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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 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";
		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(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	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	}
		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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
278	};	478	}
279	$TICK_WATCHER->stop;	479	};
280	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
281	}	494	}
282		495
283	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
284		497
285	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		503
291	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
292		505
293	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
294		507
295	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
298		512
299	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
302	fast or be very important.	516	fast or be very important.
…		…
304	=cut	518	=cut
305		519
306	sub sync_job(&) {	520	sub sync_job(&) {
307	my ($job) = @_;	521	my ($job) = @_;
308		522
309	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
310	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
312		528
313	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	530
315	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
316		532
317	my $busy = 1;	533	my $busy = 1;
318	my @res;	534	my @res;
319		535
320	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	538	@res = eval { $job->() };
322	warn $@ if $@;	539	error $@ if $@;
323	undef $busy;	540	undef $busy;
324	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
325		542
326	while ($busy) {	543	while ($busy) {
327	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
328	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
329		554
330	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
331	} else {	556	} else {
332	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
333		558
…		…
353	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
354		579
355	$coro	580	$coro
356	}	581	}
357		582
358	sub write_runtime {	583	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		584
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
362	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.
363		589
364	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		591
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
369	and return;	593	my ($cb, @args) = @_;
370		594
371	# always fsync - this file is important	595	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	596	# otherwise perl prematurely frees the stuff :/
373	and return;	597	# TODO: investigate and fix (likely this will be rather laborious)
374		598
375	close $fh	599	my @res = Coro::Util::fork_eval {
376	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
377		603
378	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
379	and return;	605	}
380		606
		607	sub objinfo {
381	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 });
382	}	783	}
383		784
384	=back	785	=back
385		786
386	=cut	787	=cut
387		788
388	#############################################################################	789	#############################################################################
389		790
390	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
391		792
392	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
393	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")
394	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
395		796
396	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>
397	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
398	crossfire+).	799	Deliantra).
399		800
400	=over 4	801	=over 4
401		802
402	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
403		804
…		…
447	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
448		849
449	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
451		852
452	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
453	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.
454		855
455	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
456		857
457	=over 4	858	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
567		968
568	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		973
573	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	975	my $pkg = shift @arg;
575		976
576	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
581		982
582	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		985
585	} elsif (ref $type) {	986	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
587		988
588	} else {	989	} else {
589	shift @arg;	990	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
591	}	992	}
592	}	993	}
593	}	994	}
594		995
595	sub _object_attach {	996	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
606	}	1007	}
607		1008
608	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
609	} else {	1010	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1012	}
612		1013
613	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
614	}	1015	}
615		1016
…		…
617	if (ref $_[0]) {	1018	if (ref $_[0]) {
618	_object_attach @_;	1019	_object_attach @_;
619	} else {	1020	} else {
620	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
621	}	1022	}
		1023	_recalc_want;
622	};	1024	};
623		1025
624	# all those should be optimised	1026	# all those should be optimised
625	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1032	reattach ($obj);
631	} else {	1033	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
633	}	1035	}
		1036	_recalc_want;
634	};	1037	};
635		1038
636	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
638		1041
…		…
653	";	1056	";
654	die if $@;	1057	die if $@;
655	}	1058	}
656		1059
657	our $override;	1060	our $override;
658	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?
659		1062
660	sub override {	1063	sub override {
661	$override = 1;	1064	$override = 1;
662	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
663	}	1066	}
664		1067
665	sub do_invoke {	1068	sub do_invoke {
666	my $event = shift;	1069	my $event = shift;
667	my $callbacks = shift;	1070	my $callbacks = shift;
668		1071
669	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
670		1073
671	local $override;	1074	local $override;
672		1075
673	for (@$callbacks) {	1076	for (@$callbacks) {
674	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
675		1078
676	if ($@) {	1079	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1081	override;
680	}	1082	}
681		1083
682	return 1 if $override;	1084	return 1 if $override;
683	}	1085	}
684		1086
685	0	1087	0
686	}	1088	}
687		1089
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1091
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1093
692	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
693		1095
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1099
698	=back	1100	=back
699		1101
700	=cut	1102	=cut
701		1103
702	#############################################################################	1104	#############################################################################
703	# 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, $ob2
		1147	}
704		1148
705	sub reattach {	1149	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1151	my ($obj) = @_;
708		1152
		1153	# no longer needed after getting rid of delete_package?
709	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
710		1155
711	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
712		1157
713	@$registry = ();	1158	@$registry = ();
714		1159
…		…
719	for (@$attach) {	1164	for (@$attach) {
720	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
722	}	1167	}
723	} else {	1168	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1170	}
726	}	1171	}
727	}	1172	}
728		1173
729	cf::attachable->attach (	1174	cf::attachable->attach (
730	prio => -1000000,	1175	prio => -1000000,
731	on_instantiate => sub {	1176	on_instantiate => sub {
732	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
733		1178
734	$data = from_json $data;	1179	$data = decode_json $data;
735		1180
736	for (@$data) {	1181	for (@$data) {
737	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
738		1183
739	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1200	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
757		1202
758	sync_job {	1203	sync_job {
759	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
762		1209
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	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	}
767	close $fh;	1217	aio_close $fh;
768		1218
769	if (@$objs) {	1219	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
774	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	}
775	close $fh;	1228	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
777	}	1230	}
778	} else {	1231	} else {
779	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
780	}	1233	}
781		1234
782	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1239	} else {
784	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
785	}	1241	}
786	} else {	1242	} else {
787	aio_unlink $filename;	1243	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
789	}	1245	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1246	};
797	}	1247	}
798		1248
799	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
801		1251
…		…
806		1256
807	sub object_thawer_load {	1257	sub object_thawer_load {
808	my ($filename) = @_;	1258	my ($filename) = @_;
809		1259
810	my ($data, $av);	1260	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1261
815	(aio_load $filename, $data) >= 0	1262	(aio_load $filename, $data) >= 0
816	or return;	1263	or return;
817		1264
818	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
820	or return;	1267	or return;
		1268
821	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
822	}	1271	}
823		1272
		1273	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
826	return ($data, $av);	1278	($data, $av)
827	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
828		1286
829	#############################################################################	1287	#############################################################################
830	# command handling &c	1288	# command handling &c
831		1289
832	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1304	}
847		1305
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1307
850	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.
851		1313
852	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
853	called.	1315	called.
