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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.222 by root, Tue Mar 6 03:06:00 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
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		80
40	our %COMMAND = ();	81	our %COMMAND = ();
41	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
42		83
43	our @EXTS = (); # list of extension package names	84	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
47		89
		90	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	91	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
50		94
51	our $TICK = MAX_TIME * 1e-6;	95	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	96	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	97	our $LIBDIR = "$DATADIR/ext";
		98	our $PODDIR = "$DATADIR/pod";
		99	our $MAPDIR = "$DATADIR/" . mapdir;
		100	our $LOCALDIR = localdir;
		101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		104	our $RANDOMDIR = "$LOCALDIR/random";
		105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
		116
		117	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	119	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
61		128
62	our %CFG;	129	our %CFG;
63		130
64	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
66		134
67	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	137	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		138
76	# used to convert map paths into valid unix filenames by replacing / by ∕	139	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		141
		142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
		145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
		151
79	binmode STDOUT;	152	binmode STDOUT;
80	binmode STDERR;	153	binmode STDERR;
81		154
82	# read virtual server time, if available	155	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	157	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
87	}	160	}
88		161
89	mkdir cf::localdir;	162	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	163
91	mkdir cf::localdir . "/" . cf::tmpdir;	164	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		166
96	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
97		168
98	sub cf::map::normalise;	169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		185
100	#############################################################################	186	#############################################################################
101		187
102	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
103		189
…		…
110	=item $cf::RUNTIME	196	=item $cf::RUNTIME
111		197
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	198	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	199	every server tick.
114		200
115	=item $cf::LIBDIR	201	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		202	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		203	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		204
117	The perl library directory, where extensions and cf-specific modules can	205	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	206	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		207	unique-items directory, player file directory, random maps directory and
		208	database environment.
119		209
120	=item $cf::NOW	210	=item $cf::NOW
121		211
122	The time of the last (current) server tick.	212	The time of the last (current) server tick.
123		213
124	=item $cf::TICK	214	=item $cf::TICK
125		215
126	The interval between server ticks, in seconds.	216	The interval between server ticks, in seconds.
127		217
		218	=item $cf::LOADAVG
		219
		220	The current CPU load on the server (alpha-smoothed), as a value between 0
		221	(none) and 1 (overloaded), indicating how much time is spent on processing
		222	objects per tick. Healthy values are < 0.5.
		223
		224	=item $cf::LOAD
		225
		226	The raw value load value from the last tick.
		227
128	=item %cf::CFG	228	=item %cf::CFG
129		229
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	231	from wherever your confdir points to.
132		232
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		234
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	235	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	236	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	237	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
139		250
140	=back	251	=back
141		252
142	=cut	253	=cut
143		254
144	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	262	my $msg = join "", @_;
147	utf8::encode $msg;
148		263
149	$msg .= "\n"	264	$msg .= "\n"
150	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
151		266
		267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		268
152	LOG llevError, $msg;	269	LOG llevWarn, $msg;
153	};	270	};
154	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
155		285
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	290	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		291	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	292	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		293
163	# we bless all objects into (empty) derived classes to force a method lookup	294	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	295	# within the Safe compartment.
165	for my $pkg (qw(	296	for my $pkg (qw(
166	cf::global cf::attachable	297	cf::global cf::attachable
167	cf::object cf::object::player	298	cf::object cf::object::player
168	cf::client cf::player	299	cf::client cf::player
169	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
170	cf::map cf::party cf::region	302	cf::party cf::region
171	)) {	303	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	305	}
175		306
176	$Event::DIED = sub {	307	$EV::DIED = sub {
177	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
178	};	309	};
		310
		311	#############################################################################
179		312
180	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
181		314
182	=over 4	315	=over 4
183		316
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	336	$d
204	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
205	}	338	}
206		339
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
210		341
211	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
212		343
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
221		345
222	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
223		347
224	=cut	348	=cut
225		349
226	sub to_json($) {	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	351
228	JSON::Syck::Dump $_[0]	352	sub encode_json($) { $json_coder->encode ($_[0]) }
		353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
229	}	367	}
230		368
231	=item cf::lock_wait $string	369	=item cf::lock_wait $string
232		370
233	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
234		372
235	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
236		374
237	Wait until the given lock is available and then acquires it and returns	375	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	376	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
240	returned.	378	returned.
241		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
242	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
244		385
245	=cut	386	=item $locked = cf::lock_active $string
246		387
247	our %LOCK;	388	Return true if the lock is currently active, i.e. somebody has locked it.
		389
		390	=cut
		391
		392	our $LOCKS = new Coro::SemaphoreSet;
248		393
249	sub lock_wait($) {	394	sub lock_wait($) {
250	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	396	}
258		397
259	sub lock_acquire($) {	398	sub lock_acquire($) {
260	my ($key) = @_;	399	$LOCKS->guard ($_[0])
		400	}
261		401
262	# wait, to be sure we are not locked	402	sub lock_active($) {
263	lock_wait $key;	403	$LOCKS->count ($_[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	}	404	}
272		405
273	sub freeze_mainloop {	406	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
275		408
276	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	410	}
		411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
278	};	476	}
279	$TICK_WATCHER->stop;	477	};
280	$guard	478
		479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
281	}	492	}
282		493
283	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
284		495
285	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		501
291	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
292		503
293	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
294		505
295	The design of crossfire+ requires that the main coro ($Coro::main) is	506	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	507	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		509	acceptable.
298		510
299	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	513	server will be frozen during this time, so the block should either finish
302	fast or be very important.	514	fast or be very important.
…		…
304	=cut	516	=cut
305		517
306	sub sync_job(&) {	518	sub sync_job(&) {
307	my ($job) = @_;	519	my ($job) = @_;
308		520
309	if ($Coro::current == $Coro::main) {	521	if (in_main) {
		522	my $time = AE::time;
		523
310	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
312		526
313	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	528
315	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
316		530
317	my $busy = 1;	531	my $busy = 1;
318	my @res;	532	my @res;
319		533
320	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	536	@res = eval { $job->() };
322	warn $@ if $@;	537	error $@ if $@;
323	undef $busy;	538	undef $busy;
324	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
325		540
326	while ($busy) {	541	while ($busy) {
327	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
328	}	546	}
		547	}
		548
		549	my $time = AE::time - $time;
		550
		551	$TICK_START += $time; # do not account sync jobs to server load
329		552
330	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
331	} else {	554	} else {
332	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
333		556
…		…
353	$EXT_CORO{$coro+0} = $coro;	576	$EXT_CORO{$coro+0} = $coro;
354		577
355	$coro	578	$coro
356	}	579	}
357		580
358	sub write_runtime {	581	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		582
361	my $runtime = cf::localdir . "/runtime";	583	Executes the given code block with the given arguments in a seperate
		584	process, returning the results. Everything must be serialisable with
		585	Coro::Storable. May, of course, block. Note that the executed sub may
		586	never block itself or use any form of event handling.
