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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.222 by root, Tue Mar 6 03:06:00 2007 UTC vs.
Revision 1.541 by root, Tue May 4 23:33:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		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(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	121	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
61		130
62	our %CFG;	131	our %CFG;
63		132
64	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
66		136
67	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		140
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REALLY_UNLOOP; # never set to true, please :)
		153
79	binmode STDOUT;	154	binmode STDOUT;
80	binmode STDERR;	155	binmode STDERR;
81		156
82	# read virtual server time, if available	157	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
87	}	162	}
88		163
89	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	165
91	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		168
96	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
97		170
98	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		187
100	#############################################################################	188	#############################################################################
101		189
102	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
103		191
…		…
110	=item $cf::RUNTIME	198	=item $cf::RUNTIME
111		199
112	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
113	every server tick.	201	every server tick.
114		202
115	=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
116		206
117	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		211
120	=item $cf::NOW	212	=item $cf::NOW
121		213
122	The time of the last (current) server tick.	214	The time of the last (current) server tick.
123		215
124	=item $cf::TICK	216	=item $cf::TICK
125		217
126	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	230	=item %cf::CFG
129		231
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	233	from wherever your confdir points to.
132		234
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		236
135	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
136	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
137	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.
138	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.
139		252
140	=back	253	=back
141		254
142	=cut	255	=cut
143		256
144	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	264	my $msg = join "", @_;
147	utf8::encode $msg;
148		265
149	$msg .= "\n"	266	$msg .= "\n"
150	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
151		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
152	LOG llevError, $msg;	271	LOG llevWarn, $msg;
153	};	272	};
154	}	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	};
155		287
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		295
163	# 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
164	# within the Safe compartment.	297	# within the Safe compartment.
165	for my $pkg (qw(	298	for my $pkg (qw(
166	cf::global cf::attachable	299	cf::global cf::attachable
167	cf::object cf::object::player	300	cf::object cf::object::player
168	cf::client cf::player	301	cf::client cf::player
169	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
170	cf::map cf::party cf::region	304	cf::party cf::region
171	)) {	305	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	307	}
175		308
176	$Event::DIED = sub {	309	$EV::DIED = sub {
177	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
178	};	311	};
		312
		313	#############################################################################
179		314
180	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
181		316
182	=over 4	317	=over 4
183		318
…		…
202	$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;
203	$d	338	$d
204	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
205	}	340	}
206		341
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
210		343
211	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
212		345
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
221		347
222	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
223		349
224	=cut	350	=cut
225		351
226	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
228	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;
229	}	369	}
230		370
231	=item cf::lock_wait $string	371	=item cf::lock_wait $string
232		372
233	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
234		374
235	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
236		376
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
240	returned.	380	returned.
241		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
242	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
243	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
244		387
245	=cut	388	=item $locked = cf::lock_active $string
246		389
247	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
248		395
249	sub lock_wait($) {	396	sub lock_wait($) {
250	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	398	}
258		399
259	sub lock_acquire($) {	400	sub lock_acquire($) {
260	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
261		403
262	# wait, to be sure we are not locked	404	sub lock_active($) {
263	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	406	}
272		407
273	sub freeze_mainloop {	408	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
275		410
276	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	412	}
		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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
278	};	478	}
279	$TICK_WATCHER->stop;	479	};
280	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
281	}	494	}
282		495
283	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
284		497
285	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		503
291	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
292		505
293	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
294		507
295	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
298		512
299	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
302	fast or be very important.	516	fast or be very important.
…		…
304	=cut	518	=cut
305		519
306	sub sync_job(&) {	520	sub sync_job(&) {
307	my ($job) = @_;	521	my ($job) = @_;
308		522
309	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
310	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
312		528
313	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	530
315	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
316		532
317	my $busy = 1;	533	my $busy = 1;
318	my @res;	534	my @res;
319		535
320	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	538	@res = eval { $job->() };
322	warn $@ if $@;	539	error $@ if $@;
323	undef $busy;	540	undef $busy;
324	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
325		542
326	while ($busy) {	543	while ($busy) {
327	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
328	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
329		554
330	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
331	} else {	556	} else {
332	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
333		558
…		…
353	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
354		579
355	$coro	580	$coro
356	}	581	}
357		582
358	sub write_runtime {	583	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		584
361	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		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.
362		589
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
364	or return;
365		591
366	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		594
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
371	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
372		598
373	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	600	reset_signals;
375	and return;	601	&$cb
		602	}, @args;
376		603
377	close $fh	604	wantarray ? @res : $res[-1]
378	or return;	605	}
379		606
380	aio_rename "$runtime~", $runtime	607	sub objinfo {
381	and return;
382
383	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 });
384	}	783	}
385		784
386	=back	785	=back
387		786
388	=cut	787	=cut
389		788
390	#############################################################################	789	#############################################################################
391		790
392	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
393		792
394	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
395	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")
396	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
397		796
398	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>
399	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
400	crossfire+).	799	Deliantra).
401		800
402	=over 4	801	=over 4
403		802
404	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
405		804
…		…
449	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
450		849
451	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
453		852
454	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		855
457	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
458		857
459	=over 4	858	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
569		968
570	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		973
575	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	975	my $pkg = shift @arg;
577		976
578	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
583		982
584	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		985
587	} elsif (ref $type) {	986	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
589		988
590	} else {	989	} else {
591	shift @arg;	990	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
593	}	992	}
594	}	993	}
595	}	994	}
596		995
597	sub _object_attach {	996	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
608	}	1007	}
609		1008
610	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
611	} else {	1010	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1012	}
614		1013
615	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
616	}	1015	}
617		1016
…		…
619	if (ref $_[0]) {	1018	if (ref $_[0]) {
620	_object_attach @_;	1019	_object_attach @_;
621	} else {	1020	} else {
622	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
623	}	1022	}
		1023	_recalc_want;
624	};	1024	};
625		1025
626	# all those should be optimised	1026	# all those should be optimised
627	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1032	reattach ($obj);
633	} else {	1033	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
635	}	1035	}
		1036	_recalc_want;
636	};	1037	};
637		1038
638	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
640		1041
…		…
655	";	1056	";
656	die if $@;	1057	die if $@;
657	}	1058	}
658		1059
659	our $override;	1060	our $override;
660	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?
