ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.216 by root, Thu Feb 15 14:30:21 2007 UTC vs.
Revision 1.535 by root, Thu Apr 29 08:21:28 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
20	use BDB ();	56	use BDB ();
21	use Data::Dumper;	57	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	58	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
26	use Time::HiRes;	61	use Time::HiRes;
27	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
28		64
		65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		77
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	121	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
61		130
62	our %CFG;	131	our %CFG;
63		132
64	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
66		136
67	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		140
76	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
79	binmode STDOUT;	154	binmode STDOUT;
80	binmode STDERR;	155	binmode STDERR;
81		156
82	# read virtual server time, if available	157	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
87	}	162	}
88		163
89	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	165
91	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		168
96	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
97		170
98	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		187
100	#############################################################################	188	#############################################################################
101		189
102	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
103		191
…		…
110	=item $cf::RUNTIME	198	=item $cf::RUNTIME
111		199
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	201	every server tick.
114		202
115	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		206
117	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
119		211
120	=item $cf::NOW	212	=item $cf::NOW
121		213
122	The time of the last (current) server tick.	214	The time of the last (current) server tick.
123		215
124	=item $cf::TICK	216	=item $cf::TICK
125		217
126	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
127		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
128	=item %cf::CFG	230	=item %cf::CFG
129		231
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	233	from wherever your confdir points to.
132		234
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		236
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
139		252
140	=back	253	=back
141		254
142	=cut	255	=cut
143		256
144	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	264	my $msg = join "", @_;
147	utf8::encode $msg;
148		265
149	$msg .= "\n"	266	$msg .= "\n"
150	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
151		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
152	LOG llevError, $msg;	271	LOG llevWarn, $msg;
153	};	272	};
154	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
155		287
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		295
163	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	297	# within the Safe compartment.
165	for my $pkg (qw(	298	for my $pkg (qw(
166	cf::global cf::attachable	299	cf::global cf::attachable
167	cf::object cf::object::player	300	cf::object cf::object::player
168	cf::client cf::player	301	cf::client cf::player
169	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
170	cf::map cf::party cf::region	304	cf::party cf::region
171	)) {	305	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	307	}
175		308
176	$Event::DIED = sub {	309	$EV::DIED = sub {
177	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
178	};	311	};
		312
		313	#############################################################################
179		314
180	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
181		316
182	=over 4	317	=over 4
183		318
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	338	$d
204	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
205	}	340	}
206		341
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
210		343
211	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
212		345
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
221		347
222	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
223		349
224	=cut	350	=cut
225		351
226	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
228	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
229	}	369	}
230		370
231	=item cf::lock_wait $string	371	=item cf::lock_wait $string
232		372
233	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
234		374
235	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
236		376
237	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
240	returned.	380	returned.
241		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
242	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
244		387
245	=cut	388	=item $locked = cf::lock_active $string
246		389
247	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
248		395
249	sub lock_wait($) {	396	sub lock_wait($) {
250	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	398	}
258		399
259	sub lock_acquire($) {	400	sub lock_acquire($) {
260	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
261		403
262	# wait, to be sure we are not locked	404	sub lock_active($) {
263	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	406	}
272		407
273	sub freeze_mainloop {	408	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
275		410
276	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
278	};	478	}
279	$TICK_WATCHER->stop;	479	};
280	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
281	}	494	}
282		495
283	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
284		497
285	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		503
291	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
292		505
293	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
294		507
295	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
298		512
299	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
302	fast or be very important.	516	fast or be very important.
…		…
304	=cut	518	=cut
305		519
306	sub sync_job(&) {	520	sub sync_job(&) {
307	my ($job) = @_;	521	my ($job) = @_;
308		522
309	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
310	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
312		528
313	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	530
315	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
316		532
317	my $busy = 1;	533	my $busy = 1;
318	my @res;	534	my @res;
319		535
320	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	538	@res = eval { $job->() };
322	warn $@ if $@;	539	error $@ if $@;
323	undef $busy;	540	undef $busy;
324	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
325		542
326	while ($busy) {	543	while ($busy) {
327	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
328	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
329		554
330	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
331	} else {	556	} else {
332	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
333		558
…		…
353	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
354		579
355	$coro	580	$coro
356	}	581	}
357		582
358	sub write_runtime {	583	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		584
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
362	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
363		589
364	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		591
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
369	and return;	593	my ($cb, @args) = @_;
370		594
371	# always fsync - this file is important	595	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	596	# otherwise perl prematurely frees the stuff :/
373	and return;	597	# TODO: investigate and fix (likely this will be rather laborious)
374		598
375	close $fh	599	my @res = Coro::Util::fork_eval {
376	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
377		603
378	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
379	and return;	605	}
380		606
		607	sub objinfo {
381	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	783	}
383		784
384	=back	785	=back
385		786
386	=cut	787	=cut
387		788
388	#############################################################################	789	#############################################################################
389		790
390	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
391		792
392	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
395		796
396	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	799	Deliantra).