362		587
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	588	=cut
364	or return;
365		589
366	my $value = $cf::RUNTIME + 90 + 10;	590	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	591	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		592
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	593	# we seemingly have to make a local copy of the whole thing,
371	and return;	594	# otherwise perl prematurely frees the stuff :/
		595	# TODO: investigate and fix (likely this will be rather laborious)
372		596
373	# always fsync - this file is important	597	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	598	reset_signals;
375	and return;	599	&$cb
		600	}, @args;
376		601
377	close $fh	602	wantarray ? @res : $res[-1]
378	or return;	603	}
379		604
380	aio_rename "$runtime~", $runtime	605	sub objinfo {
381	and return;
382
383	1	606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
		641	}
		642
		643	=item $value = cf::db_get $family => $key
		644
		645	Returns a single value from the environment database.
		646
		647	=item cf::db_put $family => $key => $value
		648
		649	Stores the given C<$value> in the family. It can currently store binary
		650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
		657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
		678
		679	our $DB;
		680
		681	sub db_init {
		682	$DB ||= db_table "db";
		683	}
		684
		685	sub db_get($$) {
		686	my $key = "$_[0]/$_[1]";
		687
		688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
		691	BDB::db_get $DB, undef, $key, my $data;
		692
		693	$! ? ()
		694	: $data
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
		770	}
		771
		772	=item cf::datalog type => key => value, ...
		773
		774	Log a datalog packet of the given type with the given key-value pairs.
		775
		776	=cut
		777
		778	sub datalog($@) {
		779	my ($type, %kv) = @_;
		780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	781	}
385		782
386	=back	783	=back
387		784
388	=cut	785	=cut
389		786
390	#############################################################################	787	#############################################################################
391		788
392	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
393		790
394	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
397		794
398	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	797	Deliantra).
401		798
402	=over 4	799	=over 4
403		800
404	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
405		802
…		…
449	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
450		847
451	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
453		850
454	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
456		853
457	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
458		855
459	=over 4	856	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
569		966
570	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		971
575	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	973	my $pkg = shift @arg;
577		974
578	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
583		980
584	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		983
587	} elsif (ref $type) {	984	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
589		986
590	} else {	987	} else {
591	shift @arg;	988	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
593	}	990	}
594	}	991	}
595	}	992	}
596		993
597	sub _object_attach {	994	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
608	}	1005	}
609		1006
610	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
611	} else {	1008	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1010	}
614		1011
615	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
616	}	1013	}
617		1014
…		…
619	if (ref $_[0]) {	1016	if (ref $_[0]) {
620	_object_attach @_;	1017	_object_attach @_;
621	} else {	1018	} else {
622	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
623	}	1020	}
		1021	_recalc_want;
624	};	1022	};
625		1023
626	# all those should be optimised	1024	# all those should be optimised
627	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1030	reattach ($obj);
633	} else {	1031	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
635	}	1033	}
		1034	_recalc_want;
636	};	1035	};
637		1036
638	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
640		1039
…		…
655	";	1054	";
656	die if $@;	1055	die if $@;
657	}	1056	}
658		1057
659	our $override;	1058	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1060
662	sub override {	1061	sub override {
663	$override = 1;	1062	$override = 1;
664	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
665	}	1064	}
666		1065
667	sub do_invoke {	1066	sub do_invoke {
668	my $event = shift;	1067	my $event = shift;
669	my $callbacks = shift;	1068	my $callbacks = shift;
670		1069
671	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
672		1071
673	local $override;	1072	local $override;
674		1073
675	for (@$callbacks) {	1074	for (@$callbacks) {
676	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
677		1076
678	if ($@) {	1077	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1079	override;
682	}	1080	}
683		1081
684	return 1 if $override;	1082	return 1 if $override;
685	}	1083	}
686		1084
687	0	1085	0
688	}	1086	}
689		1087
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1089
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1091
694	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
695		1093
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1097
700	=back	1098	=back
701		1099
702	=cut	1100	=cut
703		1101
704	#############################################################################	1102	#############################################################################
705	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
706		1146
707	sub reattach {	1147	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1149	my ($obj) = @_;
710		1150
		1151	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1153
713	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
714		1155
715	@$registry = ();	1156	@$registry = ();
716		1157
…		…
721	for (@$attach) {	1162	for (@$attach) {
722	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
724	}	1165	}
725	} else {	1166	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1168	}
728	}	1169	}
729	}	1170	}
730		1171
731	cf::attachable->attach (	1172	cf::attachable->attach (
732	prio => -1000000,	1173	prio => -1000000,
733	on_instantiate => sub {	1174	on_instantiate => sub {
734	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
735		1176
736	$data = from_json $data;	1177	$data = decode_json $data;
737		1178
738	for (@$data) {	1179	for (@$data) {
739	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
740		1181
741	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1198	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
759		1200
760	sync_job {	1201	sync_job {
761	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
764		1207
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1213	aio_fsync $fh;
		1214	}
769	close $fh;	1215	aio_close $fh;
770		1216
771	if (@$objs) {	1217	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
777	close $fh;	1226	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
779	}	1228	}
780	} else {	1229	} else {
781	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
782	}	1231	}
783		1232
784	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1237	} else {
786	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
787	}	1239	}
788	} else {	1240	} else {
789	aio_unlink $filename;	1241	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
791	}	1243	}
792	}	1244	};
793	}	1245	}
794		1246
795	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
797		1249
…		…
809	or return;	1261	or return;
810		1262
811	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
813	or return;	1265	or return;
		1266
814	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
815	}	1269	}
816		1270
		1271	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
819	return ($data, $av);	1276	($data, $av)
820	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
821		1284
822	#############################################################################	1285	#############################################################################
823	# command handling &c	1286	# command handling &c
824		1287
825	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1302	}
840		1303
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1305
843	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
844		1311
845	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
846	called.	1313	called.
