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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC vs.
Revision 1.535 by root, Thu Apr 29 08:21:28 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
20	use BDB ();	56	use BDB ();
21	use Data::Dumper;	57	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	58	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
26	use Time::HiRes;	61	use Time::HiRes;
27	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
28		64
		65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		77
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	121	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
61		130
62	our %CFG;	131	our %CFG;
63		132
64	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
66		136
67	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		140
76	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
79	binmode STDOUT;	154	binmode STDOUT;
80	binmode STDERR;	155	binmode STDERR;
81		156
82	# read virtual server time, if available	157	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
87	}	162	}
88		163
89	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	165
91	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		168
96	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
97		170
98	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		187
100	#############################################################################	188	#############################################################################
101		189
102	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
103		191
…		…
110	=item $cf::RUNTIME	198	=item $cf::RUNTIME
111		199
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	201	every server tick.
114		202
115	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		206
117	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
119		211
120	=item $cf::NOW	212	=item $cf::NOW
121		213
122	The time of the last (current) server tick.	214	The time of the last (current) server tick.
123		215
124	=item $cf::TICK	216	=item $cf::TICK
125		217
126	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
127		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
128	=item %cf::CFG	230	=item %cf::CFG
129		231
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	233	from wherever your confdir points to.
132		234
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		236
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
139		252
140	=back	253	=back
141		254
142	=cut	255	=cut
143		256
144	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	264	my $msg = join "", @_;
147	utf8::encode $msg;
148		265
149	$msg .= "\n"	266	$msg .= "\n"
150	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
151		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
152	LOG llevError, $msg;	271	LOG llevWarn, $msg;
153	};	272	};
154	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
155		287
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		295
163	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	297	# within the Safe compartment.
165	for my $pkg (qw(	298	for my $pkg (qw(
166	cf::global cf::attachable	299	cf::global cf::attachable
167	cf::object cf::object::player	300	cf::object cf::object::player
168	cf::client cf::player	301	cf::client cf::player
169	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
170	cf::map cf::party cf::region	304	cf::party cf::region
171	)) {	305	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	307	}
175		308
176	$Event::DIED = sub {	309	$EV::DIED = sub {
177	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
178	};	311	};
		312
		313	#############################################################################
179		314
180	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
181		316
182	=over 4	317	=over 4
183		318
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	338	$d
204	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
205	}	340	}
206		341
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
210		343
211	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
212		345
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
221		347
222	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
223		349
224	=cut	350	=cut
225		351
226	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
228	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
229	}	369	}
230		370
231	=item cf::lock_wait $string	371	=item cf::lock_wait $string
232		372
233	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
234		374
235	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
236		376
237	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
240	returned.	380	returned.
241		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
242	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
244		387
245	=cut	388	=item $locked = cf::lock_active $string
246		389
247	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
248		395
249	sub lock_wait($) {	396	sub lock_wait($) {
250	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	398	}
258		399
259	sub lock_acquire($) {	400	sub lock_acquire($) {
260	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
261		403
262	# wait, to be sure we are not locked	404	sub lock_active($) {
263	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	406	}
272		407
273	sub freeze_mainloop {	408	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
275		410
276	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	412	}
278	$WRITE_RUNTIME_WATCHER->start;	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
279	};	478	}
280	$WRITE_RUNTIME_WATCHER->stop;	479	};
281	$TICK_WATCHER->stop;	480
282	$guard	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
283	}	494	}
284		495
285	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
286		497
287	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		503
293	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
294		505
295	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
296		507
297	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
300		512
301	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
304	fast or be very important.	516	fast or be very important.
…		…
306	=cut	518	=cut
307		519
308	sub sync_job(&) {	520	sub sync_job(&) {
309	my ($job) = @_;	521	my ($job) = @_;
310		522
311	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
312	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
314		528
315	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	530
317	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
318		532
319	my $busy = 1;	533	my $busy = 1;
320	my @res;	534	my @res;
321		535
322	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	538	@res = eval { $job->() };
324	warn $@ if $@;	539	error $@ if $@;
325	undef $busy;	540	undef $busy;
326	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
327		542
328	while ($busy) {	543	while ($busy) {
329	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
330	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
331		554
332	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
333	} else {	556	} else {
334	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
335		558
…		…
355	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
356		579
357	$coro	580	$coro
358	}	581	}
359		582
360	sub write_runtime {	583	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		584
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
364	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
365		589
366	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		591
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
371	and return;	593	my ($cb, @args) = @_;
372		594
373	# always fsync - this file is important	595	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	596	# otherwise perl prematurely frees the stuff :/
375	and return;	597	# TODO: investigate and fix (likely this will be rather laborious)
376		598
377	close $fh	599	my @res = Coro::Util::fork_eval {
378	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
379		603
380	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
381	and return;	605	}
382		606
		607	sub objinfo {
383	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	783	}
385		784
386	=back	785	=back
387		786
388	=cut	787	=cut
389		788
390	#############################################################################	789	#############################################################################
391		790
392	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
393		792
394	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
397		796
398	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	799	Deliantra).