854		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
855	=cut	1328	=cut
856		1329
857	sub register_extcmd {	1330	sub register_extcmd {
858	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
859		1332
860	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
861	}	1334	}
862		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
863	cf::player->attach (	1344	cf::player->attach (
864	on_command => sub {	1345	on_unknown_command => sub {
865	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
866		1347
867	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
868	or return;	1349	or return;
869		1350
…		…
874	cf::override;	1355	cf::override;
875	},	1356	},
876	on_extcmd => sub {	1357	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
878		1359
879	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1361
881	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
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
887	} else {	1377	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1379	}
890		1380
891	cf::override;	1381	cf::override;
892	},	1382	},
893	);	1383	);
894		1384
		1385	# "readahead" all extensions
895	sub load_extension {	1386	sub cache_extensions {
896	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
897		1388
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1392	}
923	die $@;
924	}	1393	};
925		1394
926	push @EXTS, $pkg;	1395	$grp
927	}	1396	}
928		1397
929	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
930	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1405	next unless -r $path;
932	eval {	1406
933	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}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
934	1	1470	}
935	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
936	}	1481	};
937	}	1482	}
938		1483
939	#############################################################################	1484	#############################################################################
940		1485
		1486	=back
		1487
941	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
942		1489
943	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
944		1491
945	=cut	1492	=cut
946		1493
947	package cf::player;	1494	package cf::player;
948		1495
…		…
950		1497
951	=head3 cf::player	1498	=head3 cf::player
952		1499
953	=over 4	1500	=over 4
954		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
955	=item cf::player::find $login	1516	=item cf::player::find $login
956		1517
957	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
958		1519
959	=cut	1520	=cut
960		1521
961	sub playerdir($) {	1522	sub playerdir($) {
962	cf::localdir	1523	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1525	}
968		1526
969	sub path($) {	1527	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1529
972	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
973	}	1531	}
974		1532
975	sub find_active($) {	1533	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
980		1538
981	sub exists($) {	1539	sub exists($) {
982	my ($login) = @_;	1540	my ($login) = @_;
983		1541
984	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
986	}	1544	}
987		1545
988	sub find($) {	1546	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1548	my $login = $_[0];
991		1549
992	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
993		1551
994	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
996	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
998	}	1569	}
999	}	1570	}
1000	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1001		1585
1002	sub save($) {	1586	sub save($) {
1003	my ($pl) = @_;	1587	my ($pl) = @_;
1004		1588
1005	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1010	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1011		1595
1012	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1014		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1015	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1016	Coro::cede;	1605	cf::cede_to_tick;
1017	}	1606	}
1018		1607
1019	sub new($) {	1608	sub new($) {
1020	my ($login) = @_;	1609	my ($login) = @_;
1021		1610
…		…
1027	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1028		1617
1029	$self	1618	$self
1030	}	1619	}
1031		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1032	=item $pl->quit_character	1631	=item $pl->quit_character
1033		1632
1034	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1036		1635
1037	=cut	1636	=cut
1038		1637
1039	sub quit_character {	1638	sub quit_character {
1040	my ($pl) = @_;	1639	my ($pl) = @_;
1041		1640
		1641	my $name = $pl->ob->name;
		1642
1042	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1044		1645
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1048	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1049		1651
1050	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1656	$pl->destroy;
		1657
		1658	my $prefix = qr<^~\Q$name\E/>;
		1659
		1660	# nuke player maps
		1661	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1662
1055	IO::AIO::aio_rmtree $temp;	1663	IO::AIO::aio_rmtree $temp;
		1664	}
		1665
		1666	=item $pl->kick
		1667
		1668	Kicks a player out of the game. This destroys the connection.
		1669
		1670	=cut
		1671
		1672	sub kick {
		1673	my ($pl, $kicker) = @_;
		1674
		1675	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1676	$pl->killer ("kicked");
		1677	$pl->ns->destroy;
1056	}	1678	}
1057		1679
1058	=item cf::player::list_logins	1680	=item cf::player::list_logins
1059		1681
1060	Returns am arrayref of all valid playernames in the system, can take a	1682	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1062		1684
1063	=cut	1685	=cut
1064		1686
1065	sub list_logins {	1687	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1689	or return [];
1068		1690
1069	my @logins;	1691	my @logins;
1070		1692
1071	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1075		1703
1076	utf8::decode $login;	1704	utf8::decode $login;
1077	push @logins, $login;	1705	push @logins, $login;
1078	}	1706	}
1079		1707
1080	\@logins	1708	\@logins
1081	}	1709	}
1082		1710
1083	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1084		1714
1085	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1086	player. May block.	1716	player. May block.
1087		1717
1088	=cut	1718	=cut
…		…
1106	}	1736	}
1107		1737
1108	\@paths	1738	\@paths
1109	}	1739	}
1110		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1112		1746
1113	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1114		1748
1115	=cut	1749	=cut
1116		1750
1117	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1119		1753
1120	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1755	}
1124		1756
1125	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1126		1799
1127	=back	1800	=back
1128
1129		1801
1130	=head3 cf::map	1802	=head3 cf::map
1131		1803
1132	=over 4	1804	=over 4
1133		1805
…		…
1145	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1147		1819
1148	sub generate_random_map {	1820	sub generate_random_map {
1149	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1150	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1151	$self->_create_random_map (	1826	$self->_create_random_map (
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1155	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1156	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1173		1848
1174	sub register {	1849	sub register {
1175	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1176	my $pkg = caller;	1851	my $pkg = caller;
1177		1852
1178	no strict;
1179	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1180		1854
1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1182	}	1856	}
1183		1857
1184	# also paths starting with '/'	1858	# also paths starting with '/'
1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1186		1860
1187	sub thawer_merge {	1861	sub thawer_merge {
1188	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1189		1863
1190	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1191	local $self->{path};	1865	local $self->{path};
1192	local $self->{load_path};	1866	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1867
1196	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1197	}	1869	}
1198		1870
1199	sub normalise {	1871	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1247	return $self;	1919	return $self;
1248	}	1920	}
1249	}	1921	}
1250		1922
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1924	()
1253	}	1925	}
1254		1926
1255	sub init {	1927	sub init {
1256	my ($self) = @_;	1928	my ($self) = @_;
…		…
1271		1943
1272	# the original (read-only) location	1944	# the original (read-only) location
1273	sub load_path {	1945	sub load_path {
1274	my ($self) = @_;	1946	my ($self) = @_;
1275		1947
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1277	}	1949	}
1278		1950
1279	# the temporary/swap location	1951	# the temporary/swap location
1280	sub save_path {	1952	sub save_path {
1281	my ($self) = @_;	1953	my ($self) = @_;
1282		1954
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1285	}	1957	}
1286		1958
1287	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1288	sub uniq_path {	1960	sub uniq_path {
1289	my ($self) = @_;	1961	my ($self) = @_;
1290		1962
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1293	}	1965	}
1294		1966
1295	# and all this just because we cannot iterate over	1967	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	1968	my ($self) = @_;
1299		1969
1300	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1302	}	1973	}
1303		1974
1304	sub unlink_save {	1975	sub unlink_save {
1305	my ($self) = @_;	1976	my ($self) = @_;
1306		1977
1307	utf8::encode (my $save = $self->save_path);	1978	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1981	}
1316		1982
1317	sub load_header_from($) {	1983	sub load_header_from($) {
1318	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1319		1985
1320	utf8::encode $path;	1986	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1326		1995
1327	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1328		1997
1329	1	1998	1
1330	}	1999	}
…		…
1369	$self->load_header_orig	2038	$self->load_header_orig
1370	or return;	2039	or return;
1371	$self->prepare_orig;	2040	$self->prepare_orig;
1372	}	2041	}
1373		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
		2046	$self->default_region (cf::region::find_by_path $self->{path})
		2047	unless $self->default_region;
		2048
1374	1	2049	1
1375	}	2050	}
1376		2051
1377	sub find;	2052	sub find;
1378	sub find {	2053	sub find {
1379	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1380		2055
1381	$path = normalise $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
1382		2057
		2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
