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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.239 by root, Mon Apr 16 06:23:42 2007 UTC vs.
Revision 1.536 by root, Thu Apr 29 08:26:38 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.52 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
21	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
22		54
		55	use JSON::XS 2.01 ();
23	use BDB ();	56	use BDB ();
24	use Data::Dumper;	57	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	58	use Fcntl;
27	use YAML::Syck ();	59	use YAML::XS ();
28	use IO::AIO 2.32 ();	60	use IO::AIO ();
29	use Time::HiRes;	61	use Time::HiRes;
30	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
31		66
32	# configure various modules to our taste	67	# configure various modules to our taste
33	#	68	#
34	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		77
38	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
39		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		80
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98	our $DATADIR = datadir;
61	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(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	121	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
69		130
70	our %CFG;	131	our %CFG;
71		132
72	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
74		136
75	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		140
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $REALLY_UNLOOP; # never set to true, please :)
		153
84	binmode STDOUT;	154	binmode STDOUT;
85	binmode STDERR;	155	binmode STDERR;
86		156
87	# read virtual server time, if available	157	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
92	}	162	}
93		163
94	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	165
96	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		168
101	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
102		170
103	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::"} };
104		187
105	#############################################################################	188	#############################################################################
106		189
107	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
108		191
…		…
115	=item $cf::RUNTIME	198	=item $cf::RUNTIME
116		199
117	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
118	every server tick.	201	every server tick.
119		202
120	=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
121		206
122	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		211
125	=item $cf::NOW	212	=item $cf::NOW
126		213
127	The time of the last (current) server tick.	214	The time of the last (current) server tick.
128		215
129	=item $cf::TICK	216	=item $cf::TICK
130		217
131	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	230	=item %cf::CFG
134		231
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	233	from wherever your confdir points to.
137		234
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		236
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		252
144	=back	253	=back
145		254
146	=cut	255	=cut
147		256
148	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
149	*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 {
150	my $msg = join "", @_;	264	my $msg = join "", @_;
151	utf8::encode $msg;
152		265
153	$msg .= "\n"	266	$msg .= "\n"
154	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
155		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
156	LOG llevError, $msg;	271	LOG llevWarn, $msg;
157	};	272	};
158	}	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	};
159		287
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		295
167	# 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
168	# within the Safe compartment.	297	# within the Safe compartment.
169	for my $pkg (qw(	298	for my $pkg (qw(
170	cf::global cf::attachable	299	cf::global cf::attachable
171	cf::object cf::object::player	300	cf::object cf::object::player
172	cf::client cf::player	301	cf::client cf::player
173	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
174	cf::map cf::party cf::region	304	cf::party cf::region
175	)) {	305	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	307	}
179		308
180	$Event::DIED = sub {	309	$EV::DIED = sub {
181	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
182	};	311	};
		312
		313	#############################################################################
183		314
184	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
185		316
186	=over 4	317	=over 4
187		318
…		…
206	$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;
207	$d	338	$d
208	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
209	}	340	}
210		341
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
214		343
215	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
216		345
217	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
218		347
219	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
220		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[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;
		369	}
		370
221	=item cf::lock_wait $string	371	=item cf::lock_wait $string
222		372
223	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
224		374
225	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
226		376
227	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
230	returned.	380	returned.
231		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
232	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
234		387
235	=cut	388	=item $locked = cf::lock_active $string
236		389
237	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
238		395
239	sub lock_wait($) {	396	sub lock_wait($) {
240	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	398	}
248		399
249	sub lock_acquire($) {	400	sub lock_acquire($) {
250	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
251		403
252	# wait, to be sure we are not locked	404	sub lock_active($) {
253	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	406	}
262		407
263	sub freeze_mainloop {	408	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
265		410
266	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	412	}
		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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
268	};	478	}
269	$TICK_WATCHER->stop;	479	};
270	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
271	}	494	}
272		495
273	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
274		497
275	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		503
281	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
282		505
283	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
284		507
285	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
288		512
289	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
292	fast or be very important.	516	fast or be very important.
