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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.202 by root, Mon Jan 29 20:16:28 2007 UTC vs.
Revision 1.541 by root, Tue May 4 23:33:16 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 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	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";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
87		170
88	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
89		187
90	#############################################################################	188	#############################################################################
91		189
92	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
93		191
…		…
100	=item $cf::RUNTIME	198	=item $cf::RUNTIME
101		199
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	201	every server tick.
104		202
105	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		206
107	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
109		211
110	=item $cf::NOW	212	=item $cf::NOW
111		213
112	The time of the last (current) server tick.	214	The time of the last (current) server tick.
113		215
114	=item $cf::TICK	216	=item $cf::TICK
115		217
116	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
117		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
118	=item %cf::CFG	230	=item %cf::CFG
119		231
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	233	from wherever your confdir points to.
122		234
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		236
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
129		252
130	=back	253	=back
131		254
132	=cut	255	=cut
133		256
134	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
135	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
136	my $msg = join "", @_;	264	my $msg = join "", @_;
137	utf8::encode $msg;
138		265
139	$msg .= "\n"	266	$msg .= "\n"
140	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
141		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
142	LOG llevError, $msg;	271	LOG llevWarn, $msg;
143	};	272	};
144	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
145		287
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		295
153	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	297	# within the Safe compartment.
155	for my $pkg (qw(	298	for my $pkg (qw(
156	cf::global cf::attachable	299	cf::global cf::attachable
157	cf::object cf::object::player	300	cf::object cf::object::player
158	cf::client cf::player	301	cf::client cf::player
159	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
160	cf::map cf::party cf::region	304	cf::party cf::region
161	)) {	305	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	307	}
165		308
166	$Event::DIED = sub {	309	$EV::DIED = sub {
167	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
168	};	311	};
		312
		313	#############################################################################
169		314
170	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
171		316
172	=over 4	317	=over 4
173		318
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	338	$d
194	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
195	}	340	}
196		341
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
200		343
201	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
202		345
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
211		347
212	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
213		349
214	=cut	350	=cut
215		351
216	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
218	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
219	}	369	}
220		370
221	=item cf::lock_wait $string	371	=item cf::lock_wait $string
222		372
223	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
224		374
225	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
226		376
227	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
230	returned.	380	returned.
231		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
232	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
234		387
235	=cut	388	=item $locked = cf::lock_active $string
236		389
237	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
238		395
239	sub lock_wait($) {	396	sub lock_wait($) {
240	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	398	}
248		399
249	sub lock_acquire($) {	400	sub lock_acquire($) {
250	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
251		403
252	# wait, to be sure we are not locked	404	sub lock_active($) {
253	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	406	}
262		407
263	sub freeze_mainloop {	408	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
265		410
266	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	412	}
268	$WRITE_RUNTIME_WATCHER->start;	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
269	};	478	}
270	$WRITE_RUNTIME_WATCHER->stop;	479	};
271	$TICK_WATCHER->stop;	480
272	$guard	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
273	}	494	}
274		495
275	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
276		497
277	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		503
283	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
284		505
285	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
286		507
287	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
290		512
291	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
294	fast or be very important.	516	fast or be very important.
…		…
296	=cut	518	=cut
297		519
298	sub sync_job(&) {	520	sub sync_job(&) {
299	my ($job) = @_;	521	my ($job) = @_;
300		522
301	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
302	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
304		528
305	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	530
307	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
308		532
309	my $busy = 1;	533	my $busy = 1;
310	my @res;	534	my @res;
311		535
312	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	538	@res = eval { $job->() };
314	warn $@ if $@;	539	error $@ if $@;
315	undef $busy;	540	undef $busy;
316	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
317		542
318	while ($busy) {	543	while ($busy) {
319	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
320	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
321		554
322	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
323	} else {	556	} else {
324	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
325		558
…		…
345	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
346		579
347	$coro	580	$coro
348	}	581	}
349		582
350	sub write_runtime {	583	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		584
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
354	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
355		589
356	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		591
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
361	and return;	593	my ($cb, @args) = @_;
362		594
363	aio_fsync $fh	595	# we seemingly have to make a local copy of the whole thing,
364	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
365		598
366	close $fh	599	my @res = Coro::Util::fork_eval {
367	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
368		603
369	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
370	and return;	605	}
371		606
		607	sub objinfo {
372	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	783	}
374		784
375	=back	785	=back
376		786
377	=cut	787	=cut
378		788
379	#############################################################################	789	#############################################################################
380		790
381	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
382		792
383	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
386		796
387	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	799	Deliantra).
390		800
391	=over 4	801	=over 4
392		802
393	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
394		804
…		…
438	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
439		849
440	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
442		852
443	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
445		855
446	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
447		857
448	=over 4	858	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
558		968
559	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		973
564	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	975	my $pkg = shift @arg;
566		976
567	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
572		982
573	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		985
576	} elsif (ref $type) {	986	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
578		988
579	} else {	989	} else {
580	shift @arg;	990	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
582	}	992	}
583	}	993	}
584	}	994	}
585		995
586	sub _object_attach {	996	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
597	}	1007	}
598		1008
599	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
600	} else {	1010	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1012	}
603		1013
604	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
605	}	1015	}
606		1016
…		…
608	if (ref $_[0]) {	1018	if (ref $_[0]) {
609	_object_attach @_;	1019	_object_attach @_;
610	} else {	1020	} else {
611	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
612	}	1022	}
		1023	_recalc_want;
613	};	1024	};
614		1025
615	# all those should be optimised	1026	# all those should be optimised
616	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1032	reattach ($obj);
622	} else {	1033	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
624	}	1035	}
		1036	_recalc_want;
625	};	1037	};
626		1038
627	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
629		1041
…		…
644	";	1056	";
645	die if $@;	1057	die if $@;
646	}	1058	}
647		1059
648	our $override;	1060	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1062
651	sub override {	1063	sub override {
652	$override = 1;	1064	$override = 1;
653	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
654	}	1066	}
655		1067
656	sub do_invoke {	1068	sub do_invoke {
657	my $event = shift;	1069	my $event = shift;
658	my $callbacks = shift;	1070	my $callbacks = shift;
659		1071
660	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
661		1073
662	local $override;	1074	local $override;
663		1075
664	for (@$callbacks) {	1076	for (@$callbacks) {
665	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
666		1078
667	if ($@) {	1079	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1081	override;
671	}	1082	}
672		1083
673	return 1 if $override;	1084	return 1 if $override;
674	}	1085	}
675		1086
676	0	1087	0
677	}	1088	}
678		1089
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1091
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1093
683	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
684		1095
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1099
689	=back	1100	=back
690		1101
691	=cut	1102	=cut
692		1103
693	#############################################################################	1104	#############################################################################
694	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
695		1148
696	sub reattach {	1149	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1151	my ($obj) = @_;
699		1152
		1153	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1155
702	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
703		1157
704	@$registry = ();	1158	@$registry = ();
705		1159
…		…
710	for (@$attach) {	1164	for (@$attach) {
711	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
713	}	1167	}
714	} else {	1168	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1170	}
717	}	1171	}
718	}	1172	}
719		1173
720	cf::attachable->attach (	1174	cf::attachable->attach (
721	prio => -1000000,	1175	prio => -1000000,
722	on_instantiate => sub {	1176	on_instantiate => sub {
723	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
724		1178
725	$data = from_json $data;	1179	$data = decode_json $data;
726		1180
727	for (@$data) {	1181	for (@$data) {
728	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
729		1183
730	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1200	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
748		1202
749	sync_job {	1203	sync_job {
750	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
753		1209
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
757	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
758	close $fh;	1217	aio_close $fh;
759		1218
760	if (@$objs) {	1219	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
		1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
765	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
766	close $fh;	1228	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
768	}	1230	}
769	} else {	1231	} else {
770	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
771	}	1233	}
772		1234
773	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1239	} else {
775	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
776	}	1241	}
777	} else {	1242	} else {
778	aio_unlink $filename;	1243	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
780	}	1245	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1246	};
788	}	1247	}
789		1248
790	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
792		1251
…		…
797		1256
798	sub object_thawer_load {	1257	sub object_thawer_load {
799	my ($filename) = @_;	1258	my ($filename) = @_;
800		1259
801	my ($data, $av);	1260	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1261
806	(aio_load $filename, $data) >= 0	1262	(aio_load $filename, $data) >= 0
807	or return;	1263	or return;
808		1264
809	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
811	or return;	1267	or return;
		1268
812	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
813	}	1271	}
814		1272
		1273	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
817	return ($data, $av);	1278	($data, $av)
818	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
819		1286
820	#############################################################################	1287	#############################################################################
821	# command handling &c	1288	# command handling &c
822		1289
823	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1304	}
838		1305
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1307
841	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
842		1313
843	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
844	called.	1315	called.
