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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 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}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
925	1	1470	}
926	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
927	}	1481	};
928	}	1482	}
929		1483
930	#############################################################################	1484	#############################################################################
931		1485
		1486	=back
		1487
932	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
933		1489
934	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
935		1491
936	=cut	1492	=cut
937		1493
938	package cf::player;	1494	package cf::player;
939		1495
…		…
941		1497
942	=head3 cf::player	1498	=head3 cf::player
943		1499
944	=over 4	1500	=over 4
945		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
946	=item cf::player::find $login	1516	=item cf::player::find $login
947		1517
948	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
949		1519
950	=cut	1520	=cut
951		1521
952	sub playerdir($) {	1522	sub playerdir($) {
953	cf::localdir	1523	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1525	}
959		1526
960	sub path($) {	1527	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1529
963	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
964	}	1531	}
965		1532
966	sub find_active($) {	1533	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
971		1538
972	sub exists($) {	1539	sub exists($) {
973	my ($login) = @_;	1540	my ($login) = @_;
974		1541
975	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
977	}	1544	}
978		1545
979	sub find($) {	1546	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1548	my $login = $_[0];
982		1549
983	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
984		1551
985	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
987	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
989	}	1569	}
990	}	1570	}
991	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
992		1585
993	sub save($) {	1586	sub save($) {
994	my ($pl) = @_;	1587	my ($pl) = @_;
995		1588
996	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1002		1595
1003	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1005		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1006	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1007	Coro::cede;	1605	cf::cede_to_tick;
1008	}	1606	}
1009		1607
1010	sub new($) {	1608	sub new($) {
1011	my ($login) = @_;	1609	my ($login) = @_;
1012		1610
…		…
1018	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1019		1617
1020	$self	1618	$self
1021	}	1619	}
1022		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1023	=item $pl->quit_character	1631	=item $pl->quit_character
1024		1632
1025	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1027		1635
1028	=cut	1636	=cut
1029		1637
1030	sub quit_character {	1638	sub quit_character {
1031	my ($pl) = @_;	1639	my ($pl) = @_;
1032		1640
		1641	my $name = $pl->ob->name;
		1642
1033	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1645
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1040		1651
1041	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1656	$pl->destroy;
		1657
		1658	my $prefix = qr<^~\Q$name\E/>;
		1659
		1660	# nuke player maps
		1661	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1662
1046	IO::AIO::aio_rmtree $temp;	1663	IO::AIO::aio_rmtree $temp;
		1664	}
		1665
		1666	=item $pl->kick
		1667
		1668	Kicks a player out of the game. This destroys the connection.
		1669
		1670	=cut
		1671
		1672	sub kick {
		1673	my ($pl, $kicker) = @_;
		1674
		1675	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1676	$pl->killer ("kicked");
		1677	$pl->ns->destroy;
1047	}	1678	}
1048		1679
1049	=item cf::player::list_logins	1680	=item cf::player::list_logins
1050		1681
1051	Returns am arrayref of all valid playernames in the system, can take a	1682	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1053		1684
1054	=cut	1685	=cut
1055		1686
1056	sub list_logins {	1687	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1689	or return [];
1059		1690
1060	my @logins;	1691	my @logins;
1061		1692
1062	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1066		1703
1067	utf8::decode $login;	1704	utf8::decode $login;
1068	push @logins, $login;	1705	push @logins, $login;
1069	}	1706	}
1070		1707
1071	\@logins	1708	\@logins
1072	}	1709	}
1073		1710
1074	=item $player->maps	1711	=item $player->maps
1075		1712
		1713	=item cf::player::maps $login
		1714
1076	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1077	player. May block.	1716	player. May block.
1078		1717
1079	=cut	1718	=cut
1080		1719
1081	sub maps($) {	1720	sub maps($) {
1082	my ($pl) = @_;	1721	my ($pl) = @_;
		1722
		1723	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1724
1084	my $files = aio_readdir playerdir $pl	1725	my $files = aio_readdir playerdir $pl
1085	or return;	1726	or return;
1086		1727
1087	my @paths;	1728	my @paths;
…		…
1089	for (@$files) {	1730	for (@$files) {
1090	utf8::decode $_;	1731	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1732	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1733	next unless /^$PATH_SEP/o;
1093		1734
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1735	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1736	}
1096		1737
1097	\@paths	1738	\@paths
1098	}	1739	}
1099		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1101		1746
1102	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1103		1748
1104	=cut	1749	=cut
1105		1750
1106	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1108		1753
1109	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1755	}
1113		1756
1114	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1115		1799
1116	=back	1800	=back
1117
1118		1801
1119	=head3 cf::map	1802	=head3 cf::map
1120		1803
1121	=over 4	1804	=over 4
1122		1805
…		…
1134	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1136		1819
1137	sub generate_random_map {	1820	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1139	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1140	$self->_create_random_map (	1826	$self->_create_random_map (
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1144	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1145	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1162		1848
1163	sub register {	1849	sub register {
1164	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1165	my $pkg = caller;	1851	my $pkg = caller;
1166		1852
1167	no strict;
1168	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1169		1854
1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1171	}	1856	}
1172		1857
1173	# also paths starting with '/'	1858	# also paths starting with '/'
1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1175		1860
1176	sub thawer_merge {	1861	sub thawer_merge {
1177	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1178		1863
1179	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1180	local $self->{path};	1865	local $self->{path};
1181	local $self->{load_path};	1866	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1867
1185	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1186	}	1869	}
1187		1870
1188	sub normalise {	1871	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1236	return $self;	1919	return $self;
1237	}	1920	}
1238	}	1921	}
1239		1922
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1924	()
1242	}	1925	}
1243		1926
1244	sub init {	1927	sub init {
1245	my ($self) = @_;	1928	my ($self) = @_;
…		…
1260		1943
1261	# the original (read-only) location	1944	# the original (read-only) location
1262	sub load_path {	1945	sub load_path {
1263	my ($self) = @_;	1946	my ($self) = @_;
1264		1947
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1266	}	1949	}
1267		1950
1268	# the temporary/swap location	1951	# the temporary/swap location
1269	sub save_path {	1952	sub save_path {
1270	my ($self) = @_;	1953	my ($self) = @_;
1271		1954
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1274	}	1957	}
1275		1958
1276	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1277	sub uniq_path {	1960	sub uniq_path {
1278	my ($self) = @_;	1961	my ($self) = @_;
1279		1962
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1282	}	1965	}
1283		1966
1284	# and all this just because we cannot iterate over	1967	sub decay_objects {
1285	# all maps in C++...
