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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.217 by root, Thu Feb 15 21:07:49 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	121	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
61		130
62	our %CFG;	131	our %CFG;
63		132
64	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
66		136
67	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		140
76	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
79	binmode STDOUT;	154	binmode STDOUT;
80	binmode STDERR;	155	binmode STDERR;
81		156
82	# read virtual server time, if available	157	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
87	}	162	}
88		163
89	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	165
91	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		168
96	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
97		170
98	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		187
100	#############################################################################	188	#############################################################################
101		189
102	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
103		191
…		…
110	=item $cf::RUNTIME	198	=item $cf::RUNTIME
111		199
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	201	every server tick.
114		202
115	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		206
117	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
119		211
120	=item $cf::NOW	212	=item $cf::NOW
121		213
122	The time of the last (current) server tick.	214	The time of the last (current) server tick.
123		215
124	=item $cf::TICK	216	=item $cf::TICK
125		217
126	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
127		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
128	=item %cf::CFG	230	=item %cf::CFG
129		231
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	233	from wherever your confdir points to.
132		234
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		236
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
139		257
140	=back	258	=back
141		259
142	=cut	260	=cut
143		261
144	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	269	my $msg = join "", @_;
147	utf8::encode $msg;
148		270
149	$msg .= "\n"	271	$msg .= "\n"
150	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
151		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
152	LOG llevError, $msg;	276	LOG llevWarn, $msg;
153	};	277	};
154	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
155		292
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		300
163	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	302	# within the Safe compartment.
165	for my $pkg (qw(	303	for my $pkg (qw(
166	cf::global cf::attachable	304	cf::global cf::attachable
167	cf::object cf::object::player	305	cf::object cf::object::player
168	cf::client cf::player	306	cf::client cf::player
169	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
170	cf::map cf::party cf::region	309	cf::party cf::region
171	)) {	310	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	312	}
175		313
176	$Event::DIED = sub {	314	$EV::DIED = sub {
177	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
178	};	316	};
		317
		318	#############################################################################
179		319
180	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
181		321
182	=over 4	322	=over 4
183		323
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	343	$d
204	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
205	}	345	}
206		346
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
210		348
211	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
212		350
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
221		352
222	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
223		354
224	=cut	355	=cut
225		356
226	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
228	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
229	}	374	}
230		375
231	=item cf::lock_wait $string	376	=item cf::lock_wait $string
232		377
233	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
234		379
235	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
236		381
237	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
240	returned.	385	returned.
241		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
242	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
244		392
245	=cut	393	=item $locked = cf::lock_active $string
246		394
247	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
248		400
249	sub lock_wait($) {	401	sub lock_wait($) {
250	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	403	}
258		404
259	sub lock_acquire($) {	405	sub lock_acquire($) {
260	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
261		408
262	# wait, to be sure we are not locked	409	sub lock_active($) {
263	lock_wait $key;	410	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	411	}
272		412
273	sub freeze_mainloop {	413	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
275		415
276	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
278	};	483	}
279	$TICK_WATCHER->stop;	484	};
280	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
281	}	499	}
282		500
283	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
284		502
285	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		508
291	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
292		510
293	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
294		512
295	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
298		517
299	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
302	fast or be very important.	521	fast or be very important.
…		…
304	=cut	523	=cut
305		524
306	sub sync_job(&) {	525	sub sync_job(&) {
307	my ($job) = @_;	526	my ($job) = @_;
308		527
309	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
310	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
312		533
313	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	535
315	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
316		537
317	my $busy = 1;	538	my $busy = 1;
318	my @res;	539	my @res;
319		540
320	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	543	@res = eval { $job->() };
322	warn $@ if $@;	544	error $@ if $@;
323	undef $busy;	545	undef $busy;
324	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
325		547
326	while ($busy) {	548	while ($busy) {
327	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
328	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
329		559
330	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
331	} else {	561	} else {
332	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
333		563
…		…
353	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
354		584
355	$coro	585	$coro
356	}	586	}
357		587
358	sub write_runtime {	588	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		589
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	Executes the given code block with the given arguments in a seperate
362	or return;	591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
363		594
364	my $value = $cf::RUNTIME + 90 + 10;	595	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		596
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	597	sub post_fork {
369	and return;	598	reset_signals;
		599	}
370		600
371	# always fsync - this file is important	601	sub fork_call(&@) {
372	aio_fsync $fh	602	my ($cb, @args) = @_;
373	and return;
374		603
375	close $fh	604	# we seemingly have to make a local copy of the whole thing,
376	or return;	605	# otherwise perl prematurely frees the stuff :/
		606	# TODO: investigate and fix (likely this will be rather laborious)
377		607
378	aio_rename "$runtime~", $runtime	608	my @res = Coro::Util::fork_eval {
379	and return;	609	cf::post_fork;
		610	&$cb
		611	}, @args;
380		612
		613	wantarray ? @res : $res[-1]
		614	}
		615
		616	sub objinfo {
381	1	617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
		652	}
		653
		654	=item $value = cf::db_get $family => $key
		655
		656	Returns a single value from the environment database.
		657
		658	=item cf::db_put $family => $key => $value
		659
		660	Stores the given C<$value> in the family. It can currently store binary
		661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
		668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
		689
		690	our $DB;
		691
		692	sub db_init {
		693	$DB ||= db_table "db";
		694	}
		695
		696	sub db_get($$) {
		697	my $key = "$_[0]/$_[1]";
		698
		699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
		702	BDB::db_get $DB, undef, $key, my $data;
		703
		704	$! ? ()
		705	: $data
		706	}
		707
		708	sub db_put($$$) {
		709	BDB::dbreq_pri 4;
		710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		711	}
		712
		713	=item cf::cache $id => [$paths...], $processversion => $process
		714
		715	Generic caching function that returns the value of the resource $id,
		716	caching and regenerating as required.
		717
		718	This function can block.
		719
		720	=cut
		721
		722	sub cache {
		723	my ($id, $src, $processversion, $process) = @_;
		724
		725	my $meta =
		726	join "\x00",
		727	$processversion,
		728	map {
		729	aio_stat $_
		730	and Carp::croak "$_: $!";
		731
		732	($_, (stat _)[7,9])
		733	} @$src;
		734
		735	my $dbmeta = db_get cache => "$id/meta";
		736	if ($dbmeta ne $meta) {
		737	# changed, we may need to process
		738
		739	my @data;
		740	my $md5;
		741
		742	for (0 .. $#$src) {
		743	0 <= aio_load $src->[$_], $data[$_]
		744	or Carp::croak "$src->[$_]: $!";
		745	}
		746
		747	# if processing is expensive, check
		748	# checksum first
		749	if (1) {
		750	$md5 =
		751	join "\x00",
		752	$processversion,
		753	map {
		754	cf::cede_to_tick;
		755	($src->[$_], Digest::MD5::md5_hex $data[$_])
		756	} 0.. $#$src;
		757
		758
		759	my $dbmd5 = db_get cache => "$id/md5";
		760	if ($dbmd5 eq $md5) {
		761	db_put cache => "$id/meta", $meta;
		762
		763	return db_get cache => "$id/data";
		764	}
		765	}
		766
		767	my $t1 = Time::HiRes::time;
		768	my $data = $process->(\@data);
		769	my $t2 = Time::HiRes::time;
		770
		771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		772
		773	db_put cache => "$id/data", $data;
		774	db_put cache => "$id/md5" , $md5;
		775	db_put cache => "$id/meta", $meta;
		776
		777	return $data;
		778	}
		779
		780	db_get cache => "$id/data"
		781	}
		782
		783	=item cf::datalog type => key => value, ...