845		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
846	=cut	1328	=cut
847		1329
848	sub register_extcmd {	1330	sub register_extcmd {
849	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
850		1332
851	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
852	}	1334	}
853		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
854	cf::player->attach (	1344	cf::player->attach (
855	on_command => sub {	1345	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
857		1347
858	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
859	or return;	1349	or return;
860		1350
…		…
865	cf::override;	1355	cf::override;
866	},	1356	},
867	on_extcmd => sub {	1357	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
869		1359
870	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1361
872	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
878	} else {	1377	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1379	}
881		1380
882	cf::override;	1381	cf::override;
883	},	1382	},
884	);	1383	);
885		1384
		1385	# "readahead" all extensions
886	sub load_extension {	1386	sub cache_extensions {
887	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
888		1388
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1392	}
914	die $@;
915	}	1393	};
916		1394
917	push @EXTS, $pkg;	1395	$grp
918	}	1396	}
919		1397
920	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
921	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1405	next unless -r $path;
923	eval {	1406
924	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
925	1	1471	}
926	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
927	}	1482	};
928	}	1483	}
929		1484
930	#############################################################################	1485	#############################################################################
931		1486
		1487	=back
		1488
932	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
933		1490
934	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
935		1492
936	=cut	1493	=cut
937		1494
938	package cf::player;	1495	package cf::player;
939		1496
…		…
941		1498
942	=head3 cf::player	1499	=head3 cf::player
943		1500
944	=over 4	1501	=over 4
945		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
		1516
946	=item cf::player::find $login	1517	=item cf::player::find $login
947		1518
948	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
949		1520
950	=cut	1521	=cut
951		1522
952	sub playerdir($) {	1523	sub playerdir($) {
953	cf::localdir	1524	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1526	}
959		1527
960	sub path($) {	1528	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1530
963	(playerdir $login) . "/$login.pl"	1531	(playerdir $login) . "/playerdata"
964	}	1532	}
965		1533
966	sub find_active($) {	1534	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1535	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1536	and $cf::PLAYER{$_[0]}->active
…		…
971		1539
972	sub exists($) {	1540	sub exists($) {
973	my ($login) = @_;	1541	my ($login) = @_;
974		1542
975	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
977	}	1545	}
978		1546
979	sub find($) {	1547	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1549	my $login = $_[0];
982		1550
983	my $guard = cf::lock_acquire "user_find:$login";	1551	my $guard = cf::lock_acquire "user_find:$login";
984		1552
985	$cf::PLAYER{$_[0]} || do {	1553	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1554	# rename old playerfiles to new ones
		1555	#TODO: remove when no longer required
		1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1559	aio_unlink +(playerdir $login) . "/$login.pl";
		1560
		1561	my $f = new_from_file cf::object::thawer path $login
987	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
989	}	1570	}
990	}	1571	}
991	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
992		1586
993	sub save($) {	1587	sub save($) {
994	my ($pl) = @_;	1588	my ($pl) = @_;
995		1589
996	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1002		1596
1003	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1005		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1006	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1007	Coro::cede;	1606	cf::cede_to_tick;
1008	}	1607	}
1009		1608
1010	sub new($) {	1609	sub new($) {
1011	my ($login) = @_;	1610	my ($login) = @_;
1012		1611
…		…
1018	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1019		1618
1020	$self	1619	$self
1021	}	1620	}
1022		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1023	=item $pl->quit_character	1632	=item $pl->quit_character
1024		1633
1025	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1027		1636
1028	=cut	1637	=cut
1029		1638
1030	sub quit_character {	1639	sub quit_character {
1031	my ($pl) = @_;	1640	my ($pl) = @_;
1032		1641
		1642	my $name = $pl->ob->name;
		1643
1033	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1646
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1040		1652
1041	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1655	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1656	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1657	$pl->destroy;
		1658
		1659	my $prefix = qr<^~\Q$name\E/>;
		1660
		1661	# nuke player maps
		1662	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1663
1046	IO::AIO::aio_rmtree $temp;	1664	IO::AIO::aio_rmtree $temp;
		1665	}
		1666
		1667	=item $pl->kick
		1668
		1669	Kicks a player out of the game. This destroys the connection.
		1670
		1671	=cut
		1672
		1673	sub kick {
		1674	my ($pl, $kicker) = @_;
		1675
		1676	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1677	$pl->killer ("kicked");
		1678	$pl->ns->destroy;
1047	}	1679	}
1048		1680
1049	=item cf::player::list_logins	1681	=item cf::player::list_logins
1050		1682
1051	Returns am arrayref of all valid playernames in the system, can take a	1683	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1053		1685
1054	=cut	1686	=cut
1055		1687
1056	sub list_logins {	1688	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1690	or return [];
1059		1691
1060	my @logins;	1692	my @logins;
1061		1693
1062	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1066		1704
1067	utf8::decode $login;	1705	utf8::decode $login;
1068	push @logins, $login;	1706	push @logins, $login;
1069	}	1707	}
1070		1708
1071	\@logins	1709	\@logins
1072	}	1710	}
1073		1711
1074	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1075		1715
1076	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1077	player. May block.	1717	player. May block.
