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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.202 by root, Mon Jan 29 20:16:28 2007 UTC vs.
Revision 1.532 by root, Thu Apr 29 07:32:34 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
87		170
88	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
89		187
90	#############################################################################	188	#############################################################################
91		189
92	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
93		191
…		…
100	=item $cf::RUNTIME	198	=item $cf::RUNTIME
101		199
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	201	every server tick.
104		202
105	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		206
107	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
109		211
110	=item $cf::NOW	212	=item $cf::NOW
111		213
112	The time of the last (current) server tick.	214	The time of the last (current) server tick.
113		215
114	=item $cf::TICK	216	=item $cf::TICK
115		217
116	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
117		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
118	=item %cf::CFG	230	=item %cf::CFG
119		231
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	233	from wherever your confdir points to.
122		234
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		236
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
129		252
130	=back	253	=back
131		254
132	=cut	255	=cut
133		256
134	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
135	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
136	my $msg = join "", @_;	264	my $msg = join "", @_;
137	utf8::encode $msg;
138		265
139	$msg .= "\n"	266	$msg .= "\n"
140	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
141		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
142	LOG llevError, $msg;	271	LOG llevWarn, $msg;
143	};	272	};
144	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
145		287
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		295
153	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	297	# within the Safe compartment.
155	for my $pkg (qw(	298	for my $pkg (qw(
156	cf::global cf::attachable	299	cf::global cf::attachable
157	cf::object cf::object::player	300	cf::object cf::object::player
158	cf::client cf::player	301	cf::client cf::player
159	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
160	cf::map cf::party cf::region	304	cf::party cf::region
161	)) {	305	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	307	}
165		308
166	$Event::DIED = sub {	309	$EV::DIED = sub {
167	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
168	};	311	};
		312
		313	#############################################################################
169		314
170	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
171		316
172	=over 4	317	=over 4
173		318
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	338	$d
194	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
195	}	340	}
196		341
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
200		343
201	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
202		345
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
211		347
212	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
213		349
214	=cut	350	=cut
215		351
216	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
218	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
219	}	369	}
220		370
221	=item cf::lock_wait $string	371	=item cf::lock_wait $string
222		372
223	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
224		374
225	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
226		376
227	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
230	returned.	380	returned.
231		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
232	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
234		387
235	=cut	388	=item $locked = cf::lock_active $string
236		389
237	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
238		395
239	sub lock_wait($) {	396	sub lock_wait($) {
240	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	398	}
248		399
249	sub lock_acquire($) {	400	sub lock_acquire($) {
250	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
251		403
252	# wait, to be sure we are not locked	404	sub lock_active($) {
253	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	406	}
262		407
263	sub freeze_mainloop {	408	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
265		410
266	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	412	}
268	$WRITE_RUNTIME_WATCHER->start;	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
269	};	478	}
270	$WRITE_RUNTIME_WATCHER->stop;	479	};
271	$TICK_WATCHER->stop;	480
272	$guard	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
273	}	494	}
274		495
275	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
276		497
277	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		503
283	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
284		505
285	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
286		507
287	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
290		512
291	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
294	fast or be very important.	516	fast or be very important.
…		…
297		519
298	sub sync_job(&) {	520	sub sync_job(&) {
299	my ($job) = @_;	521	my ($job) = @_;
300		522
301	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
		524	my $time = AE::time;
		525
302	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
304		528
305	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	530
307	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
308		532
309	my $busy = 1;	533	my $busy = 1;
310	my @res;	534	my @res;
311		535
312	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	538	@res = eval { $job->() };
314	warn $@ if $@;	539	error $@ if $@;
315	undef $busy;	540	undef $busy;
316	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
317		542
318	while ($busy) {	543	while ($busy) {
319	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
320	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
321		554
322	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
323	} else {	556	} else {
324	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
325		558
…		…
345	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
346		579
347	$coro	580	$coro
348	}	581	}
349		582
350	sub write_runtime {	583	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		584
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
354	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
355		589
356	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		591
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
361	and return;	593	my ($cb, @args) = @_;
362		594
363	aio_fsync $fh	595	# we seemingly have to make a local copy of the whole thing,
364	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
365		598
366	close $fh	599	my @res = Coro::Util::fork_eval {
367	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
368		603
369	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
370	and return;	605	}
371		606
		607	sub objinfo {
372	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
		677
		678	our $DB;
		679
		680	sub db_init {
		681	cf::sync_job {
		682	$DB ||= db_table "db";
		683	};
		684	}
		685
		686	sub db_get($$) {
		687	my $key = "$_[0]/$_[1]";
		688
		689	cf::sync_job {
		690	BDB::db_get $DB, undef, $key, my $data;
		691
		692	$! ? ()
		693	: $data
		694	}
		695	}
		696
		697	sub db_put($$$) {
		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 });
373	}	781	}
374		782
375	=back	783	=back
376		784
377	=cut	785	=cut
378		786
379	#############################################################################	787	#############################################################################
380		788
381	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
382		790
383	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
384	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")
385	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
386		794
387	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>
388	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
389	crossfire+).	797	Deliantra).
390		798
391	=over 4	799	=over 4
392		800
393	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
394		802
…		…
438	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
439		847
440	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
442		850
443	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
444	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.
445		853
446	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
447		855
448	=over 4	856	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
558		966
559	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		971
564	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	973	my $pkg = shift @arg;
566		974
567	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
572		980
573	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		983
576	} elsif (ref $type) {	984	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
578		986
579	} else {	987	} else {
580	shift @arg;	988	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
582	}	990	}
583	}	991	}
584	}	992	}
585		993
586	sub _object_attach {	994	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
597	}	1005	}
598		1006
599	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
600	} else {	1008	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1010	}
603		1011
604	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
605	}	1013	}
606		1014
…		…
608	if (ref $_[0]) {	1016	if (ref $_[0]) {
609	_object_attach @_;	1017	_object_attach @_;
610	} else {	1018	} else {
611	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
612	}	1020	}
		1021	_recalc_want;
613	};	1022	};
614		1023
615	# all those should be optimised	1024	# all those should be optimised
616	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1030	reattach ($obj);
622	} else {	1031	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
624	}	1033	}
		1034	_recalc_want;
625	};	1035	};
626		1036
627	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
629		1039
…		…
644	";	1054	";
645	die if $@;	1055	die if $@;
646	}	1056	}
647		1057
648	our $override;	1058	our $override;
649	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?