399		800
400	=over 4	801	=over 4
401		802
402	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
403		804
…		…
447	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
448		849
449	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
451		852
452	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
454		855
455	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
456		857
457	=over 4	858	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
567		968
568	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		973
573	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	975	my $pkg = shift @arg;
575		976
576	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
581		982
582	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		985
585	} elsif (ref $type) {	986	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
587		988
588	} else {	989	} else {
589	shift @arg;	990	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
591	}	992	}
592	}	993	}
593	}	994	}
594		995
595	sub _object_attach {	996	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
606	}	1007	}
607		1008
608	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
609	} else {	1010	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1012	}
612		1013
613	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
614	}	1015	}
615		1016
…		…
617	if (ref $_[0]) {	1018	if (ref $_[0]) {
618	_object_attach @_;	1019	_object_attach @_;
619	} else {	1020	} else {
620	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
621	}	1022	}
		1023	_recalc_want;
622	};	1024	};
623		1025
624	# all those should be optimised	1026	# all those should be optimised
625	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1032	reattach ($obj);
631	} else {	1033	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
633	}	1035	}
		1036	_recalc_want;
634	};	1037	};
635		1038
636	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
638		1041
…		…
653	";	1056	";
654	die if $@;	1057	die if $@;
655	}	1058	}
656		1059
657	our $override;	1060	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1062
660	sub override {	1063	sub override {
661	$override = 1;	1064	$override = 1;
662	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
663	}	1066	}
664		1067
665	sub do_invoke {	1068	sub do_invoke {
666	my $event = shift;	1069	my $event = shift;
667	my $callbacks = shift;	1070	my $callbacks = shift;
668		1071
669	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
670		1073
671	local $override;	1074	local $override;
672		1075
673	for (@$callbacks) {	1076	for (@$callbacks) {
674	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
675		1078
676	if ($@) {	1079	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1081	override;
680	}	1082	}
681		1083
682	return 1 if $override;	1084	return 1 if $override;
683	}	1085	}
684		1086
685	0	1087	0
686	}	1088	}
687		1089
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1091
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1093
692	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
693		1095
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1099
698	=back	1100	=back
699		1101
700	=cut	1102	=cut
701		1103
702	#############################################################################	1104	#############################################################################
703	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
704		1148
705	sub reattach {	1149	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1151	my ($obj) = @_;
708		1152
		1153	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1155
711	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
712		1157
713	@$registry = ();	1158	@$registry = ();
714		1159
…		…
719	for (@$attach) {	1164	for (@$attach) {
720	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
722	}	1167	}
723	} else {	1168	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1170	}
726	}	1171	}
727	}	1172	}
728		1173
729	cf::attachable->attach (	1174	cf::attachable->attach (
730	prio => -1000000,	1175	prio => -1000000,
731	on_instantiate => sub {	1176	on_instantiate => sub {
732	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
733		1178
734	$data = from_json $data;	1179	$data = decode_json $data;
735		1180
736	for (@$data) {	1181	for (@$data) {
737	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
738		1183
739	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1200	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
757		1202
758	sync_job {	1203	sync_job {
759	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
762		1209
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
767	close $fh;	1217	aio_close $fh;
768		1218
769	if (@$objs) {	1219	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
775	close $fh;	1228	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
777	}	1230	}
778	} else {	1231	} else {
779	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
780	}	1233	}
781		1234
782	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1239	} else {
784	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
785	}	1241	}
786	} else {	1242	} else {
787	aio_unlink $filename;	1243	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
789	}	1245	}
790	}	1246	};
791	}	1247	}
792		1248
793	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
795		1251
…		…
807	or return;	1263	or return;
808		1264
809	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
811	or return;	1267	or return;
		1268
812	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
813	}	1271	}
814		1272
		1273	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
817	return ($data, $av);	1278	($data, $av)
818	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
819		1286
820	#############################################################################	1287	#############################################################################
821	# command handling &c	1288	# command handling &c
822		1289
823	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1304	}
838		1305
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1307
841	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
842		1313
843	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
844	called.	1315	called.
845		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
846	=cut	1328	=cut
847		1329
848	sub register_extcmd {	1330	sub register_extcmd {
849	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
850		1332
851	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
852	}	1334	}
853		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
854	cf::player->attach (	1344	cf::player->attach (
855	on_command => sub {	1345	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
857		1347
858	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
859	or return;	1349	or return;
860		1350
…		…
865	cf::override;	1355	cf::override;
866	},	1356	},
867	on_extcmd => sub {	1357	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
869		1359
870	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1361
872	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
878	} else {	1377	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1379	}
881		1380
882	cf::override;	1381	cf::override;
883	},	1382	},
884	);	1383	);
885		1384
		1385	# "readahead" all extensions
886	sub load_extension {	1386	sub cache_extensions {
887	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
888		1388
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1391	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	}	1392	}
914	die $@;
915	}	1393	};
916		1394
917	push @EXTS, $pkg;	1395	$grp
918	}	1396	}
919		1397
920	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
921	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1405	next unless -r $path;
923	eval {	1406
924	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
925	1	1470	}
926	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
927	}	1481	};
928	}	1482	}
929		1483
930	#############################################################################	1484	#############################################################################
931		1485
		1486	=back
		1487
932	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
933		1489
934	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
935		1491
936	=cut	1492	=cut
937		1493
938	package cf::player;	1494	package cf::player;
939		1495
…		…
941		1497
942	=head3 cf::player	1498	=head3 cf::player
943		1499
944	=over 4	1500	=over 4
945		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
946	=item cf::player::find $login	1516	=item cf::player::find $login
947		1517
948	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
949		1519
950	=cut	1520	=cut
951		1521
952	sub playerdir($) {	1522	sub playerdir($) {
953	cf::localdir	1523	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1525	}
959		1526
960	sub path($) {	1527	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1529
963	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
964	}	1531	}
965		1532
966	sub find_active($) {	1533	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
971		1538
972	sub exists($) {	1539	sub exists($) {
973	my ($login) = @_;	1540	my ($login) = @_;
974		1541
975	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
977	}	1544	}
978		1545
979	sub find($) {	1546	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1548	my $login = $_[0];
982		1549
983	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
984		1551
985	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
987	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
989	}	1569	}
990	}	1570	}
991	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
992		1585
993	sub save($) {	1586	sub save($) {
994	my ($pl) = @_;	1587	my ($pl) = @_;
995		1588
996	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1002		1595
1003	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1005		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1006	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1007	Coro::cede;	1605	cf::cede_to_tick;
1008	}	1606	}
1009		1607
1010	sub new($) {	1608	sub new($) {
1011	my ($login) = @_;	1609	my ($login) = @_;
1012		1610
…		…
1018	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1019		1617
1020	$self	1618	$self
1021	}	1619	}
1022		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1023	=item $pl->quit_character	1631	=item $pl->quit_character
1024		1632
1025	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1027		1635
1028	=cut	1636	=cut
1029		1637
1030	sub quit_character {	1638	sub quit_character {
1031	my ($pl) = @_;	1639	my ($pl) = @_;
1032		1640
		1641	my $name = $pl->ob->name;
		1642
1033	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1645
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1040		1651
1041	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1656	$pl->destroy;
		1657
		1658	my $prefix = qr<^~\Q$name\E/>;