1384		2060
1385	$cf::MAP{$path} || do {	2061	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	2062	my $map = new_from_path cf::map $path
1388	or return;	2063	or return;
1389		2064
1390	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
1391		2066
1392	$map->load_header	2067	$map->load_header
1393	or return;	2068	or return;
1394		2069
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2071	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
		2074	undef $guard1;
1398	$map->reset;	2075	$map->reset;
1399	undef $guard;
1400	return find $path;	2076	return find $path;
1401	}	2077	}
1402		2078
1403	$cf::MAP{$path} = $map	2079	$cf::MAP{$path} = $map
1404	}	2080	}
1405	}	2081	}
1406		2082
1407	sub pre_load { }	2083	sub pre_load { }
1408	sub post_load { }	2084	#sub post_load { } # XS
1409		2085
1410	sub load {	2086	sub load {
1411	my ($self) = @_;	2087	my ($self) = @_;
1412		2088
1413	local $self->{deny_reset} = 1; # loading can take a long time	2089	local $self->{deny_reset} = 1; # loading can take a long time
1414		2090
1415	my $path = $self->{path};	2091	my $path = $self->{path};
		2092
		2093	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2094	my $guard = cf::lock_acquire "map_data:$path";
1417		2095
		2096	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2097	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2098
1420	$self->in_memory (cf::MAP_LOADING);	2099	$self->in_memory (cf::MAP_LOADING);
1421		2100
1422	$self->alloc;	2101	$self->alloc;
1423		2102
1424	$self->pre_load;	2103	$self->pre_load;
		2104	cf::cede_to_tick;
1425		2105
1426	$self->_load_objects ($self->{load_path}, 1)	2106	my $f = new_from_file cf::object::thawer $self->{load_path};
		2107	$f->skip_block;
		2108	$self->_load_objects ($f)
1427	or return;	2109	or return;
1428		2110
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
1430	if delete $self->{load_original};	2112	if delete $self->{load_original};
1431		2113
1432	if (my $uniq = $self->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2115	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2116	unless (aio_stat $uniq) {
		2117	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2118	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2119	$self->_load_objects ($f);
		2120	$f->resolve_delayed_derefs;
		2121	}
1437	}	2122	}
1438	}	2123	}
1439		2124
1440	Coro::cede;	2125	$f->resolve_delayed_derefs;
1441		2126
		2127	cf::cede_to_tick;
1442	# now do the right thing for maps	2128	# now do the right thing for maps
1443	$self->link_multipart_objects;	2129	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2130	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2131	unless $self->difficulty;
1453	Coro::cede;	2132	cf::cede_to_tick;
		2133
		2134	unless ($self->{deny_activate}) {
		2135	$self->decay_objects;
		2136	$self->fix_auto_apply;
		2137	$self->update_buttons;
		2138	cf::cede_to_tick;
1454	$self->activate;	2139	$self->activate;
		2140	}
		2141
		2142	$self->{last_save} = $cf::RUNTIME;
		2143	$self->last_access ($cf::RUNTIME);
		2144
		2145	$self->in_memory (cf::MAP_ACTIVE);
1455	}	2146	}
1456		2147
1457	$self->post_load;	2148	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2149	}
1461		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
1462	sub customise_for {	2154	sub customise_for {
1463	my ($self, $ob) = @_;	2155	my ($self, $ob) = @_;
1464		2156
1465	return find "~" . $ob->name . "/" . $self->{path}	2157	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2158	if $self->per_player;
1467		2159
		2160	# return find "?party/" . $ob->name . "/" . $self->{path}
		2161	# if $self->per_party;
		2162
1468	$self	2163	$self
1469	}	2164	}
1470		2165
1471	# find and load all maps in the 3x3 area around a map	2166	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	2167	sub load_neighbours {
1473	my ($map) = @_;	2168	my ($map) = @_;
1474		2169
1475	my @diag; # diagonal neighbours	2170	my @neigh; # diagonal neighbours
1476		2171
1477	for (0 .. 3) {	2172	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2173	my $neigh = $map->tile_path ($_)
1479	or next;	2174	or next;
1480	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
1481	or next;	2176	or next;
1482	$neigh->load;	2177	$neigh->load;
1483		2178
		2179	# now find the diagonal neighbours
		2180	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2183	}
1487		2184
1488	for (@diag) {	2185	for (grep defined $_->[0], @neigh) {
		2186	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2187	my $neigh = find $path, $origin
1490	or next;	2188	or next;
1491	$neigh->load;	2189	$neigh->load;
1492	}	2190	}
1493	}	2191	}
1494		2192
1495	sub find_sync {	2193	sub find_sync {
1496	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
1497		2195
1498	cf::sync_job { find $path, $origin }	2196	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2197	if $Coro::current == $Coro::main;
		2198
		2199	find $path, $origin
1499	}	2200	}
1500		2201
1501	sub do_load_sync {	2202	sub do_load_sync {
1502	my ($map) = @_;	2203	my ($map) = @_;
1503		2204
1504	cf::sync_job { $map->load };	2205	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2206	if $Coro::current == $Coro::main;
		2207
		2208	$map->load;
1505	}	2209	}
1506		2210
1507	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2212	our $MAP_PREFETCHER = undef;
1509		2213
1510	sub find_async {	2214	sub find_async {
1511	my ($path, $origin) = @_;	2215	my ($path, $origin, $load) = @_;
1512		2216
1513	$path = normalise $path, $origin && $origin->{path};	2217	$path = normalise $path, $origin && $origin->{path};
1514		2218
1515	if (my $map = $cf::MAP{$path}) {	2219	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2220	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517	}	2221	}
1518		2222
1519	undef $MAP_PREFETCH{$path};	2223	$MAP_PREFETCH{$path} |= $load;
		2224
1520	$MAP_PREFETCHER ||= cf::async {	2225	$MAP_PREFETCHER ||= cf::async {
		2226	$Coro::current->{desc} = "map prefetcher";
		2227
1521	while (%MAP_PREFETCH) {	2228	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2229	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2230	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2231	$map->load if $v;
		2232	}
1526		2233
1527	delete $MAP_PREFETCH{$path};	2234	delete $MAP_PREFETCH{$k};
1528	}	2235	}
1529	}	2236	}
1530	undef $MAP_PREFETCHER;	2237	undef $MAP_PREFETCHER;
1531	};	2238	};
1532	$MAP_PREFETCHER->prio (6);	2239	$MAP_PREFETCHER->prio (6);
1533		2240
1534	()	2241	()
1535	}	2242	}
1536		2243
		2244	# common code, used by both ->save and ->swapout
1537	sub save {	2245	sub _save {
1538	my ($self) = @_;	2246	my ($self) = @_;
1539
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1541		2247
1542	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1543		2249
1544	return unless $self->dirty;	2250	return unless $self->dirty;
1545		2251
…		…
1551	return if $self->{deny_save};	2257	return if $self->{deny_save};
1552		2258
1553	local $self->{last_access} = $self->last_access;#d#	2259	local $self->{last_access} = $self->last_access;#d#
1554		2260
1555	cf::async {	2261	cf::async {
		2262	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2263	$_->contr->save for $self->players;
1557	};	2264	};
		2265
		2266	cf::get_slot 0.02;
1558		2267
1559	if ($uniq) {	2268	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2269	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2270	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2271	} else {
1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1564	}	2273	}
1565	}	2274	}
1566		2275
		2276	sub save {
		2277	my ($self) = @_;
		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
		2281	$self->_save;
		2282	}
		2283
1567	sub swap_out {	2284	sub swap_out {
1568	my ($self) = @_;	2285	my ($self) = @_;
1569		2286
1570	# save first because save cedes
1571	$self->save;
1572
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2288
		2289	return if $self->in_memory != cf::MAP_ACTIVE;
		2290	return if $self->{deny_save};
1575	return if $self->players;	2291	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};
1578		2292
		2293	# first deactivate the map and "unlink" it from the core
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# then atomically save
		2299	$self->_save;
		2300
		2301	# then free the map
1579	$self->clear;	2302	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2303	}
1582		2304
1583	sub reset_at {	2305	sub reset_at {
1584	my ($self) = @_;	2306	my ($self) = @_;
1585		2307
1586	# TODO: safety, remove and allow resettable per-player maps	2308	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2309	return 1e99 if $self->{deny_reset};
1589		2310
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2311	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2312	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2313
…		…
1603	my ($self) = @_;	2324	my ($self) = @_;
1604		2325
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2327
1607	return if $self->players;	2328	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2329
1610	warn "resetting map ", $self->path;#d#	2330	cf::trace "resetting map ", $self->path, "\n";
1611		2331
1612	$self->in_memory (cf::MAP_SWAPPED);	2332	$self->in_memory (cf::MAP_SWAPPED);
1613		2333
1614	# need to save uniques path	2334	# need to save uniques path
1615	unless ($self->{deny_save}) {	2335	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2339	if $uniq;
1620	}	2340	}
1621		2341
1622	delete $cf::MAP{$self->path};	2342	delete $cf::MAP{$self->path};
1623		2343
		2344	$self->deactivate;
		2345	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2346	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2347
1628	$self->unlink_save;	2348	$self->unlink_save;
1629	$self->destroy;	2349	$self->destroy;
1630	}	2350	}
1631		2351
1632	my $nuke_counter = "aaaa";	2352	my $nuke_counter = "aaaa";
1633		2353
1634	sub nuke {	2354	sub nuke {
1635	my ($self) = @_;	2355	my ($self) = @_;
1636		2356
		2357	{
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
1637	delete $cf::MAP{$self->path};	2360	delete $cf::MAP{$self->path};
1638		2361
1639	$self->unlink_save;	2362	$self->unlink_save;
1640		2363
1641	bless $self, "cf::map";	2364	bless $self, "cf::map::wrap";
1642	delete $self->{deny_reset};	2365	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2369
1647	$cf::MAP{$self->path} = $self;	2370	$cf::MAP{$self->path} = $self;
		2371	}
1648		2372
1649	$self->reset; # polite request, might not happen	2373	$self->reset; # polite request, might not happen
		2374	}
		2375
		2376	=item $maps = cf::map::tmp_maps
		2377
		2378	Returns an arrayref with all map paths of currently instantiated and saved
		2379	maps. May block.
