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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		80
36	our %COMMAND = ();	81	our %COMMAND = ();
37	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
38		83
39	our @EXTS = (); # list of extension package names	84	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
43		89
		90	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	91	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
46		94
47	our $TICK = MAX_TIME * 1e-6;	95	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	96	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	97	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	98	our $PODDIR = "$DATADIR/pod";
		99	our $MAPDIR = "$DATADIR/" . mapdir;
		100	our $LOCALDIR = localdir;
		101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		104	our $RANDOMDIR = "$LOCALDIR/random";
		105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
		116
		117	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	119	our $NEXT_TICK;
52	our $NOW;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
		124	our $BDB_TRICKLE_WATCHER;
		125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
54		128
55	our %CFG;	129	our %CFG;
56		130
57	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
59		134
60	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	137	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		138
68	# used to convert map paths into valid unix filenames by replacing / by ∕	139	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		141
		142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
		145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
		151
71	binmode STDOUT;	152	binmode STDOUT;
72	binmode STDERR;	153	binmode STDERR;
73		154
74	# read virtual server time, if available	155	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
76	open my $fh, "<", cf::localdir . "/runtime"	157	open my $fh, "<", $RUNTIMEFILE
77	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
78	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
79	}	160	}
80		161
81	mkdir cf::localdir;	162	eval "sub TICK() { $TICK } 1" or die;
82	mkdir cf::localdir . "/" . cf::playerdir;	163
83	mkdir cf::localdir . "/" . cf::tmpdir;	164	mkdir $_
84	mkdir cf::localdir . "/" . cf::uniquedir;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
85	mkdir $RANDOM_MAPS;
86		166
87	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
88		168
89	sub cf::map::normalise;	169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
90		185
91	#############################################################################	186	#############################################################################
92		187
93	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
94		189
…		…
101	=item $cf::RUNTIME	196	=item $cf::RUNTIME
102		197
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	198	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	199	every server tick.
105		200
106	=item $cf::LIBDIR	201	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		202	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		203	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		204
108	The perl library directory, where extensions and cf-specific modules can	205	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	206	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		207	unique-items directory, player file directory, random maps directory and
		208	database environment.
110		209
111	=item $cf::NOW	210	=item $cf::NOW
112		211
113	The time of the last (current) server tick.	212	The time of the last (current) server tick.
114		213
115	=item $cf::TICK	214	=item $cf::TICK
116		215
117	The interval between server ticks, in seconds.	216	The interval between server ticks, in seconds.
118		217
		218	=item $cf::LOADAVG
		219
		220	The current CPU load on the server (alpha-smoothed), as a value between 0
		221	(none) and 1 (overloaded), indicating how much time is spent on processing
		222	objects per tick. Healthy values are < 0.5.
		223
		224	=item $cf::LOAD
		225
		226	The raw value load value from the last tick.
		227
119	=item %cf::CFG	228	=item %cf::CFG
120		229
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	231	from wherever your confdir points to.
123		232
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		234
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	235	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	236	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	237	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.	238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
130		250
131	=back	251	=back
132		252
133	=cut	253	=cut
134		254
135	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
136	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
137	my $msg = join "", @_;	262	my $msg = join "", @_;
138	utf8::encode $msg;
139		263
140	$msg .= "\n"	264	$msg .= "\n"
141	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
142		266
		267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		268
143	LOG llevError, $msg;	269	LOG llevWarn, $msg;
144	};	270	};
145	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
146		285
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	290	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		291	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	292	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		293
154	# we bless all objects into (empty) derived classes to force a method lookup	294	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	295	# within the Safe compartment.
156	for my $pkg (qw(	296	for my $pkg (qw(
157	cf::global cf::attachable	297	cf::global cf::attachable
158	cf::object cf::object::player	298	cf::object cf::object::player
159	cf::client cf::player	299	cf::client cf::player
160	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
161	cf::map cf::party cf::region	302	cf::party cf::region
162	)) {	303	)) {
163	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	305	}
166		306
167	$Event::DIED = sub {	307	$EV::DIED = sub {
168	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
169	};	309	};
		310
		311	#############################################################################
170		312
171	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
172		314
173	=over 4	315	=over 4
174		316
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	336	$d
195	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
196	}	338	}
197		339
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
201		341
202	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
203		343
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
212		345
213	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
214		347
215	=cut	348	=cut
216		349
217	sub to_json($) {	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	351
219	JSON::Syck::Dump $_[0]	352	sub encode_json($) { $json_coder->encode ($_[0]) }
		353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
220	}	367	}
221		368
222	=item cf::lock_wait $string	369	=item cf::lock_wait $string
223		370
224	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
225		372
226	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
227		374
228	Wait until the given lock is available and then acquires it and returns	375	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	376	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
231	returned.	378	returned.
232		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
233	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
235		385
236	=cut	386	=item $locked = cf::lock_active $string
237		387
238	our %LOCK;	388	Return true if the lock is currently active, i.e. somebody has locked it.
		389
		390	=cut
		391
		392	our $LOCKS = new Coro::SemaphoreSet;
239		393
240	sub lock_wait($) {	394	sub lock_wait($) {
241	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
242
243	# wait for lock, if any
244	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;
247	}
248	}	396	}
249		397
250	sub lock_acquire($) {	398	sub lock_acquire($) {
251	my ($key) = @_;	399	$LOCKS->guard ($_[0])
		400	}
252		401
253	# wait, to be sure we are not locked	402	sub lock_active($) {
254	lock_wait $key;	403	$LOCKS->count ($_[0]) < 1
255
256	$LOCK{$key} = [];
257
258	Coro::guard {
259	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };
261	}
262	}	404	}
263		405
264	sub freeze_mainloop {	406	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
266		408
267	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
268	$TICK_WATCHER->start;	410	}
269	$WRITE_RUNTIME_WATCHER->start;	411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
270	};	476	}
271	$WRITE_RUNTIME_WATCHER->stop;	477	};
272	$TICK_WATCHER->stop;	478
273	$guard	479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
274	}	492	}
275		493
276	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
277		495
278	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		501
284	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
285		503
286	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
287		505
288	The design of crossfire+ requires that the main coro ($Coro::main) is	506	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	507	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		509	acceptable.
291		510
292	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	513	server will be frozen during this time, so the block should either finish
295	fast or be very important.	514	fast or be very important.