1078		1718
1079	=cut	1719	=cut
…		…
1097	}	1737	}
1098		1738
1099	\@paths	1739	\@paths
1100	}	1740	}
1101		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1103		1747
1104	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1105		1749
1106	=cut	1750	=cut
1107		1751
1108	sub ext_reply($$$%) {	1752	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1110		1754
1111	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1756	}
1115		1757
1116	package cf;	1758	=item $player->ext_msg ($type, @msg)
		1759
		1760	Sends an ext event to the client.
		1761
		1762	=cut
		1763
		1764	sub ext_msg($$@) {
		1765	my ($self, $type, @msg) = @_;
		1766
		1767	$self->ns->ext_msg ($type, @msg);
		1768	}
		1769
		1770	=head3 cf::region
		1771
		1772	=over 4
		1773
		1774	=cut
		1775
		1776	package cf::region;
		1777
		1778	=item cf::region::find_by_path $path
		1779
		1780	Tries to decuce the likely region for a map knowing only its path.
		1781
		1782	=cut
		1783
		1784	sub find_by_path($) {
		1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
		1789	my ($match, $specificity);
		1790
		1791	for my $region (list) {
		1792	if ($region->{match} && $path =~ $region->{match}) {
		1793	($match, $specificity) = ($region, $region->specificity)
		1794	if $region->specificity > $specificity;
		1795	}
		1796	}
		1797
		1798	$match
		1799	}
1117		1800
1118	=back	1801	=back
1119
1120		1802
1121	=head3 cf::map	1803	=head3 cf::map
1122		1804
1123	=over 4	1805	=over 4
1124		1806
…		…
1136	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1138		1820
1139	sub generate_random_map {	1821	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1141	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1827	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1164		1849
1165	sub register {	1850	sub register {
1166	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	1852	my $pkg = caller;
1168		1853
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		1855
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1857	}
1174		1858
1175	# also paths starting with '/'	1859	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1861
1178	sub thawer_merge {	1862	sub thawer_merge {
1179	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1180		1864
1181	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1182	local $self->{path};	1866	local $self->{path};
1183	local $self->{load_path};	1867	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1868
1187	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1188	}	1870	}
1189		1871
1190	sub normalise {	1872	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1238	return $self;	1920	return $self;
1239	}	1921	}
1240	}	1922	}
1241		1923
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1925	()
1244	}	1926	}
1245		1927
1246	sub init {	1928	sub init {
1247	my ($self) = @_;	1929	my ($self) = @_;
…		…
1262		1944
1263	# the original (read-only) location	1945	# the original (read-only) location
1264	sub load_path {	1946	sub load_path {
1265	my ($self) = @_;	1947	my ($self) = @_;
1266		1948
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1268	}	1950	}
1269		1951
1270	# the temporary/swap location	1952	# the temporary/swap location
1271	sub save_path {	1953	sub save_path {
1272	my ($self) = @_;	1954	my ($self) = @_;
1273		1955
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1276	}	1958	}
1277		1959
1278	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1279	sub uniq_path {	1961	sub uniq_path {
1280	my ($self) = @_;	1962	my ($self) = @_;
1281		1963
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1284	}	1966	}
1285		1967
1286	# and all this just because we cannot iterate over	1968	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	1969	my ($self) = @_;
1290		1970
1291	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1293	}	1974	}
1294		1975
1295	sub unlink_save {	1976	sub unlink_save {
1296	my ($self) = @_;	1977	my ($self) = @_;
1297		1978
1298	utf8::encode (my $save = $self->save_path);	1979	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1981	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1982	}
1307		1983
1308	sub load_header_from($) {	1984	sub load_header_from($) {
1309	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1310		1986
1311	utf8::encode $path;	1987	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1317		1996
1318	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1319		1998
1320	1	1999	1
1321	}	2000	}
…		…
1360	$self->load_header_orig	2039	$self->load_header_orig
1361	or return;	2040	or return;
1362	$self->prepare_orig;	2041	$self->prepare_orig;
1363	}	2042	}
1364		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
1365	1	2050	1
1366	}	2051	}
1367		2052
1368	sub find;	2053	sub find;
1369	sub find {	2054	sub find {
1370	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1371		2056
1372	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1373		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2061
1376	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1379	or return;	2064	or return;
1380		2065
1381	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1382		2067
1383	$map->load_header	2068	$map->load_header
1384	or return;	2069	or return;
1385		2070
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1389	$map->reset;	2076	$map->reset;
1390	undef $guard;
1391	return find $path;	2077	return find $path;
1392	}	2078	}
1393		2079
1394	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1395	}	2081	}
1396	}	2082	}
1397		2083
1398	sub pre_load { }	2084	sub pre_load { }
1399	sub post_load { }	2085	#sub post_load { } # XS
1400		2086
1401	sub load {	2087	sub load {
1402	my ($self) = @_;	2088	my ($self) = @_;
1403		2089
1404	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1405		2091
1406	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1408		2096
		2097	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2099
1411	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1412		2101
1413	$self->alloc;	2102	$self->alloc;
1414		2103
1415	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1416		2106
1417	$self->_load_objects ($self->{load_path}, 1)	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1418	or return;	2110	or return;
1419		2111
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1421	if delete $self->{load_original};	2113	if delete $self->{load_original};
1422		2114
1423	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2116	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2119	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1428	}	2123	}
1429	}	2124	}
1430		2125
1431	Coro::cede;	2126	$f->resolve_delayed_derefs;
1432		2127
		2128	cf::cede_to_tick;
1433	# now do the right thing for maps	2129	# now do the right thing for maps
1434	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2132	unless $self->difficulty;
1444	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1445	$self->activate;	2140	$self->activate;
		2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1446	}	2147	}
1447		2148
1448	$self->post_load;	2149	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2150	}
1452		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1453	sub customise_for {	2155	sub customise_for {
1454	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1455		2157
1456	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2159	if $self->per_player;
1458		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1459	$self	2164	$self
1460	}	2165	}
1461		2166
1462	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2168	sub load_neighbours {
1464	my ($map) = @_;	2169	my ($map) = @_;
1465		2170
1466	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1467		2172
1468	for (0 .. 3) {	2173	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1470	or next;	2175	or next;
1471	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1472	or next;	2177	or next;
1473	$neigh->load;	2178	$neigh->load;
1474		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2184	}
1478		2185
1479	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1481	or next;	2189	or next;
1482	$neigh->load;	2190	$neigh->load;
1483	}	2191	}
1484	}	2192	}
1485		2193
1486	sub find_sync {	2194	sub find_sync {
1487	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1488		2196
1489	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1490	}	2201	}
1491		2202
1492	sub do_load_sync {	2203	sub do_load_sync {
1493	my ($map) = @_;	2204	my ($map) = @_;
1494		2205
1495	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1496	}	2210	}
1497		2211
1498	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1500		2214
1501	sub find_async {	2215	sub find_async {
1502	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1503		2217
1504	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1505		2219
1506	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2222	}
1509		2223
1510	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1511	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1512	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2231	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2232	$map->load if $v;
		2233	}
1517		2234
1518	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1519	}	2236	}
1520	}	2237	}
1521	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1522	};	2239	};
