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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.193 by root, Wed Jan 24 16:29:10 2007 UTC vs.
Revision 1.540 by root, Tue May 4 23:32:29 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
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;
		170
		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::"} };
87		187
88	#############################################################################	188	#############################################################################
89		189
90	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
91		191
…		…
98	=item $cf::RUNTIME	198	=item $cf::RUNTIME
99		199
100	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
101	every server tick.	201	every server tick.
102		202
103	=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
104		206
105	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		211
108	=item $cf::NOW	212	=item $cf::NOW
109		213
110	The time of the last (current) server tick.	214	The time of the last (current) server tick.
111		215
112	=item $cf::TICK	216	=item $cf::TICK
113		217
114	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	230	=item %cf::CFG
117		231
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	233	from wherever your confdir points to.
120		234
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		236
123	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
124	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
125	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.
126	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.
127		252
128	=back	253	=back
129		254
130	=cut	255	=cut
131		256
132	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
133	*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 {
134	my $msg = join "", @_;	264	my $msg = join "", @_;
135	utf8::encode $msg;
136		265
137	$msg .= "\n"	266	$msg .= "\n"
138	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
139		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
140	LOG llevError, $msg;	271	LOG llevWarn, $msg;
141	};	272	};
142	}	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	};
143		287
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		295
151	# 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
152	# within the Safe compartment.	297	# within the Safe compartment.
153	for my $pkg (qw(	298	for my $pkg (qw(
154	cf::global cf::attachable	299	cf::global cf::attachable
155	cf::object cf::object::player	300	cf::object cf::object::player
156	cf::client cf::player	301	cf::client cf::player
157	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
158	cf::map cf::party cf::region	304	cf::party cf::region
159	)) {	305	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	307	}
163		308
164	$Event::DIED = sub {	309	$EV::DIED = sub {
165	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
166	};	311	};
		312
		313	#############################################################################
167		314
168	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
169		316
170	=over 4	317	=over 4
171		318
…		…
190	$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;
191	$d	338	$d
192	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
193	}	340	}
194		341
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
198		343
199	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
200		345
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
209		347
210	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
211		349
212	=cut	350	=cut
213		351
214	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
216	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;
217	}	369	}
218		370
219	=item cf::lock_wait $string	371	=item cf::lock_wait $string
220		372
221	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
222		374
223	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
224		376
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
228	returned.	380	returned.
229		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
230	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
231	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
232		387
233	=cut	388	=item $locked = cf::lock_active $string
234		389
235	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
236		395
237	sub lock_wait($) {	396	sub lock_wait($) {
238	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	398	}
246		399
247	sub lock_acquire($) {	400	sub lock_acquire($) {
248	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
249		403
250	# wait, to be sure we are not locked	404	sub lock_active($) {
251	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	406	}
260		407
261	sub freeze_mainloop {	408	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
263		410
264	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	412	}
266	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
267	};	478	}
268	$WRITE_RUNTIME_WATCHER->stop;	479	};
269	$TICK_WATCHER->stop;	480
270	$guard	481	sub get_slot($;$$) {
		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	$sig->wait;
271	}	494	}
272		495
273	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
274		497
275	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		503
281	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
282		505
283	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
284		507
285	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
288		512
289	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
292	fast or be very important.	516	fast or be very important.
…		…
294	=cut	518	=cut
295		519
296	sub sync_job(&) {	520	sub sync_job(&) {
297	my ($job) = @_;	521	my ($job) = @_;
298		522
299	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
300	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
302		528
303	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	530
305	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
306		532
307	my $busy = 1;	533	my $busy = 1;
308	my @res;	534	my @res;
309		535
310	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	538	@res = eval { $job->() };
312	warn $@ if $@;	539	error $@ if $@;
313	undef $busy;	540	undef $busy;
314	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
315		542
316	while ($busy) {	543	while ($busy) {
317	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
318	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
319		554
320	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
321	} else {	556	} else {
322	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
323		558
…		…
343	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
344		579
345	$coro	580	$coro
346	}	581	}
347		582
348	sub write_runtime {	583	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		584
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
352	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.
353		589
354	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		591
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
359	and return;	593	my ($cb, @args) = @_;
360		594
361	aio_fsync $fh	595	# we seemingly have to make a local copy of the whole thing,
362	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
363		598
364	close $fh	599	my @res = Coro::Util::fork_eval {
365	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
366		603
367	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
368	and return;	605	}
369		606
		607	sub objinfo {
370	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 });
371	}	783	}
372		784
373	=back	785	=back
374		786
375	=cut	787	=cut
376		788
377	#############################################################################	789	#############################################################################
378		790
379	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
380		792
381	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
382	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")
383	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
384		796
385	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>
386	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
387	crossfire+).	799	Deliantra).
388		800
389	=over 4	801	=over 4
390		802
391	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
392		804
…		…
436	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
437		849
438	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
440		852
441	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
442	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.
443		855
444	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
445		857
446	=over 4	858	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
556		968
557	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		973
562	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	975	my $pkg = shift @arg;
564		976
565	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
570		982
571	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		985
574	} elsif (ref $type) {	986	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
576		988
577	} else {	989	} else {
578	shift @arg;	990	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
580	}	992	}
581	}	993	}
582	}	994	}
583		995
584	sub _object_attach {	996	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
595	}	1007	}
596		1008
597	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
598	} else {	1010	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1012	}
601		1013
602	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
603	}	1015	}
604		1016
…		…
606	if (ref $_[0]) {	1018	if (ref $_[0]) {
607	_object_attach @_;	1019	_object_attach @_;
608	} else {	1020	} else {
609	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
610	}	1022	}
		1023	_recalc_want;
611	};	1024	};
612		1025
613	# all those should be optimised	1026	# all those should be optimised
614	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1032	reattach ($obj);
620	} else {	1033	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
622	}	1035	}
		1036	_recalc_want;
623	};	1037	};
624		1038
625	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
627		1041
…		…
642	";	1056	";
643	die if $@;	1057	die if $@;
644	}	1058	}
645		1059
646	our $override;	1060	our $override;
647	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?
648		1062
649	sub override {	1063	sub override {
650	$override = 1;	1064	$override = 1;
651	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
652	}	1066	}
653		1067
654	sub do_invoke {	1068	sub do_invoke {
655	my $event = shift;	1069	my $event = shift;
656	my $callbacks = shift;	1070	my $callbacks = shift;
657		1071
658	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
659		1073
660	local $override;	1074	local $override;
661		1075
662	for (@$callbacks) {	1076	for (@$callbacks) {
663	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
664		1078
665	if ($@) {	1079	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1081	override;
669	}	1082	}
670		1083
671	return 1 if $override;	1084	return 1 if $override;
672	}	1085	}
673		1086
674	0	1087	0
675	}	1088	}
676		1089
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1091
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1093
681	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
682		1095
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1099
687	=back	1100	=back
688		1101
689	=cut	1102	=cut
690		1103
691	#############################################################################	1104	#############################################################################
692	# 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, $ob2
		1147	}
693		1148
694	sub reattach {	1149	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1151	my ($obj) = @_;
697		1152
		1153	# no longer needed after getting rid of delete_package?