		1659
		1660	# nuke player maps
		1661	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1662
1046	IO::AIO::aio_rmtree $temp;	1663	IO::AIO::aio_rmtree $temp;
		1664	}
		1665
		1666	=item $pl->kick
		1667
		1668	Kicks a player out of the game. This destroys the connection.
		1669
		1670	=cut
		1671
		1672	sub kick {
		1673	my ($pl, $kicker) = @_;
		1674
		1675	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1676	$pl->killer ("kicked");
		1677	$pl->ns->destroy;
1047	}	1678	}
1048		1679
1049	=item cf::player::list_logins	1680	=item cf::player::list_logins
1050		1681
1051	Returns am arrayref of all valid playernames in the system, can take a	1682	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1053		1684
1054	=cut	1685	=cut
1055		1686
1056	sub list_logins {	1687	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1689	or return [];
1059		1690
1060	my @logins;	1691	my @logins;
1061		1692
1062	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1066		1703
1067	utf8::decode $login;	1704	utf8::decode $login;
1068	push @logins, $login;	1705	push @logins, $login;
1069	}	1706	}
1070		1707
1071	\@logins	1708	\@logins
1072	}	1709	}
1073		1710
1074	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1075		1714
1076	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1077	player. May block.	1716	player. May block.
1078		1717
1079	=cut	1718	=cut
…		…
1097	}	1736	}
1098		1737
1099	\@paths	1738	\@paths
1100	}	1739	}
1101		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1103		1746
1104	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1105		1748
1106	=cut	1749	=cut
1107		1750
1108	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1110		1753
1111	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1755	}
1115		1756
1116	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1117		1799
1118	=back	1800	=back
1119
1120		1801
1121	=head3 cf::map	1802	=head3 cf::map
1122		1803
1123	=over 4	1804	=over 4
1124		1805
…		…
1136	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1138		1819
1139	sub generate_random_map {	1820	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1141	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1826	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1171		1855
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1857	}
1174		1858
1175	# also paths starting with '/'	1859	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1861
1178	sub thawer_merge {	1862	sub thawer_merge {
1179	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1180		1864
1181	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1182	local $self->{path};	1866	local $self->{path};
1183	local $self->{load_path};	1867	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1868
1187	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1188	}	1870	}
1189		1871
1190	sub normalise {	1872	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1238	return $self;	1920	return $self;
1239	}	1921	}
1240	}	1922	}
1241		1923
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1925	()
1244	}	1926	}
1245		1927
1246	sub init {	1928	sub init {
1247	my ($self) = @_;	1929	my ($self) = @_;
…		…
1262		1944
1263	# the original (read-only) location	1945	# the original (read-only) location
1264	sub load_path {	1946	sub load_path {
1265	my ($self) = @_;	1947	my ($self) = @_;
1266		1948
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1268	}	1950	}
1269		1951
1270	# the temporary/swap location	1952	# the temporary/swap location
1271	sub save_path {	1953	sub save_path {
1272	my ($self) = @_;	1954	my ($self) = @_;
1273		1955
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1276	}	1958	}
1277		1959
1278	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1279	sub uniq_path {	1961	sub uniq_path {
1280	my ($self) = @_;	1962	my ($self) = @_;
1281		1963
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1284	}	1966	}
1285		1967
1286	# and all this just because we cannot iterate over	1968	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	1969	my ($self) = @_;
1290		1970
1291	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1293	}	1974	}
1294		1975
1295	sub unlink_save {	1976	sub unlink_save {
1296	my ($self) = @_;	1977	my ($self) = @_;
1297		1978
…		…
1302		1983
1303	sub load_header_from($) {	1984	sub load_header_from($) {
1304	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1305		1986
1306	utf8::encode $path;	1987	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1312		1996
1313	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1314		1998
1315	1	1999	1
1316	}	2000	}
…		…
1355	$self->load_header_orig	2039	$self->load_header_orig
1356	or return;	2040	or return;
1357	$self->prepare_orig;	2041	$self->prepare_orig;
1358	}	2042	}
1359		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
1360	1	2050	1
1361	}	2051	}
1362		2052
1363	sub find;	2053	sub find;
1364	sub find {	2054	sub find {
1365	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1366		2056
1367	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1368		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1370		2061
1371	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";
1373	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1374	or return;	2064	or return;
1375		2065
1376	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1377		2067
1378	$map->load_header	2068	$map->load_header
1379	or return;	2069	or return;
1380		2070
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1384	$map->reset;	2076	$map->reset;
1385	undef $guard;
1386	return find $path;	2077	return find $path;
1387	}	2078	}
1388		2079
1389	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1390	}	2081	}
1391	}	2082	}
1392		2083
1393	sub pre_load { }	2084	sub pre_load { }
1394	sub post_load { }	2085	#sub post_load { } # XS
1395		2086
1396	sub load {	2087	sub load {
1397	my ($self) = @_;	2088	my ($self) = @_;
1398		2089
1399	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1400		2091
1401	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1403		2096
		2097	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		2099
1406	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1407		2101
1408	$self->alloc;	2102	$self->alloc;
1409		2103
1410	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1411		2106
1412	$self->_load_objects ($self->{load_path}, 1)	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1413	or return;	2110	or return;
1414		2111
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1416	if delete $self->{load_original};	2113	if delete $self->{load_original};
1417		2114
1418	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2116	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2119	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1423	}	2123	}
1424	}	2124	}
1425		2125
1426	Coro::cede;	2126	$f->resolve_delayed_derefs;
1427		2127
		2128	cf::cede_to_tick;
1428	# now do the right thing for maps	2129	# now do the right thing for maps
1429	$self->link_multipart_objects;	2130	$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)	2131	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2132	unless $self->difficulty;
1439	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1440	$self->activate;	2140	$self->activate;