…		…
297	=cut	516	=cut
298		517
299	sub sync_job(&) {	518	sub sync_job(&) {
300	my ($job) = @_;	519	my ($job) = @_;
301		520
302	if ($Coro::current == $Coro::main) {	521	if (in_main) {
		522	my $time = AE::time;
		523
303	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
305		526
306	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	528
308	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
309		530
310	my $busy = 1;	531	my $busy = 1;
311	my @res;	532	my @res;
312		533
313	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	536	@res = eval { $job->() };
315	warn $@ if $@;	537	error $@ if $@;
316	undef $busy;	538	undef $busy;
317	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
318		540
319	while ($busy) {	541	while ($busy) {
320	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
321	}	546	}
		547	}
		548
		549	my $time = AE::time - $time;
		550
		551	$TICK_START += $time; # do not account sync jobs to server load
322		552
323	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
324	} else {	554	} else {
325	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
326		556
…		…
346	$EXT_CORO{$coro+0} = $coro;	576	$EXT_CORO{$coro+0} = $coro;
347		577
348	$coro	578	$coro
349	}	579	}
350		580
351	sub write_runtime {	581	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		582
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	583	Executes the given code block with the given arguments in a seperate
355	or return;	584	process, returning the results. Everything must be serialisable with
		585	Coro::Storable. May, of course, block. Note that the executed sub may
		586	never block itself or use any form of event handling.
356		587
357	my $value = $cf::RUNTIME + 90 + 10;	588	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		589
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	590	sub fork_call(&@) {
362	and return;	591	my ($cb, @args) = @_;
363		592
364	# always fsync - this file is important	593	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	594	# otherwise perl prematurely frees the stuff :/
366	and return;	595	# TODO: investigate and fix (likely this will be rather laborious)
367		596
368	close $fh	597	my @res = Coro::Util::fork_eval {
369	or return;	598	reset_signals;
		599	&$cb
		600	}, @args;
370		601
371	aio_rename "$runtime~", $runtime	602	wantarray ? @res : $res[-1]
372	and return;	603	}
373		604
		605	sub objinfo {
374	1	606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
		641	}
		642
		643	=item $value = cf::db_get $family => $key
		644
		645	Returns a single value from the environment database.
		646
		647	=item cf::db_put $family => $key => $value
		648
		649	Stores the given C<$value> in the family. It can currently store binary
		650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
		657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
		678
		679	our $DB;
		680
		681	sub db_init {
		682	$DB ||= db_table "db";
		683	}
		684
		685	sub db_get($$) {
		686	my $key = "$_[0]/$_[1]";
		687
		688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
		691	BDB::db_get $DB, undef, $key, my $data;
		692
		693	$! ? ()
		694	: $data
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
		770	}
		771
		772	=item cf::datalog type => key => value, ...
		773
		774	Log a datalog packet of the given type with the given key-value pairs.
		775
		776	=cut
		777
		778	sub datalog($@) {
		779	my ($type, %kv) = @_;
		780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	781	}
376		782
377	=back	783	=back
378		784
379	=cut	785	=cut
380		786
381	#############################################################################	787	#############################################################################
382		788
383	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
384		790
385	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
386	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
388		794
389	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	797	Deliantra).
392		798
393	=over 4	799	=over 4
394		800
395	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
396		802
…		…
440	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
441		847
442	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
443	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
444		850
445	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
446	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
447		853
448	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
449		855
450	=over 4	856	=over 4
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
560		966
561	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		971
566	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	973	my $pkg = shift @arg;
568		974
569	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
574		980
575	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
576	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
577		983
578	} elsif (ref $type) {	984	} elsif (ref $type) {
579	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
580		986
581	} else {	987	} else {
582	shift @arg;	988	shift @arg;
583	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
584	}	990	}
585	}	991	}
586	}	992	}
587		993
588	sub _object_attach {	994	sub _object_attach {
…		…
598	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
599	}	1005	}
600		1006
601	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
602	} else {	1008	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
604	}	1010	}
605		1011
606	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
607	}	1013	}
608		1014
…		…
610	if (ref $_[0]) {	1016	if (ref $_[0]) {
611	_object_attach @_;	1017	_object_attach @_;
612	} else {	1018	} else {
613	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
614	}	1020	}
		1021	_recalc_want;
615	};	1022	};
616		1023
617	# all those should be optimised	1024	# all those should be optimised
618	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
623	reattach ($obj);	1030	reattach ($obj);
624	} else {	1031	} else {
625	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
626	}	1033	}
		1034	_recalc_want;
627	};	1035	};
628		1036
629	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
631		1039
…		…
646	";	1054	";
647	die if $@;	1055	die if $@;
648	}	1056	}
649		1057
650	our $override;	1058	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		1060
653	sub override {	1061	sub override {
654	$override = 1;	1062	$override = 1;
655	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
656	}	1064	}
657		1065
658	sub do_invoke {	1066	sub do_invoke {
659	my $event = shift;	1067	my $event = shift;
660	my $callbacks = shift;	1068	my $callbacks = shift;
661		1069
662	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
663		1071
664	local $override;	1072	local $override;
665		1073
666	for (@$callbacks) {	1074	for (@$callbacks) {
667	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
668		1076
669	if ($@) {	1077	if ($@) {
670	warn "$@";
671	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
672	override;	1079	override;
673	}	1080	}
674		1081
675	return 1 if $override;	1082	return 1 if $override;
676	}	1083	}
677		1084
678	0	1085	0
679	}	1086	}
680		1087
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1089
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1091
685	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
686		1093
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1097
691	=back	1098	=back
692		1099
693	=cut	1100	=cut
694		1101
695	#############################################################################	1102	#############################################################################
696	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
697		1146
698	sub reattach {	1147	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1149	my ($obj) = @_;
701		1150
		1151	# no longer needed after getting rid of delete_package?
702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
703		1153
704	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
705		1155
706	@$registry = ();	1156	@$registry = ();
707		1157
…		…
712	for (@$attach) {	1162	for (@$attach) {
713	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
714	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
715	}	1165	}
716	} else {	1166	} else {
717	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
718	}	1168	}
719	}	1169	}
720	}	1170	}
721		1171
722	cf::attachable->attach (	1172	cf::attachable->attach (
723	prio => -1000000,	1173	prio => -1000000,
724	on_instantiate => sub {	1174	on_instantiate => sub {
725	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
726		1176
727	$data = from_json $data;	1177	$data = decode_json $data;
728		1178
729	for (@$data) {	1179	for (@$data) {
730	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
731		1181
732	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1198	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
750		1200
751	sync_job {	1201	sync_job {
752	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
755		1207
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
760	close $fh;	1215	aio_close $fh;
761		1216
762	if (@$objs) {	1217	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
768	close $fh;	1226	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
770	}	1228	}
771	} else {	1229	} else {
772	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
773	}	1231	}
774		1232
775	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
776	} else {	1237	} else {
777	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
778	}	1239	}
779	} else {	1240	} else {
780	aio_unlink $filename;	1241	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
782	}	1243	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1244	};
790	}	1245	}
791		1246
792	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
794		1249
…		…
799		1254
800	sub object_thawer_load {	1255	sub object_thawer_load {
801	my ($filename) = @_;	1256	my ($filename) = @_;
802		1257
803	my ($data, $av);	1258	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1259
808	(aio_load $filename, $data) >= 0	1260	(aio_load $filename, $data) >= 0
809	or return;	1261	or return;
810		1262
811	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
813	or return;	1265	or return;
		1266
814	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
815	}	1269	}
816		1270
		1271	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
819	return ($data, $av);	1276	($data, $av)
820	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
821		1284
822	#############################################################################	1285	#############################################################################
823	# command handling &c	1286	# command handling &c
824		1287
825	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1302	}
840		1303
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1305
843	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
844		1311
845	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
846	called.	1313	called.