650		1060
651	sub override {	1061	sub override {
652	$override = 1;	1062	$override = 1;
653	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
654	}	1064	}
655		1065
656	sub do_invoke {	1066	sub do_invoke {
657	my $event = shift;	1067	my $event = shift;
658	my $callbacks = shift;	1068	my $callbacks = shift;
659		1069
660	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
661		1071
662	local $override;	1072	local $override;
663		1073
664	for (@$callbacks) {	1074	for (@$callbacks) {
665	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
666		1076
667	if ($@) {	1077	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1079	override;
671	}	1080	}
672		1081
673	return 1 if $override;	1082	return 1 if $override;
674	}	1083	}
675		1084
676	0	1085	0
677	}	1086	}
678		1087
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1089
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1091
683	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
684		1093
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1097
689	=back	1098	=back
690		1099
691	=cut	1100	=cut
692		1101
693	#############################################################################	1102	#############################################################################
694	# 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, $ob2
		1145	}
695		1146
696	sub reattach {	1147	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1149	my ($obj) = @_;
699		1150
		1151	# no longer needed after getting rid of delete_package?
700	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
701		1153
702	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
703		1155
704	@$registry = ();	1156	@$registry = ();
705		1157
…		…
710	for (@$attach) {	1162	for (@$attach) {
711	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
713	}	1165	}
714	} else {	1166	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1168	}
717	}	1169	}
718	}	1170	}
719		1171
720	cf::attachable->attach (	1172	cf::attachable->attach (
721	prio => -1000000,	1173	prio => -1000000,
722	on_instantiate => sub {	1174	on_instantiate => sub {
723	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
724		1176
725	$data = from_json $data;	1177	$data = decode_json $data;
726		1178
727	for (@$data) {	1179	for (@$data) {
728	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
729		1181
730	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1198	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
748		1200
749	sync_job {	1201	sync_job {
750	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
753		1207
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
757	aio_fsync $fh;	1213	aio_fsync $fh;
		1214	}
758	close $fh;	1215	aio_close $fh;
759		1216
760	if (@$objs) {	1217	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
		1222	if ($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;
765	aio_fsync $fh;	1224	aio_fsync $fh;
		1225	}
766	close $fh;	1226	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
768	}	1228	}
769	} else {	1229	} else {
770	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
771	}	1231	}
772		1232
773	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1237	} else {
775	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
776	}	1239	}
777	} else {	1240	} else {
778	aio_unlink $filename;	1241	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
780	}	1243	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1244	};
788	}	1245	}
789		1246
790	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
792		1249
…		…
797		1254
798	sub object_thawer_load {	1255	sub object_thawer_load {
799	my ($filename) = @_;	1256	my ($filename) = @_;
800		1257
801	my ($data, $av);	1258	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1259
806	(aio_load $filename, $data) >= 0	1260	(aio_load $filename, $data) >= 0
807	or return;	1261	or return;
808		1262
809	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
811	or return;	1265	or return;
		1266
812	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
813	}	1269	}
814		1270
		1271	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
817	return ($data, $av);	1276	($data, $av)
818	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
819		1284
820	#############################################################################	1285	#############################################################################
821	# command handling &c	1286	# command handling &c
822		1287
823	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1302	}
838		1303
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1305
841	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.
842		1311
843	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
844	called.	1313	called.
845		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
846	=cut	1326	=cut
847		1327
848	sub register_extcmd {	1328	sub register_extcmd {
849	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
850		1330
851	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
852	}	1332	}
853		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
854	cf::player->attach (	1342	cf::player->attach (
855	on_command => sub {	1343	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
857		1345
858	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
859	or return;	1347	or return;
860		1348
…		…
865	cf::override;	1353	cf::override;
866	},	1354	},
867	on_extcmd => sub {	1355	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
869		1357
870	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1359
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
878	} else {	1375	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1377	}
881		1378
882	cf::override;	1379	cf::override;
883	},	1380	},
884	);	1381	);
885		1382
		1383	# "readahead" all extensions
886	sub load_extension {	1384	sub cache_extensions {
887	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
888		1386
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1390	}
914	die $@;
915	}	1391	};
916		1392
917	push @EXTS, $pkg;	1393	$grp
918	}	1394	}
919		1395
920	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
921	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1403	next unless -r $path;
923	eval {	1404
924	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 $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1427	. "#line 1 \"$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}: $@\n";
		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457
		1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1459	delete $todo{$k};
		1460	} else {
		1461	$done{$k} = delete $todo{$k};
		1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
		1467	}
925	1	1468	}
926	} or warn "$ext not loaded: $@";	1469
		1470	unless ($progress) {
		1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
		1478	}
927	}	1479	};
928	}	1480	}
929		1481
930	#############################################################################	1482	#############################################################################
931		1483
		1484	=back
		1485
932	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
933		1487
934	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
935		1489
936	=cut	1490	=cut
937		1491
938	package cf::player;	1492	package cf::player;
939		1493
…		…
941		1495
942	=head3 cf::player	1496	=head3 cf::player
943		1497
944	=over 4	1498	=over 4
945		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
		1513
946	=item cf::player::find $login	1514	=item cf::player::find $login
947		1515
948	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
949		1517
950	=cut	1518	=cut
951		1519
952	sub playerdir($) {	1520	sub playerdir($) {
953	cf::localdir	1521	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1522	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1523	}
959		1524
960	sub path($) {	1525	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1526	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1527
963	(playerdir $login) . "/$login.pl"	1528	(playerdir $login) . "/playerdata"
964	}	1529	}
965		1530
966	sub find_active($) {	1531	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1532	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1533	and $cf::PLAYER{$_[0]}->active
…		…
971		1536
972	sub exists($) {	1537	sub exists($) {
973	my ($login) = @_;	1538	my ($login) = @_;
974		1539
975	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
977	}	1542	}
978		1543
979	sub find($) {	1544	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1546	my $login = $_[0];
982		1547
983	my $guard = cf::lock_acquire "user_find:$login";	1548	my $guard = cf::lock_acquire "user_find:$login";
984		1549
985	$cf::PLAYER{$_[0]} || do {	1550	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1551	# rename old playerfiles to new ones
		1552	#TODO: remove when no longer required
		1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1556	aio_unlink +(playerdir $login) . "/$login.pl";
		1557
		1558	my $f = new_from_file cf::object::thawer path $login
987	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
989	}	1567	}
990	}	1568	}
991	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
992		1583
993	sub save($) {	1584	sub save($) {
994	my ($pl) = @_;	1585	my ($pl) = @_;
995		1586
996	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1002		1593
1003	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1005		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1006	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1007	Coro::cede;	1603	cf::cede_to_tick;
1008	}	1604	}
1009		1605
1010	sub new($) {	1606	sub new($) {
1011	my ($login) = @_;	1607	my ($login) = @_;
1012		1608
…		…
1018	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1019		1615
1020	$self	1616	$self
1021	}	1617	}
1022		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1023	=item $pl->quit_character	1629	=item $pl->quit_character
1024		1630
1025	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1027		1633
1028	=cut	1634	=cut
1029		1635
1030	sub quit_character {	1636	sub quit_character {
1031	my ($pl) = @_;	1637	my ($pl) = @_;
1032		1638
		1639	my $name = $pl->ob->name;
		1640
1033	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1643
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1040		1649
1041	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1652	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1653	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1654	$pl->destroy;
		1655
		1656	my $prefix = qr<^~\Q$name\E/>;