		784
		785	Log a datalog packet of the given type with the given key-value pairs.
		786
		787	=cut
		788
		789	sub datalog($@) {
		790	my ($type, %kv) = @_;
		791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	792	}
383		793
384	=back	794	=back
385		795
386	=cut	796	=cut
387		797
388	#############################################################################	798	#############################################################################
389		799
390	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
391		801
392	Many objects in crossfire are so-called attachable objects. That means you can	802	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
395		805
396	In the following description, CLASS can be any of C<global>, C<object>	806	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	808	Deliantra).
399		809
400	=over 4	810	=over 4
401		811
402	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
403		813
…		…
447	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
448		858
449	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
451		861
452	Some classes such as crossfire maps and objects can specify attachments	862	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	863	that are attached at load/instantiate time, thus the need for a name.
454		864
455	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
456		866
457	=over 4	867	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	976	$registry = $CB_TYPE[$object_type] ||= [];
567		977
568	} elsif ($type eq "subtype") {	978	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	979	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	980	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	981	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		982
573	} elsif ($type eq "package") {	983	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	984	my $pkg = shift @arg;
575		985
576	while (my ($name, $id) = each %cb_id) {	986	while (my ($name, $id) = each %cb_id) {
…		…
581		991
582	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		994
585	} elsif (ref $type) {	995	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
587		997
588	} else {	998	} else {
589	shift @arg;	999	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
591	}	1001	}
592	}	1002	}
593	}	1003	}
594		1004
595	sub _object_attach {	1005	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
606	}	1016	}
607		1017
608	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
609	} else {	1019	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1021	}
612		1022
613	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
614	}	1024	}
615		1025
…		…
617	if (ref $_[0]) {	1027	if (ref $_[0]) {
618	_object_attach @_;	1028	_object_attach @_;
619	} else {	1029	} else {
620	_attach shift->_attach_registry, @_;	1030	_attach shift->_attach_registry, @_;
621	}	1031	}
		1032	_recalc_want;
622	};	1033	};
623		1034
624	# all those should be optimised	1035	# all those should be optimised
625	sub cf::attachable::detach {	1036	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1037	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1040	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1041	reattach ($obj);
631	} else {	1042	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1043	Carp::croak "cannot, currently, detach class attachments";
633	}	1044	}
		1045	_recalc_want;
634	};	1046	};
635		1047
636	sub cf::attachable::attached {	1048	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
638		1050
…		…
653	";	1065	";
654	die if $@;	1066	die if $@;
655	}	1067	}
656		1068
657	our $override;	1069	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1071
660	sub override {	1072	sub override {
661	$override = 1;	1073	$override = 1;
662	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
663	}	1075	}
664		1076
665	sub do_invoke {	1077	sub do_invoke {
666	my $event = shift;	1078	my $event = shift;
667	my $callbacks = shift;	1079	my $callbacks = shift;
668		1080
669	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
670		1082
671	local $override;	1083	local $override;
672		1084
673	for (@$callbacks) {	1085	for (@$callbacks) {
674	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
675		1087
676	if ($@) {	1088	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1090	override;
680	}	1091	}
681		1092
682	return 1 if $override;	1093	return 1 if $override;
683	}	1094	}
684		1095
685	0	1096	0
686	}	1097	}
687		1098
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1100
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1102
692	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
693		1104
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1106	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1108
698	=back	1109	=back
699		1110
700	=cut	1111	=cut
701		1112
702	#############################################################################	1113	#############################################################################
703	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
704		1157
705	sub reattach {	1158	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1160	my ($obj) = @_;
708		1161
		1162	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1164
711	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
712		1166
713	@$registry = ();	1167	@$registry = ();
714		1168
…		…
719	for (@$attach) {	1173	for (@$attach) {
720	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
722	}	1176	}
723	} else {	1177	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1179	}
726	}	1180	}
727	}	1181	}
728		1182
729	cf::attachable->attach (	1183	cf::attachable->attach (
730	prio => -1000000,	1184	prio => -1000000,
731	on_instantiate => sub {	1185	on_instantiate => sub {
732	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
733		1187
734	$data = from_json $data;	1188	$data = decode_json $data;
735		1189
736	for (@$data) {	1190	for (@$data) {
737	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
738		1192
739	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1209	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
757		1211
758	sync_job {	1212	sync_job {
759	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
762		1218
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	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	}
767	close $fh;	1226	aio_close $fh;
768		1227
769	if (@$objs) {	1228	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1233	if ($cf::USE_FSYNC) {
		1234	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;
		1235	aio_fsync $fh;
		1236	}
775	close $fh;	1237	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
777	}	1239	}
778	} else {	1240	} else {
779	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
780	}	1242	}
781		1243
782	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1248	} else {
784	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
785	}	1250	}
786	} else {	1251	} else {
787	aio_unlink $filename;	1252	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
789	}	1254	}
790	}	1255	};
791	}	1256	}
792		1257
793	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
795		1260
…		…
807	or return;	1272	or return;
808		1273
809	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
811	or return;	1276	or return;
		1277
812	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
813	}	1280	}
814		1281
		1282	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
817	return ($data, $av);	1287	($data, $av)
818	}	1288	}
		1289
		1290	=head2 COMMAND CALLBACKS
		1291
		1292	=over 4
		1293
		1294	=cut
819		1295
820	#############################################################################	1296	#############################################################################
821	# command handling &c	1297	# command handling &c
822		1298
823	=item cf::register_command $name => \&callback($ob,$args);	1299	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1313	}
838		1314
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1316
841	Register a callbackf ro execution when the client sends an extcmd packet.	1317	Register a callback for execution when the client sends an (synchronous)
		1318	extcmd packet. Ext commands will be processed in the order they are
		1319	received by the server, like other user commands. The first argument is
		1320	the logged-in player. Ext commands can only be processed after a player
		1321	has logged in successfully.
842		1322
843	If the callback returns something, it is sent back as if reply was being	1323	If the callback returns something, it is sent back as if reply was being
844	called.	1324	called.