847		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
848	=cut	1326	=cut
849		1327
850	sub register_extcmd {	1328	sub register_extcmd {
851	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
852		1330
853	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
854	}	1332	}
855		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
856	cf::player->attach (	1342	cf::player->attach (
857	on_command => sub {	1343	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
859		1345
860	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
861	or return;	1347	or return;
862		1348
…		…
867	cf::override;	1353	cf::override;
868	},	1354	},
869	on_extcmd => sub {	1355	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
871		1357
872	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1359
874	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
880	} else {	1375	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1377	}
883		1378
884	cf::override;	1379	cf::override;
885	},	1380	},
886	);	1381	);
887		1382
		1383	# "readahead" all extensions
888	sub load_extension {	1384	sub cache_extensions {
889	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
890		1386
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1390	}
916	die $@;
917	}	1391	};
918		1392
919	push @EXTS, $pkg;	1393	$grp
920	}	1394	}
921		1395
922	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
923	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1403	next unless -r $path;
925	eval {	1404
926	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use common::sense;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1457	if exists $v->{meta}{mandatory};
		1458
		1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1460	delete $todo{$k};
		1461	} else {
		1462	$done{$k} = delete $todo{$k};
		1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
		1468	}
927	1	1469	}
928	} or warn "$ext not loaded: $@";	1470
		1471	unless ($progress) {
		1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
		1479	}
929	}	1480	};
930	}	1481	}
931		1482
932	#############################################################################	1483	#############################################################################
933		1484
		1485	=back
		1486
934	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
935		1488
936	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
937		1490
938	=cut	1491	=cut
939		1492
940	package cf::player;	1493	package cf::player;
941		1494
…		…
943		1496
944	=head3 cf::player	1497	=head3 cf::player
945		1498
946	=over 4	1499	=over 4
947		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
		1514
948	=item cf::player::find $login	1515	=item cf::player::find $login
949		1516
950	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
951		1518
952	=cut	1519	=cut
953		1520
954	sub playerdir($) {	1521	sub playerdir($) {
955	cf::localdir	1522	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1523	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1524	}
961		1525
962	sub path($) {	1526	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1527	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1528
965	(playerdir $login) . "/$login.pl"	1529	(playerdir $login) . "/playerdata"
966	}	1530	}
967		1531
968	sub find_active($) {	1532	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1533	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1534	and $cf::PLAYER{$_[0]}->active
…		…
973		1537
974	sub exists($) {	1538	sub exists($) {
975	my ($login) = @_;	1539	my ($login) = @_;
976		1540
977	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
979	}	1543	}
980		1544
981	sub find($) {	1545	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1547	my $login = $_[0];
984		1548
985	my $guard = cf::lock_acquire "user_find:$login";	1549	my $guard = cf::lock_acquire "user_find:$login";
986		1550
987	$cf::PLAYER{$_[0]} || do {	1551	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1552	# rename old playerfiles to new ones
		1553	#TODO: remove when no longer required
		1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1557	aio_unlink +(playerdir $login) . "/$login.pl";
		1558
		1559	my $f = new_from_file cf::object::thawer path $login
989	or return;	1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
991	}	1568	}
992	}	1569	}
993	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
994		1584
995	sub save($) {	1585	sub save($) {
996	my ($pl) = @_;	1586	my ($pl) = @_;
997		1587
998	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1004		1594
1005	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1007		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
1008	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1009	Coro::cede;	1604	cf::cede_to_tick;
1010	}	1605	}
1011		1606
1012	sub new($) {	1607	sub new($) {
1013	my ($login) = @_;	1608	my ($login) = @_;
1014		1609
…		…
1020	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1021		1616
1022	$self	1617	$self
1023	}	1618	}
1024		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
1025	=item $pl->quit_character	1630	=item $pl->quit_character
1026		1631
1027	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1029		1634
1030	=cut	1635	=cut
1031		1636
1032	sub quit_character {	1637	sub quit_character {
1033	my ($pl) = @_;	1638	my ($pl) = @_;
1034		1639
		1640	my $name = $pl->ob->name;
		1641
1035	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1644
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1042		1650
1043	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1653	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1654	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1655	$pl->destroy;
		1656
		1657	my $prefix = qr<^~\Q$name\E/>;
		1658
		1659	# nuke player maps
		1660	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1661
1048	IO::AIO::aio_rmtree $temp;	1662	IO::AIO::aio_rmtree $temp;
		1663	}
		1664
		1665	=item $pl->kick
		1666
		1667	Kicks a player out of the game. This destroys the connection.
		1668
		1669	=cut
		1670
		1671	sub kick {
		1672	my ($pl, $kicker) = @_;
		1673
		1674	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1675	$pl->killer ("kicked");
		1676	$pl->ns->destroy;
1049	}	1677	}
1050		1678
1051	=item cf::player::list_logins	1679	=item cf::player::list_logins
1052		1680
1053	Returns am arrayref of all valid playernames in the system, can take a	1681	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1682	while and may block, so not sync_job-capable, ever.
1055		1683
1056	=cut	1684	=cut
1057		1685
1058	sub list_logins {	1686	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1687	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1688	or return [];
1061		1689
1062	my @logins;	1690	my @logins;
1063		1691
1064	for my $login (@$dirs) {	1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1068		1702
1069	utf8::decode $login;	1703	utf8::decode $login;
1070	push @logins, $login;	1704	push @logins, $login;
1071	}	1705	}
1072		1706
1073	\@logins	1707	\@logins
1074	}	1708	}
1075		1709
1076	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1077		1713
1078	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1079	player. May block.	1715	player. May block.