		1657
		1658	# nuke player maps
		1659	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1660
1046	IO::AIO::aio_rmtree $temp;	1661	IO::AIO::aio_rmtree $temp;
		1662	}
		1663
		1664	=item $pl->kick
		1665
		1666	Kicks a player out of the game. This destroys the connection.
		1667
		1668	=cut
		1669
		1670	sub kick {
		1671	my ($pl, $kicker) = @_;
		1672
		1673	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1674	$pl->killer ("kicked");
		1675	$pl->ns->destroy;
1047	}	1676	}
1048		1677
1049	=item cf::player::list_logins	1678	=item cf::player::list_logins
1050		1679
1051	Returns am arrayref of all valid playernames in the system, can take a	1680	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1681	while and may block, so not sync_job-capable, ever.
1053		1682
1054	=cut	1683	=cut
1055		1684
1056	sub list_logins {	1685	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1686	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1687	or return [];
1059		1688
1060	my @logins;	1689	my @logins;
1061		1690
1062	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1066		1701
1067	utf8::decode $login;	1702	utf8::decode $login;
1068	push @logins, $login;	1703	push @logins, $login;
1069	}	1704	}
1070		1705
1071	\@logins	1706	\@logins
1072	}	1707	}
1073		1708
1074	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1075		1712
1076	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1077	player. May block.	1714	player. May block.
1078		1715
1079	=cut	1716	=cut
…		…
1097	}	1734	}
1098		1735
1099	\@paths	1736	\@paths
1100	}	1737	}
1101		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1103		1744
1104	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1105		1746
1106	=cut	1747	=cut
1107		1748
1108	sub ext_reply($$$%) {	1749	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1110		1751
1111	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1753	}
1115		1754
1116	package cf;	1755	=item $player->ext_msg ($type, @msg)
		1756
		1757	Sends an ext event to the client.
		1758
		1759	=cut
		1760
		1761	sub ext_msg($$@) {
		1762	my ($self, $type, @msg) = @_;
		1763
		1764	$self->ns->ext_msg ($type, @msg);
		1765	}
		1766
		1767	=head3 cf::region
		1768
		1769	=over 4
		1770
		1771	=cut
		1772
		1773	package cf::region;
		1774
		1775	=item cf::region::find_by_path $path
		1776
		1777	Tries to decuce the likely region for a map knowing only its path.
		1778
		1779	=cut
		1780
		1781	sub find_by_path($) {
		1782	my ($path) = @_;
		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
		1786	my ($match, $specificity);
		1787
		1788	for my $region (list) {
		1789	if ($region->{match} && $path =~ $region->{match}) {
		1790	($match, $specificity) = ($region, $region->specificity)
		1791	if $region->specificity > $specificity;
		1792	}
		1793	}
		1794
		1795	$match
		1796	}
1117		1797
1118	=back	1798	=back
1119
1120		1799
1121	=head3 cf::map	1800	=head3 cf::map
1122		1801
1123	=over 4	1802	=over 4
1124		1803
…		…
1136	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1138		1817
1139	sub generate_random_map {	1818	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1141	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1824	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1171		1853
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1855	}
1174		1856
1175	# also paths starting with '/'	1857	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1859
1178	sub thawer_merge {	1860	sub thawer_merge {
1179	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1180		1862
1181	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1182	local $self->{path};	1864	local $self->{path};
1183	local $self->{load_path};	1865	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1866
1187	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1188	}	1868	}
1189		1869
1190	sub normalise {	1870	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1238	return $self;	1918	return $self;
1239	}	1919	}
1240	}	1920	}
1241		1921
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1923	()
1244	}	1924	}
1245		1925
1246	sub init {	1926	sub init {
1247	my ($self) = @_;	1927	my ($self) = @_;
…		…
1262		1942
1263	# the original (read-only) location	1943	# the original (read-only) location
1264	sub load_path {	1944	sub load_path {
1265	my ($self) = @_;	1945	my ($self) = @_;
1266		1946
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1268	}	1948	}
1269		1949
1270	# the temporary/swap location	1950	# the temporary/swap location
1271	sub save_path {	1951	sub save_path {
1272	my ($self) = @_;	1952	my ($self) = @_;
1273		1953
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1276	}	1956	}
1277		1957
1278	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1279	sub uniq_path {	1959	sub uniq_path {
1280	my ($self) = @_;	1960	my ($self) = @_;
1281		1961
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1284	}	1964	}
1285		1965
1286	# and all this just because we cannot iterate over	1966	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	1967	my ($self) = @_;
1290		1968
1291	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1293	}	1972	}
1294		1973
1295	sub unlink_save {	1974	sub unlink_save {
1296	my ($self) = @_;	1975	my ($self) = @_;
1297		1976
1298	utf8::encode (my $save = $self->save_path);	1977	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1978	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1980	}
1307		1981
1308	sub load_header_from($) {	1982	sub load_header_from($) {
1309	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1310		1984
1311	utf8::encode $path;	1985	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	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;
1317		1994
1318	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1319		1996
1320	1	1997	1
1321	}	1998	}
…		…
1360	$self->load_header_orig	2037	$self->load_header_orig
1361	or return;	2038	or return;
1362	$self->prepare_orig;	2039	$self->prepare_orig;
1363	}	2040	}
1364		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
1365	1	2048	1
1366	}	2049	}
1367		2050
1368	sub find;	2051	sub find;
1369	sub find {	2052	sub find {
1370	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1371		2054
1372	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1373		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2059
1376	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1379	or return;	2062	or return;
1380		2063
1381	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1382		2065
1383	$map->load_header	2066	$map->load_header
1384	or return;	2067	or return;
1385		2068
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1389	$map->reset;	2074	$map->reset;
1390	undef $guard;
1391	return find $path;	2075	return find $path;
1392	}	2076	}
1393		2077
1394	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1395	}	2079	}
1396	}	2080	}
1397		2081
1398	sub pre_load { }	2082	sub pre_load { }
1399	sub post_load { }	2083	#sub post_load { } # XS
1400		2084
1401	sub load {	2085	sub load {
1402	my ($self) = @_;	2086	my ($self) = @_;
1403		2087
1404	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1405		2089