661		1062
662	sub override {	1063	sub override {
663	$override = 1;	1064	$override = 1;
664	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
665	}	1066	}
666		1067
667	sub do_invoke {	1068	sub do_invoke {
668	my $event = shift;	1069	my $event = shift;
669	my $callbacks = shift;	1070	my $callbacks = shift;
670		1071
671	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
672		1073
673	local $override;	1074	local $override;
674		1075
675	for (@$callbacks) {	1076	for (@$callbacks) {
676	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
677		1078
678	if ($@) {	1079	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1081	override;
682	}	1082	}
683		1083
684	return 1 if $override;	1084	return 1 if $override;
685	}	1085	}
686		1086
687	0	1087	0
688	}	1088	}
689		1089
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1091
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1093
694	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
695		1095
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1099
700	=back	1100	=back
701		1101
702	=cut	1102	=cut
703		1103
704	#############################################################################	1104	#############################################################################
705	# 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, $ob2
		1147	}
706		1148
707	sub reattach {	1149	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1151	my ($obj) = @_;
710		1152
		1153	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1155
713	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
714		1157
715	@$registry = ();	1158	@$registry = ();
716		1159
…		…
721	for (@$attach) {	1164	for (@$attach) {
722	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
724	}	1167	}
725	} else {	1168	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1170	}
728	}	1171	}
729	}	1172	}
730		1173
731	cf::attachable->attach (	1174	cf::attachable->attach (
732	prio => -1000000,	1175	prio => -1000000,
733	on_instantiate => sub {	1176	on_instantiate => sub {
734	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
735		1178
736	$data = from_json $data;	1179	$data = decode_json $data;
737		1180
738	for (@$data) {	1181	for (@$data) {
739	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
740		1183
741	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1200	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
759		1202
760	sync_job {	1203	sync_job {
761	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
764		1209
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($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;
		1215	aio_fsync $fh;
		1216	}
769	close $fh;	1217	aio_close $fh;
770		1218
771	if (@$objs) {	1219	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($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;
		1226	aio_fsync $fh;
		1227	}
777	close $fh;	1228	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
779	}	1230	}
780	} else {	1231	} else {
781	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
782	}	1233	}
783		1234
784	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1239	} else {
786	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
787	}	1241	}
788	} else {	1242	} else {
789	aio_unlink $filename;	1243	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
791	}	1245	}
792	}	1246	};
793	}	1247	}
794		1248
795	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
797		1251
…		…
809	or return;	1263	or return;
810		1264
811	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
813	or return;	1267	or return;
		1268
814	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
815	}	1271	}
816		1272
		1273	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
819	return ($data, $av);	1278	($data, $av)
820	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
821		1286
822	#############################################################################	1287	#############################################################################
823	# command handling &c	1288	# command handling &c
824		1289
825	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1304	}
840		1305
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1307
843	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.
844		1313
845	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
846	called.	1315	called.
847		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
848	=cut	1328	=cut
849		1329
850	sub register_extcmd {	1330	sub register_extcmd {
851	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
852		1332
853	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
854	}	1334	}
855		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
856	cf::player->attach (	1344	cf::player->attach (
857	on_command => sub {	1345	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
859		1347
860	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
861	or return;	1349	or return;
862		1350
…		…
867	cf::override;	1355	cf::override;
868	},	1356	},
869	on_extcmd => sub {	1357	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
871		1359
872	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1361
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
880	} else {	1377	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1379	}
883		1380
884	cf::override;	1381	cf::override;
885	},	1382	},
886	);	1383	);
887		1384
		1385	# "readahead" all extensions
888	sub load_extension {	1386	sub cache_extensions {
889	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
890		1388
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1392	}
916	die $@;
917	}	1393	};
918		1394
919	push @EXTS, $pkg;	1395	$grp
920	}	1396	}
921		1397
922	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
923	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1405	next unless -r $path;
925	eval {	1406
926	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
927	1	1471	}
928	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
929	}	1482	};
930	}	1483	}
931		1484
932	#############################################################################	1485	#############################################################################
933		1486
		1487	=back
		1488
934	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
935		1490
936	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
937		1492
938	=cut	1493	=cut
939		1494
940	package cf::player;	1495	package cf::player;
941		1496
…		…
943		1498
944	=head3 cf::player	1499	=head3 cf::player
945		1500
946	=over 4	1501	=over 4
947		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
		1516
948	=item cf::player::find $login	1517	=item cf::player::find $login
949		1518
950	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
951		1520
952	=cut	1521	=cut
953		1522
954	sub playerdir($) {	1523	sub playerdir($) {
955	cf::localdir	1524	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1526	}
961		1527
962	sub path($) {	1528	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1530
965	(playerdir $login) . "/$login.pl"	1531	(playerdir $login) . "/playerdata"
966	}	1532	}
967		1533
968	sub find_active($) {	1534	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1535	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1536	and $cf::PLAYER{$_[0]}->active
…		…
973		1539
974	sub exists($) {	1540	sub exists($) {
975	my ($login) = @_;	1541	my ($login) = @_;
976		1542
977	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
979	}	1545	}
980		1546
981	sub find($) {	1547	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1549	my $login = $_[0];
984		1550
985	my $guard = cf::lock_acquire "user_find:$login";	1551	my $guard = cf::lock_acquire "user_find:$login";
986		1552
987	$cf::PLAYER{$_[0]} || do {	1553	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1554	# rename old playerfiles to new ones
		1555	#TODO: remove when no longer required
		1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1559	aio_unlink +(playerdir $login) . "/$login.pl";
		1560
		1561	my $f = new_from_file cf::object::thawer path $login
989	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
991	}	1570	}
992	}	1571	}
993	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
994		1586
995	sub save($) {	1587	sub save($) {
996	my ($pl) = @_;	1588	my ($pl) = @_;
997		1589
998	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1004		1596
1005	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1007		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1008	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1009	Coro::cede;	1606	cf::cede_to_tick;
1010	}	1607	}
1011		1608
1012	sub new($) {	1609	sub new($) {
1013	my ($login) = @_;	1610	my ($login) = @_;
1014		1611
…		…
1020	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1021		1618
1022	$self	1619	$self
1023	}	1620	}
1024		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1025	=item $pl->quit_character	1632	=item $pl->quit_character
1026		1633
1027	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1029		1636
…		…
1033	my ($pl) = @_;	1640	my ($pl) = @_;
1034		1641
1035	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1036		1643
1037	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1038	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1039		1646
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1043	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1044		1652
1045	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1076	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1077		1685
1078	=cut	1686	=cut
1079		1687
1080	sub list_logins {	1688	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1690	or return [];
1083		1691
1084	my @logins;	1692	my @logins;
1085		1693
1086	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1090		1704
1091	utf8::decode $login;	1705	utf8::decode $login;
1092	push @logins, $login;	1706	push @logins, $login;
1093	}	1707	}
1094		1708
1095	\@logins	1709	\@logins
1096	}	1710	}
1097		1711
1098	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1099		1715
1100	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1101	player. May block.	1717	player. May block.