847		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
848	=cut	1326	=cut
849		1327
850	sub register_extcmd {	1328	sub register_extcmd {
851	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
852		1330
853	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
854	}	1332	}
855		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
856	cf::player->attach (	1342	cf::player->attach (
857	on_command => sub {	1343	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
859		1345
860	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
861	or return;	1347	or return;
862		1348
…		…
867	cf::override;	1353	cf::override;
868	},	1354	},
869	on_extcmd => sub {	1355	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
871		1357
872	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1359
874	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
880	} else {	1375	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1377	}
883		1378
884	cf::override;	1379	cf::override;
885	},	1380	},
886	);	1381	);
887		1382
		1383	# "readahead" all extensions
888	sub load_extension {	1384	sub cache_extensions {
889	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
890		1386
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1390	}
916	die $@;
917	}	1391	};
918		1392
919	push @EXTS, $pkg;	1393	$grp
920	}	1394	}
921		1395
922	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
923	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1403	next unless -r $path;
925	eval {	1404
926	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use common::sense;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1457	if exists $v->{meta}{mandatory};
		1458
		1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1460	delete $todo{$k};
		1461	} else {
		1462	$done{$k} = delete $todo{$k};
		1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
		1468	}
927	1	1469	}
928	} or warn "$ext not loaded: $@";	1470
		1471	unless ($progress) {
		1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
		1479	}
929	}	1480	};
930	}	1481	}
931		1482
932	#############################################################################	1483	#############################################################################
933		1484
		1485	=back
		1486
934	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
935		1488
936	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
937		1490
938	=cut	1491	=cut
939		1492
940	package cf::player;	1493	package cf::player;
941		1494
…		…
943		1496
944	=head3 cf::player	1497	=head3 cf::player
945		1498
946	=over 4	1499	=over 4
947		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
		1514
948	=item cf::player::find $login	1515	=item cf::player::find $login
949		1516
950	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
951		1518
952	=cut	1519	=cut
953		1520
954	sub playerdir($) {	1521	sub playerdir($) {
955	cf::localdir	1522	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1523	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1524	}
961		1525
962	sub path($) {	1526	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1527	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1528
965	(playerdir $login) . "/$login.pl"	1529	(playerdir $login) . "/playerdata"
966	}	1530	}
967		1531
968	sub find_active($) {	1532	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1533	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1534	and $cf::PLAYER{$_[0]}->active
…		…
973		1537
974	sub exists($) {	1538	sub exists($) {
975	my ($login) = @_;	1539	my ($login) = @_;
976		1540
977	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
979	}	1543	}
980		1544
981	sub find($) {	1545	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1547	my $login = $_[0];
984		1548
985	my $guard = cf::lock_acquire "user_find:$login";	1549	my $guard = cf::lock_acquire "user_find:$login";
986		1550
987	$cf::PLAYER{$_[0]} || do {	1551	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1552	# rename old playerfiles to new ones
		1553	#TODO: remove when no longer required
		1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1557	aio_unlink +(playerdir $login) . "/$login.pl";
		1558
		1559	my $f = new_from_file cf::object::thawer path $login
989	or return;	1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
991	}	1568	}
992	}	1569	}
993	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
994		1584
995	sub save($) {	1585	sub save($) {
996	my ($pl) = @_;	1586	my ($pl) = @_;
997		1587
998	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1004		1594
1005	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1007		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
1008	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1009	Coro::cede;	1604	cf::cede_to_tick;
1010	}	1605	}
1011		1606
1012	sub new($) {	1607	sub new($) {
1013	my ($login) = @_;	1608	my ($login) = @_;
1014		1609
…		…
1020	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1021		1616
1022	$self	1617	$self
1023	}	1618	}
1024		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
1025	=item $pl->quit_character	1630	=item $pl->quit_character
1026		1631
1027	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1029		1634
…		…
1033	my ($pl) = @_;	1638	my ($pl) = @_;
1034		1639
1035	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1036		1641
1037	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1038	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1039		1644
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1043	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1044		1650
1045	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1076	while and may block, so not sync_job-capable, ever.	1682	while and may block, so not sync_job-capable, ever.
1077		1683
1078	=cut	1684	=cut
1079		1685
1080	sub list_logins {	1686	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1687	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1688	or return [];
1083		1689
1084	my @logins;	1690	my @logins;
1085		1691
1086	for my $login (@$dirs) {	1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1090		1702
1091	utf8::decode $login;	1703	utf8::decode $login;
1092	push @logins, $login;	1704	push @logins, $login;
1093	}	1705	}
1094		1706
1095	\@logins	1707	\@logins
1096	}	1708	}
1097		1709
1098	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1099		1713
1100	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1101	player. May block.	1715	player. May block.
1102		1716
1103	=cut	1717	=cut
…		…
1121	}	1735	}
1122		1736
1123	\@paths	1737	\@paths
1124	}	1738	}
1125		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1127		1745
1128	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1129		1747
1130	=cut	1748	=cut
1131		1749
1132	sub ext_reply($$$%) {	1750	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1134		1752
1135	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1754	}
1139		1755
1140	package cf;	1756	=item $player->ext_msg ($type, @msg)
		1757
		1758	Sends an ext event to the client.
		1759
		1760	=cut
		1761
		1762	sub ext_msg($$@) {
		1763	my ($self, $type, @msg) = @_;
		1764
		1765	$self->ns->ext_msg ($type, @msg);
		1766	}
		1767
		1768	=head3 cf::region
		1769
		1770	=over 4
		1771
		1772	=cut
		1773
		1774	package cf::region;
		1775
		1776	=item cf::region::find_by_path $path
		1777
		1778	Tries to decuce the likely region for a map knowing only its path.
		1779
		1780	=cut
		1781
		1782	sub find_by_path($) {
		1783	my ($path) = @_;
		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
		1787	my ($match, $specificity);
		1788
		1789	for my $region (list) {
		1790	if ($region->{match} && $path =~ $region->{match}) {
		1791	($match, $specificity) = ($region, $region->specificity)
		1792	if $region->specificity > $specificity;
		1793	}
		1794	}
		1795
		1796	$match
		1797	}
1141		1798
1142	=back	1799	=back
1143
1144		1800
1145	=head3 cf::map	1801	=head3 cf::map
1146		1802
1147	=over 4	1803	=over 4
1148		1804
…		…
1160	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1161	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1162		1818
1163	sub generate_random_map {	1819	sub generate_random_map {
1164	my ($self, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1823
1165	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1166	$self->_create_random_map (	1825	$self->_create_random_map (
1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1170	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1171	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1188		1847
1189	sub register {	1848	sub register {
1190	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1191	my $pkg = caller;	1850	my $pkg = caller;
1192		1851
1193	no strict;
1194	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1195		1853
1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1197	}	1855	}
1198		1856
1199	# also paths starting with '/'	1857	# also paths starting with '/'
1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1201		1859
1202	sub thawer_merge {	1860	sub thawer_merge {
1203	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1204		1862
1205	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1206	local $self->{path};	1864	local $self->{path};
1207	local $self->{load_path};	1865	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1866
1211	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1212	}	1868	}
1213		1869
1214	sub normalise {	1870	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1262	return $self;	1918	return $self;
1263	}	1919	}
1264	}	1920	}
1265		1921
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1923	()
1268	}	1924	}
1269		1925
1270	sub init {	1926	sub init {
1271	my ($self) = @_;	1927	my ($self) = @_;
…		…
1286		1942
1287	# the original (read-only) location	1943	# the original (read-only) location
1288	sub load_path {	1944	sub load_path {
1289	my ($self) = @_;	1945	my ($self) = @_;
1290		1946
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1292	}	1948	}
1293		1949
1294	# the temporary/swap location	1950	# the temporary/swap location
1295	sub save_path {	1951	sub save_path {
1296	my ($self) = @_;	1952	my ($self) = @_;
1297		1953
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1300	}	1956	}
1301		1957
1302	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1303	sub uniq_path {	1959	sub uniq_path {
1304	my ($self) = @_;	1960	my ($self) = @_;
1305		1961
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1308	}	1964	}
1309		1965
1310	# and all this just because we cannot iterate over	1966	sub decay_objects {
1311	# all maps in C++...
