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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.210 by root, Mon Feb 12 01:32:49 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 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		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";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
54	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
55	our $NEXT_TICK;	121	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
61		130
62	our %CFG;	131	our %CFG;
63		132
64	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
66		136
67	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		140
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REALLY_UNLOOP; # never set to true, please :)
		153
79	binmode STDOUT;	154	binmode STDOUT;
80	binmode STDERR;	155	binmode STDERR;
81		156
82	# read virtual server time, if available	157	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
87	}	162	}
88		163
89	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	165
91	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		168
96	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
97		170
98	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		187
100	#############################################################################	188	#############################################################################
101		189
102	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
103		191
…		…
110	=item $cf::RUNTIME	198	=item $cf::RUNTIME
111		199
112	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
113	every server tick.	201	every server tick.
114		202
115	=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
116		206
117	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		211
120	=item $cf::NOW	212	=item $cf::NOW
121		213
122	The time of the last (current) server tick.	214	The time of the last (current) server tick.
123		215
124	=item $cf::TICK	216	=item $cf::TICK
125		217
126	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	230	=item %cf::CFG
129		231
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	233	from wherever your confdir points to.
132		234
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		236
135	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
136	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
137	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.
138	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.
139		252
140	=back	253	=back
141		254
142	=cut	255	=cut
143		256
144	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	264	my $msg = join "", @_;
147	utf8::encode $msg;
148		265
149	$msg .= "\n"	266	$msg .= "\n"
150	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
151		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
152	LOG llevError, $msg;	271	LOG llevWarn, $msg;
153	};	272	};
154	}	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	};
155		287
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		295
163	# 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
164	# within the Safe compartment.	297	# within the Safe compartment.
165	for my $pkg (qw(	298	for my $pkg (qw(
166	cf::global cf::attachable	299	cf::global cf::attachable
167	cf::object cf::object::player	300	cf::object cf::object::player
168	cf::client cf::player	301	cf::client cf::player
169	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
170	cf::map cf::party cf::region	304	cf::party cf::region
171	)) {	305	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	307	}
175		308
176	$Event::DIED = sub {	309	$EV::DIED = sub {
177	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
178	};	311	};
		312
		313	#############################################################################
179		314
180	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
181		316
182	=over 4	317	=over 4
183		318
…		…
202	$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;
203	$d	338	$d
204	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
205	}	340	}
206		341
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
210		343
211	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
212		345
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
221		347
222	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
223		349
224	=cut	350	=cut
225		351
226	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
228	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;
229	}	369	}
230		370
231	=item cf::lock_wait $string	371	=item cf::lock_wait $string
232		372
233	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
234		374
235	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
236		376
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
240	returned.	380	returned.
241		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
242	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
243	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
244		387
245	=cut	388	=item $locked = cf::lock_active $string
246		389
247	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
248		395
249	sub lock_wait($) {	396	sub lock_wait($) {
250	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	398	}
258		399
259	sub lock_acquire($) {	400	sub lock_acquire($) {
260	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
261		403
262	# wait, to be sure we are not locked	404	sub lock_active($) {
263	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	406	}
272		407
273	sub freeze_mainloop {	408	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
275		410
276	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	412	}
278	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
279	};	478	}
280	$WRITE_RUNTIME_WATCHER->stop;	479	};
281	$TICK_WATCHER->stop;	480
282	$guard	481	sub get_slot($;$$) {
		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	$sig->wait;
283	}	494	}
284		495
285	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
286		497
287	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		503
293	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
294		505
295	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
296		507
297	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
300		512
301	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
304	fast or be very important.	516	fast or be very important.
…		…
306	=cut	518	=cut
307		519
308	sub sync_job(&) {	520	sub sync_job(&) {
309	my ($job) = @_;	521	my ($job) = @_;
310		522
311	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
312	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
314		528
315	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	530
317	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
318		532
319	my $busy = 1;	533	my $busy = 1;
320	my @res;	534	my @res;
321		535
322	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	538	@res = eval { $job->() };
324	warn $@ if $@;	539	error $@ if $@;
325	undef $busy;	540	undef $busy;
326	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
327		542
328	while ($busy) {	543	while ($busy) {
329	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
330	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
331		554
332	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
333	} else {	556	} else {
334	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
335		558
…		…
355	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
356		579
357	$coro	580	$coro
358	}	581	}
359		582
360	sub write_runtime {	583	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		584
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
364	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.
365		589
366	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		591
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
371	and return;	593	my ($cb, @args) = @_;
372		594
373	# always fsync - this file is important	595	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	596	# otherwise perl prematurely frees the stuff :/
375	and return;	597	# TODO: investigate and fix (likely this will be rather laborious)
376		598
377	close $fh	599	my @res = Coro::Util::fork_eval {
378	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
379		603
380	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
381	and return;	605	}
382		606
		607	sub objinfo {
383	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 });
384	}	783	}
385		784
386	=back	785	=back
387		786
388	=cut	787	=cut
389		788
390	#############################################################################	789	#############################################################################
391		790
392	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
393		792
394	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
395	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")
396	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
397		796
398	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>
399	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
400	crossfire+).	799	Deliantra).