…		…
294	=cut	518	=cut
295		519
296	sub sync_job(&) {	520	sub sync_job(&) {
297	my ($job) = @_;	521	my ($job) = @_;
298		522
299	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
300	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
302		528
303	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	530
305	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
306		532
307	my $busy = 1;	533	my $busy = 1;
308	my @res;	534	my @res;
309		535
310	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	538	@res = eval { $job->() };
312	warn $@ if $@;	539	error $@ if $@;
313	undef $busy;	540	undef $busy;
314	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
315		542
316	while ($busy) {	543	while ($busy) {
317	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
318	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
319		554
320	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
321	} else {	556	} else {
322	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
323		558
…		…
343	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
344		579
345	$coro	580	$coro
346	}	581	}
347		582
348	sub write_runtime {	583	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		584
351	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.
352		589
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
354	or return;
355		591
356	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		594
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
361	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
362		598
363	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	600	reset_signals;
365	and return;	601	&$cb
		602	}, @args;
366		603
367	close $fh	604	wantarray ? @res : $res[-1]
368	or return;	605	}
369		606
370	aio_rename "$runtime~", $runtime	607	sub objinfo {
371	and return;
372
373	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"
374	}	772	}
375		773
376	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
377		775
378	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
379		777
380	=cut	778	=cut
381		779
382	sub datalog($@) {	780	sub datalog($@) {
383	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	783	}
386		784
387	=back	785	=back
388		786
389	=cut	787	=cut
390		788
391	#############################################################################	789	#############################################################################
392		790
393	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
394		792
395	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
396	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")
397	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
398		796
399	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>
400	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
401	crossfire+).	799	Deliantra).
402		800
403	=over 4	801	=over 4
404		802
405	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
406		804
…		…
450	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
451		849
452	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
454		852
455	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		855
458	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
459		857
460	=over 4	858	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
570		968
571	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		973
576	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	975	my $pkg = shift @arg;
578		976
579	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
584		982
585	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		985
588	} elsif (ref $type) {	986	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
590		988
591	} else {	989	} else {
592	shift @arg;	990	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
594	}	992	}
595	}	993	}
596	}	994	}
597		995
598	sub _object_attach {	996	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
609	}	1007	}
610		1008
611	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
612	} else {	1010	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1012	}
615		1013
616	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
617	}	1015	}
618		1016
…		…
620	if (ref $_[0]) {	1018	if (ref $_[0]) {
621	_object_attach @_;	1019	_object_attach @_;
622	} else {	1020	} else {
623	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
624	}	1022	}
		1023	_recalc_want;
625	};	1024	};
626		1025
627	# all those should be optimised	1026	# all those should be optimised
628	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1032	reattach ($obj);
634	} else {	1033	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
636	}	1035	}
		1036	_recalc_want;
637	};	1037	};
638		1038
639	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
641		1041
…		…
656	";	1056	";
657	die if $@;	1057	die if $@;
658	}	1058	}
659		1059
660	our $override;	1060	our $override;
661	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?
662		1062
663	sub override {	1063	sub override {
664	$override = 1;	1064	$override = 1;
665	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
666	}	1066	}
667		1067
668	sub do_invoke {	1068	sub do_invoke {
669	my $event = shift;	1069	my $event = shift;
670	my $callbacks = shift;	1070	my $callbacks = shift;
671		1071
672	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
673		1073
674	local $override;	1074	local $override;
675		1075
676	for (@$callbacks) {	1076	for (@$callbacks) {
677	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
678		1078
679	if ($@) {	1079	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1081	override;
683	}	1082	}
684		1083
685	return 1 if $override;	1084	return 1 if $override;
686	}	1085	}
687		1086
688	0	1087	0
689	}	1088	}
690		1089
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1091
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1093
695	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
696		1095
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1099
701	=back	1100	=back
702		1101
703	=cut	1102	=cut
704		1103
705	#############################################################################	1104	#############################################################################
706	# 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, $ob2
		1147	}
707		1148
708	sub reattach {	1149	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1151	my ($obj) = @_;
711		1152
		1153	# no longer needed after getting rid of delete_package?