1523	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1524		2241
1525	()	2242	()
1526	}	2243	}
1527		2244
		2245	# common code, used by both ->save and ->swapout
1528	sub save {	2246	sub _save {
1529	my ($self) = @_;	2247	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2248
1533	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1534		2250
1535	return unless $self->dirty;	2251	return unless $self->dirty;
1536		2252
…		…
1542	return if $self->{deny_save};	2258	return if $self->{deny_save};
1543		2259
1544	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1545		2261
1546	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1548	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1549		2268
1550	if ($uniq) {	2269	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2272	} else {
1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1555	}	2274	}
1556	}	2275	}
1557		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1558	sub swap_out {	2285	sub swap_out {
1559	my ($self) = @_;	2286	my ($self) = @_;
1560		2287
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1566	return if $self->players;	2292	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1570	$self->clear;	2303	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2304	}
1573		2305
1574	sub reset_at {	2306	sub reset_at {
1575	my ($self) = @_;	2307	my ($self) = @_;
1576		2308
1577	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1580		2311
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2314
…		…
1594	my ($self) = @_;	2325	my ($self) = @_;
1595		2326
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2328
1598	return if $self->players;	2329	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2330
1601	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
		2332
		2333	$self->in_memory (cf::MAP_SWAPPED);
		2334
		2335	# need to save uniques path
		2336	unless ($self->{deny_save}) {
		2337	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2338
		2339	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2340	if $uniq;
		2341	}
1602		2342
1603	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1604		2344
1605	$self->in_memory (cf::MAP_SWAPPED);	2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2347	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2348
1610	$self->unlink_save;	2349	$self->unlink_save;
1611	$self->destroy;	2350	$self->destroy;
1612	}	2351	}
1613		2352
1614	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1615		2354
1616	sub nuke {	2355	sub nuke {
1617	my ($self) = @_;	2356	my ($self) = @_;
1618		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1619	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1620		2362
1621	$self->unlink_save;	2363	$self->unlink_save;
1622		2364
1623	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2370
1629	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1630		2373
1631	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1632	}	2411	}
1633		2412
1634	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1635		2414
1636	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2416	instantiated unique items. May block.
1638		2417
1639	=cut	2418	=cut
1640		2419
1641	sub unique_maps() {	2420	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1643	or return;	2422	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2423	utf8::decode $_;
1649	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2426	? ()
1652	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2429	]
1654
1655	\@paths
1656	}	2430	}
1657		2431
1658	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1659		2463
1660	=back	2464	=back
1661		2465
1662	=head3 cf::object	2466	=head3 cf::object
1663		2467
…		…
1667		2471
1668	=over 4	2472	=over 4
1669		2473
1670	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1671		2475
1672	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1673		2478
1674	=cut	2479	=cut
1675		2480
1676	sub inv_recursive_;	2481	sub inv_recursive_;
1677	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1680		2485
1681	sub inv_recursive {	2486	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1683	}	2488	}
1684		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1685	package cf;	2518	package cf;
1686		2519
1687	=back	2520	=back
1688		2521
1689	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1698		2531
1699	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1700		2547
1701	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2549	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1706		2553
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2555
1709	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1711	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1714	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1715	}	2581	}
1716		2582
1717	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1718		2584
1719	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1732		2598
1733	=item $player_object->enter_link	2599	=item $player_object->enter_link
1734		2600
1735	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1736		2602
1737	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1738	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1739		2607
1740	Will never block.	2608	Will never block.
1741		2609
1742	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1743		2611
…		…
1763	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2632	my ($self) = @_;
1765		2633
1766	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1767		2635
		2636	++$self->{_link_recursion};
		2637
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2639
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1772		2642
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2644	}
1775		2645
1776	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1778		2650
1779	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1780		2652
1781	unless ($map) {	2653	unless ($map) {
1782	# restore original map position	2654	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1795		2667
1796	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1799		2671
1800	$map->load;	2672	$map->load;
1801	$map->load_diag;	2673	$map->load_neighbours;
1802		2674
1803	return unless $self->contr->active;	2675	return unless $self->contr->active;
		2676
		2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2678	if ($self->enter_map ($map, $x, $y)) {
		2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
1804	$self->activate_recursive;	2682	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2683	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2684
1822	# try to abort aborted map switching on player login :)	2685	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2686
1840	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1842	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1843		2701
1844	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2713
1847	$self->enter_link;	2714	$self->enter_link;
1848		2715
1849	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1850	my $map = eval {	2738	my $map = eval {
1851	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1853	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2754	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1858	})->prio (1);	2762	})->prio (1);
1859	}	2763	}
1860		2764
1861	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1862		2766
…		…
1882	}	2786	}
1883		2787
1884	sub prepare_random_map {	2788	sub prepare_random_map {
1885	my ($exit) = @_;	2789	my ($exit) = @_;
1886		2790
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2793	# that depends on the exit object
1892		2794
1893	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2797	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1900	}	2804	}
1901		2805
1902	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1903		2807
1904	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1907		2811
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2814	undef $fh;
1911	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1912		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1915	}	2823	}
1916	}	2824	}
1917		2825
1918	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
1920		2828
1921	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1922		2830
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2831	$self->enter_link;
1933		2832
1934	(async {	2833	(async {
1935	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1936	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
1937	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
1938		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1939	1;	2857	1
1940	}) {	2858	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2863
1946	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1947	$self->leave_link;	2865	$self->leave_link;
1948	}	2866	}
1949	})->prio (1);	2867	})->prio (1);
1950	}	2868	}
1951		2869
…		…
1962		2880
1963	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1965		2883
1966	utf8::encode $text;	2884	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2886	}
1969		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
1970		3109
1971	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1972		3111
1973	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		3115
1977	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	3117	become reliable at some point in the future.