1406	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1408		2094
		2095	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2097
1411	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1412		2099
1413	$self->alloc;	2100	$self->alloc;
1414		2101
1415	$self->pre_load;	2102	$self->pre_load;
		2103	cf::cede_to_tick;
1416		2104
1417	$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)
1418	or return;	2108	or return;
1419		2109
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1421	if delete $self->{load_original};	2111	if delete $self->{load_original};
1422		2112
1423	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2114	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2117	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1428	}	2121	}
1429	}	2122	}
1430		2123
1431	Coro::cede;	2124	$f->resolve_delayed_derefs;
1432		2125
		2126	cf::cede_to_tick;
1433	# now do the right thing for maps	2127	# now do the right thing for maps
1434	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2130	unless $self->difficulty;
1444	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;
1445	$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);
1446	}	2145	}
1447		2146
1448	$self->post_load;	2147	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2148	}
1452		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
1453	sub customise_for {	2153	sub customise_for {
1454	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1455		2155
1456	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2157	if $self->per_player;
1458		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1459	$self	2162	$self
1460	}	2163	}
1461		2164
1462	# 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
1463	sub load_diag {	2166	sub load_neighbours {
1464	my ($map) = @_;	2167	my ($map) = @_;
1465		2168
1466	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1467		2170
1468	for (0 .. 3) {	2171	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1470	or next;	2173	or next;
1471	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1472	or next;	2175	or next;
1473	$neigh->load;	2176	$neigh->load;
1474		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2182	}
1478		2183
1479	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1481	or next;	2187	or next;
1482	$neigh->load;	2188	$neigh->load;
1483	}	2189	}
1484	}	2190	}
1485		2191
…		…
1490	}	2196	}
1491		2197
1492	sub do_load_sync {	2198	sub do_load_sync {
1493	my ($map) = @_;	2199	my ($map) = @_;
1494		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1495	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1496	}	2205	}
1497		2206
1498	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1500		2209
1501	sub find_async {	2210	sub find_async {
1502	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1503		2212
1504	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1505		2214
1506	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2217	}
1509		2218
1510	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1511	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1512	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2226	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2227	$map->load if $v;
		2228	}
1517		2229
1518	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1519	}	2231	}
1520	}	2232	}
1521	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1522	};	2234	};
1523	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1524		2236
1525	()	2237	()
1526	}	2238	}
1527		2239
		2240	# common code, used by both ->save and ->swapout
1528	sub save {	2241	sub _save {
1529	my ($self) = @_;	2242	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2243
1533	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1534		2245
1535	return unless $self->dirty;	2246	return unless $self->dirty;
1536		2247
…		…
1542	return if $self->{deny_save};	2253	return if $self->{deny_save};
1543		2254
1544	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1545		2256
1546	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1548	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1549		2263
1550	if ($uniq) {	2264	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2267	} else {
1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1555	}	2269	}
1556	}	2270	}
1557		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1558	sub swap_out {	2280	sub swap_out {
1559	my ($self) = @_;	2281	my ($self) = @_;
1560		2282
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1566	return if $self->players;	2287	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1570	$self->clear;	2298	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2299	}
1573		2300
1574	sub reset_at {	2301	sub reset_at {
1575	my ($self) = @_;	2302	my ($self) = @_;
1576		2303
1577	# TODO: safety, remove and allow resettable per-player maps	2304	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2305	return 1e99 if $self->{deny_reset};
1580		2306
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2307	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2308	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2309
…		…
1594	my ($self) = @_;	2320	my ($self) = @_;
1595		2321
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2323
1598	return if $self->players;	2324	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2325
1601	warn "resetting map ", $self->path;#d#	2326	cf::trace "resetting map ", $self->path, "\n";
		2327
		2328	$self->in_memory (cf::MAP_SWAPPED);
		2329
		2330	# need to save uniques path
		2331	unless ($self->{deny_save}) {
		2332	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2333
		2334	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2335	if $uniq;
		2336	}
1602		2337
1603	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1604		2339
1605	$self->in_memory (cf::MAP_SWAPPED);	2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2342	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2343
1610	$self->unlink_save;	2344	$self->unlink_save;
1611	$self->destroy;	2345	$self->destroy;
1612	}	2346	}
1613		2347
1614	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1615		2349
1616	sub nuke {	2350	sub nuke {
1617	my ($self) = @_;	2351	my ($self) = @_;
1618		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
1619	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1620		2357
1621	$self->unlink_save;	2358	$self->unlink_save;
1622		2359
1623	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2365
1629	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
1630		2368
1631	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
		2370	}
		2371
		2372	=item $maps = cf::map::tmp_maps
		2373
		2374	Returns an arrayref with all map paths of currently instantiated and saved
		2375	maps. May block.
		2376
		2377	=cut
		2378
		2379	sub tmp_maps() {
		2380	[
		2381	map {
		2382	utf8::decode $_;
		2383	/\.map$/
		2384	? normalise $_
		2385	: ()
		2386	} @{ aio_readdir $TMPDIR or [] }
		2387	]
		2388	}
		2389
		2390	=item $maps = cf::map::random_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	random maps. May block.