		2380
		2381	=cut
		2382
		2383	sub tmp_maps() {
		2384	[
		2385	map {
		2386	utf8::decode $_;
		2387	/\.map$/
		2388	? normalise $_
		2389	: ()
		2390	} @{ aio_readdir $TMPDIR or [] }
		2391	]
		2392	}
		2393
		2394	=item $maps = cf::map::random_maps
		2395
		2396	Returns an arrayref with all map paths of currently instantiated and saved
		2397	random maps. May block.
		2398
		2399	=cut
		2400
		2401	sub random_maps() {
		2402	[
		2403	map {
		2404	utf8::decode $_;
		2405	/\.map$/
		2406	? normalise "?random/$_"
		2407	: ()
		2408	} @{ aio_readdir $RANDOMDIR or [] }
		2409	]
1650	}	2410	}
1651		2411
1652	=item cf::map::unique_maps	2412	=item cf::map::unique_maps
1653		2413
1654	Returns an arrayref of paths of all shared maps that have	2414	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2415	instantiated unique items. May block.
1656		2416
1657	=cut	2417	=cut
1658		2418
1659	sub unique_maps() {	2419	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2420	[
1661	or return;	2421	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2422	utf8::decode $_;
1667	next if /\.pst$/;	2423	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2424	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2425	? ()
1670	push @paths, cf::map::normalise $_;	2426	: normalise $_
		2427	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2428	]
1672
1673	\@paths
1674	}	2429	}
1675		2430
1676	package cf;	2431	=item cf::map::static_maps
		2432
		2433	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2434	file in the shared directory excluding F</styles> and F</editor>). May
		2435	block.
		2436
		2437	=cut
		2438
		2439	sub static_maps() {
		2440	my @dirs = "";
		2441	my @maps;
		2442
		2443	while (@dirs) {
		2444	my $dir = shift @dirs;
		2445
		2446	next if $dir eq "/styles" || $dir eq "/editor";
		2447
		2448	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2449	or return;
		2450
		2451	for (@$files) {
		2452	s/\.map$// or next;
		2453	utf8::decode $_;
		2454	push @maps, "$dir/$_";
		2455	}
		2456
		2457	push @dirs, map "$dir/$_", @$dirs;
		2458	}
		2459
		2460	\@maps
		2461	}
1677		2462
1678	=back	2463	=back
1679		2464
1680	=head3 cf::object	2465	=head3 cf::object
1681		2466
…		…
1685		2470
1686	=over 4	2471	=over 4
1687		2472
1688	=item $ob->inv_recursive	2473	=item $ob->inv_recursive
1689		2474
1690	Returns the inventory of the object _and_ their inventories, recursively.	2475	Returns the inventory of the object I<and> their inventories, recursively,
		2476	but I<not> the object itself.
1691		2477
1692	=cut	2478	=cut
1693		2479
1694	sub inv_recursive_;	2480	sub inv_recursive_;
1695	sub inv_recursive_ {	2481	sub inv_recursive_ {
…		…
1698		2484
1699	sub inv_recursive {	2485	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2486	inv_recursive_ inv $_[0]
1701	}	2487	}
1702		2488
		2489	=item $ref = $ob->ref
		2490
		2491	Creates and returns a persistent reference to an object that can be stored as a string.
		2492
		2493	=item $ob = cf::object::deref ($refstring)
		2494
		2495	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2496	even if the object actually exists. May block.
		2497
		2498	=cut
		2499
		2500	sub deref {
		2501	my ($ref) = @_;
		2502
		2503	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2504	my ($uuid, $name) = ($1, $2);
		2505	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2506	or return;
		2507	$pl->ob->uuid eq $uuid
		2508	or return;
		2509
		2510	$pl->ob
		2511	} else {
		2512	warn "$ref: cannot resolve object reference\n";
		2513	undef
		2514	}
		2515	}
		2516
1703	package cf;	2517	package cf;
1704		2518
1705	=back	2519	=back
1706		2520
1707	=head3 cf::object::player	2521	=head3 cf::object::player
…		…
1713	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2527	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714	can be C<undef>. Does the right thing when the player is currently in a	2528	can be C<undef>. Does the right thing when the player is currently in a
1715	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
1716		2530
1717	=cut	2531	=cut
		2532
		2533	our $SAY_CHANNEL = {
		2534	id => "say",
		2535	title => "Map",
		2536	reply => "say ",
		2537	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2538	};
		2539
		2540	our $CHAT_CHANNEL = {
		2541	id => "chat",
		2542	title => "Chat",
		2543	reply => "chat ",
		2544	tooltip => "Player chat and shouts, global to the server.",
		2545	};
1718		2546
1719	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2548	# with dialog boxes.
1721	#TODO: the first argument must go, split into a $npc->reply_to ( method	2549	#TODO: the first argument must go, split into a $npc->reply_to ( method
1722	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
…		…
1724		2552
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2553	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2554
1727	if ($self->{record_replies}) {	2555	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2556	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2557
1729	} else {	2558	} else {
		2559	my $pl = $self->contr;
		2560
		2561	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2562	my $dialog = $pl->{npc_dialog};
		2563	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2564
		2565	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2568	}
1732	}	2569	}
		2570	}
		2571
		2572	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2573
		2574	=cut
		2575
		2576	sub cf::object::send_msg {
		2577	my $pl = shift->contr
		2578	or return;
		2579	$pl->send_msg (@_);
1733	}	2580	}
1734		2581
1735	=item $player_object->may ("access")	2582	=item $player_object->may ("access")
1736		2583
1737	Returns wether the given player is authorized to access resource "access"	2584	Returns wether the given player is authorized to access resource "access"
…		…
1750		2597
1751	=item $player_object->enter_link	2598	=item $player_object->enter_link
1752		2599
1753	Freezes the player and moves him/her to a special map (C<{link}>).	2600	Freezes the player and moves him/her to a special map (C<{link}>).
1754		2601
1755	The player should be reasonably safe there for short amounts of time. You	2602	The player should be reasonably safe there for short amounts of time (e.g.
1756	I<MUST> call C<leave_link> as soon as possible, though.	2603	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2604	though, as the player cannot control the character while it is on the link
		2605	map.
1757		2606
1758	Will never block.	2607	Will never block.
1759		2608
1760	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
1761		2610
…		…
1781	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
1782	my ($self) = @_;	2631	my ($self) = @_;
1783		2632
1784	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
1785		2634
		2635	++$self->{_link_recursion};
		2636
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2638
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2640	if $self->map && $self->map->{path} ne "{link}";
1790		2641
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1792	}	2643	}
1793		2644
1794	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
		2647
		2648	return unless $self->contr->active;
1796		2649
1797	my $link_pos = delete $self->{_link_pos};	2650	my $link_pos = delete $self->{_link_pos};
1798		2651
1799	unless ($map) {	2652	unless ($map) {
1800	# restore original map position	2653	# restore original map position
…		…
1811	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
1812	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
1813		2666
1814	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
1817		2670
1818	$map->load;	2671	$map->load;
1819	$map->load_diag;	2672	$map->load_neighbours;
1820		2673
1821	return unless $self->contr->active;	2674	return unless $self->contr->active;
1822	$self->activate_recursive;
1823		2675
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2677	if ($self->enter_map ($map, $x, $y)) {
1826	}	2678	# entering was successful
1827		2679	delete $self->{_link_recursion};
1828	cf::player->attach (	2680	# only activate afterwards, to support waiting in hooks
1829	on_logout => sub {	2681	$self->activate_recursive;
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	},	2682	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2683
1842	# try to abort aborted map switching on player login :)	2684	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2685
1860	=item $player_object->goto ($path, $x, $y)	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		2687
		2688	Moves the player to the given map-path and coordinates by first freezing
		2689	her, loading and preparing them map, calling the provided $check callback
		2690	that has to return the map if sucecssful, and then unfreezes the player on
		2691	the new (success) or old (failed) map position. In either case, $done will
		2692	be called at the end of this process.