401		800
402	=over 4	801	=over 4
403		802
404	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
405		804
…		…
449	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
450		849
451	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
453		852
454	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
456		855
457	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
458		857
459	=over 4	858	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
569		968
570	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		973
575	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	975	my $pkg = shift @arg;
577		976
578	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
583		982
584	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		985
587	} elsif (ref $type) {	986	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
589		988
590	} else {	989	} else {
591	shift @arg;	990	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
593	}	992	}
594	}	993	}
595	}	994	}
596		995
597	sub _object_attach {	996	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
608	}	1007	}
609		1008
610	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
611	} else {	1010	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1012	}
614		1013
615	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
616	}	1015	}
617		1016
…		…
619	if (ref $_[0]) {	1018	if (ref $_[0]) {
620	_object_attach @_;	1019	_object_attach @_;
621	} else {	1020	} else {
622	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
623	}	1022	}
		1023	_recalc_want;
624	};	1024	};
625		1025
626	# all those should be optimised	1026	# all those should be optimised
627	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1032	reattach ($obj);
633	} else {	1033	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
635	}	1035	}
		1036	_recalc_want;
636	};	1037	};
637		1038
638	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
640		1041
…		…
655	";	1056	";
656	die if $@;	1057	die if $@;
657	}	1058	}
658		1059
659	our $override;	1060	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1062
662	sub override {	1063	sub override {
663	$override = 1;	1064	$override = 1;
664	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
665	}	1066	}
666		1067
667	sub do_invoke {	1068	sub do_invoke {
668	my $event = shift;	1069	my $event = shift;
669	my $callbacks = shift;	1070	my $callbacks = shift;
670		1071
671	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
672		1073
673	local $override;	1074	local $override;
674		1075
675	for (@$callbacks) {	1076	for (@$callbacks) {
676	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
677		1078
678	if ($@) {	1079	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1081	override;
682	}	1082	}
683		1083
684	return 1 if $override;	1084	return 1 if $override;
685	}	1085	}
686		1086
687	0	1087	0
688	}	1088	}
689		1089
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1091
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1093
694	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
695		1095
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1099
700	=back	1100	=back
701		1101
702	=cut	1102	=cut
703		1103
704	#############################################################################	1104	#############################################################################
705	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
706		1148
707	sub reattach {	1149	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1151	my ($obj) = @_;
710		1152
		1153	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1155
713	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
714		1157
715	@$registry = ();	1158	@$registry = ();
716		1159
…		…
721	for (@$attach) {	1164	for (@$attach) {
722	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
724	}	1167	}
725	} else {	1168	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1170	}
728	}	1171	}
729	}	1172	}
730		1173
731	cf::attachable->attach (	1174	cf::attachable->attach (
732	prio => -1000000,	1175	prio => -1000000,
733	on_instantiate => sub {	1176	on_instantiate => sub {
734	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
735		1178
736	$data = from_json $data;	1179	$data = decode_json $data;
737		1180
738	for (@$data) {	1181	for (@$data) {
739	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
740		1183
741	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1200	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
759		1202
760	sync_job {	1203	sync_job {
761	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
764		1209
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
769	close $fh;	1217	aio_close $fh;
770		1218
771	if (@$objs) {	1219	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
777	close $fh;	1228	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
779	}	1230	}
780	} else {	1231	} else {
781	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
782	}	1233	}
783		1234
784	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1239	} else {
786	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
787	}	1241	}
788	} else {	1242	} else {
789	aio_unlink $filename;	1243	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
791	}	1245	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1246	};
799	}	1247	}
800		1248
801	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
803		1251
…		…
808		1256
809	sub object_thawer_load {	1257	sub object_thawer_load {
810	my ($filename) = @_;	1258	my ($filename) = @_;
811		1259
812	my ($data, $av);	1260	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1261
817	(aio_load $filename, $data) >= 0	1262	(aio_load $filename, $data) >= 0
818	or return;	1263	or return;
819		1264
820	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
822	or return;	1267	or return;
		1268
823	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
824	}	1271	}
825		1272
		1273	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
828	return ($data, $av);	1278	($data, $av)
829	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
830		1286
831	#############################################################################	1287	#############################################################################
832	# command handling &c	1288	# command handling &c
833		1289
834	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1304	}
849		1305
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1307
852	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
853		1313
854	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
855	called.	1315	called.
856		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
857	=cut	1328	=cut
858		1329
859	sub register_extcmd {	1330	sub register_extcmd {
860	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
861		1332
862	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
863	}	1334	}
864		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
865	cf::player->attach (	1344	cf::player->attach (
866	on_command => sub {	1345	on_unknown_command => sub {
867	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
868		1347
869	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
870	or return;	1349	or return;
871		1350
…		…
876	cf::override;	1355	cf::override;
877	},	1356	},
878	on_extcmd => sub {	1357	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
880		1359
881	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1361
883	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
889	} else {	1377	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1379	}
892		1380
893	cf::override;	1381	cf::override;
894	},	1382	},
895	);	1383	);
896		1384
		1385	# "readahead" all extensions
897	sub load_extension {	1386	sub cache_extensions {
898	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
899		1388
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1392	}
925	die $@;
926	}	1393	};
927		1394
928	push @EXTS, $pkg;	1395	$grp
929	}	1396	}
930		1397
931	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
932	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1405	next unless -r $path;
934	eval {	1406
935	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
936	1	1470	}
937	} or warn "$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	}
938	}	1481	};
939	}	1482	}
940		1483
941	#############################################################################	1484	#############################################################################
942		1485