1080		1716
1081	=cut	1717	=cut
…		…
1099	}	1735	}
1100		1736
1101	\@paths	1737	\@paths
1102	}	1738	}
1103		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1105		1745
1106	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1107		1747
1108	=cut	1748	=cut
1109		1749
1110	sub ext_reply($$$%) {	1750	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1112		1752
1113	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1754	}
1117		1755
1118	package cf;	1756	=item $player->ext_msg ($type, @msg)
		1757
		1758	Sends an ext event to the client.
		1759
		1760	=cut
		1761
		1762	sub ext_msg($$@) {
		1763	my ($self, $type, @msg) = @_;
		1764
		1765	$self->ns->ext_msg ($type, @msg);
		1766	}
		1767
		1768	=head3 cf::region
		1769
		1770	=over 4
		1771
		1772	=cut
		1773
		1774	package cf::region;
		1775
		1776	=item cf::region::find_by_path $path
		1777
		1778	Tries to decuce the likely region for a map knowing only its path.
		1779
		1780	=cut
		1781
		1782	sub find_by_path($) {
		1783	my ($path) = @_;
		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
		1787	my ($match, $specificity);
		1788
		1789	for my $region (list) {
		1790	if ($region->{match} && $path =~ $region->{match}) {
		1791	($match, $specificity) = ($region, $region->specificity)
		1792	if $region->specificity > $specificity;
		1793	}
		1794	}
		1795
		1796	$match
		1797	}
1119		1798
1120	=back	1799	=back
1121
1122		1800
1123	=head3 cf::map	1801	=head3 cf::map
1124		1802
1125	=over 4	1803	=over 4
1126		1804
…		…
1138	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1140		1818
1141	sub generate_random_map {	1819	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1823
1143	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1825	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1148	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1149	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1166		1847
1167	sub register {	1848	sub register {
1168	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1169	my $pkg = caller;	1850	my $pkg = caller;
1170		1851
1171	no strict;
1172	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1173		1853
1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1175	}	1855	}
1176		1856
1177	# also paths starting with '/'	1857	# also paths starting with '/'
1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1179		1859
1180	sub thawer_merge {	1860	sub thawer_merge {
1181	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1182		1862
1183	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1184	local $self->{path};	1864	local $self->{path};
1185	local $self->{load_path};	1865	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1866
1189	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1190	}	1868	}
1191		1869
1192	sub normalise {	1870	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1240	return $self;	1918	return $self;
1241	}	1919	}
1242	}	1920	}
1243		1921
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1923	()
1246	}	1924	}
1247		1925
1248	sub init {	1926	sub init {
1249	my ($self) = @_;	1927	my ($self) = @_;
…		…
1264		1942
1265	# the original (read-only) location	1943	# the original (read-only) location
1266	sub load_path {	1944	sub load_path {
1267	my ($self) = @_;	1945	my ($self) = @_;
1268		1946
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1270	}	1948	}
1271		1949
1272	# the temporary/swap location	1950	# the temporary/swap location
1273	sub save_path {	1951	sub save_path {
1274	my ($self) = @_;	1952	my ($self) = @_;
1275		1953
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1278	}	1956	}
1279		1957
1280	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1281	sub uniq_path {	1959	sub uniq_path {
1282	my ($self) = @_;	1960	my ($self) = @_;
1283		1961
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1286	}	1964	}
1287		1965
1288	# and all this just because we cannot iterate over	1966	sub decay_objects {
1289	# all maps in C++...
1290	sub change_all_map_light {
1291	my ($change) = @_;	1967	my ($self) = @_;
1292		1968
1293	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1294	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1295	}	1972	}
1296		1973
1297	sub unlink_save {	1974	sub unlink_save {
1298	my ($self) = @_;	1975	my ($self) = @_;
1299		1976
1300	utf8::encode (my $save = $self->save_path);	1977	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1978	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1980	}
1309		1981
1310	sub load_header_from($) {	1982	sub load_header_from($) {
1311	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1312		1984
1313	utf8::encode $path;	1985	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1319		1994
1320	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1321		1996
1322	1	1997	1
1323	}	1998	}
…		…
1362	$self->load_header_orig	2037	$self->load_header_orig
1363	or return;	2038	or return;
1364	$self->prepare_orig;	2039	$self->prepare_orig;
1365	}	2040	}
1366		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
		2045	$self->default_region (cf::region::find_by_path $self->{path})
		2046	unless $self->default_region;
		2047
1367	1	2048	1
1368	}	2049	}
1369		2050
1370	sub find;	2051	sub find;
1371	sub find {	2052	sub find {
1372	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1373		2054
1374	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1375		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1377		2059
1378	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";
1380	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1381	or return;	2062	or return;
1382		2063
1383	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1384		2065
1385	$map->load_header	2066	$map->load_header
1386	or return;	2067	or return;
1387		2068
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1391	$map->reset;	2074	$map->reset;
1392	undef $guard;
1393	return find $path;	2075	return find $path;
1394	}	2076	}
1395		2077
1396	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1397	}	2079	}
1398	}	2080	}
1399		2081
1400	sub pre_load { }	2082	sub pre_load { }
1401	sub post_load { }	2083	#sub post_load { } # XS
1402		2084
1403	sub load {	2085	sub load {
1404	my ($self) = @_;	2086	my ($self) = @_;
1405		2087
1406	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1407		2089
1408	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1410		2094
		2095	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2097
1413	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1414		2099
1415	$self->alloc;	2100	$self->alloc;
1416		2101
1417	$self->pre_load;	2102	$self->pre_load;
		2103	cf::cede_to_tick;
1418		2104
1419	$self->_load_objects ($self->{load_path}, 1)	2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
		2107	$self->_load_objects ($f)
1420	or return;	2108	or return;
1421		2109
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1423	if delete $self->{load_original};	2111	if delete $self->{load_original};
1424		2112
1425	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2114	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2117	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1430	}	2121	}
1431	}	2122	}
1432		2123
1433	Coro::cede;	2124	$f->resolve_delayed_derefs;
1434		2125
		2126	cf::cede_to_tick;
1435	# now do the right thing for maps	2127	# now do the right thing for maps
1436	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2130	unless $self->difficulty;
1446	Coro::cede;	2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1447	$self->activate;	2138	$self->activate;
		2139	}
		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
		2144	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2145	}
1449		2146
1450	$self->post_load;	2147	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2148	}
1454		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1455	sub customise_for {	2153	sub customise_for {
1456	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1457		2155
1458	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2157	if $self->per_player;
1460		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1461	$self	2162	$self
1462	}	2163	}
1463		2164
1464	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2166	sub load_neighbours {
1466	my ($map) = @_;	2167	my ($map) = @_;
1467		2168
1468	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1469		2170
1470	for (0 .. 3) {	2171	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1472	or next;	2173	or next;
1473	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1474	or next;	2175	or next;
1475	$neigh->load;	2176	$neigh->load;
1476		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2182	}
1480		2183
