keys %$leaf_symtab) {
		3790	_gv_clear *{"$pkg$name"};
		3791	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3792	}
		3793	}
		3794
2359	sub reload() {	3795	sub do_reload_perl() {
2360	# can/must only be called in main	3796	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3797	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3798	warn "can only reload from main coroutine";
2363	return;	3799	return;
2364	}	3800	}
2365		3801
		3802	return if $RELOAD++;
		3803
		3804	my $t1 = AE::time;
		3805
		3806	while ($RELOAD) {
2366	warn "reloading...";	3807	warn "reloading...";
2367		3808
2368	warn "cancelling server ticker";	3809	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3810
		3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3813	cf::emergency_save;
		3814	cf::write_runtime_sync; # external watchdog should not bark
2372		3815
2373	eval {	3816	warn "syncing database to disk";
		3817	BDB::db_env_txn_checkpoint $DB_ENV;
		3818
2374	# if anything goes wrong in here, we should simply crash as we already saved	3819	# if anything goes wrong in here, we should simply crash as we already saved
2375		3820
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";	3821	warn "flushing outstanding aio requests";
2385	for (;;) {	3822	while (IO::AIO::nreqs || BDB::nreqs) {
2386	IO::AIO::flush;	3823	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();
2395
2396	warn "removing commands";
2397	%COMMAND = ();
2398
2399	warn "removing ext commands";
2400	%EXTCMD = ();
2401
2402	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";
2405
2406	if (my $cb = $pkg->can ("unload")) {
2407	eval {
2408	$cb->($pkg);
2409	1
2410	} or warn "$pkg unloaded, but with errors: $@";
2411	}	3824	}
2412		3825
2413	warn "... nuking $pkg";	3826	warn "cancelling all extension coros";
2414	Symbol::delete_package $pkg;	3827	$_->cancel for values %EXT_CORO;
2415	}	3828	%EXT_CORO = ();
2416		3829
2417	warn "unloading all perl modules loaded from $LIBDIR";	3830	warn "removing commands";
2418	while (my ($k, $v) = each %INC) {	3831	%COMMAND = ();
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		3832
		3833	warn "removing ext/exti commands";
		3834	%EXTCMD = ();
		3835	%EXTICMD = ();
		3836
		3837	warn "unloading/nuking all extensions";
		3838	for my $pkg (@EXTS) {
2421	warn "... unloading $k";	3839	warn "... unloading $pkg";
2422	delete $INC{$k};
2423		3840
2424	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;
2426
2427	if (my $cb = $k->can ("unload_module")) {	3841	if (my $cb = $pkg->can ("unload")) {
		3842	eval {
2428	$cb->();	3843	$cb->($pkg);
		3844	1
		3845	} or warn "$pkg unloaded, but with errors: $@";
		3846	}
		3847
		3848	warn "... clearing $pkg";
		3849	clear_package $pkg;
2429	}	3850	}
2430		3851
2431	Symbol::delete_package $k;	3852	warn "unloading all perl modules loaded from $LIBDIR";
		3853	while (my ($k, $v) = each %INC) {
		3854	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3855
		3856	warn "... unloading $k";
		3857	delete $INC{$k};
		3858
		3859	$k =~ s/\.pm$//;
		3860	$k =~ s/\//::/g;
		3861
		3862	if (my $cb = $k->can ("unload_module")) {
		3863	$cb->();
		3864	}
		3865
		3866	clear_package $k;
2432	}	3867	}
2433		3868
2434	warn "getting rid of safe::, as good as possible";	3869	warn "getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	3870	clear_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3871	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3872
2438	warn "unloading cf.pm \"a bit\"";	3873	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3874	delete $INC{"cf.pm"};
		3875	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2440		3876
2441	# don't, removes xs symbols, too,	3877	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3878	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3879	#clear_package __PACKAGE__;
2444		3880
2445	warn "unload completed, starting to reload now";	3881	warn "unload completed, starting to reload now";