1312	sub change_all_map_light {
1313	my ($change) = @_;	1967	my ($self) = @_;
1314		1968
1315	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1316	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1317	}	1972	}
1318		1973
1319	sub unlink_save {	1974	sub unlink_save {
1320	my ($self) = @_;	1975	my ($self) = @_;
1321		1976
…		…
1326		1981
1327	sub load_header_from($) {	1982	sub load_header_from($) {
1328	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1329		1984
1330	utf8::encode $path;	1985	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1336		1994
1337	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1338		1996
1339	1	1997	1
1340	}	1998	}
…		…
1379	$self->load_header_orig	2037	$self->load_header_orig
1380	or return;	2038	or return;
1381	$self->prepare_orig;	2039	$self->prepare_orig;
1382	}	2040	}
1383		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
		2045	$self->default_region (cf::region::find_by_path $self->{path})
		2046	unless $self->default_region;
		2047
1384	1	2048	1
1385	}	2049	}
1386		2050
1387	sub find;	2051	sub find;
1388	sub find {	2052	sub find {
1389	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1390		2054
1391	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1392		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1394		2059
1395	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";
1397	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1398	or return;	2062	or return;
1399		2063
1400	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1401		2065
1402	$map->load_header	2066	$map->load_header
1403	or return;	2067	or return;
1404		2068
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1408	$map->reset;	2074	$map->reset;
1409	undef $guard;
1410	return find $path;	2075	return find $path;
1411	}	2076	}
1412		2077
1413	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1414	}	2079	}
1415	}	2080	}
1416		2081
1417	sub pre_load { }	2082	sub pre_load { }
1418	sub post_load { }	2083	#sub post_load { } # XS
1419		2084
1420	sub load {	2085	sub load {
1421	my ($self) = @_;	2086	my ($self) = @_;
1422		2087
1423	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1424		2089
1425	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1426	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1427		2094
		2095	return unless $self->valid;
1428	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1429		2097
1430	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1431		2099
1432	$self->alloc;	2100	$self->alloc;
1433		2101
1434	$self->pre_load;	2102	$self->pre_load;
		2103	cf::cede_to_tick;
1435		2104
1436	$self->_load_objects ($self->{load_path}, 1)	2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
		2107	$self->_load_objects ($f)
1437	or return;	2108	or return;
1438		2109
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1440	if delete $self->{load_original};	2111	if delete $self->{load_original};
1441		2112
1442	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	2114	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	2117	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1447	}	2121	}
1448	}	2122	}
1449		2123
1450	Coro::cede;	2124	$f->resolve_delayed_derefs;
1451		2125
		2126	cf::cede_to_tick;
1452	# now do the right thing for maps	2127	# now do the right thing for maps
1453	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	2130	unless $self->difficulty;
1463	Coro::cede;	2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1464	$self->activate;	2138	$self->activate;
		2139	}
		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
		2144	$self->in_memory (cf::MAP_ACTIVE);
1465	}	2145	}
1466		2146
1467	$self->post_load;	2147	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	2148	}
1471		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1472	sub customise_for {	2153	sub customise_for {
1473	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1474		2155
1475	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	2157	if $self->per_player;
1477		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1478	$self	2162	$self
1479	}	2163	}
1480		2164
1481	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	2166	sub load_neighbours {
1483	my ($map) = @_;	2167	my ($map) = @_;
1484		2168
1485	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1486		2170
1487	for (0 .. 3) {	2171	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1489	or next;	2173	or next;
1490	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1491	or next;	2175	or next;
1492	$neigh->load;	2176	$neigh->load;
1493		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	2182	}
1497		2183
1498	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1500	or next;	2187	or next;
1501	$neigh->load;	2188	$neigh->load;
1502	}	2189	}
1503	}	2190	}
1504		2191
1505	sub find_sync {	2192	sub find_sync {
1506	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1507		2194
1508	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1509	}	2199	}
1510		2200
1511	sub do_load_sync {	2201	sub do_load_sync {
1512	my ($map) = @_;	2202	my ($map) = @_;
1513		2203
1514	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
1515	}	2208	}
1516		2209
1517	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1519		2212
1520	sub find_async {	2213	sub find_async {
1521	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1522		2215
1523	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1524		2217
1525	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1527	}	2220	}
1528		2221
1529	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1530	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1531	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2229	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2230	$map->load if $v;
		2231	}
1536		2232
1537	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1538	}	2234	}
1539	}	2235	}
1540	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1541	};	2237	};
1542	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1543		2239
1544	()	2240	()
1545	}	2241	}
1546		2242
		2243	# common code, used by both ->save and ->swapout
1547	sub save {	2244	sub _save {
1548	my ($self) = @_;	2245	my ($self) = @_;
1549
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1551		2246
1552	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1553		2248
1554	return unless $self->dirty;	2249	return unless $self->dirty;
1555		2250
…		…
1561	return if $self->{deny_save};	2256	return if $self->{deny_save};
1562		2257
1563	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1564		2259
1565	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1566	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1567	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1568		2266
1569	if ($uniq) {	2267	if ($uniq) {
1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1572	} else {	2270	} else {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1574	}	2272	}
1575	}	2273	}
1576		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1577	sub swap_out {	2283	sub swap_out {
1578	my ($self) = @_;	2284	my ($self) = @_;
1579		2285
1580	# save first because save cedes
1581	$self->save;
1582
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1585	return if $self->players;	2290	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};
1588		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
1589	$self->clear;	2301	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2302	}
1592		2303
1593	sub reset_at {	2304	sub reset_at {
1594	my ($self) = @_;	2305	my ($self) = @_;
1595		2306
1596	# TODO: safety, remove and allow resettable per-player maps	2307	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2308	return 1e99 if $self->{deny_reset};
1599		2309
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2310	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2311	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2312
…		…
1613	my ($self) = @_;	2323	my ($self) = @_;
1614		2324
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2326
1617	return if $self->players;	2327	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2328
1620	warn "resetting map ", $self->path;#d#	2329	cf::trace "resetting map ", $self->path, "\n";
1621		2330
1622	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
1623		2332
1624	# need to save uniques path	2333	# need to save uniques path
1625	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
1629	if $uniq;	2338	if $uniq;
1630	}	2339	}
1631		2340
1632	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1633		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2345	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2346
1638	$self->unlink_save;	2347	$self->unlink_save;
1639	$self->destroy;	2348	$self->destroy;
1640	}	2349	}
1641		2350
1642	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1643		2352
1644	sub nuke {	2353	sub nuke {
1645	my ($self) = @_;	2354	my ($self) = @_;
1646		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1647	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1648		2360
1649	$self->unlink_save;	2361	$self->unlink_save;
1650		2362
1651	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1652	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2368
1657	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1658		2371
1659	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
		2373	}
		2374
		2375	=item $maps = cf::map::tmp_maps
		2376
		2377	Returns an arrayref with all map paths of currently instantiated and saved
		2378	maps. May block.