		2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1441	}	2147	}
1442		2148
1443	$self->post_load;	2149	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2150	}
1447		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1448	sub customise_for {	2155	sub customise_for {
1449	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1450		2157
1451	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2159	if $self->per_player;
1453		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1454	$self	2164	$self
1455	}	2165	}
1456		2166
1457	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	2168	sub load_neighbours {
1459	my ($map) = @_;	2169	my ($map) = @_;
1460		2170
1461	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1462		2172
1463	for (0 .. 3) {	2173	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1465	or next;	2175	or next;
1466	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1467	or next;	2177	or next;
1468	$neigh->load;	2178	$neigh->load;
1469		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2184	}
1473		2185
1474	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1476	or next;	2189	or next;
1477	$neigh->load;	2190	$neigh->load;
1478	}	2191	}
1479	}	2192	}
1480		2193
1481	sub find_sync {	2194	sub find_sync {
1482	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1483		2196
1484	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1485	}	2201	}
1486		2202
1487	sub do_load_sync {	2203	sub do_load_sync {
1488	my ($map) = @_;	2204	my ($map) = @_;
1489		2205
1490	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1491	}	2210	}
1492		2211
1493	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1495		2214
1496	sub find_async {	2215	sub find_async {
1497	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1498		2217
1499	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1500		2219
1501	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1503	}	2222	}
1504		2223
1505	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1506	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1507	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2231	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2232	$map->load if $v;
		2233	}
1512		2234
1513	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1514	}	2236	}
1515	}	2237	}
1516	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1517	};	2239	};
1518	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1519		2241
1520	()	2242	()
1521	}	2243	}
1522		2244
		2245	# common code, used by both ->save and ->swapout
1523	sub save {	2246	sub _save {
1524	my ($self) = @_;	2247	my ($self) = @_;
1525
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
1527		2248
1528	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1529		2250
1530	return unless $self->dirty;	2251	return unless $self->dirty;
1531		2252
…		…
1537	return if $self->{deny_save};	2258	return if $self->{deny_save};
1538		2259
1539	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1540		2261
1541	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1543	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1544		2268
1545	if ($uniq) {	2269	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2272	} else {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1550	}	2274	}
1551	}	2275	}
1552		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1553	sub swap_out {	2285	sub swap_out {
1554	my ($self) = @_;	2286	my ($self) = @_;
1555		2287
1556	# save first because save cedes
1557	$self->save;
1558
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1561	return if $self->players;	2292	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};
1564		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1565	$self->clear;	2303	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2304	}
1568		2305
1569	sub reset_at {	2306	sub reset_at {
1570	my ($self) = @_;	2307	my ($self) = @_;
1571		2308
1572	# TODO: safety, remove and allow resettable per-player maps	2309	# 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};	2310	return 1e99 if $self->{deny_reset};
1575		2311
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2314
…		…
1589	my ($self) = @_;	2325	my ($self) = @_;
1590		2326
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2328
1593	return if $self->players;	2329	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2330
1596	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1597		2332
1598	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1599		2334
1600	# need to save uniques path	2335	# need to save uniques path
1601	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2340	if $uniq;
1606	}	2341	}
1607		2342
1608	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1609		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2347	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2348
1614	$self->unlink_save;	2349	$self->unlink_save;
1615	$self->destroy;	2350	$self->destroy;
1616	}	2351	}
1617		2352
1618	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1619		2354
1620	sub nuke {	2355	sub nuke {
1621	my ($self) = @_;	2356	my ($self) = @_;
1622		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1623	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1624		2362
1625	$self->unlink_save;	2363	$self->unlink_save;
1626		2364
1627	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1628	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2370
1633	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1634		2373
1635	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1636	}	2411	}
1637		2412
1638	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1639		2414
1640	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2416	instantiated unique items. May block.
1642		2417
1643	=cut	2418	=cut
1644		2419
1645	sub unique_maps() {	2420	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1647	or return;	2422	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2423	utf8::decode $_;
1653	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2426	? ()
1656	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2429	]
1658
1659	\@paths
1660	}	2430	}
1661		2431
1662	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1663		2463
1664	=back	2464	=back
1665		2465
1666	=head3 cf::object	2466	=head3 cf::object
1667		2467
…		…
1671		2471
1672	=over 4	2472	=over 4
1673		2473
1674	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1675		2475
1676	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1677		2478
1678	=cut	2479	=cut
1679		2480
1680	sub inv_recursive_;	2481	sub inv_recursive_;
1681	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1684		2485
1685	sub inv_recursive {	2486	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1687	}	2488	}
1688		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1689	package cf;	2518	package cf;
1690		2519
1691	=back	2520	=back
1692		2521
1693	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1699	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1700	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1701	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1702		2531
1703	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1704		2547
1705	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1706	# with dialog boxes.	2549	# with dialog boxes.
