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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.534 by root, Thu Apr 29 08:13:51 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; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	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		140
67	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
87		170
88	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
89		187
90	#############################################################################	188	#############################################################################
91		189
92	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
93		191
…		…
100	=item $cf::RUNTIME	198	=item $cf::RUNTIME
101		199
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	201	every server tick.
104		202
105	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		206
107	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
109		211
110	=item $cf::NOW	212	=item $cf::NOW
111		213
112	The time of the last (current) server tick.	214	The time of the last (current) server tick.
113		215
114	=item $cf::TICK	216	=item $cf::TICK
115		217
116	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
117		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
118	=item %cf::CFG	230	=item %cf::CFG
119		231
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	233	from wherever your confdir points to.
122		234
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		236
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	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	238	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	239	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.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
129		252
130	=back	253	=back
131		254
132	=cut	255	=cut
133		256
134	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
135	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
136	my $msg = join "", @_;	264	my $msg = join "", @_;
137	utf8::encode $msg;
138		265
139	$msg .= "\n"	266	$msg .= "\n"
140	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
141		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
142	LOG llevError, $msg;	271	LOG llevWarn, $msg;
143	};	272	};
144	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
145		287
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		295
153	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	297	# within the Safe compartment.
155	for my $pkg (qw(	298	for my $pkg (qw(
156	cf::global cf::attachable	299	cf::global cf::attachable
157	cf::object cf::object::player	300	cf::object cf::object::player
158	cf::client cf::player	301	cf::client cf::player
159	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
160	cf::map cf::party cf::region	304	cf::party cf::region
161	)) {	305	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	307	}
165		308
166	$Event::DIED = sub {	309	$EV::DIED = sub {
167	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
168	};	311	};
		312
		313	#############################################################################
169		314
170	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
171		316
172	=over 4	317	=over 4
173		318
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	338	$d
194	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
195	}	340	}
196		341
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
200		343
201	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
202		345
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
211		347
212	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
213		349
214	=cut	350	=cut
215		351
216	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
218	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
219	}	369	}
220		370
221	=item cf::lock_wait $string	371	=item cf::lock_wait $string
222		372
223	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
224		374
225	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
226		376
227	Wait until the given lock is available and then acquires it and returns	377	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,	378	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	379	for example when the coroutine gets canceled), the lock is automatically
230	returned.	380	returned.
231		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
232	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
234		387
235	=cut	388	=item $locked = cf::lock_active $string
236		389
237	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
238		395
239	sub lock_wait($) {	396	sub lock_wait($) {
240	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	398	}
248		399
249	sub lock_acquire($) {	400	sub lock_acquire($) {
250	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
251		403
252	# wait, to be sure we are not locked	404	sub lock_active($) {
253	lock_wait $key;	405	$LOCKS->count ($_[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	}	406	}
262		407
263	sub freeze_mainloop {	408	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
265		410
266	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	412	}
268	$WRITE_RUNTIME_WATCHER->start;	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
269	};	478	}
270	$WRITE_RUNTIME_WATCHER->stop;	479	};
271	$TICK_WATCHER->stop;	480
272	$guard	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
273	}	494	}
274		495
275	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
276		497
277	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		503
283	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
284		505
285	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
286		507
287	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
290		512
291	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
294	fast or be very important.	516	fast or be very important.
…		…
296	=cut	518	=cut
297		519
298	sub sync_job(&) {	520	sub sync_job(&) {
299	my ($job) = @_;	521	my ($job) = @_;
300		522
301	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
302	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
304		528
305	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	530
307	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
308		532
309	my $busy = 1;	533	my $busy = 1;
310	my @res;	534	my @res;
311		535
312	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	538	@res = eval { $job->() };
314	warn $@ if $@;	539	error $@ if $@;
315	undef $busy;	540	undef $busy;
316	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
317		542
318	while ($busy) {	543	while ($busy) {
319	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
320	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
321		554
322	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
323	} else {	556	} else {
324	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
325		558
…		…
345	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
346		579
347	$coro	580	$coro
348	}	581	}
349		582
350	sub write_runtime {	583	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		584
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
354	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
355		589
356	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		591
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
361	and return;	593	my ($cb, @args) = @_;
362		594
363	aio_fsync $fh	595	# we seemingly have to make a local copy of the whole thing,
364	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
365		598
366	close $fh	599	my @res = Coro::Util::fork_eval {
367	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
368		603
369	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
370	and return;	605	}
371		606
		607	sub objinfo {
372	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	783	}
374		784
375	=back	785	=back
376		786
377	=cut	787	=cut
378		788
379	#############################################################################	789	#############################################################################
380		790
381	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
382		792
383	Many objects in crossfire are so-called attachable objects. That means you can	793	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")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
386		796
387	In the following description, CLASS can be any of C<global>, C<object>	797	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	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	799	Deliantra).
390		800
391	=over 4	801	=over 4
392		802
393	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
394		804
…		…
438	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
439		849
440	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
442		852
443	Some classes such as crossfire maps and objects can specify attachments	853	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.	854	that are attached at load/instantiate time, thus the need for a name.