1286	sub change_all_map_light {
1287	my ($change) = @_;	1968	my ($self) = @_;
1288		1969
1289	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1290	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1291	}	1973	}
1292		1974
1293	sub unlink_save {	1975	sub unlink_save {
1294	my ($self) = @_;	1976	my ($self) = @_;
1295		1977
1296	utf8::encode (my $save = $self->save_path);	1978	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1981	}
1305		1982
1306	sub load_header_from($) {	1983	sub load_header_from($) {
1307	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1308		1985
1309	utf8::encode $path;	1986	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1315		1995
1316	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1317		1997
1318	1	1998	1
1319	}	1999	}
…		…
1358	$self->load_header_orig	2038	$self->load_header_orig
1359	or return;	2039	or return;
1360	$self->prepare_orig;	2040	$self->prepare_orig;
1361	}	2041	}
1362		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
		2046	$self->default_region (cf::region::find_by_path $self->{path})
		2047	unless $self->default_region;
		2048
1363	1	2049	1
1364	}	2050	}
1365		2051
1366	sub find;	2052	sub find;
1367	sub find {	2053	sub find {
1368	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1369		2055
1370	$path = normalise $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
1371		2057
		2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
1373		2060
1374	$cf::MAP{$path} || do {	2061	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";
1376	my $map = new_from_path cf::map $path	2062	my $map = new_from_path cf::map $path
1377	or return;	2063	or return;
1378		2064
1379	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
1380		2066
1381	$map->load_header	2067	$map->load_header
1382	or return;	2068	or return;
1383		2069
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2071	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
		2074	undef $guard1;
1387	$map->reset;	2075	$map->reset;
1388	undef $guard;
1389	return find $path;	2076	return find $path;
1390	}	2077	}
1391		2078
1392	$cf::MAP{$path} = $map	2079	$cf::MAP{$path} = $map
1393	}	2080	}
1394	}	2081	}
1395		2082
1396	sub pre_load { }	2083	sub pre_load { }
1397	sub post_load { }	2084	#sub post_load { } # XS
1398		2085
1399	sub load {	2086	sub load {
1400	my ($self) = @_;	2087	my ($self) = @_;
1401		2088
1402	local $self->{deny_reset} = 1; # loading can take a long time	2089	local $self->{deny_reset} = 1; # loading can take a long time
1403		2090
1404	my $path = $self->{path};	2091	my $path = $self->{path};
		2092
		2093	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2094	my $guard = cf::lock_acquire "map_data:$path";
1406		2095
		2096	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2097	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		2098
1409	$self->in_memory (cf::MAP_LOADING);	2099	$self->in_memory (cf::MAP_LOADING);
1410		2100
1411	$self->alloc;	2101	$self->alloc;
1412		2102
1413	$self->pre_load;	2103	$self->pre_load;
		2104	cf::cede_to_tick;
1414		2105
1415	$self->_load_objects ($self->{load_path}, 1)	2106	my $f = new_from_file cf::object::thawer $self->{load_path};
		2107	$f->skip_block;
		2108	$self->_load_objects ($f)
1416	or return;	2109	or return;
1417		2110
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
1419	if delete $self->{load_original};	2112	if delete $self->{load_original};
1420		2113
1421	if (my $uniq = $self->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2115	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2116	unless (aio_stat $uniq) {
		2117	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2118	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2119	$self->_load_objects ($f);
		2120	$f->resolve_delayed_derefs;
		2121	}
1426	}	2122	}
1427	}	2123	}
1428		2124
1429	Coro::cede;	2125	$f->resolve_delayed_derefs;
1430		2126
		2127	cf::cede_to_tick;
1431	# now do the right thing for maps	2128	# now do the right thing for maps
1432	$self->link_multipart_objects;	2129	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2130	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2131	unless $self->difficulty;
1442	Coro::cede;	2132	cf::cede_to_tick;
		2133
		2134	unless ($self->{deny_activate}) {
		2135	$self->decay_objects;
		2136	$self->fix_auto_apply;
		2137	$self->update_buttons;
		2138	cf::cede_to_tick;
1443	$self->activate;	2139	$self->activate;
		2140	}
		2141
		2142	$self->{last_save} = $cf::RUNTIME;
		2143	$self->last_access ($cf::RUNTIME);
		2144
		2145	$self->in_memory (cf::MAP_ACTIVE);
1444	}	2146	}
1445		2147
1446	$self->post_load;	2148	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	2149	}
1450		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
1451	sub customise_for {	2154	sub customise_for {
1452	my ($self, $ob) = @_;	2155	my ($self, $ob) = @_;
1453		2156
1454	return find "~" . $ob->name . "/" . $self->{path}	2157	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2158	if $self->per_player;
1456		2159
		2160	# return find "?party/" . $ob->name . "/" . $self->{path}
		2161	# if $self->per_party;
		2162
1457	$self	2163	$self
1458	}	2164	}
1459		2165
1460	# find and load all maps in the 3x3 area around a map	2166	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2167	sub load_neighbours {
1462	my ($map) = @_;	2168	my ($map) = @_;
1463		2169
1464	my @diag; # diagonal neighbours	2170	my @neigh; # diagonal neighbours
1465		2171
1466	for (0 .. 3) {	2172	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2173	my $neigh = $map->tile_path ($_)
1468	or next;	2174	or next;
1469	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
1470	or next;	2176	or next;
1471	$neigh->load;	2177	$neigh->load;
1472		2178
		2179	# now find the diagonal neighbours
		2180	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2183	}
1476		2184
1477	for (@diag) {	2185	for (grep defined $_->[0], @neigh) {
		2186	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2187	my $neigh = find $path, $origin
1479	or next;	2188	or next;
1480	$neigh->load;	2189	$neigh->load;
1481	}	2190	}
1482	}	2191	}
1483		2192
1484	sub find_sync {	2193	sub find_sync {
1485	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
1486		2195
1487	cf::sync_job { find $path, $origin }	2196	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2197	if $Coro::current == $Coro::main;
		2198
		2199	find $path, $origin
1488	}	2200	}
1489		2201
1490	sub do_load_sync {	2202	sub do_load_sync {
1491	my ($map) = @_;	2203	my ($map) = @_;
1492		2204
1493	cf::sync_job { $map->load };	2205	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2206	if $Coro::current == $Coro::main;
		2207
		2208	$map->load;
1494	}	2209	}
1495		2210
1496	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2212	our $MAP_PREFETCHER = undef;
1498		2213
1499	sub find_async {	2214	sub find_async {
1500	my ($path, $origin) = @_;	2215	my ($path, $origin, $load) = @_;
1501		2216
1502	$path = normalise $path, $origin && $origin->{path};	2217	$path = normalise $path, $origin && $origin->{path};
1503		2218
1504	if (my $map = $cf::MAP{$path}) {	2219	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2220	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506	}	2221	}
1507		2222
1508	undef $MAP_PREFETCH{$path};	2223	$MAP_PREFETCH{$path} |= $load;
		2224
1509	$MAP_PREFETCHER ||= cf::async {	2225	$MAP_PREFETCHER ||= cf::async {
		2226	$Coro::current->{desc} = "map prefetcher";
		2227
1510	while (%MAP_PREFETCH) {	2228	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2229	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2230	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2231	$map->load if $v;