		2379
		2380	=cut
		2381
		2382	sub tmp_maps() {
		2383	[
		2384	map {
		2385	utf8::decode $_;
		2386	/\.map$/
		2387	? normalise $_
		2388	: ()
		2389	} @{ aio_readdir $TMPDIR or [] }
		2390	]
		2391	}
		2392
		2393	=item $maps = cf::map::random_maps
		2394
		2395	Returns an arrayref with all map paths of currently instantiated and saved
		2396	random maps. May block.
		2397
		2398	=cut
		2399
		2400	sub random_maps() {
		2401	[
		2402	map {
		2403	utf8::decode $_;
		2404	/\.map$/
		2405	? normalise "?random/$_"
		2406	: ()
		2407	} @{ aio_readdir $RANDOMDIR or [] }
		2408	]
1660	}	2409	}
1661		2410
1662	=item cf::map::unique_maps	2411	=item cf::map::unique_maps
1663		2412
1664	Returns an arrayref of paths of all shared maps that have	2413	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2414	instantiated unique items. May block.
1666		2415
1667	=cut	2416	=cut
1668		2417
1669	sub unique_maps() {	2418	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2419	[
1671	or return;	2420	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2421	utf8::decode $_;
1677	next if /\.pst$/;	2422	s/\.map$//; # TODO future compatibility hack
1678	next unless /^$PATH_SEP/o;	2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1679		2424	? ()
1680	push @paths, cf::map::normalise $_;	2425	: normalise $_
		2426	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2427	]
1682
1683	\@paths
1684	}	2428	}
1685		2429
1686	package cf;	2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
		2451	s/\.map$// or next;
		2452	utf8::decode $_;
		2453	push @maps, "$dir/$_";
		2454	}
		2455
		2456	push @dirs, map "$dir/$_", @$dirs;
		2457	}
		2458
		2459	\@maps
		2460	}
1687		2461
1688	=back	2462	=back
1689		2463
1690	=head3 cf::object	2464	=head3 cf::object
1691		2465
…		…
1695		2469
1696	=over 4	2470	=over 4
1697		2471
1698	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
1699		2473
1700	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
1701		2476
1702	=cut	2477	=cut
1703		2478
1704	sub inv_recursive_;	2479	sub inv_recursive_;
1705	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
1708		2483
1709	sub inv_recursive {	2484	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
1711	}	2486	}
1712		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
		2514	}
		2515
1713	package cf;	2516	package cf;
1714		2517
1715	=back	2518	=back
1716		2519
1717	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
1723	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1724	can be C<undef>. Does the right thing when the player is currently in a	2527	can be C<undef>. Does the right thing when the player is currently in a
1725	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1726		2529
1727	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
1728		2545
1729	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1730	# with dialog boxes.	2547	# with dialog boxes.
1731	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
1732	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1734		2551
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2553
1737	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1739	} else {	2557	} else {
		2558	my $pl = $self->contr;
		2559
		2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2561	my $dialog = $pl->{npc_dialog};
		2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2563
		2564	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1742	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
1743	}	2579	}
1744		2580
1745	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1746		2582
1747	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1760		2596
1761	=item $player_object->enter_link	2597	=item $player_object->enter_link
1762		2598
1763	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
1764		2600
1765	The player should be reasonably safe there for short amounts of time. You	2601	The player should be reasonably safe there for short amounts of time (e.g.
1766	I<MUST> call C<leave_link> as soon as possible, though.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
1767		2605
1768	Will never block.	2606	Will never block.
1769		2607
1770	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1771		2609
…		…
1791	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1792	my ($self) = @_;	2630	my ($self) = @_;
1793		2631
1794	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1795		2633
		2634	++$self->{_link_recursion};
		2635
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2637
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2639	if $self->map && $self->map->{path} ne "{link}";
1800		2640
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1802	}	2642	}
1803		2643
1804	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
		2646
		2647	return unless $self->contr->active;
1806		2648
1807	my $link_pos = delete $self->{_link_pos};	2649	my $link_pos = delete $self->{_link_pos};
1808		2650
1809	unless ($map) {	2651	unless ($map) {
1810	# restore original map position	2652	# restore original map position
…		…
1821	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
1822	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
1823		2665
1824	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
1827		2669
1828	$map->load;	2670	$map->load;
1829	$map->load_diag;	2671	$map->load_neighbours;
1830		2672
1831	return unless $self->contr->active;	2673	return unless $self->contr->active;
1832	$self->activate_recursive;
1833		2674
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
1836	}	2677	# entering was successful
1837		2678	delete $self->{_link_recursion};
1838	cf::player->attach (	2679	# only activate afterwards, to support waiting in hooks
1839	on_logout => sub {	2680	$self->activate_recursive;
1840	my ($pl) = @_;
1841
1842	# abort map switching before logout
1843	if ($pl->ob->{_link_pos}) {
1844	cf::sync_job {
1845	$pl->ob->leave_link
1846	};
1847	}
1848	},	2681	}
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2682
1852	# try to abort aborted map switching on player login :)	2683	}
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869		2684
1870	=item $player_object->goto ($path, $x, $y)	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1871		2686
		2687	Moves the player to the given map-path and coordinates by first freezing
		2688	her, loading and preparing them map, calling the provided $check callback
		2689	that has to return the map if sucecssful, and then unfreezes the player on
		2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
		2695
1872	=cut	2696	=cut
		2697
		2698	our $GOTOGEN;
1873		2699
1874	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
		2708
		2709	# do generation counting so two concurrent goto's will be executed in-order
		2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2711
1877	$self->enter_link;	2712	$self->enter_link;
1878		2713
1879	(async {	2714	(async {
		2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
1880	my $map = eval {	2736	my $map = eval {
1881	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
		2738
		2739	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2740	$map = $map->customise_for ($self);
		2741	$map = $check->($map, $x, $y, $self) if $check && $map;
		2742	} else {
		2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2744	}
		2745
1883	$map	2746	$map
		2747	};
		2748
		2749	if ($@) {
		2750	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2751	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2752	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2753
		2754	if ($gen == $self->{_goto_generation}) {
		2755	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
		2757	}
		2758
		2759	$done->($self) if $done;
1888	})->prio (1);	2760	})->prio (1);
1889	}	2761	}
1890		2762
1891	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
1892		2764
…		…
1912	}	2784	}
1913		2785
1914	sub prepare_random_map {	2786	sub prepare_random_map {
1915	my ($exit) = @_;	2787	my ($exit) = @_;
1916		2788
1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1918
1919	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
1920	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
1921	# that depends on the exit object	2791	# that depends on the exit object
1922		2792
1923	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
1925	if ($exit->map) {	2795	if ($exit->map) {
1926	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
1927	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
1928	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
1929	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
1930	}	2802	}
1931		2803
1932	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
1933		2805
1934	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1935	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
1937		2809
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2812	undef $fh;
1941	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
1942		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
1943	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
1944	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
1945	}	2821	}
1946	}	2822	}
1947		2823
1948	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
1949	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
1950		2826
1951	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
1952		2828
1953	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
1955	cf::sync_job { prepare_random_map $exit };
1956	}
1957
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;
1961
1962	$self->enter_link;	2829	$self->enter_link;
1963		2830
1964	(async {	2831	(async {
1965	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
1966	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
		2841	prepare_random_map $exit
		2842	if $exit->slaying eq "/!";
		2843	}
		2844
		2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
		2848
1967	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
1968		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
1969	1;	2855	1
1970	}) {	2856	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
1972	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2861
1976	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
1977	$self->leave_link;	2863	$self->leave_link;
1978	}	2864	}
1979	})->prio (1);	2865	})->prio (1);
1980	}	2866	}
1981		2867
…		…
1992		2878
1993	sub cf::client::send_drawinfo {	2879	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2880	my ($self, $text, $flags) = @_;
1995		2881
1996	utf8::encode $text;	2882	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2884	}
1999		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
		2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2912
		2913	Send a drawinfo or msg packet to the client, formatting the msg for the
		2914	client if neccessary. C<$type> should be a string identifying the type of
		2915	the message, with C<log> being the default. If C<$color> is negative, suppress
		2916	the message unless the client supports the msg packet.