845		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
846	=cut	1337	=cut
847		1338
848	sub register_extcmd {	1339	sub register_extcmd {
849	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
850		1341
851	$EXTCMD{$name} = $cb;	1342	$EXTCMD{$name} = $cb;
852	}	1343	}
853		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
		1352
854	cf::player->attach (	1353	cf::player->attach (
855	on_command => sub {	1354	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
857		1356
858	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
859	or return;	1358	or return;
860		1359
…		…
865	cf::override;	1364	cf::override;
866	},	1365	},
867	on_extcmd => sub {	1366	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
869		1368
870	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1370
872	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
878	} else {	1386	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1388	}
881		1389
882	cf::override;	1390	cf::override;
883	},	1391	},
884	);	1392	);
885		1393
		1394	# "readahead" all extensions
886	sub load_extension {	1395	sub cache_extensions {
887	my ($path) = @_;	1396	my $grp = IO::AIO::aio_group;
888		1397
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1399	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1400	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1401	}
914	die $@;
915	}	1402	};
916		1403
917	push @EXTS, $pkg;	1404	$grp
918	}	1405	}
919		1406
920	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
		1410	cf::sync_job {
		1411	my %todo;
		1412
921	for my $ext (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1414	next unless -r $path;
923	eval {	1415
924	load_extension $ext;	1416	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1417	my $base = $1;
		1418	my $pkg = $1;
		1419	$pkg =~ s/[^[:word:]]/_/g;
		1420	$pkg = "ext::$pkg";
		1421
		1422	open my $fh, "<:utf8", $path
		1423	or die "$path: $!";
		1424
		1425	my $source = do { local $/; <$fh> };
		1426
		1427	my %ext = (
		1428	path => $path,
		1429	base => $base,
		1430	pkg => $pkg,
		1431	);
		1432
		1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1435
		1436	$ext{source} =
		1437	"package $pkg; use common::sense;\n"
		1438	. "#line 1 \"$path\"\n{\n"
		1439	. $source
		1440	. "\n};\n1";
		1441
		1442	$todo{$base} = \%ext;
		1443	}
		1444
		1445	my $pass = 0;
		1446	my %done;
		1447	while (%todo) {
		1448	my $progress;
		1449
		1450	++$pass;
		1451
		1452	ext:
		1453	while (my ($k, $v) = each %todo) {
		1454	for (split /,\s*/, $v->{meta}{depends}) {
		1455	next ext
		1456	unless exists $done{$_};
		1457	}
		1458
		1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1460
		1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
		1464	error "$v->{path}: $@\n";
		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1467	if exists $v->{meta}{mandatory};
		1468
		1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1470	delete $todo{$k};
		1471	} else {
		1472	$done{$k} = delete $todo{$k};
		1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
		1478	}
925	1	1479	}
926	} or warn "$ext not loaded: $@";	1480
		1481	unless ($progress) {
		1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
		1489	}
927	}	1490	};
928	}	1491	}
929		1492
930	#############################################################################	1493	#############################################################################
931		1494
		1495	=back
		1496
932	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
933		1498
934	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
935		1500
936	=cut	1501	=cut
937		1502
938	package cf::player;	1503	package cf::player;
939		1504
…		…
941		1506
942	=head3 cf::player	1507	=head3 cf::player
943		1508
944	=over 4	1509	=over 4
945		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
		1524
946	=item cf::player::find $login	1525	=item cf::player::find $login
947		1526
948	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
949		1528
950	=cut	1529	=cut
951		1530
952	sub playerdir($) {	1531	sub playerdir($) {
953	cf::localdir	1532	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1533	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1534	}
959		1535
960	sub path($) {	1536	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1537	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1538
963	(playerdir $login) . "/$login.pl"	1539	(playerdir $login) . "/playerdata"
964	}	1540	}
965		1541
966	sub find_active($) {	1542	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1543	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1544	and $cf::PLAYER{$_[0]}->active
…		…
971		1547
972	sub exists($) {	1548	sub exists($) {
973	my ($login) = @_;	1549	my ($login) = @_;
974		1550
975	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
977	}	1553	}
978		1554
979	sub find($) {	1555	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1557	my $login = $_[0];
982		1558
983	my $guard = cf::lock_acquire "user_find:$login";	1559	my $guard = cf::lock_acquire "user_find:$login";
984		1560
985	$cf::PLAYER{$_[0]} || do {	1561	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1562	# rename old playerfiles to new ones
		1563	#TODO: remove when no longer required
		1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1567	aio_unlink +(playerdir $login) . "/$login.pl";
		1568
		1569	my $f = new_from_file cf::object::thawer path $login
987	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
989	}	1578	}
990	}	1579	}
991	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
992		1594
993	sub save($) {	1595	sub save($) {
994	my ($pl) = @_;	1596	my ($pl) = @_;
995		1597
996	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1002		1604
1003	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1005		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1006	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1007	Coro::cede;	1614	cf::cede_to_tick;
1008	}	1615	}
1009		1616
1010	sub new($) {	1617	sub new($) {
1011	my ($login) = @_;	1618	my ($login) = @_;
1012		1619
…		…
1018	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1019		1626
1020	$self	1627	$self
1021	}	1628	}
1022		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1023	=item $pl->quit_character	1640	=item $pl->quit_character
1024		1641
1025	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1027		1644
1028	=cut	1645	=cut
1029		1646
1030	sub quit_character {	1647	sub quit_character {
1031	my ($pl) = @_;	1648	my ($pl) = @_;
1032		1649
		1650	my $name = $pl->ob->name;
		1651
1033	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1654
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1040		1663
1041	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1666	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1667	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1668	$pl->destroy;
		1669
		1670	my $prefix = qr<^~\Q$name\E/>;
		1671
		1672	# nuke player maps
		1673	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1674
1046	IO::AIO::aio_rmtree $temp;	1675	IO::AIO::aio_rmtree $temp;
		1676	}
		1677
		1678	=item $pl->kick
		1679
		1680	Kicks a player out of the game. This destroys the connection.
		1681
		1682	=cut
		1683
		1684	sub kick {
		1685	my ($pl, $kicker) = @_;
		1686
		1687	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1688	$pl->killer ("kicked");
		1689	$pl->ns->destroy;
1047	}	1690	}
1048		1691
1049	=item cf::player::list_logins	1692	=item cf::player::list_logins
1050		1693
1051	Returns am arrayref of all valid playernames in the system, can take a	1694	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1695	while and may block, so not sync_job-capable, ever.
1053		1696
1054	=cut	1697	=cut
1055		1698
1056	sub list_logins {	1699	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1700	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1701	or return [];
1059		1702
1060	my @logins;	1703	my @logins;
1061		1704
1062	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1066		1715
1067	utf8::decode $login;	1716	utf8::decode $login;
1068	push @logins, $login;	1717	push @logins, $login;
1069	}	1718	}
1070		1719
1071	\@logins	1720	\@logins
1072	}	1721	}
1073		1722
1074	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1075		1726
1076	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1077	player. May block.	1728	player. May block.
1078		1729
1079	=cut	1730	=cut
…		…
1097	}	1748	}
1098		1749
1099	\@paths	1750	\@paths
1100	}	1751	}
1101		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1103		1758
1104	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1105		1760
1106	=cut	1761	=cut
1107		1762
1108	sub ext_reply($$$%) {	1763	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1110		1765
1111	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1767	}
1115		1768
1116	package cf;	1769	=item $player->ext_msg ($type, @msg)
		1770
		1771	Sends an ext event to the client.
		1772
		1773	=cut
		1774
		1775	sub ext_msg($$@) {
		1776	my ($self, $type, @msg) = @_;
		1777
		1778	$self->ns->ext_msg ($type, @msg);
		1779	}
		1780
		1781	=head3 cf::region
		1782
		1783	=over 4
		1784
		1785	=cut
		1786
		1787	package cf::region;