		2232	}
1515		2233
1516	delete $MAP_PREFETCH{$path};	2234	delete $MAP_PREFETCH{$k};
1517	}	2235	}
1518	}	2236	}
1519	undef $MAP_PREFETCHER;	2237	undef $MAP_PREFETCHER;
1520	};	2238	};
1521	$MAP_PREFETCHER->prio (6);	2239	$MAP_PREFETCHER->prio (6);
1522		2240
1523	()	2241	()
1524	}	2242	}
1525		2243
		2244	# common code, used by both ->save and ->swapout
1526	sub save {	2245	sub _save {
1527	my ($self) = @_;	2246	my ($self) = @_;
1528
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1530		2247
1531	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1532		2249
1533	return unless $self->dirty;	2250	return unless $self->dirty;
1534		2251
…		…
1540	return if $self->{deny_save};	2257	return if $self->{deny_save};
1541		2258
1542	local $self->{last_access} = $self->last_access;#d#	2259	local $self->{last_access} = $self->last_access;#d#
1543		2260
1544	cf::async {	2261	cf::async {
		2262	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2263	$_->contr->save for $self->players;
1546	};	2264	};
		2265
		2266	cf::get_slot 0.02;
1547		2267
1548	if ($uniq) {	2268	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2269	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2270	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2271	} else {
1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1553	}	2273	}
1554	}	2274	}
1555		2275
		2276	sub save {
		2277	my ($self) = @_;
		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
		2281	$self->_save;
		2282	}
		2283
1556	sub swap_out {	2284	sub swap_out {
1557	my ($self) = @_;	2285	my ($self) = @_;
1558		2286
1559	# save first because save cedes
1560	$self->save;
1561
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2288
		2289	return if $self->in_memory != cf::MAP_ACTIVE;
		2290	return if $self->{deny_save};
1564	return if $self->players;	2291	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};
1567		2292
		2293	# first deactivate the map and "unlink" it from the core
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# then atomically save
		2299	$self->_save;
		2300
		2301	# then free the map
1568	$self->clear;	2302	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2303	}
1571		2304
1572	sub reset_at {	2305	sub reset_at {
1573	my ($self) = @_;	2306	my ($self) = @_;
1574		2307
1575	# TODO: safety, remove and allow resettable per-player maps	2308	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2309	return 1e99 if $self->{deny_reset};
1578		2310
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2311	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2312	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2313
…		…
1592	my ($self) = @_;	2324	my ($self) = @_;
1593		2325
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2327
1596	return if $self->players;	2328	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2329
1599	warn "resetting map ", $self->path;#d#	2330	cf::trace "resetting map ", $self->path, "\n";
		2331
		2332	$self->in_memory (cf::MAP_SWAPPED);
		2333
		2334	# need to save uniques path
		2335	unless ($self->{deny_save}) {
		2336	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2337
		2338	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2339	if $uniq;
		2340	}
1600		2341
1601	delete $cf::MAP{$self->path};	2342	delete $cf::MAP{$self->path};
1602		2343
1603	$self->in_memory (cf::MAP_SWAPPED);	2344	$self->deactivate;
		2345	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2346	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2347
1608	$self->unlink_save;	2348	$self->unlink_save;
1609	$self->destroy;	2349	$self->destroy;
1610	}	2350	}
1611		2351
1612	my $nuke_counter = "aaaa";	2352	my $nuke_counter = "aaaa";
1613		2353
1614	sub nuke {	2354	sub nuke {
1615	my ($self) = @_;	2355	my ($self) = @_;
1616		2356
		2357	{
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
1617	delete $cf::MAP{$self->path};	2360	delete $cf::MAP{$self->path};
1618		2361
1619	$self->unlink_save;	2362	$self->unlink_save;
1620		2363
1621	bless $self, "cf::map";	2364	bless $self, "cf::map::wrap";
1622	delete $self->{deny_reset};	2365	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2369
1627	$cf::MAP{$self->path} = $self;	2370	$cf::MAP{$self->path} = $self;
		2371	}
1628		2372
1629	$self->reset; # polite request, might not happen	2373	$self->reset; # polite request, might not happen
		2374	}
		2375
		2376	=item $maps = cf::map::tmp_maps
		2377
		2378	Returns an arrayref with all map paths of currently instantiated and saved
		2379	maps. May block.
		2380
		2381	=cut
		2382
		2383	sub tmp_maps() {
		2384	[
		2385	map {
		2386	utf8::decode $_;
		2387	/\.map$/
		2388	? normalise $_
		2389	: ()
		2390	} @{ aio_readdir $TMPDIR or [] }
		2391	]
		2392	}
		2393
		2394	=item $maps = cf::map::random_maps
		2395
		2396	Returns an arrayref with all map paths of currently instantiated and saved
		2397	random maps. May block.
		2398
		2399	=cut
		2400
		2401	sub random_maps() {
		2402	[
		2403	map {
		2404	utf8::decode $_;
		2405	/\.map$/
		2406	? normalise "?random/$_"
		2407	: ()
		2408	} @{ aio_readdir $RANDOMDIR or [] }
		2409	]
1630	}	2410	}
1631		2411
1632	=item cf::map::unique_maps	2412	=item cf::map::unique_maps
1633		2413
1634	Returns an arrayref of paths of all shared maps that have	2414	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2415	instantiated unique items. May block.
1636		2416
1637	=cut	2417	=cut
1638		2418
1639	sub unique_maps() {	2419	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2420	[
1641	or return;	2421	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2422	utf8::decode $_;
1647	next if /\.pst$/;	2423	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2424	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2425	? ()
1650	push @paths, cf::map::normalise $_;	2426	: normalise $_
		2427	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2428	]
1652
1653	\@paths
1654	}	2429	}
1655		2430
1656	package cf;	2431	=item cf::map::static_maps
		2432
		2433	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2434	file in the shared directory excluding F</styles> and F</editor>). May
		2435	block.
		2436
		2437	=cut
		2438
		2439	sub static_maps() {
		2440	my @dirs = "";
		2441	my @maps;
		2442
		2443	while (@dirs) {
		2444	my $dir = shift @dirs;
		2445
		2446	next if $dir eq "/styles" || $dir eq "/editor";
		2447
		2448	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2449	or return;
		2450
		2451	for (@$files) {
		2452	s/\.map$// or next;
		2453	utf8::decode $_;
		2454	push @maps, "$dir/$_";
		2455	}
		2456
		2457	push @dirs, map "$dir/$_", @$dirs;
		2458	}
		2459
		2460	\@maps
		2461	}
1657		2462
1658	=back	2463	=back
1659		2464
1660	=head3 cf::object	2465	=head3 cf::object
1661		2466
…		…
1665		2470
1666	=over 4	2471	=over 4
1667		2472
1668	=item $ob->inv_recursive	2473	=item $ob->inv_recursive
1669		2474
1670	Returns the inventory of the object _and_ their inventories, recursively.	2475	Returns the inventory of the object I<and> their inventories, recursively,
		2476	but I<not> the object itself.
1671		2477
1672	=cut	2478	=cut
1673		2479
1674	sub inv_recursive_;	2480	sub inv_recursive_;
1675	sub inv_recursive_ {	2481	sub inv_recursive_ {
…		…
1678		2484
1679	sub inv_recursive {	2485	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2486	inv_recursive_ inv $_[0]
1681	}	2487	}
1682		2488
		2489	=item $ref = $ob->ref
		2490
		2491	Creates and returns a persistent reference to an object that can be stored as a string.
		2492
		2493	=item $ob = cf::object::deref ($refstring)
		2494
		2495	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2496	even if the object actually exists. May block.