		2693
		2694	Note that $check will be called with a potentially non-loaded map, so if
		2695	it needs a loaded map it has to call C<< ->load >>.
		2696
1862	=cut	2697	=cut
		2698
		2699	our $GOTOGEN;
1863		2700
1864	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2702	my ($self, $path, $x, $y, $check, $done) = @_;
		2703
		2704	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2705	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2706	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2707	($path, $x, $y) = @$EMERGENCY_POSITION;
		2708	}
		2709
		2710	# do generation counting so two concurrent goto's will be executed in-order
		2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2712
1867	$self->enter_link;	2713	$self->enter_link;
1868		2714
1869	(async {	2715	(async {
		2716	$Coro::current->{desc} = "player::goto $path $x $y";
		2717
		2718	# *tag paths override both path and x|y
		2719	if ($path =~ /^\*(.*)$/) {
		2720	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2721	my $ob = $obs[rand @obs];
		2722
		2723	# see if we actually can go there
		2724	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2725	$ob = $obs[rand @obs];
		2726	} else {
		2727	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2728	}
		2729	# else put us there anyways for now #d#
		2730
		2731	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2732	} else {
		2733	($path, $x, $y) = (undef, undef, undef);
		2734	}
		2735	}
		2736
1870	my $map = eval {	2737	my $map = eval {
1871	my $map = cf::map::find $path;	2738	my $map = defined $path ? cf::map::find $path : undef;
		2739
		2740	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2741	$map = $map->customise_for ($self);
		2742	$map = $check->($map, $x, $y, $self) if $check && $map;
		2743	} else {
		2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2745	}
		2746
1873	$map	2747	$map
		2748	};
		2749
		2750	if ($@) {
		2751	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2753	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2754
		2755	if ($gen == $self->{_goto_generation}) {
		2756	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
		2758	}
		2759
		2760	$done->($self) if $done;
1878	})->prio (1);	2761	})->prio (1);
1879	}	2762	}
1880		2763
1881	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
1882		2765
…		…
1902	}	2785	}
1903		2786
1904	sub prepare_random_map {	2787	sub prepare_random_map {
1905	my ($exit) = @_;	2788	my ($exit) = @_;
1906		2789
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2790	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2791	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2792	# that depends on the exit object
1912		2793
1913	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2796	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2797	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
1920	}	2803	}
1921		2804
1922	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
1923		2806
1924	my $data = cf::to_json $rmp;	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2808	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2809	my $meta = "$RANDOMDIR/$md5.meta";
1927		2810
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2813	undef $fh;
1931	aio_rename "$meta~", $meta;	2814	aio_rename "$meta~", $meta;
1932		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
1935	}	2822	}
1936	}	2823	}
1937		2824
1938	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
1940		2827
1941	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
1942		2829
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;	2830	$self->enter_link;
1953		2831
1954	(async {	2832	(async {
1955	$self->deactivate_recursive; # just to be sure	2833	$Coro::current->{desc} = "enter_exit";
		2834
1956	unless (eval {	2835	unless (eval {
		2836	$self->deactivate_recursive; # just to be sure
		2837
		2838	# random map handling
		2839	{
		2840	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2841
		2842	prepare_random_map $exit
		2843	if $exit->slaying eq "/!";
		2844	}
		2845
		2846	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2847	my $x = $exit->stats->hp;
		2848	my $y = $exit->stats->sp;
		2849
1957	$self->goto ($slaying, $hp, $sp);	2850	$self->goto ($map, $x, $y);
1958		2851
		2852	# if exit is damned, update players death & WoR home-position
		2853	$self->contr->savebed ($map, $x, $y)
		2854	if $exit->flag (cf::FLAG_DAMNED);
		2855
1959	1;	2856	1
1960	}) {	2857	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2859	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2860	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2862
1966	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	2864	$self->leave_link;
1968	}	2865	}
1969	})->prio (1);	2866	})->prio (1);
1970	}	2867	}
1971		2868
…		…
1982		2879
1983	sub cf::client::send_drawinfo {	2880	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2881	my ($self, $text, $flags) = @_;
1985		2882
1986	utf8::encode $text;	2883	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2884	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2885	}
1989		2886
		2887	=item $client->send_big_packet ($pkt)
		2888
		2889	Like C<send_packet>, but tries to compress large packets, and fragments
		2890	them as required.
		2891
		2892	=cut
		2893
		2894	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2895
		2896	sub cf::client::send_big_packet {
		2897	my ($self, $pkt) = @_;
		2898
		2899	# try lzf for large packets
		2900	$pkt = "lzf " . Compress::LZF::compress $pkt
		2901	if 1024 <= length $pkt and $self->{can_lzf};
		2902
		2903	# split very large packets
		2904	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2905	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2906	$pkt = "frag";
		2907	}
		2908
		2909	$self->send_packet ($pkt);
		2910	}
		2911
		2912	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2913
		2914	Send a drawinfo or msg packet to the client, formatting the msg for the
		2915	client if neccessary. C<$type> should be a string identifying the type of
		2916	the message, with C<log> being the default. If C<$color> is negative, suppress
		2917	the message unless the client supports the msg packet.
		2918
		2919	=cut
		2920
		2921	# non-persistent channels (usually the info channel)
		2922	our %CHANNEL = (
		2923	"c/motd" => {
		2924	id => "infobox",
		2925	title => "MOTD",
		2926	reply => undef,
		2927	tooltip => "The message of the day",
		2928	},
		2929	"c/identify" => {
		2930	id => "infobox",
		2931	title => "Identify",
		2932	reply => undef,
		2933	tooltip => "Items recently identified",
		2934	},
		2935	"c/examine" => {
		2936	id => "infobox",
		2937	title => "Examine",
		2938	reply => undef,
		2939	tooltip => "Signs and other items you examined",
		2940	},
		2941	"c/shopinfo" => {
		2942	id => "infobox",
		2943	title => "Shop Info",
		2944	reply => undef,
		2945	tooltip => "What your bargaining skill tells you about the shop",
		2946	},
		2947	"c/book" => {
		2948	id => "infobox",
		2949	title => "Book",
		2950	reply => undef,
		2951	tooltip => "The contents of a note or book",
		2952	},
		2953	"c/lookat" => {
		2954	id => "infobox",
		2955	title => "Look",
		2956	reply => undef,
		2957	tooltip => "What you saw there",
		2958	},
		2959	"c/who" => {
		2960	id => "infobox",
		2961	title => "Players",
		2962	reply => undef,
		2963	tooltip => "Shows players who are currently online",
		2964	},
		2965	"c/body" => {
		2966	id => "infobox",
		2967	title => "Body Parts",
		2968	reply => undef,
		2969	tooltip => "Shows which body parts you posess and are available",
		2970	},
		2971	"c/statistics" => {
		2972	id => "infobox",
		2973	title => "Statistics",
		2974	reply => undef,
		2975	tooltip => "Shows your primary statistics",
		2976	},
		2977	"c/skills" => {
		2978	id => "infobox",
		2979	title => "Skills",
		2980	reply => undef,
		2981	tooltip => "Shows your experience per skill and item power",
		2982	},
		2983	"c/shopitems" => {
		2984	id => "infobox",
		2985	title => "Shop Items",
		2986	reply => undef,
		2987	tooltip => "Shows the items currently for sale in this shop",
		2988	},
		2989	"c/resistances" => {
		2990	id => "infobox",
		2991	title => "Resistances",
		2992	reply => undef,
		2993	tooltip => "Shows your resistances",
		2994	},
		2995	"c/pets" => {
		2996	id => "infobox",
		2997	title => "Pets",
		2998	reply => undef,
		2999	tooltip => "Shows information abotu your pets/a specific pet",
		3000	},
		3001	"c/perceiveself" => {
		3002	id => "infobox",
		3003	title => "Perceive Self",
		3004	reply => undef,
		3005	tooltip => "You gained detailed knowledge about yourself",
		3006	},
		3007	"c/uptime" => {