		1486	=back
		1487
943	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
944		1489
945	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
946		1491
947	=cut	1492	=cut
948		1493
949	package cf::player;	1494	package cf::player;
950		1495
…		…
952		1497
953	=head3 cf::player	1498	=head3 cf::player
954		1499
955	=over 4	1500	=over 4
956		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
957	=item cf::player::find $login	1516	=item cf::player::find $login
958		1517
959	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
960		1519
961	=cut	1520	=cut
962		1521
963	sub playerdir($) {	1522	sub playerdir($) {
964	cf::localdir	1523	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1525	}
970		1526
971	sub path($) {	1527	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1529
974	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
975	}	1531	}
976		1532
977	sub find_active($) {	1533	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
982		1538
983	sub exists($) {	1539	sub exists($) {
984	my ($login) = @_;	1540	my ($login) = @_;
985		1541
986	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
988	}	1544	}
989		1545
990	sub find($) {	1546	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1548	my $login = $_[0];
993		1549
994	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
995		1551
996	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
997	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
998	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;
999	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1000	}	1569	}
1001	}	1570	}
1002	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($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	);
1003		1585
1004	sub save($) {	1586	sub save($) {
1005	my ($pl) = @_;	1587	my ($pl) = @_;
1006		1588
1007	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1013		1595
1014	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1016		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
1017	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1018	Coro::cede;	1605	cf::cede_to_tick;
1019	}	1606	}
1020		1607
1021	sub new($) {	1608	sub new($) {
1022	my ($login) = @_;	1609	my ($login) = @_;
1023		1610
…		…
1029	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1030		1617
1031	$self	1618	$self
1032	}	1619	}
1033		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
1034	=item $pl->quit_character	1631	=item $pl->quit_character
1035		1632
1036	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1038		1635
1039	=cut	1636	=cut
1040		1637
1041	sub quit_character {	1638	sub quit_character {
1042	my ($pl) = @_;	1639	my ($pl) = @_;
1043		1640
		1641	my $name = $pl->ob->name;
		1642
1044	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1045	$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
1046		1645
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1051		1651
1052	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1678	}
1059		1679
1060	=item cf::player::list_logins	1680	=item cf::player::list_logins
1061		1681
1062	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
1063	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1064		1684
1065	=cut	1685	=cut
1066		1686
1067	sub list_logins {	1687	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1689	or return [];
1070		1690
1071	my @logins;	1691	my @logins;
1072		1692
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1077		1703
1078	utf8::decode $login;	1704	utf8::decode $login;
1079	push @logins, $login;	1705	push @logins, $login;
1080	}	1706	}
1081		1707
1082	\@logins	1708	\@logins
1083	}	1709	}
1084		1710
1085	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1086		1714
1087	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1088	player. May block.	1716	player. May block.
1089		1717
1090	=cut	1718	=cut
…		…
1108	}	1736	}
1109		1737
1110	\@paths	1738	\@paths
1111	}	1739	}
1112		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1114		1746
1115	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1116		1748
1117	=cut	1749	=cut
1118		1750
1119	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1121		1753
1122	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1755	}
1126		1756
1127	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	}
1128		1799
1129	=back	1800	=back
1130
1131		1801
1132	=head3 cf::map	1802	=head3 cf::map
1133		1803
1134	=over 4	1804	=over 4
1135		1805
…		…
1147	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1149		1819
1150	sub generate_random_map {	1820	sub generate_random_map {
1151	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
1152	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1826	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1158	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1182		1855
1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184	}	1857	}
1185		1858
1186	# also paths starting with '/'	1859	# also paths starting with '/'
1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1188		1861
1189	sub thawer_merge {	1862	sub thawer_merge {
1190	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1191		1864
1192	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1193	local $self->{path};	1866	local $self->{path};
1194	local $self->{load_path};	1867	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1868
1198	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1199	}	1870	}
1200		1871
1201	sub normalise {	1872	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1249	return $self;	1920	return $self;
1250	}	1921	}
1251	}	1922	}
1252		1923
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1925	()
1255	}	1926	}
1256		1927
1257	sub init {	1928	sub init {
1258	my ($self) = @_;	1929	my ($self) = @_;
…		…
1273		1944
1274	# the original (read-only) location	1945	# the original (read-only) location
1275	sub load_path {	1946	sub load_path {
1276	my ($self) = @_;	1947	my ($self) = @_;
1277		1948
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1279	}	1950	}
1280		1951
1281	# the temporary/swap location	1952	# the temporary/swap location
1282	sub save_path {	1953	sub save_path {
1283	my ($self) = @_;	1954	my ($self) = @_;
1284		1955
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1287	}	1958	}
1288		1959
1289	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1290	sub uniq_path {	1961	sub uniq_path {
1291	my ($self) = @_;	1962	my ($self) = @_;
1292		1963
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1295	}	1966	}
1296		1967
1297	# and all this just because we cannot iterate over	1968	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	1969	my ($self) = @_;
1301		1970
1302	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1304	}	1974	}
1305		1975
1306	sub unlink_save {	1976	sub unlink_save {
1307	my ($self) = @_;	1977	my ($self) = @_;
1308		1978
1309	utf8::encode (my $save = $self->save_path);	1979	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1981	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1982	}
1318		1983
1319	sub load_header_from($) {	1984	sub load_header_from($) {
1320	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1321		1986
1322	utf8::encode $path;	1987	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1328		1996
1329	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1330		1998
1331	1	1999	1
1332	}	2000	}
…		…
1371	$self->load_header_orig	2039	$self->load_header_orig
1372	or return;	2040	or return;
1373	$self->prepare_orig;	2041	$self->prepare_orig;
1374	}	2042	}
1375		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
1376	1	2050	1
1377	}	2051	}
1378		2052
1379	sub find;	2053	sub find;
1380	sub find {	2054	sub find {
1381	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1382		2056
1383	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1384		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2061
1387	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1390	or return;	2064	or return;
1391		2065
1392	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1393		2067
1394	$map->load_header	2068	$map->load_header
1395	or return;	2069	or return;
1396		2070
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1400	$map->reset;	2076	$map->reset;
1401	undef $guard;
1402	return find $path;	2077	return find $path;
1403	}	2078	}
1404		2079
1405	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1406	}	2081	}
1407	}	2082	}
1408		2083
1409	sub pre_load { }	2084	sub pre_load { }
