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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.545 by root, Thu May 6 22:35:41 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 3.3 ();	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 incloader);
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;
		170
		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::"} };
87		187
88	#############################################################################	188	#############################################################################
89		189
90	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
91		191
…		…
98	=item $cf::RUNTIME	198	=item $cf::RUNTIME
99		199
100	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
101	every server tick.	201	every server tick.
102		202
103	=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
104		206
105	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		211
108	=item $cf::NOW	212	=item $cf::NOW
109		213
110	The time of the last (current) server tick.	214	The time of the last (current) server tick.
111		215
112	=item $cf::TICK	216	=item $cf::TICK
113		217
114	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	230	=item %cf::CFG
117		231
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	233	from wherever your confdir points to.
120		234
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		236
123	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
124	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
125	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.
126	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.
127		252
128	=back	253	=back
129		254
130	=cut	255	=cut
131		256
132	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
133	*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 {
134	my $msg = join "", @_;	264	my $msg = join "", @_;
135	utf8::encode $msg;
136		265
137	$msg .= "\n"	266	$msg .= "\n"
138	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
139		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
140	LOG llevError, $msg;	271	LOG llevWarn, $msg;
141	};	272	};
142	}	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	};
143		287
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		295
151	# 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
152	# within the Safe compartment.	297	# within the Safe compartment.
153	for my $pkg (qw(	298	for my $pkg (qw(
154	cf::global cf::attachable	299	cf::global cf::attachable
155	cf::object cf::object::player	300	cf::object cf::object::player
156	cf::client cf::player	301	cf::client cf::player
157	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
158	cf::map cf::party cf::region	304	cf::party cf::region
159	)) {	305	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	307	}
163		308
164	$Event::DIED = sub {	309	$EV::DIED = sub {
165	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
166	};	311	};
		312
		313	#############################################################################
167		314
168	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
169		316
170	=over 4	317	=over 4
171		318
…		…
190	$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;
191	$d	338	$d
192	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
193	}	340	}
194		341
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
198		343
199	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
200		345
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
209		347
210	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
211		349
212	=cut	350	=cut
213		351
214	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
216	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;
217	}	369	}
218		370
219	=item cf::lock_wait $string	371	=item cf::lock_wait $string
220		372
221	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
222		374
223	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
224		376
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
228	returned.	380	returned.
229		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
230	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
231	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
232		387
233	=cut	388	=item $locked = cf::lock_active $string
234		389
235	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
236		395
237	sub lock_wait($) {	396	sub lock_wait($) {
238	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	398	}
246		399
247	sub lock_acquire($) {	400	sub lock_acquire($) {
248	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
249		403
250	# wait, to be sure we are not locked	404	sub lock_active($) {
251	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	406	}
260		407
261	sub freeze_mainloop {	408	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
263		410
264	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	412	}
266	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
267	};	478	}
268	$WRITE_RUNTIME_WATCHER->stop;	479	};
269	$TICK_WATCHER->stop;	480
270	$guard	481	sub get_slot($;$$) {
		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	$sig->wait;
271	}	494	}
272		495
273	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
274		497
275	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		503
281	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
282		505
283	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
284		507
285	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
288		512
289	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
292	fast or be very important.	516	fast or be very important.
…		…
294	=cut	518	=cut
295		519
296	sub sync_job(&) {	520	sub sync_job(&) {
297	my ($job) = @_;	521	my ($job) = @_;
298		522
299	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
300	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
302		528
303	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	530
305	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
306		532
307	my $busy = 1;	533	my $busy = 1;
308	my @res;	534	my @res;
309		535
310	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	538	@res = eval { $job->() };
312	warn $@ if $@;	539	error $@ if $@;
313	undef $busy;	540	undef $busy;
314	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
315		542
316	while ($busy) {	543	while ($busy) {
317	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
318	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
319		554
320	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
321	} else {	556	} else {
322	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
323		558
…		…
343	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
344		579
345	$coro	580	$coro
346	}	581	}
347		582
348	sub write_runtime {	583	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		584
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
352	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.
353		589
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	590	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		591
358	aio_fsync $fh	592	sub fork_call(&@) {
359	and return;	593	my ($cb, @args) = @_;
360		594
361	close $fh	595	# we seemingly have to make a local copy of the whole thing,
362	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
363		598
364	aio_rename "$runtime~", $runtime	599	my @res = Coro::Util::fork_eval {
365	and return;	600	reset_signals;
		601	&$cb
		602	}, @args;
366		603
		604	wantarray ? @res : $res[-1]
		605	}
		606
		607	sub objinfo {
367	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 });
368	}	783	}
369		784
370	=back	785	=back
371		786
372	=cut	787	=cut
373		788
374	#############################################################################	789	#############################################################################
375		790
376	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
377		792
378	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
379	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")
380	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
381		796
382	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>
383	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
384	crossfire+).	799	Deliantra).
385		800
386	=over 4	801	=over 4
387		802
388	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
389		804
…		…
433	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
434		849
435	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
437		852
438	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
439	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.
440		855
441	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
442		857
443	=over 4	858	=over 4
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	918	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	919	our @CB_MAP = ();
505		920
506	my %attachment;	921	my %attachment;
507		922
		923	sub cf::attachable::thawer_merge {
		924	# simply override everything except _meta
		925	local $_[0]{_meta};
		926	%{$_[0]} = %{$_[1]};
		927	}
		928
508	sub _attach_cb($$$$) {	929	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	930	my ($registry, $event, $prio, $cb) = @_;
510		931
511	use sort 'stable';	932	use sort 'stable';
512		933
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
547		968
548	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		973
553	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	975	my $pkg = shift @arg;
555		976
556	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
561		982
562	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
563	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
564		985
565	} elsif (ref $type) {	986	} elsif (ref $type) {
566	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
567		988
568	} else {	989	} else {
569	shift @arg;	990	shift @arg;
570	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
571	}	992	}
572	}	993	}
573	}	994	}
574		995
575	sub _object_attach {	996	sub _object_attach {
…		…
585	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
586	}	1007	}
587		1008
588	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
589	} else {	1010	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
591	}	1012	}
592		1013
593	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
594	}	1015	}
595		1016
…		…
597	if (ref $_[0]) {	1018	if (ref $_[0]) {
598	_object_attach @_;	1019	_object_attach @_;
599	} else {	1020	} else {
600	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
601	}	1022	}
		1023	_recalc_want;
602	};	1024	};
603		1025
604	# all those should be optimised	1026	# all those should be optimised
605	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
610	reattach ($obj);	1032	reattach ($obj);
611	} else {	1033	} else {
612	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
613	}	1035	}
		1036	_recalc_want;
614	};	1037	};
615		1038
616	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
618		1041
…		…
633	";	1056	";
634	die if $@;	1057	die if $@;
635	}	1058	}
636		1059
637	our $override;	1060	our $override;
638	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?
639		1062
640	sub override {	1063	sub override {
641	$override = 1;	1064	$override = 1;
642	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
643	}	1066	}
644		1067
645	sub do_invoke {	1068	sub do_invoke {
646	my $event = shift;	1069	my $event = shift;
647	my $callbacks = shift;	1070	my $callbacks = shift;
648		1071
649	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
650		1073
651	local $override;	1074	local $override;
652		1075
653	for (@$callbacks) {	1076	for (@$callbacks) {
654	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
655		1078
656	if ($@) {	1079	if ($@) {
657	warn "$@";
658	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
659	override;	1081	override;
660	}	1082	}
661		1083
662	return 1 if $override;	1084	return 1 if $override;
663	}	1085	}
664		1086
665	0	1087	0
666	}	1088	}
667		1089
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1091
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1093
672	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
673		1095
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1099
678	=back	1100	=back
679		1101
680	=cut	1102	=cut
681		1103
682	#############################################################################	1104	#############################################################################
683	# 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	}
684		1148
685	sub reattach {	1149	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1151	my ($obj) = @_;
		1152
		1153	# no longer needed after getting rid of delete_package?
		1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1155
689	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
690		1157
691	@$registry = ();	1158	@$registry = ();
692		1159
…		…
697	for (@$attach) {	1164	for (@$attach) {
698	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
699	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
700	}	1167	}
701	} else {	1168	} else {
702	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
703	}	1170	}
704	}	1171	}
705	}	1172	}
706		1173
707	cf::attachable->attach (	1174	cf::attachable->attach (
708	prio => -1000000,	1175	prio => -1000000,
709	on_instantiate => sub {	1176	on_instantiate => sub {
710	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
711		1178
712	$data = from_json $data;	1179	$data = decode_json $data;
713		1180
714	for (@$data) {	1181	for (@$data) {
715	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
716		1183
717	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1200	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
735		1202
736	sync_job {	1203	sync_job {
737	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
740		1209
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
743	aio_write $fh, 0, (length $$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;
744	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
745	close $fh;	1217	aio_close $fh;
746		1218
747	if (@$objs) {	1219	if (@$objs) {
748	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) {
749	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	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;
752	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
753	close $fh;	1228	aio_close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
755	}	1230	}
756	} else {	1231	} else {
757	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
758	}	1233	}
759		1234
760	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
761	} else {	1239	} else {
762	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
763	}	1241	}
764	} else {	1242	} else {
765	aio_unlink $filename;	1243	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
767	}	1245	}
768	}	1246	};
769	}	1247	}
770		1248
771	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
773		1251
…		…
785	or return;	1263	or return;
786		1264
787	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
789	or return;	1267	or return;
		1268
790	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
791	}	1271	}
792		1272
		1273	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
795	return ($data, $av);	1278	($data, $av)
796	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
797		1286
798	#############################################################################	1287	#############################################################################
799	# command handling &c	1288	# command handling &c
800		1289
801	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1304	}
816		1305
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1307
819	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.
820		1313
821	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
822	called.	1315	called.
823		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
824	=cut	1328	=cut
825		1329
826	sub register_extcmd {	1330	sub register_extcmd {
827	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
828		1332
829	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
830	}	1334	}
831		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
832	cf::player->attach (	1344	cf::player->attach (
833	on_command => sub {	1345	on_unknown_command => sub {
834	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
835		1347
836	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
837	or return;	1349	or return;
838		1350
…		…
843	cf::override;	1355	cf::override;
844	},	1356	},
845	on_extcmd => sub {	1357	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
847		1359
848	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1361
850	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
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
856	} else {	1377	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1379	}
859		1380
860	cf::override;	1381	cf::override;
861	},	1382	},
862	);	1383	);
863		1384
		1385	# "readahead" all extensions
864	sub load_extension {	1386	sub cache_extensions {
865	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
866		1388
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
868	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
869	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}	1392	}
892	die $@;
893	}	1393	};
894		1394
895	push @EXTS, $pkg;	1395	$grp
896	}	1396	}
897		1397
898	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
899	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1405	next unless -r $path;
901	eval {	1406
902	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	}
903	1	1470	}
904	} 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	}
905	}	1481	};
906	}	1482	}
907		1483
908	#############################################################################	1484	#############################################################################
909		1485
		1486	=back
		1487
910	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
911		1489
912	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
913		1491
914	=cut	1492	=cut
915		1493
916	package cf::player;	1494	package cf::player;
917		1495
…		…
919		1497
920	=head3 cf::player	1498	=head3 cf::player
921		1499
922	=over 4	1500	=over 4
923		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
924	=item cf::player::find $login	1516	=item cf::player::find $login
925		1517
926	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
927		1519
928	=cut	1520	=cut
929		1521
930	sub playerdir($) {	1522	sub playerdir($) {
931	cf::localdir	1523	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1525	}
937		1526
938	sub path($) {	1527	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1529
941	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
942	}	1531	}
943		1532
944	sub find_active($) {	1533	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
949		1538
950	sub exists($) {	1539	sub exists($) {
951	my ($login) = @_;	1540	my ($login) = @_;
952		1541
953	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1543	or !aio_stat path $login
955	}	1544	}
956		1545
957	sub find($) {	1546	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1548	my $login = $_[0];
960		1549
961	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
962		1551
963	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
964	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
965	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;
966	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
967	}	1569	}
968	}	1570	}
969	}	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	);
970		1585
971	sub save($) {	1586	sub save($) {
972	my ($pl) = @_;	1587	my ($pl) = @_;
973		1588
974	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
979	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
980		1595
981	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
983		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
984	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
985	Coro::cede;	1605	cf::cede_to_tick;
986	}	1606	}
987		1607
988	sub new($) {	1608	sub new($) {
989	my ($login) = @_;	1609	my ($login) = @_;
990		1610
…		…
996	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
997		1617
998	$self	1618	$self
999	}	1619	}
1000		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
1001	=item $pl->quit_character	1631	=item $pl->quit_character
1002		1632
1003	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
1004	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1005		1635
1006	=cut	1636	=cut
1007		1637
1008	sub quit_character {	1638	sub quit_character {
1009	my ($pl) = @_;	1639	my ($pl) = @_;
1010		1640
		1641	my $name = $pl->ob->name;
		1642
1011	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1012	$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
1013		1645
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1016	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1017	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1018		1651
1019	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1023	$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
1024	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;
1025	}	1678	}
1026		1679
1027	=item cf::player::list_logins	1680	=item cf::player::list_logins
1028		1681
1029	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
1030	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1031		1684
1032	=cut	1685	=cut
1033		1686
1034	sub list_logins {	1687	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1689	or return [];
1037		1690
1038	my @logins;	1691	my @logins;
1039		1692
1040	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") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1044		1703
1045	utf8::decode $login;	1704	utf8::decode $login;
1046	push @logins, $login;	1705	push @logins, $login;
1047	}	1706	}
1048		1707
1049	\@logins	1708	\@logins
1050	}	1709	}
1051		1710
1052	=item $player->maps	1711	=item $player->maps
1053		1712
		1713	=item cf::player::maps $login
		1714
1054	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1055	player. May block.	1716	player. May block.