1102		1718
1103	=cut	1719	=cut
…		…
1121	}	1737	}
1122		1738
1123	\@paths	1739	\@paths
1124	}	1740	}
1125		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1127		1747
1128	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1129		1749
1130	=cut	1750	=cut
1131		1751
1132	sub ext_reply($$$%) {	1752	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1134		1754
1135	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1756	}
1139		1757
1140	package cf;	1758	=item $player->ext_msg ($type, @msg)
		1759
		1760	Sends an ext event to the client.
		1761
		1762	=cut
		1763
		1764	sub ext_msg($$@) {
		1765	my ($self, $type, @msg) = @_;
		1766
		1767	$self->ns->ext_msg ($type, @msg);
		1768	}
		1769
		1770	=head3 cf::region
		1771
		1772	=over 4
		1773
		1774	=cut
		1775
		1776	package cf::region;
		1777
		1778	=item cf::region::find_by_path $path
		1779
		1780	Tries to decuce the likely region for a map knowing only its path.
		1781
		1782	=cut
		1783
		1784	sub find_by_path($) {
		1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
		1789	my ($match, $specificity);
		1790
		1791	for my $region (list) {
		1792	if ($region->{match} && $path =~ $region->{match}) {
		1793	($match, $specificity) = ($region, $region->specificity)
		1794	if $region->specificity > $specificity;
		1795	}
		1796	}
		1797
		1798	$match
		1799	}
1141		1800
1142	=back	1801	=back
1143
1144		1802
1145	=head3 cf::map	1803	=head3 cf::map
1146		1804
1147	=over 4	1805	=over 4
1148		1806
…		…
1160	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1161	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1162		1820
1163	sub generate_random_map {	1821	sub generate_random_map {
1164	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1165	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1166	$self->_create_random_map (	1827	$self->_create_random_map (
1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1170	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1171	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1188		1849
1189	sub register {	1850	sub register {
1190	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1191	my $pkg = caller;	1852	my $pkg = caller;
1192		1853
1193	no strict;
1194	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1195		1855
1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1197	}	1857	}
1198		1858
1199	# also paths starting with '/'	1859	# also paths starting with '/'
1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1201		1861
1202	sub thawer_merge {	1862	sub thawer_merge {
1203	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1204		1864
1205	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1206	local $self->{path};	1866	local $self->{path};
1207	local $self->{load_path};	1867	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1868
1211	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1212	}	1870	}
1213		1871
1214	sub normalise {	1872	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1262	return $self;	1920	return $self;
1263	}	1921	}
1264	}	1922	}
1265		1923
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1925	()
1268	}	1926	}
1269		1927
1270	sub init {	1928	sub init {
1271	my ($self) = @_;	1929	my ($self) = @_;
…		…
1286		1944
1287	# the original (read-only) location	1945	# the original (read-only) location
1288	sub load_path {	1946	sub load_path {
1289	my ($self) = @_;	1947	my ($self) = @_;
1290		1948
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1292	}	1950	}
1293		1951
1294	# the temporary/swap location	1952	# the temporary/swap location
1295	sub save_path {	1953	sub save_path {
1296	my ($self) = @_;	1954	my ($self) = @_;
1297		1955
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1300	}	1958	}
1301		1959
1302	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1303	sub uniq_path {	1961	sub uniq_path {
1304	my ($self) = @_;	1962	my ($self) = @_;
1305		1963
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1308	}	1966	}
1309		1967
1310	# and all this just because we cannot iterate over	1968	sub decay_objects {
1311	# all maps in C++...
1312	sub change_all_map_light {
1313	my ($change) = @_;	1969	my ($self) = @_;
1314		1970
1315	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1316	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1317	}	1974	}
1318		1975
1319	sub unlink_save {	1976	sub unlink_save {
1320	my ($self) = @_;	1977	my ($self) = @_;
1321		1978
…		…
1326		1983
1327	sub load_header_from($) {	1984	sub load_header_from($) {
1328	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1329		1986
1330	utf8::encode $path;	1987	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1336		1996
1337	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1338		1998
1339	1	1999	1
1340	}	2000	}
…		…
1379	$self->load_header_orig	2039	$self->load_header_orig
1380	or return;	2040	or return;
1381	$self->prepare_orig;	2041	$self->prepare_orig;
1382	}	2042	}
1383		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
1384	1	2050	1
1385	}	2051	}
1386		2052
1387	sub find;	2053	sub find;
1388	sub find {	2054	sub find {
1389	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1390		2056
1391	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1392		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1394		2061
1395	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";
1397	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1398	or return;	2064	or return;
1399		2065
1400	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1401		2067
1402	$map->load_header	2068	$map->load_header
1403	or return;	2069	or return;
1404		2070
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1408	$map->reset;	2076	$map->reset;
1409	undef $guard;
1410	return find $path;	2077	return find $path;
1411	}	2078	}
1412		2079
1413	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1414	}	2081	}
1415	}	2082	}
1416		2083
1417	sub pre_load { }	2084	sub pre_load { }
1418	sub post_load { }	2085	#sub post_load { } # XS
1419		2086
1420	sub load {	2087	sub load {
1421	my ($self) = @_;	2088	my ($self) = @_;
1422		2089
1423	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1424		2091
1425	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1426	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1427		2096
		2097	return unless $self->valid;
1428	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1429		2099
1430	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1431		2101
1432	$self->alloc;	2102	$self->alloc;
1433		2103
1434	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1435		2106
1436	$self->_load_objects ($self->{load_path}, 1)	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1437	or return;	2110	or return;
1438		2111
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1440	if delete $self->{load_original};	2113	if delete $self->{load_original};
1441		2114
1442	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	2116	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	2119	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1447	}	2123	}
1448	}	2124	}
1449		2125
1450	Coro::cede;	2126	$f->resolve_delayed_derefs;
1451		2127
		2128	cf::cede_to_tick;
1452	# now do the right thing for maps	2129	# now do the right thing for maps
1453	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	2132	unless $self->difficulty;
1463	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1464	$self->activate;	2140	$self->activate;
		2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1465	}	2147	}
1466		2148
1467	$self->post_load;	2149	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	2150	}
1471		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1472	sub customise_for {	2155	sub customise_for {
1473	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1474		2157
1475	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	2159	if $self->per_player;
1477		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1478	$self	2164	$self
1479	}	2165	}
1480		2166
1481	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	2168	sub load_neighbours {
1483	my ($map) = @_;	2169	my ($map) = @_;
1484		2170
1485	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1486		2172
1487	for (0 .. 3) {	2173	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1489	or next;	2175	or next;
1490	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1491	or next;	2177	or next;
1492	$neigh->load;	2178	$neigh->load;
1493		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	2184	}
1497		2185
1498	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1500	or next;	2189	or next;
1501	$neigh->load;	2190	$neigh->load;
1502	}	2191	}
1503	}	2192	}
1504		2193
1505	sub find_sync {	2194	sub find_sync {
1506	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1507		2196
1508	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1509	}	2201	}
1510		2202
1511	sub do_load_sync {	2203	sub do_load_sync {
1512	my ($map) = @_;	2204	my ($map) = @_;
1513		2205
1514	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1515	}	2210	}
1516		2211
1517	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1519		2214
1520	sub find_async {	2215	sub find_async {
1521	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1522		2217
1523	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1524		2219
1525	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1527	}	2222	}
1528		2223
1529	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1530	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1531	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2231	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2232	$map->load if $v;
		2233	}
1536		2234
1537	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1538	}	2236	}
1539	}	2237	}
1540	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1541	};	2239	};
1542	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1543		2241
1544	()	2242	()
1545	}	2243	}
1546		2244
		2245	# common code, used by both ->save and ->swapout
1547	sub save {	2246	sub _save {
1548	my ($self) = @_;	2247	my ($self) = @_;
1549
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1551		2248
1552	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1553		2250
1554	return unless $self->dirty;	2251	return unless $self->dirty;
1555		2252
…		…
1561	return if $self->{deny_save};	2258	return if $self->{deny_save};
1562		2259
1563	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1564		2261
1565	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1566	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1567	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1568		2268
1569	if ($uniq) {	2269	if ($uniq) {
1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1572	} else {	2272	} else {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1574	}	2274	}
1575	}	2275	}
1576		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1577	sub swap_out {	2285	sub swap_out {
1578	my ($self) = @_;	2286	my ($self) = @_;
1579		2287
1580	# save first because save cedes
1581	$self->save;
1582
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1585	return if $self->players;	2292	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};
1588		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1589	$self->clear;	2303	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2304	}
1592		2305
1593	sub reset_at {	2306	sub reset_at {
1594	my ($self) = @_;	2307	my ($self) = @_;
1595		2308
1596	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1599		2311
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2314
…		…
1613	my ($self) = @_;	2325	my ($self) = @_;
1614		2326
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2328
1617	return if $self->players;	2329	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2330
1620	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1621		2332
1622	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1623		2334
1624	# need to save uniques path	2335	# need to save uniques path
1625	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1629	if $uniq;	2340	if $uniq;
1630	}	2341	}
1631		2342
1632	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1633		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2347	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2348
1638	$self->unlink_save;	2349	$self->unlink_save;
1639	$self->destroy;	2350	$self->destroy;
1640	}	2351	}
1641		2352
1642	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1643		2354
1644	sub nuke {	2355	sub nuke {
1645	my ($self) = @_;	2356	my ($self) = @_;
1646		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1647	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1648		2362
1649	$self->unlink_save;	2363	$self->unlink_save;
1650		2364
1651	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1652	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2370
1657	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1658		2373
1659	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1660	}	2411	}
1661		2412
1662	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1663		2414
1664	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2416	instantiated unique items. May block.