		2497
		2498	=cut
		2499
		2500	sub deref {
		2501	my ($ref) = @_;
		2502
		2503	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2504	my ($uuid, $name) = ($1, $2);
		2505	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2506	or return;
		2507	$pl->ob->uuid eq $uuid
		2508	or return;
		2509
		2510	$pl->ob
		2511	} else {
		2512	warn "$ref: cannot resolve object reference\n";
		2513	undef
		2514	}
		2515	}
		2516
1683	package cf;	2517	package cf;
1684		2518
1685	=back	2519	=back
1686		2520
1687	=head3 cf::object::player	2521	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2527	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2528	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
1696		2530
1697	=cut	2531	=cut
		2532
		2533	our $SAY_CHANNEL = {
		2534	id => "say",
		2535	title => "Map",
		2536	reply => "say ",
		2537	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2538	};
		2539
		2540	our $CHAT_CHANNEL = {
		2541	id => "chat",
		2542	title => "Chat",
		2543	reply => "chat ",
		2544	tooltip => "Player chat and shouts, global to the server.",
		2545	};
1698		2546
1699	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2548	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2549	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
…		…
1704		2552
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2553	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2554
1707	if ($self->{record_replies}) {	2555	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2556	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2557
1709	} else {	2558	} else {
		2559	my $pl = $self->contr;
		2560
		2561	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2562	my $dialog = $pl->{npc_dialog};
		2563	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2564
		2565	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2568	}
1712	}	2569	}
		2570	}
		2571
		2572	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2573
		2574	=cut
		2575
		2576	sub cf::object::send_msg {
		2577	my $pl = shift->contr
		2578	or return;
		2579	$pl->send_msg (@_);
1713	}	2580	}
1714		2581
1715	=item $player_object->may ("access")	2582	=item $player_object->may ("access")
1716		2583
1717	Returns wether the given player is authorized to access resource "access"	2584	Returns wether the given player is authorized to access resource "access"
…		…
1730		2597
1731	=item $player_object->enter_link	2598	=item $player_object->enter_link
1732		2599
1733	Freezes the player and moves him/her to a special map (C<{link}>).	2600	Freezes the player and moves him/her to a special map (C<{link}>).
1734		2601
1735	The player should be reasonably safe there for short amounts of time. You	2602	The player should be reasonably safe there for short amounts of time (e.g.
1736	I<MUST> call C<leave_link> as soon as possible, though.	2603	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2604	though, as the player cannot control the character while it is on the link
		2605	map.
1737		2606
1738	Will never block.	2607	Will never block.
1739		2608
1740	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
1741		2610
…		…
1761	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
1762	my ($self) = @_;	2631	my ($self) = @_;
1763		2632
1764	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
1765		2634
		2635	++$self->{_link_recursion};
		2636
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2638
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2640	if $self->map && $self->map->{path} ne "{link}";
1770		2641
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1772	}	2643	}
1773		2644
1774	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
		2647
		2648	return unless $self->contr->active;
1776		2649
1777	my $link_pos = delete $self->{_link_pos};	2650	my $link_pos = delete $self->{_link_pos};
1778		2651
1779	unless ($map) {	2652	unless ($map) {
1780	# restore original map position	2653	# restore original map position
…		…
1791	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
1792	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
1793		2666
1794	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
1797		2670
1798	$map->load;	2671	$map->load;
1799	$map->load_diag;	2672	$map->load_neighbours;
1800		2673
1801	return unless $self->contr->active;	2674	return unless $self->contr->active;
		2675
		2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2677	if ($self->enter_map ($map, $x, $y)) {
		2678	# entering was successful
		2679	delete $self->{_link_recursion};
		2680	# only activate afterwards, to support waiting in hooks
1802	$self->activate_recursive;	2681	$self->activate_recursive;
1803	$self->enter_map ($map, $x, $y);
1804	}
1805
1806	cf::player->attach (
1807	on_logout => sub {
1808	my ($pl) = @_;
1809
1810	# abort map switching before logout
1811	if ($pl->ob->{_link_pos}) {
1812	cf::sync_job {
1813	$pl->ob->leave_link
1814	};
1815	}
1816	},	2682	}
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2683
1820	# try to abort aborted map switching on player login :)	2684	}
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2685
1838	=item $player_object->goto ($path, $x, $y)	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1839		2687
		2688	Moves the player to the given map-path and coordinates by first freezing
		2689	her, loading and preparing them map, calling the provided $check callback
		2690	that has to return the map if sucecssful, and then unfreezes the player on
		2691	the new (success) or old (failed) map position. In either case, $done will
		2692	be called at the end of this process.
		2693
		2694	Note that $check will be called with a potentially non-loaded map, so if
		2695	it needs a loaded map it has to call C<< ->load >>.
		2696
1840	=cut	2697	=cut
		2698
		2699	our $GOTOGEN;
1841		2700
1842	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2702	my ($self, $path, $x, $y, $check, $done) = @_;
		2703
		2704	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2705	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2706	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2707	($path, $x, $y) = @$EMERGENCY_POSITION;
		2708	}
		2709
		2710	# do generation counting so two concurrent goto's will be executed in-order
		2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2712
1845	$self->enter_link;	2713	$self->enter_link;
1846		2714
1847	(async {	2715	(async {
		2716	$Coro::current->{desc} = "player::goto $path $x $y";
		2717
		2718	# *tag paths override both path and x|y
		2719	if ($path =~ /^\*(.*)$/) {
		2720	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2721	my $ob = $obs[rand @obs];
		2722
		2723	# see if we actually can go there
		2724	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2725	$ob = $obs[rand @obs];
		2726	} else {
		2727	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2728	}
		2729	# else put us there anyways for now #d#
		2730
		2731	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2732	} else {
		2733	($path, $x, $y) = (undef, undef, undef);
		2734	}
		2735	}
		2736
1848	my $map = eval {	2737	my $map = eval {
1849	my $map = cf::map::find $path;	2738	my $map = defined $path ? cf::map::find $path : undef;
		2739
		2740	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2741	$map = $map->customise_for ($self);
		2742	$map = $check->($map, $x, $y, $self) if $check && $map;
		2743	} else {
		2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2745	}
		2746
1851	$map	2747	$map
		2748	};
		2749
		2750	if ($@) {
		2751	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2753	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2754
		2755	if ($gen == $self->{_goto_generation}) {
		2756	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
		2758	}
		2759
		2760	$done->($self) if $done;
1856	})->prio (1);	2761	})->prio (1);
1857	}	2762	}
1858		2763
1859	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
1860		2765
…		…
1880	}	2785	}
1881		2786
1882	sub prepare_random_map {	2787	sub prepare_random_map {
1883	my ($exit) = @_;	2788	my ($exit) = @_;
1884		2789
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2790	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2791	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2792	# that depends on the exit object
1890		2793
1891	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2796	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2797	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
1898	}	2803	}
1899		2804
1900	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
1901		2806
1902	my $data = cf::to_json $rmp;	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2808	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2809	my $meta = "$RANDOMDIR/$md5.meta";
1905		2810
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2813	undef $fh;
1909	aio_rename "$meta~", $meta;	2814	aio_rename "$meta~", $meta;
1910		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
1913	}	2822	}
1914	}	2823	}
1915		2824
1916	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
1918		2827
1919	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
1920		2829
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2830	$self->enter_link;
1931		2831
1932	(async {	2832	(async {
1933	$self->deactivate_recursive; # just to be sure	2833	$Coro::current->{desc} = "enter_exit";
		2834
1934	unless (eval {	2835	unless (eval {
		2836	$self->deactivate_recursive; # just to be sure
		2837
		2838	# random map handling
		2839	{
		2840	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2841
		2842	prepare_random_map $exit
		2843	if $exit->slaying eq "/!";
		2844	}
		2845
		2846	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2847	my $x = $exit->stats->hp;
		2848	my $y = $exit->stats->sp;
		2849
1935	$self->goto ($slaying, $hp, $sp);	2850	$self->goto ($map, $x, $y);
1936		2851
		2852	# if exit is damned, update players death & WoR home-position
		2853	$self->contr->savebed ($map, $x, $y)
		2854	if $exit->flag (cf::FLAG_DAMNED);
		2855
1937	1;	2856	1
1938	}) {	2857	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
1940	. "I'll try to bring you back to the map you were before. "	2859	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2860	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2862
1944	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
1945	$self->leave_link;	2864	$self->leave_link;
1946	}	2865	}
1947	})->prio (1);	2866	})->prio (1);
1948	}	2867	}
1949		2868
…		…
1960		2879
1961	sub cf::client::send_drawinfo {	2880	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2881	my ($self, $text, $flags) = @_;
1963		2882
1964	utf8::encode $text;	2883	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2884	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2885	}
1967		2886
		2887	=item $client->send_big_packet ($pkt)
		2888
		2889	Like C<send_packet>, but tries to compress large packets, and fragments
		2890	them as required.