445		855
446	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
447		857
448	=over 4	858	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
558		968
559	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		973
564	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	975	my $pkg = shift @arg;
566		976
567	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
572		982
573	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		985
576	} elsif (ref $type) {	986	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
578		988
579	} else {	989	} else {
580	shift @arg;	990	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
582	}	992	}
583	}	993	}
584	}	994	}
585		995
586	sub _object_attach {	996	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
597	}	1007	}
598		1008
599	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
600	} else {	1010	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1012	}
603		1013
604	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
605	}	1015	}
606		1016
…		…
608	if (ref $_[0]) {	1018	if (ref $_[0]) {
609	_object_attach @_;	1019	_object_attach @_;
610	} else {	1020	} else {
611	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
612	}	1022	}
		1023	_recalc_want;
613	};	1024	};
614		1025
615	# all those should be optimised	1026	# all those should be optimised
616	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1032	reattach ($obj);
622	} else {	1033	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
624	}	1035	}
		1036	_recalc_want;
625	};	1037	};
626		1038
627	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
629		1041
…		…
644	";	1056	";
645	die if $@;	1057	die if $@;
646	}	1058	}
647		1059
648	our $override;	1060	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1062
651	sub override {	1063	sub override {
652	$override = 1;	1064	$override = 1;
653	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
654	}	1066	}
655		1067
656	sub do_invoke {	1068	sub do_invoke {
657	my $event = shift;	1069	my $event = shift;
658	my $callbacks = shift;	1070	my $callbacks = shift;
659		1071
660	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
661		1073
662	local $override;	1074	local $override;
663		1075
664	for (@$callbacks) {	1076	for (@$callbacks) {
665	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
666		1078
667	if ($@) {	1079	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1081	override;
671	}	1082	}
672		1083
673	return 1 if $override;	1084	return 1 if $override;
674	}	1085	}
675		1086
676	0	1087	0
677	}	1088	}
678		1089
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1091
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1093
683	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
684		1095
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	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	1097	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1099
689	=back	1100	=back
690		1101
691	=cut	1102	=cut
692		1103
693	#############################################################################	1104	#############################################################################
694	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
695		1148
696	sub reattach {	1149	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1151	my ($obj) = @_;
699		1152
		1153	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1155
702	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
703		1157
704	@$registry = ();	1158	@$registry = ();
705		1159
…		…
710	for (@$attach) {	1164	for (@$attach) {
711	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
713	}	1167	}
714	} else {	1168	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1170	}
717	}	1171	}
718	}	1172	}
719		1173
720	cf::attachable->attach (	1174	cf::attachable->attach (
721	prio => -1000000,	1175	prio => -1000000,
722	on_instantiate => sub {	1176	on_instantiate => sub {
723	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
724		1178
725	$data = from_json $data;	1179	$data = decode_json $data;
726		1180
727	for (@$data) {	1181	for (@$data) {
728	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
729		1183
730	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1200	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
748		1202
749	sync_job {	1203	sync_job {
750	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
753		1209
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	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;	1215	aio_fsync $fh;
		1216	}
758	close $fh;	1217	aio_close $fh;
759		1218
760	if (@$objs) {	1219	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
		1224	if ($cf::USE_FSYNC) {
		1225	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;	1226	aio_fsync $fh;
		1227	}
766	close $fh;	1228	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
768	}	1230	}
769	} else {	1231	} else {
770	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
771	}	1233	}
772		1234
773	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1239	} else {
775	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
776	}	1241	}
777	} else {	1242	} else {
778	aio_unlink $filename;	1243	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
780	}	1245	}
781	}	1246	};
782	}	1247	}
783		1248
784	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
786		1251
…		…
798	or return;	1263	or return;
799		1264
800	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
802	or return;	1267	or return;
		1268
803	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
804	}	1271	}
805		1272
		1273	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
808	return ($data, $av);	1278	($data, $av)
809	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
810		1286
811	#############################################################################	1287	#############################################################################
812	# command handling &c	1288	# command handling &c
813		1289
814	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1304	}
829		1305
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1307
832	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
833		1313
834	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
835	called.	1315	called.
836		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
837	=cut	1328	=cut
838		1329
839	sub register_extcmd {	1330	sub register_extcmd {
840	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
841		1332
842	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
843	}	1334	}
844		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
845	cf::player->attach (	1344	cf::player->attach (
846	on_command => sub {	1345	on_unknown_command => sub {
847	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
848		1347
849	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
850	or return;	1349	or return;
851		1350
…		…
856	cf::override;	1355	cf::override;
857	},	1356	},
858	on_extcmd => sub {	1357	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
860		1359
861	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1361
863	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
869	} else {	1377	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1379	}
872		1380
873	cf::override;	1381	cf::override;
874	},	1382	},
875	);	1383	);
876		1384
		1385	# "readahead" all extensions
877	sub load_extension {	1386	sub cache_extensions {
878	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
879		1388
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
881	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
882	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}	1392	}
905	die $@;
906	}	1393	};
907		1394
908	push @EXTS, $pkg;	1395	$grp
909	}	1396	}
910		1397
911	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
912	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1405	next unless -r $path;
914	eval {	1406
915	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
916	1	1470	}
917	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
918	}	1481	};
919	}	1482	}
920		1483
921	#############################################################################	1484	#############################################################################
922		1485
		1486	=back
		1487
923	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
924		1489
925	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
926		1491
927	=cut	1492	=cut
928		1493
929	package cf::player;	1494	package cf::player;
930		1495
…		…
932		1497
933	=head3 cf::player	1498	=head3 cf::player
934		1499
935	=over 4	1500	=over 4
936		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
937	=item cf::player::find $login	1516	=item cf::player::find $login
938		1517
939	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
940		1519
941	=cut	1520	=cut
942		1521
943	sub playerdir($) {	1522	sub playerdir($) {
944	cf::localdir	1523	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1525	}
950		1526
951	sub path($) {	1527	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1529
954	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
955	}	1531	}
956		1532
957	sub find_active($) {	1533	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
962		1538
963	sub exists($) {	1539	sub exists($) {
964	my ($login) = @_;	1540	my ($login) = @_;
965		1541
966	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
967	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
968	}	1544	}
969		1545
970	sub find($) {	1546	sub find($) {
971	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
972	my $login = $_[0];	1548	my $login = $_[0];
973		1549
974	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
975		1551
976	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
978	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
980	}	1569	}
981	}	1570	}
982	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
983		1585
984	sub save($) {	1586	sub save($) {
985	my ($pl) = @_;	1587	my ($pl) = @_;
986		1588
987	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
992	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
993		1595
994	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
996		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
997	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
998	Coro::cede;	1605	cf::cede_to_tick;
999	}	1606	}
1000		1607
1001	sub new($) {	1608	sub new($) {
1002	my ($login) = @_;	1609	my ($login) = @_;
1003		1610
…		…
1009	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1010		1617
1011	$self	1618	$self
1012	}	1619	}
1013		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1014	=item $pl->quit_character	1631	=item $pl->quit_character
1015		1632
1016	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1018		1635
1019	=cut	1636	=cut
1020		1637
1021	sub quit_character {	1638	sub quit_character {
1022	my ($pl) = @_;	1639	my ($pl) = @_;
1023		1640
		1641	my $name = $pl->ob->name;
		1642
1024	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1026		1645
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1028	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1030	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1031		1651
1032	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1656	$pl->destroy;
		1657
		1658	my $prefix = qr<^~\Q$name\E/>;