		2917
		2918	=cut
		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
		3034	sub cf::client::send_msg {
		3035	my ($self, $channel, $msg, $color, @extra) = @_;
		3036
		3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
		3058
		3059	return unless @extra || length $msg;
		3060
		3061	# default colour, mask it out
		3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3063	if $color & cf::NDI_DEF;
		3064
		3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
		3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3068	);
		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
		3073	=item $client->ext_msg ($type, @msg)
		3074
		3075	Sends an ext event to the client.
		3076
		3077	=cut
		3078
		3079	sub cf::client::ext_msg($$@) {
		3080	my ($self, $type, @msg) = @_;
		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
		3085	push @msg, msgtype => "event_$type";
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
		3106	}
2000		3107
2001	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2002		3109
2003	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3111	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3112	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		3113
2007	Queries can fail, so check the return code. Or don't, as queries will become	3114	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	3115	become reliable at some point in the future.
2009		3116
2010	=cut	3117	=cut
2011		3118
2012	sub cf::client::query {	3119	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	3128	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		3130
2024	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
2026	}	3135	}
2027		3136
2028	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
2029	on_reply => sub {	3143	on_reply => sub {
2030	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
2031		3145
2032	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
2033	# get handled first	3147	# get handled first
…		…
2045	} else {	3159	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	3161	}
2048	}	3162	}
2049	},	3163	},
		3164	on_exticmd => sub {
		3165	my ($ns, $buf) = @_;
		3166
		3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3168
		3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
		3177	if (my $cb = $EXTICMD{$type}) {
		3178	@reply = $cb->($ns, @payload);
		3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
		3184	} else {
		3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3186	}
		3187
		3188	cf::override;
		3189	},
2050	);	3190	);
2051		3191
2052	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
2053		3193
2054	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
2070		3210
2071	$coro	3211	$coro
2072	}	3212	}
2073		3213
2074	cf::client->attach (	3214	cf::client->attach (
2075	on_destroy => sub {	3215	on_client_destroy => sub {
2076	my ($ns) = @_;	3216	my ($ns) = @_;
2077		3217
2078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2079	},	3219	},
2080	);	3220	);
…		…
2095	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2097		3237
2098	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2099		3239
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2101		3245
2102	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2103		3247
2104	=pod	3248	=pod
2105		3249
2106	The following fucntions and emthods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2107		3251
2108	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
2109	cf::object::player player	3257	cf::object::player
2110	cf::player peaceful	3258	player
2111	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2112		3265
2113	=cut	3266	=cut
2114		3267
2115	for (	3268	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2117	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2119	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2120	) {	3275	) {
2121	no strict 'refs';
2122	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2124	for @funs;	3278	for @funs;
2125	}	3279	}
2126		3280
…		…
2141		3295
2142	my $qcode = $code;	3296	my $qcode = $code;
2143	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2144	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2145		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2146	local $_;	3303	local $_;
2147	local @safe::cf::_safe_eval_args = values %vars;
2148		3304
2149	my $eval =	3305	my $eval =
2150	"do {\n"	3306	"do {\n"
2151	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2152	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2153	. $code	3309	. $code
2154	. "\n}"	3310	. "\n}"
2155	;	3311	;
2156		3312
		3313	if ($CFG{safe_eval}) {
2157	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2158	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2159	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2160		3322
2161	if ($@) {	3323	if ($@) {
2162	warn "$@";	3324	warn "$@",
2163	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2164	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2165	}	3327	}
2166		3328
2167	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2168	}	3330	}
2169		3331
…		…
2183	=cut	3345	=cut
2184		3346
2185	sub register_script_function {	3347	sub register_script_function {
2186	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2187		3349
2188	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2189	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2190	}	3352	}
2191		3353
2192	=back	3354	=back
2193		3355
2194	=cut	3356	=cut
2195
2196	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267		3357
2268	#############################################################################	3358	#############################################################################
2269	# the server's init and main functions	3359	# the server's init and main functions
2270		3360
2271	sub init_resources {	3361	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3362	my ($path) = @_;
		3363
		3364	# HACK to clear player env face cache, we need some signal framework
		3365	# for this (global event?)