2446		3882
2447	warn "reloading cf.pm";	3883	warn "reloading cf.pm";
2448	require cf;	3884	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3885	cf::_connect_to_perl_1;
2450		3886
2451	warn "loading config and database again";	3887	warn "loading config and database again";
2452	cf::cfg_load;	3888	cf::reload_config;
2453	cf::db_load;
2454		3889
2455	warn "loading extensions";	3890	warn "loading extensions";
2456	cf::load_extensions;	3891	cf::load_extensions;
2457		3892
		3893	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	3894	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3895	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3896	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3897	reattach $_ for values %MAP;
		3898	warn "reattaching attachments to players";
		3899	reattach $_ for values %PLAYER;
		3900	}
2462		3901
2463	warn "restarting server ticker";	3902	warn "running post_init jobs";
		3903	(pop @POST_INIT)->(1) while @POST_INIT;
2464		3904
2465	$TICK_WATCHER->start;	3905	warn "leaving sync_job";
		3906
		3907	1
		3908	} or do {
		3909	warn $@;
		3910	cf::cleanup "error while reloading, exiting.";
		3911	};
		3912
		3913	warn "reloaded";
		3914	--$RELOAD;
		3915	}
		3916
		3917	$t1 = AE::time - $t1;
		3918	warn "reload completed in ${t1}s\n";
		3919	};
		3920
		3921	our $RELOAD_WATCHER; # used only during reload
		3922
		3923	sub reload_perl() {
		3924	# doing reload synchronously and two reloads happen back-to-back,
		3925	# coro crashes during coro_state_free->destroy here.
		3926
		3927	$RELOAD_WATCHER ||= cf::async {
		3928	Coro::AIO::aio_wait cache_extensions;
		3929
		3930	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3931	do_reload_perl;
		3932	undef $RELOAD_WATCHER;
		3933	};
2466	};	3934	};
2467		3935	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		3936
2479	register_command "reload" => sub {	3937	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3938	my ($who, $arg) = @_;
2481		3939
2482	if ($who->flag (FLAG_WIZ)) {	3940	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3941	$who->message ("reloading server.");
2484		3942	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	3943	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	3944	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	3945	};
2497	}	3946	}
2498	};	3947	};
2499		3948
2500	unshift @INC, $LIBDIR;	3949	unshift @INC, $LIBDIR;
2501		3950
2502	my $bug_warning = 0;	3951	my $bug_warning = 0;
2503		3952
2504	$TICK_WATCHER = Event->timer (	3953	our @WAIT_FOR_TICK;
2505	reentrant => 0,	3954	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	3955
2507	prio => 0,	3956	sub wait_for_tick {
2508	at => $NEXT_TICK || $TICK,	3957	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2509	data => WF_AUTOCANCEL,	3958
2510	cb => sub {	3959	my $signal = new Coro::Signal;
		3960	push @WAIT_FOR_TICK, $signal;
		3961	$signal->wait;
		3962	}
		3963
		3964	sub wait_for_tick_begin {
		3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3966
		3967	my $signal = new Coro::Signal;
		3968	push @WAIT_FOR_TICK_BEGIN, $signal;
		3969	$signal->wait;
		3970	}
		3971
		3972	sub tick {
2511	if ($Coro::current != $Coro::main) {	3973	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3974	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3975	unless ++$bug_warning > 10;
2514	return;	3976	return;
2515	}	3977	}
2516		3978
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	3979	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		3980
2523	$WAIT_FOR_TICK->broadcast;	3981	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525		3982
2526	Event::sweep;	3983	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	Coro::cede_notself;	3984	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2528		3985	Coro::async_pool {
2529	# my $AFTER = Event::time;	3986	$Coro::current->{desc} = "runtime saver";