1666		2417
1667	=cut	2418	=cut
1668		2419
1669	sub unique_maps() {	2420	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1671	or return;	2422	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2423	utf8::decode $_;
1677	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1678	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1679		2426	? ()
1680	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2429	]
1682
1683	\@paths
1684	}	2430	}
1685		2431
1686	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1687		2463
1688	=back	2464	=back
1689		2465
1690	=head3 cf::object	2466	=head3 cf::object
1691		2467
…		…
1695		2471
1696	=over 4	2472	=over 4
1697		2473
1698	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1699		2475
1700	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1701		2478
1702	=cut	2479	=cut
1703		2480
1704	sub inv_recursive_;	2481	sub inv_recursive_;
1705	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1708		2485
1709	sub inv_recursive {	2486	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1711	}	2488	}
1712		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1713	package cf;	2518	package cf;
1714		2519
1715	=back	2520	=back
1716		2521
1717	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1723	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1724	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1725	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1726		2531
1727	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1728		2547
1729	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1730	# with dialog boxes.	2549	# with dialog boxes.
1731	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1732	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1734		2553
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2555
1737	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1739	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1742	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1743	}	2581	}
1744		2582
1745	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1746		2584
1747	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1760		2598
1761	=item $player_object->enter_link	2599	=item $player_object->enter_link
1762		2600
1763	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1764		2602
1765	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1766	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1767		2607
1768	Will never block.	2608	Will never block.
1769		2609
1770	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1771		2611
…		…
1791	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1792	my ($self) = @_;	2632	my ($self) = @_;
1793		2633
1794	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1795		2635
		2636	++$self->{_link_recursion};
		2637
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2639
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1800		2642
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1802	}	2644	}
1803		2645
1804	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1806		2650
1807	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1808		2652
1809	unless ($map) {	2653	unless ($map) {
1810	# restore original map position	2654	# restore original map position
…		…
1821	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1822	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1823		2667
1824	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1827		2671
1828	$map->load;	2672	$map->load;
1829	$map->load_diag;	2673	$map->load_neighbours;
1830		2674
1831	return unless $self->contr->active;	2675	return unless $self->contr->active;
1832	$self->activate_recursive;
1833		2676
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1836	}	2679	# entering was successful
1837		2680	delete $self->{_link_recursion};
1838	cf::player->attach (	2681	# only activate afterwards, to support waiting in hooks
1839	on_logout => sub {	2682	$self->activate_recursive;
1840	my ($pl) = @_;
1841
1842	# abort map switching before logout
1843	if ($pl->ob->{_link_pos}) {
1844	cf::sync_job {
1845	$pl->ob->leave_link
1846	};
1847	}
1848	},	2683	}
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2684
1852	# try to abort aborted map switching on player login :)	2685	}
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869		2686
1870	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1871		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1872	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1873		2701
1874	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2713
1877	$self->enter_link;	2714	$self->enter_link;
1878		2715
1879	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1880	my $map = eval {	2738	my $map = eval {
1881	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1883	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2754	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1888	})->prio (1);	2762	})->prio (1);
1889	}	2763	}
1890		2764
1891	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1892		2766
…		…
1912	}	2786	}
1913		2787
1914	sub prepare_random_map {	2788	sub prepare_random_map {
1915	my ($exit) = @_;	2789	my ($exit) = @_;
1916		2790
1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1918
1919	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1920	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1921	# that depends on the exit object	2793	# that depends on the exit object
1922		2794
1923	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1925	if ($exit->map) {	2797	if ($exit->map) {
1926	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1927	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1928	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1929	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1930	}	2804	}
1931		2805
1932	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1933		2807
1934	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1935	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1937		2811
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2814	undef $fh;
1941	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1942		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1943	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1944	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1945	}	2823	}
1946	}	2824	}
1947		2825
1948	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1949	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
1950		2828
1951	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1952		2830
1953	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
1955	cf::sync_job { prepare_random_map $exit };
1956	}
1957
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;
1961
1962	$self->enter_link;	2831	$self->enter_link;
1963		2832
1964	(async {	2833	(async {
1965	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1966	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
1967	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
1968		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1969	1;	2857	1
1970	}) {	2858	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1972	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2863
1976	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1977	$self->leave_link;	2865	$self->leave_link;
1978	}	2866	}
1979	})->prio (1);	2867	})->prio (1);
1980	}	2868	}
1981		2869
…		…
1992		2880
1993	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1995		2883
1996	utf8::encode $text;	2884	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2886	}
1999		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
2000		3109
2001	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2002		3111
2003	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		3115
2007	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	3117	become reliable at some point in the future.