		3366	%ext::player_env::MUSIC_FACE_CACHE = ();
		3367
		3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3369
		3370	trace "loading facedata from $path\n";
		3371
		3372	my $facedata;
		3373	0 < aio_load $path, $facedata
		3374	or die "$path: $!";
		3375
		3376	$facedata = Coro::Storable::thaw $facedata;
		3377
		3378	$facedata->{version} == 2
		3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3380
		3381	# patch in the exptable
		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3383	$facedata->{resource}{"res/exp_table"} = {
		3384	type => FT_RSRC,
		3385	data => $exp_table,
		3386	hash => (Digest::MD5::md5 $exp_table),
		3387	};
		3388	cf::cede_to_tick;
		3389
		3390	{
		3391	my $faces = $facedata->{faceinfo};
		3392
		3393	while (my ($face, $info) = each %$faces) {
		3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
		3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
		3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3400
		3401	cf::cede_to_tick;
		3402	}
		3403
		3404	while (my ($face, $info) = each %$faces) {
		3405	next unless $info->{smooth};
		3406
		3407	my $idx = cf::face::find $face
		3408	or next;
		3409
		3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
		3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3413	} else {
		3414	error "smooth face '$info->{smooth}' not found for face '$face'";
		3415	}
		3416
		3417	cf::cede_to_tick;
		3418	}
		3419	}
		3420
		3421	{
		3422	my $anims = $facedata->{animinfo};
		3423
		3424	while (my ($anim, $info) = each %$anims) {
		3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3426	cf::cede_to_tick;
		3427	}
		3428
		3429	cf::anim::invalidate_all; # d'oh
		3430	}
		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
		3451	1
		3452	}
		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
		3462	sub load_resource_file($) {
		3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
		3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
		3477	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3478	or die "unable to load regions file\n";
2274	}
2275		3479
2276	sub cfg_load {	3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
		3484	}
		3485
		3486	sub reload_facedata {
		3487	load_facedata "$DATADIR/facedata"
		3488	or die "unable to load facedata\n";
		3489	}
		3490
		3491	sub reload_archetypes {
		3492	load_resource_file "$DATADIR/archetypes"
		3493	or die "unable to load archetypes\n";
		3494	}
		3495
		3496	sub reload_treasures {
		3497	load_resource_file "$DATADIR/treasures"
		3498	or die "unable to load treasurelists\n";
		3499	}
		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
		3511	or next;
		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
		3522	}
		3523
		3524	sub reload_resources {
		3525	trace "reloading resource files...\n";
		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
		3530	reload_regions;
		3531	reload_treasures;
		3532
		3533	trace "finished reloading resource files\n";
		3534	}
		3535
		3536	sub reload_config {
		3537	trace "reloading config file...\n";
		3538
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3540	or return;
2279		3541
2280	local $/;	3542	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2282		3544
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2284		3546
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2287		3549
2288	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2292	};	3554	};
2293	warn $@ if $@;	3555	warn $@ if $@;
2294	}	3556	}
2295	}
2296		3557
2297	sub init {	3558	trace "finished reloading resource files\n";
2298	init_resources;	3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2299	}	3587	}
2300		3588
2301	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
2302	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305	(async {	3602	(async {
2306	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2307	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2308	};	3606	};
2309		3607
2310	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
		3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
2311	db_init;	3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
2312	load_extensions;	3631	load_extensions;
2313		3632
2314	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2315	Event::loop;	3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
2316	}	3646	}
2317		3647
2318	#############################################################################	3648	#############################################################################
2319	# initialisation and cleanup	3649	# initialisation and cleanup
2320		3650
2321	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2322	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2323	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2324	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2325	reentrant => 0,
2326	data => WF_AUTOCANCEL,
2327	signal => $signal,
2328	prio => 0,
2329	cb => sub {
2330	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2331	},
2332	);	3657	};
		3658	}
		3659	}
		3660
		3661	sub write_runtime_sync {
		3662	my $t0 = AE::time;
		3663
		3664	# first touch the runtime file to show we are still running:
		3665	# the fsync below can take a very very long time.
		3666
		3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3668
		3669	my $guard = cf::lock_acquire "write_runtime";
		3670
		3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3672	or return;
		3673
		3674	my $value = $cf::RUNTIME + 90 + 10;
		3675	# 10 is the runtime save interval, for a monotonic clock
		3676	# 60 allows for the watchdog to kill the server.
		3677
		3678	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3679	and return;
		3680
		3681	# always fsync - this file is important
		3682	aio_fsync $fh
		3683	and return;
		3684
		3685	# touch it again to show we are up-to-date
		3686	aio_utime $fh, undef, undef;
		3687
		3688	close $fh
		3689	or return;
		3690
		3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3692	and return;
		3693
		3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3695
2333	}	3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
2334	}	3747	}
2335		3748
2336	sub emergency_save() {	3749	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2338		3751
2339	warn "enter emergency perl save\n";	3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
2340		3758
2341	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2342	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2343	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2344	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2345	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2346	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2347	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2348	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349	$pl->save;	3770	$pl->save;
2350	}	3771	}
2351	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2352		3773
2353	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
2354	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2355	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2356	$map->valid or next;	3779	$map->valid or next;
2357	$map->save;	3780	$map->save;
2358	}	3781	}
2359	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2360		3783
2361	warn "begin emergency database checkpoint\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
2362	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2363	warn "end emergency database checkpoint\n";	3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
2364	};	3812	};
2365		3813
2366	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2367	}	3815	}
2368		3816
2369	sub post_cleanup {	3817	sub post_cleanup {
2370	my ($make_core) = @_;	3818	my ($make_core) = @_;
2371		3819
		3820	IO::AIO::flush;
		3821
2372	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3823	if $make_core;
2374	}
2375		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
		3852	}
		3853
2376	sub reload() {	3854	sub do_reload_perl() {
2377	# can/must only be called in main	3855	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2379	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2380	return;	3858	return;
2381	}	3859	}
2382		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2383	warn "reloading...";	3866	info "reloading...";
2384		3867
2385	warn "entering sync_job";	3868	trace "entering sync_job";
2386		3869
2387	cf::sync_job {	3870	cf::sync_job {
2388	cf::write_runtime; # external watchdog should not bark
2389	cf::emergency_save;	3871	cf::emergency_save;
2390	cf::write_runtime; # external watchdog should not bark
2391		3872
2392	warn "syncing database to disk";
2393	BDB::db_env_txn_checkpoint $DB_ENV;
2394
2395	# if anything goes wrong in here, we should simply crash as we already saved
2396
2397	warn "cancelling all WF_AUTOCANCEL watchers";
2398	for (Event::all_watchers) {
2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2400	}
2401
2402	warn "flushing outstanding aio requests";
2403	for (;;) {
2404	BDB::flush;
2405	IO::AIO::flush;
2406	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";
2409	}
2410
2411	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3875	%EXT_CORO = ();
2414		3876
2415	warn "removing commands";	3877	trace "removing commands";
2416	%COMMAND = ();	3878	%COMMAND = ();
2417		3879
2418	warn "removing ext commands";	3880	trace "removing ext/exti commands";
2419	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2420		3883
2421	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2424		3887
2425	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2426	eval {	3889	eval {
2427	$cb->($pkg);	3890	$cb->($pkg);
2428	1	3891	1
2429	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
2430	}	3897	}
2431		3898
2432	warn "... nuking $pkg";
2433	Symbol::delete_package $pkg;
2434	}
2435
2436	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2437	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2439		3902
2440	warn "... unloading $k";	3903	trace "... unloading $k";
2441	delete $INC{$k};	3904	delete $INC{$k};
2442		3905
2443	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2444	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2445		3908
2446	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2447	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2448	}	3914	}
2449		3915
2450	Symbol::delete_package $k;
2451	}
2452
2453	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2454	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3919
2457	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
		3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2459		3923
2460	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3925	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2463		3927
2464	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
2465		3929
2466	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2467	require cf;	3931	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2469		3933
2470	warn "loading config and database again";	3934	trace "loading config and database again";
2471	cf::cfg_load;	3935	cf::reload_config;
2472		3936
2473	warn "loading extensions";	3937	trace "loading extensions";
2474	cf::load_extensions;	3938	cf::load_extensions;
2475		3939
		3940	if ($REATTACH_ON_RELOAD) {
2476	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2477	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
2480	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
2481	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
2482		3948
2483	warn "loading reloadable resources";	3949	trace "running post_init jobs";
2484	init_resources;	3950	(pop @POST_INIT)->(1) while @POST_INIT;
2485		3951
2486	warn "leaving sync_job";	3952	trace "leaving sync_job";
2487		3953
2488	1	3954	1
2489	} or do {	3955	} or do {
2490	warn $@;	3956	error $@;
2491	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
2492	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
		3962	}
		3963
		3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
		3966	};
		3967
		3968	our $RELOAD_WATCHER; # used only during reload
		3969
		3970	sub reload_perl() {
		3971	# doing reload synchronously and two reloads happen back-to-back,
		3972	# coro crashes during coro_state_free->destroy here.