401		800
402	=over 4	801	=over 4
403		802
404	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
405		804
…		…
449	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
450		849
451	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
453		852
454	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		855
457	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
458		857
459	=over 4	858	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
569		968
570	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		973
575	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	975	my $pkg = shift @arg;
577		976
578	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
583		982
584	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		985
587	} elsif (ref $type) {	986	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
589		988
590	} else {	989	} else {
591	shift @arg;	990	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
593	}	992	}
594	}	993	}
595	}	994	}
596		995
597	sub _object_attach {	996	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
608	}	1007	}
609		1008
610	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
611	} else {	1010	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1012	}
614		1013
615	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
616	}	1015	}
617		1016
…		…
619	if (ref $_[0]) {	1018	if (ref $_[0]) {
620	_object_attach @_;	1019	_object_attach @_;
621	} else {	1020	} else {
622	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
623	}	1022	}
		1023	_recalc_want;
624	};	1024	};
625		1025
626	# all those should be optimised	1026	# all those should be optimised
627	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1032	reattach ($obj);
633	} else {	1033	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
635	}	1035	}
		1036	_recalc_want;
636	};	1037	};
637		1038
638	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
640		1041
…		…
655	";	1056	";
656	die if $@;	1057	die if $@;
657	}	1058	}
658		1059
659	our $override;	1060	our $override;
660	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?
661		1062
662	sub override {	1063	sub override {
663	$override = 1;	1064	$override = 1;
664	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
665	}	1066	}
666		1067
667	sub do_invoke {	1068	sub do_invoke {
668	my $event = shift;	1069	my $event = shift;
669	my $callbacks = shift;	1070	my $callbacks = shift;
670		1071
671	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
672		1073
673	local $override;	1074	local $override;
674		1075
675	for (@$callbacks) {	1076	for (@$callbacks) {
676	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
677		1078
678	if ($@) {	1079	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1081	override;
682	}	1082	}
683		1083
684	return 1 if $override;	1084	return 1 if $override;
685	}	1085	}
686		1086
687	0	1087	0
688	}	1088	}
689		1089
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1091
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1093
694	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
695		1095
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1099
700	=back	1100	=back
701		1101
702	=cut	1102	=cut
703		1103
704	#############################################################################	1104	#############################################################################
705	# 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, $ob2
		1147	}
706		1148
707	sub reattach {	1149	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1151	my ($obj) = @_;
710		1152
		1153	# no longer needed after getting rid of delete_package?
711	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
712		1155
713	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
714		1157
715	@$registry = ();	1158	@$registry = ();
716		1159
…		…
721	for (@$attach) {	1164	for (@$attach) {
722	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
724	}	1167	}
725	} else {	1168	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1170	}
728	}	1171	}
729	}	1172	}
730		1173
731	cf::attachable->attach (	1174	cf::attachable->attach (
732	prio => -1000000,	1175	prio => -1000000,
733	on_instantiate => sub {	1176	on_instantiate => sub {
734	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
735		1178
736	$data = from_json $data;	1179	$data = decode_json $data;
737		1180
738	for (@$data) {	1181	for (@$data) {
739	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
740		1183
741	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1200	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
759		1202
760	sync_job {	1203	sync_job {
761	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
764		1209
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($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;
		1215	aio_fsync $fh;
		1216	}
769	close $fh;	1217	aio_close $fh;
770		1218
771	if (@$objs) {	1219	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($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;
		1226	aio_fsync $fh;
		1227	}
777	close $fh;	1228	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
779	}	1230	}
780	} else {	1231	} else {
781	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
782	}	1233	}
783		1234
784	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1239	} else {
786	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
787	}	1241	}
788	} else {	1242	} else {
789	aio_unlink $filename;	1243	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
791	}	1245	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1246	};
799	}	1247	}
800		1248
801	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
803		1251
…		…
808		1256
809	sub object_thawer_load {	1257	sub object_thawer_load {
810	my ($filename) = @_;	1258	my ($filename) = @_;
811		1259
812	my ($data, $av);	1260	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1261
817	(aio_load $filename, $data) >= 0	1262	(aio_load $filename, $data) >= 0
818	or return;	1263	or return;
819		1264
820	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
822	or return;	1267	or return;
		1268
823	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
824	}	1271	}
825		1272
		1273	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
828	return ($data, $av);	1278	($data, $av)
829	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
830		1286
831	#############################################################################	1287	#############################################################################
832	# command handling &c	1288	# command handling &c
833		1289
834	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1304	}
849		1305
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1307
852	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.
853		1313
854	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
855	called.	1315	called.