1707	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1708	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1710		2553
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2555
1713	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1715	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1718	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1719	}	2581	}
1720		2582
1721	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1722		2584
1723	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1736		2598
1737	=item $player_object->enter_link	2599	=item $player_object->enter_link
1738		2600
1739	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1740		2602
1741	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1742	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1743		2607
1744	Will never block.	2608	Will never block.
1745		2609
1746	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1747		2611
…		…
1767	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1768	my ($self) = @_;	2632	my ($self) = @_;
1769		2633
1770	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1771		2635
		2636	++$self->{_link_recursion};
		2637
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2639
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1776		2642
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1778	}	2644	}
1779		2645
1780	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1782		2650
1783	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1784		2652
1785	unless ($map) {	2653	unless ($map) {
1786	# restore original map position	2654	# restore original map position
…		…
1797	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1798	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1799		2667
1800	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1803		2671
1804	$map->load;	2672	$map->load;
1805	$map->load_diag;	2673	$map->load_neighbours;
1806		2674
1807	return unless $self->contr->active;	2675	return unless $self->contr->active;
1808	$self->activate_recursive;
1809		2676
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1812	}	2679	# entering was successful
1813		2680	delete $self->{_link_recursion};
1814	cf::player->attach (	2681	# only activate afterwards, to support waiting in hooks
1815	on_logout => sub {	2682	$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	},	2683	}
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2684
1828	# try to abort aborted map switching on player login :)	2685	}
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		2686
1846	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1847		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1848	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1849		2701
1850	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2713
1853	$self->enter_link;	2714	$self->enter_link;
1854		2715
1855	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1856	my $map = eval {	2738	my $map = eval {
1857	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1859	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2754	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1864	})->prio (1);	2762	})->prio (1);
1865	}	2763	}
1866		2764
1867	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1868		2766
…		…
1888	}	2786	}
1889		2787
1890	sub prepare_random_map {	2788	sub prepare_random_map {
1891	my ($exit) = @_;	2789	my ($exit) = @_;
1892		2790
1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1894
1895	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1896	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1897	# that depends on the exit object	2793	# that depends on the exit object
1898		2794
1899	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1901	if ($exit->map) {	2797	if ($exit->map) {
1902	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1903	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1904	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1905	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1906	}	2804	}
1907		2805
1908	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1909		2807
1910	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1913		2811
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2814	undef $fh;
1917	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1918		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1919	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1920	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1921	}	2823	}
1922	}	2824	}
1923		2825
1924	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1925	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
1926		2828
1927	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1928		2830
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;	2831	$self->enter_link;
1939		2832
1940	(async {	2833	(async {
1941	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1942	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
1943	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
1944		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1945	1;	2857	1
1946	}) {	2858	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1948	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2863
1952	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1953	$self->leave_link;	2865	$self->leave_link;
1954	}	2866	}
1955	})->prio (1);	2867	})->prio (1);
1956	}	2868	}
1957		2869
…		…
1968		2880
1969	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1971		2883
1972	utf8::encode $text;	2884	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2886	}
1975		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
1976		3109
1977	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1978		3111
1979	Queues a query to the client, calling the given callback with	3112	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>,	3113	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>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		3115
1983	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	3117	become reliable at some point in the future.
1985		3118
1986	=cut	3119	=cut
1987		3120
1988	sub cf::client::query {	3121	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	3130	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		3132
2000	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2002	}	3137	}
2003		3138
2004	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2005	on_reply => sub {	3145	on_reply => sub {
2006	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2007		3147
2008	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2009	# get handled first	3149	# get handled first
…		…
2021	} else {	3161	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	3163	}
2024	}	3164	}
2025	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2026	);	3192	);
2027		3193
2028	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2029		3195
2030	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046		3212
2047	$coro	3213	$coro
2048	}	3214	}
2049		3215
2050	cf::client->attach (	3216	cf::client->attach (
2051	on_destroy => sub {	3217	on_client_destroy => sub {
2052	my ($ns) = @_;	3218	my ($ns) = @_;
2053		3219
2054	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2055	},	3221	},
2056	);	3222	);
…		…
2071	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2073		3239