		1659
		1660	# nuke player maps
		1661	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1662
1037	IO::AIO::aio_rmtree $temp;	1663	IO::AIO::aio_rmtree $temp;
		1664	}
		1665
		1666	=item $pl->kick
		1667
		1668	Kicks a player out of the game. This destroys the connection.
		1669
		1670	=cut
		1671
		1672	sub kick {
		1673	my ($pl, $kicker) = @_;
		1674
		1675	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1676	$pl->killer ("kicked");
		1677	$pl->ns->destroy;
1038	}	1678	}
1039		1679
1040	=item cf::player::list_logins	1680	=item cf::player::list_logins
1041		1681
1042	Returns am arrayref of all valid playernames in the system, can take a	1682	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1044		1684
1045	=cut	1685	=cut
1046		1686
1047	sub list_logins {	1687	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1689	or return [];
1050		1690
1051	my @logins;	1691	my @logins;
1052		1692
1053	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1057		1703
1058	utf8::decode $login;	1704	utf8::decode $login;
1059	push @logins, $login;	1705	push @logins, $login;
1060	}	1706	}
1061		1707
1062	\@logins	1708	\@logins
1063	}	1709	}
1064		1710
1065	=item $player->maps	1711	=item $player->maps
1066		1712
		1713	=item cf::player::maps $login
		1714
1067	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1068	player. May block.	1716	player. May block.
1069		1717
1070	=cut	1718	=cut
1071		1719
1072	sub maps($) {	1720	sub maps($) {
1073	my ($pl) = @_;	1721	my ($pl) = @_;
		1722
		1723	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1724
1075	my $files = aio_readdir playerdir $pl	1725	my $files = aio_readdir playerdir $pl
1076	or return;	1726	or return;
1077		1727
1078	my @paths;	1728	my @paths;
…		…
1080	for (@$files) {	1730	for (@$files) {
1081	utf8::decode $_;	1731	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1732	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1733	next unless /^$PATH_SEP/o;
1084		1734
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1735	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1736	}
1087		1737
1088	\@paths	1738	\@paths
1089	}	1739	}
1090		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1092		1746
1093	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1094		1748
1095	=cut	1749	=cut
1096		1750
1097	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1099		1753
1100	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1755	}
1104		1756
1105	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1106		1799
1107	=back	1800	=back
1108
1109		1801
1110	=head3 cf::map	1802	=head3 cf::map
1111		1803
1112	=over 4	1804	=over 4
1113		1805
…		…
1125	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1126	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1127		1819
1128	sub generate_random_map {	1820	sub generate_random_map {
1129	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1130	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1131	$self->_create_random_map (	1826	$self->_create_random_map (
1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1135	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1136	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1137	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1138	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1160		1855
1161	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1162	}	1857	}
1163		1858
1164	# also paths starting with '/'	1859	# also paths starting with '/'
1165	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1166		1861
1167	sub thawer_merge {	1862	sub thawer_merge {
1168	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1169		1864
1170	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1171	local $self->{path};	1866	local $self->{path};
1172	local $self->{load_path};	1867	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1868
1176	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1177	}	1870	}
1178		1871
1179	sub normalise {	1872	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1227	return $self;	1920	return $self;
1228	}	1921	}
1229	}	1922	}
1230		1923
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1925	()
1233	}	1926	}
1234		1927
1235	sub init {	1928	sub init {
1236	my ($self) = @_;	1929	my ($self) = @_;
…		…
1251		1944
1252	# the original (read-only) location	1945	# the original (read-only) location
1253	sub load_path {	1946	sub load_path {
1254	my ($self) = @_;	1947	my ($self) = @_;
1255		1948
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1257	}	1950	}
1258		1951
1259	# the temporary/swap location	1952	# the temporary/swap location
1260	sub save_path {	1953	sub save_path {
1261	my ($self) = @_;	1954	my ($self) = @_;
1262		1955
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1265	}	1958	}
1266		1959
1267	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1268	sub uniq_path {	1961	sub uniq_path {
1269	my ($self) = @_;	1962	my ($self) = @_;
1270		1963
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1273	}	1966	}
1274		1967
1275	# and all this just because we cannot iterate over	1968	sub decay_objects {
1276	# all maps in C++...
1277	sub change_all_map_light {
1278	my ($change) = @_;	1969	my ($self) = @_;
1279		1970
1280	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1281	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1282	}	1974	}
1283		1975
1284	sub unlink_save {	1976	sub unlink_save {
1285	my ($self) = @_;	1977	my ($self) = @_;
1286		1978
…		…
1291		1983
1292	sub load_header_from($) {	1984	sub load_header_from($) {
1293	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1294		1986
1295	utf8::encode $path;	1987	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1297	or return;	1989	or return;
1298		1990
1299	$self->_load_header ($path)	1991	$self->_load_header ($f)
1300	or return;	1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1301		1996
1302	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1303		1998
1304	1	1999	1
1305	}	2000	}
…		…
1344	$self->load_header_orig	2039	$self->load_header_orig
1345	or return;	2040	or return;
1346	$self->prepare_orig;	2041	$self->prepare_orig;
1347	}	2042	}
1348		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
1349	1	2050	1
1350	}	2051	}
1351		2052
1352	sub find;	2053	sub find;
1353	sub find {	2054	sub find {
1354	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1355		2056
1356	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1357		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1359		2061
1360	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";
1362	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1363	or return;	2064	or return;
1364		2065
1365	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1366		2067
1367	$map->load_header	2068	$map->load_header
1368	or return;	2069	or return;
1369		2070
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1373	$map->reset;	2076	$map->reset;
1374	undef $guard;
1375	return find $path;	2077	return find $path;
1376	}	2078	}
1377		2079
1378	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1379	}	2081	}
1380	}	2082	}
1381		2083
1382	sub pre_load { }	2084	sub pre_load { }
1383	sub post_load { }	2085	#sub post_load { } # XS
1384		2086
1385	sub load {	2087	sub load {
1386	my ($self) = @_;	2088	my ($self) = @_;
1387		2089
1388	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1389		2091
1390	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1391	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1392		2096
		2097	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		2099
1395	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1396		2101
1397	$self->alloc;	2102	$self->alloc;
1398		2103
1399	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1400		2106
1401	$self->_load_objects ($self->{load_path}, 1)	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1402	or return;	2110	or return;
1403		2111
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1405	if delete $self->{load_original};	2113	if delete $self->{load_original};
1406		2114
1407	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2116	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2119	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1412	}	2123	}
1413	}	2124	}
1414		2125
1415	Coro::cede;	2126	$f->resolve_delayed_derefs;
1416		2127
		2128	cf::cede_to_tick;