		2891
		2892	=cut
		2893
		2894	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2895
		2896	sub cf::client::send_big_packet {
		2897	my ($self, $pkt) = @_;
		2898
		2899	# try lzf for large packets
		2900	$pkt = "lzf " . Compress::LZF::compress $pkt
		2901	if 1024 <= length $pkt and $self->{can_lzf};
		2902
		2903	# split very large packets
		2904	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2905	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2906	$pkt = "frag";
		2907	}
		2908
		2909	$self->send_packet ($pkt);
		2910	}
		2911
		2912	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2913
		2914	Send a drawinfo or msg packet to the client, formatting the msg for the
		2915	client if neccessary. C<$type> should be a string identifying the type of
		2916	the message, with C<log> being the default. If C<$color> is negative, suppress
		2917	the message unless the client supports the msg packet.
		2918
		2919	=cut
		2920
		2921	# non-persistent channels (usually the info channel)
		2922	our %CHANNEL = (
		2923	"c/motd" => {
		2924	id => "infobox",
		2925	title => "MOTD",
		2926	reply => undef,
		2927	tooltip => "The message of the day",
		2928	},
		2929	"c/identify" => {
		2930	id => "infobox",
		2931	title => "Identify",
		2932	reply => undef,
		2933	tooltip => "Items recently identified",
		2934	},
		2935	"c/examine" => {
		2936	id => "infobox",
		2937	title => "Examine",
		2938	reply => undef,
		2939	tooltip => "Signs and other items you examined",
		2940	},
		2941	"c/shopinfo" => {
		2942	id => "infobox",
		2943	title => "Shop Info",
		2944	reply => undef,
		2945	tooltip => "What your bargaining skill tells you about the shop",
		2946	},
		2947	"c/book" => {
		2948	id => "infobox",
		2949	title => "Book",
		2950	reply => undef,
		2951	tooltip => "The contents of a note or book",
		2952	},
		2953	"c/lookat" => {
		2954	id => "infobox",
		2955	title => "Look",
		2956	reply => undef,
		2957	tooltip => "What you saw there",
		2958	},
		2959	"c/who" => {
		2960	id => "infobox",
		2961	title => "Players",
		2962	reply => undef,
		2963	tooltip => "Shows players who are currently online",
		2964	},
		2965	"c/body" => {
		2966	id => "infobox",
		2967	title => "Body Parts",
		2968	reply => undef,
		2969	tooltip => "Shows which body parts you posess and are available",
		2970	},
		2971	"c/statistics" => {
		2972	id => "infobox",
		2973	title => "Statistics",
		2974	reply => undef,
		2975	tooltip => "Shows your primary statistics",
		2976	},
		2977	"c/skills" => {
		2978	id => "infobox",
		2979	title => "Skills",
		2980	reply => undef,
		2981	tooltip => "Shows your experience per skill and item power",
		2982	},
		2983	"c/shopitems" => {
		2984	id => "infobox",
		2985	title => "Shop Items",
		2986	reply => undef,
		2987	tooltip => "Shows the items currently for sale in this shop",
		2988	},
		2989	"c/resistances" => {
		2990	id => "infobox",
		2991	title => "Resistances",
		2992	reply => undef,
		2993	tooltip => "Shows your resistances",
		2994	},
		2995	"c/pets" => {
		2996	id => "infobox",
		2997	title => "Pets",
		2998	reply => undef,
		2999	tooltip => "Shows information abotu your pets/a specific pet",
		3000	},
		3001	"c/perceiveself" => {
		3002	id => "infobox",
		3003	title => "Perceive Self",
		3004	reply => undef,
		3005	tooltip => "You gained detailed knowledge about yourself",
		3006	},
		3007	"c/uptime" => {
		3008	id => "infobox",
		3009	title => "Uptime",
		3010	reply => undef,
		3011	tooltip => "How long the server has been running since last restart",
		3012	},
		3013	"c/mapinfo" => {
		3014	id => "infobox",
		3015	title => "Map Info",
		3016	reply => undef,
		3017	tooltip => "Information related to the maps",
		3018	},
		3019	"c/party" => {
		3020	id => "party",
		3021	title => "Party",
		3022	reply => "gsay ",
		3023	tooltip => "Messages and chat related to your party",
		3024	},
		3025	"c/death" => {
		3026	id => "death",
		3027	title => "Death",
		3028	reply => undef,
		3029	tooltip => "Reason for and more info about your most recent death",
		3030	},
		3031	"c/say" => $SAY_CHANNEL,
		3032	"c/chat" => $CHAT_CHANNEL,
		3033	);
		3034
		3035	sub cf::client::send_msg {
		3036	my ($self, $channel, $msg, $color, @extra) = @_;
		3037
		3038	$msg = $self->pl->expand_cfpod ($msg)
		3039	unless $color & cf::NDI_VERBATIM;
		3040
		3041	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3042
		3043	# check predefined channels, for the benefit of C
		3044	if ($CHANNEL{$channel}) {
		3045	$channel = $CHANNEL{$channel};
		3046
		3047	$self->ext_msg (channel_info => $channel);
		3048	$channel = $channel->{id};
		3049
		3050	} elsif (ref $channel) {
		3051	# send meta info to client, if not yet sent
		3052	unless (exists $self->{channel}{$channel->{id}}) {
		3053	$self->{channel}{$channel->{id}} = $channel;
		3054	$self->ext_msg (channel_info => $channel);
		3055	}
		3056
		3057	$channel = $channel->{id};
		3058	}
		3059
		3060	return unless @extra || length $msg;
		3061
		3062	# default colour, mask it out
		3063	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3064	if $color & cf::NDI_DEF;
		3065
		3066	my $pkt = "msg "
		3067	. $self->{json_coder}->encode (
		3068	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3069	);
		3070
		3071	$self->send_big_packet ($pkt);
		3072	}
		3073
		3074	=item $client->ext_msg ($type, @msg)
		3075
		3076	Sends an ext event to the client.
		3077
		3078	=cut
		3079
		3080	sub cf::client::ext_msg($$@) {
		3081	my ($self, $type, @msg) = @_;
		3082
		3083	if ($self->extcmd == 2) {
		3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3085	} elsif ($self->extcmd == 1) { # TODO: remove
		3086	push @msg, msgtype => "event_$type";
		3087	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3088	}
		3089	}
		3090
		3091	=item $client->ext_reply ($msgid, @msg)
		3092
		3093	Sends an ext reply to the client.
		3094
		3095	=cut
		3096
		3097	sub cf::client::ext_reply($$@) {
		3098	my ($self, $id, @msg) = @_;
		3099
		3100	if ($self->extcmd == 2) {
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3102	} elsif ($self->extcmd == 1) {
		3103	#TODO: version 1, remove
		3104	unshift @msg, msgtype => "reply", msgid => $id;
		3105	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3106	}
		3107	}
1968		3108
1969	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
1970		3110
1971	Queues a query to the client, calling the given callback with	3111	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3112	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3113	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		3114
1975	Queries can fail, so check the return code. Or don't, as queries will become	3115	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	3116	become reliable at some point in the future.