698	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
699		1155
700	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
701		1157
702	@$registry = ();	1158	@$registry = ();
703		1159
…		…
708	for (@$attach) {	1164	for (@$attach) {
709	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
711	}	1167	}
712	} else {	1168	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1170	}
715	}	1171	}
716	}	1172	}
717		1173
718	cf::attachable->attach (	1174	cf::attachable->attach (
719	prio => -1000000,	1175	prio => -1000000,
720	on_instantiate => sub {	1176	on_instantiate => sub {
721	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
722		1178
723	$data = from_json $data;	1179	$data = decode_json $data;
724		1180
725	for (@$data) {	1181	for (@$data) {
726	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
727		1183
728	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1200	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
746		1202
747	sync_job {	1203	sync_job {
748	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
751		1209
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
754	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;
755	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
756	close $fh;	1217	aio_close $fh;
757		1218
758	if (@$objs) {	1219	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	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;
763	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
764	close $fh;	1228	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
766	}	1230	}
767	} else {	1231	} else {
768	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
769	}	1233	}
770		1234
771	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1239	} else {
773	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
774	}	1241	}
775	} else {	1242	} else {
776	aio_unlink $filename;	1243	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
778	}	1245	}
779	}	1246	};
780	}	1247	}
781		1248
782	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
784		1251
…		…
796	or return;	1263	or return;
797		1264
798	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
800	or return;	1267	or return;
		1268
801	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
802	}	1271	}
803		1272
		1273	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
806	return ($data, $av);	1278	($data, $av)
807	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
808		1286
809	#############################################################################	1287	#############################################################################
810	# command handling &c	1288	# command handling &c
811		1289
812	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1304	}
827		1305
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1307
830	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.
831		1313
832	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
833	called.	1315	called.
834		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
835	=cut	1328	=cut
836		1329
837	sub register_extcmd {	1330	sub register_extcmd {
838	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
839		1332
840	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
841	}	1334	}
842		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
843	cf::player->attach (	1344	cf::player->attach (
844	on_command => sub {	1345	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
846		1347
847	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
848	or return;	1349	or return;
849		1350
…		…
854	cf::override;	1355	cf::override;
855	},	1356	},
856	on_extcmd => sub {	1357	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
858		1359
859	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1361
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
867	} else {	1377	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1379	}
870		1380
871	cf::override;	1381	cf::override;
872	},	1382	},
873	);	1383	);
874		1384
		1385	# "readahead" all extensions
875	sub load_extension {	1386	sub cache_extensions {
876	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
877		1388
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1392	}
903	die $@;
904	}	1393	};
905		1394
906	push @EXTS, $pkg;	1395	$grp
907	}	1396	}
908		1397
909	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
910	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1405	next unless -r $path;
912	eval {	1406
913	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 $pkg; use common::sense;\n"
		1429	. "#line 1 \"$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	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
914	1	1471	}
915	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
916	}	1482	};
917	}	1483	}
918		1484
919	#############################################################################	1485	#############################################################################
920		1486
		1487	=back
		1488
921	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
922		1490
923	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
924		1492
925	=cut	1493	=cut
926		1494
927	package cf::player;	1495	package cf::player;
928		1496
…		…
930		1498
931	=head3 cf::player	1499	=head3 cf::player
932		1500
933	=over 4	1501	=over 4
934		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
		1516
935	=item cf::player::find $login	1517	=item cf::player::find $login
936		1518
937	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
938		1520
939	=cut	1521	=cut
940		1522
941	sub playerdir($) {	1523	sub playerdir($) {
942	cf::localdir	1524	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1526	}
948		1527
949	sub path($) {	1528	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1530
952	(playerdir $login) . "/$login.pl"	1531	(playerdir $login) . "/playerdata"
953	}	1532	}
954		1533
955	sub find_active($) {	1534	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1535	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1536	and $cf::PLAYER{$_[0]}->active
…		…
960		1539
961	sub exists($) {	1540	sub exists($) {
962	my ($login) = @_;	1541	my ($login) = @_;
963		1542
964	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
966	}	1545	}
967		1546
968	sub find($) {	1547	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1549	my $login = $_[0];
971		1550
972	my $guard = cf::lock_acquire "user_find:$login";	1551	my $guard = cf::lock_acquire "user_find:$login";
973		1552
974	$cf::PLAYER{$_[0]} || do {	1553	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1554	# rename old playerfiles to new ones
		1555	#TODO: remove when no longer required
		1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1559	aio_unlink +(playerdir $login) . "/$login.pl";
		1560
		1561	my $f = new_from_file cf::object::thawer path $login
976	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
978	}	1570	}
979	}	1571	}
980	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
981		1586
982	sub save($) {	1587	sub save($) {
983	my ($pl) = @_;	1588	my ($pl) = @_;
984		1589
985	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
991		1596
992	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
994		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
995	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
996	Coro::cede;	1606	cf::cede_to_tick;
997	}	1607	}
998		1608
999	sub new($) {	1609	sub new($) {
1000	my ($login) = @_;	1610	my ($login) = @_;
1001		1611
…		…
1007	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1008		1618
1009	$self	1619	$self
1010	}	1620	}
1011		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1012	=item $pl->quit_character	1632	=item $pl->quit_character
1013		1633
1014	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1016		1636
1017	=cut	1637	=cut
1018		1638
1019	sub quit_character {	1639	sub quit_character {
1020	my ($pl) = @_;	1640	my ($pl) = @_;
1021		1641
		1642	my $name = $pl->ob->name;
		1643
1022	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1646
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1029		1652
1030	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1655	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1656	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1657	$pl->destroy;
		1658
		1659	my $prefix = qr<^~\Q$name\E/>;
		1660
		1661	# nuke player maps
		1662	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1663
1035	IO::AIO::aio_rmtree $temp;	1664	IO::AIO::aio_rmtree $temp;
		1665	}
		1666
		1667	=item $pl->kick
		1668
		1669	Kicks a player out of the game. This destroys the connection.
		1670
		1671	=cut
		1672
		1673	sub kick {
		1674	my ($pl, $kicker) = @_;
		1675
		1676	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1677	$pl->killer ("kicked");
		1678	$pl->ns->destroy;
1036	}	1679	}
1037		1680
1038	=item cf::player::list_logins	1681	=item cf::player::list_logins
1039		1682
1040	Returns am arrayref of all valid playernames in the system, can take a	1683	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1042		1685
1043	=cut	1686	=cut
1044		1687
1045	sub list_logins {	1688	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1690	or return [];
1048		1691
1049	my @logins;	1692	my @logins;
1050		1693
1051	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1055		1704
1056	utf8::decode $login;	1705	utf8::decode $login;
1057	push @logins, $login;	1706	push @logins, $login;
1058	}	1707	}
1059		1708
1060	\@logins	1709	\@logins
1061	}	1710	}
1062		1711
1063	=item $player->maps	1712	=item $player->maps
1064		1713
		1714	=item cf::player::maps $login
		1715
1065	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1066	player. May block.	1717	player. May block.