1979		3118
1980	=cut	3119	=cut
1981		3120
1982	sub cf::client::query {	3121	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3130	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3132
1994	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
1996	}	3137	}
1997		3138
1998	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
1999	on_reply => sub {	3145	on_reply => sub {
2000	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2001		3147
2002	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2003	# get handled first	3149	# get handled first
…		…
2015	} else {	3161	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	3163	}
2018	}	3164	}
2019	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2020	);	3192	);
2021		3193
2022	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2023		3195
2024	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040		3212
2041	$coro	3213	$coro
2042	}	3214	}
2043		3215
2044	cf::client->attach (	3216	cf::client->attach (
2045	on_destroy => sub {	3217	on_client_destroy => sub {
2046	my ($ns) = @_;	3218	my ($ns) = @_;
2047		3219
2048	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2049	},	3221	},
2050	);	3222	);
…		…
2065	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2067		3239
2068	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2069		3241
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2071		3247
2072	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2073		3249
2074	=pod	3250	=pod
2075		3251
2076	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2077		3253
2078	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2079	cf::object::player player	3259	cf::object::player
2080	cf::player peaceful	3260	player
2081	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2082		3267
2083	=cut	3268	=cut
2084		3269
2085	for (	3270	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2087	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2089	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2090	) {	3277	) {
2091	no strict 'refs';
2092	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2093	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2094	for @funs;	3280	for @funs;
2095	}	3281	}
2096		3282
…		…
2111		3297
2112	my $qcode = $code;	3298	my $qcode = $code;
2113	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2114	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2115		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2116	local $_;	3305	local $_;
2117	local @safe::cf::_safe_eval_args = values %vars;
2118		3306
2119	my $eval =	3307	my $eval =
2120	"do {\n"	3308	"do {\n"
2121	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2122	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2123	. $code	3311	. $code
2124	. "\n}"	3312	. "\n}"
2125	;	3313	;
2126		3314
		3315	if ($CFG{safe_eval}) {
2127	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2128	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2129	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2130		3324
2131	if ($@) {	3325	if ($@) {
2132	warn "$@";	3326	warn "$@",
2133	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2134	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2135	}	3329	}
2136		3330
2137	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2138	}	3332	}
2139		3333
…		…
2153	=cut	3347	=cut
2154		3348
2155	sub register_script_function {	3349	sub register_script_function {
2156	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2157		3351
2158	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2159	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2160	}	3354	}
2161		3355
2162	=back	3356	=back
2163		3357
2164	=cut	3358	=cut
2165		3359
2166	#############################################################################	3360	#############################################################################
		3361	# the server's init and main functions
2167		3362
2168	=head2 EXTENSION DATABASE SUPPORT	3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
2169		3366
2170	Crossfire maintains a very simple database for extension use. It can	3367	if (in_main && !tick_inhibit) {
2171	currently store anything that can be serialised using Storable, which	3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
2172	excludes objects.	3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
2173		3372
2174	The parameter C<$family> should best start with the name of the extension	3373	# 1. find real file
2175	using it, it should be unique.	3374	for my $dir (@ORIG_INC) {
		3375	ref $dir and next;
		3376	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3377	or next;
2176		3378
2177	=over 4	3379	$data = "#line 1 $dir/$mod\n$data";
2178		3380
2179	=item $hashref = cf::db_get $family	3381	open my $fh, "<", \$data or die;
2180		3382
2181	Return a hashref for use by the extension C<$family>, which can be	3383	return $fh;
2182	modified. After modifications, you have to call C<cf::db_dirty> or	3384	}
2183	C<cf::db_sync>.
2184		3385
2185	=item $value = cf::db_get $family => $key	3386	()
		3387	}
2186		3388
2187	Returns a single value from the database	3389	sub init_inc {
		3390	# save original @INC
		3391	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
2188		3392
2189	=item cf::db_put $family => $hashref	3393	# make sure we can do scalar-opens
		3394	open my $dummy, "<", \my $dummy2;
2190		3395
2191	Stores the given family hashref into the database. Updates are delayed, if	3396	# execute some stuff so perl load's some of the core modules
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3397	/Ü/ =~ /ü/i;
		3398	eval { &Storable::nstore_fd };
2193		3399
2194	=item cf::db_put $family => $key => $value	3400	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
2195		3401
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you	3402	debug "module loading will be asynchronous from this point on.";
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.	3403	}
2198		3404
2199	=item cf::db_dirty	3405	sub load_facedata($) {
		3406	my ($path) = @_;
2200		3407
2201	Marks the database as dirty, to be updated at a later time.	3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
2202		3411
2203	=item cf::db_sync	3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2204		3413
2205	Immediately write the database to disk I<if it is dirty>.	3414	trace "loading facedata from $path\n";
2206		3415
2207	=cut	3416	my $facedata;
		3417	0 < aio_load $path, $facedata
		3418	or die "$path: $!";
2208		3419
2209	our $DB;	3420	$facedata = Coro::Storable::thaw $facedata;
2210		3421
2211	{	3422	$facedata->{version} == 2
2212	my $path = cf::localdir . "/database.pst";	3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
2213		3424
2214	sub db_load() {	3425	# patch in the exptable
2215	$DB = stat $path ? Storable::retrieve $path : { };	3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3427	$facedata->{resource}{"res/exp_table"} = {
		3428	type => FT_RSRC,
		3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
2216	}	3431	};
		3432	cf::cede_to_tick;
2217		3433
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}	3434	{
		3435	my $faces = $facedata->{faceinfo};
2229		3436
2230	my $dirty;	3437	while (my ($face, $info) = each %$faces) {
		3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2231		3439
2232	sub db_sync() {	3440	cf::face::set_visibility $idx, $info->{visibility};
2233	db_save if $dirty;	3441	cf::face::set_magicmap $idx, $info->{magicmap};
2234	undef $dirty;	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2235	}	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2236		3444
2237	my $idle = Event->idle (	3445	cf::cede_to_tick;
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},	3446	}
2271	);
2272	}
2273		3447
2274	#############################################################################	3448	while (my ($face, $info) = each %$faces) {
2275	# the server's main()	3449	next unless $info->{smooth};
2276		3450
2277	sub cfg_load {	3451	my $idx = cf::face::find $face
		3452	or next;
		3453
		3454	if (my $smooth = cf::face::find $info->{smooth}) {
		3455	cf::face::set_smooth $idx, $smooth;
		3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3457	} else {
		3458	error "smooth face '$info->{smooth}' not found for face '$face'";
		3459	}
		3460
		3461	cf::cede_to_tick;
		3462	}
		3463	}
		3464
		3465	{
		3466	my $anims = $facedata->{animinfo};
		3467
		3468	while (my ($anim, $info) = each %$anims) {
		3469	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3470	cf::cede_to_tick;
		3471	}
		3472
		3473	cf::anim::invalidate_all; # d'oh
		3474	}
		3475
		3476	{
		3477	my $res = $facedata->{resource};
		3478
		3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
		3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
		3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
		3495	1
		3496	}
		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
		3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	load_resource_file "$MAPDIR/regions"
		3522	or die "unable to load regions file\n";
		3523
		3524	for (cf::region::list) {
		3525	$_->{match} = qr/$_->{match}/
		3526	if exists $_->{match};
		3527	}
		3528	}
		3529
		3530	sub reload_facedata {
		3531	load_facedata "$DATADIR/facedata"
		3532	or die "unable to load facedata\n";
		3533	}
		3534
		3535	sub reload_archetypes {
		3536	load_resource_file "$DATADIR/archetypes"
		3537	or die "unable to load archetypes\n";
		3538	}
		3539
		3540	sub reload_treasures {
		3541	load_resource_file "$DATADIR/treasures"
		3542	or die "unable to load treasurelists\n";
		3543	}
		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
		3568	sub reload_resources {
		3569	trace "reloading resource files...\n";
		3570
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
		3574	reload_regions;
		3575	reload_treasures;
		3576
		3577	trace "finished reloading resource files\n";
		3578	}
		3579
		3580	sub reload_config {
		3581	trace "reloading config file...\n";
		3582
2278	open my $fh, "<:utf8", cf::confdir . "/config"	3583	open my $fh, "<:utf8", "$CONFDIR/config"
2279	or return;	3584	or return;
2280		3585
2281	local $/;	3586	local $/;
2282	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = YAML::XS::Load scalar <$fh>;
2283		3588
2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2285		3590
2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2288		3593
2289	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2291	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3596	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2292	and die "WARNING: m(un)lockall failed: $!\n";	3597	and die "WARNING: m(un)lockall failed: $!\n";
2293	};	3598	};
2294	warn $@ if $@;	3599	warn $@ if $@;
2295	}	3600	}
		3601
		3602	trace "finished reloading resource files\n";
		3603	}
		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
2296	}	3631	}
2297		3632
2298	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2299	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2300	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2302	(async {	3646	(async {
2303	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
2304	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
2305	};	3650	};
2306		3651
2307	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
2308	db_load;	3653
		3654	cf::sync_job {
		3655	init_inc;
		3656
		3657	cf::init_experience;
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663	cf::load_materials;
		3664
		3665	reload_resources;
		3666	reload_config;
		3667	db_init;
		3668
		3669	cf::init_uuid;
		3670	cf::init_signals;
		3671	cf::init_skills;
		3672
		3673	cf::init_beforeplay;
		3674
		3675	atomic;
		3676
2309	load_extensions;	3677	load_extensions;
2310		3678
2311	$TICK_WATCHER->start;	3679	utime time, time, $RUNTIMEFILE;
2312	Event::loop;	3680
		3681	# no (long-running) fork's whatsoever before this point(!)