		2394
		2395	=cut
		2396
		2397	sub random_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise "?random/$_"
		2403	: ()
		2404	} @{ aio_readdir $RANDOMDIR or [] }
		2405	]
1632	}	2406	}
1633		2407
1634	=item cf::map::unique_maps	2408	=item cf::map::unique_maps
1635		2409
1636	Returns an arrayref of paths of all shared maps that have	2410	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2411	instantiated unique items. May block.
1638		2412
1639	=cut	2413	=cut
1640		2414
1641	sub unique_maps() {	2415	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2416	[
1643	or return;	2417	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2418	utf8::decode $_;
1649	next if /\.pst$/;	2419	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2421	? ()
1652	push @paths, cf::map::normalise $_;	2422	: normalise $_
		2423	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2424	]
1654
1655	\@paths
1656	}	2425	}
1657		2426
1658	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
1659		2458
1660	=back	2459	=back
1661		2460
1662	=head3 cf::object	2461	=head3 cf::object
1663		2462
…		…
1667		2466
1668	=over 4	2467	=over 4
1669		2468
1670	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
1671		2470
1672	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
1673		2473
1674	=cut	2474	=cut
1675		2475
1676	sub inv_recursive_;	2476	sub inv_recursive_;
1677	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
1680		2480
1681	sub inv_recursive {	2481	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
1683	}	2483	}
1684		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
1685	package cf;	2513	package cf;
1686		2514
1687	=back	2515	=back
1688		2516
1689	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
1698		2526
1699	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
1700		2542
1701	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2544	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
1706		2548
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2550
1709	if ($self->{record_replies}) {	2551	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2553
1711	} else {	2554	} else {
		2555	my $pl = $self->contr;
		2556
		2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2558	my $dialog = $pl->{npc_dialog};
		2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2560
		2561	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2564	}
1714	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
1715	}	2576	}
1716		2577
1717	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
1718		2579
1719	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
1732		2593
1733	=item $player_object->enter_link	2594	=item $player_object->enter_link
1734		2595
1735	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
1736		2597
1737	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
1738	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
1739		2602
1740	Will never block.	2603	Will never block.
1741		2604
1742	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
1743		2606
…		…
1763	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2627	my ($self) = @_;
1765		2628
1766	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
1767		2630
		2631	++$self->{_link_recursion};
		2632
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2634
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2636	if $self->map && $self->map->{path} ne "{link}";
1772		2637
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2639	}
1775		2640
1776	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
		2643
		2644	return unless $self->contr->active;
1778		2645
1779	my $link_pos = delete $self->{_link_pos};	2646	my $link_pos = delete $self->{_link_pos};
1780		2647
1781	unless ($map) {	2648	unless ($map) {
1782	# restore original map position	2649	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
1795		2662
1796	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
1799		2666
1800	$map->load;	2667	$map->load;
1801	$map->load_diag;	2668	$map->load_neighbours;
1802		2669
1803	return unless $self->contr->active;	2670	return unless $self->contr->active;
		2671
		2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2673	if ($self->enter_map ($map, $x, $y)) {
		2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
1804	$self->activate_recursive;	2677	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2678	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2679
1822	# try to abort aborted map switching on player login :)	2680	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2681
1840	=item $player_object->goto ($path, $x, $y)	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		2683
		2684	Moves the player to the given map-path and coordinates by first freezing
		2685	her, loading and preparing them map, calling the provided $check callback
		2686	that has to return the map if sucecssful, and then unfreezes the player on
		2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
		2692
1842	=cut	2693	=cut
		2694
		2695	our $GOTOGEN;
1843		2696
1844	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
		2705
		2706	# do generation counting so two concurrent goto's will be executed in-order
		2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2708
1847	$self->enter_link;	2709	$self->enter_link;
1848		2710
1849	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
1850	my $map = eval {	2733	my $map = eval {
1851	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
		2735
		2736	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2737	$map = $map->customise_for ($self);
		2738	$map = $check->($map, $x, $y, $self) if $check && $map;
		2739	} else {
		2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	}
		2742
1853	$map	2743	$map
		2744	};
		2745
		2746	if ($@) {
		2747	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2748	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2749	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2750
		2751	if ($gen == $self->{_goto_generation}) {
		2752	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
		2754	}
		2755
		2756	$done->($self) if $done;
1858	})->prio (1);	2757	})->prio (1);
1859	}	2758	}
1860		2759
1861	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
1862		2761
…		…
1882	}	2781	}
1883		2782
1884	sub prepare_random_map {	2783	sub prepare_random_map {
1885	my ($exit) = @_;	2784	my ($exit) = @_;
1886		2785
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2788	# that depends on the exit object
1892		2789
1893	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2792	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
1900	}	2799	}
1901		2800
1902	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
1903		2802
1904	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
1907		2806
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2809	undef $fh;
1911	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
1912		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
1915	}	2818	}
1916	}	2819	}
1917		2820
1918	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
1920		2823
1921	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
1922		2825
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2826	$self->enter_link;
1933		2827
1934	(async {	2828	(async {
1935	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
1936	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
1937	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
1938		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
1939	1;	2852	1
1940	}) {	2853	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2858
1946	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
1947	$self->leave_link;	2860	$self->leave_link;
1948	}	2861	}
1949	})->prio (1);	2862	})->prio (1);
1950	}	2863	}
1951		2864
…		…
1962		2875
1963	sub cf::client::send_drawinfo {	2876	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2877	my ($self, $text, $flags) = @_;
1965		2878
1966	utf8::encode $text;	2879	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2881	}
1969		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
		2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2909
		2910	Send a drawinfo or msg packet to the client, formatting the msg for the
		2911	client if neccessary. C<$type> should be a string identifying the type of
		2912	the message, with C<log> being the default. If C<$color> is negative, suppress
		2913	the message unless the client supports the msg packet.
		2914
		2915	=cut
		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
		3031	sub cf::client::send_msg {
		3032	my ($self, $channel, $msg, $color, @extra) = @_;
		3033
		3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
		3070	=item $client->ext_msg ($type, @msg)
		3071
		3072	Sends an ext event to the client.
		3073
		3074	=cut
		3075
		3076	sub cf::client::ext_msg($$@) {
		3077	my ($self, $type, @msg) = @_;
		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
		3082	push @msg, msgtype => "event_$type";
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
1970		3104
1971	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
1972		3106
1973	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3108	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		3110
1977	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	3112	become reliable at some point in the future.