1067		1718
1068	=cut	1719	=cut
1069		1720
1070	sub maps($) {	1721	sub maps($) {
1071	my ($pl) = @_;	1722	my ($pl) = @_;
		1723
		1724	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1725
1073	my $files = aio_readdir playerdir $pl	1726	my $files = aio_readdir playerdir $pl
1074	or return;	1727	or return;
1075		1728
1076	my @paths;	1729	my @paths;
…		…
1078	for (@$files) {	1731	for (@$files) {
1079	utf8::decode $_;	1732	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1733	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1734	next unless /^$PATH_SEP/o;
1082		1735
1083	s/\.map$//;	1736	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1737	}
1086		1738
1087	\@paths	1739	\@paths
1088	}	1740	}
1089		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1091		1747
1092	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1093		1749
1094	=cut	1750	=cut
1095		1751
1096	sub ext_reply($$$%) {	1752	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1098		1754
1099	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1756	}
1103		1757
1104	package cf;	1758	=item $player->ext_msg ($type, @msg)
		1759
		1760	Sends an ext event to the client.
		1761
		1762	=cut
		1763
		1764	sub ext_msg($$@) {
		1765	my ($self, $type, @msg) = @_;
		1766
		1767	$self->ns->ext_msg ($type, @msg);
		1768	}
		1769
		1770	=head3 cf::region
		1771
		1772	=over 4
		1773
		1774	=cut
		1775
		1776	package cf::region;
		1777
		1778	=item cf::region::find_by_path $path
		1779
		1780	Tries to decuce the likely region for a map knowing only its path.
		1781
		1782	=cut
		1783
		1784	sub find_by_path($) {
		1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
		1789	my ($match, $specificity);
		1790
		1791	for my $region (list) {
		1792	if ($region->{match} && $path =~ $region->{match}) {
		1793	($match, $specificity) = ($region, $region->specificity)
		1794	if $region->specificity > $specificity;
		1795	}
		1796	}
		1797
		1798	$match
		1799	}
1105		1800
1106	=back	1801	=back
1107
1108		1802
1109	=head3 cf::map	1803	=head3 cf::map
1110		1804
1111	=over 4	1805	=over 4
1112		1806
…		…
1124	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1126		1820
1127	sub generate_random_map {	1821	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1129	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1827	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1152		1849
1153	sub register {	1850	sub register {
1154	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1155	my $pkg = caller;	1852	my $pkg = caller;
1156		1853
1157	no strict;
1158	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1159		1855
1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161	}	1857	}
1162		1858
1163	# also paths starting with '/'	1859	# also paths starting with '/'
1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1165		1861
1166	sub thawer_merge {	1862	sub thawer_merge {
1167	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1168		1864
1169	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1170	local $self->{path};	1866	local $self->{path};
1171	local $self->{load_path};	1867	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1868
1175	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1176	}	1870	}
1177		1871
1178	sub normalise {	1872	sub normalise {
1179	my ($path, $base) = @_;	1873	my ($path, $base) = @_;
1180		1874
1181	$path = "$path"; # make sure its a string	1875	$path = "$path"; # make sure its a string
		1876
		1877	$path =~ s/\.map$//;
1182		1878
1183	# map plan:	1879	# map plan:
1184	#	1880	#
1185	# /! non-realised random map exit (special hack!)	1881	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1882	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1224	return $self;	1920	return $self;
1225	}	1921	}
1226	}	1922	}
1227		1923
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1925	()
1230	}	1926	}
1231		1927
1232	sub init {	1928	sub init {
1233	my ($self) = @_;	1929	my ($self) = @_;
…		…
1248		1944
1249	# the original (read-only) location	1945	# the original (read-only) location
1250	sub load_path {	1946	sub load_path {
1251	my ($self) = @_;	1947	my ($self) = @_;
1252		1948
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1254	}	1950	}
1255		1951
1256	# the temporary/swap location	1952	# the temporary/swap location
1257	sub save_path {	1953	sub save_path {
1258	my ($self) = @_;	1954	my ($self) = @_;
1259		1955
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1262	}	1958	}
1263		1959
1264	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1265	sub uniq_path {	1961	sub uniq_path {
1266	my ($self) = @_;	1962	my ($self) = @_;
1267		1963
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1270	}	1966	}
1271		1967
1272	# and all this just because we cannot iterate over	1968	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	1969	my ($self) = @_;
1276		1970
1277	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1279	}	1974	}
1280		1975
1281	sub unlink_save {	1976	sub unlink_save {
1282	my ($self) = @_;	1977	my ($self) = @_;
1283		1978
…		…
1288		1983
1289	sub load_header_from($) {	1984	sub load_header_from($) {
1290	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1291		1986
1292	utf8::encode $path;	1987	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1294	or return;	1989	or return;
1295		1990
1296	$self->_load_header ($path)	1991	$self->_load_header ($f)
1297	or return;	1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1298		1996
1299	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1300		1998
1301	1	1999	1
1302	}	2000	}
…		…
1341	$self->load_header_orig	2039	$self->load_header_orig
1342	or return;	2040	or return;
1343	$self->prepare_orig;	2041	$self->prepare_orig;
1344	}	2042	}
1345		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
1346	1	2050	1
1347	}	2051	}
1348		2052
1349	sub find;	2053	sub find;
1350	sub find {	2054	sub find {
1351	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1352		2056
1353	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1354		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1356		2061
1357	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1360	or return;	2064	or return;
1361		2065
1362	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1363		2067
1364	$map->load_header	2068	$map->load_header
1365	or return;	2069	or return;
1366		2070
1367	if ($map->should_reset) {	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1370	$map->reset;	2076	$map->reset;
1371	undef $guard;
1372	return find $path;	2077	return find $path;
1373	}	2078	}
1374		2079
1375	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1376	}	2081	}
1377	}	2082	}
1378		2083
1379	sub pre_load { }	2084	sub pre_load { }
1380	sub post_load { }	2085	#sub post_load { } # XS
1381		2086
1382	sub load {	2087	sub load {
1383	my ($self) = @_;	2088	my ($self) = @_;
1384		2089
		2090	local $self->{deny_reset} = 1; # loading can take a long time
		2091
1385	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1387		2096
		2097	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		2099
1390	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1391		2101
1392	$self->alloc;	2102	$self->alloc;
1393		2103
1394	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1395		2106
1396	$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)
1397	or return;	2110	or return;
1398		2111
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1400	if delete $self->{load_original};	2113	if delete $self->{load_original};
1401		2114
1402	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2116	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2119	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1407	}	2123	}
1408	}	2124	}
1409		2125
1410	Coro::cede;	2126	$f->resolve_delayed_derefs;
1411		2127
		2128	cf::cede_to_tick;
1412	# now do the right thing for maps	2129	# now do the right thing for maps
1413	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2132	unless $self->difficulty;
1423	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;
1424	$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);
1425	}	2147	}
1426		2148
1427	$self->post_load;	2149	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2150	}
1431		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
1432	sub customise_for {	2155	sub customise_for {
1433	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1434		2157
1435	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2159	if $self->per_player;
1437		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1438	$self	2164	$self
1439	}	2165	}
1440		2166
1441	# 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
1442	sub load_diag {	2168	sub load_neighbours {
1443	my ($map) = @_;	2169	my ($map) = @_;
1444		2170
1445	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1446		2172
1447	for (0 .. 3) {	2173	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1449	or next;	2175	or next;
1450	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1451	or next;	2177	or next;
1452	$neigh->load;	2178	$neigh->load;
1453		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2184	}
1457		2185
1458	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1460	or next;	2189	or next;
1461	$neigh->load;	2190	$neigh->load;
1462	}	2191	}
1463	}	2192	}
1464		2193
1465	sub find_sync {	2194	sub find_sync {
1466	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1467		2196
1468	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
1469	}	2201	}
1470		2202
1471	sub do_load_sync {	2203	sub do_load_sync {
1472	my ($map) = @_;	2204	my ($map) = @_;
1473		2205
1474	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;
1475	}	2210	}
1476		2211
1477	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1479		2214
1480	sub find_async {	2215	sub find_async {
1481	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1482		2217
1483	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1484		2219
1485	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487	}	2222	}
1488		2223
1489	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1490	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1491	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2231	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2232	$map->load if $v;
		2233	}
1496		2234
1497	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1498	}	2236	}
1499	}	2237	}
1500	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1501	};	2239	};
1502	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1503		2241
1504	()	2242	()
1505	}	2243	}
1506		2244
		2245	# common code, used by both ->save and ->swapout
1507	sub save {	2246	sub _save {
1508	my ($self) = @_;	2247	my ($self) = @_;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1511		2248
1512	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1513		2250
1514	return unless $self->dirty;	2251	return unless $self->dirty;
1515		2252
…		…
1521	return if $self->{deny_save};	2258	return if $self->{deny_save};
1522		2259
1523	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1524		2261
1525	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1527	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1528		2268
1529	if ($uniq) {	2269	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2272	} else {
1533	$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);
1534	}	2274	}
1535	}	2275	}
1536		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1537	sub swap_out {	2285	sub swap_out {
1538	my ($self) = @_;	2286	my ($self) = @_;
1539		2287
1540	# save first because save cedes
1541	$self->save;
1542
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1545	return if $self->players;	2292	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;
1547	return if $self->{deny_save};
1548		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
1549	$self->clear;	2303	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2304	}
1552		2305
1553	sub reset_at {	2306	sub reset_at {
1554	my ($self) = @_;	2307	my ($self) = @_;
1555		2308
1556	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1559		2311
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	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;
1562		2314
…		…
1573	my ($self) = @_;	2325	my ($self) = @_;
1574		2326
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2328
1577	return if $self->players;	2329	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2330
1580	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	}
1581		2342
1582	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1583		2344
1584	$self->in_memory (cf::MAP_SWAPPED);	2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2347	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2348
1589	$self->unlink_save;	2349	$self->unlink_save;
1590	$self->destroy;	2350	$self->destroy;
1591	}	2351	}
1592		2352
1593	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1594		2354
1595	sub nuke {	2355	sub nuke {
1596	my ($self) = @_;	2356	my ($self) = @_;
1597		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1598	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1599		2362
1600	$self->unlink_save;	2363	$self->unlink_save;
1601		2364
1602	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1603	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2370
1608	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1609		2373
1610	$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	]
1611	}	2411	}
1612		2412
1613	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1614		2414
1615	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2416	instantiated unique items. May block.