		1788
		1789	=item cf::region::find_by_path $path
		1790
		1791	Tries to decuce the likely region for a map knowing only its path.
		1792
		1793	=cut
		1794
		1795	sub find_by_path($) {
		1796	my ($path) = @_;
		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
		1800	my ($match, $specificity);
		1801
		1802	for my $region (list) {
		1803	if ($region->{match} && $path =~ $region->{match}) {
		1804	($match, $specificity) = ($region, $region->specificity)
		1805	if $region->specificity > $specificity;
		1806	}
		1807	}
		1808
		1809	$match
		1810	}
1117		1811
1118	=back	1812	=back
1119
1120		1813
1121	=head3 cf::map	1814	=head3 cf::map
1122		1815
1123	=over 4	1816	=over 4
1124		1817
…		…
1136	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1138		1831
1139	sub generate_random_map {	1832	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1836
1141	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1838	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1164		1860
1165	sub register {	1861	sub register {
1166	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	1863	my $pkg = caller;
1168		1864
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		1866
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1868	}
1174		1869
1175	# also paths starting with '/'	1870	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1872
1178	sub thawer_merge {	1873	sub thawer_merge {
1179	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1180		1875
1181	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
1182	local $self->{path};	1877	local $self->{path};
1183	local $self->{load_path};	1878	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1879
1187	$self->SUPER::thawer_merge ($merge);	1880	$self->SUPER::thawer_merge ($merge);
1188	}	1881	}
1189		1882
1190	sub normalise {	1883	sub normalise {
1191	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1192		1885
1193	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1194		1887
1195	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1196		1889
1197	# map plan:	1890	# map plan:
1198	#	1891	#
…		…
1237	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1238	return $self;	1931	return $self;
1239	}	1932	}
1240	}	1933	}
1241		1934
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	1936	()
1244	}	1937	}
1245		1938
1246	sub init {	1939	sub init {
1247	my ($self) = @_;	1940	my ($self) = @_;
…		…
1262		1955
1263	# the original (read-only) location	1956	# the original (read-only) location
1264	sub load_path {	1957	sub load_path {
1265	my ($self) = @_;	1958	my ($self) = @_;
1266		1959
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1960	"$MAPDIR/$self->{path}.map"
1268	}	1961	}
1269		1962
1270	# the temporary/swap location	1963	# the temporary/swap location
1271	sub save_path {	1964	sub save_path {
1272	my ($self) = @_;	1965	my ($self) = @_;
1273		1966
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1968	"$TMPDIR/$path.map"
1276	}	1969	}
1277		1970
1278	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1279	sub uniq_path {	1972	sub uniq_path {
1280	my ($self) = @_;	1973	my ($self) = @_;
1281		1974
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1976	"$UNIQUEDIR/$path"
1284	}	1977	}
1285		1978
1286	# and all this just because we cannot iterate over	1979	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	1980	my ($self) = @_;
1290		1981
1291	$_->change_map_light ($change)	1982	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	1983
		1984	$self->do_decay_objects;
1293	}	1985	}
1294		1986
1295	sub unlink_save {	1987	sub unlink_save {
1296	my ($self) = @_;	1988	my ($self) = @_;
1297		1989
…		…
1302		1994
1303	sub load_header_from($) {	1995	sub load_header_from($) {
1304	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1305		1997
1306	utf8::encode $path;	1998	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	2000	or return;
		2001
		2002	$self->_load_header ($f)
		2003	or return;
		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
1312		2007
1313	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1314		2009
1315	1	2010	1
1316	}	2011	}
…		…
1355	$self->load_header_orig	2050	$self->load_header_orig
1356	or return;	2051	or return;
1357	$self->prepare_orig;	2052	$self->prepare_orig;
1358	}	2053	}
1359		2054
		2055	$self->{deny_reset} = 1
		2056	if $self->no_reset;
		2057
		2058	$self->default_region (cf::region::find_by_path $self->{path})
		2059	unless $self->default_region;
		2060
1360	1	2061	1
1361	}	2062	}
1362		2063
1363	sub find;	2064	sub find;
1364	sub find {	2065	sub find {
1365	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1366		2067
		2068	cf::cede_to_tick;
		2069
1367	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1368		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1370		2074
1371	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";
1373	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1374	or return;	2077	or return;
1375		2078
1376	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1377		2080
1378	$map->load_header	2081	$map->load_header
1379	or return;	2082	or return;
1380		2083
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1384	$map->reset;	2089	$map->reset;
1385	undef $guard;
1386	return find $path;	2090	return find $path;
1387	}	2091	}
1388		2092
1389	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1390	}	2094	}
1391	}	2095	}
1392		2096
1393	sub pre_load { }	2097	sub pre_load { }
1394	sub post_load { }	2098	#sub post_load { } # XS
1395		2099
1396	sub load {	2100	sub load {
1397	my ($self) = @_;	2101	my ($self) = @_;
1398		2102
1399	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1400		2104
1401	my $path = $self->{path};	2105	my $path = $self->{path};
		2106
		2107	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1403		2109
		2110	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		2112
1406	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1407		2114
1408	$self->alloc;	2115	$self->alloc;
1409		2116
1410	$self->pre_load;	2117	$self->pre_load;
		2118	cf::cede_to_tick;
1411		2119
1412	$self->_load_objects ($self->{load_path}, 1)	2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
		2122	$self->_load_objects ($f)
1413	or return;	2123	or return;
1414		2124
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1416	if delete $self->{load_original};	2126	if delete $self->{load_original};
1417		2127
1418	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2129	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2132	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1423	}	2136	}
1424	}	2137	}
1425		2138
1426	Coro::cede;	2139	$f->resolve_delayed_derefs;
1427		2140
		2141	cf::cede_to_tick;
1428	# now do the right thing for maps	2142	# now do the right thing for maps
1429	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2145	unless $self->difficulty;
1439	Coro::cede;	2146	cf::cede_to_tick;
		2147
		2148	unless ($self->{deny_activate}) {
		2149	$self->decay_objects;
		2150	$self->fix_auto_apply;
		2151	$self->update_buttons;
		2152	cf::cede_to_tick;
1440	$self->activate;	2153	$self->activate;
		2154	}
		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
		2159	$self->in_memory (cf::MAP_ACTIVE);
1441	}	2160	}
1442		2161
1443	$self->post_load;	2162	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2163	}
1447		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
1448	sub customise_for {	2168	sub customise_for {
1449	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1450		2170
1451	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2172	if $self->per_player;
1453		2173
		2174	# return find "?party/" . $ob->name . "/" . $self->{path}
		2175	# if $self->per_party;
		2176
1454	$self	2177	$self
1455	}	2178	}
1456		2179
1457	# find and load all maps in the 3x3 area around a map	2180	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	2181	sub load_neighbours {
1459	my ($map) = @_;	2182	my ($map) = @_;
1460		2183
1461	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1462		2185
1463	for (0 .. 3) {	2186	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1465	or next;	2188	or next;
1466	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1467	or next;	2190	or next;
1468	$neigh->load;	2191	$neigh->load;
1469		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2197	}
1473		2198
1474	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1476	or next;	2202	or next;
1477	$neigh->load;	2203	$neigh->load;
1478	}	2204	}
1479	}	2205	}
1480		2206
1481	sub find_sync {	2207	sub find_sync {
1482	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1483		2209
1484	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1485	}	2214	}
1486		2215
1487	sub do_load_sync {	2216	sub do_load_sync {
1488	my ($map) = @_;	2217	my ($map) = @_;
1489		2218
1490	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1491	}	2223	}
1492		2224
1493	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1495		2227
1496	sub find_async {	2228	sub find_async {
1497	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1498		2230
1499	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1500		2232
1501	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1503	}	2235	}
1504		2236
1505	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1506	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1507	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2244	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2245	$map->load if $v;
		2246	}
1512		2247
1513	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1514	}	2249	}
1515	}	2250	}
1516	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1517	};	2252	};
1518	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1519		2254
1520	()	2255	()