1410	sub post_load { }	2085	#sub post_load { } # XS
1411		2086
1412	sub load {	2087	sub load {
1413	my ($self) = @_;	2088	my ($self) = @_;
1414		2089
1415	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1416		2091
1417	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1419		2096
		2097	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2099
1422	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1423		2101
1424	$self->alloc;	2102	$self->alloc;
1425		2103
1426	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1427		2106
1428	$self->_load_objects ($self->{load_path}, 1)	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1429	or return;	2110	or return;
1430		2111
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1432	if delete $self->{load_original};	2113	if delete $self->{load_original};
1433		2114
1434	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2116	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2119	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1439	}	2123	}
1440	}	2124	}
1441		2125
1442	Coro::cede;	2126	$f->resolve_delayed_derefs;
1443		2127
		2128	cf::cede_to_tick;
1444	# now do the right thing for maps	2129	# now do the right thing for maps
1445	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2132	unless $self->difficulty;
1455	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1456	$self->activate;	2140	$self->activate;
		2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2147	}
1458		2148
1459	$self->post_load;	2149	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2150	}
1463		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2155	sub customise_for {
1465	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1466		2157
1467	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2159	if $self->per_player;
1469		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1470	$self	2164	$self
1471	}	2165	}
1472		2166
1473	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2168	sub load_neighbours {
1475	my ($map) = @_;	2169	my ($map) = @_;
1476		2170
1477	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1478		2172
1479	for (0 .. 3) {	2173	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1481	or next;	2175	or next;
1482	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1483	or next;	2177	or next;
1484	$neigh->load;	2178	$neigh->load;
1485		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2184	}
1489		2185
1490	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1492	or next;	2189	or next;
1493	$neigh->load;	2190	$neigh->load;
1494	}	2191	}
1495	}	2192	}
1496		2193
1497	sub find_sync {	2194	sub find_sync {
1498	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1499		2196
1500	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1501	}	2201	}
1502		2202
1503	sub do_load_sync {	2203	sub do_load_sync {
1504	my ($map) = @_;	2204	my ($map) = @_;
1505		2205
1506	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1507	}	2210	}
1508		2211
1509	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1511		2214
1512	sub find_async {	2215	sub find_async {
1513	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1514		2217
1515	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1516		2219
1517	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2222	}
1520		2223
1521	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1522	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1523	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2231	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2232	$map->load if $v;
		2233	}
1528		2234
1529	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1530	}	2236	}
1531	}	2237	}
1532	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1533	};	2239	};
1534	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1535		2241
1536	()	2242	()
1537	}	2243	}
1538		2244
		2245	# common code, used by both ->save and ->swapout
1539	sub save {	2246	sub _save {
1540	my ($self) = @_;	2247	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2248
1544	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1545		2250
1546	return unless $self->dirty;	2251	return unless $self->dirty;
1547		2252
…		…
1553	return if $self->{deny_save};	2258	return if $self->{deny_save};
1554		2259
1555	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1556		2261
1557	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1559	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1560		2268
1561	if ($uniq) {	2269	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2272	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2274	}
1567	}	2275	}
1568		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1569	sub swap_out {	2285	sub swap_out {
1570	my ($self) = @_;	2286	my ($self) = @_;
1571		2287
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1577	return if $self->players;	2292	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1581	$self->clear;	2303	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2304	}
1584		2305
1585	sub reset_at {	2306	sub reset_at {
1586	my ($self) = @_;	2307	my ($self) = @_;
1587		2308
1588	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1591		2311
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2314
…		…
1605	my ($self) = @_;	2325	my ($self) = @_;
1606		2326
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2328
1609	return if $self->players;	2329	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2330
1612	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1613		2332
1614	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1615		2334
1616	# need to save uniques path	2335	# need to save uniques path
1617	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2340	if $uniq;
1622	}	2341	}
1623		2342
1624	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1625		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2347	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2348
1630	$self->unlink_save;	2349	$self->unlink_save;
1631	$self->destroy;	2350	$self->destroy;
1632	}	2351	}
1633		2352
1634	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1635		2354
1636	sub nuke {	2355	sub nuke {
1637	my ($self) = @_;	2356	my ($self) = @_;
1638		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1639	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1640		2362
1641	$self->unlink_save;	2363	$self->unlink_save;
1642		2364
1643	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2370
1649	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1650		2373
1651	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1652	}	2411	}
1653		2412
1654	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1655		2414
1656	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2416	instantiated unique items. May block.
1658		2417
1659	=cut	2418	=cut
1660		2419
1661	sub unique_maps() {	2420	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1663	or return;	2422	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2423	utf8::decode $_;
1669	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2426	? ()
1672	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2429	]
1674
1675	\@paths
1676	}	2430	}
1677		2431
1678	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1679		2463
1680	=back	2464	=back
1681		2465
1682	=head3 cf::object	2466	=head3 cf::object
1683		2467
…		…
1687		2471
1688	=over 4	2472	=over 4
1689		2473
1690	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1691		2475
1692	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1693		2478
1694	=cut	2479	=cut
1695		2480
1696	sub inv_recursive_;	2481	sub inv_recursive_;
1697	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1700		2485
1701	sub inv_recursive {	2486	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1703	}	2488	}
1704		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1705	package cf;	2518	package cf;
1706		2519
1707	=back	2520	=back
1708		2521
1709	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1718		2531
1719	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1720		2547
1721	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2549	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1726		2553
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2555
1729	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1731	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1734	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1735	}	2581	}