1977		3117
1978	=cut	3118	=cut
1979		3119
1980	sub cf::client::query {	3120	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	3121	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	3129	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3130	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		3131
1992	$self->send_packet ($self->{query_queue}[0][0])	3132	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	3133	if @{ $self->{query_queue} } == 1;
		3134
		3135	1
1994	}	3136	}
1995		3137
1996	cf::client->attach (	3138	cf::client->attach (
		3139	on_connect => sub {
		3140	my ($ns) = @_;
		3141
		3142	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3143	},
1997	on_reply => sub {	3144	on_reply => sub {
1998	my ($ns, $msg) = @_;	3145	my ($ns, $msg) = @_;
1999		3146
2000	# this weird shuffling is so that direct followup queries	3147	# this weird shuffling is so that direct followup queries
2001	# get handled first	3148	# get handled first
2002	my $queue = delete $ns->{query_queue}	3149	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	3150	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		3151
2005	(shift @$queue)->[1]->($msg);	3152	(shift @$queue)->[1]->($msg);
		3153	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		3154
2007	push @{ $ns->{query_queue} }, @$queue;	3155	push @{ $ns->{query_queue} }, @$queue;
2008		3156
2009	if (@{ $ns->{query_queue} } == @$queue) {	3157	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	3158	if (@$queue) {
…		…
2012	} else {	3160	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3161	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	3162	}
2015	}	3163	}
2016	},	3164	},
		3165	on_exticmd => sub {
		3166	my ($ns, $buf) = @_;
		3167
		3168	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3169
		3170	if (ref $msg) {
		3171	my ($type, $reply, @payload) =
		3172	"ARRAY" eq ref $msg
		3173	? @$msg
		3174	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3175
		3176	my @reply;
		3177
		3178	if (my $cb = $EXTICMD{$type}) {
		3179	@reply = $cb->($ns, @payload);
		3180	}
		3181
		3182	$ns->ext_reply ($reply, @reply)
		3183	if $reply;
		3184
		3185	} else {
		3186	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3187	}
		3188
		3189	cf::override;
		3190	},
2017	);	3191	);
2018		3192
2019	=item $client->async (\&cb)	3193	=item $client->async (\&cb)
2020		3194
2021	Create a new coroutine, running the specified callback. The coroutine will	3195	Create a new coroutine, running the specified callback. The coroutine will
…		…
2037		3211
2038	$coro	3212	$coro
2039	}	3213	}
2040		3214
2041	cf::client->attach (	3215	cf::client->attach (
2042	on_destroy => sub {	3216	on_client_destroy => sub {
2043	my ($ns) = @_;	3217	my ($ns) = @_;
2044		3218
2045	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2046	},	3220	},
2047	);	3221	);
…		…
2062	our $safe = new Safe "safe";	3236	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
2064		3238
2065	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
2066		3240
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3241	$safe->permit_only (Opcode::opset qw(
		3242	:base_core :base_mem :base_orig :base_math :base_loop
		3243	grepstart grepwhile mapstart mapwhile
		3244	sort time
		3245	));
2068		3246
2069	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
2070		3248
2071	=pod	3249	=pod
2072		3250
2073	The following fucntions and emthods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
2074		3252
2075	cf::object contr pay_amount pay_player map	3253	cf::object
		3254	contr pay_amount pay_player map x y force_find force_add destroy
		3255	insert remove name archname title slaying race decrease split
		3256	value
		3257
2076	cf::object::player player	3258	cf::object::player
2077	cf::player peaceful	3259	player
2078	cf::map trigger	3260
		3261	cf::player
		3262	peaceful
		3263
		3264	cf::map
		3265	trigger
2079		3266
2080	=cut	3267	=cut
2081		3268
2082	for (	3269	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3270	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3271	insert remove inv nrof name archname title slaying race
		3272	decrease split destroy change_exp value msg lore send_msg)],
2084	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
2086	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
2087	) {	3276	) {
2088	no strict 'refs';
2089	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
2090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2091	for @funs;	3279	for @funs;
2092	}	3280	}
2093		3281
…		…
2108		3296
2109	my $qcode = $code;	3297	my $qcode = $code;
2110	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2111	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
2112		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
2113	local $_;	3304	local $_;
2114	local @safe::cf::_safe_eval_args = values %vars;
2115		3305
2116	my $eval =	3306	my $eval =
2117	"do {\n"	3307	"do {\n"
2118	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2119	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
2120	. $code	3310	. $code
2121	. "\n}"	3311	. "\n}"
2122	;	3312	;
2123		3313
		3314	if ($CFG{safe_eval}) {
2124	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
2125	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2126	sub_generation_inc;	3318	sub_generation_inc;
		3319	} else {
		3320	local @cf::_safe_eval_args = values %vars;
		3321	@res = wantarray ? eval eval : scalar eval $eval;
		3322	}
2127		3323
2128	if ($@) {	3324	if ($@) {
2129	warn "$@";	3325	warn "$@",
2130	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
2131	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
2132	}	3328	}
2133		3329
2134	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
2135	}	3331	}
2136		3332
…		…
2150	=cut	3346	=cut
2151		3347
2152	sub register_script_function {	3348	sub register_script_function {
2153	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
2154		3350
2155	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
2156	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
2157	}	3353	}
2158		3354
2159	=back	3355	=back
2160		3356
2161	=cut	3357	=cut
2162		3358
2163	#############################################################################	3359	#############################################################################
		3360	# the server's init and main functions
2164		3361
2165	=head2 EXTENSION DATABASE SUPPORT	3362	# async inc loader. yay.