1521	}	2256	}
1522		2257
		2258	# common code, used by both ->save and ->swapout
1523	sub save {	2259	sub _save {
1524	my ($self) = @_;	2260	my ($self) = @_;
1525
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
1527		2261
1528	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1529		2263
1530	return unless $self->dirty;	2264	return unless $self->dirty;
1531		2265
…		…
1537	return if $self->{deny_save};	2271	return if $self->{deny_save};
1538		2272
1539	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1540		2274
1541	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1543	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1544		2281
1545	if ($uniq) {	2282	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2285	} else {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1550	}	2287	}
1551	}	2288	}
1552		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1553	sub swap_out {	2298	sub swap_out {
1554	my ($self) = @_;	2299	my ($self) = @_;
1555		2300
1556	# save first because save cedes
1557	$self->save;
1558
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1561	return if $self->players;	2305	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};
1564		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1565	$self->clear;	2316	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2317	}
1568		2318
1569	sub reset_at {	2319	sub reset_at {
1570	my ($self) = @_;	2320	my ($self) = @_;
1571		2321
1572	# TODO: safety, remove and allow resettable per-player maps	2322	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2323	return 1e99 if $self->{deny_reset};
1575		2324
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2325	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2326	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2327
…		…
1589	my ($self) = @_;	2338	my ($self) = @_;
1590		2339
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2341
1593	return if $self->players;	2342	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2343
1596	warn "resetting map ", $self->path;#d#	2344	cf::trace "resetting map ", $self->path, "\n";
1597		2345
1598	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
1599		2347
1600	# need to save uniques path	2348	# need to save uniques path
1601	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2353	if $uniq;
1606	}	2354	}
1607		2355
1608	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1609		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2360	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2361
1614	$self->unlink_save;	2362	$self->unlink_save;
1615	$self->destroy;	2363	$self->destroy;
1616	}	2364	}
1617		2365
1618	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1619		2367
1620	sub nuke {	2368	sub nuke {
1621	my ($self) = @_;	2369	my ($self) = @_;
1622		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
1623	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
1624		2375
1625	$self->unlink_save;	2376	$self->unlink_save;
1626		2377
1627	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
1628	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2383
1633	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
1634		2386
1635	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
		2388	}
		2389
		2390	=item $maps = cf::map::tmp_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	maps. May block.
		2394
		2395	=cut
		2396
		2397	sub tmp_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise $_
		2403	: ()
		2404	} @{ aio_readdir $TMPDIR or [] }
		2405	]
		2406	}
		2407
		2408	=item $maps = cf::map::random_maps
		2409
		2410	Returns an arrayref with all map paths of currently instantiated and saved
		2411	random maps. May block.
		2412
		2413	=cut
		2414
		2415	sub random_maps() {
		2416	[
		2417	map {
		2418	utf8::decode $_;
		2419	/\.map$/
		2420	? normalise "?random/$_"
		2421	: ()
		2422	} @{ aio_readdir $RANDOMDIR or [] }
		2423	]
1636	}	2424	}
1637		2425
1638	=item cf::map::unique_maps	2426	=item cf::map::unique_maps
1639		2427
1640	Returns an arrayref of paths of all shared maps that have	2428	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2429	instantiated unique items. May block.
1642		2430
1643	=cut	2431	=cut
1644		2432
1645	sub unique_maps() {	2433	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2434	[
1647	or return;	2435	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2436	utf8::decode $_;
1653	next if /\.pst$/;	2437	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2439	? ()
1656	push @paths, cf::map::normalise $_;	2440	: normalise $_
		2441	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2442	]
1658
1659	\@paths
1660	}	2443	}
1661		2444
1662	package cf;	2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
		2474	\@maps
		2475	}
1663		2476
1664	=back	2477	=back
1665		2478
1666	=head3 cf::object	2479	=head3 cf::object
1667		2480
…		…
1671		2484
1672	=over 4	2485	=over 4
1673		2486
1674	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
1675		2488
1676	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
1677		2491
1678	=cut	2492	=cut
1679		2493
1680	sub inv_recursive_;	2494	sub inv_recursive_;
1681	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
1684		2498
1685	sub inv_recursive {	2499	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
1687	}	2501	}
1688		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
1689	package cf;	2531	package cf;
1690		2532
1691	=back	2533	=back
1692		2534
1693	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
1699	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1700	can be C<undef>. Does the right thing when the player is currently in a	2542	can be C<undef>. Does the right thing when the player is currently in a
1701	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
1702		2544
1703	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
1704		2560
1705	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
1706	# with dialog boxes.	2562	# with dialog boxes.
1707	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
1708	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
1710		2566
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2568
1713	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
1715	} else {	2572	} else {
		2573	my $pl = $self->contr;
		2574
		2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2576	my $dialog = $pl->{npc_dialog};
		2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2578
		2579	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
1718	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
1719	}	2594	}
1720		2595
1721	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
1722		2597
1723	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
1736		2611
1737	=item $player_object->enter_link	2612	=item $player_object->enter_link
1738		2613
1739	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
1740		2615
1741	The player should be reasonably safe there for short amounts of time. You	2616	The player should be reasonably safe there for short amounts of time (e.g.
1742	I<MUST> call C<leave_link> as soon as possible, though.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
1743		2620
1744	Will never block.	2621	Will never block.
1745		2622
1746	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
1747		2624
…		…
1767	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
1768	my ($self) = @_;	2645	my ($self) = @_;
1769		2646
1770	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
1771		2648
		2649	++$self->{_link_recursion};
		2650
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2652
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2654	if $self->map && $self->map->{path} ne "{link}";
1776		2655
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1778	}	2657	}
1779		2658
1780	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
		2661
		2662	return unless $self->contr->active;
1782		2663
1783	my $link_pos = delete $self->{_link_pos};	2664	my $link_pos = delete $self->{_link_pos};
1784		2665
1785	unless ($map) {	2666	unless ($map) {
1786	# restore original map position	2667	# restore original map position
…		…
1797	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
1798	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
1799		2680
1800	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
1803		2684
1804	$map->load;	2685	$map->load;
1805	$map->load_diag;	2686	$map->load_neighbours;
1806		2687
1807	return unless $self->contr->active;	2688	return unless $self->contr->active;
1808	$self->activate_recursive;
1809		2689
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2691	if ($self->enter_map ($map, $x, $y)) {
1812	}	2692	# entering was successful
1813		2693	delete $self->{_link_recursion};
1814	cf::player->attach (	2694	# only activate afterwards, to support waiting in hooks
1815	on_logout => sub {	2695	$self->activate_recursive;
1816	my ($pl) = @_;
1817
1818	# abort map switching before logout
1819	if ($pl->ob->{_link_pos}) {
1820	cf::sync_job {
1821	$pl->ob->leave_link
1822	};
1823	}
1824	},	2696	}
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2697
1828	# try to abort aborted map switching on player login :)	2698	}
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845		2699
1846	=item $player_object->goto ($path, $x, $y)	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1847		2701
		2702	Moves the player to the given map-path and coordinates by first freezing
		2703	her, loading and preparing them map, calling the provided $check callback
		2704	that has to return the map if sucecssful, and then unfreezes the player on
		2705	the new (success) or old (failed) map position. In either case, $done will
		2706	be called at the end of this process.