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},
2538	);
2539
2540	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551
2552	$WRITE_RUNTIME_WATCHER = Event->timer (
2553	reentrant => 0,
2554	data => WF_AUTOCANCEL,
2555	after => 1,
2556	interval => 10,
2557	prio => 6, # keep it lowest so it acts like a watchdog
2558	cb => Coro::unblock_sub {
2559	write_runtime	3987	write_runtime_sync
2560	or warn "ERROR: unable to write runtime file: $!";	3988	or warn "ERROR: unable to write runtime file: $!";
		3989	};
2561	},	3990	}
2562	);	3991
		3992	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3993	$sig->send;
		3994	}
		3995	while (my $sig = shift @WAIT_FOR_TICK) {
		3996	$sig->send;
		3997	}
		3998
		3999	$LOAD = ($NOW - $TICK_START) / $TICK;
		4000	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4001
		4002	if (0) {
		4003	if ($NEXT_TICK) {
		4004	my $jitter = $TICK_START - $NEXT_TICK;
		4005	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4006	warn "jitter $JITTER\n";#d#
		4007	}
		4008	}
		4009	}
		4010
		4011	{
		4012	# configure BDB
		4013
		4014	BDB::min_parallel 16;
		4015	BDB::max_poll_reqs $TICK * 0.1;
		4016	$AnyEvent::BDB::WATCHER->priority (1);
		4017
		4018	unless ($DB_ENV) {
		4019	$DB_ENV = BDB::db_env_create;
		4020	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4021	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4022	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4023	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4024	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4025
		4026	cf::sync_job {
		4027	eval {
		4028	BDB::db_env_open
		4029	$DB_ENV,
		4030	$BDBDIR,
		4031	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4032	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4033	0666;
		4034
		4035	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4036	};
		4037
		4038	cf::cleanup "db_env_open(db): $@" if $@;
		4039	};
		4040	}
		4041
		4042	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4043	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4044	};
		4045	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4046	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4047	};
		4048	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4049	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4050	};
		4051	}
		4052
		4053	{
		4054	# configure IO::AIO
		4055
		4056	IO::AIO::min_parallel 8;
		4057	IO::AIO::max_poll_time $TICK * 0.1;
		4058	undef $AnyEvent::AIO::WATCHER;
		4059	}
		4060
		4061	my $_log_backtrace;
		4062
		4063	sub _log_backtrace {
		4064	my ($msg, @addr) = @_;
		4065
		4066	$msg =~ s/\n//;
		4067
		4068	# limit the # of concurrent backtraces
		4069	if ($_log_backtrace < 2) {
		4070	++$_log_backtrace;
		4071	my $perl_bt = Carp::longmess $msg;
		4072	async {
		4073	$Coro::current->{desc} = "abt $msg";
		4074
		4075	my @bt = fork_call {
		4076	@addr = map { sprintf "%x", $_ } @addr;
		4077	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4078	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4079	or die "addr2line: $!";
		4080
		4081	my @funcs;
		4082	my @res = <$fh>;
		4083	chomp for @res;
		4084	while (@res) {
		4085	my ($func, $line) = splice @res, 0, 2, ();
		4086	push @funcs, "[$func] $line";
		4087	}
		4088
		4089	@funcs
		4090	};
		4091
		4092	LOG llevInfo, "[ABT] $perl_bt\n";
		4093	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4094	LOG llevInfo, "[ABT] $_\n" for @bt;
		4095	--$_log_backtrace;
		4096	};
		4097	} else {
		4098	LOG llevInfo, "[ABT] $msg\n";
		4099	LOG llevInfo, "[ABT] [suppressed]\n";
		4100	}
		4101	}
		4102
		4103	# load additional modules
		4104	require "cf/$_.pm" for @EXTRA_MODULES;
		4105	cf::_connect_to_perl_2;
2563		4106
2564	END { cf::emergency_save }	4107	END { cf::emergency_save }
2565		4108
2566	1	4109	1
2567		4110

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