1617		2417
1618	=cut	2418	=cut
1619		2419
1620	sub unique_maps() {	2420	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1622	or return;	2422	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2423	utf8::decode $_;
1628	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
		2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
		2429	]
		2430	}
1630		2431
		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) {
1631	s/\.map$//;	2453	s/\.map$// or next;
1632	push @paths, $_;	2454	utf8::decode $_;
1633	}	2455	push @maps, "$dir/$_";
		2456	}
1634		2457
1635	\@paths	2458	push @dirs, map "$dir/$_", @$dirs;
1636	}	2459	}
1637		2460
1638	package cf;	2461	\@maps
		2462	}
1639		2463
1640	=back	2464	=back
1641		2465
1642	=head3 cf::object	2466	=head3 cf::object
1643		2467
…		…
1647		2471
1648	=over 4	2472	=over 4
1649		2473
1650	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1651		2475
1652	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.
1653		2478
1654	=cut	2479	=cut
1655		2480
1656	sub inv_recursive_;	2481	sub inv_recursive_;
1657	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1660		2485
1661	sub inv_recursive {	2486	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1663	}	2488	}
1664		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
1665	package cf;	2518	package cf;
1666		2519
1667	=back	2520	=back
1668		2521
1669	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1675	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>
1676	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
1677	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1678		2531
1679	=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	};
1680		2547
1681	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2549	# with dialog boxes.
1683	#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
1684	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1686		2553
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2555
1689	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1691	} 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 {
1692	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1694	}	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 (@_);
1695	}	2581	}
1696		2582
1697	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1698		2584
1699	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1712		2598
1713	=item $player_object->enter_link	2599	=item $player_object->enter_link
1714		2600
1715	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}>).
1716		2602
1717	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.
1718	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.
1719		2607
1720	Will never block.	2608	Will never block.
1721		2609
1722	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1723		2611
…		…
1731	=cut	2619	=cut
1732		2620
1733	sub link_map {	2621	sub link_map {
1734	unless ($LINK_MAP) {	2622	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2623	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2624	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2625	$LINK_MAP->load;
1738	}	2626	}
1739		2627
1740	$LINK_MAP	2628	$LINK_MAP
1741	}	2629	}
…		…
1743	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1744	my ($self) = @_;	2632	my ($self) = @_;
1745		2633
1746	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1747		2635
		2636	++$self->{_link_recursion};
		2637
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2639
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1752		2642
1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1754	}	2644	}
1755		2645
1756	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1758		2650
1759	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1760		2652
1761	unless ($map) {	2653	unless ($map) {
1762	# restore original map position	2654	# restore original map position
…		…
1773	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1774	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1775		2667
1776	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1779		2671
1780	$map->load;	2672	$map->load;
1781	$map->load_diag;	2673	$map->load_neighbours;
1782		2674
1783	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
1784	$self->activate_recursive;	2682	$self->activate_recursive;
1785	$self->enter_map ($map, $x, $y);
1786	}
1787
1788	cf::player->attach (
1789	on_logout => sub {
1790	my ($pl) = @_;
1791
1792	# abort map switching before logout
1793	if ($pl->ob->{_link_pos}) {
1794	cf::sync_job {
1795	$pl->ob->leave_link
1796	};
1797	}
1798	},	2683	}
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2684
1802	# try to abort aborted map switching on player login :)	2685	}
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819		2686
1820	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1821		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
1822	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1823		2701
1824	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1825	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;
1826		2713
1827	$self->enter_link;	2714	$self->enter_link;
1828		2715
1829	(async {	2716	(async {
1830	my $map = cf::map::find $path;	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
		2738	my $map = eval {
		2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
1832		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2744	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
1837		2747
		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 $@;
		2754	}
		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1839	})->prio (1);	2762	})->prio (1);
1840	}	2763	}
1841		2764
1842	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1843		2766
…		…
1863	}	2786	}
1864		2787
1865	sub prepare_random_map {	2788	sub prepare_random_map {
1866	my ($exit) = @_;	2789	my ($exit) = @_;
1867		2790
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2793	# that depends on the exit object
1873		2794
1874	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
1875		2796
1876	if ($exit->map) {	2797	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2798	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1881	}	2804	}
1882		2805
1883	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1884		2807
1885	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1888		2811
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2814	undef $fh;
1892	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1893		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1896	}	2823	}
1897	}	2824	}
1898		2825
1899	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
…		…
1902	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1903		2830
1904	$self->enter_link;	2831	$self->enter_link;
1905		2832
1906	(async {	2833	(async {
1907	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1908	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
1909	prepare_random_map $exit	2843	prepare_random_map $exit
1910	if $exit->slaying eq "/!";	2844	if $exit->slaying eq "/!";
		2845	}
1911		2846
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
1914		2850
		2851	$self->goto ($map, $x, $y);
		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
1915	1;	2857	1
1916	}) {	2858	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1918	. "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. "
1919	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2863
1922	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1923	$self->leave_link;	2865	$self->leave_link;
1924	}	2866	}
1925	})->prio (1);	2867	})->prio (1);
1926	}	2868	}
1927		2869
…		…
1938		2880
1939	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1941		2883
1942	utf8::encode $text;	2884	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	2886	}
1945		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	}
1946		3109
1947	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1948		3111
1949	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
1950	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>,
1951	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>.
1952		3115
1953	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
1954	reliable at some point in the future.	3117	become reliable at some point in the future.