		3363	sub inc_loader {
		3364	my $mod = $_[1];
2166		3365
2167	Crossfire maintains a very simple database for extension use. It can	3366	if (in_main && !tick_inhibit) {
2168	currently store anything that can be serialised using Storable, which	3367	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
2169	excludes objects.	3368	} else {
		3369	debug "loading perl module $mod\n";
		3370	}
2170		3371
2171	The parameter C<$family> should best start with the name of the extension	3372	# 1. find real file
2172	using it, it should be unique.	3373	for my $dir (@ORIG_INC) {
		3374	ref $dir and next;
		3375	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3376	or next;
2173		3377
2174	=over 4	3378	$data = "#line 1 $dir/$mod\n$data";
2175		3379
2176	=item $hashref = cf::db_get $family	3380	open my $fh, "<", \$data or die;
2177		3381
2178	Return a hashref for use by the extension C<$family>, which can be	3382	return $fh;
2179	modified. After modifications, you have to call C<cf::db_dirty> or	3383	}
2180	C<cf::db_sync>.
2181		3384
2182	=item $value = cf::db_get $family => $key	3385	()
		3386	}
2183		3387
2184	Returns a single value from the database	3388	sub init_inc {
		3389	# save original @INC
		3390	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
2185		3391
2186	=item cf::db_put $family => $hashref	3392	# make sure we can do scalar-opens
		3393	open my $dummy, "<", \my $dummy2;
2187		3394
2188	Stores the given family hashref into the database. Updates are delayed, if	3395	# execute some stuff so perl load's some of the core modules
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
2190		3398
2191	=item cf::db_put $family => $key => $value	3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
2192		3400
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you	3401	debug "module loading will be asynchronous from this point on.";
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.	3402	}
2195		3403
2196	=item cf::db_dirty	3404	sub load_facedata($) {
		3405	my ($path) = @_;
2197		3406
2198	Marks the database as dirty, to be updated at a later time.	3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
2199		3410
2200	=item cf::db_sync	3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2201		3412
2202	Immediately write the database to disk I<if it is dirty>.	3413	trace "loading facedata from $path\n";
2203		3414
2204	=cut	3415	my $facedata;
		3416	0 < aio_load $path, $facedata
		3417	or die "$path: $!";
2205		3418
2206	our $DB;	3419	$facedata = Coro::Storable::thaw $facedata;
2207		3420
2208	{	3421	$facedata->{version} == 2
2209	my $path = cf::localdir . "/database.pst";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2210		3423
2211	sub db_load() {	3424	# patch in the exptable
2212	$DB = stat $path ? Storable::retrieve $path : { };	3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
2213	}	3430	};
		3431	cf::cede_to_tick;
2214		3432
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3433	{
		3434	my $faces = $facedata->{faceinfo};
2226		3435
2227	my $dirty;	3436	while (my ($face, $info) = each %$faces) {
		3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3438
2229	sub db_sync() {	3439	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3440	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2232	}	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2233		3443
2234	my $idle = Event->idle (	3444	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3445	}
2268	);
2269	}
2270		3446
2271	#############################################################################	3447	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3448	next unless $info->{smooth};
2273		3449
2274	sub cfg_load {	3450	my $idx = cf::face::find $face
		3451	or next;
		3452
		3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
		3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3456	} else {
		3457	error "smooth face '$info->{smooth}' not found for face '$face'";
		3458	}
		3459
		3460	cf::cede_to_tick;
		3461	}
		3462	}
		3463
		3464	{
		3465	my $anims = $facedata->{animinfo};
		3466
		3467	while (my ($anim, $info) = each %$anims) {
		3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3469	cf::cede_to_tick;
		3470	}
		3471
		3472	cf::anim::invalidate_all; # d'oh
		3473	}
		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
		3494	1
		3495	}
		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
		3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
		3520	load_resource_file "$MAPDIR/regions"
		3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
		3527	}
		3528
		3529	sub reload_facedata {
		3530	load_facedata "$DATADIR/facedata"
		3531	or die "unable to load facedata\n";
		3532	}
		3533
		3534	sub reload_archetypes {
		3535	load_resource_file "$DATADIR/archetypes"
		3536	or die "unable to load archetypes\n";
		3537	}
		3538
		3539	sub reload_treasures {
		3540	load_resource_file "$DATADIR/treasures"
		3541	or die "unable to load treasurelists\n";
		3542	}
		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
		3567	sub reload_resources {
		3568	trace "reloading resource files...\n";
		3569
		3570	reload_facedata;
		3571	reload_sound;
		3572	reload_archetypes;
		3573	reload_regions;
		3574	reload_treasures;
		3575
		3576	trace "finished reloading resource files\n";
		3577	}
		3578
		3579	sub reload_config {
		3580	trace "reloading config file...\n";
		3581
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3583	or return;
2277		3584
2278	local $/;	3585	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
2280		3587
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2282		3589
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3590	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3591	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2285		3592
2286	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
2288	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2289	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
2290	};	3597	};
2291	warn $@ if $@;	3598	warn $@ if $@;
2292	}	3599	}
		3600
		3601	trace "finished reloading resource files\n";
		3602	}
		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
2293	}	3630	}
2294		3631
2295	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2296	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3645	(async {
2300	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2302	};	3649	};
2303		3650
2304	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
2305	db_load;	3652
		3653	cf::sync_job {
		3654	init_inc;
		3655
		3656	cf::init_experience;
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662	cf::load_materials;
		3663
		3664	reload_resources;
		3665	reload_config;
		3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2306	load_extensions;	3676	load_extensions;
2307		3677
2308	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2309	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	(pop @POST_INIT)->(0) while @POST_INIT;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2310	}	3696	}
2311		3697
2312	#############################################################################	3698	#############################################################################
2313	# initialisation and cleanup	3699	# initialisation and cleanup
2314		3700
2315	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2316	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2325	},
2326	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2327	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2328	}	3797	}
2329		3798
2330	sub emergency_save() {	3799	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2332		3801
2333	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2334		3808
2335	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2336	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2337	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2338	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2340	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3820	$pl->save;
2344	}	3821	}
2345	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2346		3823
2347	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2348	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2349	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3829	$map->valid or next;
2351	$map->save;	3830	$map->save;
2352	}	3831	}
2353	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3862	};
2355		3863
2356	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2357	}	3865	}
2358		3866
		3867	sub post_cleanup {
		3868	my ($make_core) = @_;
		3869
		3870	IO::AIO::flush;
		3871
		3872	error Carp::longmess "post_cleanup backtrace"
		3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
		3902	}
		3903
2359	sub reload() {	3904	sub do_reload_perl() {
2360	# can/must only be called in main	3905	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
2362	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2363	return;	3908	return;
2364	}	3909	}
2365		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
2366	warn "reloading...";	3916	info "reloading...";
2367		3917
2368	warn "cancelling server ticker";	3918	trace "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3919
		3920	cf::sync_job {
2371	cf::emergency_save;	3921	cf::emergency_save;
2372		3922
2373	eval {
2374	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	IO::AIO::flush;
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";	3923	trace "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3925	%EXT_CORO = ();
2395		3926
2396	warn "removing commands";	3927	trace "removing commands";
2397	%COMMAND = ();	3928	%COMMAND = ();
2398		3929
2399	warn "removing ext commands";	3930	trace "removing ext/exti commands";
2400	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2401		3933
2402	warn "unloading/nuking all extensions";	3934	trace "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2405		3937
2406	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2407	eval {	3939	eval {
2408	$cb->($pkg);	3940	$cb->($pkg);
2409	1	3941	1
2410	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2411	}	3947	}
2412		3948
2413	warn "... nuking $pkg";
2414	Symbol::delete_package $pkg;
2415	}
2416
2417	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "unloading all perl modules loaded from $LIBDIR";
2418	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		3952
2421	warn "... unloading $k";	3953	trace "... unloading $k";
2422	delete $INC{$k};	3954	delete $INC{$k};
2423		3955
2424	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2426		3958
2427	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2428	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2429	}	3964	}
2430		3965
2431	Symbol::delete_package $k;
2432	}
2433
2434	warn "getting rid of safe::, as good as possible";	3966	trace "getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3969
2438	warn "unloading cf.pm \"a bit\"";	3970	trace "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
		3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2440		3973
2441	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3975	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2444		3977
2445	warn "unload completed, starting to reload now";	3978	info "unload completed, starting to reload now";
2446		3979
2447	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
2448	require cf;	3981	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2450		3983
2451	warn "loading config and database again";	3984	trace "loading config and database again";
2452	cf::cfg_load;	3985	cf::reload_config;
2453	cf::db_load;
2454		3986
2455	warn "loading extensions";	3987	trace "loading extensions";
2456	cf::load_extensions;	3988	cf::load_extensions;
2457		3989
		3990	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	3991	trace "reattaching attachments to objects/players";
2459	_global_reattach;	3992	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3993	trace "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
		3995	trace "reattaching attachments to players";
		3996	reattach $_ for values %PLAYER;
		3997	}
2462		3998
2463	warn "restarting server ticker";	3999	trace "running post_init jobs";
		4000	(pop @POST_INIT)->(1) while @POST_INIT;
2464		4001
2465	$TICK_WATCHER->start;	4002	trace "leaving sync_job";
		4003
		4004	1
		4005	} or do {
		4006	error $@;
		4007	cf::cleanup "error while reloading, exiting.";
		4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
		4012	}
		4013
		4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
		4016	};
		4017
		4018	our $RELOAD_WATCHER; # used only during reload
		4019
		4020	sub reload_perl() {
		4021	# doing reload synchronously and two reloads happen back-to-back,
		4022	# coro crashes during coro_state_free->destroy here.