1481	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1483	or next;	2187	or next;
1484	$neigh->load;	2188	$neigh->load;
1485	}	2189	}
1486	}	2190	}
1487		2191
1488	sub find_sync {	2192	sub find_sync {
1489	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1490		2194
1491	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1492	}	2199	}
1493		2200
1494	sub do_load_sync {	2201	sub do_load_sync {
1495	my ($map) = @_;	2202	my ($map) = @_;
1496		2203
1497	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
1498	}	2208	}
1499		2209
1500	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1502		2212
1503	sub find_async {	2213	sub find_async {
1504	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1505		2215
1506	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1507		2217
1508	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2220	}
1511		2221
1512	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1513	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1514	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2229	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2230	$map->load if $v;
		2231	}
1519		2232
1520	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1521	}	2234	}
1522	}	2235	}
1523	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1524	};	2237	};
1525	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1526		2239
1527	()	2240	()
1528	}	2241	}
1529		2242
		2243	# common code, used by both ->save and ->swapout
1530	sub save {	2244	sub _save {
1531	my ($self) = @_;	2245	my ($self) = @_;
1532
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
1534		2246
1535	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1536		2248
1537	return unless $self->dirty;	2249	return unless $self->dirty;
1538		2250
…		…
1544	return if $self->{deny_save};	2256	return if $self->{deny_save};
1545		2257
1546	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1547		2259
1548	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1550	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1551		2266
1552	if ($uniq) {	2267	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2270	} else {
1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1557	}	2272	}
1558	}	2273	}
1559		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1560	sub swap_out {	2283	sub swap_out {
1561	my ($self) = @_;	2284	my ($self) = @_;
1562		2285
1563	# save first because save cedes
1564	$self->save;
1565
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1568	return if $self->players;	2290	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};
1571		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
1572	$self->clear;	2301	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2302	}
1575		2303
1576	sub reset_at {	2304	sub reset_at {
1577	my ($self) = @_;	2305	my ($self) = @_;
1578		2306
1579	# TODO: safety, remove and allow resettable per-player maps	2307	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2308	return 1e99 if $self->{deny_reset};
1582		2309
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2310	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2311	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2312
…		…
1596	my ($self) = @_;	2323	my ($self) = @_;
1597		2324
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2326
1600	return if $self->players;	2327	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2328
1603	warn "resetting map ", $self->path;#d#	2329	cf::trace "resetting map ", $self->path, "\n";
		2330
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# need to save uniques path
		2334	unless ($self->{deny_save}) {
		2335	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2336
		2337	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2338	if $uniq;
		2339	}
1604		2340
1605	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1606		2342
1607	$self->in_memory (cf::MAP_SWAPPED);	2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2345	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2346
1612	$self->unlink_save;	2347	$self->unlink_save;
1613	$self->destroy;	2348	$self->destroy;
1614	}	2349	}
1615		2350
1616	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1617		2352
1618	sub nuke {	2353	sub nuke {
1619	my ($self) = @_;	2354	my ($self) = @_;
1620		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1621	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1622		2360
1623	$self->unlink_save;	2361	$self->unlink_save;
1624		2362
1625	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1626	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2368
1631	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1632		2371
1633	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
		2373	}
		2374
		2375	=item $maps = cf::map::tmp_maps
		2376
		2377	Returns an arrayref with all map paths of currently instantiated and saved
		2378	maps. May block.
		2379
		2380	=cut
		2381
		2382	sub tmp_maps() {
		2383	[
		2384	map {
		2385	utf8::decode $_;
		2386	/\.map$/
		2387	? normalise $_
		2388	: ()
		2389	} @{ aio_readdir $TMPDIR or [] }
		2390	]
		2391	}
		2392
		2393	=item $maps = cf::map::random_maps
		2394
		2395	Returns an arrayref with all map paths of currently instantiated and saved
		2396	random maps. May block.
		2397
		2398	=cut
		2399
		2400	sub random_maps() {
		2401	[
		2402	map {
		2403	utf8::decode $_;
		2404	/\.map$/
		2405	? normalise "?random/$_"
		2406	: ()
		2407	} @{ aio_readdir $RANDOMDIR or [] }
		2408	]
1634	}	2409	}
1635		2410
1636	=item cf::map::unique_maps	2411	=item cf::map::unique_maps
1637		2412
1638	Returns an arrayref of paths of all shared maps that have	2413	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2414	instantiated unique items. May block.
1640		2415
1641	=cut	2416	=cut
1642		2417
1643	sub unique_maps() {	2418	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2419	[
1645	or return;	2420	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2421	utf8::decode $_;
1651	next if /\.pst$/;	2422	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2424	? ()
1654	push @paths, cf::map::normalise $_;	2425	: normalise $_
		2426	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2427	]
1656
1657	\@paths
1658	}	2428	}
1659		2429
1660	package cf;	2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
		2451	s/\.map$// or next;
		2452	utf8::decode $_;
		2453	push @maps, "$dir/$_";
		2454	}
		2455
		2456	push @dirs, map "$dir/$_", @$dirs;
		2457	}
		2458
		2459	\@maps
		2460	}
1661		2461
1662	=back	2462	=back
1663		2463
1664	=head3 cf::object	2464	=head3 cf::object
1665		2465
…		…
1669		2469
1670	=over 4	2470	=over 4
1671		2471
1672	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
1673		2473
1674	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
1675		2476
1676	=cut	2477	=cut
1677		2478
1678	sub inv_recursive_;	2479	sub inv_recursive_;
1679	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
1682		2483
1683	sub inv_recursive {	2484	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
1685	}	2486	}
1686		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
		2514	}
		2515
1687	package cf;	2516	package cf;
1688		2517
1689	=back	2518	=back
1690		2519
1691	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
1697	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1698	can be C<undef>. Does the right thing when the player is currently in a	2527	can be C<undef>. Does the right thing when the player is currently in a
1699	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1700		2529
1701	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
1702		2545
1703	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2547	# with dialog boxes.
1705	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
1706	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1708		2551
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2553
1711	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1713	} else {	2557	} else {
		2558	my $pl = $self->contr;
		2559
		2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2561	my $dialog = $pl->{npc_dialog};
		2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2563
		2564	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1716	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
1717	}	2579	}
1718		2580
1719	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1720		2582
1721	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1734		2596
1735	=item $player_object->enter_link	2597	=item $player_object->enter_link
1736		2598
1737	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
1738		2600
1739	The player should be reasonably safe there for short amounts of time. You	2601	The player should be reasonably safe there for short amounts of time (e.g.