856		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
857	=cut	1328	=cut
858		1329
859	sub register_extcmd {	1330	sub register_extcmd {
860	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
861		1332
862	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
863	}	1334	}
864		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
865	cf::player->attach (	1344	cf::player->attach (
866	on_command => sub {	1345	on_unknown_command => sub {
867	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
868		1347
869	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
870	or return;	1349	or return;
871		1350
…		…
876	cf::override;	1355	cf::override;
877	},	1356	},
878	on_extcmd => sub {	1357	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
880		1359
881	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1361
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
889	} else {	1377	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1379	}
892		1380
893	cf::override;	1381	cf::override;
894	},	1382	},
895	);	1383	);
896		1384
		1385	# "readahead" all extensions
897	sub load_extension {	1386	sub cache_extensions {
898	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
899		1388
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1392	}
925	die $@;
926	}	1393	};
927		1394
928	push @EXTS, $pkg;	1395	$grp
929	}	1396	}
930		1397
931	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
932	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1405	next unless -r $path;
934	eval {	1406
935	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 $active;
		1470	}
936	1	1471	}
937	} or warn "$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	}
938	}	1482	};
939	}	1483	}
940		1484
941	#############################################################################	1485	#############################################################################
942		1486
		1487	=back
		1488
943	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
944		1490
945	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
946		1492
947	=cut	1493	=cut
948		1494
949	package cf::player;	1495	package cf::player;
950		1496
…		…
952		1498
953	=head3 cf::player	1499	=head3 cf::player
954		1500
955	=over 4	1501	=over 4
956		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
957	=item cf::player::find $login	1517	=item cf::player::find $login
958		1518
959	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
960		1520
961	=cut	1521	=cut
962		1522
963	sub playerdir($) {	1523	sub playerdir($) {
964	cf::localdir	1524	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1526	}
970		1527
971	sub path($) {	1528	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1530
974	(playerdir $login) . "/$login.pl"	1531	(playerdir $login) . "/playerdata"
975	}	1532	}
976		1533
977	sub find_active($) {	1534	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1535	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1536	and $cf::PLAYER{$_[0]}->active
…		…
982		1539
983	sub exists($) {	1540	sub exists($) {
984	my ($login) = @_;	1541	my ($login) = @_;
985		1542
986	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
988	}	1545	}
989		1546
990	sub find($) {	1547	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1549	my $login = $_[0];
993		1550
994	my $guard = cf::lock_acquire "user_find:$login";	1551	my $guard = cf::lock_acquire "user_find:$login";
995		1552
996	$cf::PLAYER{$_[0]} || do {	1553	$cf::PLAYER{$_[0]} || do {
997	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
998	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;
999	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1000	}	1570	}
1001	}	1571	}
1002	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($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	);
1003		1586
1004	sub save($) {	1587	sub save($) {
1005	my ($pl) = @_;	1588	my ($pl) = @_;
1006		1589
1007	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1013		1596
1014	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1016		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
1017	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1018	Coro::cede;	1606	cf::cede_to_tick;
1019	}	1607	}
1020		1608
1021	sub new($) {	1609	sub new($) {
1022	my ($login) = @_;	1610	my ($login) = @_;
1023		1611
…		…
1029	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1030		1618
1031	$self	1619	$self
1032	}	1620	}
1033		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
1034	=item $pl->quit_character	1632	=item $pl->quit_character
1035		1633
1036	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1038		1636
1039	=cut	1637	=cut
1040		1638
1041	sub quit_character {	1639	sub quit_character {
1042	my ($pl) = @_;	1640	my ($pl) = @_;
1043		1641
		1642	my $name = $pl->ob->name;
		1643
1044	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1045	$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
1046		1646
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1051		1652
1052	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1655	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1656	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1679	}
1059		1680
1060	=item cf::player::list_logins	1681	=item cf::player::list_logins
1061		1682
1062	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
1063	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1064		1685
1065	=cut	1686	=cut
1066		1687
1067	sub list_logins {	1688	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1690	or return [];
1070		1691
1071	my @logins;	1692	my @logins;
1072		1693
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1077		1704
1078	utf8::decode $login;	1705	utf8::decode $login;
1079	push @logins, $login;	1706	push @logins, $login;
1080	}	1707	}
1081		1708
1082	\@logins	1709	\@logins
1083	}	1710	}
1084		1711
1085	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1086		1715
1087	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1088	player. May block.	1717	player. May block.
1089		1718
1090	=cut	1719	=cut
…		…
1108	}	1737	}
1109		1738
1110	\@paths	1739	\@paths
1111	}	1740	}
1112		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1114		1747
1115	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1116		1749
1117	=cut	1750	=cut
1118		1751
1119	sub ext_reply($$$%) {	1752	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1121		1754
1122	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1756	}
1126		1757
1127	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	}
1128		1800
1129	=back	1801	=back
1130
1131		1802
1132	=head3 cf::map	1803	=head3 cf::map
1133		1804
1134	=over 4	1805	=over 4
1135		1806
…		…
1147	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1149		1820
1150	sub generate_random_map {	1821	sub generate_random_map {
1151	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
1152	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1827	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1158	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1175		1849
1176	sub register {	1850	sub register {
1177	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1178	my $pkg = caller;	1852	my $pkg = caller;
1179		1853
1180	no strict;
1181	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1182		1855
1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184	}	1857	}
1185		1858
1186	# also paths starting with '/'	1859	# also paths starting with '/'
1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1188		1861
1189	sub thawer_merge {	1862	sub thawer_merge {
1190	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1191		1864
1192	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1193	local $self->{path};	1866	local $self->{path};
1194	local $self->{load_path};	1867	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1868
1198	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1199	}	1870	}
1200		1871
1201	sub normalise {	1872	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1249	return $self;	1920	return $self;
1250	}	1921	}
1251	}	1922	}
1252		1923
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1925	()
1255	}	1926	}
1256		1927
1257	sub init {	1928	sub init {
1258	my ($self) = @_;	1929	my ($self) = @_;
…		…
1273		1944
1274	# the original (read-only) location	1945	# the original (read-only) location
1275	sub load_path {	1946	sub load_path {
1276	my ($self) = @_;	1947	my ($self) = @_;
1277		1948
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1279	}	1950	}
1280		1951
1281	# the temporary/swap location	1952	# the temporary/swap location
1282	sub save_path {	1953	sub save_path {
1283	my ($self) = @_;	1954	my ($self) = @_;
1284		1955
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1287	}	1958	}
1288		1959
1289	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1290	sub uniq_path {	1961	sub uniq_path {
1291	my ($self) = @_;	1962	my ($self) = @_;
1292		1963