1417	# now do the right thing for maps	2129	# now do the right thing for maps
1418	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2132	unless $self->difficulty;
1428	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1429	$self->activate;	2140	$self->activate;
		2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1430	}	2147	}
1431		2148
1432	$self->post_load;	2149	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2150	}
1436		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1437	sub customise_for {	2155	sub customise_for {
1438	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1439		2157
1440	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2159	if $self->per_player;
1442		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1443	$self	2164	$self
1444	}	2165	}
1445		2166
1446	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	2168	sub load_neighbours {
1448	my ($map) = @_;	2169	my ($map) = @_;
1449		2170
1450	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1451		2172
1452	for (0 .. 3) {	2173	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1454	or next;	2175	or next;
1455	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1456	or next;	2177	or next;
1457	$neigh->load;	2178	$neigh->load;
1458		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2184	}
1462		2185
1463	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1465	or next;	2189	or next;
1466	$neigh->load;	2190	$neigh->load;
1467	}	2191	}
1468	}	2192	}
1469		2193
1470	sub find_sync {	2194	sub find_sync {
1471	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1472		2196
1473	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1474	}	2201	}
1475		2202
1476	sub do_load_sync {	2203	sub do_load_sync {
1477	my ($map) = @_;	2204	my ($map) = @_;
1478		2205
1479	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1480	}	2210	}
1481		2211
1482	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1484		2214
1485	sub find_async {	2215	sub find_async {
1486	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1487		2217
1488	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1489		2219
1490	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1492	}	2222	}
1493		2223
1494	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1495	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1496	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2231	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2232	$map->load if $v;
		2233	}
1501		2234
1502	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1503	}	2236	}
1504	}	2237	}
1505	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1506	};	2239	};
1507	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1508		2241
1509	()	2242	()
1510	}	2243	}
1511		2244
		2245	# common code, used by both ->save and ->swapout
1512	sub save {	2246	sub _save {
1513	my ($self) = @_;	2247	my ($self) = @_;
1514
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
1516		2248
1517	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1518		2250
1519	return unless $self->dirty;	2251	return unless $self->dirty;
1520		2252
…		…
1526	return if $self->{deny_save};	2258	return if $self->{deny_save};
1527		2259
1528	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1529		2261
1530	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1532	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1533		2268
1534	if ($uniq) {	2269	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2272	} else {
1538	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	2274	}
1540	}	2275	}
1541		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1542	sub swap_out {	2285	sub swap_out {
1543	my ($self) = @_;	2286	my ($self) = @_;
1544		2287
1545	# save first because save cedes
1546	$self->save;
1547
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1550	return if $self->players;	2292	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};
1553		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1554	$self->clear;	2303	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2304	}
1557		2305
1558	sub reset_at {	2306	sub reset_at {
1559	my ($self) = @_;	2307	my ($self) = @_;
1560		2308
1561	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1564		2311
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2314
…		…
1578	my ($self) = @_;	2325	my ($self) = @_;
1579		2326
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2328
1582	return if $self->players;	2329	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2330
1585	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
		2332
		2333	$self->in_memory (cf::MAP_SWAPPED);
		2334
		2335	# need to save uniques path
		2336	unless ($self->{deny_save}) {
		2337	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2338
		2339	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2340	if $uniq;
		2341	}
1586		2342
1587	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1588		2344
1589	$self->in_memory (cf::MAP_SWAPPED);	2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2347	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2348
1594	$self->unlink_save;	2349	$self->unlink_save;
1595	$self->destroy;	2350	$self->destroy;
1596	}	2351	}
1597		2352
1598	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1599		2354
1600	sub nuke {	2355	sub nuke {
1601	my ($self) = @_;	2356	my ($self) = @_;
1602		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1603	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1604		2362
1605	$self->unlink_save;	2363	$self->unlink_save;
1606		2364
1607	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1608	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2370
1613	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1614		2373
1615	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1616	}	2411	}
1617		2412
1618	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1619		2414
1620	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2416	instantiated unique items. May block.
1622		2417
1623	=cut	2418	=cut
1624		2419
1625	sub unique_maps() {	2420	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1627	or return;	2422	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2423	utf8::decode $_;
1633	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1634	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1635		2426	? ()
1636	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2429	]
1638
1639	\@paths
1640	}	2430	}
1641		2431
1642	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1643		2463
1644	=back	2464	=back
1645		2465
1646	=head3 cf::object	2466	=head3 cf::object
1647		2467
…		…
1651		2471
1652	=over 4	2472	=over 4
1653		2473
1654	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1655		2475
1656	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1657		2478
1658	=cut	2479	=cut
1659		2480
1660	sub inv_recursive_;	2481	sub inv_recursive_;
1661	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1664		2485
1665	sub inv_recursive {	2486	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1667	}	2488	}
1668		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1669	package cf;	2518	package cf;
1670		2519
1671	=back	2520	=back
1672		2521
1673	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1679	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1680	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1681	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1682		2531
1683	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1684		2547
1685	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1686	# with dialog boxes.	2549	# with dialog boxes.
1687	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1688	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1690		2553
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2555
1693	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1695	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1698	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1699	}	2581	}
1700		2582
1701	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1702		2584
1703	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1716		2598
1717	=item $player_object->enter_link	2599	=item $player_object->enter_link
1718		2600
1719	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1720		2602
1721	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1722	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1723		2607