1740	I<MUST> call C<leave_link> as soon as possible, though.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
1741		2605
1742	Will never block.	2606	Will never block.
1743		2607
1744	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1745		2609
…		…
1765	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1766	my ($self) = @_;	2630	my ($self) = @_;
1767		2631
1768	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1769		2633
		2634	++$self->{_link_recursion};
		2635
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2637
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2639	if $self->map && $self->map->{path} ne "{link}";
1774		2640
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1776	}	2642	}
1777		2643
1778	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
		2646
		2647	return unless $self->contr->active;
1780		2648
1781	my $link_pos = delete $self->{_link_pos};	2649	my $link_pos = delete $self->{_link_pos};
1782		2650
1783	unless ($map) {	2651	unless ($map) {
1784	# restore original map position	2652	# restore original map position
…		…
1795	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
1796	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
1797		2665
1798	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
1801		2669
1802	$map->load;	2670	$map->load;
1803	$map->load_diag;	2671	$map->load_neighbours;
1804		2672
1805	return unless $self->contr->active;	2673	return unless $self->contr->active;
		2674
		2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2676	if ($self->enter_map ($map, $x, $y)) {
		2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
1806	$self->activate_recursive;	2680	$self->activate_recursive;
1807	$self->enter_map ($map, $x, $y);
1808	}
1809
1810	cf::player->attach (
1811	on_logout => sub {
1812	my ($pl) = @_;
1813
1814	# abort map switching before logout
1815	if ($pl->ob->{_link_pos}) {
1816	cf::sync_job {
1817	$pl->ob->leave_link
1818	};
1819	}
1820	},	2681	}
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2682
1824	# try to abort aborted map switching on player login :)	2683	}
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841		2684
1842	=item $player_object->goto ($path, $x, $y)	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1843		2686
		2687	Moves the player to the given map-path and coordinates by first freezing
		2688	her, loading and preparing them map, calling the provided $check callback
		2689	that has to return the map if sucecssful, and then unfreezes the player on
		2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
		2695
1844	=cut	2696	=cut
		2697
		2698	our $GOTOGEN;
1845		2699
1846	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
		2708
		2709	# do generation counting so two concurrent goto's will be executed in-order
		2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2711
1849	$self->enter_link;	2712	$self->enter_link;
1850		2713
1851	(async {	2714	(async {
		2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
1852	my $map = eval {	2736	my $map = eval {
1853	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
		2738
		2739	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2740	$map = $map->customise_for ($self);
		2741	$map = $check->($map, $x, $y, $self) if $check && $map;
		2742	} else {
		2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2744	}
		2745
1855	$map	2746	$map
		2747	};
		2748
		2749	if ($@) {
		2750	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2751	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2752	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2753
		2754	if ($gen == $self->{_goto_generation}) {
		2755	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
		2757	}
		2758
		2759	$done->($self) if $done;
1860	})->prio (1);	2760	})->prio (1);
1861	}	2761	}
1862		2762
1863	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
1864		2764
…		…
1884	}	2784	}
1885		2785
1886	sub prepare_random_map {	2786	sub prepare_random_map {
1887	my ($exit) = @_;	2787	my ($exit) = @_;
1888		2788
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2791	# that depends on the exit object
1894		2792
1895	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2795	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
1902	}	2802	}
1903		2803
1904	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
1905		2805
1906	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
1909		2809
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2812	undef $fh;
1913	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
1914		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
1917	}	2821	}
1918	}	2822	}
1919		2823
1920	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
1922		2826
1923	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
1924		2828
1925	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
1927	cf::sync_job { prepare_random_map $exit };
1928	}
1929
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;
1933
1934	$self->enter_link;	2829	$self->enter_link;
1935		2830
1936	(async {	2831	(async {
1937	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
1938	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
		2841	prepare_random_map $exit
		2842	if $exit->slaying eq "/!";
		2843	}
		2844
		2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
		2848
1939	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
1940		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
1941	1;	2855	1
1942	}) {	2856	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
1944	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2861
1948	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
1949	$self->leave_link;	2863	$self->leave_link;
1950	}	2864	}
1951	})->prio (1);	2865	})->prio (1);
1952	}	2866	}
1953		2867
…		…
1964		2878
1965	sub cf::client::send_drawinfo {	2879	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2880	my ($self, $text, $flags) = @_;
1967		2881
1968	utf8::encode $text;	2882	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2884	}
1971		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
		2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2912
		2913	Send a drawinfo or msg packet to the client, formatting the msg for the
		2914	client if neccessary. C<$type> should be a string identifying the type of
		2915	the message, with C<log> being the default. If C<$color> is negative, suppress
		2916	the message unless the client supports the msg packet.
		2917
		2918	=cut
		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
		3034	sub cf::client::send_msg {
		3035	my ($self, $channel, $msg, $color, @extra) = @_;
		3036
		3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
		3058
		3059	return unless @extra || length $msg;
		3060
		3061	# default colour, mask it out
		3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3063	if $color & cf::NDI_DEF;
		3064
		3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
		3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3068	);
		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
		3073	=item $client->ext_msg ($type, @msg)
		3074
		3075	Sends an ext event to the client.
		3076
		3077	=cut
		3078
		3079	sub cf::client::ext_msg($$@) {
		3080	my ($self, $type, @msg) = @_;
		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
		3085	push @msg, msgtype => "event_$type";
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
		3106	}
1972		3107
1973	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
1974		3109
1975	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3111	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3112	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		3113
1979	Queries can fail, so check the return code. Or don't, as queries will become	3114	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	3115	become reliable at some point in the future.
1981		3116
1982	=cut	3117	=cut
1983		3118
1984	sub cf::client::query {	3119	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	3128	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		3130
1996	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
1998	}	3135	}
1999		3136
2000	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
2001	on_reply => sub {	3143	on_reply => sub {
2002	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
2003		3145
2004	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
2005	# get handled first	3147	# get handled first
…		…
2017	} else {	3159	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	3161	}
2020	}	3162	}
2021	},	3163	},
		3164	on_exticmd => sub {
		3165	my ($ns, $buf) = @_;
		3166
		3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3168
		3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
		3177	if (my $cb = $EXTICMD{$type}) {
		3178	@reply = $cb->($ns, @payload);
		3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
		3184	} else {
		3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3186	}
		3187
		3188	cf::override;
		3189	},
2022	);	3190	);
2023		3191
2024	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
2025		3193
2026	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
2042		3210
2043	$coro	3211	$coro
2044	}	3212	}
2045		3213
2046	cf::client->attach (	3214	cf::client->attach (
2047	on_destroy => sub {	3215	on_client_destroy => sub {
2048	my ($ns) = @_;	3216	my ($ns) = @_;
2049		3217
2050	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2051	},	3219	},
2052	);	3220	);
…		…
2067	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2069		3237
2070	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2071		3239
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2073		3245
2074	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2075		3247
2076	=pod	3248	=pod
2077		3249
2078	The following fucntions and emthods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2079		3251
2080	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
2081	cf::object::player player	3257	cf::object::player
2082	cf::player peaceful	3258	player
2083	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2084		3265
2085	=cut	3266	=cut
2086		3267
2087	for (	3268	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2089	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2091	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2092	) {	3275	) {
2093	no strict 'refs';
2094	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2095	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2096	for @funs;	3278	for @funs;
2097	}	3279	}
2098		3280
…		…
2113		3295
2114	my $qcode = $code;	3296	my $qcode = $code;
2115	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2116	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2117		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2118	local $_;	3303	local $_;
2119	local @safe::cf::_safe_eval_args = values %vars;
2120		3304
2121	my $eval =	3305	my $eval =
2122	"do {\n"	3306	"do {\n"
2123	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2124	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2125	. $code	3309	. $code
2126	. "\n}"	3310	. "\n}"
2127	;	3311	;
2128		3312
		3313	if ($CFG{safe_eval}) {
2129	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2130	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2131	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2132		3322
2133	if ($@) {	3323	if ($@) {
2134	warn "$@";	3324	warn "$@",
2135	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2136	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2137	}	3327	}
2138		3328
2139	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2140	}	3330	}
2141		3331
…		…
2155	=cut	3345	=cut
2156		3346
2157	sub register_script_function {	3347	sub register_script_function {
2158	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2159		3349
2160	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2161	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2162	}	3352	}
2163		3353
2164	=back	3354	=back
2165		3355
2166	=cut	3356	=cut
2167
2168	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275		3357
2276	#############################################################################	3358	#############################################################################
2277	# the server's init and main functions	3359	# the server's init and main functions
2278		3360
		3361	sub load_facedata($) {
		3362	my ($path) = @_;
		3363
		3364	# HACK to clear player env face cache, we need some signal framework
		3365	# for this (global event?)