1056		1717
1057	=cut	1718	=cut
1058		1719
1059	sub maps($) {	1720	sub maps($) {
1060	my ($pl) = @_;	1721	my ($pl) = @_;
		1722
		1723	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1724
1062	my $files = aio_readdir playerdir $pl	1725	my $files = aio_readdir playerdir $pl
1063	or return;	1726	or return;
1064		1727
1065	my @paths;	1728	my @paths;
…		…
1067	for (@$files) {	1730	for (@$files) {
1068	utf8::decode $_;	1731	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1732	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1733	next unless /^$PATH_SEP/o;
1071		1734
1072	s/\.map$//;	1735	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1736	}
1075		1737
1076	\@paths	1738	\@paths
1077	}	1739	}
1078		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1080		1746
1081	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1082		1748
1083	=cut	1749	=cut
1084		1750
1085	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1087		1753
1088	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1755	}
1092		1756
1093	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		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	}
1094		1799
1095	=back	1800	=back
1096
1097		1801
1098	=head3 cf::map	1802	=head3 cf::map
1099		1803
1100	=over 4	1804	=over 4
1101		1805
…		…
1105		1809
1106	use Fcntl;	1810	use Fcntl;
1107	use Coro::AIO;	1811	use Coro::AIO;
1108		1812
1109	use overload	1813	use overload
1110	'""' => \&as_string;	1814	'""' => \&as_string,
		1815	fallback => 1;
1111		1816
1112	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1114		1819
1115	sub generate_random_map {	1820	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1117		1824
1118	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1826	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1123	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1124	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1125	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1126	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1836	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1837	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1838	)
1132	}	1839	}
1133		1840
		1841	=item cf::map->register ($regex, $prio)
		1842
		1843	Register a handler for the map path matching the given regex at the
		1844	givne priority (higher is better, built-in handlers have priority 0, the
		1845	default).
		1846
		1847	=cut
		1848
1134	sub register {	1849	sub register {
1135	my (undef, $regex) = @_;	1850	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1851	my $pkg = caller;
1137		1852
1138	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1854
1141	$EXT_MAP{$pkg} = qr<$regex>;	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1856	}
1143		1857
1144	# also paths starting with '/'	1858	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1860
		1861	sub thawer_merge {
		1862	my ($self, $merge) = @_;
		1863
		1864	# we have to keep some variables in memory intact
		1865	local $self->{path};
		1866	local $self->{load_path};
		1867
		1868	$self->SUPER::thawer_merge ($merge);
		1869	}
1146		1870
1147	sub normalise {	1871	sub normalise {
1148	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
		1873
		1874	$path = "$path"; # make sure it's a string
		1875
		1876	$path =~ s/\.map$//;
1149		1877
1150	# map plan:	1878	# map plan:
1151	#	1879	#
1152	# /! non-realised random map exit (special hack!)	1880	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1881	# {... are special paths that are not being touched
…		…
1181		1909
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1910	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1911
1184	$path = normalise $path, $base;	1912	$path = normalise $path, $base;
1185		1913
1186	for my $pkg (keys %EXT_MAP) {	1914	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1915	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1916	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1917	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1191	return $self;	1919	return $self;
1192	}	1920	}
1193	}	1921	}
1194		1922
1195	Carp::carp "unable to resolve path '$path'.";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1196	()	1924	()
1197	}	1925	}
1198		1926
1199	sub init {	1927	sub init {
1200	my ($self) = @_;	1928	my ($self) = @_;
…		…
1215		1943
1216	# the original (read-only) location	1944	# the original (read-only) location
1217	sub load_path {	1945	sub load_path {
1218	my ($self) = @_;	1946	my ($self) = @_;
1219		1947
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1221	}	1949	}
1222		1950
1223	# the temporary/swap location	1951	# the temporary/swap location
1224	sub save_path {	1952	sub save_path {
1225	my ($self) = @_;	1953	my ($self) = @_;
1226		1954
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1229	}	1957	}
1230		1958
1231	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1232	sub uniq_path {	1960	sub uniq_path {
1233	my ($self) = @_;	1961	my ($self) = @_;
1234		1962
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1237	}	1965	}
1238		1966
1239	# and all this just because we cannot iterate over	1967	sub decay_objects {
1240	# all maps in C++...