1724	Will never block.	2608	Will never block.
1725		2609
1726	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1727		2611
…		…
1747	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1748	my ($self) = @_;	2632	my ($self) = @_;
1749		2633
1750	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1751		2635
		2636	++$self->{_link_recursion};
		2637
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2639
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1756		2642
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1758	}	2644	}
1759		2645
1760	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1762		2650
1763	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1764		2652
1765	unless ($map) {	2653	unless ($map) {
1766	# restore original map position	2654	# restore original map position
…		…
1777	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1778	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1779		2667
1780	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1783		2671
1784	$map->load;	2672	$map->load;
1785	$map->load_diag;	2673	$map->load_neighbours;
1786		2674
1787	return unless $self->contr->active;	2675	return unless $self->contr->active;
		2676
		2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2678	if ($self->enter_map ($map, $x, $y)) {
		2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
1788	$self->activate_recursive;	2682	$self->activate_recursive;
1789	$self->enter_map ($map, $x, $y);
1790	}
1791
1792	cf::player->attach (
1793	on_logout => sub {
1794	my ($pl) = @_;
1795
1796	# abort map switching before logout
1797	if ($pl->ob->{_link_pos}) {
1798	cf::sync_job {
1799	$pl->ob->leave_link
1800	};
1801	}
1802	},	2683	}
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2684
1806	# try to abort aborted map switching on player login :)	2685	}
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823		2686
1824	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1825		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1826	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1827		2701
1828	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2713
1831	$self->enter_link;	2714	$self->enter_link;
1832		2715
1833	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1834	my $map = eval {	2738	my $map = eval {
1835	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1837	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2754	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1842	})->prio (1);	2762	})->prio (1);
1843	}	2763	}
1844		2764
1845	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1846		2766
…		…
1866	}	2786	}
1867		2787
1868	sub prepare_random_map {	2788	sub prepare_random_map {
1869	my ($exit) = @_;	2789	my ($exit) = @_;
1870		2790
1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1872
1873	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1874	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1875	# that depends on the exit object	2793	# that depends on the exit object
1876		2794
1877	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1879	if ($exit->map) {	2797	if ($exit->map) {
1880	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1881	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1882	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1883	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1884	}	2804	}
1885		2805
1886	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1887		2807
1888	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1889	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1891		2811
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2814	undef $fh;
1895	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1896		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1897	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1898	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1899	}	2823	}
1900	}	2824	}
1901		2825
1902	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1903	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
1904		2828
1905	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1906		2830
1907	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
1909	cf::sync_job { prepare_random_map $exit };
1910	}
1911
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;
1915
1916	$self->enter_link;	2831	$self->enter_link;
1917		2832
1918	(async {	2833	(async {
1919	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1920	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
1921	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
1922		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1923	1;	2857	1
1924	}) {	2858	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1926	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2863
1930	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1931	$self->leave_link;	2865	$self->leave_link;
1932	}	2866	}
1933	})->prio (1);	2867	})->prio (1);
1934	}	2868	}
1935		2869
…		…
1946		2880
1947	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1949		2883
1950	utf8::encode $text;	2884	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2886	}
1953		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
1954		3109
1955	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1956		3111
1957	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		3115
1961	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	3117	become reliable at some point in the future.
1963		3118
1964	=cut	3119	=cut
1965		3120
1966	sub cf::client::query {	3121	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	3130	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		3132
1978	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
1980	}	3137	}
1981		3138
1982	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
1983	on_reply => sub {	3145	on_reply => sub {
1984	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
1985		3147
1986	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
1987	# get handled first	3149	# get handled first
1988	my $queue = delete $ns->{query_queue}	3150	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	3151	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		3152
1991	(shift @$queue)->[1]->($msg);	3153	(shift @$queue)->[1]->($msg);
		3154	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		3155
1993	push @{ $ns->{query_queue} }, @$queue;	3156	push @{ $ns->{query_queue} }, @$queue;
1994		3157
1995	if (@{ $ns->{query_queue} } == @$queue) {	3158	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	3159	if (@$queue) {
…		…
1998	} else {	3161	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	3163	}
2001	}	3164	}
2002	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2003	);	3192	);
2004		3193
2005	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2006		3195
2007	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2023		3212
2024	$coro	3213	$coro
2025	}	3214	}
2026		3215
2027	cf::client->attach (	3216	cf::client->attach (
2028	on_destroy => sub {	3217	on_client_destroy => sub {
2029	my ($ns) = @_;	3218	my ($ns) = @_;
2030		3219
2031	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2032	},	3221	},
2033	);	3222	);
…		…
2048	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2050		3239
2051	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2052		3241
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2054		3247
2055	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2056		3249
2057	=pod	3250	=pod
2058		3251
2059	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2060		3253
2061	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2062	cf::object::player player	3259	cf::object::player
2063	cf::player peaceful	3260	player
2064	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2065		3267
2066	=cut	3268	=cut
2067		3269
2068	for (	3270	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2070	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2072	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2073	) {	3277	) {
2074	no strict 'refs';	3278	no strict 'refs';
2075	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2076	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2094		3298
2095	my $qcode = $code;	3299	my $qcode = $code;
2096	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2097	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2098		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2099	local $_;	3306	local $_;
2100	local @safe::cf::_safe_eval_args = values %vars;
2101		3307
2102	my $eval =	3308	my $eval =
2103	"do {\n"	3309	"do {\n"
2104	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2105	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2106	. $code	3312	. $code
2107	. "\n}"	3313	. "\n}"
2108	;	3314	;
2109		3315
		3316	if ($CFG{safe_eval}) {
2110	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2111	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2112	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2113		3325
2114	if ($@) {	3326	if ($@) {
2115	warn "$@";	3327	warn "$@",
2116	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2117	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2118	}	3330	}
2119		3331
2120	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2121	}	3333	}
2122		3334
…		…
2136	=cut	3348	=cut
2137		3349
2138	sub register_script_function {	3350	sub register_script_function {
2139	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2140		3352
2141	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2142	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2143	}	3355	}
2144		3356
2145	=back	3357	=back
2146		3358
2147	=cut	3359	=cut
2148		3360
2149	#############################################################################	3361	#############################################################################
		3362	# the server's init and main functions
2150		3363
2151	=head2 EXTENSION DATABASE SUPPORT	3364	sub load_facedata($) {
		3365	my ($path) = @_;
2152		3366
2153	Crossfire maintains a very simple database for extension use. It can	3367	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3368	# for this (global event?)