1736		2582
1737	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1738		2584
1739	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1752		2598
1753	=item $player_object->enter_link	2599	=item $player_object->enter_link
1754		2600
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2602
1757	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1759		2607
1760	Will never block.	2608	Will never block.
1761		2609
1762	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1763		2611
…		…
1783	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2632	my ($self) = @_;
1785		2633
1786	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1787		2635
		2636	++$self->{_link_recursion};
		2637
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2639
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1792		2642
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2644	}
1795		2645
1796	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1798		2650
1799	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1800		2652
1801	unless ($map) {	2653	unless ($map) {
1802	# restore original map position	2654	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1815		2667
1816	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1819		2671
1820	$map->load;	2672	$map->load;
1821	$map->load_diag;	2673	$map->load_neighbours;
1822		2674
1823	return unless $self->contr->active;	2675	return unless $self->contr->active;
		2676
		2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2678	if ($self->enter_map ($map, $x, $y)) {
		2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
1824	$self->activate_recursive;	2682	$self->activate_recursive;
1825	$self->enter_map ($map, $x, $y);
1826	}
1827
1828	cf::player->attach (
1829	on_logout => sub {
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},	2683	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2684
1842	# try to abort aborted map switching on player login :)	2685	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2686
1860	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1862	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1863		2701
1864	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2713
1867	$self->enter_link;	2714	$self->enter_link;
1868		2715
1869	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1870	my $map = eval {	2738	my $map = eval {
1871	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1873	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2754	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1878	})->prio (1);	2762	})->prio (1);
1879	}	2763	}
1880		2764
1881	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1882		2766
…		…
1902	}	2786	}
1903		2787
1904	sub prepare_random_map {	2788	sub prepare_random_map {
1905	my ($exit) = @_;	2789	my ($exit) = @_;
1906		2790
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2793	# that depends on the exit object
1912		2794
1913	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2797	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1920	}	2804	}
1921		2805
1922	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1923		2807
1924	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1927		2811
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2814	undef $fh;
1931	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1932		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1935	}	2823	}
1936	}	2824	}
1937		2825
1938	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
1940		2828
1941	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1942		2830
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2831	$self->enter_link;
1953		2832
1954	(async {	2833	(async {
1955	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1956	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
1957	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
1958		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1959	1;	2857	1
1960	}) {	2858	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2863
1966	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	2865	$self->leave_link;
1968	}	2866	}
1969	})->prio (1);	2867	})->prio (1);
1970	}	2868	}
1971		2869
…		…
1982		2880
1983	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1985		2883
1986	utf8::encode $text;	2884	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2886	}
1989		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
1990		3109
1991	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1992		3111
1993	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		3115
1997	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	3117	become reliable at some point in the future.
1999		3118
2000	=cut	3119	=cut
2001		3120
2002	sub cf::client::query {	3121	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3130	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3132
2014	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2016	}	3137	}
2017		3138
2018	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2019	on_reply => sub {	3145	on_reply => sub {
2020	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2021		3147
2022	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2023	# get handled first	3149	# get handled first
…		…
2035	} else {	3161	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3163	}
2038	}	3164	}
2039	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2040	);	3192	);
2041		3193
2042	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2043		3195
2044	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3212
2061	$coro	3213	$coro
2062	}	3214	}
2063		3215
2064	cf::client->attach (	3216	cf::client->attach (
2065	on_destroy => sub {	3217	on_client_destroy => sub {
2066	my ($ns) = @_;	3218	my ($ns) = @_;
2067		3219
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3221	},
2070	);	3222	);
…		…
2085	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2087		3239
2088	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2089		3241
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2091		3247
2092	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2093		3249
2094	=pod	3250	=pod
2095		3251
2096	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2097		3253
2098	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2099	cf::object::player player	3259	cf::object::player
2100	cf::player peaceful	3260	player
2101	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2102		3267
2103	=cut	3268	=cut
2104		3269
2105	for (	3270	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2110	) {	3277	) {
2111	no strict 'refs';	3278	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2131		3298
2132	my $qcode = $code;	3299	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2135		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2136	local $_;	3306	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3307
2139	my $eval =	3308	my $eval =
2140	"do {\n"	3309	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3312	. $code
2144	. "\n}"	3313	. "\n}"
2145	;	3314	;
2146		3315
		3316	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2150		3325
2151	if ($@) {	3326	if ($@) {
2152	warn "$@";	3327	warn "$@",
2153	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2155	}	3330	}
2156		3331
2157	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2158	}	3333	}
2159		3334
…		…
2173	=cut	3348	=cut
2174		3349
2175	sub register_script_function {	3350	sub register_script_function {
2176	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2177		3352
2178	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2180	}	3355	}
2181		3356
2182	=back	3357	=back
2183		3358
2184	=cut	3359	=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		3360
2258	#############################################################################	3361	#############################################################################
2259	# the server's init and main functions	3362	# the server's init and main functions
2260		3363
		3364	sub load_facedata($) {
		3365	my ($path) = @_;
		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
		3373	trace "loading facedata from $path\n";
		3374
		3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
		3378
		3379	$facedata = Coro::Storable::thaw $facedata;
		3380
		3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
		3393	{
		3394	my $faces = $facedata->{faceinfo};
		3395
		3396	while (my ($face, $info) = each %$faces) {
		3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
		3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
		3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3403
		3404	cf::cede_to_tick;
		3405	}
		3406
		3407	while (my ($face, $info) = each %$faces) {
		3408	next unless $info->{smooth};
		3409
		3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
		3454	1
		3455	}
		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
2261	sub load_resources {	3465	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3481	or die "unable to load regions file\n";
2264	}
2265		3482
2266	sub cfg_load {	3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
		3527	sub reload_resources {
		3528	trace "reloading resource files...\n";
		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
		3533	reload_regions;
		3534	reload_treasures;
		3535
		3536	trace "finished reloading resource files\n";
		3537	}
		3538
		3539	sub reload_config {
		3540	trace "reloading config file...\n";
		3541
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3543	or return;
2269		3544
2270	local $/;	3545	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2272		3547
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3549
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2277		3552
2278	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3557	};
2283	warn $@ if $@;	3558	warn $@ if $@;
2284	}	3559	}
2285	}
2286		3560
2287	sub init {	3561	trace "finished reloading resource files\n";
2288	load_resources;	3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3590	}
2290		3591
2291	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2292	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3605	(async {
2296	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2298	};	3609	};
2299		3610
2300	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2301	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2302	load_extensions;	3634	load_extensions;
2303		3635
2304	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2305	$WRITE_RUNTIME_WATCHER->start;	3637
2306	Event::loop;	3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2307	}	3649	}
2308		3650
2309	#############################################################################	3651	#############################################################################
2310	# initialisation and cleanup	3652	# initialisation and cleanup
2311		3653
2312	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2313	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2314	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2315	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2316	reentrant => 0,
2317	data => WF_AUTOCANCEL,
2318	signal => $signal,
2319	prio => 0,
2320	cb => sub {
2321	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2322	},
2323	);	3660	};
		3661	}
		3662	}
		3663
		3664	sub write_runtime_sync {
		3665	my $t0 = AE::time;
		3666
		3667	# first touch the runtime file to show we are still running:
		3668	# the fsync below can take a very very long time.