		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
		2710
1848	=cut	2711	=cut
		2712
		2713	our $GOTOGEN;
1849		2714
1850	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
		2717
		2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
		2723
		2724	# do generation counting so two concurrent goto's will be executed in-order
		2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2726
1853	$self->enter_link;	2727	$self->enter_link;
1854		2728
1855	(async {	2729	(async {
		2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
1856	my $map = eval {	2751	my $map = eval {
1857	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
		2753
		2754	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2755	$map = $map->customise_for ($self);
		2756	$map = $check->($map, $x, $y, $self) if $check && $map;
		2757	} else {
		2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760
1859	$map	2761	$map
		2762	};
		2763
		2764	if ($@) {
		2765	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2766	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2767	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2768
		2769	if ($gen == $self->{_goto_generation}) {
		2770	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
		2772	}
		2773
		2774	$done->($self) if $done;
1864	})->prio (1);	2775	})->prio (1);
1865	}	2776	}
1866		2777
1867	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
1868		2779
…		…
1888	}	2799	}
1889		2800
1890	sub prepare_random_map {	2801	sub prepare_random_map {
1891	my ($exit) = @_;	2802	my ($exit) = @_;
1892		2803
1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1894
1895	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
1896	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
1897	# that depends on the exit object	2806	# that depends on the exit object
1898		2807
1899	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
1901	if ($exit->map) {	2810	if ($exit->map) {
1902	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
1903	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
1904	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
1905	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
1906	}	2817	}
1907		2818
1908	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
1909		2820
1910	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
1913		2824
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2827	undef $fh;
1917	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
1918		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
1919	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
1920	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
1921	}	2836	}
1922	}	2837	}
1923		2838
1924	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
1925	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
1926		2841
1927	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
1928		2843
1929	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
1931	cf::sync_job { prepare_random_map $exit };
1932	}
1933
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;
1937
1938	$self->enter_link;	2844	$self->enter_link;
1939		2845
1940	(async {	2846	(async {
1941	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
1942	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
		2856	prepare_random_map $exit
		2857	if $exit->slaying eq "/!";
		2858	}
		2859
		2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
		2863
1943	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
1944		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
1945	1;	2870	1
1946	}) {	2871	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
1948	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2876
1952	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
1953	$self->leave_link;	2878	$self->leave_link;
1954	}	2879	}
1955	})->prio (1);	2880	})->prio (1);
1956	}	2881	}
1957		2882
…		…
1968		2893
1969	sub cf::client::send_drawinfo {	2894	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2895	my ($self, $text, $flags) = @_;
1971		2896
1972	utf8::encode $text;	2897	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2899	}
1975		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
		2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2927
		2928	Send a drawinfo or msg packet to the client, formatting the msg for the
		2929	client if neccessary. C<$type> should be a string identifying the type of
		2930	the message, with C<log> being the default. If C<$color> is negative, suppress
		2931	the message unless the client supports the msg packet.
		2932
		2933	=cut
		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
		3049	sub cf::client::send_msg {
		3050	my ($self, $channel, $msg, $color, @extra) = @_;
		3051
		3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
		3069	}
		3070
		3071	$channel = $channel->{id};
		3072	}
		3073
		3074	return unless @extra || length $msg;
		3075
		3076	# default colour, mask it out
		3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3078	if $color & cf::NDI_DEF;
		3079
		3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
		3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3083	);
		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
		3088	=item $client->ext_msg ($type, @msg)
		3089
		3090	Sends an ext event to the client.
		3091
		3092	=cut
		3093
		3094	sub cf::client::ext_msg($$@) {
		3095	my ($self, $type, @msg) = @_;
		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
		3100	push @msg, msgtype => "event_$type";
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
		3121	}
1976		3122
1977	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
1978		3124
1979	Queues a query to the client, calling the given callback with	3125	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		3128
1983	Queries can fail, so check the return code. Or don't, as queries will become	3129	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	3130	become reliable at some point in the future.
1985		3131
1986	=cut	3132	=cut
1987		3133
1988	sub cf::client::query {	3134	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	3143	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		3145
2000	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
2002	}	3150	}
2003		3151
2004	cf::client->attach (	3152	cf::client->attach (
		3153	on_connect => sub {
		3154	my ($ns) = @_;
		3155
		3156	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3157	},
2005	on_reply => sub {	3158	on_reply => sub {
2006	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
2007		3160
2008	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
2009	# get handled first	3162	# get handled first
…		…
2021	} else {	3174	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	3176	}
2024	}	3177	}
2025	},	3178	},
		3179	on_exticmd => sub {
		3180	my ($ns, $buf) = @_;
		3181
		3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3183
		3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
		3192	if (my $cb = $EXTICMD{$type}) {
		3193	@reply = $cb->($ns, @payload);
		3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
		3199	} else {
		3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3201	}
		3202
		3203	cf::override;
		3204	},
2026	);	3205	);
2027		3206
2028	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
2029		3208
2030	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046		3225
2047	$coro	3226	$coro
2048	}	3227	}
2049		3228
2050	cf::client->attach (	3229	cf::client->attach (
2051	on_destroy => sub {	3230	on_client_destroy => sub {
2052	my ($ns) = @_;	3231	my ($ns) = @_;
2053		3232
2054	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2055	},	3234	},
2056	);	3235	);
…		…
2071	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2073		3252
2074	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2075		3254
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2077		3260
2078	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2079		3262
2080	=pod	3263	=pod
2081		3264
2082	The following fucntions and emthods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2083		3266
2084	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
2085	cf::object::player player	3272	cf::object::player
2086	cf::player peaceful	3273	player
2087	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2088		3280
2089	=cut	3281	=cut
2090		3282
2091	for (	3283	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2093	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2095	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2096	) {	3290	) {
2097	no strict 'refs';
2098	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2099	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2100	for @funs;	3293	for @funs;
2101	}	3294	}
2102		3295
…		…
2117		3310
2118	my $qcode = $code;	3311	my $qcode = $code;
2119	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2120	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2121		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2122	local $_;	3318	local $_;
2123	local @safe::cf::_safe_eval_args = values %vars;
2124		3319
2125	my $eval =	3320	my $eval =
2126	"do {\n"	3321	"do {\n"
2127	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2128	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2129	. $code	3324	. $code
2130	. "\n}"	3325	. "\n}"
2131	;	3326	;
2132		3327
		3328	if ($CFG{safe_eval}) {
2133	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2134	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2135	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2136		3337
2137	if ($@) {	3338	if ($@) {
2138	warn "$@";	3339	warn "$@",
2139	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2140	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2141	}	3342	}
2142		3343
2143	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2144	}	3345	}
2145		3346
…		…
2159	=cut	3360	=cut
2160		3361
2161	sub register_script_function {	3362	sub register_script_function {
2162	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2163		3364
2164	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2165	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2166	}	3367	}
2167		3368
2168	=back	3369	=back
2169		3370
2170	=cut	3371	=cut
2171
2172	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243		3372
2244	#############################################################################	3373	#############################################################################
2245	# the server's init and main functions	3374	# the server's init and main functions
2246		3375
2247	sub init_resources {	3376	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3377	my ($path) = @_;
		3378
		3379	# HACK to clear player env face cache, we need some signal framework
		3380	# for this (global event?)