1241	sub change_all_map_light {
1242	my ($change) = @_;	1968	my ($self) = @_;
1243		1969
1244	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1245	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1246	}	1973	}
1247		1974
1248	sub unlink_save {	1975	sub unlink_save {
1249	my ($self) = @_;	1976	my ($self) = @_;
1250		1977
1251	utf8::encode (my $save = $self->save_path);	1978	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1981	}
1255		1982
1256	sub load_header_from($) {	1983	sub load_header_from($) {
1257	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1258		1985
1259	utf8::encode $path;	1986	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1261	or return;	1988	or return;
1262		1989
1263	$self->_load_header ($path)	1990	$self->_load_header ($f)
1264	or return;	1991	or return;
1265		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
		1995
1266	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1267		1997
1268	1	1998	1
1269	}	1999	}
1270		2000
1271	sub load_orig {	2001	sub load_header_orig {
1272	my ($self) = @_;	2002	my ($self) = @_;
1273		2003
1274	$self->load_header_from ($self->load_path)	2004	$self->load_header_from ($self->load_path)
1275	}	2005	}
1276		2006
1277	sub load_temp {	2007	sub load_header_temp {
1278	my ($self) = @_;	2008	my ($self) = @_;
1279		2009
1280	$self->load_header_from ($self->save_path)	2010	$self->load_header_from ($self->save_path)
		2011	}
		2012
		2013	sub prepare_temp {
		2014	my ($self) = @_;
		2015
		2016	$self->last_access ((delete $self->{last_access})
		2017	|| $cf::RUNTIME); #d#
		2018	# safety
		2019	$self->{instantiate_time} = $cf::RUNTIME
		2020	if $self->{instantiate_time} > $cf::RUNTIME;
		2021	}
		2022
		2023	sub prepare_orig {
		2024	my ($self) = @_;
		2025
		2026	$self->{load_original} = 1;
		2027	$self->{instantiate_time} = $cf::RUNTIME;
		2028	$self->last_access ($cf::RUNTIME);
		2029	$self->instantiate;
1281	}	2030	}
1282		2031
1283	sub load_header {	2032	sub load_header {
1284	my ($self) = @_;	2033	my ($self) = @_;
1285		2034
1286	if ($self->load_temp) {	2035	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	2036	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	2037	} else {
1293	$self->load_orig	2038	$self->load_header_orig
1294	or return;	2039	or return;
1295		2040	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	2041	}
		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 $self->default_region;
1301		2048
1302	1	2049	1
1303	}	2050	}
1304		2051
1305	sub find;	2052	sub find;
1306	sub find {	2053	sub find {
1307	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1308		2055
		2056	cf::cede_to_tick;
		2057
1309	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1310		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1312		2062
1313	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";
1315	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1316	or return;	2065	or return;
1317		2066
1318	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1319		2068
1320	$map->load_header	2069	$map->load_header
1321	or return;	2070	or return;
1322		2071
1323	if ($map->should_reset) {	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2073	# doing this can freeze the server in a sync job, obviously
		2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1324	$map->reset;	2077	$map->reset;
1325	undef $guard;
1326	$map = find $path	2078	return find $path;
1327	or return;
1328	}	2079	}
1329		2080
1330	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1331	}	2082	}
1332	}	2083	}
		2084
		2085	sub pre_load { }
		2086	#sub post_load { } # XS
1333		2087
1334	sub load {	2088	sub load {
1335	my ($self) = @_;	2089	my ($self) = @_;
1336		2090
		2091	local $self->{deny_reset} = 1; # loading can take a long time
		2092
1337	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1339		2097
		2098	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2100
1342	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1343		2102
1344	$self->alloc;	2103	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2104
		2105	$self->pre_load;
		2106	cf::cede_to_tick;
		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
		2110	$self->_load_objects ($f)
1346	or return;	2111	or return;
1347		2112
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1349	if delete $self->{load_original};	2114	if delete $self->{load_original};
1350		2115
1351	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2117	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2120	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1356	}	2124	}
1357	}	2125	}
1358		2126
1359	Coro::cede;	2127	$f->resolve_delayed_derefs;
1360		2128
		2129	cf::cede_to_tick;
1361	# now do the right thing for maps	2130	# now do the right thing for maps
1362	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2133	unless $self->difficulty;
1372	Coro::cede;	2134	cf::cede_to_tick;
		2135
		2136	unless ($self->{deny_activate}) {
		2137	$self->decay_objects;
		2138	$self->fix_auto_apply;
		2139	$self->update_buttons;
		2140	cf::cede_to_tick;
1373	$self->activate;	2141	$self->activate;
1374	}	2142	}
1375		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1377	}	2148	}
1378		2149
		2150	$self->post_load;
		2151	}
		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1379	sub customise_for {	2156	sub customise_for {
1380	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1381		2158
1382	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2160	if $self->per_player;
1384		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1385	$self	2165	$self
1386	}	2166	}
1387		2167
1388	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2169	sub load_neighbours {
1390	my ($map) = @_;	2170	my ($map) = @_;
1391		2171
1392	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1393		2173
1394	for (0 .. 3) {	2174	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1396	or next;	2176	or next;
1397	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1398	or next;	2178	or next;
1399	$neigh->load;	2179	$neigh->load;
1400		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2185	}
1404		2186
1405	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1407	or next;	2190	or next;
1408	$neigh->load;	2191	$neigh->load;
1409	}	2192	}
1410	}	2193	}
1411		2194
1412	sub find_sync {	2195	sub find_sync {
1413	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1414		2197
1415	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1416	}	2202	}
1417		2203
1418	sub do_load_sync {	2204	sub do_load_sync {
1419	my ($map) = @_;	2205	my ($map) = @_;
1420		2206
1421	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1422	}	2211	}
1423		2212
1424	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2214	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2215
1438	sub find_async {	2216	sub find_async {
1439	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1440		2218
1441	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1442		2220
1443	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2223	}
		2224
		2225	$MAP_PREFETCH{$path} |= $load;
		2226
		2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
		2230	while (%MAP_PREFETCH) {
		2231	while (my ($k, $v) = each %MAP_PREFETCH) {
		2232	if (my $map = find $k) {
		2233	$map->load if $v;
		2234	}
		2235
		2236	delete $MAP_PREFETCH{$k};
		2237	}
		2238	}
		2239	undef $MAP_PREFETCHER;
1445	}	2240	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2241	$MAP_PREFETCHER->prio (6);
1449		2242
1450	()	2243	()
1451	}	2244	}
1452		2245
		2246	# common code, used by both ->save and ->swapout
1453	sub save {	2247	sub _save {
1454	my ($self) = @_;	2248	my ($self) = @_;
1455
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;
1457		2249
1458	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1459		2251
1460	return unless $self->dirty;	2252	return unless $self->dirty;
1461		2253
…		…
1467	return if $self->{deny_save};	2259	return if $self->{deny_save};
1468		2260
1469	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1470		2262
1471	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1473	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1474		2269
1475	if ($uniq) {	2270	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1478	} else {	2273	} else {
1479	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1480	}	2275	}
1481	}	2276	}
1482		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1483	sub swap_out {	2286	sub swap_out {
1484	my ($self) = @_;	2287	my ($self) = @_;
1485		2288
1486	# save first because save cedes
1487	$self->save;
1488
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1491	return if $self->players;	2293	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};
1494		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1495	$self->clear;	2304	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2305	}
1498		2306
1499	sub reset_at {	2307	sub reset_at {
1500	my ($self) = @_;	2308	my ($self) = @_;
1501		2309
1502	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1505		2312
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2315
…		…
1513	my ($self) = @_;	2320	my ($self) = @_;
1514		2321
1515	$self->reset_at <= $cf::RUNTIME	2322	$self->reset_at <= $cf::RUNTIME
1516	}	2323	}
1517		2324
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2325	sub reset {
1533	my ($self) = @_;	2326	my ($self) = @_;
1534		2327
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2329
1537	return if $self->players;	2330	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2331
1540	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
		2333
		2334	$self->in_memory (cf::MAP_SWAPPED);
		2335
		2336	# need to save uniques path
		2337	unless ($self->{deny_save}) {
		2338	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2339
		2340	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2341	if $uniq;
		2342	}
1541		2343
1542	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1543		2345
1544	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2348	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2349
1549	$self->unlink_save;	2350	$self->unlink_save;
1550	$self->destroy;	2351	$self->destroy;
1551	}	2352	}
1552		2353
1553	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1554		2355
1555	sub nuke {	2356	sub nuke {
1556	my ($self) = @_;	2357	my ($self) = @_;
1557		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	delete $cf::MAP{$self->path};
		2363
		2364	$self->unlink_save;
		2365
		2366	bless $self, "cf::map::wrap";
		2367	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2371
		2372	$cf::MAP{$self->path} = $self;
		2373	}
		2374
1561	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
		2376	}
		2377
		2378	=item $maps = cf::map::tmp_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1562	}	2412	}
1563		2413
1564	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1565		2415
1566	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2417	instantiated unique items. May block.