		3366	%ext::player_env::MUSIC_FACE_CACHE = ();
		3367
		3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3369
		3370	trace "loading facedata from $path\n";
		3371
		3372	my $facedata;
		3373	0 < aio_load $path, $facedata
		3374	or die "$path: $!";
		3375
		3376	$facedata = Coro::Storable::thaw $facedata;
		3377
		3378	$facedata->{version} == 2
		3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3380
		3381	# patch in the exptable
		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3383	$facedata->{resource}{"res/exp_table"} = {
		3384	type => FT_RSRC,
		3385	data => $exp_table,
		3386	hash => (Digest::MD5::md5 $exp_table),
		3387	};
		3388	cf::cede_to_tick;
		3389
		3390	{
		3391	my $faces = $facedata->{faceinfo};
		3392
		3393	while (my ($face, $info) = each %$faces) {
		3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
		3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
		3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3400
		3401	cf::cede_to_tick;
		3402	}
		3403
		3404	while (my ($face, $info) = each %$faces) {
		3405	next unless $info->{smooth};
		3406
		3407	my $idx = cf::face::find $face
		3408	or next;
		3409
		3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
		3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3413	} else {
		3414	error "smooth face '$info->{smooth}' not found for face '$face'";
		3415	}
		3416
		3417	cf::cede_to_tick;
		3418	}
		3419	}
		3420
		3421	{
		3422	my $anims = $facedata->{animinfo};
		3423
		3424	while (my ($anim, $info) = each %$anims) {
		3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3426	cf::cede_to_tick;
		3427	}
		3428
		3429	cf::anim::invalidate_all; # d'oh
		3430	}
		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
		3451	1
		3452	}
		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
2279	sub load_resources {	3462	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
		3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
		3477	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3478	or die "unable to load regions file\n";
2282	}
2283		3479
2284	sub cfg_load {	3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
		3484	}
		3485
		3486	sub reload_facedata {
		3487	load_facedata "$DATADIR/facedata"
		3488	or die "unable to load facedata\n";
		3489	}
		3490
		3491	sub reload_archetypes {
		3492	load_resource_file "$DATADIR/archetypes"
		3493	or die "unable to load archetypes\n";
		3494	}
		3495
		3496	sub reload_treasures {
		3497	load_resource_file "$DATADIR/treasures"
		3498	or die "unable to load treasurelists\n";
		3499	}
		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
		3511	or next;
		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
		3522	}
		3523
		3524	sub reload_resources {
		3525	trace "reloading resource files...\n";
		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
		3530	reload_regions;
		3531	reload_treasures;
		3532
		3533	trace "finished reloading resource files\n";
		3534	}
		3535
		3536	sub reload_config {
		3537	trace "reloading config file...\n";
		3538
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3540	or return;
2287		3541
2288	local $/;	3542	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2290		3544
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2292		3546
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2295		3549
2296	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	3554	};
2301	warn $@ if $@;	3555	warn $@ if $@;
2302	}	3556	}
2303	}
2304		3557
2305	sub init {	3558	trace "finished reloading resource files\n";
2306	load_resources;	3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2307	}	3587	}
2308		3588
2309	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
2310	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3602	(async {
2314	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2316	};	3606	};
2317		3607
2318	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
2319	db_load;	3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
		3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
2320	load_extensions;	3631	load_extensions;
2321		3632
2322	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2323	Event::loop;	3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
2324	}	3646	}
2325		3647
2326	#############################################################################	3648	#############################################################################
2327	# initialisation and cleanup	3649	# initialisation and cleanup
2328		3650
2329	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2330	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2339	},
2340	);	3657	};
		3658	}
		3659	}
		3660
		3661	sub write_runtime_sync {
		3662	my $t0 = AE::time;
		3663
		3664	# first touch the runtime file to show we are still running:
		3665	# the fsync below can take a very very long time.
		3666
		3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3668
		3669	my $guard = cf::lock_acquire "write_runtime";
		3670
		3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3672	or return;
		3673
		3674	my $value = $cf::RUNTIME + 90 + 10;
		3675	# 10 is the runtime save interval, for a monotonic clock
		3676	# 60 allows for the watchdog to kill the server.
		3677
		3678	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3679	and return;
		3680
		3681	# always fsync - this file is important
		3682	aio_fsync $fh
		3683	and return;
		3684
		3685	# touch it again to show we are up-to-date
		3686	aio_utime $fh, undef, undef;
		3687
		3688	close $fh
		3689	or return;
		3690
		3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3692	and return;
		3693
		3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3695
2341	}	3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
2342	}	3747	}
2343		3748
2344	sub emergency_save() {	3749	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2346		3751
2347	warn "enter emergency perl save\n";	3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
2348		3758
2349	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2350	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2351	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2352	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2354	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3770	$pl->save;
2358	}	3771	}
2359	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2360		3773
2361	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
2362	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2363	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3779	$map->valid or next;
2365	$map->save;	3780	$map->save;
2366	}	3781	}
2367	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
		3783
		3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
		3787	BDB::db_env_txn_checkpoint $DB_ENV;
		3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
2368	};	3812	};
2369		3813
2370	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2371	}	3815	}
2372		3816
		3817	sub post_cleanup {
		3818	my ($make_core) = @_;
		3819
		3820	IO::AIO::flush;
		3821
		3822	error Carp::longmess "post_cleanup backtrace"
		3823	if $make_core;
		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
		3852	}
		3853
2373	sub reload() {	3854	sub do_reload_perl() {
2374	# can/must only be called in main	3855	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2376	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2377	return;	3858	return;
2378	}	3859	}
2379		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2380	warn "reloading...";	3866	info "reloading...";
2381		3867
2382	warn "cancelling server ticker";	3868	trace "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3869
		3870	cf::sync_job {
2385	cf::emergency_save;	3871	cf::emergency_save;
2386		3872
2387	eval {
2388	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397
2398	warn "flushing outstanding aio requests";
2399	for (;;) {
2400	IO::AIO::flush;
2401	Coro::cede;
2402	last unless IO::AIO::nreqs;
2403	warn "iterate...";
2404	}
2405
2406	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3875	%EXT_CORO = ();
2409		3876