2009		3118
2010	=cut	3119	=cut
2011		3120
2012	sub cf::client::query {	3121	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	3130	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		3132
2024	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2026	}	3137	}
2027		3138
2028	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2029	on_reply => sub {	3145	on_reply => sub {
2030	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2031		3147
2032	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2033	# get handled first	3149	# get handled first
…		…
2045	} else {	3161	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	3163	}
2048	}	3164	}
2049	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2050	);	3192	);
2051		3193
2052	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2053		3195
2054	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2070		3212
2071	$coro	3213	$coro
2072	}	3214	}
2073		3215
2074	cf::client->attach (	3216	cf::client->attach (
2075	on_destroy => sub {	3217	on_client_destroy => sub {
2076	my ($ns) = @_;	3218	my ($ns) = @_;
2077		3219
2078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2079	},	3221	},
2080	);	3222	);
…		…
2095	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2097		3239
2098	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2099		3241
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2101		3247
2102	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2103		3249
2104	=pod	3250	=pod
2105		3251
2106	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2107		3253
2108	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2109	cf::object::player player	3259	cf::object::player
2110	cf::player peaceful	3260	player
2111	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2112		3267
2113	=cut	3268	=cut
2114		3269
2115	for (	3270	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2117	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2119	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2120	) {	3277	) {
2121	no strict 'refs';
2122	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2124	for @funs;	3280	for @funs;
2125	}	3281	}
2126		3282
…		…
2141		3297
2142	my $qcode = $code;	3298	my $qcode = $code;
2143	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2144	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2145		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2146	local $_;	3305	local $_;
2147	local @safe::cf::_safe_eval_args = values %vars;
2148		3306
2149	my $eval =	3307	my $eval =
2150	"do {\n"	3308	"do {\n"
2151	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2152	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2153	. $code	3311	. $code
2154	. "\n}"	3312	. "\n}"
2155	;	3313	;
2156		3314
		3315	if ($CFG{safe_eval}) {
2157	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2158	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2159	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2160		3324
2161	if ($@) {	3325	if ($@) {
2162	warn "$@";	3326	warn "$@",
2163	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2164	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2165	}	3329	}
2166		3330
2167	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2168	}	3332	}
2169		3333
…		…
2183	=cut	3347	=cut
2184		3348
2185	sub register_script_function {	3349	sub register_script_function {
2186	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2187		3351
2188	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2189	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2190	}	3354	}
2191		3355
2192	=back	3356	=back
2193		3357
2194	=cut	3358	=cut
2195
2196	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267		3359
2268	#############################################################################	3360	#############################################################################
2269	# the server's init and main functions	3361	# the server's init and main functions
2270		3362
2271	sub init_resources {	3363	# async inc loader. yay.
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3364	sub inc_loader {
		3365	my $mod = $_[1];
		3366
		3367	if (in_main && !tick_inhibit) {
		3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
		3372
		3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	ref $dir and next;
		3376	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3377	or next;
		3378
		3379	$data = "#line 1 $dir/$mod\n$data";
		3380
		3381	open my $fh, "<", \$data or die;
		3382
		3383	return $fh;
		3384	}
		3385
		3386	()
		3387	}
		3388
		3389	sub init_inc {
		3390	# save original @INC
		3391	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3392
		3393	# make sure we can do scalar-opens
		3394	open my $dummy, "<", \my $dummy2;
		3395
		3396	# execute some stuff so perl load's some of the core modules
		3397	/Ü/ =~ /ü/i;
		3398	eval { &Storable::nstore_fd };
		3399
		3400	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3401
		3402	debug "module loading will be asynchronous from this point on.";
		3403	}
		3404
		3405	sub load_facedata($) {
		3406	my ($path) = @_;
		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3413
		3414	trace "loading facedata from $path\n";
		3415
		3416	my $facedata;
		3417	0 < aio_load $path, $facedata
		3418	or die "$path: $!";
		3419
		3420	$facedata = Coro::Storable::thaw $facedata;
		3421
		3422	$facedata->{version} == 2
		3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3424
		3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3427	$facedata->{resource}{"res/exp_table"} = {
		3428	type => FT_RSRC,
		3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
		3431	};
		3432	cf::cede_to_tick;
		3433
		3434	{
		3435	my $faces = $facedata->{faceinfo};
		3436
		3437	while (my ($face, $info) = each %$faces) {
		3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3439
		3440	cf::face::set_visibility $idx, $info->{visibility};
		3441	cf::face::set_magicmap $idx, $info->{magicmap};
		3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447
		3448	while (my ($face, $info) = each %$faces) {
		3449	next unless $info->{smooth};
		3450
		3451	my $idx = cf::face::find $face
		3452	or next;
		3453
		3454	if (my $smooth = cf::face::find $info->{smooth}) {
		3455	cf::face::set_smooth $idx, $smooth;
		3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3457	} else {
		3458	error "smooth face '$info->{smooth}' not found for face '$face'";
		3459	}
		3460
		3461	cf::cede_to_tick;
		3462	}
		3463	}
		3464
		3465	{
		3466	my $anims = $facedata->{animinfo};
		3467
		3468	while (my ($anim, $info) = each %$anims) {
		3469	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3470	cf::cede_to_tick;
		3471	}
		3472
		3473	cf::anim::invalidate_all; # d'oh
		3474	}
		3475
		3476	{
		3477	my $res = $facedata->{resource};
		3478
		3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
		3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
		3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
		3495	1
		3496	}
		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
		3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3522	or die "unable to load regions file\n";
2274	}
2275		3523
2276	sub cfg_load {	3524	for (cf::region::list) {
		3525	$_->{match} = qr/$_->{match}/
		3526	if exists $_->{match};
		3527	}
		3528	}
		3529
		3530	sub reload_facedata {
		3531	load_facedata "$DATADIR/facedata"
		3532	or die "unable to load facedata\n";
		3533	}
		3534
		3535	sub reload_archetypes {
		3536	load_resource_file "$DATADIR/archetypes"
		3537	or die "unable to load archetypes\n";
		3538	}
		3539
		3540	sub reload_treasures {
		3541	load_resource_file "$DATADIR/treasures"
		3542	or die "unable to load treasurelists\n";
		3543	}
		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
		3568	sub reload_resources {
		3569	trace "reloading resource files...\n";
		3570
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
		3574	reload_regions;
		3575	reload_treasures;
		3576
		3577	trace "finished reloading resource files\n";
		3578	}
		3579
		3580	sub reload_config {
		3581	trace "reloading config file...\n";
		3582
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3583	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3584	or return;
2279		3585
2280	local $/;	3586	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = YAML::XS::Load scalar <$fh>;
2282		3588
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2284		3590
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2287		3593
2288	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3596	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291	and die "WARNING: m(un)lockall failed: $!\n";	3597	and die "WARNING: m(un)lockall failed: $!\n";
2292	};	3598	};
2293	warn $@ if $@;	3599	warn $@ if $@;
2294	}	3600	}
2295	}
2296		3601
2297	sub init {	3602	trace "finished reloading resource files\n";
2298	init_resources;	3603	}
		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
2299	}	3631	}
2300		3632
2301	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2302	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305	(async {	3646	(async {
2306	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
2307	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
2308	};	3650	};
2309		3651
2310	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
		3653
		3654	cf::sync_job {
		3655	init_inc;
		3656
		3657	cf::init_experience;
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663	cf::load_materials;
		3664
		3665	reload_resources;
		3666	reload_config;
2311	db_init;	3667	db_init;
		3668
		3669	cf::init_uuid;
		3670	cf::init_signals;
		3671	cf::init_skills;
		3672
		3673	cf::init_beforeplay;
		3674
		3675	atomic;
		3676
2312	load_extensions;	3677	load_extensions;
2313		3678
2314	$TICK_WATCHER->start;	3679	utime time, time, $RUNTIMEFILE;
2315	Event::loop;	3680
		3681	# no (long-running) fork's whatsoever before this point(!)