		3008	id => "infobox",
		3009	title => "Uptime",
		3010	reply => undef,
		3011	tooltip => "How long the server has been running since last restart",
		3012	},
		3013	"c/mapinfo" => {
		3014	id => "infobox",
		3015	title => "Map Info",
		3016	reply => undef,
		3017	tooltip => "Information related to the maps",
		3018	},
		3019	"c/party" => {
		3020	id => "party",
		3021	title => "Party",
		3022	reply => "gsay ",
		3023	tooltip => "Messages and chat related to your party",
		3024	},
		3025	"c/death" => {
		3026	id => "death",
		3027	title => "Death",
		3028	reply => undef,
		3029	tooltip => "Reason for and more info about your most recent death",
		3030	},
		3031	"c/say" => $SAY_CHANNEL,
		3032	"c/chat" => $CHAT_CHANNEL,
		3033	);
		3034
		3035	sub cf::client::send_msg {
		3036	my ($self, $channel, $msg, $color, @extra) = @_;
		3037
		3038	$msg = $self->pl->expand_cfpod ($msg)
		3039	unless $color & cf::NDI_VERBATIM;
		3040
		3041	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3042
		3043	# check predefined channels, for the benefit of C
		3044	if ($CHANNEL{$channel}) {
		3045	$channel = $CHANNEL{$channel};
		3046
		3047	$self->ext_msg (channel_info => $channel);
		3048	$channel = $channel->{id};
		3049
		3050	} elsif (ref $channel) {
		3051	# send meta info to client, if not yet sent
		3052	unless (exists $self->{channel}{$channel->{id}}) {
		3053	$self->{channel}{$channel->{id}} = $channel;
		3054	$self->ext_msg (channel_info => $channel);
		3055	}
		3056
		3057	$channel = $channel->{id};
		3058	}
		3059
		3060	return unless @extra || length $msg;
		3061
		3062	# default colour, mask it out
		3063	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3064	if $color & cf::NDI_DEF;
		3065
		3066	my $pkt = "msg "
		3067	. $self->{json_coder}->encode (
		3068	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3069	);
		3070
		3071	$self->send_big_packet ($pkt);
		3072	}
		3073
		3074	=item $client->ext_msg ($type, @msg)
		3075
		3076	Sends an ext event to the client.
		3077
		3078	=cut
		3079
		3080	sub cf::client::ext_msg($$@) {
		3081	my ($self, $type, @msg) = @_;
		3082
		3083	if ($self->extcmd == 2) {
		3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3085	} elsif ($self->extcmd == 1) { # TODO: remove
		3086	push @msg, msgtype => "event_$type";
		3087	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3088	}
		3089	}
		3090
		3091	=item $client->ext_reply ($msgid, @msg)
		3092
		3093	Sends an ext reply to the client.
		3094
		3095	=cut
		3096
		3097	sub cf::client::ext_reply($$@) {
		3098	my ($self, $id, @msg) = @_;
		3099
		3100	if ($self->extcmd == 2) {
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3102	} elsif ($self->extcmd == 1) {
		3103	#TODO: version 1, remove
		3104	unshift @msg, msgtype => "reply", msgid => $id;
		3105	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3106	}
		3107	}
1990		3108
1991	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
1992		3110
1993	Queues a query to the client, calling the given callback with	3111	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>,	3112	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>.	3113	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		3114
1997	Queries can fail, so check the return code. Or don't, as queries will become	3115	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	3116	become reliable at some point in the future.
1999		3117
2000	=cut	3118	=cut
2001		3119
2002	sub cf::client::query {	3120	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3121	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3129	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3130	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3131
2014	$self->send_packet ($self->{query_queue}[0][0])	3132	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3133	if @{ $self->{query_queue} } == 1;
		3134
		3135	1
2016	}	3136	}
2017		3137
2018	cf::client->attach (	3138	cf::client->attach (
		3139	on_connect => sub {
		3140	my ($ns) = @_;
		3141
		3142	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3143	},
2019	on_reply => sub {	3144	on_reply => sub {
2020	my ($ns, $msg) = @_;	3145	my ($ns, $msg) = @_;
2021		3146
2022	# this weird shuffling is so that direct followup queries	3147	# this weird shuffling is so that direct followup queries
2023	# get handled first	3148	# get handled first
…		…
2035	} else {	3160	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3161	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3162	}
2038	}	3163	}
2039	},	3164	},
		3165	on_exticmd => sub {
		3166	my ($ns, $buf) = @_;
		3167
		3168	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3169
		3170	if (ref $msg) {
		3171	my ($type, $reply, @payload) =
		3172	"ARRAY" eq ref $msg
		3173	? @$msg
		3174	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3175
		3176	my @reply;
		3177
		3178	if (my $cb = $EXTICMD{$type}) {
		3179	@reply = $cb->($ns, @payload);
		3180	}
		3181
		3182	$ns->ext_reply ($reply, @reply)
		3183	if $reply;
		3184
		3185	} else {
		3186	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3187	}
		3188
		3189	cf::override;
		3190	},
2040	);	3191	);
2041		3192
2042	=item $client->async (\&cb)	3193	=item $client->async (\&cb)
2043		3194
2044	Create a new coroutine, running the specified callback. The coroutine will	3195	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3211
2061	$coro	3212	$coro
2062	}	3213	}
2063		3214
2064	cf::client->attach (	3215	cf::client->attach (
2065	on_destroy => sub {	3216	on_client_destroy => sub {
2066	my ($ns) = @_;	3217	my ($ns) = @_;
2067		3218
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3220	},
2070	);	3221	);
…		…
2085	our $safe = new Safe "safe";	3236	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
2087		3238
2088	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
2089		3240
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3241	$safe->permit_only (Opcode::opset qw(
		3242	:base_core :base_mem :base_orig :base_math :base_loop
		3243	grepstart grepwhile mapstart mapwhile
		3244	sort time
		3245	));
2091		3246
2092	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
2093		3248
2094	=pod	3249	=pod
2095		3250
2096	The following fucntions and emthods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
2097		3252
2098	cf::object contr pay_amount pay_player map	3253	cf::object
		3254	contr pay_amount pay_player map x y force_find force_add destroy
		3255	insert remove name archname title slaying race decrease split
		3256	value
		3257
2099	cf::object::player player	3258	cf::object::player
2100	cf::player peaceful	3259	player
2101	cf::map trigger	3260
		3261	cf::player
		3262	peaceful
		3263
		3264	cf::map
		3265	trigger
2102		3266
2103	=cut	3267	=cut
2104		3268
2105	for (	3269	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3270	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3271	insert remove inv nrof name archname title slaying race
		3272	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
2110	) {	3276	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3279	for @funs;
2115	}	3280	}
2116		3281
…		…
2131		3296
2132	my $qcode = $code;	3297	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
2135		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
2136	local $_;	3304	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3305
2139	my $eval =	3306	my $eval =
2140	"do {\n"	3307	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3310	. $code
2144	. "\n}"	3311	. "\n}"
2145	;	3312	;
2146		3313
		3314	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3318	sub_generation_inc;
		3319	} else {
		3320	local @cf::_safe_eval_args = values %vars;
		3321	@res = wantarray ? eval eval : scalar eval $eval;
		3322	}
2150		3323
2151	if ($@) {	3324	if ($@) {
2152	warn "$@";	3325	warn "$@",
2153	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
2155	}	3328	}
2156		3329
2157	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
2158	}	3331	}
2159		3332
…		…
2173	=cut	3346	=cut
2174		3347
2175	sub register_script_function {	3348	sub register_script_function {
2176	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
2177		3350
2178	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
2180	}	3353	}
2181		3354
2182	=back	3355	=back
2183		3356
2184	=cut	3357	=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		3358
2258	#############################################################################	3359	#############################################################################
2259	# the server's init and main functions	3360	# the server's init and main functions
2260		3361
		3362	# async inc loader. yay.