		3669
		3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3671
		3672	my $guard = cf::lock_acquire "write_runtime";
		3673
		3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3675	or return;
		3676
		3677	my $value = $cf::RUNTIME + 90 + 10;
		3678	# 10 is the runtime save interval, for a monotonic clock
		3679	# 60 allows for the watchdog to kill the server.
		3680
		3681	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3682	and return;
		3683
		3684	# always fsync - this file is important
		3685	aio_fsync $fh
		3686	and return;
		3687
		3688	# touch it again to show we are up-to-date
		3689	aio_utime $fh, undef, undef;
		3690
		3691	close $fh
		3692	or return;
		3693
		3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3695	and return;
		3696
		3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3698
2324	}	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2325	}	3750	}
2326		3751
2327	sub emergency_save() {	3752	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2329		3754
2330	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2331		3761
2332	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2333	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2334	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2335	# and maps saved/destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2336	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2337	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2338	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2339	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2340	$pl->save;	3773	$pl->save;
2341	}	3774	}
2342	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2343		3776
2344	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2345	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2346	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2347	$map->valid or next;	3782	$map->valid or next;
2348	$map->save;	3783	$map->save;
2349	}	3784	}
2350	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
2351		3786
2352	warn "begin emergency database checkpoint\n";	3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
2353	BDB::db_env_txn_checkpoint $DB_ENV;	3790	BDB::db_env_txn_checkpoint $DB_ENV;
2354	warn "end emergency database checkpoint\n";	3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync()\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync()\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2355	};	3815	};
2356		3816
2357	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2358	}	3818	}
2359		3819
2360	sub post_cleanup {	3820	sub post_cleanup {
2361	my ($make_core) = @_;	3821	my ($make_core) = @_;
2362		3822
		3823	IO::AIO::flush;
		3824
		3825	IO::AIO::flush;
		3826
2363	warn Carp::longmess "post_cleanup backtrace"	3827	error Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3828	if $make_core;
2365	}
2366		3829
		3830	my $fh = pidfile;
		3831	unlink $PIDFILE if <$fh> == $$;
		3832	}
		3833
		3834	# a safer delete_package, copied from Symbol
		3835	sub clear_package($) {
		3836	my $pkg = shift;
		3837
		3838	# expand to full symbol table name if needed
		3839	unless ($pkg =~ /^main::.*::$/) {
		3840	$pkg = "main$pkg" if $pkg =~ /^::/;
		3841	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3842	$pkg .= '::' unless $pkg =~ /::$/;
		3843	}
		3844
		3845	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3846	my $stem_symtab = *{$stem}{HASH};
		3847
		3848	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3849	or return;
		3850
		3851	# clear all symbols
		3852	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3853	for my $name (keys %$leaf_symtab) {
		3854	_gv_clear *{"$pkg$name"};
		3855	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3856	}
		3857	}
		3858
2367	sub reload() {	3859	sub do_reload_perl() {
2368	# can/must only be called in main	3860	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	3861	if (in_main) {
2370	warn "can only reload from main coroutine";	3862	error "can only reload from main coroutine";
2371	return;	3863	return;
2372	}	3864	}
2373		3865
		3866	return if $RELOAD++;
		3867
		3868	my $t1 = AE::time;
		3869
		3870	while ($RELOAD) {
2374	warn "reloading...";	3871	info "reloading...";
2375		3872
2376	warn "entering sync_job";	3873	trace "entering sync_job";
2377		3874
2378	cf::sync_job {	3875	cf::sync_job {
2379	cf::write_runtime;
2380	cf::emergency_save;	3876	cf::emergency_save;
2381	cf::write_runtime;
2382		3877
2383	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;
2385
2386	# if anything goes wrong in here, we should simply crash as we already saved
2387
2388	warn "cancelling all WF_AUTOCANCEL watchers";
2389	for (Event::all_watchers) {
2390	$_->cancel if $_->data & WF_AUTOCANCEL;
2391	}
2392
2393	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";
2400	}
2401
2402	warn "cancelling all extension coros";	3878	trace "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3879	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3880	%EXT_CORO = ();
2405		3881
2406	warn "removing commands";	3882	trace "removing commands";
2407	%COMMAND = ();	3883	%COMMAND = ();
2408		3884
2409	warn "removing ext commands";	3885	trace "removing ext/exti commands";
2410	%EXTCMD = ();	3886	%EXTCMD = ();
		3887	%EXTICMD = ();
2411		3888
2412	warn "unloading/nuking all extensions";	3889	trace "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3890	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3891	trace "... unloading $pkg";
2415		3892
2416	if (my $cb = $pkg->can ("unload")) {	3893	if (my $cb = $pkg->can ("unload")) {
2417	eval {	3894	eval {
2418	$cb->($pkg);	3895	$cb->($pkg);
2419	1	3896	1