712	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
713		1155
714	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
715		1157
716	@$registry = ();	1158	@$registry = ();
717		1159
…		…
722	for (@$attach) {	1164	for (@$attach) {
723	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
725	}	1167	}
726	} else {	1168	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1170	}
729	}	1171	}
730	}	1172	}
731		1173
732	cf::attachable->attach (	1174	cf::attachable->attach (
733	prio => -1000000,	1175	prio => -1000000,
734	on_instantiate => sub {	1176	on_instantiate => sub {
735	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
736		1178
737	$data = from_json $data;	1179	$data = decode_json $data;
738		1180
739	for (@$data) {	1181	for (@$data) {
740	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
741		1183
742	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1200	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
760		1202
761	sync_job {	1203	sync_job {
762	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
765		1209
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1217	aio_close $fh;
771		1218
772	if (@$objs) {	1219	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1228	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
780	}	1230	}
781	} else {	1231	} else {
782	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
783	}	1233	}
784		1234
785	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1239	} else {
787	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
788	}	1241	}
789	} else {	1242	} else {
790	aio_unlink $filename;	1243	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
792	}	1245	}
793	}	1246	};
794	}	1247	}
795		1248
796	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
798		1251
…		…
810	or return;	1263	or return;
811		1264
812	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
814	or return;	1267	or return;
		1268
815	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
816	}	1271	}
817		1272
		1273	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
820	return ($data, $av);	1278	($data, $av)
821	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
822		1286
823	#############################################################################	1287	#############################################################################
824	# command handling &c	1288	# command handling &c
825		1289
826	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1304	}
841		1305
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1307
844	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.
845		1313
846	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
847	called.	1315	called.
848		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
849	=cut	1328	=cut
850		1329
851	sub register_extcmd {	1330	sub register_extcmd {
852	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
853		1332
854	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
855	}	1334	}
856		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
857	cf::player->attach (	1344	cf::player->attach (
858	on_command => sub {	1345	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
860		1347
861	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
862	or return;	1349	or return;
863		1350
…		…
868	cf::override;	1355	cf::override;
869	},	1356	},
870	on_extcmd => sub {	1357	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
872		1359
873	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1361
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
881	} else {	1377	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1379	}
884		1380
885	cf::override;	1381	cf::override;
886	},	1382	},
887	);	1383	);
888		1384
		1385	# "readahead" all extensions
889	sub load_extension {	1386	sub cache_extensions {
890	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
891		1388
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1392	}
917	die $@;
918	}	1393	};
919		1394
920	push @EXTS, $pkg;	1395	$grp
921	}	1396	}
922		1397
923	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
924	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1405	next unless -r $path;
926	eval {	1406
927	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 $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
928	1	1470	}
929	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
930	}	1481	};
931	}	1482	}
932		1483
933	#############################################################################	1484	#############################################################################
934		1485
		1486	=back
		1487
935	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
936		1489
937	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
938		1491
939	=cut	1492	=cut
940		1493
941	package cf::player;	1494	package cf::player;
942		1495
…		…
944		1497
945	=head3 cf::player	1498	=head3 cf::player
946		1499
947	=over 4	1500	=over 4
948		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
949	=item cf::player::find $login	1516	=item cf::player::find $login
950		1517
951	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
952		1519
953	=cut	1520	=cut
954		1521
955	sub playerdir($) {	1522	sub playerdir($) {
956	cf::localdir	1523	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1525	}
962		1526
963	sub path($) {	1527	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1538
975	sub exists($) {	1539	sub exists($) {
976	my ($login) = @_;	1540	my ($login) = @_;
977		1541
978	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
980	}	1544	}
981		1545
982	sub find($) {	1546	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1548	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
995		1559
996	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
997	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
999	}	1569	}
1000	}	1570	}
1001	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1002		1585
1003	sub save($) {	1586	sub save($) {
1004	my ($pl) = @_;	1587	my ($pl) = @_;
1005		1588
1006	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1012		1595
1013	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1015		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1016	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1017	Coro::cede;	1605	cf::cede_to_tick;
1018	}	1606	}
1019		1607
1020	sub new($) {	1608	sub new($) {
1021	my ($login) = @_;	1609	my ($login) = @_;
1022		1610
…		…
1028	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1029		1617
1030	$self	1618	$self
1031	}	1619	}
1032		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1033	=item $pl->quit_character	1631	=item $pl->quit_character
1034		1632
1035	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1037		1635
…		…
1041	my ($pl) = @_;	1639	my ($pl) = @_;
1042		1640
1043	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1044		1642
1045	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1645
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1052		1651
1053	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1085		1684
1086	=cut	1685	=cut
1087		1686
1088	sub list_logins {	1687	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1689	or return [];
1091		1690
1092	my @logins;	1691	my @logins;
1093		1692
1094	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1098		1703
1099	utf8::decode $login;	1704	utf8::decode $login;
1100	push @logins, $login;	1705	push @logins, $login;
1101	}	1706	}
1102		1707
1103	\@logins	1708	\@logins
1104	}	1709	}
1105		1710
1106	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1107		1714
1108	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1109	player. May block.	1716	player. May block.