		3363	sub inc_loader {
		3364	my $mod = $_[1];
		3365
		3366	if (in_main && !tick_inhibit) {
		3367	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3368	} else {
		3369	debug "loading perl module $mod\n";
		3370	}
		3371
		3372	# 1. find real file
		3373	for my $dir (@ORIG_INC) {
		3374	ref $dir and next;
		3375	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3376	or next;
		3377
		3378	$data = "#line 1 $dir/$mod\n$data";
		3379
		3380	open my $fh, "<", \$data or die;
		3381
		3382	return $fh;
		3383	}
		3384
		3385	()
		3386	}
		3387
		3388	sub init_inc {
		3389	# save original @INC
		3390	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3391
		3392	# make sure we can do scalar-opens
		3393	open my $dummy, "<", \my $dummy2;
		3394
		3395	# execute some stuff so perl load's some of the core modules
		3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
		3398
		3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3400
		3401	debug "module loading will be asynchronous from this point on.";
		3402	}
		3403
		3404	sub load_facedata($) {
		3405	my ($path) = @_;
		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
		3413	trace "loading facedata from $path\n";
		3414
		3415	my $facedata;
		3416	0 < aio_load $path, $facedata
		3417	or die "$path: $!";
		3418
		3419	$facedata = Coro::Storable::thaw $facedata;
		3420
		3421	$facedata->{version} == 2
		3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
		3433	{
		3434	my $faces = $facedata->{faceinfo};
		3435
		3436	while (my ($face, $info) = each %$faces) {
		3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
		3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
		3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3443
		3444	cf::cede_to_tick;
		3445	}
		3446
		3447	while (my ($face, $info) = each %$faces) {
		3448	next unless $info->{smooth};
		3449
		3450	my $idx = cf::face::find $face
		3451	or next;
		3452
		3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
		3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3456	} else {
		3457	error "smooth face '$info->{smooth}' not found for face '$face'";
		3458	}
		3459
		3460	cf::cede_to_tick;
		3461	}
		3462	}
		3463
		3464	{
		3465	my $anims = $facedata->{animinfo};
		3466
		3467	while (my ($anim, $info) = each %$anims) {
		3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3469	cf::cede_to_tick;
		3470	}
		3471
		3472	cf::anim::invalidate_all; # d'oh
		3473	}
		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
		3494	1
		3495	}
		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
2261	sub load_resources {	3505	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
		3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
		3520	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3521	or die "unable to load regions file\n";
2264	}
2265		3522
2266	sub cfg_load {	3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
		3527	}
		3528
		3529	sub reload_facedata {
		3530	load_facedata "$DATADIR/facedata"
		3531	or die "unable to load facedata\n";
		3532	}
		3533
		3534	sub reload_archetypes {
		3535	load_resource_file "$DATADIR/archetypes"
		3536	or die "unable to load archetypes\n";
		3537	}
		3538
		3539	sub reload_treasures {
		3540	load_resource_file "$DATADIR/treasures"
		3541	or die "unable to load treasurelists\n";
		3542	}
		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
		3567	sub reload_resources {
		3568	trace "reloading resource files...\n";
		3569
		3570	reload_facedata;
		3571	reload_sound;
		3572	reload_archetypes;
		3573	reload_regions;
		3574	reload_treasures;
		3575
		3576	trace "finished reloading resource files\n";
		3577	}
		3578
		3579	sub reload_config {
		3580	trace "reloading config file...\n";
		3581
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3583	or return;
2269		3584
2270	local $/;	3585	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
2272		3587
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3589
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3590	$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};	3591	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2277		3592
2278	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3597	};
2283	warn $@ if $@;	3598	warn $@ if $@;
2284	}	3599	}
2285	}
2286		3600
2287	sub init {	3601	trace "finished reloading resource files\n";
2288	load_resources;	3602	}
		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3630	}
2290		3631
2291	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2292	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3645	(async {
2296	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2298	};	3649	};
2299		3650
2300	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	init_inc;
		3655
		3656	cf::init_experience;
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662	cf::load_materials;
		3663
		3664	reload_resources;
		3665	reload_config;
2301	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2302	load_extensions;	3676	load_extensions;
2303		3677
2304	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2305	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	(pop @POST_INIT)->(0) while @POST_INIT;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2306	}	3696	}
2307		3697
2308	#############################################################################	3698	#############################################################################
2309	# initialisation and cleanup	3699	# initialisation and cleanup
2310		3700
2311	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2312	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3705	$SIGWATCHER{$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";	3706	cf::cleanup "SIG$signal";
2321	},
2322	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2323	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2324	}	3797	}
2325		3798
2326	sub emergency_save() {	3799	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2328		3801
2329	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2330		3808
2331	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2332	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3820	$pl->save;
2340	}	3821	}
2341	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2342		3823
2343	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3829	$map->valid or next;
2347	$map->save;	3830	$map->save;
2348	}	3831	}
2349	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2350		3833
2351	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3862	};
2355		3863
2356	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2357	}	3865	}
2358		3866
2359	sub post_cleanup {	3867	sub post_cleanup {
2360	my ($make_core) = @_;	3868	my ($make_core) = @_;
2361		3869
		3870	IO::AIO::flush;
		3871
2362	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3873	if $make_core;
2364	}
2365		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
		3902	}
		3903
2366	sub reload() {	3904	sub do_reload_perl() {
2367	# can/must only be called in main	3905	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
2369	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2370	return;	3908	return;
2371	}	3909	}
2372		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
2373	warn "reloading...";	3916	info "reloading...";
2374		3917
2375	warn "entering sync_job";	3918	trace "entering sync_job";
2376		3919
2377	cf::sync_job {	3920	cf::sync_job {
2378	cf::write_runtime; # external watchdog should not bark
2379	cf::emergency_save;	3921	cf::emergency_save;
2380	cf::write_runtime; # external watchdog should not bark
2381		3922
2382	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;
2384
2385	# if anything goes wrong in here, we should simply crash as we already saved
2386
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";
2399	}
2400
2401	warn "cancelling all extension coros";	3923	trace "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3925	%EXT_CORO = ();
2404		3926
2405	warn "removing commands";	3927	trace "removing commands";
2406	%COMMAND = ();	3928	%COMMAND = ();
2407		3929
2408	warn "removing ext commands";	3930	trace "removing ext/exti commands";
2409	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2410		3933
2411	warn "unloading/nuking all extensions";	3934	trace "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2414		3937
2415	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2416	eval {	3939	eval {
2417	$cb->($pkg);	3940	$cb->($pkg);
2418	1	3941	1
2419	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2420	}	3947	}
2421		3948
2422	warn "... nuking $pkg";
2423	Symbol::delete_package $pkg;
2424	}
2425
2426	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "unloading all perl modules loaded from $LIBDIR";
2427	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		3952
2430	warn "... unloading $k";	3953	trace "... unloading $k";
2431	delete $INC{$k};	3954	delete $INC{$k};
2432		3955
2433	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2435		3958
2436	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2437	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2438	}	3964	}
2439		3965
2440	Symbol::delete_package $k;
2441	}
2442
2443	warn "getting rid of safe::, as good as possible";	3966	trace "getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3969
2447	warn "unloading cf.pm \"a bit\"";	3970	trace "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
		3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2449		3973
2450	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3975	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2453		3977
2454	warn "unload completed, starting to reload now";	3978	info "unload completed, starting to reload now";
2455		3979
2456	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
2457	require cf;	3981	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2459		3983
2460	warn "loading config and database again";	3984	trace "loading config and database again";
2461	cf::cfg_load;	3985	cf::reload_config;
2462		3986
2463	warn "loading extensions";	3987	trace "loading extensions";
2464	cf::load_extensions;	3988	cf::load_extensions;
2465		3989
		3990	if ($REATTACH_ON_RELOAD) {
2466	warn "reattaching attachments to objects/players";	3991	trace "reattaching attachments to objects/players";
2467	_global_reattach;	3992	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3993	trace "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
		3995	trace "reattaching attachments to players";
		3996	reattach $_ for values %PLAYER;
		3997	}
2470		3998
2471	warn "loading reloadable resources";	3999	trace "running post_init jobs";
2472	load_resources;	4000	(pop @POST_INIT)->(1) while @POST_INIT;
2473		4001
2474	warn "leaving sync_job";	4002	trace "leaving sync_job";
2475		4003
2476	1	4004	1
2477	} or do {	4005	} or do {
2478	warn $@;	4006	error $@;
2479	warn "error while reloading, exiting.";	4007	cf::cleanup "error while reloading, exiting.";
2480	exit 1;	4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
		4012	}
		4013
		4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
		4016	};
		4017
		4018	our $RELOAD_WATCHER; # used only during reload
		4019
		4020	sub reload_perl() {
		4021	# doing reload synchronously and two reloads happen back-to-back,
		4022	# coro crashes during coro_state_free->destroy here.