2420	} or warn "$pkg unloaded, but with errors: $@";	3897	} or error "$pkg unloaded, but with errors: $@";
		3898	}
		3899
		3900	trace "... clearing $pkg";
		3901	clear_package $pkg;
2421	}	3902	}
2422		3903
2423	warn "... nuking $pkg";
2424	Symbol::delete_package $pkg;
2425	}
2426
2427	warn "unloading all perl modules loaded from $LIBDIR";	3904	trace "unloading all perl modules loaded from $LIBDIR";
2428	while (my ($k, $v) = each %INC) {	3905	while (my ($k, $v) = each %INC) {
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3906	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3907
2431	warn "... unloading $k";	3908	trace "... unloading $k";
2432	delete $INC{$k};	3909	delete $INC{$k};
2433		3910
2434	$k =~ s/\.pm$//;	3911	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;	3912	$k =~ s/\//::/g;
2436		3913
2437	if (my $cb = $k->can ("unload_module")) {	3914	if (my $cb = $k->can ("unload_module")) {
2438	$cb->();	3915	$cb->();
		3916	}
		3917
		3918	clear_package $k;
2439	}	3919	}
2440		3920
2441	Symbol::delete_package $k;
2442	}
2443
2444	warn "getting rid of safe::, as good as possible";	3921	trace "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3922	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3923	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3924
2448	warn "unloading cf.pm \"a bit\"";	3925	trace "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3926	delete $INC{"cf.pm"};
		3927	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450		3928
2451	# don't, removes xs symbols, too,	3929	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3930	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3931	#clear_package __PACKAGE__;
2454		3932
2455	warn "unload completed, starting to reload now";	3933	info "unload completed, starting to reload now";
2456		3934
2457	warn "reloading cf.pm";	3935	trace "reloading cf.pm";
2458	require cf;	3936	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3937	cf::_connect_to_perl_1;
2460		3938
2461	warn "loading config and database again";	3939	trace "loading config and database again";
2462	cf::cfg_load;	3940	cf::reload_config;
2463		3941
2464	warn "loading extensions";	3942	trace "loading extensions";
2465	cf::load_extensions;	3943	cf::load_extensions;
2466		3944
		3945	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	3946	trace "reattaching attachments to objects/players";
2468	_global_reattach;	3947	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3948	trace "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3949	reattach $_ for values %MAP;
		3950	trace "reattaching attachments to players";
		3951	reattach $_ for values %PLAYER;
		3952	}
2471		3953
2472	warn "loading reloadable resources";	3954	trace "running post_init jobs";
2473	load_resources;	3955	(pop @POST_INIT)->(1) while @POST_INIT;
2474		3956
2475	warn "leaving sync_job";	3957	trace "leaving sync_job";
2476		3958
2477	1	3959	1
2478	} or do {	3960	} or do {
2479	warn $@;	3961	error $@;
2480	warn "error while reloading, exiting.";	3962	cf::cleanup "error while reloading, exiting.";
2481	exit 1;	3963	};
		3964
		3965	info "reloaded";
		3966	--$RELOAD;
		3967	}
		3968
		3969	$t1 = AE::time - $t1;
		3970	info "reload completed in ${t1}s\n";
		3971	};
		3972
		3973	our $RELOAD_WATCHER; # used only during reload
		3974
		3975	sub reload_perl() {
		3976	# doing reload synchronously and two reloads happen back-to-back,
		3977	# coro crashes during coro_state_free->destroy here.
		3978
		3979	$RELOAD_WATCHER ||= cf::async {
		3980	Coro::AIO::aio_wait cache_extensions;
		3981
		3982	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3983	do_reload_perl;
		3984	undef $RELOAD_WATCHER;
		3985	};
2482	};	3986	};
2483		3987	}
2484	warn "reloaded";
2485	};
2486
2487	our $RELOAD_WATCHER; # used only during reload
2488		3988
2489	register_command "reload" => sub {	3989	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	3990	my ($who, $arg) = @_;
2491		3991
2492	if ($who->flag (FLAG_WIZ)) {	3992	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	3993	$who->message ("reloading server.");
2494		3994	async {
2495	# doing reload synchronously and two reloads happen back-to-back,	3995	$Coro::current->{desc} = "perl_reload";
2496	# coro crashes during coro_state_free->destroy here.
2497
2498	$RELOAD_WATCHER ||= Event->timer (
2499	reentrant => 0,
2500	after => 0,
2501	data => WF_AUTOCANCEL,
2502	cb => sub {
2503	reload;	3996	reload_perl;
2504	undef $RELOAD_WATCHER;
2505	},
2506	);	3997	};
2507	}	3998	}
2508	};	3999	};
2509		4000
2510	unshift @INC, $LIBDIR;	4001	unshift @INC, $LIBDIR;
2511		4002
2512	my $bug_warning = 0;	4003	my $bug_warning = 0;
2513		4004
2514	$TICK_WATCHER = Event->timer (	4005	our @WAIT_FOR_TICK;
2515	reentrant => 0,	4006	our @WAIT_FOR_TICK_BEGIN;
2516	parked => 1,	4007
2517	prio => 0,	4008	sub wait_for_tick {
2518	at => $NEXT_TICK || $TICK,	4009	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2519	data => WF_AUTOCANCEL,	4010
2520	cb => sub {	4011	my $signal = new Coro::Signal;
		4012	push @WAIT_FOR_TICK, $signal;
		4013	$signal->wait;
		4014	}
		4015
		4016	sub wait_for_tick_begin {
		4017	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4018
		4019	my $signal = new Coro::Signal;
		4020	push @WAIT_FOR_TICK_BEGIN, $signal;
		4021	$signal->wait;
		4022	}
		4023
		4024	sub tick {
2521	if ($Coro::current != $Coro::main) {	4025	if ($Coro::current != $Coro::main) {
2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4026	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2523	unless ++$bug_warning > 10;	4027	unless ++$bug_warning > 10;
2524	return;	4028	return;
2525	}	4029	}
2526		4030
2527	$NOW = Event::time;
2528
2529	cf::server_tick; # one server iteration	4031	cf::server_tick; # one server iteration