2074	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2075		3241
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2077		3247
2078	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2079		3249
2080	=pod	3250	=pod
2081		3251
2082	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2083		3253
2084	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2085	cf::object::player player	3259	cf::object::player
2086	cf::player peaceful	3260	player
2087	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2088		3267
2089	=cut	3268	=cut
2090		3269
2091	for (	3270	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2093	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2095	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2096	) {	3277	) {
2097	no strict 'refs';	3278	no strict 'refs';
2098	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2099	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2117		3298
2118	my $qcode = $code;	3299	my $qcode = $code;
2119	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2120	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2121		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2122	local $_;	3306	local $_;
2123	local @safe::cf::_safe_eval_args = values %vars;
2124		3307
2125	my $eval =	3308	my $eval =
2126	"do {\n"	3309	"do {\n"
2127	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2128	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2129	. $code	3312	. $code
2130	. "\n}"	3313	. "\n}"
2131	;	3314	;
2132		3315
		3316	if ($CFG{safe_eval}) {
2133	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2134	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2135	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2136		3325
2137	if ($@) {	3326	if ($@) {
2138	warn "$@";	3327	warn "$@",
2139	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2140	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2141	}	3330	}
2142		3331
2143	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2144	}	3333	}
2145		3334
…		…
2159	=cut	3348	=cut
2160		3349
2161	sub register_script_function {	3350	sub register_script_function {
2162	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2163		3352
2164	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2165	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2166	}	3355	}
2167		3356
2168	=back	3357	=back
2169		3358
2170	=cut	3359	=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		3360
2244	#############################################################################	3361	#############################################################################
2245	# the server's init and main functions	3362	# the server's init and main functions
2246		3363
		3364	sub load_facedata($) {
		3365	my ($path) = @_;
		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
		3373	trace "loading facedata from $path\n";
		3374
		3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
		3378
		3379	$facedata = Coro::Storable::thaw $facedata;
		3380
		3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
		3393	{
		3394	my $faces = $facedata->{faceinfo};
		3395
		3396	while (my ($face, $info) = each %$faces) {
		3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
		3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
		3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3403
		3404	cf::cede_to_tick;
		3405	}
		3406
		3407	while (my ($face, $info) = each %$faces) {
		3408	next unless $info->{smooth};
		3409
		3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
		3454	1
		3455	}
		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
2247	sub load_resources {	3465	sub load_resource_file($) {
2248	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3481	or die "unable to load regions file\n";
2250	}
2251		3482
2252	sub cfg_load {	3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
		3527	sub reload_resources {
		3528	trace "reloading resource files...\n";
		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
		3533	reload_regions;
		3534	reload_treasures;
		3535
		3536	trace "finished reloading resource files\n";
		3537	}
		3538
		3539	sub reload_config {
		3540	trace "reloading config file...\n";
		3541
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3543	or return;
2255		3544
2256	local $/;	3545	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2258		3547
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2260		3549
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2263		3552
2264	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2267	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2268	};	3557	};
2269	warn $@ if $@;	3558	warn $@ if $@;
2270	}	3559	}
2271	}
2272		3560
2273	sub init {	3561	trace "finished reloading resource files\n";
2274	load_resources;	3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2275	}	3590	}
2276		3591
2277	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2278	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3605	(async {
2282	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2284	};	3609	};
2285		3610
2286	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2287	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2288	load_extensions;	3634	load_extensions;
2289		3635
2290	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2291	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2292	}	3649	}
2293		3650
2294	#############################################################################	3651	#############################################################################
2295	# initialisation and cleanup	3652	# initialisation and cleanup
2296		3653
2297	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2298	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3658	$SIGWATCHER{$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";	3659	cf::cleanup "SIG$signal";
2307	},
2308	);	3660	};
		3661	}
		3662	}
		3663
		3664	sub write_runtime_sync {
		3665	my $t0 = AE::time;
		3666
		3667	# first touch the runtime file to show we are still running:
		3668	# the fsync below can take a very very long time.
		3669
		3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3671
		3672	my $guard = cf::lock_acquire "write_runtime";
		3673
		3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3675	or return;
		3676
		3677	my $value = $cf::RUNTIME + 90 + 10;
		3678	# 10 is the runtime save interval, for a monotonic clock
		3679	# 60 allows for the watchdog to kill the server.
		3680
		3681	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3682	and return;
		3683
		3684	# always fsync - this file is important
		3685	aio_fsync $fh
		3686	and return;
		3687
		3688	# touch it again to show we are up-to-date
		3689	aio_utime $fh, undef, undef;
		3690
		3691	close $fh
		3692	or return;
		3693
		3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3695	and return;
		3696
		3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3698
2309	}	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2310	}	3750	}
2311		3751
2312	sub emergency_save() {	3752	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2314		3754
2315	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2316		3761