		4023
		4024	$RELOAD_WATCHER ||= cf::async {
		4025	Coro::AIO::aio_wait cache_extensions;
		4026
		4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4028	do_reload_perl;
		4029	undef $RELOAD_WATCHER;
		4030	};
2481	};	4031	};
2482		4032	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		4033
2488	register_command "reload" => sub {	4034	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
2490		4036
2491	if ($who->flag (FLAG_WIZ)) {	4037	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	4038	$who->message ("reloading server.");
2493		4039	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	4040	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	4041	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	4042	};
2506	}	4043	}
2507	};	4044	};
2508		4045
2509	unshift @INC, $LIBDIR;	4046	#############################################################################
2510		4047
2511	my $bug_warning = 0;	4048	my $bug_warning = 0;
2512		4049
2513	$TICK_WATCHER = Event->timer (	4050	our @WAIT_FOR_TICK;
2514	reentrant => 0,	4051	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	4052
2516	prio => 0,	4053	sub wait_for_tick {
2517	at => $NEXT_TICK || $TICK,	4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2518	data => WF_AUTOCANCEL,	4055
2519	cb => sub {	4056	my $signal = new Coro::Signal;
		4057	push @WAIT_FOR_TICK, $signal;
		4058	$signal->wait;
		4059	}
		4060
		4061	sub wait_for_tick_begin {
		4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4063
		4064	my $signal = new Coro::Signal;
		4065	push @WAIT_FOR_TICK_BEGIN, $signal;
		4066	$signal->wait;
		4067	}
		4068
		4069	sub tick {
2520	if ($Coro::current != $Coro::main) {	4070	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4071	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	4072	unless ++$bug_warning > 10;
2523	return;	4073	return;
2524	}	4074	}
2525		4075
2526	$NOW = Event::time;
2527
2528	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		4077
		4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4079
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534	Coro::async_pool {	4082	Coro::async_pool {
		4083	$Coro::current->{desc} = "runtime saver";
2535	write_runtime	4084	write_runtime_sync
2536	or warn "ERROR: unable to write runtime file: $!";	4085	or error "ERROR: unable to write runtime file: $!";
2537	};
2538	}	4086	};
2539
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},	4087	}
2553	);	4088
		4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4090	$sig->send;
		4091	}
		4092	while (my $sig = shift @WAIT_FOR_TICK) {
		4093	$sig->send;
		4094	}
		4095
		4096	$LOAD = ($NOW - $TICK_START) / $TICK;
		4097	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4098
		4099	if (0) {
		4100	if ($NEXT_TICK) {
		4101	my $jitter = $TICK_START - $NEXT_TICK;
		4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4103	debug "jitter $JITTER\n";#d#
		4104	}
		4105	}
		4106	}
2554		4107
2555	{	4108	{
2556	BDB::max_poll_time $TICK * 0.1;	4109	# configure BDB
2557	$BDB_POLL_WATCHER = Event->io (	4110
2558	reentrant => 0,
2559	fd => BDB::poll_fileno,
2560	poll => 'r',
2561	prio => 0,
2562	data => WF_AUTOCANCEL,
2563	cb => \&BDB::poll_cb,
2564	);
2565	BDB::min_parallel 8;	4111	BDB::min_parallel 16;
2566		4112	BDB::max_poll_reqs $TICK * 0.1;
2567	BDB::set_sync_prepare {	4113	$AnyEvent::BDB::WATCHER->priority (1);
2568	my $status;
2569	my $current = $Coro::current;
2570	(
2571	sub {
2572	$status = $!;
2573	$current->ready; undef $current;
2574	},
2575	sub {
2576	Coro::schedule while defined $current;
2577	$! = $status;
2578	},
2579	)
2580	};
2581		4114
2582	unless ($DB_ENV) {	4115	unless ($DB_ENV) {
2583	$DB_ENV = BDB::db_env_create;	4116	$DB_ENV = BDB::db_env_create;
		4117	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4118	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4119	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4120	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4121	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584		4122
2585	cf::sync_job {	4123	cf::sync_job {
2586	eval {	4124	eval {
2587	BDB::db_env_open	4125	BDB::db_env_open
2588	$DB_ENV,	4126	$DB_ENV,
2589	$BDB_ENV_DIR,	4127	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4128	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4129	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	4130	0666;
2593		4131
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4132	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;
2598	};	4133	};
2599		4134
2600	cf::cleanup "db_env_open(db): $@" if $@;	4135	cf::cleanup "db_env_open(db): $@" if $@;
2601	};	4136	};
2602	}	4137	}
		4138
		4139	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4140	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4141	};
		4142	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4143	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4144	};
		4145	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4146	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4147	};
2603	}	4148	}
2604		4149
2605	{	4150	{
		4151	# configure IO::AIO
		4152
2606	IO::AIO::min_parallel 8;	4153	IO::AIO::min_parallel 8;
2607
2608	undef $Coro::AIO::WATCHER;
2609	IO::AIO::max_poll_time $TICK * 0.1;	4154	IO::AIO::max_poll_time $TICK * 0.1;
2610	$AIO_POLL_WATCHER = Event->io (	4155	undef $AnyEvent::AIO::WATCHER;
2611	reentrant => 0,
2612	data => WF_AUTOCANCEL,
2613	fd => IO::AIO::poll_fileno,
2614	poll => 'r',
2615	prio => 6,
2616	cb => \&IO::AIO::poll_cb,
2617	);
2618	}	4156	}
		4157
		4158	my $_log_backtrace;
		4159
		4160	sub _log_backtrace {
		4161	my ($msg, @addr) = @_;
		4162
		4163	$msg =~ s/\n//;
		4164
		4165	# limit the # of concurrent backtraces
		4166	if ($_log_backtrace < 2) {
		4167	++$_log_backtrace;
		4168	my $perl_bt = Carp::longmess $msg;
		4169	async {
		4170	$Coro::current->{desc} = "abt $msg";
		4171
		4172	my @bt = fork_call {
		4173	@addr = map { sprintf "%x", $_ } @addr;
		4174	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4175	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4176	or die "addr2line: $!";
		4177
		4178	my @funcs;
		4179	my @res = <$fh>;
		4180	chomp for @res;
		4181	while (@res) {
		4182	my ($func, $line) = splice @res, 0, 2, ();
		4183	push @funcs, "[$func] $line";
		4184	}
		4185
		4186	@funcs
		4187	};
		4188
		4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4191	LOG llevInfo, "[ABT] $_\n" for @bt;
		4192	--$_log_backtrace;
		4193	};
		4194	} else {
		4195	LOG llevInfo, "[ABT] $msg\n";
		4196	LOG llevInfo, "[ABT] [suppressed]\n";
		4197	}
		4198	}
		4199
		4200	# load additional modules
		4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
2619		4203
2620	END { cf::emergency_save }	4204	END { cf::emergency_save }
2621		4205
2622	1	4206	1
2623		4207

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