2155	excludes objects.	3369	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3370
2157	The parameter C<$family> should best start with the name of the extension	3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3372
2160	=over 4	3373	trace "loading facedata from $path\n";
2161		3374
2162	=item $hashref = cf::db_get $family	3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
2163		3378
2164	Return a hashref for use by the extension C<$family>, which can be	3379	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3380
2168	=item $value = cf::db_get $family => $key	3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3383
2170	Returns a single value from the database	3384	# patch in the exptable
2171		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2172	=item cf::db_put $family => $hashref	3386	$facedata->{resource}{"res/exp_table"} = {
2173		3387	type => FT_RSRC,
2174	Stores the given family hashref into the database. Updates are delayed, if	3388	data => $exp_table,
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3389	hash => (Digest::MD5::md5 $exp_table),
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3390	};
		3391	cf::cede_to_tick;
2200		3392
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3393	{
		3394	my $faces = $facedata->{faceinfo};
2212		3395
2213	my $dirty;	3396	while (my ($face, $info) = each %$faces) {
		3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2214		3398
2215	sub db_sync() {	3399	cf::face::set_visibility $idx, $info->{visibility};
2216	db_save if $dirty;	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2217	undef $dirty;	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2218	}	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2219		3403
2220	my $idle = Event->idle (	3404	cf::cede_to_tick;
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3405	}
2254	);
2255	}
2256		3406
2257	#############################################################################	3407	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3408	next unless $info->{smooth};
2259		3409
2260	sub cfg_load {	3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
		3454	1
		3455	}
		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
		3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
		3527	sub reload_resources {
		3528	trace "reloading resource files...\n";
		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
		3533	reload_regions;
		3534	reload_treasures;
		3535
		3536	trace "finished reloading resource files\n";
		3537	}
		3538
		3539	sub reload_config {
		3540	trace "reloading config file...\n";
		3541
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3543	or return;
2263		3544
2264	local $/;	3545	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2266		3547
2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2268		3549
2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2271		3552
2272	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2274	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2275	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2276	};	3557	};
2277	warn $@ if $@;	3558	warn $@ if $@;
2278	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2279	}	3590	}
2280		3591
2281	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2282	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285	(async {	3605	(async {
2286	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2287	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2288	};	3609	};
2289		3610
2290	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
2291	db_load;	3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
		3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2292	load_extensions;	3634	load_extensions;
2293		3635
2294	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2295	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2296	}	3649	}
2297		3650
2298	#############################################################################	3651	#############################################################################
2299	# initialisation and cleanup	3652	# initialisation and cleanup
2300		3653
2301	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2302	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2303	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2304	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2305	reentrant => 0,
2306	data => WF_AUTOCANCEL,
2307	signal => $signal,
2308	prio => 0,
2309	cb => sub {
2310	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2311	},
2312	);	3660	};
		3661	}
		3662	}
		3663
		3664	sub write_runtime_sync {
		3665	my $t0 = AE::time;
		3666
		3667	# first touch the runtime file to show we are still running:
		3668	# the fsync below can take a very very long time.
		3669
		3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3671
		3672	my $guard = cf::lock_acquire "write_runtime";
		3673
		3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3675	or return;
		3676
		3677	my $value = $cf::RUNTIME + 90 + 10;
		3678	# 10 is the runtime save interval, for a monotonic clock
		3679	# 60 allows for the watchdog to kill the server.
		3680
		3681	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3682	and return;
		3683
		3684	# always fsync - this file is important
		3685	aio_fsync $fh
		3686	and return;
		3687
		3688	# touch it again to show we are up-to-date
		3689	aio_utime $fh, undef, undef;
		3690
		3691	close $fh
		3692	or return;
		3693
		3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3695	and return;
		3696
		3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3698
2313	}	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2314	}	3750	}
2315		3751
2316	sub emergency_save() {	3752	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2318		3754
2319	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2320		3761
2321	cf::sync_job {	3762	cf::sync_job {
2322	# use a peculiar iteration method to avoid tripping on perl	3763	# use a peculiar iteration method to avoid tripping on perl
2323	# refcount bugs in for. also avoids problems with players	3764	# refcount bugs in for. also avoids problems with players
2324	# and maps saved/destroyed asynchronously.	3765	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3766	info "emergency_perl_save: begin player save\n";
2326	for my $login (keys %cf::PLAYER) {	3767	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3768	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3769	$pl->valid or next;
		3770	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3771	$pl->save;
2330	}	3772	}
2331	warn "end emergency player save\n";	3773	info "emergency_perl_save: end player save\n";
2332		3774
2333	warn "begin emergency map save\n";	3775	info "emergency_perl_save: begin map save\n";
2334	for my $path (keys %cf::MAP) {	3776	for my $path (keys %cf::MAP) {
2335	my $map = $cf::MAP{$path} or next;	3777	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3778	$map->valid or next;
2337	$map->save;	3779	$map->save;
2338	}	3780	}
2339	warn "end emergency map save\n";	3781	info "emergency_perl_save: end map save\n";
		3782
		3783	info "emergency_perl_save: begin database checkpoint\n";
		3784	BDB::db_env_txn_checkpoint $DB_ENV;