		3381	%ext::player_env::MUSIC_FACE_CACHE = ();
		3382
		3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3384
		3385	trace "loading facedata from $path\n";
		3386
		3387	0 < aio_load $path, my $facedata
		3388	or die "$path: $!";
		3389
		3390	$facedata = Coro::Storable::thaw $facedata;
		3391
		3392	$facedata->{version} == 2
		3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3394
		3395	# patch in the exptable
		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3397	$facedata->{resource}{"res/exp_table"} = {
		3398	type => FT_RSRC,
		3399	data => $exp_table,
		3400	hash => (Digest::MD5::md5 $exp_table),
		3401	};
		3402	cf::cede_to_tick;
		3403
		3404	{
		3405	my $faces = $facedata->{faceinfo};
		3406
		3407	while (my ($face, $info) = each %$faces) {
		3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
		3410	cf::face::set_visibility $idx, $info->{visibility};
		3411	cf::face::set_magicmap $idx, $info->{magicmap};
		3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3414
		3415	cf::cede_to_tick;
		3416	}
		3417
		3418	while (my ($face, $info) = each %$faces) {
		3419	next unless $info->{smooth};
		3420
		3421	my $idx = cf::face::find $face
		3422	or next;
		3423
		3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
		3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3427	} else {
		3428	error "smooth face '$info->{smooth}' not found for face '$face'";
		3429	}
		3430
		3431	cf::cede_to_tick;
		3432	}
		3433	}
		3434
		3435	{
		3436	my $anims = $facedata->{animinfo};
		3437
		3438	while (my ($anim, $info) = each %$anims) {
		3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3440	cf::cede_to_tick;
		3441	}
		3442
		3443	cf::anim::invalidate_all; # d'oh
		3444	}
		3445
		3446	{
		3447	my $res = $facedata->{resource};
		3448
		3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
		3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3454	cf::face::set_type $idx, $info->{type};
		3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
		3465	1
		3466	}
		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
		3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
		3491	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3492	or die "unable to load regions file\n";
2250	}
2251		3493
2252	sub cfg_load {	3494	for (cf::region::list) {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3495	$_->{match} = qr/$_->{match}/
2254	or return;	3496	if exists $_->{match};
		3497	}
		3498	}
2255		3499
2256	local $/;	3500	sub reload_facedata {
		3501	load_facedata "$DATADIR/facedata"
		3502	or die "unable to load facedata\n";
		3503	}
		3504
		3505	sub reload_archetypes {
		3506	load_resource_file "$DATADIR/archetypes"
		3507	or die "unable to load archetypes\n";
		3508	}
		3509
		3510	sub reload_treasures {
		3511	load_resource_file "$DATADIR/treasures"
		3512	or die "unable to load treasurelists\n";
		3513	}
		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
		3538	sub reload_resources {
		3539	trace "reloading resource files...\n";
		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
		3546	reload_regions;
		3547	reload_treasures;
		3548
		3549	trace "finished reloading resource files\n";
		3550	}
		3551
		3552	sub reload_config {
		3553	trace "reloading config file...\n";
		3554
		3555	0 < aio_load "$CONFDIR/config", my $config
		3556	or die "$CONFDIR/config: $!";
		3557
		3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2257	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2258		3562
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2260		3564
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2263		3567
2264	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2268	};	3572	};
2269	warn $@ if $@;	3573	warn $@ if $@;
2270	}	3574	}
2271	}	3575	}
2272		3576
2273	sub init {	3577	sub pidfile() {
2274	init_resources;	3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
2275	}	3603	}
2276		3604
2277	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2278	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3618	(async {
2282	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2284	};	3622	};
2285		3623
2286	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
		3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
2287	db_init;	3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2288	load_extensions;	3647	load_extensions;
2289		3648
2290	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2291	Event::loop;	3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2292	}	3667	}
2293		3668
2294	#############################################################################	3669	#############################################################################
2295	# initialisation and cleanup	3670	# initialisation and cleanup
2296		3671
2297	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2298	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2307	},
2308	);	3678	};
		3679	}
		3680	}
		3681
		3682	sub write_runtime_sync {
		3683	my $t0 = AE::time;
		3684
		3685	# first touch the runtime file to show we are still running:
		3686	# the fsync below can take a very very long time.
		3687
		3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3689
		3690	my $guard = cf::lock_acquire "write_runtime";
		3691
		3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3693	or return;
		3694
		3695	my $value = $cf::RUNTIME + 90 + 10;
		3696	# 10 is the runtime save interval, for a monotonic clock
		3697	# 60 allows for the watchdog to kill the server.
		3698
		3699	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3700	and return;
		3701
		3702	# always fsync - this file is important
		3703	aio_fsync $fh
		3704	and return;
		3705
		3706	# touch it again to show we are up-to-date
		3707	aio_utime $fh, undef, undef;
		3708
		3709	close $fh
		3710	or return;
		3711
		3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3713	and return;
		3714
		3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3716
2309	}	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
2310	}	3768	}
2311		3769
2312	sub emergency_save() {	3770	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2314		3772
2315	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
2316		3779
2317	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2318	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2319	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2320	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2322	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3791	$pl->save;
2326	}	3792	}
2327	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2328		3794
2329	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
2330	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2331	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2332	$map->valid or next;	3800	$map->valid or next;
2333	$map->save;	3801	$map->save;
2334	}	3802	}
2335	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
2336		3804
2337	warn "begin emergency database checkpoint\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2340	};	3833	};
2341		3834
2342	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2343	}	3836	}
2344		3837
2345	sub post_cleanup {	3838	sub post_cleanup {
2346	my ($make_core) = @_;	3839	my ($make_core) = @_;
2347		3840
		3841	IO::AIO::flush;
		3842
2348	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3844	if $make_core;
2350	}
2351		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
		3873	}
		3874
2352	sub reload() {	3875	sub do_reload_perl() {
2353	# can/must only be called in main	3876	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2355	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2356	return;	3879	return;
2357	}	3880	}
2358		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2359	warn "reloading...";	3888	info "reloading...";
2360		3889
2361	warn "entering sync_job";	3890	trace "entering sync_job";
2362		3891
2363	cf::sync_job {	3892	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark
2365	cf::emergency_save;	3893	#cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark
2367		3894
2368	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;
2370
2371	# if anything goes wrong in here, we should simply crash as we already saved
2372
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";
2379	for (;;) {
2380	BDB::flush;
2381	IO::AIO::flush;
2382	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";
2385	}
2386
2387	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3897	%EXT_CORO = ();
2390		3898
2391	warn "removing commands";	3899	trace "removing commands";
2392	%COMMAND = ();	3900	%COMMAND = ();
2393		3901
2394	warn "removing ext commands";	3902	trace "removing ext/exti commands";
2395	%EXTCMD = ();	3903	%EXTCMD = ();
		3904	%EXTICMD = ();
2396		3905
2397	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
2400		3909
2401	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
2402	eval {	3911	eval {
2403	$cb->($pkg);	3912	$cb->($pkg);
2404	1	3913	1
2405	} or warn "$pkg unloaded, but with errors: $@";	3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
2406	}	3919	}
2407		3920
2408	warn "... nuking $pkg";
2409	Symbol::delete_package $pkg;
2410	}
2411
2412	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
2413	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2415		3924
2416	warn "... unloading $k";	3925	trace "... unloading $k";
2417	delete $INC{$k};	3926	delete $INC{$k};
2418		3927
2419	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
2420	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
2421		3930
2422	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
2423	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2424	}	3936	}
2425		3937
2426	Symbol::delete_package $k;
2427	}
2428
2429	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
2430	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3941
2433	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
		3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2435		3945
2436	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3947	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2439		3949
2440	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
2441		3951
2442	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2443	require cf;	3953	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2445		3955
2446	warn "loading config and database again";	3956	trace "loading config and database again";
2447	cf::cfg_load;	3957	cf::reload_config;
2448		3958
2449	warn "loading extensions";	3959	trace "loading extensions";
2450	cf::load_extensions;	3960	cf::load_extensions;
2451		3961
		3962	if ($REATTACH_ON_RELOAD) {
2452	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
2453	_global_reattach;	3964	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
		3967	trace "reattaching attachments to players";
		3968	reattach $_ for values %PLAYER;
		3969	}
2456		3970
2457	warn "loading reloadable resources";	3971	trace "running post_init jobs";
2458	init_resources;	3972	(pop @POST_INIT)->(1) while @POST_INIT;
2459		3973
2460	warn "leaving sync_job";	3974	trace "leaving sync_job";
2461		3975
2462	1	3976	1
2463	} or do {	3977	} or do {
2464	warn $@;	3978	error $@;
2465	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
2466	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
		3984	}
		3985
		3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
		3988	};
		3989
		3990	our $RELOAD_WATCHER; # used only during reload
		3991
		3992	sub reload_perl() {
		3993	# doing reload synchronously and two reloads happen back-to-back,
		3994	# coro crashes during coro_state_free->destroy here.