1568		2418
1569	=cut	2419	=cut
1570		2420
1571	sub unique_maps() {	2421	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1573	or return;	2423	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2424	utf8::decode $_;
1579	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1580	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
		2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
		2430	]
		2431	}
1581		2432
		2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
1582	s/\.map$//;	2454	s/\.map$// or next;
1583	push @paths, $_;	2455	utf8::decode $_;
1584	}	2456	push @maps, "$dir/$_";
		2457	}
1585		2458
1586	\@paths	2459	push @dirs, map "$dir/$_", @$dirs;
1587	}	2460	}
1588		2461
1589	package cf;	2462	\@maps
		2463	}
1590		2464
1591	=back	2465	=back
1592		2466
1593	=head3 cf::object	2467	=head3 cf::object
1594		2468
…		…
1598		2472
1599	=over 4	2473	=over 4
1600		2474
1601	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1602		2476
1603	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1604		2479
1605	=cut	2480	=cut
1606		2481
1607	sub inv_recursive_;	2482	sub inv_recursive_;
1608	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1611		2486
1612	sub inv_recursive {	2487	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1614	}	2489	}
1615		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1616	package cf;	2519	package cf;
1617		2520
1618	=back	2521	=back
1619		2522
1620	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1626	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1627	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1628	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1629		2532
1630	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1631		2548
1632	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1633	# with dialog boxes.	2550	# with dialog boxes.
1634	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1635	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1637		2554
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2556
1640	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1642	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1645	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1646	}	2582	}
1647		2583
1648	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1649		2585
1650	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1663		2599
1664	=item $player_object->enter_link	2600	=item $player_object->enter_link
1665		2601
1666	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1667		2603
1668	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1669	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1670		2608
1671	Will never block.	2609	Will never block.
1672		2610
1673	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1674		2612
…		…
1682	=cut	2620	=cut
1683		2621
1684	sub link_map {	2622	sub link_map {
1685	unless ($LINK_MAP) {	2623	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2624	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2625	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2626	$LINK_MAP->load;
1689	}	2627	}
1690		2628
1691	$LINK_MAP	2629	$LINK_MAP
1692	}	2630	}
…		…
1694	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1695	my ($self) = @_;	2633	my ($self) = @_;
1696		2634
1697	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1698		2636
		2637	++$self->{_link_recursion};
		2638
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2640
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1703		2643
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1705	}	2645	}
1706		2646
1707	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1709		2651
1710	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1711		2653
1712	unless ($map) {	2654	unless ($map) {
1713	# restore original map position	2655	# restore original map position
…		…
1724	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1725	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1726		2668
1727	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1730		2672
1731	$map->load;	2673	$map->load;
1732	$map->load_diag;	2674	$map->load_neighbours;
1733		2675
1734	return unless $self->contr->active;	2676	return unless $self->contr->active;
		2677
		2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2679	if ($self->enter_map ($map, $x, $y)) {
		2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
1735	$self->activate_recursive;	2683	$self->activate_recursive;
1736	$self->enter_map ($map, $x, $y);
1737	}
1738
1739	cf::player->attach (
1740	on_logout => sub {
1741	my ($pl) = @_;
1742
1743	# abort map switching before logout
1744	if ($pl->ob->{_link_pos}) {
1745	cf::sync_job {
1746	$pl->ob->leave_link
1747	};
1748	}
1749	},	2684	}
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2685
1753	# try to abort aborted map switching on player login :)	2686	}
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770		2687
1771	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1772		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1773	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1774		2702
1775	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2714
1778	$self->enter_link;	2715	$self->enter_link;
1779		2716
1780	(async {	2717	(async {
1781	my $map = cf::map::find $path;	2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
		2739	my $map = eval {
		2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
1783		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2745	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
1788		2748
		2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
		2755	}
		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1790	})->prio (1);	2763	})->prio (1);
1791	}	2764	}
1792		2765
1793	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1794		2767
…		…
1796		2769
1797	sub parse_random_map_params {	2770	sub parse_random_map_params {
1798	my ($spec) = @_;	2771	my ($spec) = @_;
1799		2772
1800	my $rmp = { # defaults	2773	my $rmp = { # defaults
1801	xsize => 10,	2774	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2775	ysize => (cf::rndm 15, 40),
		2776	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2777	#layout => string,
1803	};	2778	};
1804		2779
1805	for (split /\n/, $spec) {	2780	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2781	my ($k, $v) = split /\s+/, $_, 2;
1807		2782
…		…
1819	# that depends on the exit object	2794	# that depends on the exit object
1820		2795
1821	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
1822		2797
1823	if ($exit->map) {	2798	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2799	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1828	}	2805	}
1829		2806
1830	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1831		2808
1832	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
		2811	my $meta = "$RANDOMDIR/$md5.meta";
1834		2812
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
		2815	undef $fh;
		2816	aio_rename "$meta~", $meta;
1837		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1838	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1840	}	2824	}
1841	}	2825	}
1842		2826
1843	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
…		…
1846	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
1847		2831
1848	$self->enter_link;	2832	$self->enter_link;
1849		2833
1850	(async {	2834	(async {
1851	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
1852	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
1853	prepare_random_map $exit	2844	prepare_random_map $exit
1854	if $exit->slaying eq "/!";	2845	if $exit->slaying eq "/!";
		2846	}
1855		2847
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
1858		2851
		2852	$self->goto ($map, $x, $y);
		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
1859	1;	2858	1
1860	}) {	2859	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
1862	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2864
1866	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
1867	$self->leave_link;	2866	$self->leave_link;
1868	}	2867	}
1869	})->prio (1);	2868	})->prio (1);
1870	}	2869	}
1871		2870
…		…
1882		2881
1883	sub cf::client::send_drawinfo {	2882	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2883	my ($self, $text, $flags) = @_;
1885		2884
1886	utf8::encode $text;	2885	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2887	}
1889		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
		3076	=item $client->ext_msg ($type, @msg)
		3077
		3078	Sends an ext event to the client.
		3079
		3080	=cut
		3081
		3082	sub cf::client::ext_msg($$@) {
		3083	my ($self, $type, @msg) = @_;
		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
		3088	push @msg, msgtype => "event_$type";
		3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
		3109	}
1890		3110
1891	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
1892		3112
1893	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		3116
1897	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	3118	become reliable at some point in the future.
1899		3119
1900	=cut	3120	=cut
1901		3121
1902	sub cf::client::query {	3122	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	3131	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		3133
1914	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
1916	}	3138	}
1917		3139
1918	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
1919	on_reply => sub {	3146	on_reply => sub {
1920	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
1921		3148
1922	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
1923	# get handled first	3150	# get handled first
1924	my $queue = delete $ns->{query_queue}	3151	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	3152	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		3153
1927	(shift @$queue)->[1]->($msg);	3154	(shift @$queue)->[1]->($msg);
		3155	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		3156
1929	push @{ $ns->{query_queue} }, @$queue;	3157	push @{ $ns->{query_queue} }, @$queue;
1930		3158
1931	if (@{ $ns->{query_queue} } == @$queue) {	3159	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	3160	if (@$queue) {
…		…
1934	} else {	3162	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	3164	}
1937	}	3165	}
1938	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
1939	);	3193	);
1940		3194
1941	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
1942		3196
1943	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
1959		3213
1960	$coro	3214	$coro
1961	}	3215	}
1962		3216
1963	cf::client->attach (	3217	cf::client->attach (
1964	on_destroy => sub {	3218	on_client_destroy => sub {
1965	my ($ns) = @_;	3219	my ($ns) = @_;
1966		3220
1967	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1968	},	3222	},
1969	);	3223	);
…		…
1984	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
1986		3240
1987	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
1988		3242
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
1990		3248
1991	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
1992		3250
1993	=pod	3251	=pod
1994		3252
1995	The following fucntions and emthods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
1996		3254
1997	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
1998	cf::object::player player	3260	cf::object::player
1999	cf::player peaceful	3261	player
2000	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2001		3268
2002	=cut	3269	=cut
2003		3270
2004	for (	3271	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2006	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2008	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2009	) {	3278	) {
2010	no strict 'refs';
2011	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2012	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2013	for @funs;	3281	for @funs;
2014	}	3282	}
2015		3283
…		…
2030		3298
2031	my $qcode = $code;	3299	my $qcode = $code;
2032	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2033	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2034		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2035	local $_;	3306	local $_;
2036	local @safe::cf::_safe_eval_args = values %vars;
2037		3307
2038	my $eval =	3308	my $eval =
2039	"do {\n"	3309	"do {\n"
2040	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2041	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2042	. $code	3312	. $code
2043	. "\n}"	3313	. "\n}"
2044	;	3314	;
2045		3315
		3316	if ($CFG{safe_eval}) {
2046	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2047	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2048	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2049		3325
2050	if ($@) {	3326	if ($@) {
2051	warn "$@";	3327	warn "$@",
2052	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2053	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2054	}	3330	}
2055		3331
2056	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2057	}	3333	}
2058		3334
…		…
2072	=cut	3348	=cut
2073		3349
2074	sub register_script_function {	3350	sub register_script_function {
2075	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2076		3352
2077	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2078	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2079	}	3355	}
2080		3356
2081	=back	3357	=back
2082		3358
2083	=cut	3359	=cut
2084		3360
2085	#############################################################################	3361	#############################################################################
		3362	# the server's init and main functions
2086		3363
2087	=head2 EXTENSION DATABASE SUPPORT	3364	sub load_facedata($) {
		3365	my ($path) = @_;
2088		3366
2089	Crossfire maintains a very simple database for extension use. It can	3367	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3368	# for this (global event?)