1110		1717
1111	=cut	1718	=cut
…		…
1129	}	1736	}
1130		1737
1131	\@paths	1738	\@paths
1132	}	1739	}
1133		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1134	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1135		1746
1136	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1137		1748
1138	=cut	1749	=cut
1139		1750
1140	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1142		1753
1143	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1755	}
1147		1756
1148	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1149		1758
1150	Sends an ext event to the client.	1759	Sends an ext event to the client.
1151		1760
1152	=cut	1761	=cut
1153		1762
1154	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1156		1765
1157	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1158	}	1767	}
1159		1768
1160	=head3 cf::region	1769	=head3 cf::region
1161		1770
1162	=over 4	1771	=over 4
…		…
1165		1774
1166	package cf::region;	1775	package cf::region;
1167		1776
1168	=item cf::region::find_by_path $path	1777	=item cf::region::find_by_path $path
1169		1778
1170	Tries to decuce the probable region for a map knowing only its path.	1779	Tries to decuce the likely region for a map knowing only its path.
1171		1780
1172	=cut	1781	=cut
1173		1782
1174	sub find_by_path($) {	1783	sub find_by_path($) {
1175	my ($path) = @_;	1784	my ($path) = @_;
1176		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1177	my ($match, $specificity);	1788	my ($match, $specificity);
1178		1789
1179	for my $region (list) {	1790	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1183	}	1794	}
1184	}	1795	}
1185		1796
…		…
1206	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1208		1819
1209	sub generate_random_map {	1820	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1211	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1826	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1241		1855
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1857	}
1244		1858
1245	# also paths starting with '/'	1859	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1861
1248	sub thawer_merge {	1862	sub thawer_merge {
1249	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1250		1864
1251	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1252	local $self->{path};	1866	local $self->{path};
1253	local $self->{load_path};	1867	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1868
1257	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1258	}	1870	}
1259		1871
1260	sub normalise {	1872	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1308	return $self;	1920	return $self;
1309	}	1921	}
1310	}	1922	}
1311		1923
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1925	()
1314	}	1926	}
1315		1927
1316	sub init {	1928	sub init {
1317	my ($self) = @_;	1929	my ($self) = @_;
…		…
1332		1944
1333	# the original (read-only) location	1945	# the original (read-only) location
1334	sub load_path {	1946	sub load_path {
1335	my ($self) = @_;	1947	my ($self) = @_;
1336		1948
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1338	}	1950	}
1339		1951
1340	# the temporary/swap location	1952	# the temporary/swap location
1341	sub save_path {	1953	sub save_path {
1342	my ($self) = @_;	1954	my ($self) = @_;
1343		1955
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1346	}	1958	}
1347		1959
1348	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1349	sub uniq_path {	1961	sub uniq_path {
1350	my ($self) = @_;	1962	my ($self) = @_;
1351		1963
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1354	}	1966	}
1355		1967
1356	# and all this just because we cannot iterate over	1968	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1969	my ($self) = @_;
1360		1970
1361	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1363	}	1974	}
1364		1975
1365	sub unlink_save {	1976	sub unlink_save {
1366	my ($self) = @_;	1977	my ($self) = @_;
1367		1978
…		…
1372		1983
1373	sub load_header_from($) {	1984	sub load_header_from($) {
1374	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1375		1986
1376	utf8::encode $path;	1987	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		1996
1383	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1384		1998
1385	1	1999	1
1386	}	2000	}
…		…
1425	$self->load_header_orig	2039	$self->load_header_orig
1426	or return;	2040	or return;
1427	$self->prepare_orig;	2041	$self->prepare_orig;
1428	}	2042	}
1429		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
1430	$self->default_region (cf::region::find_by_path $self->{path})	2047	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2048	unless $self->default_region;
1432		2049
1433	1	2050	1
1434	}	2051	}
…		…
1437	sub find {	2054	sub find {
1438	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1439		2056
1440	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1441		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2061
1444	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1447	or return;	2064	or return;
1448		2065
1449	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1450		2067
1451	$map->load_header	2068	$map->load_header
1452	or return;	2069	or return;
1453		2070
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1457	$map->reset;	2076	$map->reset;
1458	undef $guard;
1459	return find $path;	2077	return find $path;
1460	}	2078	}
1461		2079
1462	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1463	}	2081	}
1464	}	2082	}
1465		2083
1466	sub pre_load { }	2084	sub pre_load { }
1467	sub post_load { }	2085	#sub post_load { } # XS
1468		2086
1469	sub load {	2087	sub load {
1470	my ($self) = @_;	2088	my ($self) = @_;
1471		2089
1472	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1473		2091
1474	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1476		2096
		2097	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2099
1479	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1480		2101
1481	$self->alloc;	2102	$self->alloc;
1482		2103
1483	$self->pre_load;	2104	$self->pre_load;
1484	Coro::cede;	2105	cf::cede_to_tick;
1485		2106
1486	$self->_load_objects ($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)
1487	or return;	2110	or return;
1488		2111
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1490	if delete $self->{load_original};	2113	if delete $self->{load_original};
1491		2114
1492	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2116	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2119	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1497	}	2123	}
1498	}	2124	}
1499		2125
1500	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1501	# now do the right thing for maps	2129	# now do the right thing for maps
1502	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2132	unless $self->difficulty;
1513	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1514	$self->activate;	2140	$self->activate;
1515	Coro::cede;	2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2147	}
1517		2148
1518	$self->post_load;	2149	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2150	}
1523		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2155	sub customise_for {
1525	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1526		2157
1527	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2159	if $self->per_player;
1529		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1530	$self	2164	$self
1531	}	2165	}
1532		2166
1533	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2168	sub load_neighbours {
1535	my ($map) = @_;	2169	my ($map) = @_;
1536		2170
1537	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1538		2172
1539	for (0 .. 3) {	2173	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1541	or next;	2175	or next;
1542	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1543	or next;	2177	or next;
1544	$neigh->load;	2178	$neigh->load;
1545		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2184	}
1549		2185
1550	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1552	or next;	2189	or next;
1553	$neigh->load;	2190	$neigh->load;
1554	}	2191	}
1555	}	2192	}
1556		2193
1557	sub find_sync {	2194	sub find_sync {
1558	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1559		2196
1560	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, $origin
1561	}	2201	}
1562		2202
1563	sub do_load_sync {	2203	sub do_load_sync {
1564	my ($map) = @_;	2204	my ($map) = @_;
1565		2205
1566	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;
1567	}	2210	}
1568		2211
1569	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1571		2214
1572	sub find_async {	2215	sub find_async {
1573	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1574		2217
1575	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1576		2219
1577	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2222	}
1580		2223
1581	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1582	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1583	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2231	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2232	$map->load if $v;
		2233	}
1588		2234
1589	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1590	}	2236	}
1591	}	2237	}
1592	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1593	};	2239	};
1594	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1595		2241
1596	()	2242	()
1597	}	2243	}
1598		2244
		2245	# common code, used by both ->save and ->swapout
1599	sub save {	2246	sub _save {
1600	my ($self) = @_;	2247	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2248
1604	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1605		2250