		3973
		3974	$RELOAD_WATCHER ||= cf::async {
		3975	Coro::AIO::aio_wait cache_extensions;
		3976
		3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3978	do_reload_perl;
		3979	undef $RELOAD_WATCHER;
		3980	};
2493	};	3981	};
2494		3982	}
2495	warn "reloaded";
2496	};
2497
2498	our $RELOAD_WATCHER; # used only during reload
2499		3983
2500	register_command "reload" => sub {	3984	register_command "reload" => sub {
2501	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2502		3986
2503	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2504	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
2505		3989	async {
2506	# doing reload synchronously and two reloads happen back-to-back,	3990	$Coro::current->{desc} = "perl_reload";
2507	# coro crashes during coro_state_free->destroy here.
2508
2509	$RELOAD_WATCHER ||= Event->timer (
2510	reentrant => 0,
2511	after => 0,
2512	data => WF_AUTOCANCEL,
2513	cb => sub {
2514	reload;	3991	reload_perl;
2515	undef $RELOAD_WATCHER;
2516	},
2517	);	3992	};
2518	}	3993	}
2519	};	3994	};
2520		3995
2521	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2522		3997
2523	my $bug_warning = 0;	3998	my $bug_warning = 0;
2524		3999
2525	$TICK_WATCHER = Event->timer (	4000	our @WAIT_FOR_TICK;
2526	reentrant => 0,	4001	our @WAIT_FOR_TICK_BEGIN;
2527	parked => 1,	4002
2528	prio => 0,	4003	sub wait_for_tick {
2529	at => $NEXT_TICK || $TICK,	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2530	data => WF_AUTOCANCEL,	4005
2531	cb => sub {	4006	my $signal = new Coro::Signal;
		4007	push @WAIT_FOR_TICK, $signal;
		4008	$signal->wait;
		4009	}
		4010
		4011	sub wait_for_tick_begin {
		4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4013
		4014	my $signal = new Coro::Signal;
		4015	push @WAIT_FOR_TICK_BEGIN, $signal;
		4016	$signal->wait;
		4017	}
		4018
		4019	sub tick {
2532	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
2535	return;	4023	return;
2536	}	4024	}
2537		4025
2538	$NOW = Event::time;
2539
2540	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2541	$RUNTIME += $TICK;
2542	$NEXT_TICK += $TICK;
2543		4027
		4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4029
2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545	$NEXT_RUNTIME_WRITE = $NOW + 10;	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2546	Coro::async_pool {	4032	Coro::async_pool {
		4033	$Coro::current->{desc} = "runtime saver";
2547	write_runtime	4034	write_runtime_sync
2548	or warn "ERROR: unable to write runtime file: $!";	4035	or error "ERROR: unable to write runtime file: $!";
2549	};
2550	}	4036	};
2551
2552	$WAIT_FOR_TICK->broadcast;
2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554
2555	# my $AFTER = Event::time;
2556	# warn $AFTER - $NOW;#d#
2557
2558	# if we are delayed by four ticks or more, skip them all
2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2560
2561	$TICK_WATCHER->at ($NEXT_TICK);
2562	$TICK_WATCHER->start;
2563	},	4037	}
2564	);	4038
		4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4040	$sig->send;
		4041	}
		4042	while (my $sig = shift @WAIT_FOR_TICK) {
		4043	$sig->send;
		4044	}
		4045
		4046	$LOAD = ($NOW - $TICK_START) / $TICK;
		4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4048
		4049	if (0) {
		4050	if ($NEXT_TICK) {
		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
		4055	}
		4056	}
2565		4057
2566	{	4058	{
2567	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
2568	$BDB_POLL_WATCHER = Event->io (	4060
2569	reentrant => 0,
2570	fd => BDB::poll_fileno,
2571	poll => 'r',
2572	prio => 0,
2573	data => WF_AUTOCANCEL,
2574	cb => \&BDB::poll_cb,
2575	);
2576	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
2577		4062	BDB::max_poll_reqs $TICK * 0.1;
2578	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
2579	my $status;
2580	my $current = $Coro::current;
2581	(
2582	sub {
2583	$status = $!;
2584	$current->ready; undef $current;
2585	},
2586	sub {
2587	Coro::schedule while defined $current;
2588	$! = $status;
2589	},
2590	)
2591	};
2592		4064
2593	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
2594	$DB_ENV = BDB::db_env_create;	4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2595		4072
2596	cf::sync_job {	4073	cf::sync_job {
2597	eval {	4074	eval {
2598	BDB::db_env_open	4075	BDB::db_env_open
2599	$DB_ENV,	4076	$DB_ENV,
2600	$BDB_ENV_DIR,	4077	$BDBDIR,
2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603	0666;	4080	0666;
2604		4081
2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2606
2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608	$DB_ENV->set_lk_detect;
2609	};	4083	};
2610		4084
2611	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
2612	};	4086	};
2613	}	4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
2614	}	4098	}
2615		4099
2616	{	4100	{
		4101	# configure IO::AIO
		4102
2617	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
2618
2619	undef $Coro::AIO::WATCHER;
2620	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
2621	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
2622	reentrant => 0,
2623	data => WF_AUTOCANCEL,
2624	fd => IO::AIO::poll_fileno,
2625	poll => 'r',
2626	prio => 6,
2627	cb => \&IO::AIO::poll_cb,
2628	);
2629	}	4106	}
		4107
		4108	my $_log_backtrace;
		4109
		4110	sub _log_backtrace {
		4111	my ($msg, @addr) = @_;
		4112
		4113	$msg =~ s/\n//;
		4114
		4115	# limit the # of concurrent backtraces
		4116	if ($_log_backtrace < 2) {
		4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
		4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
		4122	my @bt = fork_call {
		4123	@addr = map { sprintf "%x", $_ } @addr;
		4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4126	or die "addr2line: $!";
		4127
		4128	my @funcs;
		4129	my @res = <$fh>;
		4130	chomp for @res;
		4131	while (@res) {
		4132	my ($func, $line) = splice @res, 0, 2, ();
		4133	push @funcs, "[$func] $line";
		4134	}
		4135
		4136	@funcs
		4137	};
		4138
		4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4141	LOG llevInfo, "[ABT] $_\n" for @bt;
		4142	--$_log_backtrace;
		4143	};
		4144	} else {
		4145	LOG llevInfo, "[ABT] $msg\n";
		4146	LOG llevInfo, "[ABT] [suppressed]\n";
		4147	}
		4148	}
		4149
		4150	# load additional modules
		4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
2630		4153
2631	END { cf::emergency_save }	4154	END { cf::emergency_save }
2632		4155
2633	1	4156	1
2634		4157

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