		3682	use POSIX ();
		3683	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3684
		3685	(pop @POST_INIT)->(0) while @POST_INIT;
		3686	};
		3687
		3688	cf::object::thawer::errors_are_fatal 0;
		3689	info "parse errors in files are no longer fatal from this point on.\n";
		3690
		3691	my $free_main; $free_main = EV::idle sub {
		3692	undef $free_main;
		3693	undef &main; # free gobs of memory :)
		3694	};
		3695
		3696	goto &main_loop;
2313	}	3697	}
2314		3698
2315	#############################################################################	3699	#############################################################################
2316	# initialisation and cleanup	3700	# initialisation and cleanup
2317		3701
2318	# install some emergency cleanup handlers	3702	# install some emergency cleanup handlers
2319	BEGIN {	3703	BEGIN {
		3704	our %SIGWATCHER = ();
2320	for my $signal (qw(INT HUP TERM)) {	3705	for my $signal (qw(INT HUP TERM)) {
2321	Event->signal (	3706	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2322	reentrant => 0,
2323	data => WF_AUTOCANCEL,
2324	signal => $signal,
2325	prio => 0,
2326	cb => sub {
2327	cf::cleanup "SIG$signal";	3707	cf::cleanup "SIG$signal";
2328	},
2329	);	3708	};
		3709	}
		3710	}
		3711
		3712	sub write_runtime_sync {
		3713	my $t0 = AE::time;
		3714
		3715	# first touch the runtime file to show we are still running:
		3716	# the fsync below can take a very very long time.
		3717
		3718	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3719
		3720	my $guard = cf::lock_acquire "write_runtime";
		3721
		3722	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3723	or return;
		3724
		3725	my $value = $cf::RUNTIME + 90 + 10;
		3726	# 10 is the runtime save interval, for a monotonic clock
		3727	# 60 allows for the watchdog to kill the server.
		3728
		3729	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3730	and return;
		3731
		3732	# always fsync - this file is important
		3733	aio_fsync $fh
		3734	and return;
		3735
		3736	# touch it again to show we are up-to-date
		3737	aio_utime $fh, undef, undef;
		3738
		3739	close $fh
		3740	or return;
		3741
		3742	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3743	and return;
		3744
		3745	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3746
2330	}	3747	1
		3748	}
		3749
		3750	our $uuid_lock;
		3751	our $uuid_skip;
		3752
		3753	sub write_uuid_sync($) {
		3754	$uuid_skip ||= $_[0];
		3755
		3756	return if $uuid_lock;
		3757	local $uuid_lock = 1;
		3758
		3759	my $uuid = "$LOCALDIR/uuid";
		3760
		3761	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3762	or return;
		3763
		3764	my $value = uuid_seq uuid_cur;
		3765
		3766	unless ($value) {
		3767	info "cowardly refusing to write zero uuid value!\n";
		3768	return;
		3769	}
		3770
		3771	my $value = uuid_str $value + $uuid_skip;
		3772	$uuid_skip = 0;
		3773
		3774	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3775	and return;
		3776
		3777	# always fsync - this file is important
		3778	aio_fsync $fh
		3779	and return;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$uuid~", $uuid
		3785	and return;
		3786
		3787	trace "uuid file written ($value).\n";
		3788
		3789	1
		3790
		3791	}
		3792
		3793	sub write_uuid($$) {
		3794	my ($skip, $sync) = @_;
		3795
		3796	$sync ? write_uuid_sync $skip
		3797	: async { write_uuid_sync $skip };
2331	}	3798	}
2332		3799
2333	sub emergency_save() {	3800	sub emergency_save() {
2334	my $freeze_guard = cf::freeze_mainloop;	3801	my $freeze_guard = cf::freeze_mainloop;
2335		3802
2336	warn "enter emergency perl save\n";	3803	info "emergency_perl_save: enter\n";
		3804
		3805	# this is a trade-off: we want to be very quick here, so
		3806	# save all maps without fsync, and later call a global sync
		3807	# (which in turn might be very very slow)
		3808	local $USE_FSYNC = 0;
2337		3809
2338	cf::sync_job {	3810	cf::sync_job {
		3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
2339	# use a peculiar iteration method to avoid tripping on perl	3813	# use a peculiar iteration method to avoid tripping on perl
2340	# refcount bugs in for. also avoids problems with players	3814	# refcount bugs in for. also avoids problems with players
2341	# and maps saved/destroyed asynchronously.	3815	# and maps saved/destroyed asynchronously.