1606	return unless $self->dirty;	2251	return unless $self->dirty;
1607		2252
…		…
1613	return if $self->{deny_save};	2258	return if $self->{deny_save};
1614		2259
1615	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1616		2261
1617	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1619	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1620		2268
1621	if ($uniq) {	2269	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2272	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2274	}
1627	}	2275	}
1628		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1629	sub swap_out {	2285	sub swap_out {
1630	my ($self) = @_;	2286	my ($self) = @_;
1631		2287
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1637	return if $self->players;	2292	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		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
1641	$self->clear;	2303	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2304	}
1644		2305
1645	sub reset_at {	2306	sub reset_at {
1646	my ($self) = @_;	2307	my ($self) = @_;
1647		2308
1648	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1651		2311
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2314
…		…
1665	my ($self) = @_;	2325	my ($self) = @_;
1666		2326
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2328
1669	return if $self->players;	2329	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2330
1672	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1673		2332
1674	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1675		2334
1676	# need to save uniques path	2335	# need to save uniques path
1677	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2340	if $uniq;
1682	}	2341	}
1683		2342
1684	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1685		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2347	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2348
1690	$self->unlink_save;	2349	$self->unlink_save;
1691	$self->destroy;	2350	$self->destroy;
1692	}	2351	}
1693		2352
1694	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1695		2354
1696	sub nuke {	2355	sub nuke {
1697	my ($self) = @_;	2356	my ($self) = @_;
1698		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1699	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1700		2362
1701	$self->unlink_save;	2363	$self->unlink_save;
1702		2364
1703	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2370
1709	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1710		2373
1711	$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	]
1712	}	2411	}
1713		2412
1714	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1715		2414
1716	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2416	instantiated unique items. May block.
1718		2417
1719	=cut	2418	=cut
1720		2419
1721	sub unique_maps() {	2420	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1723	or return;	2422	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2423	utf8::decode $_;
1729	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2426	? ()
1732	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2429	]
1734
1735	\@paths
1736	}	2430	}
1737		2431
1738	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	}
1739		2463
1740	=back	2464	=back
1741		2465
1742	=head3 cf::object	2466	=head3 cf::object
1743		2467
…		…
1747		2471
1748	=over 4	2472	=over 4
1749		2473
1750	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1751		2475
1752	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.
1753		2478
1754	=cut	2479	=cut
1755		2480
1756	sub inv_recursive_;	2481	sub inv_recursive_;
1757	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1760		2485
1761	sub inv_recursive {	2486	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1763	}	2488	}
1764		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
1765	package cf;	2518	package cf;
1766		2519
1767	=back	2520	=back
1768		2521
1769	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1778		2531
1779	=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	};
1780		2547
1781	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2549	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1786		2553
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2555
1789	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1794	}	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 (@_);
1795	}	2581	}
1796		2582
1797	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1798		2584
1799	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1812		2598
1813	=item $player_object->enter_link	2599	=item $player_object->enter_link
1814		2600
1815	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}>).
1816		2602
1817	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.
1818	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.