1955		3118
1956	=cut	3119	=cut
1957		3120
1958	sub cf::client::query {	3121	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	3130	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		3132
1970	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
1972	}	3137	}
1973		3138
1974	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	},
1975	on_reply => sub {	3145	on_reply => sub {
1976	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
1977		3147
1978	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
1979	# get handled first	3149	# get handled first
1980	my $queue = delete $ns->{query_queue}	3150	my $queue = delete $ns->{query_queue}
1981	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
1982		3152
1983	(shift @$queue)->[1]->($msg);	3153	(shift @$queue)->[1]->($msg);
		3154	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		3155
1985	push @{ $ns->{query_queue} }, @$queue;	3156	push @{ $ns->{query_queue} }, @$queue;
1986		3157
1987	if (@{ $ns->{query_queue} } == @$queue) {	3158	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	3159	if (@$queue) {
…		…
1990	} else {	3161	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	3163	}
1993	}	3164	}
1994	},	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	},
1995	);	3192	);
1996		3193
1997	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
1998		3195
1999	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2015		3212
2016	$coro	3213	$coro
2017	}	3214	}
2018		3215
2019	cf::client->attach (	3216	cf::client->attach (
2020	on_destroy => sub {	3217	on_client_destroy => sub {
2021	my ($ns) = @_;	3218	my ($ns) = @_;
2022		3219
2023	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2024	},	3221	},
2025	);	3222	);
…		…
2040	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2041	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2042		3239
2043	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2044		3241
2045	$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	));
2046		3247
2047	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2048		3249
2049	=pod	3250	=pod
2050		3251
2051	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2052		3253
2053	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
2054	cf::object::player player	3259	cf::object::player
2055	cf::player peaceful	3260	player
2056	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2057		3267
2058	=cut	3268	=cut
2059		3269
2060	for (	3270	for (
2061	["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)],
2062	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2064	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2065	) {	3277	) {
2066	no strict 'refs';
2067	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2068	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2069	for @funs;	3280	for @funs;
2070	}	3281	}
2071		3282
…		…
2086		3297
2087	my $qcode = $code;	3298	my $qcode = $code;
2088	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2089	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2090		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2091	local $_;	3305	local $_;
2092	local @safe::cf::_safe_eval_args = values %vars;
2093		3306
2094	my $eval =	3307	my $eval =
2095	"do {\n"	3308	"do {\n"
2096	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2097	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2098	. $code	3311	. $code
2099	. "\n}"	3312	. "\n}"
2100	;	3313	;
2101		3314
		3315	if ($CFG{safe_eval}) {
2102	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2103	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2104	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2105		3324
2106	if ($@) {	3325	if ($@) {
2107	warn "$@";	3326	warn "$@",
2108	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2109	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2110	}	3329	}
2111		3330
2112	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2113	}	3332	}
2114		3333
…		…
2128	=cut	3347	=cut
2129		3348
2130	sub register_script_function {	3349	sub register_script_function {
2131	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2132		3351
2133	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2134	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2135	}	3354	}
2136		3355
2137	=back	3356	=back
2138		3357
2139	=cut	3358	=cut
2140		3359
2141	#############################################################################	3360	#############################################################################
		3361	# the server's init and main functions
2142		3362
2143	=head2 EXTENSION DATABASE SUPPORT	3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
2144		3366
2145	Crossfire maintains a very simple database for extension use. It can	3367	if (in_main && !tick_inhibit) {
2146	currently store anything that can be serialised using Storable, which	3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
2147	excludes objects.	3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
2148		3372
2149	The parameter C<$family> should best start with the name of the extension	3373	# 1. find real file
2150	using it, it should be unique.	3374	for my $dir (@ORIG_INC) {
		3375	warn "$dir/$mod\n";#d#
		3376	ref $dir and next;
		3377	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3378	or next;
2151		3379
2152	=over 4	3380	$data = "#line 1 $dir/$mod\n$data";
2153		3381
2154	=item $hashref = cf::db_get $family	3382	open my $fh, "<", \$data or die;
2155		3383
2156	Return a hashref for use by the extension C<$family>, which can be	3384	return $fh;
2157	modified. After modifications, you have to call C<cf::db_dirty> or	3385	}
2158	C<cf::db_sync>.
2159		3386
2160	=item $value = cf::db_get $family => $key	3387	()
		3388	}
2161		3389
2162	Returns a single value from the database	3390	sub init_inc {
		3391	# save original @INC
		3392	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
2163		3393
2164	=item cf::db_put $family => $hashref	3394	# make sure we can do scalar-opens
		3395	open my $dummy, "<", \my $dummy2;
2165		3396
2166	Stores the given family hashref into the database. Updates are delayed, if	3397	# execute some stuff so perl load's some of the core modules
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3398	/Ü/ =~ /ü/i;
		3399	eval { &Storable::nstore_fd };
2168		3400
2169	=item cf::db_put $family => $key => $value	3401	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
2170		3402
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you	3403	debug "module loading will be asynchronous from this point on.";
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.	3404	}
2173		3405
2174	=item cf::db_dirty	3406	sub load_facedata($) {
		3407	my ($path) = @_;
2175		3408
2176	Marks the database as dirty, to be updated at a later time.	3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
2177		3412
2178	=item cf::db_sync	3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2179		3414
2180	Immediately write the database to disk I<if it is dirty>.	3415	trace "loading facedata from $path\n";
2181		3416
2182	=cut	3417	my $facedata;
		3418	0 < aio_load $path, $facedata
		3419	or die "$path: $!";
2183		3420
2184	our $DB;	3421	$facedata = Coro::Storable::thaw $facedata;
2185		3422
2186	{	3423	$facedata->{version} == 2
2187	my $path = cf::localdir . "/database.pst";	3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2188		3425
2189	sub db_load() {	3426	# patch in the exptable
2190	$DB = stat $path ? Storable::retrieve $path : { };	3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
2191	}	3432	};
		3433	cf::cede_to_tick;
2192		3434
2193	my $pid;
2194
2195	sub db_save() {
2196	waitpid $pid, 0 if $pid;
2197	if (0 == ($pid = fork)) {
2198	$DB->{_meta}{version} = 1;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}
2203	}	3435	{
		3436	my $faces = $facedata->{faceinfo};
2204		3437
2205	my $dirty;	3438	while (my ($face, $info) = each %$faces) {
		3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206		3440
2207	sub db_sync() {	3441	cf::face::set_visibility $idx, $info->{visibility};
2208	db_save if $dirty;	3442	cf::face::set_magicmap $idx, $info->{magicmap};
2209	undef $dirty;	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2210	}	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2211		3445
2212	my $idle = Event->idle (	3446	cf::cede_to_tick;
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} ||= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	3447	}
2246	);
2247	}
2248		3448
2249	#############################################################################	3449	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	3450	next unless $info->{smooth};
2251		3451
2252	sub cfg_load {	3452	my $idx = cf::face::find $face
		3453	or next;
		3454
		3455	if (my $smooth = cf::face::find $info->{smooth}) {
		3456	cf::face::set_smooth $idx, $smooth;
		3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3458	} else {
		3459	error "smooth face '$info->{smooth}' not found for face '$face'";
		3460	}
		3461
		3462	cf::cede_to_tick;
		3463	}
		3464	}
		3465
		3466	{
		3467	my $anims = $facedata->{animinfo};
		3468
		3469	while (my ($anim, $info) = each %$anims) {
		3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3471	cf::cede_to_tick;
		3472	}
		3473
		3474	cf::anim::invalidate_all; # d'oh
		3475	}
		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
		3496	1
		3497	}
		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
		3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
		3522	load_resource_file "$MAPDIR/regions"
		3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
		3529	}
		3530
		3531	sub reload_facedata {
		3532	load_facedata "$DATADIR/facedata"
		3533	or die "unable to load facedata\n";
		3534	}
		3535
		3536	sub reload_archetypes {
		3537	load_resource_file "$DATADIR/archetypes"
		3538	or die "unable to load archetypes\n";
		3539	}
		3540
		3541	sub reload_treasures {
		3542	load_resource_file "$DATADIR/treasures"
		3543	or die "unable to load treasurelists\n";
		3544	}
		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
		3569	sub reload_resources {
		3570	trace "reloading resource files...\n";
		3571
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
		3575	reload_regions;
		3576	reload_treasures;
		3577
		3578	trace "finished reloading resource files\n";
		3579	}
		3580
		3581	sub reload_config {
		3582	trace "reloading config file...\n";
		3583
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3584	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3585	or return;
2255		3586
2256	local $/;	3587	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = YAML::XS::Load scalar <$fh>;
2258		3589
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2260		3591
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2263		3594
2264	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3597	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2267	and die "WARNING: m(un)lockall failed: $!\n";	3598	and die "WARNING: m(un)lockall failed: $!\n";
2268	};	3599	};
2269	warn $@ if $@;	3600	warn $@ if $@;
2270	}	3601	}
		3602
		3603	trace "finished reloading resource files\n";
		3604	}
		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
2271	}	3632	}
2272		3633
2273	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2274	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2275	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2277	(async {	3647	(async {
2278	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2279	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2280	};	3651	};
2281		3652
2282	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
2283	db_load;	3654
		3655	cf::sync_job {
		3656	init_inc;
		3657
		3658	cf::init_experience;
		3659	cf::init_anim;
		3660	cf::init_attackmess;
		3661	cf::init_dynamic;
		3662
		3663	cf::load_settings;
		3664	cf::load_materials;
		3665
		3666	reload_resources;
		3667	reload_config;
		3668	db_init;
		3669
		3670	cf::init_uuid;
		3671	cf::init_signals;
		3672	cf::init_skills;
		3673
		3674	cf::init_beforeplay;
		3675
		3676	atomic;
		3677
2284	load_extensions;	3678	load_extensions;
2285		3679
2286	$TICK_WATCHER->start;	3680	utime time, time, $RUNTIMEFILE;
2287	Event::loop;	3681
		3682	# no (long-running) fork's whatsoever before this point(!)
		3683	use POSIX ();
		3684	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3685
		3686	(pop @POST_INIT)->(0) while @POST_INIT;
		3687	};
		3688
		3689	cf::object::thawer::errors_are_fatal 0;
		3690	info "parse errors in files are no longer fatal from this point on.\n";
		3691
		3692	my $free_main; $free_main = EV::idle sub {
		3693	undef $free_main;
		3694	undef &main; # free gobs of memory :)
		3695	};
		3696
		3697	goto &main_loop;
2288	}	3698	}
2289		3699
2290	#############################################################################	3700	#############################################################################
2291	# initialisation and cleanup	3701	# initialisation and cleanup
2292		3702
2293	# install some emergency cleanup handlers	3703	# install some emergency cleanup handlers
2294	BEGIN {	3704	BEGIN {
		3705	our %SIGWATCHER = ();
2295	for my $signal (qw(INT HUP TERM)) {	3706	for my $signal (qw(INT HUP TERM)) {
2296	Event->signal (	3707	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2297	reentrant => 0,
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	prio => 0,
2301	cb => sub {
2302	cf::cleanup "SIG$signal";	3708	cf::cleanup "SIG$signal";
2303	},
2304	);	3709	};
		3710	}
		3711	}
		3712
		3713	sub write_runtime_sync {
		3714	my $t0 = AE::time;
		3715
		3716	# first touch the runtime file to show we are still running:
		3717	# the fsync below can take a very very long time.
		3718
		3719	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3720
		3721	my $guard = cf::lock_acquire "write_runtime";
		3722
		3723	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3724	or return;
		3725
		3726	my $value = $cf::RUNTIME + 90 + 10;
		3727	# 10 is the runtime save interval, for a monotonic clock
		3728	# 60 allows for the watchdog to kill the server.
		3729
		3730	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3731	and return;
		3732
		3733	# always fsync - this file is important
		3734	aio_fsync $fh
		3735	and return;
		3736
		3737	# touch it again to show we are up-to-date
		3738	aio_utime $fh, undef, undef;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3744	and return;
		3745
		3746	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3747
2305	}	3748	1
		3749	}
		3750
		3751	our $uuid_lock;
		3752	our $uuid_skip;
		3753
		3754	sub write_uuid_sync($) {
		3755	$uuid_skip ||= $_[0];
		3756
		3757	return if $uuid_lock;
		3758	local $uuid_lock = 1;
		3759
		3760	my $uuid = "$LOCALDIR/uuid";
		3761
		3762	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3763	or return;
		3764
		3765	my $value = uuid_seq uuid_cur;
		3766
		3767	unless ($value) {
		3768	info "cowardly refusing to write zero uuid value!\n";
		3769	return;
		3770	}
		3771
		3772	my $value = uuid_str $value + $uuid_skip;
		3773	$uuid_skip = 0;
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	close $fh
		3783	or return;
		3784
		3785	aio_rename "$uuid~", $uuid
		3786	and return;
		3787
		3788	trace "uuid file written ($value).\n";
		3789
		3790	1
		3791
		3792	}
		3793
		3794	sub write_uuid($$) {
		3795	my ($skip, $sync) = @_;
		3796
		3797	$sync ? write_uuid_sync $skip
		3798	: async { write_uuid_sync $skip };
2306	}	3799	}
2307		3800
2308	sub emergency_save() {	3801	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	3802	my $freeze_guard = cf::freeze_mainloop;
2310		3803
2311	warn "enter emergency perl save\n";	3804	info "emergency_perl_save: enter\n";
		3805
		3806	# this is a trade-off: we want to be very quick here, so
		3807	# save all maps without fsync, and later call a global sync
		3808	# (which in turn might be very very slow)
		3809	local $USE_FSYNC = 0;
2312		3810
2313	cf::sync_job {	3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
		3813
2314	# use a peculiar iteration method to avoid tripping on perl	3814	# use a peculiar iteration method to avoid tripping on perl
2315	# refcount bugs in for. also avoids problems with players	3815	# refcount bugs in for. also avoids problems with players
2316	# and maps saved/destroyed asynchronously.	3816	# and maps saved/destroyed asynchronously.
2317	warn "begin emergency player save\n";	3817	info "emergency_perl_save: begin player save\n";
2318	for my $login (keys %cf::PLAYER) {	3818	for my $login (keys %cf::PLAYER) {
2319	my $pl = $cf::PLAYER{$login} or next;	3819	my $pl = $cf::PLAYER{$login} or next;
2320	$pl->valid or next;	3820	$pl->valid or next;
		3821	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321	$pl->save;	3822	$pl->save;
2322	}	3823	}
2323	warn "end emergency player save\n";	3824	info "emergency_perl_save: end player save\n";
2324		3825
2325	warn "begin emergency map save\n";	3826	cf::write_runtime_sync; # external watchdog should not bark
		3827
		3828	info "emergency_perl_save: begin map save\n";
2326	for my $path (keys %cf::MAP) {	3829	for my $path (keys %cf::MAP) {
2327	my $map = $cf::MAP{$path} or next;	3830	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	3831	$map->valid or next;
2329	$map->save;	3832	$map->save;
2330	}	3833	}
2331	warn "end emergency map save\n";	3834	info "emergency_perl_save: end map save\n";
		3835
		3836	cf::write_runtime_sync; # external watchdog should not bark
		3837
		3838	info "emergency_perl_save: begin database checkpoint\n";
		3839	BDB::db_env_txn_checkpoint $DB_ENV;
		3840	info "emergency_perl_save: end database checkpoint\n";
		3841
		3842	info "emergency_perl_save: begin write uuid\n";
		3843	write_uuid_sync 1;
		3844	info "emergency_perl_save: end write uuid\n";
		3845
		3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	trace "emergency_perl_save: syncing database to disk";
		3849	BDB::db_env_txn_checkpoint $DB_ENV;
		3850
		3851	info "emergency_perl_save: starting sync\n";
		3852	IO::AIO::aio_sync sub {
		3853	info "emergency_perl_save: finished sync\n";
		3854	};
		3855
		3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	trace "emergency_perl_save: flushing outstanding aio requests";
		3859	while (IO::AIO::nreqs || BDB::nreqs) {
		3860	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3861	}
		3862
		3863	cf::write_runtime_sync; # external watchdog should not bark
2332	};	3864	};
2333		3865
2334	warn "leave emergency perl save\n";	3866	info "emergency_perl_save: leave\n";
2335	}	3867	}
2336		3868
		3869	sub post_cleanup {
		3870	my ($make_core) = @_;
		3871
		3872	IO::AIO::flush;
		3873
		3874	error Carp::longmess "post_cleanup backtrace"
		3875	if $make_core;
		3876
		3877	my $fh = pidfile;
		3878	unlink $PIDFILE if <$fh> == $$;
		3879	}
		3880
		3881	# a safer delete_package, copied from Symbol
		3882	sub clear_package($) {
		3883	my $pkg = shift;
		3884
		3885	# expand to full symbol table name if needed
		3886	unless ($pkg =~ /^main::.*::$/) {
		3887	$pkg = "main$pkg" if $pkg =~ /^::/;
		3888	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3889	$pkg .= '::' unless $pkg =~ /::$/;
		3890	}
		3891
		3892	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3893	my $stem_symtab = *{$stem}{HASH};
		3894
		3895	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3896	or return;
		3897
		3898	# clear all symbols
		3899	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3900	for my $name (keys %$leaf_symtab) {
		3901	_gv_clear *{"$pkg$name"};
		3902	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3903	}
		3904	}
		3905
2337	sub reload() {	3906	sub do_reload_perl() {
2338	# can/must only be called in main	3907	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	3908	if (in_main) {
2340	warn "can only reload from main coroutine";	3909	error "can only reload from main coroutine";
2341	return;	3910	return;
2342	}	3911	}
2343		3912
		3913	return if $RELOAD++;
		3914
		3915	my $t1 = AE::time;
		3916
		3917	while ($RELOAD) {
2344	warn "reloading...";	3918	info "reloading...";
2345		3919
2346	warn "cancelling server ticker";	3920	trace "entering sync_job";
2347	$TICK_WATCHER->cancel;
2348		3921
		3922	cf::sync_job {
2349	cf::emergency_save;	3923	cf::emergency_save;
2350		3924
2351	eval {
2352	# if anything goes wrong in here, we should simply crash as we already saved
2353
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356
2357	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}
2361
2362	warn "flushing outstanding aio requests";
2363	for (;;) {
2364	IO::AIO::flush;
2365	Coro::cede;
2366	last unless IO::AIO::nreqs;
2367	warn "iterate...";
2368	}
2369
2370	warn "cancelling all extension coros";	3925	trace "cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;	3926	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();	3927	%EXT_CORO = ();
2373		3928
2374	warn "removing commands";	3929	trace "removing commands";
2375	%COMMAND = ();	3930	%COMMAND = ();
2376		3931
2377	warn "removing ext commands";	3932	trace "removing ext/exti commands";
2378	%EXTCMD = ();	3933	%EXTCMD = ();
		3934	%EXTICMD = ();
2379		3935
2380	warn "unloading/nuking all extensions";	3936	trace "unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {	3937	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";	3938	trace "... unloading $pkg";
2383		3939
2384	if (my $cb = $pkg->can ("unload")) {	3940	if (my $cb = $pkg->can ("unload")) {
2385	eval {	3941	eval {
2386	$cb->($pkg);	3942	$cb->($pkg);
2387	1	3943	1
2388	} or warn "$pkg unloaded, but with errors: $@";	3944	} or error "$pkg unloaded, but with errors: $@";
		3945	}
		3946
		3947	trace "... clearing $pkg";
		3948	clear_package $pkg;
2389	}	3949	}
2390		3950
2391	warn "... nuking $pkg";
2392	Symbol::delete_package $pkg;
2393	}
2394
2395	warn "unloading all perl modules loaded from $LIBDIR";	3951	trace "unloading all perl modules loaded from $LIBDIR";
2396	while (my ($k, $v) = each %INC) {	3952	while (my ($k, $v) = each %INC) {
2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3953	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2398		3954
2399	warn "... unloading $k";	3955	trace "... unloading $k";
2400	delete $INC{$k};	3956	delete $INC{$k};
2401		3957
2402	$k =~ s/\.pm$//;	3958	$k =~ s/\.pm$//;
2403	$k =~ s/\//::/g;	3959	$k =~ s/\//::/g;
2404		3960
2405	if (my $cb = $k->can ("unload_module")) {	3961	if (my $cb = $k->can ("unload_module")) {
2406	$cb->();	3962	$cb->();
		3963	}
		3964
		3965	clear_package $k;
2407	}	3966	}
2408		3967
2409	Symbol::delete_package $k;
2410	}
2411
2412	warn "getting rid of safe::, as good as possible";	3968	trace "getting rid of safe::, as good as possible";
2413	Symbol::delete_package "safe::$_"	3969	clear_package "safe::$_"
2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3970	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2415		3971
2416	warn "unloading cf.pm \"a bit\"";	3972	trace "unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	3973	delete $INC{"cf.pm"};
		3974	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2418		3975
2419	# don't, removes xs symbols, too,	3976	# don't, removes xs symbols, too,
2420	# and global variables created in xs	3977	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	3978	#clear_package __PACKAGE__;
2422		3979
2423	warn "unload completed, starting to reload now";	3980	info "unload completed, starting to reload now";
2424		3981
2425	warn "reloading cf.pm";	3982	trace "reloading cf.pm";
2426	require cf;	3983	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3984	cf::_connect_to_perl_1;
2428		3985
2429	warn "loading config and database again";	3986	trace "loading config and database again";
2430	cf::cfg_load;	3987	cf::reload_config;
2431	cf::db_load;
2432		3988
2433	warn "loading extensions";	3989	trace "loading extensions";
2434	cf::load_extensions;	3990	cf::load_extensions;
2435		3991
		3992	if ($REATTACH_ON_RELOAD) {
2436	warn "reattaching attachments to objects/players";	3993	trace "reattaching attachments to objects/players";
2437	_global_reattach;	3994	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	3995	trace "reattaching attachments to maps";
2439	reattach $_ for values %MAP;	3996	reattach $_ for values %MAP;
		3997	trace "reattaching attachments to players";
		3998	reattach $_ for values %PLAYER;
		3999	}
2440		4000
2441	warn "restarting server ticker";	4001	trace "running post_init jobs";
		4002	(pop @POST_INIT)->(1) while @POST_INIT;
2442		4003
2443	$TICK_WATCHER->start;	4004	trace "leaving sync_job";
		4005
		4006	1
		4007	} or do {
		4008	error $@;
		4009	cf::cleanup "error while reloading, exiting.";
		4010	};
		4011
		4012	info "reloaded";
		4013	--$RELOAD;
		4014	}
		4015
		4016	$t1 = AE::time - $t1;
		4017	info "reload completed in ${t1}s\n";
		4018	};
		4019
		4020	our $RELOAD_WATCHER; # used only during reload
		4021
		4022	sub reload_perl() {
		4023	# doing reload synchronously and two reloads happen back-to-back,
		4024	# coro crashes during coro_state_free->destroy here.
		4025
		4026	$RELOAD_WATCHER ||= cf::async {
		4027	Coro::AIO::aio_wait cache_extensions;
		4028
		4029	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4030	do_reload_perl;
		4031	undef $RELOAD_WATCHER;
		4032	};
2444	};	4033	};
2445		4034	}
2446	if ($@) {
2447	warn $@;
2448	warn "error while reloading, exiting.";
2449	exit 1;
2450	}
2451
2452	warn "reloaded";
2453	};
2454
2455	our $RELOAD_WATCHER; # used only during reload
2456		4035
2457	register_command "reload" => sub {	4036	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	4037	my ($who, $arg) = @_;
2459		4038
2460	if ($who->flag (FLAG_WIZ)) {	4039	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	4040	$who->message ("reloading server.");
2462		4041	async {
2463	# doing reload synchronously and two reloads happen back-to-back,	4042	$Coro::current->{desc} = "perl_reload";
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER ||= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;	4043	reload_perl;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);	4044	};
2475	}	4045	}
2476	};	4046	};
2477		4047
2478	unshift @INC, $LIBDIR;	4048	#############################################################################
2479		4049
2480	my $bug_warning = 0;	4050	my $bug_warning = 0;
2481		4051
2482	$TICK_WATCHER = Event->timer (	4052	our @WAIT_FOR_TICK;
2483	reentrant => 0,	4053	our @WAIT_FOR_TICK_BEGIN;
2484	parked => 1,	4054
2485	prio => 0,	4055	sub wait_for_tick {
2486	at => $NEXT_TICK || $TICK,	4056	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2487	data => WF_AUTOCANCEL,	4057
2488	cb => sub {	4058	my $signal = new Coro::Signal;
		4059	push @WAIT_FOR_TICK, $signal;
		4060	$signal->wait;
		4061	}
		4062
		4063	sub wait_for_tick_begin {
		4064	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4065
		4066	my $signal = new Coro::Signal;
		4067	push @WAIT_FOR_TICK_BEGIN, $signal;
		4068	$signal->wait;
		4069	}
		4070
		4071	sub tick {
2489	if ($Coro::current != $Coro::main) {	4072	if ($Coro::current != $Coro::main) {
2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4073	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491	unless ++$bug_warning > 10;	4074	unless ++$bug_warning > 10;
2492	return;	4075	return;
2493	}	4076	}
2494		4077
2495	$NOW = Event::time;
2496
2497	cf::server_tick; # one server iteration	4078	cf::server_tick; # one server iteration
2498	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;
2500		4079
2501	$WAIT_FOR_TICK->broadcast;	4080	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2503		4081
2504	Event::sweep;	4082	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2505	Coro::cede_notself;	4083	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4084	Coro::async_pool {
		4085	$Coro::current->{desc} = "runtime saver";
		4086	write_runtime_sync
		4087	or error "ERROR: unable to write runtime file: $!";
		4088	};
		4089	}
		4090
		4091	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4092	$sig->send;
		4093	}
		4094	while (my $sig = shift @WAIT_FOR_TICK) {
		4095	$sig->send;
		4096	}
		4097
		4098	$LOAD = ($NOW - $TICK_START) / $TICK;
		4099	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4100
		4101	if (0) {
		4102	if ($NEXT_TICK) {
		4103	my $jitter = $TICK_START - $NEXT_TICK;
		4104	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4105	debug "jitter $JITTER\n";#d#
2506		4106	}
2507	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#
2509
2510	# if we are delayed by four ticks or more, skip them all
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2512
2513	$TICK_WATCHER->at ($NEXT_TICK);
2514	$TICK_WATCHER->start;
2515	},	4107	}
2516	);	4108	}
2517		4109
		4110	{
		4111	# configure BDB
		4112
		4113	BDB::min_parallel 16;
		4114	BDB::max_poll_reqs $TICK * 0.1;
		4115	$AnyEvent::BDB::WATCHER->priority (1);
		4116
		4117	unless ($DB_ENV) {
		4118	$DB_ENV = BDB::db_env_create;
		4119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4120	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4121	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4122	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4123	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4124
		4125	cf::sync_job {
		4126	eval {
		4127	BDB::db_env_open
		4128	$DB_ENV,
		4129	$BDBDIR,
		4130	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4131	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4132	0666;
		4133
		4134	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4135	};
		4136
		4137	cf::cleanup "db_env_open(db): $@" if $@;
		4138	};
		4139	}
		4140
		4141	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4142	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4143	};
		4144	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4145	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4146	};
		4147	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4148	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4149	};
		4150	}
		4151
		4152	{
		4153	# configure IO::AIO
		4154
		4155	IO::AIO::min_parallel 8;
2518	IO::AIO::max_poll_time $TICK * 0.1;	4156	IO::AIO::max_poll_time $TICK * 0.1;
		4157	undef $AnyEvent::AIO::WATCHER;
		4158	}
2519		4159
2520	undef $Coro::AIO::WATCHER;	4160	my $_log_backtrace;
2521	$AIO_POLL_WATCHER = Event->io (
2522	reentrant => 0,
2523	fd => IO::AIO::poll_fileno,
2524	poll => 'r',
2525	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,
2528	);
2529		4161
2530	$WRITE_RUNTIME_WATCHER = Event->timer (	4162	sub _log_backtrace {
2531	reentrant => 0,	4163	my ($msg, @addr) = @_;
2532	data => WF_AUTOCANCEL,	4164
2533	after => 1,	4165	$msg =~ s/\n//;
2534	interval => 10,	4166
2535	prio => 6, # keep it lowest so it acts like a watchdog	4167	# limit the # of concurrent backtraces
2536	cb => Coro::unblock_sub {	4168	if ($_log_backtrace < 2) {
2537	write_runtime	4169	++$_log_backtrace;
2538	or warn "ERROR: unable to write runtime file: $!";	4170	my $perl_bt = Carp::longmess $msg;
		4171	async {
		4172	$Coro::current->{desc} = "abt $msg";
		4173
		4174	my @bt = fork_call {
		4175	@addr = map { sprintf "%x", $_ } @addr;
		4176	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4177	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4178	or die "addr2line: $!";
		4179
		4180	my @funcs;
		4181	my @res = <$fh>;
		4182	chomp for @res;
		4183	while (@res) {
		4184	my ($func, $line) = splice @res, 0, 2, ();
		4185	push @funcs, "[$func] $line";
		4186	}
		4187
		4188	@funcs
		4189	};
		4190
		4191	LOG llevInfo, "[ABT] $perl_bt\n";
		4192	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4193	LOG llevInfo, "[ABT] $_\n" for @bt;
		4194	--$_log_backtrace;
		4195	};
		4196	} else {
		4197	LOG llevInfo, "[ABT] $msg\n";
		4198	LOG llevInfo, "[ABT] [suppressed]\n";
2539	},	4199	}
2540	);	4200	}
		4201
		4202	# load additional modules
		4203	require "cf/$_.pm" for @EXTRA_MODULES;
		4204	cf::_connect_to_perl_2;
2541		4205
2542	END { cf::emergency_save }	4206	END { cf::emergency_save }
2543		4207
2544	1	4208	1
2545		4209

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