		4023
		4024	$RELOAD_WATCHER ||= cf::async {
		4025	Coro::AIO::aio_wait cache_extensions;
		4026
		4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4028	do_reload_perl;
		4029	undef $RELOAD_WATCHER;
		4030	};
2466	};	4031	};
2467		4032	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		4033
2479	register_command "reload" => sub {	4034	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
2481		4036
2482	if ($who->flag (FLAG_WIZ)) {	4037	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	4038	$who->message ("reloading server.");
2484		4039	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	4040	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	4041	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	4042	};
2497	}	4043	}
2498	};	4044	};
2499		4045
2500	unshift @INC, $LIBDIR;	4046	#############################################################################
2501		4047
2502	my $bug_warning = 0;	4048	my $bug_warning = 0;
2503		4049
2504	$TICK_WATCHER = Event->timer (	4050	our @WAIT_FOR_TICK;
2505	reentrant => 0,	4051	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	4052
2507	prio => 0,	4053	sub wait_for_tick {
2508	at => $NEXT_TICK || $TICK,	4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2509	data => WF_AUTOCANCEL,	4055
2510	cb => sub {	4056	my $signal = new Coro::Signal;
		4057	push @WAIT_FOR_TICK, $signal;
		4058	$signal->wait;
		4059	}
		4060
		4061	sub wait_for_tick_begin {
		4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4063
		4064	my $signal = new Coro::Signal;
		4065	push @WAIT_FOR_TICK_BEGIN, $signal;
		4066	$signal->wait;
		4067	}
		4068
		4069	sub tick {
2511	if ($Coro::current != $Coro::main) {	4070	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4071	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	4072	unless ++$bug_warning > 10;
2514	return;	4073	return;
2515	}	4074	}
2516		4075
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		4077
2523	$WAIT_FOR_TICK->broadcast;	4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525		4079
2526	Event::sweep;	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	Coro::cede_notself;	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4082	Coro::async_pool {
		4083	$Coro::current->{desc} = "runtime saver";
		4084	write_runtime_sync
		4085	or error "ERROR: unable to write runtime file: $!";
		4086	};
		4087	}
		4088
		4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4090	$sig->send;
		4091	}
		4092	while (my $sig = shift @WAIT_FOR_TICK) {
		4093	$sig->send;
		4094	}
		4095
		4096	$LOAD = ($NOW - $TICK_START) / $TICK;
		4097	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4098
		4099	if (0) {
		4100	if ($NEXT_TICK) {
		4101	my $jitter = $TICK_START - $NEXT_TICK;
		4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4103	debug "jitter $JITTER\n";#d#
2528		4104	}
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},	4105	}
2538	);	4106	}
2539		4107
		4108	{
		4109	# configure BDB
		4110
		4111	BDB::min_parallel 16;
		4112	BDB::max_poll_reqs $TICK * 0.1;
		4113	$AnyEvent::BDB::WATCHER->priority (1);
		4114
		4115	unless ($DB_ENV) {
		4116	$DB_ENV = BDB::db_env_create;
		4117	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4118	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4119	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4120	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4121	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4122
		4123	cf::sync_job {
		4124	eval {
		4125	BDB::db_env_open
		4126	$DB_ENV,
		4127	$BDBDIR,
		4128	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4129	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4130	0666;
		4131
		4132	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4133	};
		4134
		4135	cf::cleanup "db_env_open(db): $@" if $@;
		4136	};
		4137	}
		4138
		4139	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4140	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4141	};
		4142	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4143	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4144	};
		4145	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4146	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4147	};
		4148	}
		4149
		4150	{
		4151	# configure IO::AIO
		4152
		4153	IO::AIO::min_parallel 8;
2540	IO::AIO::max_poll_time $TICK * 0.1;	4154	IO::AIO::max_poll_time $TICK * 0.1;
		4155	undef $AnyEvent::AIO::WATCHER;
		4156	}
2541		4157
2542	undef $Coro::AIO::WATCHER;	4158	my $_log_backtrace;
2543	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551		4159
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	4160	sub _log_backtrace {
2553	reentrant => 0,	4161	my ($msg, @addr) = @_;
2554	data => WF_AUTOCANCEL,	4162
2555	after => 1,	4163	$msg =~ s/\n//;
2556	interval => 10,	4164
2557	prio => 6, # keep it lowest so it acts like a watchdog	4165	# limit the # of concurrent backtraces
2558	cb => Coro::unblock_sub {	4166	if ($_log_backtrace < 2) {
2559	write_runtime	4167	++$_log_backtrace;
2560	or warn "ERROR: unable to write runtime file: $!";	4168	my $perl_bt = Carp::longmess $msg;
		4169	async {
		4170	$Coro::current->{desc} = "abt $msg";
		4171
		4172	my @bt = fork_call {
		4173	@addr = map { sprintf "%x", $_ } @addr;
		4174	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4175	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4176	or die "addr2line: $!";
		4177
		4178	my @funcs;
		4179	my @res = <$fh>;
		4180	chomp for @res;
		4181	while (@res) {
		4182	my ($func, $line) = splice @res, 0, 2, ();
		4183	push @funcs, "[$func] $line";
		4184	}
		4185
		4186	@funcs
		4187	};
		4188
		4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4191	LOG llevInfo, "[ABT] $_\n" for @bt;
		4192	--$_log_backtrace;
		4193	};
		4194	} else {
		4195	LOG llevInfo, "[ABT] $msg\n";
		4196	LOG llevInfo, "[ABT] [suppressed]\n";
2561	},	4197	}
2562	);	4198	}
		4199
		4200	# load additional modules
		4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
2563		4203
2564	END { cf::emergency_save }	4204	END { cf::emergency_save }
2565		4205
2566	1	4206	1
2567		4207

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