2091	excludes objects.	3369	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3370
2093	The parameter C<$family> should best start with the name of the extension	3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3372
2096	=over 4	3373	trace "loading facedata from $path\n";
2097		3374
2098	=item $hashref = cf::db_get $family	3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
2099		3378
2100	Return a hashref for use by the extension C<$family>, which can be	3379	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3380
2104	=item $value = cf::db_get $family => $key	3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3383
2106	Returns a single value from the database	3384	# patch in the exptable
2107		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2108	=item cf::db_put $family => $hashref	3386	$facedata->{resource}{"res/exp_table"} = {
2109		3387	type => FT_RSRC,
2110	Stores the given family hashref into the database. Updates are delayed, if	3388	data => $exp_table,
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3389	hash => (Digest::MD5::md5 $exp_table),
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3390	};
		3391	cf::cede_to_tick;
2159		3392
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3393	{
		3394	my $faces = $facedata->{faceinfo};
2164		3395
2165	sub db_get($;$) {	3396	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		3398
2171	sub db_put($$;$) {	3399	cf::face::set_visibility $idx, $info->{visibility};
2172	if (@_ >= 3) {	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2173	$DB->{$_[0]}{$_[1]} = $_[2];	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2174	} else {	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		3403
2180	cf::global->attach (	3404	cf::cede_to_tick;
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3405	}
2185	);
2186	}
2187		3406
2188	#############################################################################	3407	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3408	next unless $info->{smooth};
2190		3409
2191	sub cfg_load {	3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
		3454	1
		3455	}
		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
		3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
		3527	sub reload_resources {
		3528	trace "reloading resource files...\n";
		3529
		3530	reload_exp_table;
		3531	reload_materials;
		3532	reload_facedata;
		3533	reload_sound;
		3534	reload_archetypes;
		3535	reload_regions;
		3536	reload_treasures;
		3537
		3538	trace "finished reloading resource files\n";
		3539	}
		3540
		3541	sub reload_config {
		3542	trace "reloading config file...\n";
		3543
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3544	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3545	or return;
2194		3546
2195	local $/;	3547	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3548	*CFG = YAML::XS::Load scalar <$fh>;
2197		3549
2198	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3550	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2199		3551
2200	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3552	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2201	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3553	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2202		3554
2203	if (exists $CFG{mlockall}) {	3555	if (exists $CFG{mlockall}) {
…		…
2205	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3557	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2206	and die "WARNING: m(un)lockall failed: $!\n";	3558	and die "WARNING: m(un)lockall failed: $!\n";
2207	};	3559	};
2208	warn $@ if $@;	3560	warn $@ if $@;
2209	}	3561	}
		3562
		3563	trace "finished reloading resource files\n";
		3564	}
		3565
		3566	sub pidfile() {
		3567	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3568	or die "$PIDFILE: $!";
		3569	flock $fh, &Fcntl::LOCK_EX
		3570	or die "$PIDFILE: flock: $!";
		3571	$fh
		3572	}
		3573
		3574	# make sure only one server instance is running at any one time
		3575	sub atomic {
		3576	my $fh = pidfile;
		3577
		3578	my $pid = <$fh>;
		3579	kill 9, $pid if $pid > 0;
		3580
		3581	seek $fh, 0, 0;
		3582	print $fh $$;
		3583	}
		3584
		3585	sub main_loop {
		3586	trace "EV::loop starting\n";
		3587	if (1) {
		3588	EV::loop;
		3589	}
		3590	trace "EV::loop returned\n";
		3591	goto &main_loop unless $REALLY_UNLOOP;
2210	}	3592	}
2211		3593
2212	sub main {	3594	sub main {
		3595	cf::init_globals; # initialise logging
		3596
		3597	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3598	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3599	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3600	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3601
		3602	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3603
2213	# we must not ever block the main coroutine	3604	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3605	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3607	(async {
		3608	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3609	EV::loop EV::LOOP_ONESHOT;
		3610	})->prio (Coro::PRIO_MAX);
2217	};	3611	};
2218		3612
2219	cfg_load;	3613	evthread_start IO::AIO::poll_fileno;
2220	db_load;	3614
		3615	cf::sync_job {
		3616	cf::incloader::init ();
		3617
		3618	cf::init_anim;
		3619	cf::init_attackmess;
		3620	cf::init_dynamic;
		3621
		3622	cf::load_settings;
		3623
		3624	reload_resources;
		3625	reload_config;
		3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
2221	load_extensions;	3636	load_extensions;
2222	Event::loop;	3637
		3638	utime time, time, $RUNTIMEFILE;
		3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
2223	}	3656	}
2224		3657
2225	#############################################################################	3658	#############################################################################
2226	# initialisation and cleanup	3659	# initialisation and cleanup
2227		3660
2228	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2229	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2236	},
2237	);	3667	};
		3668	}
		3669	}
		3670
		3671	sub write_runtime_sync {
		3672	my $t0 = AE::time;
		3673
		3674	# first touch the runtime file to show we are still running:
		3675	# the fsync below can take a very very long time.
		3676
		3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3678
		3679	my $guard = cf::lock_acquire "write_runtime";
		3680
		3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3682	or return;
		3683
		3684	my $value = $cf::RUNTIME + 90 + 10;
		3685	# 10 is the runtime save interval, for a monotonic clock
		3686	# 60 allows for the watchdog to kill the server.
		3687
		3688	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3689	and return;
		3690
		3691	# always fsync - this file is important
		3692	aio_fsync $fh
		3693	and return;
		3694
		3695	# touch it again to show we are up-to-date
		3696	aio_utime $fh, undef, undef;
		3697
		3698	close $fh
		3699	or return;
		3700
		3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3702	and return;
		3703
		3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3705
2238	}	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
2239	}	3757	}
2240		3758
2241	sub emergency_save() {	3759	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2243		3761
2244	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
2245		3768
2246	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2247	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2248	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2249	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2251	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3780	$pl->save;
2255	}	3781	}
2256	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2257		3783
2258	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
2259	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2260	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3789	$map->valid or next;
2262	$map->save;	3790	$map->save;
2263	}	3791	}
2264	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2265	};	3822	};
2266		3823
2267	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2268	}	3825	}
2269		3826
		3827	sub post_cleanup {
		3828	my ($make_core) = @_;
		3829
		3830	IO::AIO::flush;
		3831
		3832	error Carp::longmess "post_cleanup backtrace"
		3833	if $make_core;
		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
		3862	}
		3863
2270	sub reload() {	3864	sub do_reload_perl() {
2271	# can/must only be called in main	3865	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2273	warn "can only reload from main coroutine\n";	3867	error "can only reload from main coroutine";
2274	return;	3868	return;
2275	}	3869	}
2276		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2277	warn "reloading...";	3877	info "reloading...";
2278		3878
2279	warn "freezing server";	3879	trace "entering sync_job";
2280	my $guard = freeze_mainloop;	3880
		3881	cf::sync_job {
2281	cf::emergency_save;	3882	#cf::emergency_save;
2282		3883
2283	warn "sync database to disk";
2284	cf::db_sync;
2285	IO::AIO::flush;
2286
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved
2289
2290	warn "cancel all watchers";
2291	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}
2294
2295	warn "cancel all extension coros";	3884	trace "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3886	%EXT_CORO = ();
2298		3887
2299	warn "remove commands";	3888	trace "removing commands";
2300	%COMMAND = ();	3889	%COMMAND = ();
2301		3890
2302	warn "remove ext commands";	3891	trace "removing ext/exti commands";
2303	%EXTCMD = ();	3892	%EXTCMD = ();
		3893	%EXTICMD = ();
2304		3894
2305	warn "unload/nuke all extensions";	3895	trace "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
2308		3898
2309	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3900	eval {
2311	$cb->($pkg);	3901	$cb->($pkg);
2312	1	3902	1
2313	} or warn "$pkg unloaded, but with errors: $@";	3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
2314	}	3908	}
2315		3909
2316	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;
2318	}
2319
2320	warn "unload all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3913
2324	warn "removing <$k>";	3914	trace "... unloading $k";
2325	delete $INC{$k};	3915	delete $INC{$k};
2326		3916
2327	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2329		3919
2330	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2331	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2332	}	3925	}
2333		3926
2334	Symbol::delete_package $k;
2335	}
2336
2337	warn "get rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3930
2341	warn "unload cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
		3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2343		3934
2344	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3936	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2347		3938
		3939	info "unload completed, starting to reload now";
		3940
2348	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2349	require cf;	3942	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2351		3944
2352	warn "load config and database again";	3945	trace "loading config and database again";
2353	cf::cfg_load;	3946	cf::reload_config;
2354	cf::db_load;
2355		3947
2356	warn "load extensions";	3948	trace "loading extensions";
2357	cf::load_extensions;	3949	cf::load_extensions;
2358		3950
		3951	if ($REATTACH_ON_RELOAD) {
2359	warn "reattach attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2360	_global_reattach;	3953	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3954	trace "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
		3956	trace "reattaching attachments to players";
		3957	reattach $_ for values %PLAYER;
		3958	}
		3959
		3960	trace "running post_init jobs";
		3961	(pop @POST_INIT)->(1) while @POST_INIT;
		3962
		3963	trace "leaving sync_job";
		3964
		3965	1
		3966	} or do {
		3967	error $@;
		3968	cf::cleanup "error while reloading, exiting.";
		3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
		3973	}
		3974
		3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
		3977	};
		3978
		3979	our $RELOAD_WATCHER; # used only during reload
		3980
		3981	sub reload_perl() {
		3982	# doing reload synchronously and two reloads happen back-to-back,
		3983	# coro crashes during coro_state_free->destroy here.