1979		3113
1980	=cut	3114	=cut
1981		3115
1982	sub cf::client::query {	3116	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3125	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3127
1994	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
1996	}	3132	}
1997		3133
1998	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
1999	on_reply => sub {	3140	on_reply => sub {
2000	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
2001		3142
2002	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
2003	# get handled first	3144	# get handled first
…		…
2015	} else {	3156	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	3158	}
2018	}	3159	}
2019	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
2020	);	3187	);
2021		3188
2022	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
2023		3190
2024	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040		3207
2041	$coro	3208	$coro
2042	}	3209	}
2043		3210
2044	cf::client->attach (	3211	cf::client->attach (
2045	on_destroy => sub {	3212	on_client_destroy => sub {
2046	my ($ns) = @_;	3213	my ($ns) = @_;
2047		3214
2048	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2049	},	3216	},
2050	);	3217	);
…		…
2065	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2067		3234
2068	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2069		3236
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2071		3242
2072	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2073		3244
2074	=pod	3245	=pod
2075		3246
2076	The following fucntions and emthods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2077		3248
2078	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
2079	cf::object::player player	3254	cf::object::player
2080	cf::player peaceful	3255	player
2081	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2082		3262
2083	=cut	3263	=cut
2084		3264
2085	for (	3265	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2087	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2089	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2090	) {	3272	) {
2091	no strict 'refs';	3273	no strict 'refs';
2092	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2093	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2111		3293
2112	my $qcode = $code;	3294	my $qcode = $code;
2113	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2114	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2115		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2116	local $_;	3301	local $_;
2117	local @safe::cf::_safe_eval_args = values %vars;
2118		3302
2119	my $eval =	3303	my $eval =
2120	"do {\n"	3304	"do {\n"
2121	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2122	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2123	. $code	3307	. $code
2124	. "\n}"	3308	. "\n}"
2125	;	3309	;
2126		3310
		3311	if ($CFG{safe_eval}) {
2127	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2128	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2129	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2130		3320
2131	if ($@) {	3321	if ($@) {
2132	warn "$@";	3322	warn "$@",
2133	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2134	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2135	}	3325	}
2136		3326
2137	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2138	}	3328	}
2139		3329
…		…
2153	=cut	3343	=cut
2154		3344
2155	sub register_script_function {	3345	sub register_script_function {
2156	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2157		3347
2158	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2159	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2160	}	3350	}
2161		3351
2162	=back	3352	=back
2163		3353
2164	=cut	3354	=cut
2165		3355
2166	#############################################################################	3356	#############################################################################
		3357	# the server's init and main functions
2167		3358
2168	=head2 EXTENSION DATABASE SUPPORT	3359	sub load_facedata($) {
		3360	my ($path) = @_;
2169		3361
2170	Crossfire maintains a very simple database for extension use. It can	3362	# HACK to clear player env face cache, we need some signal framework
2171	currently store anything that can be serialised using Storable, which	3363	# for this (global event?)
2172	excludes objects.	3364	%ext::player_env::MUSIC_FACE_CACHE = ();
2173		3365
2174	The parameter C<$family> should best start with the name of the extension	3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2175	using it, it should be unique.
2176		3367
2177	=over 4	3368	trace "loading facedata from $path\n";
2178		3369
2179	=item $hashref = cf::db_get $family	3370	my $facedata;
		3371	0 < aio_load $path, $facedata
		3372	or die "$path: $!";
2180		3373
2181	Return a hashref for use by the extension C<$family>, which can be	3374	$facedata = Coro::Storable::thaw $facedata;
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184		3375
2185	=item $value = cf::db_get $family => $key	3376	$facedata->{version} == 2
		3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2186		3378
2187	Returns a single value from the database	3379	# patch in the exptable
2188		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2189	=item cf::db_put $family => $hashref	3381	$facedata->{resource}{"res/exp_table"} = {
2190		3382	type => FT_RSRC,
2191	Stores the given family hashref into the database. Updates are delayed, if	3383	data => $exp_table,
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3384	hash => (Digest::MD5::md5 $exp_table),
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}	3385	};
		3386	cf::cede_to_tick;
2217		3387
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}	3388	{
		3389	my $faces = $facedata->{faceinfo};
2229		3390
2230	my $dirty;	3391	while (my ($face, $info) = each %$faces) {
		3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2231		3393
2232	sub db_sync() {	3394	cf::face::set_visibility $idx, $info->{visibility};
2233	db_save if $dirty;	3395	cf::face::set_magicmap $idx, $info->{magicmap};
2234	undef $dirty;	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2235	}	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2236		3398
2237	my $idle = Event->idle (	3399	cf::cede_to_tick;
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},	3400	}
2271	);
2272	}
2273		3401
2274	#############################################################################	3402	while (my ($face, $info) = each %$faces) {
2275	# the server's main()	3403	next unless $info->{smooth};
2276		3404
2277	sub cfg_load {	3405	my $idx = cf::face::find $face
		3406	or next;
		3407
		3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
		3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3411	} else {
		3412	error "smooth face '$info->{smooth}' not found for face '$face'";
		3413	}
		3414
		3415	cf::cede_to_tick;
		3416	}
		3417	}
		3418
		3419	{
		3420	my $anims = $facedata->{animinfo};
		3421
		3422	while (my ($anim, $info) = each %$anims) {
		3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3424	cf::cede_to_tick;
		3425	}
		3426
		3427	cf::anim::invalidate_all; # d'oh
		3428	}
		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
		3449	1
		3450	}
		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
		3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
		3475	load_resource_file "$MAPDIR/regions"
		3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
		3482	}
		3483
		3484	sub reload_facedata {
		3485	load_facedata "$DATADIR/facedata"
		3486	or die "unable to load facedata\n";
		3487	}
		3488
		3489	sub reload_archetypes {
		3490	load_resource_file "$DATADIR/archetypes"
		3491	or die "unable to load archetypes\n";
		3492	}
		3493
		3494	sub reload_treasures {
		3495	load_resource_file "$DATADIR/treasures"
		3496	or die "unable to load treasurelists\n";
		3497	}
		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
		3522	sub reload_resources {
		3523	trace "reloading resource files...\n";
		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
		3528	reload_regions;
		3529	reload_treasures;
		3530
		3531	trace "finished reloading resource files\n";
		3532	}
		3533
		3534	sub reload_config {
		3535	trace "reloading config file...\n";
		3536
2278	open my $fh, "<:utf8", cf::confdir . "/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2279	or return;	3538	or return;
2280		3539
2281	local $/;	3540	local $/;
2282	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2283		3542
2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2285		3544
2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2288		3547
2289	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2291	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2292	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2293	};	3552	};
2294	warn $@ if $@;	3553	warn $@ if $@;
2295	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2296	}	3585	}
2297		3586
2298	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2299	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2300	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2302	(async {	3600	(async {
2303	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2304	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2305	};	3604	};
2306		3605
2307	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
2308	db_load;	3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
		3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2309	load_extensions;	3629	load_extensions;
2310		3630
2311	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2312	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2313	}	3644	}
2314		3645
2315	#############################################################################	3646	#############################################################################
2316	# initialisation and cleanup	3647	# initialisation and cleanup
2317		3648
2318	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2319	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2320	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2321	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2322	reentrant => 0,
2323	data => WF_AUTOCANCEL,
2324	signal => $signal,
2325	prio => 0,
2326	cb => sub {
2327	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2328	},
2329	);	3655	};
		3656	}
		3657	}
		3658
		3659	sub write_runtime_sync {
		3660	my $t0 = AE::time;
		3661
		3662	# first touch the runtime file to show we are still running:
		3663	# the fsync below can take a very very long time.
		3664
		3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3666
		3667	my $guard = cf::lock_acquire "write_runtime";
		3668
		3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3670	or return;
		3671
		3672	my $value = $cf::RUNTIME + 90 + 10;
		3673	# 10 is the runtime save interval, for a monotonic clock
		3674	# 60 allows for the watchdog to kill the server.
		3675
		3676	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3677	and return;
		3678
		3679	# always fsync - this file is important
		3680	aio_fsync $fh
		3681	and return;
		3682
		3683	# touch it again to show we are up-to-date
		3684	aio_utime $fh, undef, undef;
		3685
		3686	close $fh
		3687	or return;
		3688
		3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3690	and return;
		3691
		3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3693
2330	}	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2331	}	3745	}
2332		3746
2333	sub emergency_save() {	3747	sub emergency_save() {
2334	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2335		3749
2336	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2337		3751
2338	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2339	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2340	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2341	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2342	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2343	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2344	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2345	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2346	$pl->save;	3766	$pl->save;
2347	}	3767	}
2348	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2349		3769
2350	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2351	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2352	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2353	$map->valid or next;	3773	$map->valid or next;
2354	$map->save;	3774	$map->save;
2355	}	3775	}
2356	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
		3777
		3778	info "emergency_perl_save: begin database checkpoint\n";
		3779	BDB::db_env_txn_checkpoint $DB_ENV;
		3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2357	};	3785	};
2358		3786
2359	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
2360	}	3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
2361		3791
		3792	info "emergency_perl_save: leave\n";
		3793	}
		3794
		3795	sub post_cleanup {
		3796	my ($make_core) = @_;
		3797
		3798	error Carp::longmess "post_cleanup backtrace"
		3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
		3828	}
		3829
2362	sub reload() {	3830	sub do_reload_perl() {
2363	# can/must only be called in main	3831	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2365	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2366	return;	3834	return;
2367	}	3835	}
2368		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2369	warn "reloading...";	3842	info "reloading...";
2370		3843
2371	warn "cancelling server ticker";	3844	trace "entering sync_job";
2372	$TICK_WATCHER->cancel;
2373		3845
		3846	cf::sync_job {
		3847	cf::write_runtime_sync; # external watchdog should not bark
2374	cf::emergency_save;	3848	cf::emergency_save;
		3849	cf::write_runtime_sync; # external watchdog should not bark
2375		3850
2376	eval {	3851	trace "syncing database to disk";
		3852	BDB::db_env_txn_checkpoint $DB_ENV;
		3853
2377	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2378		3855
2379	warn "syncing database to disk";
2380	cf::db_sync;
2381
2382	warn "cancelling all WF_AUTOCANCEL watchers";
2383	for (Event::all_watchers) {
2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2385	}
2386
2387	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2388	for (;;) {	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2389	IO::AIO::flush;	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2390	Coro::cede;
2391	last unless IO::AIO::nreqs;
2392	warn "iterate...";
2393	}
2394
2395	warn "cancelling all extension coros";
2396	$_->cancel for values %EXT_CORO;
2397	%EXT_CORO = ();
2398
2399	warn "removing commands";
2400	%COMMAND = ();
2401
2402	warn "removing ext commands";
2403	%EXTCMD = ();
2404
2405	warn "unloading/nuking all extensions";
2406	for my $pkg (@EXTS) {
2407	warn "... unloading $pkg";
2408
2409	if (my $cb = $pkg->can ("unload")) {
2410	eval {
2411	$cb->($pkg);
2412	1
2413	} or warn "$pkg unloaded, but with errors: $@";
2414	}	3859	}
2415		3860
2416	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2417	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2418	}	3863	%EXT_CORO = ();
2419		3864
2420	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2421	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2423		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2424	warn "... unloading $k";	3874	trace "... unloading $pkg";
2425	delete $INC{$k};
2426		3875
2427	$k =~ s/\.pm$//;
2428	$k =~ s/\//::/g;
2429
2430	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2431	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2432	}	3885	}
2433		3886
2434	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
2435	}	3902	}
2436		3903
2437	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2438	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2440		3907
2441	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2442	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
		3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2443		3911
2444	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2445	# and global variables created in xs	3913	# and global variables created in xs
2446	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2447		3915
2448	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
2449		3917
2450	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2451	require cf;	3919	require cf;
2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2453		3921
2454	warn "loading config and database again";	3922	trace "loading config and database again";
2455	cf::cfg_load;	3923	cf::reload_config;
2456	cf::db_load;
2457		3924
2458	warn "loading extensions";	3925	trace "loading extensions";
2459	cf::load_extensions;	3926	cf::load_extensions;
2460		3927
		3928	if ($REATTACH_ON_RELOAD) {
2461	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
2462	_global_reattach;	3930	_global_reattach; # objects, sockets
2463	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
2464	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
		3933	trace "reattaching attachments to players";
		3934	reattach $_ for values %PLAYER;
		3935	}
2465		3936
2466	warn "restarting server ticker";	3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
2467		3939
2468	$TICK_WATCHER->start;	3940	trace "leaving sync_job";
		3941
		3942	1
		3943	} or do {
		3944	error $@;
		3945	cf::cleanup "error while reloading, exiting.";
		3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
		3950	}
		3951
		3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
		3954	};
		3955
		3956	our $RELOAD_WATCHER; # used only during reload
		3957
		3958	sub reload_perl() {
		3959	# doing reload synchronously and two reloads happen back-to-back,
		3960	# coro crashes during coro_state_free->destroy here.