2317	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2318	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2319	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2320	# and maps saved/destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2322	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3773	$pl->save;
2326	}	3774	}
2327	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2328		3776
2329	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2330	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2331	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2332	$map->valid or next;	3782	$map->valid or next;
2333	$map->save;	3783	$map->save;
2334	}	3784	}
2335	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
2336		3786
2337	warn "begin emergency database checkpoint\n";	3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	3790	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync()\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync()\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2340	};	3815	};
2341		3816
2342	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2343	}	3818	}
2344		3819
2345	sub post_cleanup {	3820	sub post_cleanup {
2346	my ($make_core) = @_;	3821	my ($make_core) = @_;
2347		3822
		3823	IO::AIO::flush;
		3824
		3825	IO::AIO::flush;
		3826
2348	warn Carp::longmess "post_cleanup backtrace"	3827	error Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3828	if $make_core;
2350	}
2351		3829
		3830	my $fh = pidfile;
		3831	unlink $PIDFILE if <$fh> == $$;
		3832	}
		3833
		3834	# a safer delete_package, copied from Symbol
		3835	sub clear_package($) {
		3836	my $pkg = shift;
		3837
		3838	# expand to full symbol table name if needed
		3839	unless ($pkg =~ /^main::.*::$/) {
		3840	$pkg = "main$pkg" if $pkg =~ /^::/;
		3841	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3842	$pkg .= '::' unless $pkg =~ /::$/;
		3843	}
		3844
		3845	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3846	my $stem_symtab = *{$stem}{HASH};
		3847
		3848	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3849	or return;
		3850
		3851	# clear all symbols
		3852	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3853	for my $name (keys %$leaf_symtab) {
		3854	_gv_clear *{"$pkg$name"};
		3855	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3856	}
		3857	}
		3858
2352	sub reload() {	3859	sub do_reload_perl() {
2353	# can/must only be called in main	3860	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3861	if (in_main) {
2355	warn "can only reload from main coroutine";	3862	error "can only reload from main coroutine";
2356	return;	3863	return;
2357	}	3864	}
2358		3865
		3866	return if $RELOAD++;
		3867
		3868	my $t1 = AE::time;
		3869
		3870	while ($RELOAD) {
2359	warn "reloading...";	3871	info "reloading...";
2360		3872
2361	warn "entering sync_job";	3873	trace "entering sync_job";
2362		3874
2363	cf::sync_job {	3875	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark
2365	cf::emergency_save;	3876	cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark
2367		3877
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";	3878	trace "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3879	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3880	%EXT_CORO = ();
2390		3881
2391	warn "removing commands";	3882	trace "removing commands";
2392	%COMMAND = ();	3883	%COMMAND = ();
2393		3884
2394	warn "removing ext commands";	3885	trace "removing ext/exti commands";
2395	%EXTCMD = ();	3886	%EXTCMD = ();
		3887	%EXTICMD = ();
2396		3888
2397	warn "unloading/nuking all extensions";	3889	trace "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3890	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3891	trace "... unloading $pkg";
2400		3892
2401	if (my $cb = $pkg->can ("unload")) {	3893	if (my $cb = $pkg->can ("unload")) {
2402	eval {	3894	eval {
2403	$cb->($pkg);	3895	$cb->($pkg);
2404	1	3896	1
2405	} or warn "$pkg unloaded, but with errors: $@";	3897	} or error "$pkg unloaded, but with errors: $@";
		3898	}
		3899
		3900	trace "... clearing $pkg";
		3901	clear_package $pkg;
2406	}	3902	}
2407		3903
2408	warn "... nuking $pkg";
2409	Symbol::delete_package $pkg;
2410	}
2411
2412	warn "unloading all perl modules loaded from $LIBDIR";	3904	trace "unloading all perl modules loaded from $LIBDIR";
2413	while (my ($k, $v) = each %INC) {	3905	while (my ($k, $v) = each %INC) {
2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3906	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2415		3907
2416	warn "... unloading $k";	3908	trace "... unloading $k";
2417	delete $INC{$k};	3909	delete $INC{$k};
2418		3910
2419	$k =~ s/\.pm$//;	3911	$k =~ s/\.pm$//;
2420	$k =~ s/\//::/g;	3912	$k =~ s/\//::/g;
2421		3913
2422	if (my $cb = $k->can ("unload_module")) {	3914	if (my $cb = $k->can ("unload_module")) {
2423	$cb->();	3915	$cb->();
		3916	}
		3917
		3918	clear_package $k;
2424	}	3919	}
2425		3920
2426	Symbol::delete_package $k;
2427	}
2428
2429	warn "getting rid of safe::, as good as possible";	3921	trace "getting rid of safe::, as good as possible";
2430	Symbol::delete_package "safe::$_"	3922	clear_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3923	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3924
2433	warn "unloading cf.pm \"a bit\"";	3925	trace "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3926	delete $INC{"cf.pm"};
		3927	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2435		3928
2436	# don't, removes xs symbols, too,	3929	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3930	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3931	#clear_package __PACKAGE__;
2439		3932
2440	warn "unload completed, starting to reload now";	3933	info "unload completed, starting to reload now";
2441		3934
2442	warn "reloading cf.pm";	3935	trace "reloading cf.pm";
2443	require cf;	3936	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3937	cf::_connect_to_perl_1;
2445		3938
2446	warn "loading config and database again";	3939	trace "loading config and database again";
2447	cf::cfg_load;	3940	cf::reload_config;
2448		3941
2449	warn "loading extensions";	3942	trace "loading extensions";
2450	cf::load_extensions;	3943	cf::load_extensions;
2451		3944
		3945	if ($REATTACH_ON_RELOAD) {
2452	warn "reattaching attachments to objects/players";	3946	trace "reattaching attachments to objects/players";
2453	_global_reattach;	3947	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3948	trace "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3949	reattach $_ for values %MAP;
		3950	trace "reattaching attachments to players";
		3951	reattach $_ for values %PLAYER;
		3952	}
2456		3953
2457	warn "loading reloadable resources";	3954	trace "running post_init jobs";
2458	load_resources;	3955	(pop @POST_INIT)->(1) while @POST_INIT;
2459		3956
2460	warn "leaving sync_job";	3957	trace "leaving sync_job";
2461		3958
2462	1	3959	1
2463	} or do {	3960	} or do {
2464	warn $@;	3961	error $@;
2465	warn "error while reloading, exiting.";	3962	cf::cleanup "error while reloading, exiting.";
2466	exit 1;	3963	};
		3964
		3965	info "reloaded";
		3966	--$RELOAD;
		3967	}
		3968
		3969	$t1 = AE::time - $t1;
		3970	info "reload completed in ${t1}s\n";
		3971	};
		3972
		3973	our $RELOAD_WATCHER; # used only during reload
		3974
		3975	sub reload_perl() {
		3976	# doing reload synchronously and two reloads happen back-to-back,
		3977	# coro crashes during coro_state_free->destroy here.