		3682	use POSIX ();
		3683	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3684
		3685	(pop @POST_INIT)->(0) while @POST_INIT;
		3686	};
		3687
		3688	cf::object::thawer::errors_are_fatal 0;
		3689	info "parse errors in files are no longer fatal from this point on.\n";
		3690
		3691	my $free_main; $free_main = EV::idle sub {
		3692	undef $free_main;
		3693	undef &main; # free gobs of memory :)
		3694	};
		3695
		3696	goto &main_loop;
2316	}	3697	}
2317		3698
2318	#############################################################################	3699	#############################################################################
2319	# initialisation and cleanup	3700	# initialisation and cleanup
2320		3701
2321	# install some emergency cleanup handlers	3702	# install some emergency cleanup handlers
2322	BEGIN {	3703	BEGIN {
		3704	our %SIGWATCHER = ();
2323	for my $signal (qw(INT HUP TERM)) {	3705	for my $signal (qw(INT HUP TERM)) {
2324	Event->signal (	3706	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2325	reentrant => 0,
2326	data => WF_AUTOCANCEL,
2327	signal => $signal,
2328	prio => 0,
2329	cb => sub {
2330	cf::cleanup "SIG$signal";	3707	cf::cleanup "SIG$signal";
2331	},
2332	);	3708	};
		3709	}
		3710	}
		3711
		3712	sub write_runtime_sync {
		3713	my $t0 = AE::time;
		3714
		3715	# first touch the runtime file to show we are still running:
		3716	# the fsync below can take a very very long time.
		3717
		3718	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3719
		3720	my $guard = cf::lock_acquire "write_runtime";
		3721
		3722	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3723	or return;
		3724
		3725	my $value = $cf::RUNTIME + 90 + 10;
		3726	# 10 is the runtime save interval, for a monotonic clock
		3727	# 60 allows for the watchdog to kill the server.
		3728
		3729	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3730	and return;
		3731
		3732	# always fsync - this file is important
		3733	aio_fsync $fh
		3734	and return;
		3735
		3736	# touch it again to show we are up-to-date
		3737	aio_utime $fh, undef, undef;
		3738
		3739	close $fh
		3740	or return;
		3741
		3742	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3743	and return;
		3744
		3745	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3746
2333	}	3747	1
		3748	}
		3749
		3750	our $uuid_lock;
		3751	our $uuid_skip;
		3752
		3753	sub write_uuid_sync($) {
		3754	$uuid_skip ||= $_[0];
		3755
		3756	return if $uuid_lock;
		3757	local $uuid_lock = 1;
		3758
		3759	my $uuid = "$LOCALDIR/uuid";
		3760
		3761	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3762	or return;
		3763
		3764	my $value = uuid_seq uuid_cur;
		3765
		3766	unless ($value) {
		3767	info "cowardly refusing to write zero uuid value!\n";
		3768	return;
		3769	}
		3770
		3771	my $value = uuid_str $value + $uuid_skip;
		3772	$uuid_skip = 0;
		3773
		3774	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3775	and return;
		3776
		3777	# always fsync - this file is important
		3778	aio_fsync $fh
		3779	and return;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$uuid~", $uuid
		3785	and return;
		3786
		3787	trace "uuid file written ($value).\n";
		3788
		3789	1
		3790
		3791	}
		3792
		3793	sub write_uuid($$) {
		3794	my ($skip, $sync) = @_;
		3795
		3796	$sync ? write_uuid_sync $skip
		3797	: async { write_uuid_sync $skip };
2334	}	3798	}
2335		3799
2336	sub emergency_save() {	3800	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3801	my $freeze_guard = cf::freeze_mainloop;
2338		3802
2339	warn "enter emergency perl save\n";	3803	info "emergency_perl_save: enter\n";
		3804
		3805	# this is a trade-off: we want to be very quick here, so
		3806	# save all maps without fsync, and later call a global sync
		3807	# (which in turn might be very very slow)
		3808	local $USE_FSYNC = 0;
2340		3809
2341	cf::sync_job {	3810	cf::sync_job {
		3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
2342	# use a peculiar iteration method to avoid tripping on perl	3813	# use a peculiar iteration method to avoid tripping on perl
2343	# refcount bugs in for. also avoids problems with players	3814	# refcount bugs in for. also avoids problems with players
2344	# and maps saved/destroyed asynchronously.	3815	# and maps saved/destroyed asynchronously.
2345	warn "begin emergency player save\n";	3816	info "emergency_perl_save: begin player save\n";
2346	for my $login (keys %cf::PLAYER) {	3817	for my $login (keys %cf::PLAYER) {
2347	my $pl = $cf::PLAYER{$login} or next;	3818	my $pl = $cf::PLAYER{$login} or next;
2348	$pl->valid or next;	3819	$pl->valid or next;
		3820	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349	$pl->save;	3821	$pl->save;
2350	}	3822	}
2351	warn "end emergency player save\n";	3823	info "emergency_perl_save: end player save\n";
2352		3824
2353	warn "begin emergency map save\n";	3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	info "emergency_perl_save: begin map save\n";
2354	for my $path (keys %cf::MAP) {	3828	for my $path (keys %cf::MAP) {
2355	my $map = $cf::MAP{$path} or next;	3829	my $map = $cf::MAP{$path} or next;
2356	$map->valid or next;	3830	$map->valid or next;
2357	$map->save;	3831	$map->save;
2358	}	3832	}
2359	warn "end emergency map save\n";	3833	info "emergency_perl_save: end map save\n";
2360		3834
2361	warn "begin emergency database checkpoint\n";	3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	info "emergency_perl_save: begin database checkpoint\n";
2362	BDB::db_env_txn_checkpoint $DB_ENV;	3838	BDB::db_env_txn_checkpoint $DB_ENV;
2363	warn "end emergency database checkpoint\n";	3839	info "emergency_perl_save: end database checkpoint\n";
		3840
		3841	info "emergency_perl_save: begin write uuid\n";
		3842	write_uuid_sync 1;
		3843	info "emergency_perl_save: end write uuid\n";
		3844
		3845	cf::write_runtime_sync; # external watchdog should not bark
		3846
		3847	trace "emergency_perl_save: syncing database to disk";
		3848	BDB::db_env_txn_checkpoint $DB_ENV;
		3849
		3850	info "emergency_perl_save: starting sync\n";
		3851	IO::AIO::aio_sync sub {
		3852	info "emergency_perl_save: finished sync\n";
		3853	};
		3854
		3855	cf::write_runtime_sync; # external watchdog should not bark
		3856
		3857	trace "emergency_perl_save: flushing outstanding aio requests";
		3858	while (IO::AIO::nreqs || BDB::nreqs) {
		3859	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3860	}
		3861
		3862	cf::write_runtime_sync; # external watchdog should not bark
2364	};	3863	};
2365		3864
2366	warn "leave emergency perl save\n";	3865	info "emergency_perl_save: leave\n";
2367	}	3866	}
2368		3867
2369	sub post_cleanup {	3868	sub post_cleanup {
2370	my ($make_core) = @_;	3869	my ($make_core) = @_;
2371		3870
		3871	IO::AIO::flush;
		3872