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1295	}	1966	}
1296		1967
1297	# and all this just because we cannot iterate over	1968	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	1969	my ($self) = @_;
1301		1970
1302	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1304	}	1974	}
1305		1975
1306	sub unlink_save {	1976	sub unlink_save {
1307	my ($self) = @_;	1977	my ($self) = @_;
1308		1978
1309	utf8::encode (my $save = $self->save_path);	1979	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1981	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1982	}
1318		1983
1319	sub load_header_from($) {	1984	sub load_header_from($) {
1320	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1321		1986
1322	utf8::encode $path;	1987	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1328		1996
1329	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1330		1998
1331	1	1999	1
1332	}	2000	}
…		…
1371	$self->load_header_orig	2039	$self->load_header_orig
1372	or return;	2040	or return;
1373	$self->prepare_orig;	2041	$self->prepare_orig;
1374	}	2042	}
1375		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
1376	1	2050	1
1377	}	2051	}
1378		2052
1379	sub find;	2053	sub find;
1380	sub find {	2054	sub find {
1381	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1382		2056
1383	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1384		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2061
1387	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1390	or return;	2064	or return;
1391		2065
1392	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1393		2067
1394	$map->load_header	2068	$map->load_header
1395	or return;	2069	or return;
1396		2070
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1400	$map->reset;	2076	$map->reset;
1401	undef $guard;
1402	return find $path;	2077	return find $path;
1403	}	2078	}
1404		2079
1405	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1406	}	2081	}
1407	}	2082	}
1408		2083
1409	sub pre_load { }	2084	sub pre_load { }
1410	sub post_load { }	2085	#sub post_load { } # XS
1411		2086
1412	sub load {	2087	sub load {
1413	my ($self) = @_;	2088	my ($self) = @_;
1414		2089
1415	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1416		2091
1417	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1419		2096
		2097	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2099
1422	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1423		2101
1424	$self->alloc;	2102	$self->alloc;
1425		2103
1426	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1427		2106
1428	$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)
1429	or return;	2110	or return;
1430		2111
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1432	if delete $self->{load_original};	2113	if delete $self->{load_original};
1433		2114
1434	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2116	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2119	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1439	}	2123	}
1440	}	2124	}
1441		2125
1442	Coro::cede;	2126	$f->resolve_delayed_derefs;
1443		2127
		2128	cf::cede_to_tick;
1444	# now do the right thing for maps	2129	# now do the right thing for maps
1445	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2132	unless $self->difficulty;
1455	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;
1456	$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);
1457	}	2147	}
1458		2148
1459	$self->post_load;	2149	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2150	}
1463		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
1464	sub customise_for {	2155	sub customise_for {
1465	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1466		2157
1467	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2159	if $self->per_player;
1469		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1470	$self	2164	$self
1471	}	2165	}
1472		2166
1473	# 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
1474	sub load_diag {	2168	sub load_neighbours {
1475	my ($map) = @_;	2169	my ($map) = @_;
1476		2170
1477	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1478		2172
1479	for (0 .. 3) {	2173	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1481	or next;	2175	or next;
1482	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1483	or next;	2177	or next;
1484	$neigh->load;	2178	$neigh->load;
1485		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2184	}
1489		2185
1490	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1492	or next;	2189	or next;
1493	$neigh->load;	2190	$neigh->load;
1494	}	2191	}
1495	}	2192	}
1496		2193
1497	sub find_sync {	2194	sub find_sync {
1498	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1499		2196
1500	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
1501	}	2201	}
1502		2202
1503	sub do_load_sync {	2203	sub do_load_sync {
1504	my ($map) = @_;	2204	my ($map) = @_;
1505		2205
1506	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;
1507	}	2210	}
1508		2211
1509	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1511		2214
1512	sub find_async {	2215	sub find_async {
1513	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1514		2217
1515	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1516		2219
1517	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2222	}
1520		2223
1521	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1522	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1523	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2231	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2232	$map->load if $v;
		2233	}
1528		2234
1529	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1530	}	2236	}
1531	}	2237	}
1532	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1533	};	2239	};
1534	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1535		2241
1536	()	2242	()
1537	}	2243	}
1538		2244
		2245	# common code, used by both ->save and ->swapout
1539	sub save {	2246	sub _save {
1540	my ($self) = @_;	2247	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2248
1544	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1545		2250
1546	return unless $self->dirty;	2251	return unless $self->dirty;
1547		2252
…		…
1553	return if $self->{deny_save};	2258	return if $self->{deny_save};
1554		2259
1555	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1556		2261
1557	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1559	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1560		2268
1561	if ($uniq) {	2269	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2272	} else {
1565	$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);
1566	}	2274	}
1567	}	2275	}
1568		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1569	sub swap_out {	2285	sub swap_out {
1570	my ($self) = @_;	2286	my ($self) = @_;
1571		2287
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1577	return if $self->players;	2292	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		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
1581	$self->clear;	2303	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2304	}
1584		2305
1585	sub reset_at {	2306	sub reset_at {
1586	my ($self) = @_;	2307	my ($self) = @_;
1587		2308
1588	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1591		2311
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	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;
1594		2314
…		…
1605	my ($self) = @_;	2325	my ($self) = @_;
1606		2326
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2328
1609	return if $self->players;	2329	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2330
1612	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1613		2332
1614	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1615		2334
1616	# need to save uniques path	2335	# need to save uniques path
1617	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2340	if $uniq;
1622	}	2341	}
1623		2342
1624	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1625		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2347	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2348
1630	$self->unlink_save;	2349	$self->unlink_save;
1631	$self->destroy;	2350	$self->destroy;
1632	}	2351	}
1633		2352
1634	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1635		2354
1636	sub nuke {	2355	sub nuke {
1637	my ($self) = @_;	2356	my ($self) = @_;
1638		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1639	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1640		2362
1641	$self->unlink_save;	2363	$self->unlink_save;
1642		2364
1643	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2370
1649	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1650		2373
1651	$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	]
1652	}	2411	}
1653		2412
1654	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1655		2414
1656	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2416	instantiated unique items. May block.
1658		2417
1659	=cut	2418	=cut
1660		2419
1661	sub unique_maps() {	2420	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1663	or return;	2422	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2423	utf8::decode $_;
1669	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2426	? ()
1672	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2429	]
1674
1675	\@paths
1676	}	2430	}
1677		2431
1678	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1679		2463
1680	=back	2464	=back
1681		2465
1682	=head3 cf::object	2466	=head3 cf::object
1683		2467
…		…
1687		2471
1688	=over 4	2472	=over 4
1689		2473
1690	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1691		2475
1692	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.
1693		2478
1694	=cut	2479	=cut
1695		2480
1696	sub inv_recursive_;	2481	sub inv_recursive_;
1697	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1700		2485
1701	sub inv_recursive {	2486	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1703	}	2488	}
1704		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
1705	package cf;	2518	package cf;
1706		2519
1707	=back	2520	=back
1708		2521
1709	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1715	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>
1716	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
1717	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1718		2531
1719	=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	};
1720		2547
1721	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2549	# with dialog boxes.
1723	#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
1724	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1726		2553
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2555
1729	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1734	}	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 (@_);
1735	}	2581	}
1736		2582
1737	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1738		2584
1739	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1752		2598
1753	=item $player_object->enter_link	2599	=item $player_object->enter_link
1754		2600
1755	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}>).
1756		2602
1757	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.
1758	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.
1759		2607
1760	Will never block.	2608	Will never block.
1761		2609
1762	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1763		2611
…		…
1783	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2632	my ($self) = @_;
1785		2633
1786	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1787		2635
		2636	++$self->{_link_recursion};
		2637
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2639
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1792		2642
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2644	}
1795		2645
1796	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1798		2650
1799	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1800		2652
1801	unless ($map) {	2653	unless ($map) {
1802	# restore original map position	2654	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1815		2667
1816	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1819		2671
1820	$map->load;	2672	$map->load;
1821	$map->load_diag;	2673	$map->load_neighbours;
1822		2674
1823	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
1824	$self->activate_recursive;	2682	$self->activate_recursive;
1825	$self->enter_map ($map, $x, $y);
1826	}
1827
1828	cf::player->attach (
1829	on_logout => sub {
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},	2683	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2684
1842	# try to abort aborted map switching on player login :)	2685	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2686
1860	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		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
1862	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1863		2701
1864	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1865	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;
1866		2713
1867	$self->enter_link;	2714	$self->enter_link;
1868		2715
1869	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1870	my $map = eval {	2738	my $map = eval {
1871	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1873	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2754	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1878	})->prio (1);	2762	})->prio (1);
1879	}	2763	}
1880		2764
1881	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1882		2766
…		…
1902	}	2786	}
1903		2787
1904	sub prepare_random_map {	2788	sub prepare_random_map {
1905	my ($exit) = @_;	2789	my ($exit) = @_;
1906		2790
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2793	# that depends on the exit object
1912		2794
1913	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2797	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1920	}	2804	}
1921		2805
1922	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1923		2807
1924	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1927		2811
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2814	undef $fh;
1931	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1932		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1935	}	2823	}
1936	}	2824	}
1937		2825
1938	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
1940		2828
1941	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1942		2830
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2831	$self->enter_link;
1953		2832
1954	(async {	2833	(async {
1955	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1956	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
1957	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
1958		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
1959	1;	2857	1
1960	}) {	2858	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "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. "
1963	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2863
1966	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	2865	$self->leave_link;
1968	}	2866	}
1969	})->prio (1);	2867	})->prio (1);
1970	}	2868	}
1971		2869
…		…
1982		2880
1983	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1985		2883
1986	utf8::encode $text;	2884	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2886	}
1989		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	}
1990		3109
1991	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1992		3111
1993	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
1994	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>,
1995	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>.
1996		3115
1997	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
1998	reliable at some point in the future.	3117	become reliable at some point in the future.
1999		3118
2000	=cut	3119	=cut
2001		3120
2002	sub cf::client::query {	3121	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3130	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3132
2014	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2016	}	3137	}
2017		3138
2018	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	},
2019	on_reply => sub {	3145	on_reply => sub {
2020	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2021		3147
2022	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2023	# get handled first	3149	# get handled first
…		…
2035	} else {	3161	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3163	}
2038	}	3164	}
2039	},	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	},
2040	);	3192	);
2041		3193
2042	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2043		3195
2044	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3212
2061	$coro	3213	$coro
2062	}	3214	}
2063		3215
2064	cf::client->attach (	3216	cf::client->attach (
2065	on_destroy => sub {	3217	on_client_destroy => sub {
2066	my ($ns) = @_;	3218	my ($ns) = @_;
2067		3219
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3221	},
2070	);	3222	);
…		…
2085	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2087		3239
2088	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2089		3241
2090	$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	));
2091		3247
2092	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2093		3249
2094	=pod	3250	=pod
2095		3251
2096	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2097		3253
2098	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
2099	cf::object::player player	3259	cf::object::player
2100	cf::player peaceful	3260	player
2101	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2102		3267
2103	=cut	3268	=cut
2104		3269
2105	for (	3270	for (
2106	["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)],
2107	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2110	) {	3277	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3280	for @funs;
2115	}	3281	}
2116		3282
…		…
2131		3297
2132	my $qcode = $code;	3298	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2135		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2136	local $_;	3305	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3306
2139	my $eval =	3307	my $eval =
2140	"do {\n"	3308	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3311	. $code
2144	. "\n}"	3312	. "\n}"
2145	;	3313	;
2146		3314
		3315	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	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	}
2150		3324
2151	if ($@) {	3325	if ($@) {
2152	warn "$@";	3326	warn "$@",
2153	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2155	}	3329	}
2156		3330
2157	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2158	}	3332	}
2159		3333
…		…
2173	=cut	3347	=cut
2174		3348
2175	sub register_script_function {	3349	sub register_script_function {
2176	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2177		3351
2178	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2180	}	3354	}
2181		3355
2182	=back	3356	=back
2183		3357
2184	=cut	3358	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3359
2258	#############################################################################	3360	#############################################################################
2259	# the server's init and main functions	3361	# the server's init and main functions
2260		3362
		3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
		3366
		3367	if (in_main && !tick_inhibit) {
		3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
		3372
		3373	# 1. find real file
		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;
		3379
		3380	$data = "#line 1 $dir/$mod\n$data";
		3381
		3382	open my $fh, "<", \$data or die;
		3383
		3384	return $fh;
		3385	}
		3386
		3387	()
		3388	}
		3389
		3390	sub init_inc {
		3391	# save original @INC
		3392	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3393
		3394	# make sure we can do scalar-opens
		3395	open my $dummy, "<", \my $dummy2;
		3396
		3397	# execute some stuff so perl load's some of the core modules
		3398	/Ü/ =~ /ü/i;
		3399	eval { &Storable::nstore_fd };
		3400
		3401	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3402
		3403	debug "module loading will be asynchronous from this point on.";
		3404	}
		3405
		3406	sub load_facedata($) {
		3407	my ($path) = @_;
		3408
		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 = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
		3415	trace "loading facedata from $path\n";
		3416
		3417	my $facedata;
		3418	0 < aio_load $path, $facedata
		3419	or die "$path: $!";
		3420
		3421	$facedata = Coro::Storable::thaw $facedata;
		3422
		3423	$facedata->{version} == 2
		3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3425
		3426	# patch in the exptable
		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),
		3432	};
		3433	cf::cede_to_tick;
		3434
		3435	{
		3436	my $faces = $facedata->{faceinfo};
		3437
		3438	while (my ($face, $info) = each %$faces) {
		3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3440
		3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
		3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3445
		3446	cf::cede_to_tick;
		3447	}
		3448
		3449	while (my ($face, $info) = each %$faces) {
		3450	next unless $info->{smooth};
		3451
		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
2261	sub load_resources {	3507	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2263	or die "unable to load regions file\n";#d#	3523	or die "unable to load regions file\n";
2264	}
2265		3524
2266	sub cfg_load {	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
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3584	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3585	or return;
2269		3586
2270	local $/;	3587	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = YAML::XS::Load scalar <$fh>;
2272		3589
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3591
2275	$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};
2276	$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};
2277		3594
2278	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3597	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3598	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3599	};
2283	warn $@ if $@;	3600	warn $@ if $@;
2284	}	3601	}
2285	}
2286		3602
2287	sub init {	3603	trace "finished reloading resource files\n";
2288	load_resources;	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;
2289	}	3632	}
2290		3633
2291	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
2292	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2294	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#
2295	(async {	3647	(async {
2296	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2298	};	3651	};
2299		3652
2300	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		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;
2301	db_init;	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
2302	load_extensions;	3678	load_extensions;
2303		3679
2304	$TICK_WATCHER->start;	3680	utime time, time, $RUNTIMEFILE;
2305	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;
2306	}	3698	}
2307		3699
2308	#############################################################################	3700	#############################################################################
2309	# initialisation and cleanup	3701	# initialisation and cleanup
2310		3702
2311	# install some emergency cleanup handlers	3703	# install some emergency cleanup handlers
2312	BEGIN {	3704	BEGIN {
		3705	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3706	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3707	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3708	cf::cleanup "SIG$signal";
2321	},
2322	);	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
2323	}	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 };
2324	}	3799	}
2325		3800
2326	sub emergency_save() {	3801	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3802	my $freeze_guard = cf::freeze_mainloop;
2328		3803
2329	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;
2330		3810
2331	cf::sync_job {	3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
		3813
2332	# use a peculiar iteration method to avoid tripping on perl	3814	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3815	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3816	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3817	info "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3818	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3819	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3820	$pl->valid or next;
		3821	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3822	$pl->save;
2340	}	3823	}
2341	warn "end emergency player save\n";	3824	info "emergency_perl_save: end player save\n";
2342		3825
2343	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";
2344	for my $path (keys %cf::MAP) {	3829	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3830	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3831	$map->valid or next;
2347	$map->save;	3832	$map->save;
2348	}	3833	}
2349	warn "end emergency map save\n";	3834	info "emergency_perl_save: end map save\n";
2350		3835
2351	warn "begin emergency database checkpoint\n";	3836	cf::write_runtime_sync; # external watchdog should not bark
		3837
		3838	info "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3839	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	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
2354	};	3864	};
2355		3865
2356	warn "leave emergency perl save\n";	3866	info "emergency_perl_save: leave\n";
2357	}	3867	}
2358		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
2359	sub reload() {	3906	sub do_reload_perl() {
2360	# can/must only be called in main	3907	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3908	if (in_main) {
2362	warn "can only reload from main coroutine";	3909	error "can only reload from main coroutine";
2363	return;	3910	return;
2364	}	3911	}
2365		3912
		3913	return if $RELOAD++;
		3914
		3915	my $t1 = AE::time;
		3916
		3917	while ($RELOAD) {
2366	warn "reloading...";	3918	info "reloading...";
2367		3919
2368	warn "cancelling server ticker";	3920	trace "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3921
		3922	cf::sync_job {
2371	cf::emergency_save;	3923	cf::emergency_save;
2372		3924
2373	eval {
2374	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "cancelling all WF_AUTOCANCEL watchers";
2377	for (Event::all_watchers) {
2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2379	}
2380
2381	warn "syncing database to disk";
2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383
2384	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	BDB::flush;
2387	IO::AIO::flush;
2388	Coro::cede;
2389	last unless IO::AIO::nreqs || BDB::nreqs;
2390	warn "iterate...";
2391	}
2392
2393	warn "cancelling all extension coros";	3925	trace "cancelling all extension coros";
2394	$_->cancel for values %EXT_CORO;	3926	$_->cancel for values %EXT_CORO;
2395	%EXT_CORO = ();	3927	%EXT_CORO = ();
2396		3928
2397	warn "removing commands";	3929	trace "removing commands";
2398	%COMMAND = ();	3930	%COMMAND = ();
2399		3931
2400	warn "removing ext commands";	3932	trace "removing ext/exti commands";
2401	%EXTCMD = ();	3933	%EXTCMD = ();
		3934	%EXTICMD = ();
2402		3935
2403	warn "unloading/nuking all extensions";	3936	trace "unloading/nuking all extensions";
2404	for my $pkg (@EXTS) {	3937	for my $pkg (@EXTS) {
2405	warn "... unloading $pkg";	3938	trace "... unloading $pkg";
2406		3939
2407	if (my $cb = $pkg->can ("unload")) {	3940	if (my $cb = $pkg->can ("unload")) {
2408	eval {	3941	eval {
2409	$cb->($pkg);	3942	$cb->($pkg);
2410	1	3943	1
2411	} 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;
2412	}	3949	}
2413		3950
2414	warn "... nuking $pkg";
2415	Symbol::delete_package $pkg;
2416	}
2417
2418	warn "unloading all perl modules loaded from $LIBDIR";	3951	trace "unloading all perl modules loaded from $LIBDIR";
2419	while (my ($k, $v) = each %INC) {	3952	while (my ($k, $v) = each %INC) {
2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3953	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2421		3954
2422	warn "... unloading $k";	3955	trace "... unloading $k";
2423	delete $INC{$k};	3956	delete $INC{$k};
2424		3957
2425	$k =~ s/\.pm$//;	3958	$k =~ s/\.pm$//;
2426	$k =~ s/\//::/g;	3959	$k =~ s/\//::/g;
2427		3960
2428	if (my $cb = $k->can ("unload_module")) {	3961	if (my $cb = $k->can ("unload_module")) {
2429	$cb->();	3962	$cb->();
		3963	}
		3964
		3965	clear_package $k;
2430	}	3966	}
2431		3967
2432	Symbol::delete_package $k;
2433	}
2434
2435	warn "getting rid of safe::, as good as possible";	3968	trace "getting rid of safe::, as good as possible";
2436	Symbol::delete_package "safe::$_"	3969	clear_package "safe::$_"
2437	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);
2438		3971
2439	warn "unloading cf.pm \"a bit\"";	3972	trace "unloading cf.pm \"a bit\"";
2440	delete $INC{"cf.pm"};	3973	delete $INC{"cf.pm"};