		3978
		3979	$RELOAD_WATCHER ||= cf::async {
		3980	Coro::AIO::aio_wait cache_extensions;
		3981
		3982	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3983	do_reload_perl;
		3984	undef $RELOAD_WATCHER;
		3985	};
2467	};	3986	};
2468		3987	}
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		3988
2474	register_command "reload" => sub {	3989	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3990	my ($who, $arg) = @_;
2476		3991
2477	if ($who->flag (FLAG_WIZ)) {	3992	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3993	$who->message ("reloading server.");
2479		3994	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3995	$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;	3996	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3997	};
2492	}	3998	}
2493	};	3999	};
2494		4000
2495	unshift @INC, $LIBDIR;	4001	unshift @INC, $LIBDIR;
2496		4002
2497	my $bug_warning = 0;	4003	my $bug_warning = 0;
2498		4004
2499	$TICK_WATCHER = Event->timer (	4005	our @WAIT_FOR_TICK;
2500	reentrant => 0,	4006	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	4007
2502	prio => 0,	4008	sub wait_for_tick {
2503	at => $NEXT_TICK || $TICK,	4009	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	4010
2505	cb => sub {	4011	my $signal = new Coro::Signal;
		4012	push @WAIT_FOR_TICK, $signal;
		4013	$signal->wait;
		4014	}
		4015
		4016	sub wait_for_tick_begin {
		4017	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4018
		4019	my $signal = new Coro::Signal;
		4020	push @WAIT_FOR_TICK_BEGIN, $signal;
		4021	$signal->wait;
		4022	}
		4023
		4024	sub tick {
2506	if ($Coro::current != $Coro::main) {	4025	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4026	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	4027	unless ++$bug_warning > 10;
2509	return;	4028	return;
2510	}	4029	}
2511		4030
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	4031	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		4032
		4033	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4034
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4035	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	4036	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	4037	Coro::async_pool {
		4038	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	4039	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	4040	or error "ERROR: unable to write runtime file: $!";
2523	};
2524	}	4041	};
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	},	4042	}
2539	);	4043
		4044	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4045	$sig->send;
		4046	}
		4047	while (my $sig = shift @WAIT_FOR_TICK) {
		4048	$sig->send;
		4049	}
		4050
		4051	$LOAD = ($NOW - $TICK_START) / $TICK;
		4052	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4053
		4054	if (0) {
		4055	if ($NEXT_TICK) {
		4056	my $jitter = $TICK_START - $NEXT_TICK;
		4057	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4058	debug "jitter $JITTER\n";#d#
		4059	}
		4060	}
		4061	}
2540		4062
2541	{	4063	{
2542	BDB::max_poll_time $TICK * 0.1;	4064	# configure BDB
2543	$BDB_POLL_WATCHER = Event->io (	4065
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;	4066	BDB::min_parallel 16;
2552		4067	BDB::max_poll_reqs $TICK * 0.1;
2553	BDB::set_sync_prepare {	4068	$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	$! = $status;
2564	},
2565	)
2566	};
2567		4069
2568	unless ($DB_ENV) {	4070	unless ($DB_ENV) {
2569	$DB_ENV = BDB::db_env_create;	4071	$DB_ENV = BDB::db_env_create;
		4072	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4073	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4074	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4075	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4076	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2570		4077
2571	cf::sync_job {	4078	cf::sync_job {
2572	eval {	4079	eval {
2573	BDB::db_env_open	4080	BDB::db_env_open
2574	$DB_ENV,	4081	$DB_ENV,
2575	$BDB_ENV_DIR,	4082	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4083	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4084	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	4085	0666;
2579		4086
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4087	cf::cleanup "db_env_open($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	};	4088	};
2585		4089
2586	cf::cleanup "db_env_open(db): $@" if $@;	4090	cf::cleanup "db_env_open(db): $@" if $@;
2587	};	4091	};
2588	}	4092	}
		4093
		4094	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4095	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4096	};
		4097	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4098	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4099	};
		4100	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4101	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4102	};
2589	}	4103	}
2590		4104
2591	{	4105	{
		4106	# configure IO::AIO
		4107
2592	IO::AIO::min_parallel 8;	4108	IO::AIO::min_parallel 8;
2593
2594	undef $Coro::AIO::WATCHER;
2595	IO::AIO::max_poll_time $TICK * 0.1;	4109	IO::AIO::max_poll_time $TICK * 0.1;
2596	$AIO_POLL_WATCHER = Event->io (	4110	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	}	4111	}
		4112
		4113	my $_log_backtrace;
		4114
		4115	sub _log_backtrace {
		4116	my ($msg, @addr) = @_;
		4117
		4118	$msg =~ s/\n//;
		4119
		4120	# limit the # of concurrent backtraces
		4121	if ($_log_backtrace < 2) {
		4122	++$_log_backtrace;
		4123	my $perl_bt = Carp::longmess $msg;
		4124	async {
		4125	$Coro::current->{desc} = "abt $msg";
		4126
		4127	my @bt = fork_call {
		4128	@addr = map { sprintf "%x", $_ } @addr;
		4129	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4130	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4131	or die "addr2line: $!";
		4132
		4133	my @funcs;
		4134	my @res = <$fh>;
		4135	chomp for @res;
		4136	while (@res) {
		4137	my ($func, $line) = splice @res, 0, 2, ();
		4138	push @funcs, "[$func] $line";
		4139	}
		4140
		4141	@funcs
		4142	};
		4143
		4144	LOG llevInfo, "[ABT] $perl_bt\n";
		4145	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4146	LOG llevInfo, "[ABT] $_\n" for @bt;
		4147	--$_log_backtrace;
		4148	};
		4149	} else {
		4150	LOG llevInfo, "[ABT] $msg\n";
		4151	LOG llevInfo, "[ABT] [suppressed]\n";
		4152	}
		4153	}
		4154
		4155	# load additional modules
		4156	require "cf/$_.pm" for @EXTRA_MODULES;
		4157	cf::_connect_to_perl_2;
2605		4158
2606	END { cf::emergency_save }	4159	END { cf::emergency_save }
2607		4160
2608	1	4161	1
2609		4162

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines