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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		80
40	our %COMMAND = ();	81	our %COMMAND = ();
41	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
42		83
43	our @EXTS = (); # list of extension package names	84	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
47		89
		90	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	91	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
50		94
51	our $TICK = MAX_TIME * 1e-6;	95	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	96	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	97	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	98	our $PODDIR = "$DATADIR/pod";
		99	our $MAPDIR = "$DATADIR/" . mapdir;
		100	our $LOCALDIR = localdir;
		101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		104	our $RANDOMDIR = "$LOCALDIR/random";
		105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
		116
		117	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	119	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
61		128
62	our %CFG;	129	our %CFG;
63		130
64	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
66		134
67	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	137	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		138
76	# used to convert map paths into valid unix filenames by replacing / by ∕	139	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		141
		142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
		145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
		151
79	binmode STDOUT;	152	binmode STDOUT;
80	binmode STDERR;	153	binmode STDERR;
81		154
82	# read virtual server time, if available	155	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	157	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
87	}	160	}
88		161
89	mkdir cf::localdir;	162	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	163
91	mkdir cf::localdir . "/" . cf::tmpdir;	164	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		166
96	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
97		168
98	sub cf::map::normalise;	169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		185
100	#############################################################################	186	#############################################################################
101		187
102	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
103		189
…		…
110	=item $cf::RUNTIME	196	=item $cf::RUNTIME
111		197
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	198	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	199	every server tick.
114		200
115	=item $cf::LIBDIR	201	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		202	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		203	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		204
117	The perl library directory, where extensions and cf-specific modules can	205	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	206	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		207	unique-items directory, player file directory, random maps directory and
		208	database environment.
119		209
120	=item $cf::NOW	210	=item $cf::NOW
121		211
122	The time of the last (current) server tick.	212	The time of the last (current) server tick.
123		213
124	=item $cf::TICK	214	=item $cf::TICK
125		215
126	The interval between server ticks, in seconds.	216	The interval between server ticks, in seconds.
127		217
		218	=item $cf::LOADAVG
		219
		220	The current CPU load on the server (alpha-smoothed), as a value between 0
		221	(none) and 1 (overloaded), indicating how much time is spent on processing
		222	objects per tick. Healthy values are < 0.5.
		223
		224	=item $cf::LOAD
		225
		226	The raw value load value from the last tick.
		227
128	=item %cf::CFG	228	=item %cf::CFG
129		229
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	231	from wherever your confdir points to.
132		232
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		234
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	235	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	236	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	237	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
139		250
140	=back	251	=back
141		252
142	=cut	253	=cut
143		254
144	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	262	my $msg = join "", @_;
147	utf8::encode $msg;
148		263
149	$msg .= "\n"	264	$msg .= "\n"
150	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
151		266
		267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		268
152	LOG llevError, $msg;	269	LOG llevWarn, $msg;
153	};	270	};
154	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
155		285
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	290	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		291	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	292	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		293
163	# we bless all objects into (empty) derived classes to force a method lookup	294	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	295	# within the Safe compartment.
165	for my $pkg (qw(	296	for my $pkg (qw(
166	cf::global cf::attachable	297	cf::global cf::attachable
167	cf::object cf::object::player	298	cf::object cf::object::player
168	cf::client cf::player	299	cf::client cf::player
169	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
170	cf::map cf::party cf::region	302	cf::party cf::region
171	)) {	303	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	305	}
175		306
176	$Event::DIED = sub {	307	$EV::DIED = sub {
177	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
178	};	309	};
		310
		311	#############################################################################
179		312
180	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
181		314
182	=over 4	315	=over 4
183		316
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	336	$d
204	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
205	}	338	}
206		339
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
210		341
211	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
212		343
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
221		345
222	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
223		347
224	=cut	348	=cut
225		349
226	sub to_json($) {	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	351
228	JSON::Syck::Dump $_[0]	352	sub encode_json($) { $json_coder->encode ($_[0]) }
		353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
229	}	367	}
230		368
231	=item cf::lock_wait $string	369	=item cf::lock_wait $string
232		370
233	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
234		372
235	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
236		374
237	Wait until the given lock is available and then acquires it and returns	375	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	376	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
240	returned.	378	returned.
241		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
242	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
244		385
245	=cut	386	=item $locked = cf::lock_active $string
246		387
247	our %LOCK;	388	Return true if the lock is currently active, i.e. somebody has locked it.
		389
		390	=cut
		391
		392	our $LOCKS = new Coro::SemaphoreSet;
248		393
249	sub lock_wait($) {	394	sub lock_wait($) {
250	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	396	}
258		397
259	sub lock_acquire($) {	398	sub lock_acquire($) {
260	my ($key) = @_;	399	$LOCKS->guard ($_[0])
		400	}
261		401
262	# wait, to be sure we are not locked	402	sub lock_active($) {
263	lock_wait $key;	403	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	404	}
272		405
273	sub freeze_mainloop {	406	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
275		408
276	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	410	}
278	$WRITE_RUNTIME_WATCHER->start;	411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
279	};	476	}
280	$WRITE_RUNTIME_WATCHER->stop;	477	};
281	$TICK_WATCHER->stop;	478
282	$guard	479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
283	}	492	}
284		493
285	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
286		495
287	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		501
293	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
294		503
295	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
296		505
297	The design of crossfire+ requires that the main coro ($Coro::main) is	506	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	507	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		509	acceptable.
300		510
301	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	513	server will be frozen during this time, so the block should either finish
304	fast or be very important.	514	fast or be very important.
…		…
306	=cut	516	=cut
307		517
308	sub sync_job(&) {	518	sub sync_job(&) {
309	my ($job) = @_;	519	my ($job) = @_;
310		520
311	if ($Coro::current == $Coro::main) {	521	if (in_main) {
		522	my $time = AE::time;
		523
312	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
314		526
315	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	528
317	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
318		530
319	my $busy = 1;	531	my $busy = 1;
320	my @res;	532	my @res;
321		533
322	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	536	@res = eval { $job->() };
324	warn $@ if $@;	537	error $@ if $@;
325	undef $busy;	538	undef $busy;
326	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
327		540
328	while ($busy) {	541	while ($busy) {
329	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
330	}	546	}
		547	}
		548
		549	my $time = AE::time - $time;
		550
		551	$TICK_START += $time; # do not account sync jobs to server load
331		552
332	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
333	} else {	554	} else {
334	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
335		556
…		…
355	$EXT_CORO{$coro+0} = $coro;	576	$EXT_CORO{$coro+0} = $coro;
356		577
357	$coro	578	$coro
358	}	579	}
359		580
360	sub write_runtime {	581	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		582
363	my $runtime = cf::localdir . "/runtime";	583	Executes the given code block with the given arguments in a seperate
		584	process, returning the results. Everything must be serialisable with
		585	Coro::Storable. May, of course, block. Note that the executed sub may
		586	never block itself or use any form of event handling.
364		587
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	588	=cut
366	or return;
367		589
368	my $value = $cf::RUNTIME + 90 + 10;	590	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	591	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		592
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	593	# we seemingly have to make a local copy of the whole thing,
373	and return;	594	# otherwise perl prematurely frees the stuff :/
		595	# TODO: investigate and fix (likely this will be rather laborious)
374		596
375	# always fsync - this file is important	597	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	598	reset_signals;
377	and return;	599	&$cb
		600	}, @args;
378		601
379	close $fh	602	wantarray ? @res : $res[-1]
380	or return;	603	}
381		604
382	aio_rename "$runtime~", $runtime	605	sub objinfo {
383	and return;
384
385	1	606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
		641	}
		642
		643	=item $value = cf::db_get $family => $key
		644
		645	Returns a single value from the environment database.
		646
		647	=item cf::db_put $family => $key => $value
		648
		649	Stores the given C<$value> in the family. It can currently store binary
		650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
		657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
		678
		679	our $DB;
		680
		681	sub db_init {
		682	$DB ||= db_table "db";
		683	}
		684
		685	sub db_get($$) {
		686	my $key = "$_[0]/$_[1]";
		687
		688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
		691	BDB::db_get $DB, undef, $key, my $data;
		692
		693	$! ? ()
		694	: $data
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
		770	}
		771
		772	=item cf::datalog type => key => value, ...
		773
		774	Log a datalog packet of the given type with the given key-value pairs.
		775
		776	=cut
		777
		778	sub datalog($@) {
		779	my ($type, %kv) = @_;
		780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	781	}
387		782
388	=back	783	=back
389		784
390	=cut	785	=cut
391		786
392	#############################################################################	787	#############################################################################
393		788
394	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
395		790
396	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
397	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")
398	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
399		794
400	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>
401	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
402	crossfire+).	797	Deliantra).
403		798
404	=over 4	799	=over 4
405		800
406	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
407		802
…		…
451	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
452		847
453	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
454	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
455		850
456	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
457	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.
458		853
459	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
460		855
461	=over 4	856	=over 4
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
571		966
572	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		971
577	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	973	my $pkg = shift @arg;
579		974
580	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
585		980
586	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
587	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
588		983
589	} elsif (ref $type) {	984	} elsif (ref $type) {
590	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
591		986
592	} else {	987	} else {
593	shift @arg;	988	shift @arg;
594	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
595	}	990	}
596	}	991	}
597	}	992	}
598		993
599	sub _object_attach {	994	sub _object_attach {
…		…
609	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
610	}	1005	}
611		1006
612	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
613	} else {	1008	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
615	}	1010	}
616		1011
617	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
618	}	1013	}
619		1014
…		…
621	if (ref $_[0]) {	1016	if (ref $_[0]) {
622	_object_attach @_;	1017	_object_attach @_;
623	} else {	1018	} else {
624	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
625	}	1020	}
		1021	_recalc_want;
626	};	1022	};
627		1023
628	# all those should be optimised	1024	# all those should be optimised
629	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
634	reattach ($obj);	1030	reattach ($obj);
635	} else {	1031	} else {
636	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
637	}	1033	}
		1034	_recalc_want;
638	};	1035	};
639		1036
640	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
642		1039
…		…
657	";	1054	";
658	die if $@;	1055	die if $@;
659	}	1056	}
660		1057
661	our $override;	1058	our $override;
662	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?
663		1060
664	sub override {	1061	sub override {
665	$override = 1;	1062	$override = 1;
666	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
667	}	1064	}
668		1065
669	sub do_invoke {	1066	sub do_invoke {
670	my $event = shift;	1067	my $event = shift;
671	my $callbacks = shift;	1068	my $callbacks = shift;
672		1069
673	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
674		1071
675	local $override;	1072	local $override;
676		1073
677	for (@$callbacks) {	1074	for (@$callbacks) {
678	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
679		1076
680	if ($@) {	1077	if ($@) {
681	warn "$@";
682	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
683	override;	1079	override;
684	}	1080	}
685		1081
686	return 1 if $override;	1082	return 1 if $override;
687	}	1083	}
688		1084
689	0	1085	0
690	}	1086	}
691		1087
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		1089
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1091
696	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
697		1093
698	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
699	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
700	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1097
702	=back	1098	=back
703		1099
704	=cut	1100	=cut
705		1101
706	#############################################################################	1102	#############################################################################
707	# 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, $ob2
		1145	}
708		1146
709	sub reattach {	1147	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1149	my ($obj) = @_;
712		1150
		1151	# no longer needed after getting rid of delete_package?
713	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
714		1153
715	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
716		1155
717	@$registry = ();	1156	@$registry = ();
718		1157
…		…
723	for (@$attach) {	1162	for (@$attach) {
724	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
725	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
726	}	1165	}
727	} else {	1166	} else {
728	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
729	}	1168	}
730	}	1169	}
731	}	1170	}
732		1171
733	cf::attachable->attach (	1172	cf::attachable->attach (
734	prio => -1000000,	1173	prio => -1000000,
735	on_instantiate => sub {	1174	on_instantiate => sub {
736	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
737		1176
738	$data = from_json $data;	1177	$data = decode_json $data;
739		1178
740	for (@$data) {	1179	for (@$data) {
741	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
742		1181
743	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1198	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
761		1200
762	sync_job {	1201	sync_job {
763	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
766		1207
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1213	aio_fsync $fh;
		1214	}
771	close $fh;	1215	aio_close $fh;
772		1216
773	if (@$objs) {	1217	if (@$objs) {
774	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) {
775	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
779	close $fh;	1226	aio_close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
781	}	1228	}
782	} else {	1229	} else {
783	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
784	}	1231	}
785		1232
786	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
787	} else {	1237	} else {
788	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
789	}	1239	}
790	} else {	1240	} else {
791	aio_unlink $filename;	1241	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
793	}	1243	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1244	};
801	}	1245	}
802		1246
803	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
805		1249
…		…
810		1254
811	sub object_thawer_load {	1255	sub object_thawer_load {
812	my ($filename) = @_;	1256	my ($filename) = @_;
813		1257
814	my ($data, $av);	1258	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1259
819	(aio_load $filename, $data) >= 0	1260	(aio_load $filename, $data) >= 0
820	or return;	1261	or return;
821		1262
822	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
824	or return;	1265	or return;
		1266
825	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
826	}	1269	}
827		1270
		1271	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
830	return ($data, $av);	1276	($data, $av)
831	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
832		1284
833	#############################################################################	1285	#############################################################################
834	# command handling &c	1286	# command handling &c
835		1287
836	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1302	}
851		1303
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1305
854	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.
855		1311
856	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
857	called.	1313	called.
858		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
859	=cut	1326	=cut
860		1327
861	sub register_extcmd {	1328	sub register_extcmd {
862	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
863		1330
864	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
865	}	1332	}
866		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
867	cf::player->attach (	1342	cf::player->attach (
868	on_command => sub {	1343	on_unknown_command => sub {
869	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
870		1345
871	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
872	or return;	1347	or return;
873		1348
…		…
878	cf::override;	1353	cf::override;
879	},	1354	},
880	on_extcmd => sub {	1355	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
882		1357
883	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1359
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
891	} else {	1375	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1377	}
894		1378
895	cf::override;	1379	cf::override;
896	},	1380	},
897	);	1381	);
898		1382
		1383	# "readahead" all extensions
899	sub load_extension {	1384	sub cache_extensions {
900	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
901		1386
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
903	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
904	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}	1390	}
927	die $@;
928	}	1391	};
929		1392
930	push @EXTS, $pkg;	1393	$grp
931	}	1394	}
932		1395
933	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
934	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1403	next unless -r $path;
936	eval {	1404
937	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use common::sense;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1457	if exists $v->{meta}{mandatory};
		1458
		1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1460	delete $todo{$k};
		1461	} else {
		1462	$done{$k} = delete $todo{$k};
		1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
		1468	}
938	1	1469	}
939	} or warn "$ext not loaded: $@";	1470
		1471	unless ($progress) {
		1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
		1479	}
940	}	1480	};
941	}	1481	}
942		1482
943	#############################################################################	1483	#############################################################################
944		1484
		1485	=back
		1486
945	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
946		1488
947	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
948		1490
949	=cut	1491	=cut
950		1492
951	package cf::player;	1493	package cf::player;
952		1494
…		…
954		1496
955	=head3 cf::player	1497	=head3 cf::player
956		1498
957	=over 4	1499	=over 4
958		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
		1514
959	=item cf::player::find $login	1515	=item cf::player::find $login
960		1516
961	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
962		1518
963	=cut	1519	=cut
964		1520
965	sub playerdir($) {	1521	sub playerdir($) {
966	cf::localdir	1522	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1523	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1524	}
972		1525
973	sub path($) {	1526	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1527	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1528
976	(playerdir $login) . "/$login.pl"	1529	(playerdir $login) . "/playerdata"
977	}	1530	}
978		1531
979	sub find_active($) {	1532	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1533	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1534	and $cf::PLAYER{$_[0]}->active
…		…
984		1537
985	sub exists($) {	1538	sub exists($) {
986	my ($login) = @_;	1539	my ($login) = @_;
987		1540
988	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
989	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
990	}	1543	}
991		1544
992	sub find($) {	1545	sub find($) {
993	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
994	my $login = $_[0];	1547	my $login = $_[0];
995		1548
996	my $guard = cf::lock_acquire "user_find:$login";	1549	my $guard = cf::lock_acquire "user_find:$login";
997		1550
998	$cf::PLAYER{$_[0]} || do {	1551	$cf::PLAYER{$_[0]} || do {
999	my $pl = load_pl path $login	1552	# rename old playerfiles to new ones
		1553	#TODO: remove when no longer required
		1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1557	aio_unlink +(playerdir $login) . "/$login.pl";
		1558
		1559	my $f = new_from_file cf::object::thawer path $login
1000	or return;	1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
1001	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
1002	}	1568	}
1003	}	1569	}
1004	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
1005		1584
1006	sub save($) {	1585	sub save($) {
1007	my ($pl) = @_;	1586	my ($pl) = @_;
1008		1587
1009	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1014	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1015		1594
1016	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1018		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
1019	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1020	Coro::cede;	1604	cf::cede_to_tick;
1021	}	1605	}
1022		1606
1023	sub new($) {	1607	sub new($) {
1024	my ($login) = @_;	1608	my ($login) = @_;
1025		1609
…		…
1031	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1032		1616
1033	$self	1617	$self
1034	}	1618	}
1035		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
1036	=item $pl->quit_character	1630	=item $pl->quit_character
1037		1631
1038	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1040		1634
1041	=cut	1635	=cut
1042		1636
1043	sub quit_character {	1637	sub quit_character {
1044	my ($pl) = @_;	1638	my ($pl) = @_;
1045		1639
		1640	my $name = $pl->ob->name;
		1641
1046	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1048		1644
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1052	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1053		1650
1054	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1653	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1654	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1655	$pl->destroy;
		1656
		1657	my $prefix = qr<^~\Q$name\E/>;
		1658
		1659	# nuke player maps
		1660	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1661
1059	IO::AIO::aio_rmtree $temp;	1662	IO::AIO::aio_rmtree $temp;
		1663	}
		1664
		1665	=item $pl->kick
		1666
		1667	Kicks a player out of the game. This destroys the connection.
		1668
		1669	=cut
		1670
		1671	sub kick {
		1672	my ($pl, $kicker) = @_;
		1673
		1674	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1675	$pl->killer ("kicked");
		1676	$pl->ns->destroy;
1060	}	1677	}
1061		1678
1062	=item cf::player::list_logins	1679	=item cf::player::list_logins
1063		1680
1064	Returns am arrayref of all valid playernames in the system, can take a	1681	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1682	while and may block, so not sync_job-capable, ever.
1066		1683
1067	=cut	1684	=cut
1068		1685
1069	sub list_logins {	1686	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1687	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1688	or return [];
1072		1689
1073	my @logins;	1690	my @logins;
1074		1691
1075	for my $login (@$dirs) {	1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1079		1702
1080	utf8::decode $login;	1703	utf8::decode $login;
1081	push @logins, $login;	1704	push @logins, $login;
1082	}	1705	}
1083		1706
1084	\@logins	1707	\@logins
1085	}	1708	}
1086		1709
1087	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1088		1713
1089	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1090	player. May block.	1715	player. May block.
1091		1716
1092	=cut	1717	=cut
…		…
1110	}	1735	}
1111		1736
1112	\@paths	1737	\@paths
1113	}	1738	}
1114		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1116		1745
1117	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1118		1747
1119	=cut	1748	=cut
1120		1749
1121	sub ext_reply($$$%) {	1750	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1123		1752
1124	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1754	}
1128		1755
1129	package cf;	1756	=item $player->ext_msg ($type, @msg)
		1757
		1758	Sends an ext event to the client.
		1759
		1760	=cut
		1761
		1762	sub ext_msg($$@) {
		1763	my ($self, $type, @msg) = @_;
		1764
		1765	$self->ns->ext_msg ($type, @msg);
		1766	}
		1767
		1768	=head3 cf::region
		1769
		1770	=over 4
		1771
		1772	=cut
		1773
		1774	package cf::region;
		1775
		1776	=item cf::region::find_by_path $path
		1777
		1778	Tries to decuce the likely region for a map knowing only its path.
		1779
		1780	=cut
		1781
		1782	sub find_by_path($) {
		1783	my ($path) = @_;
		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
		1787	my ($match, $specificity);
		1788
		1789	for my $region (list) {
		1790	if ($region->{match} && $path =~ $region->{match}) {
		1791	($match, $specificity) = ($region, $region->specificity)
		1792	if $region->specificity > $specificity;
		1793	}
		1794	}
		1795
		1796	$match
		1797	}
1130		1798
1131	=back	1799	=back
1132
1133		1800
1134	=head3 cf::map	1801	=head3 cf::map
1135		1802
1136	=over 4	1803	=over 4
1137		1804
…		…
1149	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1151		1818
1152	sub generate_random_map {	1819	sub generate_random_map {
1153	my ($self, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1823
1154	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1155	$self->_create_random_map (	1825	$self->_create_random_map (
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1159	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1160	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1177		1847
1178	sub register {	1848	sub register {
1179	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1180	my $pkg = caller;	1850	my $pkg = caller;
1181		1851
1182	no strict;
1183	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1184		1853
1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1186	}	1855	}
1187		1856
1188	# also paths starting with '/'	1857	# also paths starting with '/'
1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1190		1859
1191	sub thawer_merge {	1860	sub thawer_merge {
1192	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1193		1862
1194	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1195	local $self->{path};	1864	local $self->{path};
1196	local $self->{load_path};	1865	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1866
1200	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1201	}	1868	}
1202		1869
1203	sub normalise {	1870	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1251	return $self;	1918	return $self;
1252	}	1919	}
1253	}	1920	}
1254		1921
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1923	()
1257	}	1924	}
1258		1925
1259	sub init {	1926	sub init {
1260	my ($self) = @_;	1927	my ($self) = @_;
…		…
1275		1942
1276	# the original (read-only) location	1943	# the original (read-only) location
1277	sub load_path {	1944	sub load_path {
1278	my ($self) = @_;	1945	my ($self) = @_;
1279		1946
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1281	}	1948	}
1282		1949
1283	# the temporary/swap location	1950	# the temporary/swap location
1284	sub save_path {	1951	sub save_path {
1285	my ($self) = @_;	1952	my ($self) = @_;
1286		1953
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1289	}	1956	}
1290		1957
1291	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1292	sub uniq_path {	1959	sub uniq_path {
1293	my ($self) = @_;	1960	my ($self) = @_;
1294		1961
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1297	}	1964	}
1298		1965
1299	# and all this just because we cannot iterate over	1966	sub decay_objects {
1300	# all maps in C++...
1301	sub change_all_map_light {
1302	my ($change) = @_;	1967	my ($self) = @_;
1303		1968
1304	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1305	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1306	}	1972	}
1307		1973
1308	sub unlink_save {	1974	sub unlink_save {
1309	my ($self) = @_;	1975	my ($self) = @_;
1310		1976
1311	utf8::encode (my $save = $self->save_path);	1977	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1978	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1980	}
1320		1981
1321	sub load_header_from($) {	1982	sub load_header_from($) {
1322	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1323		1984
1324	utf8::encode $path;	1985	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	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;
1330		1994
1331	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1332		1996
1333	1	1997	1
1334	}	1998	}
…		…
1373	$self->load_header_orig	2037	$self->load_header_orig
1374	or return;	2038	or return;
1375	$self->prepare_orig;	2039	$self->prepare_orig;
1376	}	2040	}
1377		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
1378	1	2048	1
1379	}	2049	}
1380		2050
1381	sub find;	2051	sub find;
1382	sub find {	2052	sub find {
1383	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1384		2054
1385	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1386		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1388		2059
1389	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";
1391	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1392	or return;	2062	or return;
1393		2063
1394	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1395		2065
1396	$map->load_header	2066	$map->load_header
1397	or return;	2067	or return;
1398		2068
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1402	$map->reset;	2074	$map->reset;
1403	undef $guard;
1404	return find $path;	2075	return find $path;
1405	}	2076	}
1406		2077
1407	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1408	}	2079	}
1409	}	2080	}
1410		2081
1411	sub pre_load { }	2082	sub pre_load { }
1412	sub post_load { }	2083	#sub post_load { } # XS
1413		2084
1414	sub load {	2085	sub load {
1415	my ($self) = @_;	2086	my ($self) = @_;
1416		2087
1417	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1418		2089
1419	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1421		2094
		2095	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		2097
1424	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1425		2099
1426	$self->alloc;	2100	$self->alloc;
1427		2101
1428	$self->pre_load;	2102	$self->pre_load;
		2103	cf::cede_to_tick;
1429		2104
1430	$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)
1431	or return;	2108	or return;
1432		2109
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1434	if delete $self->{load_original};	2111	if delete $self->{load_original};
1435		2112
1436	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2114	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2117	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1441	}	2121	}
1442	}	2122	}
1443		2123
1444	Coro::cede;	2124	$f->resolve_delayed_derefs;
1445		2125
		2126	cf::cede_to_tick;
1446	# now do the right thing for maps	2127	# now do the right thing for maps
1447	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2130	unless $self->difficulty;
1457	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;
1458	$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);
1459	}	2145	}
1460		2146
1461	$self->post_load;	2147	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2148	}
1465		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
1466	sub customise_for {	2153	sub customise_for {
1467	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1468		2155
1469	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2157	if $self->per_player;
1471		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1472	$self	2162	$self
1473	}	2163	}
1474		2164
1475	# 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
1476	sub load_diag {	2166	sub load_neighbours {
1477	my ($map) = @_;	2167	my ($map) = @_;
1478		2168
1479	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1480		2170
1481	for (0 .. 3) {	2171	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1483	or next;	2173	or next;
1484	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1485	or next;	2175	or next;
1486	$neigh->load;	2176	$neigh->load;
1487		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2182	}
1491		2183
1492	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1494	or next;	2187	or next;
1495	$neigh->load;	2188	$neigh->load;
1496	}	2189	}
1497	}	2190	}
1498		2191
1499	sub find_sync {	2192	sub find_sync {
1500	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1501		2194
1502	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1503	}	2199	}
1504		2200
1505	sub do_load_sync {	2201	sub do_load_sync {
1506	my ($map) = @_;	2202	my ($map) = @_;
1507		2203
1508	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
1509	}	2208	}
1510		2209
1511	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1513		2212
1514	sub find_async {	2213	sub find_async {
1515	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1516		2215
1517	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1518		2217
1519	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2220	}
1522		2221
1523	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1524	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1525	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2229	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2230	$map->load if $v;
		2231	}
1530		2232
1531	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1532	}	2234	}
1533	}	2235	}
1534	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1535	};	2237	};
1536	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1537		2239
1538	()	2240	()
1539	}	2241	}
1540		2242
		2243	# common code, used by both ->save and ->swapout
1541	sub save {	2244	sub _save {
1542	my ($self) = @_;	2245	my ($self) = @_;
1543
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1545		2246
1546	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1547		2248
1548	return unless $self->dirty;	2249	return unless $self->dirty;
1549		2250
…		…
1555	return if $self->{deny_save};	2256	return if $self->{deny_save};
1556		2257
1557	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1558		2259
1559	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1561	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1562		2266
1563	if ($uniq) {	2267	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2270	} else {
1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1568	}	2272	}
1569	}	2273	}
1570		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1571	sub swap_out {	2283	sub swap_out {
1572	my ($self) = @_;	2284	my ($self) = @_;
1573		2285
1574	# save first because save cedes
1575	$self->save;
1576
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1579	return if $self->players;	2290	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};
1582		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
1583	$self->clear;	2301	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2302	}
1586		2303
1587	sub reset_at {	2304	sub reset_at {
1588	my ($self) = @_;	2305	my ($self) = @_;
1589		2306
1590	# TODO: safety, remove and allow resettable per-player maps	2307	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2308	return 1e99 if $self->{deny_reset};
1593		2309
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2310	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2311	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2312
…		…
1607	my ($self) = @_;	2323	my ($self) = @_;
1608		2324
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2326
1611	return if $self->players;	2327	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2328
1614	warn "resetting map ", $self->path;#d#	2329	cf::trace "resetting map ", $self->path, "\n";
1615		2330
1616	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
1617		2332
1618	# need to save uniques path	2333	# need to save uniques path
1619	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2338	if $uniq;
1624	}	2339	}
1625		2340
1626	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1627		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2345	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2346
1632	$self->unlink_save;	2347	$self->unlink_save;
1633	$self->destroy;	2348	$self->destroy;
1634	}	2349	}
1635		2350
1636	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1637		2352
1638	sub nuke {	2353	sub nuke {
1639	my ($self) = @_;	2354	my ($self) = @_;
1640		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1641	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1642		2360
1643	$self->unlink_save;	2361	$self->unlink_save;
1644		2362
1645	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1646	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2368
1651	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1652		2371
1653	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
		2373	}
		2374
		2375	=item $maps = cf::map::tmp_maps
		2376
		2377	Returns an arrayref with all map paths of currently instantiated and saved
		2378	maps. May block.
		2379
		2380	=cut
		2381
		2382	sub tmp_maps() {
		2383	[
		2384	map {
		2385	utf8::decode $_;
		2386	/\.map$/
		2387	? normalise $_
		2388	: ()
		2389	} @{ aio_readdir $TMPDIR or [] }
		2390	]
		2391	}
		2392
		2393	=item $maps = cf::map::random_maps
		2394
		2395	Returns an arrayref with all map paths of currently instantiated and saved
		2396	random maps. May block.
		2397
		2398	=cut
		2399
		2400	sub random_maps() {
		2401	[
		2402	map {
		2403	utf8::decode $_;
		2404	/\.map$/
		2405	? normalise "?random/$_"
		2406	: ()
		2407	} @{ aio_readdir $RANDOMDIR or [] }
		2408	]
1654	}	2409	}
1655		2410
1656	=item cf::map::unique_maps	2411	=item cf::map::unique_maps
1657		2412
1658	Returns an arrayref of paths of all shared maps that have	2413	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2414	instantiated unique items. May block.
1660		2415
1661	=cut	2416	=cut
1662		2417
1663	sub unique_maps() {	2418	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2419	[
1665	or return;	2420	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2421	utf8::decode $_;
1671	next if /\.pst$/;	2422	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2424	? ()
1674	push @paths, cf::map::normalise $_;	2425	: normalise $_
		2426	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2427	]
1676
1677	\@paths
1678	}	2428	}
1679		2429
1680	package cf;	2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
		2451	s/\.map$// or next;
		2452	utf8::decode $_;
		2453	push @maps, "$dir/$_";
		2454	}
		2455
		2456	push @dirs, map "$dir/$_", @$dirs;
		2457	}
		2458
		2459	\@maps
		2460	}
1681		2461
1682	=back	2462	=back
1683		2463
1684	=head3 cf::object	2464	=head3 cf::object
1685		2465
…		…
1689		2469
1690	=over 4	2470	=over 4
1691		2471
1692	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
1693		2473
1694	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
1695		2476
1696	=cut	2477	=cut
1697		2478
1698	sub inv_recursive_;	2479	sub inv_recursive_;
1699	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
1702		2483
1703	sub inv_recursive {	2484	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
1705	}	2486	}
1706		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
		2514	}
		2515
1707	package cf;	2516	package cf;
1708		2517
1709	=back	2518	=back
1710		2519
1711	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
1717	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1718	can be C<undef>. Does the right thing when the player is currently in a	2527	can be C<undef>. Does the right thing when the player is currently in a
1719	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1720		2529
1721	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
1722		2545
1723	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2547	# with dialog boxes.
1725	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
1726	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1728		2551
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2553
1731	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1733	} else {	2557	} else {
		2558	my $pl = $self->contr;
		2559
		2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2561	my $dialog = $pl->{npc_dialog};
		2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2563
		2564	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1736	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
1737	}	2579	}
1738		2580
1739	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1740		2582
1741	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1754		2596
1755	=item $player_object->enter_link	2597	=item $player_object->enter_link
1756		2598
1757	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
1758		2600
1759	The player should be reasonably safe there for short amounts of time. You	2601	The player should be reasonably safe there for short amounts of time (e.g.
1760	I<MUST> call C<leave_link> as soon as possible, though.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
1761		2605
1762	Will never block.	2606	Will never block.
1763		2607
1764	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1765		2609
…		…
1785	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1786	my ($self) = @_;	2630	my ($self) = @_;
1787		2631
1788	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1789		2633
		2634	++$self->{_link_recursion};
		2635
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2637
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2639	if $self->map && $self->map->{path} ne "{link}";
1794		2640
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1796	}	2642	}
1797		2643
1798	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
		2646
		2647	return unless $self->contr->active;
1800		2648
1801	my $link_pos = delete $self->{_link_pos};	2649	my $link_pos = delete $self->{_link_pos};
1802		2650
1803	unless ($map) {	2651	unless ($map) {
1804	# restore original map position	2652	# restore original map position
…		…
1815	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
1816	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
1817		2665
1818	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
1821		2669
1822	$map->load;	2670	$map->load;
1823	$map->load_diag;	2671	$map->load_neighbours;
1824		2672
1825	return unless $self->contr->active;	2673	return unless $self->contr->active;
		2674
		2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2676	if ($self->enter_map ($map, $x, $y)) {
		2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
1826	$self->activate_recursive;	2680	$self->activate_recursive;
1827	$self->enter_map ($map, $x, $y);
1828	}
1829
1830	cf::player->attach (
1831	on_logout => sub {
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2681	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2682
1844	# try to abort aborted map switching on player login :)	2683	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2684
1862	=item $player_object->goto ($path, $x, $y)	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2686
		2687	Moves the player to the given map-path and coordinates by first freezing
		2688	her, loading and preparing them map, calling the provided $check callback
		2689	that has to return the map if sucecssful, and then unfreezes the player on
		2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
		2695
1864	=cut	2696	=cut
		2697
		2698	our $GOTOGEN;
1865		2699
1866	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
		2708
		2709	# do generation counting so two concurrent goto's will be executed in-order
		2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2711
1869	$self->enter_link;	2712	$self->enter_link;
1870		2713
1871	(async {	2714	(async {
		2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
1872	my $map = eval {	2736	my $map = eval {
1873	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
		2738
		2739	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2740	$map = $map->customise_for ($self);
		2741	$map = $check->($map, $x, $y, $self) if $check && $map;
		2742	} else {
		2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2744	}
		2745
1875	$map	2746	$map
		2747	};
		2748
		2749	if ($@) {
		2750	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2751	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2752	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2753
		2754	if ($gen == $self->{_goto_generation}) {
		2755	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
		2757	}
		2758
		2759	$done->($self) if $done;
1880	})->prio (1);	2760	})->prio (1);
1881	}	2761	}
1882		2762
1883	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
1884		2764
…		…
1904	}	2784	}
1905		2785
1906	sub prepare_random_map {	2786	sub prepare_random_map {
1907	my ($exit) = @_;	2787	my ($exit) = @_;
1908		2788
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2791	# that depends on the exit object
1914		2792
1915	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2795	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
1922	}	2802	}
1923		2803
1924	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
1925		2805
1926	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
1929		2809
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2812	undef $fh;
1933	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
1934		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
1937	}	2821	}
1938	}	2822	}
1939		2823
1940	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
1942		2826
1943	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
1944		2828
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2829	$self->enter_link;
1955		2830
1956	(async {	2831	(async {
1957	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
1958	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
		2841	prepare_random_map $exit
		2842	if $exit->slaying eq "/!";
		2843	}
		2844
		2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
		2848
1959	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
1960		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
1961	1;	2855	1
1962	}) {	2856	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2861
1968	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2863	$self->leave_link;
1970	}	2864	}
1971	})->prio (1);	2865	})->prio (1);
1972	}	2866	}
1973		2867
…		…
1984		2878
1985	sub cf::client::send_drawinfo {	2879	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2880	my ($self, $text, $flags) = @_;
1987		2881
1988	utf8::encode $text;	2882	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2884	}
1991		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
		2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2912
		2913	Send a drawinfo or msg packet to the client, formatting the msg for the
		2914	client if neccessary. C<$type> should be a string identifying the type of
		2915	the message, with C<log> being the default. If C<$color> is negative, suppress
		2916	the message unless the client supports the msg packet.
		2917
		2918	=cut
		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
		3034	sub cf::client::send_msg {
		3035	my ($self, $channel, $msg, $color, @extra) = @_;
		3036
		3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
		3058
		3059	return unless @extra || length $msg;
		3060
		3061	# default colour, mask it out
		3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3063	if $color & cf::NDI_DEF;
		3064
		3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
		3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3068	);
		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
		3073	=item $client->ext_msg ($type, @msg)
		3074
		3075	Sends an ext event to the client.
		3076
		3077	=cut
		3078
		3079	sub cf::client::ext_msg($$@) {
		3080	my ($self, $type, @msg) = @_;
		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
		3085	push @msg, msgtype => "event_$type";
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
		3106	}
1992		3107
1993	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
1994		3109
1995	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3111	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3112	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3113
1999	Queries can fail, so check the return code. Or don't, as queries will become	3114	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3115	become reliable at some point in the future.
2001		3116
2002	=cut	3117	=cut
2003		3118
2004	sub cf::client::query {	3119	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3128	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3130
2016	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
2018	}	3135	}
2019		3136
2020	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
2021	on_reply => sub {	3143	on_reply => sub {
2022	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
2023		3145
2024	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
2025	# get handled first	3147	# get handled first
…		…
2037	} else {	3159	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3161	}
2040	}	3162	}
2041	},	3163	},
		3164	on_exticmd => sub {
		3165	my ($ns, $buf) = @_;
		3166
		3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3168
		3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
		3177	if (my $cb = $EXTICMD{$type}) {
		3178	@reply = $cb->($ns, @payload);
		3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
		3184	} else {
		3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3186	}
		3187
		3188	cf::override;
		3189	},
2042	);	3190	);
2043		3191
2044	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
2045		3193
2046	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3210
2063	$coro	3211	$coro
2064	}	3212	}
2065		3213
2066	cf::client->attach (	3214	cf::client->attach (
2067	on_destroy => sub {	3215	on_client_destroy => sub {
2068	my ($ns) = @_;	3216	my ($ns) = @_;
2069		3217
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3219	},
2072	);	3220	);
…		…
2087	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2089		3237
2090	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2091		3239
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2093		3245
2094	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2095		3247
2096	=pod	3248	=pod
2097		3249
2098	The following fucntions and emthods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2099		3251
2100	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
2101	cf::object::player player	3257	cf::object::player
2102	cf::player peaceful	3258	player
2103	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2104		3265
2105	=cut	3266	=cut
2106		3267
2107	for (	3268	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2112	) {	3275	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3278	for @funs;
2117	}	3279	}
2118		3280
…		…
2133		3295
2134	my $qcode = $code;	3296	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2137		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2138	local $_;	3303	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3304
2141	my $eval =	3305	my $eval =
2142	"do {\n"	3306	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3309	. $code
2146	. "\n}"	3310	. "\n}"
2147	;	3311	;
2148		3312
		3313	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2152		3322
2153	if ($@) {	3323	if ($@) {
2154	warn "$@";	3324	warn "$@",
2155	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2157	}	3327	}
2158		3328
2159	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2160	}	3330	}
2161		3331
…		…
2175	=cut	3345	=cut
2176		3346
2177	sub register_script_function {	3347	sub register_script_function {
2178	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2179		3349
2180	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2182	}	3352	}
2183		3353
2184	=back	3354	=back
2185		3355
2186	=cut	3356	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3357
2260	#############################################################################	3358	#############################################################################
2261	# the server's init and main functions	3359	# the server's init and main functions
2262		3360
		3361	sub load_facedata($) {
		3362	my ($path) = @_;
		3363
		3364	# HACK to clear player env face cache, we need some signal framework
		3365	# for this (global event?)
		3366	%ext::player_env::MUSIC_FACE_CACHE = ();
		3367
		3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3369
		3370	trace "loading facedata from $path\n";
		3371
		3372	my $facedata;
		3373	0 < aio_load $path, $facedata
		3374	or die "$path: $!";
		3375
		3376	$facedata = Coro::Storable::thaw $facedata;
		3377
		3378	$facedata->{version} == 2
		3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3380
		3381	# patch in the exptable
		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3383	$facedata->{resource}{"res/exp_table"} = {
		3384	type => FT_RSRC,
		3385	data => $exp_table,
		3386	hash => (Digest::MD5::md5 $exp_table),
		3387	};
		3388	cf::cede_to_tick;
		3389
		3390	{
		3391	my $faces = $facedata->{faceinfo};
		3392
		3393	while (my ($face, $info) = each %$faces) {
		3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
		3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
		3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3400
		3401	cf::cede_to_tick;
		3402	}
		3403
		3404	while (my ($face, $info) = each %$faces) {
		3405	next unless $info->{smooth};
		3406
		3407	my $idx = cf::face::find $face
		3408	or next;
		3409
		3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
		3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3413	} else {
		3414	error "smooth face '$info->{smooth}' not found for face '$face'";
		3415	}
		3416
		3417	cf::cede_to_tick;
		3418	}
		3419	}
		3420
		3421	{
		3422	my $anims = $facedata->{animinfo};
		3423
		3424	while (my ($anim, $info) = each %$anims) {
		3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3426	cf::cede_to_tick;
		3427	}
		3428
		3429	cf::anim::invalidate_all; # d'oh
		3430	}
		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
		3451	1
		3452	}
		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
2263	sub load_resources {	3462	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
		3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
		3477	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3478	or die "unable to load regions file\n";
2266	}
2267		3479
2268	sub cfg_load {	3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
		3484	}
		3485
		3486	sub reload_facedata {
		3487	load_facedata "$DATADIR/facedata"
		3488	or die "unable to load facedata\n";
		3489	}
		3490
		3491	sub reload_archetypes {
		3492	load_resource_file "$DATADIR/archetypes"
		3493	or die "unable to load archetypes\n";
		3494	}
		3495
		3496	sub reload_treasures {
		3497	load_resource_file "$DATADIR/treasures"
		3498	or die "unable to load treasurelists\n";
		3499	}
		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
		3511	or next;
		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
		3522	}
		3523
		3524	sub reload_resources {
		3525	trace "reloading resource files...\n";
		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
		3530	reload_regions;
		3531	reload_treasures;
		3532
		3533	trace "finished reloading resource files\n";
		3534	}
		3535
		3536	sub reload_config {
		3537	trace "reloading config file...\n";
		3538
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3540	or return;
2271		3541
2272	local $/;	3542	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2274		3544
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2276		3546
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2279		3549
2280	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2284	};	3554	};
2285	warn $@ if $@;	3555	warn $@ if $@;
2286	}	3556	}
2287	}
2288		3557
2289	sub init {	3558	trace "finished reloading resource files\n";
2290	load_resources;	3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2291	}	3587	}
2292		3588
2293	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
2294	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3602	(async {
2298	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2300	};	3606	};
2301		3607
2302	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
		3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
2303	db_init;	3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
2304	load_extensions;	3631	load_extensions;
2305		3632
2306	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2307	Event::loop;	3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
2308	}	3646	}
2309		3647
2310	#############################################################################	3648	#############################################################################
2311	# initialisation and cleanup	3649	# initialisation and cleanup
2312		3650
2313	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2314	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2323	},
2324	);	3657	};
		3658	}
		3659	}
		3660
		3661	sub write_runtime_sync {
		3662	my $t0 = AE::time;
		3663
		3664	# first touch the runtime file to show we are still running:
		3665	# the fsync below can take a very very long time.
		3666
		3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3668
		3669	my $guard = cf::lock_acquire "write_runtime";
		3670
		3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3672	or return;
		3673
		3674	my $value = $cf::RUNTIME + 90 + 10;
		3675	# 10 is the runtime save interval, for a monotonic clock
		3676	# 60 allows for the watchdog to kill the server.