		3995
		3996	$RELOAD_WATCHER ||= cf::async {
		3997	Coro::AIO::aio_wait cache_extensions;
		3998
		3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4000	do_reload_perl;
		4001	undef $RELOAD_WATCHER;
		4002	};
2467	};	4003	};
2468		4004	}
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		4005
2474	register_command "reload" => sub {	4006	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2476		4008
2477	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
2479		4011	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	4012	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	4013	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	4014	};
2492	}	4015	}
2493	};	4016	};
2494		4017
2495	unshift @INC, $LIBDIR;	4018	#############################################################################
2496		4019
2497	my $bug_warning = 0;	4020	my $bug_warning = 0;
2498		4021
2499	$TICK_WATCHER = Event->timer (	4022	our @WAIT_FOR_TICK;
2500	reentrant => 0,	4023	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	4024
2502	prio => 0,	4025	sub wait_for_tick() {
2503	at => $NEXT_TICK || $TICK,	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	4027
2505	cb => sub {	4028	my $signal = new Coro::Signal;
		4029	push @WAIT_FOR_TICK, $signal;
		4030	$signal->wait;
		4031	}
		4032
		4033	sub wait_for_tick_begin() {
		4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4035
		4036	my $signal = new Coro::Signal;
		4037	push @WAIT_FOR_TICK_BEGIN, $signal;
		4038	$signal->wait;
		4039	}
		4040
		4041	sub tick {
2506	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
2509	return;	4045	return;
2510	}	4046	}
2511		4047
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		4049
		4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4051
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	4054	Coro::async_pool {
		4055	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	4056	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	4057	or error "ERROR: unable to write runtime file: $!";
2523	};
2524	}	4058	};
2525
2526
2527	$WAIT_FOR_TICK->broadcast;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530	# my $AFTER = Event::time;
2531	# warn $AFTER - $NOW;#d#
2532
2533	# if we are delayed by four ticks or more, skip them all
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2535
2536	$TICK_WATCHER->at ($NEXT_TICK);
2537	$TICK_WATCHER->start;
2538	},	4059	}
2539	);	4060
		4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4062	$sig->send;
		4063	}
		4064	while (my $sig = shift @WAIT_FOR_TICK) {
		4065	$sig->send;
		4066	}
		4067
		4068	$LOAD = ($NOW - $TICK_START) / $TICK;
		4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4070
		4071	if (0) {
		4072	if ($NEXT_TICK) {
		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
		4077	}
		4078	}
2540		4079
2541	{	4080	{
2542	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
2543	$BDB_POLL_WATCHER = Event->io (	4082
2544	reentrant => 0,
2545	fd => BDB::poll_fileno,
2546	poll => 'r',
2547	prio => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => \&BDB::poll_cb,
2550	);
2551	BDB::min_parallel 8;	4083	BDB::min_parallel 16;
2552		4084	BDB::max_poll_reqs $TICK * 0.1;
2553	BDB::set_sync_prepare {	4085	$AnyEvent::BDB::WATCHER->priority (1);
2554	my $status;
2555	my $current = $Coro::current;
2556	(
2557	sub {
2558	$status = $!;
2559	$current->ready; undef $current;
2560	},
2561	sub {
2562	Coro::schedule while defined $current;
2563	$! = $status;
2564	},
2565	)
2566	};
2567		4086
2568	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
2569	$DB_ENV = BDB::db_env_create;	4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2570		4094
2571	cf::sync_job {	4095	cf::sync_job {
2572	eval {	4096	eval {
2573	BDB::db_env_open	4097	BDB::db_env_open
2574	$DB_ENV,	4098	$DB_ENV,
2575	$BDB_ENV_DIR,	4099	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	4102	0666;
2579		4103
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583	$DB_ENV->set_lk_detect;
2584	};	4105	};
2585		4106
2586	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
2587	};	4108	};
2588	}	4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
2589	}	4120	}
2590		4121
2591	{	4122	{
		4123	# configure IO::AIO
		4124
2592	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
2593
2594	undef $Coro::AIO::WATCHER;
2595	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
2596	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
2597	reentrant => 0,
2598	data => WF_AUTOCANCEL,
2599	fd => IO::AIO::poll_fileno,
2600	poll => 'r',
2601	prio => 6,
2602	cb => \&IO::AIO::poll_cb,
2603	);
2604	}	4128	}
		4129
		4130	my $_log_backtrace;
		4131
		4132	sub _log_backtrace {
		4133	my ($msg, @addr) = @_;
		4134
		4135	$msg =~ s/\n//;
		4136
		4137	# limit the # of concurrent backtraces
		4138	if ($_log_backtrace < 2) {
		4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
		4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
		4144	my @bt = fork_call {
		4145	@addr = map { sprintf "%x", $_ } @addr;
		4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4148	or die "addr2line: $!";
		4149
		4150	my @funcs;
		4151	my @res = <$fh>;
		4152	chomp for @res;
		4153	while (@res) {
		4154	my ($func, $line) = splice @res, 0, 2, ();
		4155	push @funcs, "[$func] $line";
		4156	}
		4157
		4158	@funcs
		4159	};
		4160
		4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4163	LOG llevInfo, "[ABT] $_\n" for @bt;
		4164	--$_log_backtrace;
		4165	};
		4166	} else {
		4167	LOG llevInfo, "[ABT] $msg\n";
		4168	LOG llevInfo, "[ABT] [suppressed]\n";
		4169	}
		4170	}
		4171
		4172	# load additional modules
		4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
2605		4175
2606	END { cf::emergency_save }	4176	END { cf::emergency_save }
2607		4177
2608	1	4178	1
2609		4179

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