2410	warn "removing commands";	3877	trace "removing commands";
2411	%COMMAND = ();	3878	%COMMAND = ();
2412		3879
2413	warn "removing ext commands";	3880	trace "removing ext/exti commands";
2414	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2415		3883
2416	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2419		3887
2420	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2421	eval {	3889	eval {
2422	$cb->($pkg);	3890	$cb->($pkg);
2423	1	3891	1
2424	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
2425	}	3897	}
2426		3898
2427	warn "... nuking $pkg";
2428	Symbol::delete_package $pkg;
2429	}
2430
2431	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2432	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2434		3902
2435	warn "... unloading $k";	3903	trace "... unloading $k";
2436	delete $INC{$k};	3904	delete $INC{$k};
2437		3905
2438	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2439	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2440		3908
2441	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2442	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2443	}	3914	}
2444		3915
2445	Symbol::delete_package $k;
2446	}
2447
2448	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2449	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3919
2452	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
		3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2454		3923
2455	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3925	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2458		3927
2459	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
2460		3929
2461	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2462	require cf;	3931	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2464		3933
2465	warn "loading config and database again";	3934	trace "loading config and database again";
2466	cf::cfg_load;	3935	cf::reload_config;
2467	cf::db_load;
2468		3936
2469	warn "loading extensions";	3937	trace "loading extensions";
2470	cf::load_extensions;	3938	cf::load_extensions;
2471		3939
		3940	if ($REATTACH_ON_RELOAD) {
2472	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2473	_global_reattach;	3942	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
		3945	trace "reattaching attachments to players";
		3946	reattach $_ for values %PLAYER;
		3947	}
2476		3948
2477	warn "loading reloadable resources";	3949	trace "running post_init jobs";
2478	load_resources;	3950	(pop @POST_INIT)->(1) while @POST_INIT;
2479		3951
2480	warn "restarting server ticker";	3952	trace "leaving sync_job";
2481		3953
2482	$TICK_WATCHER->start;	3954	1
		3955	} or do {
		3956	error $@;
		3957	cf::cleanup "error while reloading, exiting.";
		3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
		3962	}
		3963
		3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
		3966	};
		3967
		3968	our $RELOAD_WATCHER; # used only during reload
		3969
		3970	sub reload_perl() {
		3971	# doing reload synchronously and two reloads happen back-to-back,
		3972	# coro crashes during coro_state_free->destroy here.
		3973
		3974	$RELOAD_WATCHER ||= cf::async {
		3975	Coro::AIO::aio_wait cache_extensions;
		3976
		3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3978	do_reload_perl;
		3979	undef $RELOAD_WATCHER;
		3980	};
2483	};	3981	};
2484		3982	}
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490
2491	warn "reloaded";
2492	};
2493
2494	our $RELOAD_WATCHER; # used only during reload
2495		3983
2496	register_command "reload" => sub {	3984	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2498		3986
2499	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
2501		3989	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3990	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3991	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3992	};
2514	}	3993	}
2515	};	3994	};
2516		3995
2517	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2518		3997
2519	my $bug_warning = 0;	3998	my $bug_warning = 0;
2520		3999
2521	$TICK_WATCHER = Event->timer (	4000	our @WAIT_FOR_TICK;
2522	reentrant => 0,	4001	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	4002
2524	prio => 0,	4003	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	4005
2527	cb => sub {	4006	my $signal = new Coro::Signal;
		4007	push @WAIT_FOR_TICK, $signal;
		4008	$signal->wait;
		4009	}
		4010
		4011	sub wait_for_tick_begin {
		4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4013
		4014	my $signal = new Coro::Signal;
		4015	push @WAIT_FOR_TICK_BEGIN, $signal;
		4016	$signal->wait;
		4017	}
		4018
		4019	sub tick {
2528	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
2531	return;	4023	return;
2532	}	4024	}
2533		4025
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		4027
2540	$WAIT_FOR_TICK->broadcast;	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2542		4029
2543	Event::sweep;	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2544	Coro::cede_notself;	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4032	Coro::async_pool {
		4033	$Coro::current->{desc} = "runtime saver";
		4034	write_runtime_sync
		4035	or error "ERROR: unable to write runtime file: $!";
		4036	};
		4037	}
		4038
		4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4040	$sig->send;
		4041	}
		4042	while (my $sig = shift @WAIT_FOR_TICK) {
		4043	$sig->send;
		4044	}
		4045
		4046	$LOAD = ($NOW - $TICK_START) / $TICK;
		4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4048
		4049	if (0) {
		4050	if ($NEXT_TICK) {
		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
2545		4054	}
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},	4055	}
2555	);	4056	}
2556		4057
		4058	{
		4059	# configure BDB
		4060
		4061	BDB::min_parallel 16;
		4062	BDB::max_poll_reqs $TICK * 0.1;
		4063	$AnyEvent::BDB::WATCHER->priority (1);
		4064
		4065	unless ($DB_ENV) {
		4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4072
		4073	cf::sync_job {
		4074	eval {
		4075	BDB::db_env_open
		4076	$DB_ENV,
		4077	$BDBDIR,
		4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4080	0666;
		4081
		4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4083	};
		4084
		4085	cf::cleanup "db_env_open(db): $@" if $@;
		4086	};
		4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
		4098	}
		4099
		4100	{
		4101	# configure IO::AIO
		4102
		4103	IO::AIO::min_parallel 8;
2557	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
		4105	undef $AnyEvent::AIO::WATCHER;
		4106	}
2558		4107
2559	undef $Coro::AIO::WATCHER;	4108	my $_log_backtrace;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568		4109
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	4110	sub _log_backtrace {
2570	reentrant => 0,	4111	my ($msg, @addr) = @_;
2571	data => WF_AUTOCANCEL,	4112
2572	after => 1,	4113	$msg =~ s/\n//;
2573	interval => 10,	4114
2574	prio => 6, # keep it lowest so it acts like a watchdog	4115	# limit the # of concurrent backtraces
2575	cb => Coro::unblock_sub {	4116	if ($_log_backtrace < 2) {
2576	write_runtime	4117	++$_log_backtrace;
2577	or warn "ERROR: unable to write runtime file: $!";	4118	my $perl_bt = Carp::longmess $msg;
		4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
		4122	my @bt = fork_call {
		4123	@addr = map { sprintf "%x", $_ } @addr;
		4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4126	or die "addr2line: $!";
		4127
		4128	my @funcs;
		4129	my @res = <$fh>;
		4130	chomp for @res;
		4131	while (@res) {
		4132	my ($func, $line) = splice @res, 0, 2, ();
		4133	push @funcs, "[$func] $line";
		4134	}
		4135
		4136	@funcs
		4137	};
		4138
		4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4141	LOG llevInfo, "[ABT] $_\n" for @bt;
		4142	--$_log_backtrace;
		4143	};
		4144	} else {
		4145	LOG llevInfo, "[ABT] $msg\n";
		4146	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	4147	}
2579	);	4148	}
		4149
		4150	# load additional modules
		4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
2580		4153
2581	END { cf::emergency_save }	4154	END { cf::emergency_save }
2582		4155
2583	1	4156	1
2584		4157

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