2342	warn "begin emergency player save\n";	3816	info "emergency_perl_save: begin player save\n";
2343	for my $login (keys %cf::PLAYER) {	3817	for my $login (keys %cf::PLAYER) {
2344	my $pl = $cf::PLAYER{$login} or next;	3818	my $pl = $cf::PLAYER{$login} or next;
2345	$pl->valid or next;	3819	$pl->valid or next;
		3820	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2346	$pl->save;	3821	$pl->save;
2347	}	3822	}
2348	warn "end emergency player save\n";	3823	info "emergency_perl_save: end player save\n";
2349		3824
2350	warn "begin emergency map save\n";	3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	info "emergency_perl_save: begin map save\n";
2351	for my $path (keys %cf::MAP) {	3828	for my $path (keys %cf::MAP) {
2352	my $map = $cf::MAP{$path} or next;	3829	my $map = $cf::MAP{$path} or next;
2353	$map->valid or next;	3830	$map->valid or next;
2354	$map->save;	3831	$map->save;
2355	}	3832	}
2356	warn "end emergency map save\n";	3833	info "emergency_perl_save: end map save\n";
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	info "emergency_perl_save: begin database checkpoint\n";
		3838	BDB::db_env_txn_checkpoint $DB_ENV;
		3839	info "emergency_perl_save: end database checkpoint\n";
		3840
		3841	info "emergency_perl_save: begin write uuid\n";
		3842	write_uuid_sync 1;
		3843	info "emergency_perl_save: end write uuid\n";
		3844
		3845	cf::write_runtime_sync; # external watchdog should not bark
		3846
		3847	trace "emergency_perl_save: syncing database to disk";
		3848	BDB::db_env_txn_checkpoint $DB_ENV;
		3849
		3850	info "emergency_perl_save: starting sync\n";
		3851	IO::AIO::aio_sync sub {
		3852	info "emergency_perl_save: finished sync\n";
		3853	};
		3854
		3855	cf::write_runtime_sync; # external watchdog should not bark
		3856
		3857	trace "emergency_perl_save: flushing outstanding aio requests";
		3858	while (IO::AIO::nreqs || BDB::nreqs) {
		3859	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3860	}
		3861
		3862	cf::write_runtime_sync; # external watchdog should not bark
2357	};	3863	};
2358		3864
2359	warn "leave emergency perl save\n";	3865	info "emergency_perl_save: leave\n";
2360	}	3866	}
2361		3867
		3868	sub post_cleanup {
		3869	my ($make_core) = @_;
		3870
		3871	IO::AIO::flush;
		3872
		3873	error Carp::longmess "post_cleanup backtrace"
		3874	if $make_core;
		3875
		3876	my $fh = pidfile;
		3877	unlink $PIDFILE if <$fh> == $$;
		3878	}
		3879
		3880	# a safer delete_package, copied from Symbol
		3881	sub clear_package($) {
		3882	my $pkg = shift;
		3883
		3884	# expand to full symbol table name if needed
		3885	unless ($pkg =~ /^main::.*::$/) {
		3886	$pkg = "main$pkg" if $pkg =~ /^::/;
		3887	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3888	$pkg .= '::' unless $pkg =~ /::$/;
		3889	}
		3890
		3891	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3892	my $stem_symtab = *{$stem}{HASH};
		3893
		3894	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3895	or return;
		3896
		3897	# clear all symbols
		3898	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3899	for my $name (keys %$leaf_symtab) {
		3900	_gv_clear *{"$pkg$name"};
		3901	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3902	}
		3903	}
		3904
2362	sub reload() {	3905	sub do_reload_perl() {
2363	# can/must only be called in main	3906	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3907	if (in_main) {
2365	warn "can only reload from main coroutine";	3908	error "can only reload from main coroutine";
2366	return;	3909	return;
2367	}	3910	}
2368		3911
		3912	return if $RELOAD++;
		3913
		3914	my $t1 = AE::time;
		3915
		3916	while ($RELOAD) {
2369	warn "reloading...";	3917	info "reloading...";
2370		3918
2371	warn "cancelling server ticker";	3919	trace "entering sync_job";
2372	$TICK_WATCHER->cancel;
2373		3920
		3921	cf::sync_job {
2374	cf::emergency_save;	3922	cf::emergency_save;
2375		3923
2376	eval {
2377	# if anything goes wrong in here, we should simply crash as we already saved
2378
2379	warn "syncing database to disk";
2380	cf::db_sync;
2381
2382	warn "cancelling all WF_AUTOCANCEL watchers";
2383	for (Event::all_watchers) {
2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2385	}
2386
2387	warn "flushing outstanding aio requests";
2388	for (;;) {
2389	IO::AIO::flush;
2390	Coro::cede;
2391	last unless IO::AIO::nreqs;
2392	warn "iterate...";
2393	}
2394
2395	warn "cancelling all extension coros";	3924	trace "cancelling all extension coros";
2396	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2397	%EXT_CORO = ();	3926	%EXT_CORO = ();
2398		3927
2399	warn "removing commands";	3928	trace "removing commands";
2400	%COMMAND = ();	3929	%COMMAND = ();
2401		3930
2402	warn "removing ext commands";	3931	trace "removing ext/exti commands";
2403	%EXTCMD = ();	3932	%EXTCMD = ();
		3933	%EXTICMD = ();
2404		3934
2405	warn "unloading/nuking all extensions";	3935	trace "unloading/nuking all extensions";
2406	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2407	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2408		3938
2409	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2410	eval {	3940	eval {
2411	$cb->($pkg);	3941	$cb->($pkg);
2412	1	3942	1
2413	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2414	}	3948	}
2415		3949
2416	warn "... nuking $pkg";
2417	Symbol::delete_package $pkg;
2418	}
2419
2420	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "unloading all perl modules loaded from $LIBDIR";
2421	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2423		3953
2424	warn "... unloading $k";	3954	trace "... unloading $k";
2425	delete $INC{$k};	3955	delete $INC{$k};
2426		3956
2427	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2428	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2429		3959
2430	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2431	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2432	}	3965	}
2433		3966
2434	Symbol::delete_package $k;
2435	}
2436
2437	warn "getting rid of safe::, as good as possible";	3967	trace "getting rid of safe::, as good as possible";
2438	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2440		3970
2441	warn "unloading cf.pm \"a bit\"";	3971	trace "unloading cf.pm \"a bit\"";
2442	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
		3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2443		3974
2444	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2445	# and global variables created in xs	3976	# and global variables created in xs
2446	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2447		3978
2448	warn "unload completed, starting to reload now";	3979	info "unload completed, starting to reload now";
2449		3980
2450	warn "reloading cf.pm";	3981	trace "reloading cf.pm";
2451	require cf;	3982	require cf;
2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2453		3984
2454	warn "loading config and database again";	3985	trace "loading config and database again";
2455	cf::cfg_load;	3986	cf::reload_config;
2456	cf::db_load;
2457		3987
2458	warn "loading extensions";	3988	trace "loading extensions";
2459	cf::load_extensions;	3989	cf::load_extensions;
2460		3990
		3991	if ($REATTACH_ON_RELOAD) {
2461	warn "reattaching attachments to objects/players";	3992	trace "reattaching attachments to objects/players";
2462	_global_reattach;	3993	_global_reattach; # objects, sockets
2463	warn "reattaching attachments to maps";	3994	trace "reattaching attachments to maps";
2464	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
		3996	trace "reattaching attachments to players";
		3997	reattach $_ for values %PLAYER;
		3998	}
2465		3999
2466	warn "restarting server ticker";	4000	trace "running post_init jobs";
		4001	(pop @POST_INIT)->(1) while @POST_INIT;
2467		4002
2468	$TICK_WATCHER->start;	4003	trace "leaving sync_job";
		4004
		4005	1
		4006	} or do {
		4007	error $@;
		4008	cf::cleanup "error while reloading, exiting.";
		4009	};
		4010
		4011	info "reloaded";
		4012	--$RELOAD;
		4013	}
		4014
		4015	$t1 = AE::time - $t1;
		4016	info "reload completed in ${t1}s\n";
		4017	};
		4018
		4019	our $RELOAD_WATCHER; # used only during reload
		4020
		4021	sub reload_perl() {
		4022	# doing reload synchronously and two reloads happen back-to-back,
		4023	# coro crashes during coro_state_free->destroy here.