		3984
		3985	$RELOAD_WATCHER ||= cf::async {
		3986	Coro::AIO::aio_wait cache_extensions;
		3987
		3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3989	do_reload_perl;
		3990	undef $RELOAD_WATCHER;
		3991	};
2363	};	3992	};
2364		3993	}
2365	if ($@) {
2366	warn $@;
2367	warn "error while reloading, exiting.";
2368	exit 1;
2369	}
2370
2371	warn "reloaded";
2372	};
2373		3994
2374	register_command "reload" => sub {	3995	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
2376		3997
2377	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3999	$who->message ("reloading server.");
		4000	async {
		4001	$Coro::current->{desc} = "perl_reload";
		4002	reload_perl;
		4003	};
2381	}	4004	}
2382	};	4005	};
2383		4006
2384	unshift @INC, $LIBDIR;	4007	#############################################################################
2385		4008
2386	$TICK_WATCHER = Event->timer (	4009	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		4010
		4011	our @WAIT_FOR_TICK;
		4012	our @WAIT_FOR_TICK_BEGIN;
		4013
		4014	sub wait_for_tick {
		4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4016
		4017	my $signal = new Coro::Signal;
		4018	push @WAIT_FOR_TICK, $signal;
		4019	$signal->wait;
		4020	}
		4021
		4022	sub wait_for_tick_begin {
		4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4024
		4025	my $signal = new Coro::Signal;
		4026	push @WAIT_FOR_TICK_BEGIN, $signal;
		4027	$signal->wait;
		4028	}
		4029
		4030	sub tick {
		4031	if ($Coro::current != $Coro::main) {
		4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4033	unless ++$bug_warning > 10;
		4034	return;
		4035	}
		4036
2394	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;
2397		4038
2398	$WAIT_FOR_TICK->broadcast;	4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2400		4040
2401	# if we are delayed by four ticks or more, skip them all	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2403		4043	Coro::async_pool {
2404	$TICK_WATCHER->at ($NEXT_TICK);	4044	$Coro::current->{desc} = "runtime saver";
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	4045	write_runtime_sync
2426	or warn "ERROR: unable to write runtime file: $!";	4046	or error "ERROR: unable to write runtime file: $!";
2427	})->();	4047	};
2428	},	4048	}
2429	);	4049
		4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4051	$sig->send;
		4052	}
		4053	while (my $sig = shift @WAIT_FOR_TICK) {
		4054	$sig->send;
		4055	}
		4056
		4057	$LOAD = ($NOW - $TICK_START) / $TICK;
		4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4059
		4060	if (0) {
		4061	if ($NEXT_TICK) {
		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
		4065	}
		4066	}
		4067	}
		4068
		4069	{
		4070	# configure BDB
		4071
		4072	BDB::min_parallel 16;
		4073	BDB::max_poll_reqs $TICK * 0.1;
		4074	$AnyEvent::BDB::WATCHER->priority (1);
		4075
		4076	unless ($DB_ENV) {
		4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4083
		4084	cf::sync_job {
		4085	eval {
		4086	BDB::db_env_open
		4087	$DB_ENV,
		4088	$BDBDIR,
		4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4091	0666;
		4092
		4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4094	};
		4095
		4096	cf::cleanup "db_env_open(db): $@" if $@;
		4097	};
		4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
		4109	}
		4110
		4111	{
		4112	# configure IO::AIO
		4113
		4114	IO::AIO::min_parallel 8;
		4115	IO::AIO::max_poll_time $TICK * 0.1;
		4116	undef $AnyEvent::AIO::WATCHER;
		4117	}
		4118
		4119	my $_log_backtrace;
		4120
		4121	sub _log_backtrace {
		4122	my ($msg, @addr) = @_;
		4123
		4124	$msg =~ s/\n//;
		4125
		4126	# limit the # of concurrent backtraces
		4127	if ($_log_backtrace < 2) {
		4128	++$_log_backtrace;
		4129	my $perl_bt = Carp::longmess $msg;
		4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
		4133	my @bt = fork_call {
		4134	@addr = map { sprintf "%x", $_ } @addr;
		4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4137	or die "addr2line: $!";
		4138
		4139	my @funcs;
		4140	my @res = <$fh>;
		4141	chomp for @res;
		4142	while (@res) {
		4143	my ($func, $line) = splice @res, 0, 2, ();
		4144	push @funcs, "[$func] $line";
		4145	}
		4146
		4147	@funcs
		4148	};
		4149
		4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4152	LOG llevInfo, "[ABT] $_\n" for @bt;
		4153	--$_log_backtrace;
		4154	};
		4155	} else {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [suppressed]\n";
		4158	}
		4159	}
		4160
		4161	# load additional modules
		4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
2430		4164
2431	END { cf::emergency_save }	4165	END { cf::emergency_save }
2432		4166
2433	1	4167	1
2434		4168

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