		3961
		3962	$RELOAD_WATCHER ||= cf::async {
		3963	Coro::AIO::aio_wait cache_extensions;
		3964
		3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3966	do_reload_perl;
		3967	undef $RELOAD_WATCHER;
		3968	};
2469	};	3969	};
2470		3970	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		3971
2482	register_command "reload" => sub {	3972	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2484		3974
2485	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
2487		3977	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	3978	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	3979	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	3980	};
2500	}	3981	}
2501	};	3982	};
2502		3983
2503	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2504		3985
2505	my $bug_warning = 0;	3986	my $bug_warning = 0;
2506		3987
2507	$TICK_WATCHER = Event->timer (	3988	our @WAIT_FOR_TICK;
2508	reentrant => 0,	3989	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	3990
2510	prio => 0,	3991	sub wait_for_tick {
2511	at => $NEXT_TICK || $TICK,	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	3993
2513	cb => sub {	3994	my $signal = new Coro::Signal;
		3995	push @WAIT_FOR_TICK, $signal;
		3996	$signal->wait;
		3997	}
		3998
		3999	sub wait_for_tick_begin {
		4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4001
		4002	my $signal = new Coro::Signal;
		4003	push @WAIT_FOR_TICK_BEGIN, $signal;
		4004	$signal->wait;
		4005	}
		4006
		4007	sub tick {
2514	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
2517	return;	4011	return;
2518	}	4012	}
2519		4013
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		4015
2526	$WAIT_FOR_TICK->broadcast;	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4017
2529	Event::sweep;	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2530	Coro::cede_notself;	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4020	Coro::async_pool {
		4021	$Coro::current->{desc} = "runtime saver";
		4022	write_runtime_sync
		4023	or error "ERROR: unable to write runtime file: $!";
		4024	};
		4025	}
		4026
		4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4028	$sig->send;
		4029	}
		4030	while (my $sig = shift @WAIT_FOR_TICK) {
		4031	$sig->send;
		4032	}
		4033
		4034	$LOAD = ($NOW - $TICK_START) / $TICK;
		4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4036
		4037	if (0) {
		4038	if ($NEXT_TICK) {
		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
2531		4042	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	4043	}
2541	);	4044	}
2542		4045
		4046	{
		4047	# configure BDB
		4048
		4049	BDB::min_parallel 16;
		4050	BDB::max_poll_reqs $TICK * 0.1;
		4051	$AnyEvent::BDB::WATCHER->priority (1);
		4052
		4053	unless ($DB_ENV) {
		4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4060
		4061	cf::sync_job {
		4062	eval {
		4063	BDB::db_env_open
		4064	$DB_ENV,
		4065	$BDBDIR,
		4066	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4067	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4068	0666;
		4069
		4070	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4071	};
		4072
		4073	cf::cleanup "db_env_open(db): $@" if $@;
		4074	};
		4075	}
		4076
		4077	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4078	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4079	};
		4080	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4081	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4082	};
		4083	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4084	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4085	};
		4086	}
		4087
		4088	{
		4089	# configure IO::AIO
		4090
		4091	IO::AIO::min_parallel 8;
2543	IO::AIO::max_poll_time $TICK * 0.1;	4092	IO::AIO::max_poll_time $TICK * 0.1;
		4093	undef $AnyEvent::AIO::WATCHER;
		4094	}
2544		4095
2545	undef $Coro::AIO::WATCHER;	4096	my $_log_backtrace;
2546	$AIO_POLL_WATCHER = Event->io (
2547	reentrant => 0,
2548	fd => IO::AIO::poll_fileno,
2549	poll => 'r',
2550	prio => 6,
2551	data => WF_AUTOCANCEL,
2552	cb => \&IO::AIO::poll_cb,
2553	);
2554		4097
2555	$WRITE_RUNTIME_WATCHER = Event->timer (	4098	sub _log_backtrace {
2556	reentrant => 0,	4099	my ($msg, @addr) = @_;
2557	data => WF_AUTOCANCEL,	4100
2558	after => 1,	4101	$msg =~ s/\n//;
2559	interval => 10,	4102
2560	prio => 6, # keep it lowest so it acts like a watchdog	4103	# limit the # of concurrent backtraces
2561	cb => Coro::unblock_sub {	4104	if ($_log_backtrace < 2) {
2562	write_runtime	4105	++$_log_backtrace;
2563	or warn "ERROR: unable to write runtime file: $!";	4106	my $perl_bt = Carp::longmess $msg;
		4107	async {
		4108	$Coro::current->{desc} = "abt $msg";
		4109
		4110	my @bt = fork_call {
		4111	@addr = map { sprintf "%x", $_ } @addr;
		4112	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4113	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4114	or die "addr2line: $!";
		4115
		4116	my @funcs;
		4117	my @res = <$fh>;
		4118	chomp for @res;
		4119	while (@res) {
		4120	my ($func, $line) = splice @res, 0, 2, ();
		4121	push @funcs, "[$func] $line";
		4122	}
		4123
		4124	@funcs
		4125	};
		4126
		4127	LOG llevInfo, "[ABT] $perl_bt\n";
		4128	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4129	LOG llevInfo, "[ABT] $_\n" for @bt;
		4130	--$_log_backtrace;
		4131	};
		4132	} else {
		4133	LOG llevInfo, "[ABT] $msg\n";
		4134	LOG llevInfo, "[ABT] [suppressed]\n";
2564	},	4135	}
2565	);	4136	}
		4137
		4138	# load additional modules
		4139	require "cf/$_.pm" for @EXTRA_MODULES;
		4140	cf::_connect_to_perl_2;
2566		4141
2567	END { cf::emergency_save }	4142	END { cf::emergency_save }
2568		4143
2569	1	4144	1
2570		4145

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