		3785	info "emergency_perl_save: end database checkpoint\n";
		3786
		3787	info "emergency_perl_save: begin write uuid\n";
		3788	write_uuid_sync 1;
		3789	info "emergency_perl_save: end write uuid\n";
2340	};	3790	};
2341		3791
2342	warn "leave emergency perl save\n";	3792	info "emergency_perl_save: starting sync()\n";
2343	}	3793	IO::AIO::aio_sync sub {
		3794	info "emergency_perl_save: finished sync()\n";
		3795	};
2344		3796
		3797	info "emergency_perl_save: leave\n";
		3798	}
		3799
		3800	sub post_cleanup {
		3801	my ($make_core) = @_;
		3802
		3803	error Carp::longmess "post_cleanup backtrace"
		3804	if $make_core;
		3805
		3806	my $fh = pidfile;
		3807	unlink $PIDFILE if <$fh> == $$;
		3808	}
		3809
		3810	# a safer delete_package, copied from Symbol
		3811	sub clear_package($) {
		3812	my $pkg = shift;
		3813
		3814	# expand to full symbol table name if needed
		3815	unless ($pkg =~ /^main::.*::$/) {
		3816	$pkg = "main$pkg" if $pkg =~ /^::/;
		3817	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3818	$pkg .= '::' unless $pkg =~ /::$/;
		3819	}
		3820
		3821	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3822	my $stem_symtab = *{$stem}{HASH};
		3823
		3824	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3825	or return;
		3826
		3827	# clear all symbols
		3828	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3829	for my $name (keys %$leaf_symtab) {
		3830	_gv_clear *{"$pkg$name"};
		3831	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3832	}
		3833	}
		3834
2345	sub reload() {	3835	sub do_reload_perl() {
2346	# can/must only be called in main	3836	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3837	if (in_main) {
2348	warn "can only reload from main coroutine";	3838	error "can only reload from main coroutine";
2349	return;	3839	return;
2350	}	3840	}
2351		3841
		3842	return if $RELOAD++;
		3843
		3844	my $t1 = AE::time;
		3845
		3846	while ($RELOAD) {
2352	warn "reloading...";	3847	info "reloading...";
2353		3848
2354	warn "cancelling server ticker";	3849	trace "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3850
		3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
2357	cf::emergency_save;	3853	cf::emergency_save;
		3854	cf::write_runtime_sync; # external watchdog should not bark
2358		3855
2359	eval {	3856	trace "syncing database to disk";
		3857	BDB::db_env_txn_checkpoint $DB_ENV;
		3858
2360	# if anything goes wrong in here, we should simply crash as we already saved	3859	# if anything goes wrong in here, we should simply crash as we already saved
2361		3860
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364
2365	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}
2369
2370	warn "flushing outstanding aio requests";	3861	trace "flushing outstanding aio requests";
2371	for (;;) {	3862	while (IO::AIO::nreqs || BDB::nreqs) {
2372	IO::AIO::flush;	3863	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2373	Coro::cede;
2374	last unless IO::AIO::nreqs;
2375	warn "iterate...";
2376	}
2377
2378	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();
2381
2382	warn "removing commands";
2383	%COMMAND = ();
2384
2385	warn "removing ext commands";
2386	%EXTCMD = ();
2387
2388	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";
2391
2392	if (my $cb = $pkg->can ("unload")) {
2393	eval {
2394	$cb->($pkg);
2395	1
2396	} or warn "$pkg unloaded, but with errors: $@";
2397	}	3864	}
2398		3865
2399	warn "... nuking $pkg";	3866	trace "cancelling all extension coros";
2400	Symbol::delete_package $pkg;	3867	$_->cancel for values %EXT_CORO;
2401	}	3868	%EXT_CORO = ();
2402		3869
2403	warn "unloading all perl modules loaded from $LIBDIR";	3870	trace "removing commands";
2404	while (my ($k, $v) = each %INC) {	3871	%COMMAND = ();
2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2406		3872
		3873	trace "removing ext/exti commands";
		3874	%EXTCMD = ();
		3875	%EXTICMD = ();
		3876
		3877	trace "unloading/nuking all extensions";
		3878	for my $pkg (@EXTS) {
2407	warn "... unloading $k";	3879	trace "... unloading $pkg";
2408	delete $INC{$k};
2409		3880
2410	$k =~ s/\.pm$//;
2411	$k =~ s/\//::/g;
2412
2413	if (my $cb = $k->can ("unload_module")) {	3881	if (my $cb = $pkg->can ("unload")) {
		3882	eval {
2414	$cb->();	3883	$cb->($pkg);
		3884	1
		3885	} or error "$pkg unloaded, but with errors: $@";
		3886	}
		3887
		3888	trace "... clearing $pkg";
		3889	clear_package $pkg;
2415	}	3890	}
2416		3891
2417	Symbol::delete_package $k;	3892	trace "unloading all perl modules loaded from $LIBDIR";
		3893	while (my ($k, $v) = each %INC) {
		3894	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3895
		3896	trace "... unloading $k";
		3897	delete $INC{$k};
		3898
		3899	$k =~ s/\.pm$//;
		3900	$k =~ s/\//::/g;
		3901
		3902	if (my $cb = $k->can ("unload_module")) {
		3903	$cb->();
		3904	}
		3905
		3906	clear_package $k;
2418	}	3907	}
2419		3908
2420	warn "getting rid of safe::, as good as possible";	3909	trace "getting rid of safe::, as good as possible";
2421	Symbol::delete_package "safe::$_"	3910	clear_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3911	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3912
2424	warn "unloading cf.pm \"a bit\"";	3913	trace "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3914	delete $INC{"cf.pm"};
		3915	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2426		3916
2427	# don't, removes xs symbols, too,	3917	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3918	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3919	#clear_package __PACKAGE__;
2430		3920
2431	warn "unload completed, starting to reload now";	3921	info "unload completed, starting to reload now";
2432		3922
2433	warn "reloading cf.pm";	3923	trace "reloading cf.pm";
2434	require cf;	3924	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3925	cf::_connect_to_perl_1;
2436		3926
2437	warn "loading config and database again";	3927	trace "loading config and database again";
2438	cf::cfg_load;	3928	cf::reload_config;
2439	cf::db_load;
2440		3929
2441	warn "loading extensions";	3930	trace "loading extensions";
2442	cf::load_extensions;	3931	cf::load_extensions;
2443		3932
		3933	if ($REATTACH_ON_RELOAD) {
2444	warn "reattaching attachments to objects/players";	3934	trace "reattaching attachments to objects/players";
2445	_global_reattach;	3935	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3936	trace "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3937	reattach $_ for values %MAP;
		3938	trace "reattaching attachments to players";
		3939	reattach $_ for values %PLAYER;
		3940	}
2448		3941
2449	warn "restarting server ticker";	3942	trace "running post_init jobs";
		3943	(pop @POST_INIT)->(1) while @POST_INIT;
2450		3944
2451	$TICK_WATCHER->start;	3945	trace "leaving sync_job";
		3946
		3947	1
		3948	} or do {
		3949	error $@;
		3950	cf::cleanup "error while reloading, exiting.";
		3951	};
		3952
		3953	info "reloaded";
		3954	--$RELOAD;
		3955	}
		3956
		3957	$t1 = AE::time - $t1;
		3958	info "reload completed in ${t1}s\n";
		3959	};
		3960
		3961	our $RELOAD_WATCHER; # used only during reload
		3962
		3963	sub reload_perl() {
		3964	# doing reload synchronously and two reloads happen back-to-back,
		3965	# coro crashes during coro_state_free->destroy here.