2372	warn Carp::longmess "post_cleanup backtrace"	3873	error Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3874	if $make_core;
2374	}
2375		3875
		3876	my $fh = pidfile;
		3877	unlink $PIDFILE if <$fh> == $$;
		3878	}
		3879
		3880	# a safer delete_package, copied from Symbol
		3881	sub clear_package($) {
		3882	my $pkg = shift;
		3883
		3884	# expand to full symbol table name if needed
		3885	unless ($pkg =~ /^main::.*::$/) {
		3886	$pkg = "main$pkg" if $pkg =~ /^::/;
		3887	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3888	$pkg .= '::' unless $pkg =~ /::$/;
		3889	}
		3890
		3891	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3892	my $stem_symtab = *{$stem}{HASH};
		3893
		3894	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3895	or return;
		3896
		3897	# clear all symbols
		3898	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3899	for my $name (keys %$leaf_symtab) {
		3900	_gv_clear *{"$pkg$name"};
		3901	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3902	}
		3903	}
		3904
2376	sub reload() {	3905	sub do_reload_perl() {
2377	# can/must only be called in main	3906	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3907	if (in_main) {
2379	warn "can only reload from main coroutine";	3908	error "can only reload from main coroutine";
2380	return;	3909	return;
2381	}	3910	}
2382		3911
		3912	return if $RELOAD++;
		3913
		3914	my $t1 = AE::time;
		3915
		3916	while ($RELOAD) {
2383	warn "reloading...";	3917	info "reloading...";
2384		3918
2385	warn "entering sync_job";	3919	trace "entering sync_job";
2386		3920
2387	cf::sync_job {	3921	cf::sync_job {
2388	cf::write_runtime; # external watchdog should not bark
2389	cf::emergency_save;	3922	cf::emergency_save;
2390	cf::write_runtime; # external watchdog should not bark
2391		3923
2392	warn "syncing database to disk";
2393	BDB::db_env_txn_checkpoint $DB_ENV;
2394
2395	# if anything goes wrong in here, we should simply crash as we already saved
2396
2397	warn "cancelling all WF_AUTOCANCEL watchers";
2398	for (Event::all_watchers) {
2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2400	}
2401
2402	warn "flushing outstanding aio requests";
2403	for (;;) {
2404	BDB::flush;
2405	IO::AIO::flush;
2406	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";
2409	}
2410
2411	warn "cancelling all extension coros";	3924	trace "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3926	%EXT_CORO = ();
2414		3927
2415	warn "removing commands";	3928	trace "removing commands";
2416	%COMMAND = ();	3929	%COMMAND = ();
2417		3930
2418	warn "removing ext commands";	3931	trace "removing ext/exti commands";
2419	%EXTCMD = ();	3932	%EXTCMD = ();
		3933	%EXTICMD = ();
2420		3934
2421	warn "unloading/nuking all extensions";	3935	trace "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2424		3938
2425	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2426	eval {	3940	eval {
2427	$cb->($pkg);	3941	$cb->($pkg);
2428	1	3942	1
2429	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2430	}	3948	}
2431		3949
2432	warn "... nuking $pkg";
2433	Symbol::delete_package $pkg;
2434	}
2435
2436	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "unloading all perl modules loaded from $LIBDIR";
2437	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2439		3953
2440	warn "... unloading $k";	3954	trace "... unloading $k";
2441	delete $INC{$k};	3955	delete $INC{$k};
2442		3956
2443	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2444	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2445		3959
2446	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2447	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2448	}	3965	}
2449		3966
2450	Symbol::delete_package $k;
2451	}
2452
2453	warn "getting rid of safe::, as good as possible";	3967	trace "getting rid of safe::, as good as possible";
2454	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3970
2457	warn "unloading cf.pm \"a bit\"";	3971	trace "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
		3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2459		3974
2460	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3976	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2463		3978
2464	warn "unload completed, starting to reload now";	3979	info "unload completed, starting to reload now";
2465		3980
2466	warn "reloading cf.pm";	3981	trace "reloading cf.pm";
2467	require cf;	3982	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2469		3984
2470	warn "loading config and database again";	3985	trace "loading config and database again";
2471	cf::cfg_load;	3986	cf::reload_config;
2472		3987
2473	warn "loading extensions";	3988	trace "loading extensions";
2474	cf::load_extensions;	3989	cf::load_extensions;
2475		3990
		3991	if ($REATTACH_ON_RELOAD) {
2476	warn "reattaching attachments to objects/players";	3992	trace "reattaching attachments to objects/players";
2477	_global_reattach; # objects, sockets	3993	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	3994	trace "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
2480	warn "reattaching attachments to players";	3996	trace "reattaching attachments to players";
2481	reattach $_ for values %PLAYER;	3997	reattach $_ for values %PLAYER;
		3998	}
2482		3999
2483	warn "loading reloadable resources";	4000	trace "running post_init jobs";
2484	init_resources;	4001	(pop @POST_INIT)->(1) while @POST_INIT;
2485		4002
2486	warn "leaving sync_job";	4003	trace "leaving sync_job";
2487		4004
2488	1	4005	1
2489	} or do {	4006	} or do {
2490	warn $@;	4007	error $@;
2491	warn "error while reloading, exiting.";	4008	cf::cleanup "error while reloading, exiting.";
2492	exit 1;	4009	};
		4010
		4011	info "reloaded";
		4012	--$RELOAD;
		4013	}
		4014
		4015	$t1 = AE::time - $t1;
		4016	info "reload completed in ${t1}s\n";
		4017	};
		4018
		4019	our $RELOAD_WATCHER; # used only during reload
		4020
		4021	sub reload_perl() {
		4022	# doing reload synchronously and two reloads happen back-to-back,
		4023	# coro crashes during coro_state_free->destroy here.
		4024
		4025	$RELOAD_WATCHER ||= cf::async {
		4026	Coro::AIO::aio_wait cache_extensions;
		4027
		4028	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4029	do_reload_perl;
		4030	undef $RELOAD_WATCHER;
		4031	};
2493	};	4032	};
2494		4033	}
2495	warn "reloaded";
2496	};
2497
2498	our $RELOAD_WATCHER; # used only during reload
2499		4034
2500	register_command "reload" => sub {	4035	register_command "reload" => sub {
2501	my ($who, $arg) = @_;	4036	my ($who, $arg) = @_;
2502		4037
2503	if ($who->flag (FLAG_WIZ)) {	4038	if ($who->flag (FLAG_WIZ)) {
2504	$who->message ("reloading server.");	4039	$who->message ("reloading server.");
2505		4040	async {
2506	# doing reload synchronously and two reloads happen back-to-back,	4041	$Coro::current->{desc} = "perl_reload";
2507	# coro crashes during coro_state_free->destroy here.