		4024
		4025	$RELOAD_WATCHER ||= cf::async {
		4026	Coro::AIO::aio_wait cache_extensions;
		4027
		4028	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4029	do_reload_perl;
		4030	undef $RELOAD_WATCHER;
		4031	};
2469	};	4032	};
2470		4033	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		4034
2482	register_command "reload" => sub {	4035	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	4036	my ($who, $arg) = @_;
2484		4037
2485	if ($who->flag (FLAG_WIZ)) {	4038	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	4039	$who->message ("reloading server.");
2487		4040	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	4041	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	4042	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	4043	};
2500	}	4044	}
2501	};	4045	};
2502		4046
2503	unshift @INC, $LIBDIR;	4047	#############################################################################
2504		4048
2505	my $bug_warning = 0;	4049	my $bug_warning = 0;
2506		4050
2507	$TICK_WATCHER = Event->timer (	4051	our @WAIT_FOR_TICK;
2508	reentrant => 0,	4052	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	4053
2510	prio => 0,	4054	sub wait_for_tick {
2511	at => $NEXT_TICK || $TICK,	4055	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	4056
2513	cb => sub {	4057	my $signal = new Coro::Signal;
		4058	push @WAIT_FOR_TICK, $signal;
		4059	$signal->wait;
		4060	}
		4061
		4062	sub wait_for_tick_begin {
		4063	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4064
		4065	my $signal = new Coro::Signal;
		4066	push @WAIT_FOR_TICK_BEGIN, $signal;
		4067	$signal->wait;
		4068	}
		4069
		4070	sub tick {
2514	if ($Coro::current != $Coro::main) {	4071	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4072	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	4073	unless ++$bug_warning > 10;
2517	return;	4074	return;
2518	}	4075	}
2519		4076
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	4077	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		4078
2526	$WAIT_FOR_TICK->broadcast;	4079	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4080
2529	Event::sweep;	4081	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2530	Coro::cede_notself;	4082	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4083	Coro::async_pool {
		4084	$Coro::current->{desc} = "runtime saver";
		4085	write_runtime_sync
		4086	or error "ERROR: unable to write runtime file: $!";
		4087	};
		4088	}
		4089
		4090	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4091	$sig->send;
		4092	}
		4093	while (my $sig = shift @WAIT_FOR_TICK) {
		4094	$sig->send;
		4095	}
		4096
		4097	$LOAD = ($NOW - $TICK_START) / $TICK;
		4098	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4099
		4100	if (0) {
		4101	if ($NEXT_TICK) {
		4102	my $jitter = $TICK_START - $NEXT_TICK;
		4103	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4104	debug "jitter $JITTER\n";#d#
2531		4105	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	4106	}
2541	);	4107	}
2542		4108
		4109	{
		4110	# configure BDB
		4111
		4112	BDB::min_parallel 16;
		4113	BDB::max_poll_reqs $TICK * 0.1;
		4114	$AnyEvent::BDB::WATCHER->priority (1);
		4115
		4116	unless ($DB_ENV) {
		4117	$DB_ENV = BDB::db_env_create;
		4118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4119	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4120	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4121	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4122	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4123
		4124	cf::sync_job {
		4125	eval {
		4126	BDB::db_env_open
		4127	$DB_ENV,
		4128	$BDBDIR,
		4129	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4130	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4131	0666;
		4132
		4133	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4134	};
		4135
		4136	cf::cleanup "db_env_open(db): $@" if $@;
		4137	};
		4138	}
		4139
		4140	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4141	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4142	};
		4143	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4144	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4145	};
		4146	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4147	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4148	};
		4149	}
		4150
		4151	{
		4152	# configure IO::AIO
		4153
		4154	IO::AIO::min_parallel 8;
2543	IO::AIO::max_poll_time $TICK * 0.1;	4155	IO::AIO::max_poll_time $TICK * 0.1;
		4156	undef $AnyEvent::AIO::WATCHER;
		4157	}
2544		4158
2545	undef $Coro::AIO::WATCHER;	4159	my $_log_backtrace;
2546	$AIO_POLL_WATCHER = Event->io (
2547	reentrant => 0,
2548	fd => IO::AIO::poll_fileno,
2549	poll => 'r',
2550	prio => 6,
2551	data => WF_AUTOCANCEL,
2552	cb => \&IO::AIO::poll_cb,
2553	);
2554		4160
2555	$WRITE_RUNTIME_WATCHER = Event->timer (	4161	sub _log_backtrace {
2556	reentrant => 0,	4162	my ($msg, @addr) = @_;
2557	data => WF_AUTOCANCEL,	4163
2558	after => 1,	4164	$msg =~ s/\n//;
2559	interval => 10,	4165
2560	prio => 6, # keep it lowest so it acts like a watchdog	4166	# limit the # of concurrent backtraces
2561	cb => Coro::unblock_sub {	4167	if ($_log_backtrace < 2) {
2562	write_runtime	4168	++$_log_backtrace;
2563	or warn "ERROR: unable to write runtime file: $!";	4169	my $perl_bt = Carp::longmess $msg;
		4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
		4173	my @bt = fork_call {
		4174	@addr = map { sprintf "%x", $_ } @addr;
		4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4177	or die "addr2line: $!";
		4178
		4179	my @funcs;
		4180	my @res = <$fh>;
		4181	chomp for @res;
		4182	while (@res) {
		4183	my ($func, $line) = splice @res, 0, 2, ();
		4184	push @funcs, "[$func] $line";
		4185	}
		4186
		4187	@funcs
		4188	};
		4189
		4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4192	LOG llevInfo, "[ABT] $_\n" for @bt;
		4193	--$_log_backtrace;
		4194	};
		4195	} else {
		4196	LOG llevInfo, "[ABT] $msg\n";
		4197	LOG llevInfo, "[ABT] [suppressed]\n";
2564	},	4198	}
2565	);	4199	}
		4200
		4201	# load additional modules
		4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
2566		4204
2567	END { cf::emergency_save }	4205	END { cf::emergency_save }
2568		4206
2569	1	4207	1
2570		4208

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