		3974	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2441		3975
2442	# don't, removes xs symbols, too,	3976	# don't, removes xs symbols, too,
2443	# and global variables created in xs	3977	# and global variables created in xs
2444	#Symbol::delete_package __PACKAGE__;	3978	#clear_package __PACKAGE__;
2445		3979
2446	warn "unload completed, starting to reload now";	3980	info "unload completed, starting to reload now";
2447		3981
2448	warn "reloading cf.pm";	3982	trace "reloading cf.pm";
2449	require cf;	3983	require cf;
2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3984	cf::_connect_to_perl_1;
2451		3985
2452	warn "loading config and database again";	3986	trace "loading config and database again";
2453	cf::cfg_load;	3987	cf::reload_config;
2454		3988
2455	warn "loading extensions";	3989	trace "loading extensions";
2456	cf::load_extensions;	3990	cf::load_extensions;
2457		3991
		3992	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	3993	trace "reattaching attachments to objects/players";
2459	_global_reattach;	3994	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3995	trace "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3996	reattach $_ for values %MAP;
		3997	trace "reattaching attachments to players";
		3998	reattach $_ for values %PLAYER;
		3999	}
2462		4000
2463	warn "loading reloadable resources";	4001	trace "running post_init jobs";
2464	load_resources;	4002	(pop @POST_INIT)->(1) while @POST_INIT;
2465		4003
2466	warn "restarting server ticker";	4004	trace "leaving sync_job";
2467		4005
2468	$TICK_WATCHER->start;	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 $RELOAD_WATCHER;
		4032	};
2469	};	4033	};
2470		4034	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		4035
2482	register_command "reload" => sub {	4036	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	4037	my ($who, $arg) = @_;
2484		4038
2485	if ($who->flag (FLAG_WIZ)) {	4039	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	4040	$who->message ("reloading server.");
2487		4041	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	4042	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	4043	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	4044	};
2500	}	4045	}
2501	};	4046	};
2502		4047
2503	unshift @INC, $LIBDIR;	4048	#############################################################################
2504		4049
2505	my $bug_warning = 0;	4050	my $bug_warning = 0;
2506		4051
2507	$TICK_WATCHER = Event->timer (	4052	our @WAIT_FOR_TICK;
2508	reentrant => 0,	4053	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	4054
2510	prio => 0,	4055	sub wait_for_tick {
2511	at => $NEXT_TICK || $TICK,	4056	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	4057
2513	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	$signal->wait;
		4069	}
		4070
		4071	sub tick {
2514	if ($Coro::current != $Coro::main) {	4072	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4073	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	4074	unless ++$bug_warning > 10;
2517	return;	4075	return;
2518	}	4076	}
2519		4077
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	4078	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		4079
2526	$WAIT_FOR_TICK->broadcast;	4080	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4081
2529	Event::sweep;	4082	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2530	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#
2531		4106	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	4107	}
2541	);	4108	}
2542		4109
2543	{	4110	{
2544	BDB::max_poll_time $TICK * 0.1;	4111	# configure BDB
2545	$BDB_POLL_WATCHER = Event->io (	4112
2546	reentrant => 0,
2547	fd => BDB::poll_fileno,
2548	poll => 'r',
2549	prio => 0,
2550	data => WF_AUTOCANCEL,
2551	cb => \&BDB::poll_cb,
2552	);
2553	BDB::min_parallel 8;	4113	BDB::min_parallel 16;
2554		4114	BDB::max_poll_reqs $TICK * 0.1;
2555	BDB::set_sync_prepare {	4115	$AnyEvent::BDB::WATCHER->priority (1);
2556	my $status;
2557	my $current = $Coro::current;
2558	(
2559	sub {
2560	$status = $!;
2561	$current->ready; undef $current;
2562	},
2563	sub {
2564	Coro::schedule while defined $current;
2565	$! = $status;
2566	},
2567	)
2568	};
2569		4116
2570	unless ($DB_ENV) {	4117	unless ($DB_ENV) {
2571	$DB_ENV = BDB::db_env_create;	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);
2572		4124
2573	cf::sync_job {	4125	cf::sync_job {
2574	eval {	4126	eval {
2575	BDB::db_env_open	4127	BDB::db_env_open
2576	$DB_ENV,	4128	$DB_ENV,
2577	$BDB_ENV_DIR,	4129	$BDBDIR,
2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4130	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4131	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580	0666;	4132	0666;
2581		4133
2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4134	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583
2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585	$DB_ENV->set_lk_detect;
2586	};	4135	};
2587		4136
2588	cf::cleanup "db_env_open(db): $@" if $@;	4137	cf::cleanup "db_env_open(db): $@" if $@;
2589	};	4138	};
2590	}	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	};
2591	}	4150	}
2592		4151
2593	{	4152	{
		4153	# configure IO::AIO
		4154
2594	IO::AIO::min_parallel 8;	4155	IO::AIO::min_parallel 8;
2595
2596	undef $Coro::AIO::WATCHER;
2597	IO::AIO::max_poll_time $TICK * 0.1;	4156	IO::AIO::max_poll_time $TICK * 0.1;
2598	$AIO_POLL_WATCHER = Event->io (	4157	undef $AnyEvent::AIO::WATCHER;
2599	reentrant => 0,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	data => WF_AUTOCANCEL,
2604	cb => \&IO::AIO::poll_cb,
2605	);
2606	}	4158	}
2607		4159
2608	$WRITE_RUNTIME_WATCHER = Event->timer (	4160	my $_log_backtrace;
2609	reentrant => 0,	4161
2610	data => WF_AUTOCANCEL,	4162	sub _log_backtrace {
2611	after => 1,	4163	my ($msg, @addr) = @_;
2612	interval => 10,	4164
2613	prio => 6, # keep it lowest so it acts like a watchdog	4165	$msg =~ s/\n//;
2614	cb => Coro::unblock_sub {	4166
2615	write_runtime	4167	# limit the # of concurrent backtraces
2616	or warn "ERROR: unable to write runtime file: $!";	4168	if ($_log_backtrace < 2) {
		4169	++$_log_backtrace;
		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] $msg\n";
		4198	LOG llevInfo, "[ABT] [suppressed]\n";
2617	},	4199	}
2618	);	4200	}
		4201
		4202	# load additional modules
		4203	require "cf/$_.pm" for @EXTRA_MODULES;
		4204	cf::_connect_to_perl_2;
2619		4205
2620	END { cf::emergency_save }	4206	END { cf::emergency_save }
2621		4207
2622	1	4208	1
2623		4209

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