		3966
		3967	$RELOAD_WATCHER ||= cf::async {
		3968	Coro::AIO::aio_wait cache_extensions;
		3969
		3970	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3971	do_reload_perl;
		3972	undef $RELOAD_WATCHER;
		3973	};
2452	};	3974	};
2453		3975	}
2454	if ($@) {
2455	warn $@;
2456	warn "error while reloading, exiting.";
2457	exit 1;
2458	}
2459
2460	warn "reloaded";
2461	};
2462
2463	our $RELOAD_WATCHER; # used only during reload
2464		3976
2465	register_command "reload" => sub {	3977	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3978	my ($who, $arg) = @_;
2467		3979
2468	if ($who->flag (FLAG_WIZ)) {	3980	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3981	$who->message ("reloading server.");
2470		3982	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3983	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3984	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3985	};
2483	}	3986	}
2484	};	3987	};
2485		3988
2486	unshift @INC, $LIBDIR;	3989	unshift @INC, $LIBDIR;
2487		3990
2488	my $bug_warning = 0;	3991	my $bug_warning = 0;
2489		3992
2490	$TICK_WATCHER = Event->timer (	3993	our @WAIT_FOR_TICK;
2491	reentrant => 0,	3994	our @WAIT_FOR_TICK_BEGIN;
2492	parked => 1,	3995
2493	prio => 0,	3996	sub wait_for_tick {
2494	at => $NEXT_TICK || $TICK,	3997	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2495	data => WF_AUTOCANCEL,	3998
2496	cb => sub {	3999	my $signal = new Coro::Signal;
		4000	push @WAIT_FOR_TICK, $signal;
		4001	$signal->wait;
		4002	}
		4003
		4004	sub wait_for_tick_begin {
		4005	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4006
		4007	my $signal = new Coro::Signal;
		4008	push @WAIT_FOR_TICK_BEGIN, $signal;
		4009	$signal->wait;
		4010	}
		4011
		4012	sub tick {
2497	if ($Coro::current != $Coro::main) {	4013	if ($Coro::current != $Coro::main) {
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4014	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	4015	unless ++$bug_warning > 10;
2500	return;	4016	return;
2501	}	4017	}
2502		4018
2503	$NOW = Event::time;
2504
2505	cf::server_tick; # one server iteration	4019	cf::server_tick; # one server iteration
2506	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;
2508		4020
2509	$WAIT_FOR_TICK->broadcast;	4021	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2511		4022
2512	Event::sweep;	4023	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2513	Coro::cede_notself;	4024	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4025	Coro::async_pool {
		4026	$Coro::current->{desc} = "runtime saver";
		4027	write_runtime_sync
		4028	or error "ERROR: unable to write runtime file: $!";
		4029	};
		4030	}
		4031
		4032	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4033	$sig->send;
		4034	}
		4035	while (my $sig = shift @WAIT_FOR_TICK) {
		4036	$sig->send;
		4037	}
		4038
		4039	$LOAD = ($NOW - $TICK_START) / $TICK;
		4040	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4041
		4042	if (0) {
		4043	if ($NEXT_TICK) {
		4044	my $jitter = $TICK_START - $NEXT_TICK;
		4045	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4046	debug "jitter $JITTER\n";#d#
2514		4047	}
2515	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#
2517
2518	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;
2523	},	4048	}
2524	);	4049	}
2525		4050
		4051	{
		4052	# configure BDB
		4053
		4054	BDB::min_parallel 16;
		4055	BDB::max_poll_reqs $TICK * 0.1;
		4056	$AnyEvent::BDB::WATCHER->priority (1);
		4057
		4058	unless ($DB_ENV) {
		4059	$DB_ENV = BDB::db_env_create;
		4060	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4061	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4062	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4063	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4064	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4065
		4066	cf::sync_job {
		4067	eval {
		4068	BDB::db_env_open
		4069	$DB_ENV,
		4070	$BDBDIR,
		4071	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4072	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4073	0666;
		4074
		4075	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4076	};
		4077
		4078	cf::cleanup "db_env_open(db): $@" if $@;
		4079	};
		4080	}
		4081
		4082	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4083	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4084	};
		4085	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4086	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4087	};
		4088	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4089	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4090	};
		4091	}
		4092
		4093	{
		4094	# configure IO::AIO
		4095
		4096	IO::AIO::min_parallel 8;
2526	IO::AIO::max_poll_time $TICK * 0.1;	4097	IO::AIO::max_poll_time $TICK * 0.1;
		4098	undef $AnyEvent::AIO::WATCHER;
		4099	}
2527		4100
2528	undef $Coro::AIO::WATCHER;	4101	my $_log_backtrace;
2529	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,
2531	fd => IO::AIO::poll_fileno,
2532	poll => 'r',
2533	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,
2536	);
2537		4102
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	4103	sub _log_backtrace {
2539	reentrant => 0,	4104	my ($msg, @addr) = @_;
2540	data => WF_AUTOCANCEL,	4105
2541	after => 1,	4106	$msg =~ s/\n//;
2542	interval => 10,	4107
2543	prio => 6, # keep it lowest so it acts like a watchdog	4108	# limit the # of concurrent backtraces
2544	cb => Coro::unblock_sub {	4109	if ($_log_backtrace < 2) {
2545	write_runtime	4110	++$_log_backtrace;
2546	or warn "ERROR: unable to write runtime file: $!";	4111	my $perl_bt = Carp::longmess $msg;
		4112	async {
		4113	$Coro::current->{desc} = "abt $msg";
		4114
		4115	my @bt = fork_call {
		4116	@addr = map { sprintf "%x", $_ } @addr;
		4117	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4118	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4119	or die "addr2line: $!";
		4120
		4121	my @funcs;
		4122	my @res = <$fh>;
		4123	chomp for @res;
		4124	while (@res) {
		4125	my ($func, $line) = splice @res, 0, 2, ();
		4126	push @funcs, "[$func] $line";
		4127	}
		4128
		4129	@funcs
		4130	};
		4131
		4132	LOG llevInfo, "[ABT] $perl_bt\n";
		4133	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4134	LOG llevInfo, "[ABT] $_\n" for @bt;
		4135	--$_log_backtrace;
		4136	};
		4137	} else {
		4138	LOG llevInfo, "[ABT] $msg\n";
		4139	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	4140	}
2548	);	4141	}
		4142
		4143	# load additional modules
		4144	require "cf/$_.pm" for @EXTRA_MODULES;
		4145	cf::_connect_to_perl_2;
2549		4146
2550	END { cf::emergency_save }	4147	END { cf::emergency_save }
2551		4148
2552	1	4149	1
2553		4150

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