2508
2509	$RELOAD_WATCHER ||= Event->timer (
2510	reentrant => 0,
2511	after => 0,
2512	data => WF_AUTOCANCEL,
2513	cb => sub {
2514	reload;	4042	reload_perl;
2515	undef $RELOAD_WATCHER;
2516	},
2517	);	4043	};
2518	}	4044	}
2519	};	4045	};
2520		4046
2521	unshift @INC, $LIBDIR;	4047	#############################################################################
2522		4048
2523	my $bug_warning = 0;	4049	my $bug_warning = 0;
2524		4050
2525	$TICK_WATCHER = Event->timer (	4051	our @WAIT_FOR_TICK;
2526	reentrant => 0,	4052	our @WAIT_FOR_TICK_BEGIN;
2527	parked => 1,	4053
2528	prio => 0,	4054	sub wait_for_tick {
2529	at => $NEXT_TICK || $TICK,	4055	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2530	data => WF_AUTOCANCEL,	4056
2531	cb => sub {	4057	my $signal = new Coro::Signal;
		4058	push @WAIT_FOR_TICK, $signal;
		4059	$signal->wait;
		4060	}
		4061
		4062	sub wait_for_tick_begin {
		4063	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4064
		4065	my $signal = new Coro::Signal;
		4066	push @WAIT_FOR_TICK_BEGIN, $signal;
		4067	$signal->wait;
		4068	}
		4069
		4070	sub tick {
2532	if ($Coro::current != $Coro::main) {	4071	if ($Coro::current != $Coro::main) {
2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4072	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534	unless ++$bug_warning > 10;	4073	unless ++$bug_warning > 10;
2535	return;	4074	return;
2536	}	4075	}
2537		4076
2538	$NOW = Event::time;
2539
2540	cf::server_tick; # one server iteration	4077	cf::server_tick; # one server iteration
2541	$RUNTIME += $TICK;
2542	$NEXT_TICK += $TICK;
2543		4078
		4079	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4080
2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4081	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545	$NEXT_RUNTIME_WRITE = $NOW + 10;	4082	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2546	Coro::async_pool {	4083	Coro::async_pool {
		4084	$Coro::current->{desc} = "runtime saver";
2547	write_runtime	4085	write_runtime_sync
2548	or warn "ERROR: unable to write runtime file: $!";	4086	or error "ERROR: unable to write runtime file: $!";
2549	};
2550	}	4087	};
2551
2552	$WAIT_FOR_TICK->broadcast;
2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554
2555	# my $AFTER = Event::time;
2556	# warn $AFTER - $NOW;#d#
2557
2558	# if we are delayed by four ticks or more, skip them all
2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2560
2561	$TICK_WATCHER->at ($NEXT_TICK);
2562	$TICK_WATCHER->start;
2563	},	4088	}
2564	);	4089
		4090	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4091	$sig->send;
		4092	}
		4093	while (my $sig = shift @WAIT_FOR_TICK) {
		4094	$sig->send;
		4095	}
		4096
		4097	$LOAD = ($NOW - $TICK_START) / $TICK;
		4098	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4099
		4100	if (0) {
		4101	if ($NEXT_TICK) {
		4102	my $jitter = $TICK_START - $NEXT_TICK;
		4103	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4104	debug "jitter $JITTER\n";#d#
		4105	}
		4106	}
		4107	}
2565		4108
2566	{	4109	{
2567	BDB::max_poll_time $TICK * 0.1;	4110	# configure BDB
2568	$BDB_POLL_WATCHER = Event->io (	4111
2569	reentrant => 0,
2570	fd => BDB::poll_fileno,
2571	poll => 'r',
2572	prio => 0,
2573	data => WF_AUTOCANCEL,
2574	cb => \&BDB::poll_cb,
2575	);
2576	BDB::min_parallel 8;	4112	BDB::min_parallel 16;
2577		4113	BDB::max_poll_reqs $TICK * 0.1;
2578	BDB::set_sync_prepare {	4114	$AnyEvent::BDB::WATCHER->priority (1);
2579	my $status;
2580	my $current = $Coro::current;
2581	(
2582	sub {
2583	$status = $!;
2584	$current->ready; undef $current;
2585	},
2586	sub {
2587	Coro::schedule while defined $current;
2588	$! = $status;
2589	},
2590	)
2591	};
2592		4115
2593	unless ($DB_ENV) {	4116	unless ($DB_ENV) {
2594	$DB_ENV = BDB::db_env_create;	4117	$DB_ENV = BDB::db_env_create;
		4118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4119	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4120	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4121	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4122	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2595		4123
2596	cf::sync_job {	4124	cf::sync_job {
2597	eval {	4125	eval {
2598	BDB::db_env_open	4126	BDB::db_env_open
2599	$DB_ENV,	4127	$DB_ENV,
2600	$BDB_ENV_DIR,	4128	$BDBDIR,
2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4129	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4130	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603	0666;	4131	0666;
2604		4132
2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4133	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2606
2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608	$DB_ENV->set_lk_detect;
2609	};	4134	};
2610		4135
2611	cf::cleanup "db_env_open(db): $@" if $@;	4136	cf::cleanup "db_env_open(db): $@" if $@;
2612	};	4137	};
2613	}	4138	}
		4139
		4140	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4141	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4142	};
		4143	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4144	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4145	};
		4146	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4147	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4148	};
2614	}	4149	}
2615		4150
2616	{	4151	{
		4152	# configure IO::AIO
		4153
2617	IO::AIO::min_parallel 8;	4154	IO::AIO::min_parallel 8;
2618
2619	undef $Coro::AIO::WATCHER;
2620	IO::AIO::max_poll_time $TICK * 0.1;	4155	IO::AIO::max_poll_time $TICK * 0.1;
2621	$AIO_POLL_WATCHER = Event->io (	4156	undef $AnyEvent::AIO::WATCHER;
2622	reentrant => 0,
2623	data => WF_AUTOCANCEL,
2624	fd => IO::AIO::poll_fileno,
2625	poll => 'r',
2626	prio => 6,
2627	cb => \&IO::AIO::poll_cb,
2628	);
2629	}	4157	}
		4158
		4159	my $_log_backtrace;
		4160
		4161	sub _log_backtrace {
		4162	my ($msg, @addr) = @_;
		4163
		4164	$msg =~ s/\n//;
		4165
		4166	# limit the # of concurrent backtraces
		4167	if ($_log_backtrace < 2) {
		4168	++$_log_backtrace;
		4169	my $perl_bt = Carp::longmess $msg;
		4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
		4173	my @bt = fork_call {
		4174	@addr = map { sprintf "%x", $_ } @addr;
		4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4177	or die "addr2line: $!";
		4178
		4179	my @funcs;
		4180	my @res = <$fh>;
		4181	chomp for @res;
		4182	while (@res) {
		4183	my ($func, $line) = splice @res, 0, 2, ();
		4184	push @funcs, "[$func] $line";
		4185	}
		4186
		4187	@funcs
		4188	};
		4189
		4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4192	LOG llevInfo, "[ABT] $_\n" for @bt;
		4193	--$_log_backtrace;
		4194	};
		4195	} else {
		4196	LOG llevInfo, "[ABT] $msg\n";
		4197	LOG llevInfo, "[ABT] [suppressed]\n";
		4198	}
		4199	}
		4200
		4201	# load additional modules
		4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
2630		4204
2631	END { cf::emergency_save }	4205	END { cf::emergency_save }
2632		4206
2633	1	4207	1
2634		4208

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