1819		2607
1820	Will never block.	2608	Will never block.
1821		2609
1822	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1823		2611
…		…
1843	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2632	my ($self) = @_;
1845		2633
1846	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1847		2635
		2636	++$self->{_link_recursion};
		2637
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2639
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1852		2642
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2644	}
1855		2645
1856	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1858		2650
1859	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1860		2652
1861	unless ($map) {	2653	unless ($map) {
1862	# restore original map position	2654	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1875		2667
1876	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1879		2671
1880	$map->load;	2672	$map->load;
1881	$map->load_diag;	2673	$map->load_neighbours;
1882		2674
1883	return unless $self->contr->active;	2675	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2676
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1888	}	2679	# entering was successful
1889		2680	delete $self->{_link_recursion};
1890	cf::player->attach (	2681	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2682	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2683	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2684
1904	# try to abort aborted map switching on player login :)	2685	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2686
1922	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		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
1924	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1925		2701
1926	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1927	my ($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;
1928		2713
1929	$self->enter_link;	2714	$self->enter_link;
1930		2715
1931	(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
1932	my $map = eval {	2738	my $map = eval {
1933	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2754	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1940	})->prio (1);	2762	})->prio (1);
1941	}	2763	}
1942		2764
1943	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1944		2766
…		…
1964	}	2786	}
1965		2787
1966	sub prepare_random_map {	2788	sub prepare_random_map {
1967	my ($exit) = @_;	2789	my ($exit) = @_;
1968		2790
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2793	# that depends on the exit object
1974		2794
1975	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2797	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1982	}	2804	}
1983		2805
1984	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1985		2807
1986	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1989		2811
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2814	undef $fh;
1993	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1994		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1997	}	2823	}
1998	}	2824	}
1999		2825
2000	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2002		2828
2003	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2004		2830
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2831	$self->enter_link;
2017		2832
2018	(async {	2833	(async {
2019	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2020	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
2021	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2022		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
2023	1;	2857	1
2024	}) {	2858	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "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. "
2027	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2863
2030	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2865	$self->leave_link;
2032	}	2866	}
2033	})->prio (1);	2867	})->prio (1);
2034	}	2868	}
2035		2869
…		…
2049		2883
2050	utf8::encode $text;	2884	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2886	}
2053		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
2054	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2055		3076
2056	Sends an exti event to the client.	3077	Sends an ext event to the client.
2057		3078
2058	=cut	3079	=cut
2059		3080
2060	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2062		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2065	}	3108	}
2066		3109
2067	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2068		3111
2069	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		3115
2073	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
2074	reliable at some point in the future.	3117	become reliable at some point in the future.
2075		3118
2076	=cut	3119	=cut
2077		3120
2078	sub cf::client::query {	3121	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3130	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3132
2090	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2092	}	3137	}
2093		3138
2094	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	},
2095	on_reply => sub {	3145	on_reply => sub {
2096	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2097		3147
2098	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2099	# get handled first	3149	# get handled first
…		…
2111	} else {	3161	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3163	}
2114	}	3164	}
2115	},	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	},
2116	);	3192	);
2117		3193
2118	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2119		3195
2120	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3212
2137	$coro	3213	$coro
2138	}	3214	}
2139		3215
2140	cf::client->attach (	3216	cf::client->attach (
2141	on_destroy => sub {	3217	on_client_destroy => sub {
2142	my ($ns) = @_;	3218	my ($ns) = @_;
2143		3219
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3221	},
2146	);	3222	);
…		…
2161	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2163		3239
2164	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2165		3241
2166	$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	));
2167		3247
2168	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2169		3249
2170	=pod	3250	=pod
2171		3251
2172	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2173		3253
2174	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
2175	cf::object::player player	3259	cf::object::player
2176	cf::player peaceful	3260	player
2177	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2178		3267
2179	=cut	3268	=cut
2180		3269
2181	for (	3270	for (
2182	["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)],
2183	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2186	) {	3277	) {
2187	no strict 'refs';	3278	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2207		3298
2208	my $qcode = $code;	3299	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2211		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2212	local $_;	3306	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3307
2215	my $eval =	3308	my $eval =
2216	"do {\n"	3309	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3312	. $code
2220	. "\n}"	3313	. "\n}"
2221	;	3314	;
2222		3315
		3316	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2226		3325
2227	if ($@) {	3326	if ($@) {
2228	warn "$@";	3327	warn "$@",