		3677
		3678	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3679	and return;
		3680
		3681	# always fsync - this file is important
		3682	aio_fsync $fh
		3683	and return;
		3684
		3685	# touch it again to show we are up-to-date
		3686	aio_utime $fh, undef, undef;
		3687
		3688	close $fh
		3689	or return;
		3690
		3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3692	and return;
		3693
		3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3695
2325	}	3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
2326	}	3747	}
2327		3748
2328	sub emergency_save() {	3749	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2330		3751
2331	warn "enter emergency perl save\n";	3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
2332		3758
2333	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2334	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2335	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2336	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2338	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3770	$pl->save;
2342	}	3771	}
2343	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2344		3773
2345	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
2346	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2347	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2348	$map->valid or next;	3779	$map->valid or next;
2349	$map->save;	3780	$map->save;
2350	}	3781	}
2351	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2352		3783
2353	warn "begin emergency database checkpoint\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
2356	};	3812	};
2357		3813
2358	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2359	}	3815	}
2360		3816
2361	sub post_cleanup {	3817	sub post_cleanup {
2362	my ($make_core) = @_;	3818	my ($make_core) = @_;
2363		3819
		3820	IO::AIO::flush;
		3821
2364	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3823	if $make_core;
2366	}
2367		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
		3852	}
		3853
2368	sub reload() {	3854	sub do_reload_perl() {
2369	# can/must only be called in main	3855	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2371	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2372	return;	3858	return;
2373	}	3859	}
2374		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2375	warn "reloading...";	3866	info "reloading...";
2376		3867
2377	warn "cancelling server ticker";	3868	trace "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3869
		3870	cf::sync_job {
2380	cf::emergency_save;	3871	cf::emergency_save;
2381		3872
2382	eval {
2383	# if anything goes wrong in here, we should simply crash as we already saved
2384
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";
2400	}
2401
2402	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3875	%EXT_CORO = ();
2405		3876
2406	warn "removing commands";	3877	trace "removing commands";
2407	%COMMAND = ();	3878	%COMMAND = ();
2408		3879
2409	warn "removing ext commands";	3880	trace "removing ext/exti commands";
2410	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2411		3883
2412	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2415		3887
2416	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2417	eval {	3889	eval {
2418	$cb->($pkg);	3890	$cb->($pkg);
2419	1	3891	1
2420	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
2421	}	3897	}
2422		3898
2423	warn "... nuking $pkg";
2424	Symbol::delete_package $pkg;
2425	}
2426
2427	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2428	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3902
2431	warn "... unloading $k";	3903	trace "... unloading $k";
2432	delete $INC{$k};	3904	delete $INC{$k};
2433		3905
2434	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2436		3908
2437	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2438	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2439	}	3914	}
2440		3915
2441	Symbol::delete_package $k;
2442	}
2443
2444	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3919
2448	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
		3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450		3923
2451	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3925	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2454		3927
2455	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
2456		3929
2457	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2458	require cf;	3931	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2460		3933
2461	warn "loading config and database again";	3934	trace "loading config and database again";
2462	cf::cfg_load;	3935	cf::reload_config;
2463		3936
2464	warn "loading extensions";	3937	trace "loading extensions";
2465	cf::load_extensions;	3938	cf::load_extensions;
2466		3939
		3940	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2468	_global_reattach;	3942	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
		3945	trace "reattaching attachments to players";
		3946	reattach $_ for values %PLAYER;
		3947	}
2471		3948
2472	warn "loading reloadable resources";	3949	trace "running post_init jobs";
2473	load_resources;	3950	(pop @POST_INIT)->(1) while @POST_INIT;
2474		3951
2475	warn "restarting server ticker";	3952	trace "leaving sync_job";
2476		3953
2477	$TICK_WATCHER->start;	3954	1
		3955	} or do {
		3956	error $@;
		3957	cf::cleanup "error while reloading, exiting.";
		3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
		3962	}
		3963
		3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
		3966	};
		3967
		3968	our $RELOAD_WATCHER; # used only during reload
		3969
		3970	sub reload_perl() {
		3971	# doing reload synchronously and two reloads happen back-to-back,
		3972	# coro crashes during coro_state_free->destroy here.
		3973
		3974	$RELOAD_WATCHER ||= cf::async {
		3975	Coro::AIO::aio_wait cache_extensions;
		3976
		3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3978	do_reload_perl;
		3979	undef $RELOAD_WATCHER;
		3980	};
2478	};	3981	};
2479		3982	}
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485
2486	warn "reloaded";
2487	};
2488
2489	our $RELOAD_WATCHER; # used only during reload
2490		3983
2491	register_command "reload" => sub {	3984	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2493		3986
2494	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
2496		3989	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3990	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3991	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3992	};
2509	}	3993	}
2510	};	3994	};
2511		3995
2512	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2513		3997
2514	my $bug_warning = 0;	3998	my $bug_warning = 0;
2515		3999
2516	$TICK_WATCHER = Event->timer (	4000	our @WAIT_FOR_TICK;
2517	reentrant => 0,	4001	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	4002
2519	prio => 0,	4003	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	4005
2522	cb => sub {	4006	my $signal = new Coro::Signal;
		4007	push @WAIT_FOR_TICK, $signal;
		4008	$signal->wait;
		4009	}
		4010
		4011	sub wait_for_tick_begin {
		4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4013
		4014	my $signal = new Coro::Signal;
		4015	push @WAIT_FOR_TICK_BEGIN, $signal;
		4016	$signal->wait;
		4017	}
		4018
		4019	sub tick {
2523	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
2526	return;	4023	return;
2527	}	4024	}
2528		4025
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		4027
2535	$WAIT_FOR_TICK->broadcast;	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2537		4029
2538	Event::sweep;	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2539	Coro::cede_notself;	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4032	Coro::async_pool {
		4033	$Coro::current->{desc} = "runtime saver";
		4034	write_runtime_sync
		4035	or error "ERROR: unable to write runtime file: $!";
		4036	};
		4037	}
		4038
		4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4040	$sig->send;
		4041	}
		4042	while (my $sig = shift @WAIT_FOR_TICK) {
		4043	$sig->send;
		4044	}
		4045
		4046	$LOAD = ($NOW - $TICK_START) / $TICK;
		4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4048
		4049	if (0) {
		4050	if ($NEXT_TICK) {
		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
2540		4054	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	4055	}
2550	);	4056	}
2551		4057
2552	{	4058	{
2553	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	4060
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
2563		4062	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		4064
2579	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		4072
2582	cf::sync_job {	4073	cf::sync_job {
2583	eval {	4074	eval {
2584	BDB::db_env_open	4075	BDB::db_env_open
2585	$DB_ENV,	4076	$DB_ENV,
2586	$BDB_ENV_DIR,	4077	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	4080	0666;
2590		4081
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	4083	};
2596		4084
2597	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	4086	};
2599	}	4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
2600	}	4098	}
2601		4099
2602	{	4100	{
		4101	# configure IO::AIO
		4102
2603	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	4106	}
2616		4107
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	4108	my $_log_backtrace;
2618	reentrant => 0,	4109
2619	data => WF_AUTOCANCEL,	4110	sub _log_backtrace {
2620	after => 1,	4111	my ($msg, @addr) = @_;
2621	interval => 10,	4112
2622	prio => 6, # keep it lowest so it acts like a watchdog	4113	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	4114
2624	write_runtime	4115	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	4116	if ($_log_backtrace < 2) {
		4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
		4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
		4122	my @bt = fork_call {
		4123	@addr = map { sprintf "%x", $_ } @addr;
		4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4126	or die "addr2line: $!";
		4127
		4128	my @funcs;
		4129	my @res = <$fh>;
		4130	chomp for @res;
		4131	while (@res) {
		4132	my ($func, $line) = splice @res, 0, 2, ();
		4133	push @funcs, "[$func] $line";
		4134	}
		4135
		4136	@funcs
		4137	};
		4138
		4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4141	LOG llevInfo, "[ABT] $_\n" for @bt;
		4142	--$_log_backtrace;
		4143	};
		4144	} else {
		4145	LOG llevInfo, "[ABT] $msg\n";
		4146	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	4147	}
2627	);	4148	}
		4149
		4150	# load additional modules
		4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
2628		4153
2629	END { cf::emergency_save }	4154	END { cf::emergency_save }
2630		4155
2631	1	4156	1
2632		4157

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