2530	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;
2532		4032
2533	$WAIT_FOR_TICK->broadcast;	4033	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2535		4034
2536	# my $AFTER = Event::time;	4035	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2537	# warn $AFTER - $NOW;#d#	4036	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2538		4037	Coro::async_pool {
2539	# if we are delayed by four ticks or more, skip them all	4038	$Coro::current->{desc} = "runtime saver";
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4039	write_runtime_sync
2541		4040	or error "ERROR: unable to write runtime file: $!";
2542	$TICK_WATCHER->at ($NEXT_TICK);	4041	};
2543	$TICK_WATCHER->start;
2544	},	4042	}
2545	);	4043
		4044	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4045	$sig->send;
		4046	}
		4047	while (my $sig = shift @WAIT_FOR_TICK) {
		4048	$sig->send;
		4049	}
		4050
		4051	$LOAD = ($NOW - $TICK_START) / $TICK;
		4052	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4053
		4054	if (0) {
		4055	if ($NEXT_TICK) {
		4056	my $jitter = $TICK_START - $NEXT_TICK;
		4057	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4058	debug "jitter $JITTER\n";#d#
		4059	}
		4060	}
		4061	}
2546		4062
2547	{	4063	{
2548	BDB::max_poll_time $TICK * 0.1;	4064	# configure BDB
2549	$BDB_POLL_WATCHER = Event->io (	4065
2550	reentrant => 0,
2551	fd => BDB::poll_fileno,
2552	poll => 'r',
2553	prio => 0,
2554	data => WF_AUTOCANCEL,
2555	cb => \&BDB::poll_cb,
2556	);
2557	BDB::min_parallel 8;	4066	BDB::min_parallel 16;
2558		4067	BDB::max_poll_reqs $TICK * 0.1;
2559	BDB::set_sync_prepare {	4068	$AnyEvent::BDB::WATCHER->priority (1);
2560	my $status;
2561	my $current = $Coro::current;
2562	(
2563	sub {
2564	$status = $!;
2565	$current->ready; undef $current;
2566	},
2567	sub {
2568	Coro::schedule while defined $current;
2569	$! = $status;
2570	},
2571	)
2572	};
2573		4069
2574	unless ($DB_ENV) {	4070	unless ($DB_ENV) {
2575	$DB_ENV = BDB::db_env_create;	4071	$DB_ENV = BDB::db_env_create;
		4072	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4073	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4074	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4075	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4076	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2576		4077
2577	cf::sync_job {	4078	cf::sync_job {
2578	eval {	4079	eval {
2579	BDB::db_env_open	4080	BDB::db_env_open
2580	$DB_ENV,	4081	$DB_ENV,
2581	$BDB_ENV_DIR,	4082	$BDBDIR,
2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4083	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4084	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	4085	0666;
2585		4086
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4087	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587
2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2589	$DB_ENV->set_lk_detect;
2590	};	4088	};
2591		4089
2592	cf::cleanup "db_env_open(db): $@" if $@;	4090	cf::cleanup "db_env_open(db): $@" if $@;
2593	};	4091	};
2594	}	4092	}
		4093
		4094	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4095	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4096	};
		4097	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4098	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4099	};
		4100	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4101	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4102	};
2595	}	4103	}
2596		4104
2597	{	4105	{
		4106	# configure IO::AIO
		4107
2598	IO::AIO::min_parallel 8;	4108	IO::AIO::min_parallel 8;
2599
2600	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	4109	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	4110	undef $AnyEvent::AIO::WATCHER;
2603	reentrant => 0,
2604	fd => IO::AIO::poll_fileno,
2605	poll => 'r',
2606	prio => 6,
2607	data => WF_AUTOCANCEL,
2608	cb => \&IO::AIO::poll_cb,
2609	);
2610	}	4111	}
2611		4112
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	4113	my $_log_backtrace;
2613	reentrant => 0,
2614	data => WF_AUTOCANCEL,
2615	parked => 1,
2616	after => 1,
2617	interval => 10,
2618	prio => 6, # keep it lowest so it acts like a watchdog
2619	cb => sub {
2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621		4114
2622	Coro::async_pool {	4115	sub _log_backtrace {
2623	write_runtime	4116	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	4117
		4118	$msg =~ s/\n//;
		4119
		4120	# limit the # of concurrent backtraces
		4121	if ($_log_backtrace < 2) {
		4122	++$_log_backtrace;
		4123	my $perl_bt = Carp::longmess $msg;
		4124	async {
		4125	$Coro::current->{desc} = "abt $msg";
		4126
		4127	my @bt = fork_call {
		4128	@addr = map { sprintf "%x", $_ } @addr;
		4129	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4130	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4131	or die "addr2line: $!";
		4132
		4133	my @funcs;
		4134	my @res = <$fh>;
		4135	chomp for @res;
		4136	while (@res) {
		4137	my ($func, $line) = splice @res, 0, 2, ();
		4138	push @funcs, "[$func] $line";
		4139	}
		4140
		4141	@funcs
		4142	};
		4143
		4144	LOG llevInfo, "[ABT] $perl_bt\n";
		4145	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4146	LOG llevInfo, "[ABT] $_\n" for @bt;
		4147	--$_log_backtrace;
2625	};	4148	};
		4149	} else {
		4150	LOG llevInfo, "[ABT] $msg\n";
		4151	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	4152	}
2627	);	4153	}
		4154
		4155	# load additional modules
		4156	require "cf/$_.pm" for @EXTRA_MODULES;
		4157	cf::_connect_to_perl_2;
2628		4158
2629	END { cf::emergency_save }	4159	END { cf::emergency_save }
2630		4160
2631	1	4161	1
2632		4162

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