2229	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2231	}	3330	}
2232		3331
2233	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2234	}	3333	}
2235		3334
…		…
2249	=cut	3348	=cut
2250		3349
2251	sub register_script_function {	3350	sub register_script_function {
2252	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2253		3352
2254	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2256	}	3355	}
2257		3356
2258	=back	3357	=back
2259		3358
2260	=cut	3359	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3360
2334	#############################################################################	3361	#############################################################################
2335	# the server's init and main functions	3362	# the server's init and main functions
2336		3363
2337	sub load_facedata {	3364	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3365	my ($path) = @_;
2339		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2340	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2341		3374
2342	my $facedata;	3375	my $facedata;
2343	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2344	or die "$path: $!";	3377	or die "$path: $!";
2345		3378
2346	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2347		3380
2348	$facedata->{version} == 2	3381	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2351	{	3393	{
2352	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2353		3395
2354	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3403
		3404	cf::cede_to_tick;
2360	}	3405	}
2361		3406
2362	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2364	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2365	or next;	3411	or next;
		3412
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3416	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3418	}
2371	Coro::cede;	3419
		3420	cf::cede_to_tick;
2372	}	3421	}
2373	}	3422	}
2374		3423
2375	{	3424	{
2376	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2377		3426
2378	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3429	cf::cede_to_tick;
2381	}	3430	}
2382		3431
2383	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2384	}	3433	}
2385		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2386	1	3454	1
2387	}	3455	}
2388		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
		3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2389	sub reload_resources {	3527	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3528	trace "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3529
2392	load_facedata	3530	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3531	reload_sound;
2394	}	3532	reload_archetypes;
2395
2396	sub init {
2397	reload_resources;	3533	reload_regions;
2398	}	3534	reload_treasures;
2399		3535
2400	sub cfg_load {	3536	trace "finished reloading resource files\n";
		3537	}
		3538
		3539	sub reload_config {
		3540	trace "reloading config file...\n";
		3541
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	3543	or return;
2403		3544
2404	local $/;	3545	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2406		3547
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2408		3549
2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2410	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2411		3552
2412	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2414	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2415	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2416	};	3557	};
2417	warn $@ if $@;	3558	warn $@ if $@;
2418	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2419	}	3590	}
2420		3591
2421	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2422	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3605	(async {
2426	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2428	};	3609	};
2429		3610
2430	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2431	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2432	load_extensions;	3634	load_extensions;
2433		3635
2434	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2435	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2436	}	3649	}
2437		3650
2438	#############################################################################	3651	#############################################################################
2439	# initialisation and cleanup	3652	# initialisation and cleanup
2440		3653
2441	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2442	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2445	reentrant => 0,
2446	data => WF_AUTOCANCEL,
2447	signal => $signal,
2448	prio => 0,
2449	cb => sub {
2450	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2451	},
2452	);	3660	};
		3661	}
		3662	}
		3663
		3664	sub write_runtime_sync {
		3665	my $t0 = AE::time;
		3666
		3667	# first touch the runtime file to show we are still running:
		3668	# the fsync below can take a very very long time.
		3669
		3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3671
		3672	my $guard = cf::lock_acquire "write_runtime";
		3673
		3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3675	or return;
		3676
		3677	my $value = $cf::RUNTIME + 90 + 10;
		3678	# 10 is the runtime save interval, for a monotonic clock
		3679	# 60 allows for the watchdog to kill the server.
		3680
		3681	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3682	and return;
		3683
		3684	# always fsync - this file is important
		3685	aio_fsync $fh
		3686	and return;
		3687
		3688	# touch it again to show we are up-to-date
		3689	aio_utime $fh, undef, undef;
		3690
		3691	close $fh
		3692	or return;
		3693
		3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3695	and return;
		3696
		3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3698
2453	}	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2454	}	3750	}
2455		3751
2456	sub emergency_save() {	3752	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2458		3754
2459	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2460		3761
2461	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2462	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2463	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2464	# and maps saved/destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2466	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3773	$pl->save;
2470	}	3774	}
2471	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2472		3776
2473	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2474	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2475	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2476	$map->valid or next;	3782	$map->valid or next;
2477	$map->save;	3783	$map->save;
2478	}	3784	}
2479	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
2480		3786
2481	warn "begin emergency database checkpoint\n";	3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
2482	BDB::db_env_txn_checkpoint $DB_ENV;	3790	BDB::db_env_txn_checkpoint $DB_ENV;
2483	warn "end emergency database checkpoint\n";	3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2484	};	3815	};
2485		3816
2486	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2487	}	3818	}
2488		3819
2489	sub post_cleanup {	3820	sub post_cleanup {
2490	my ($make_core) = @_;	3821	my ($make_core) = @_;
2491		3822
		3823	IO::AIO::flush;
		3824
		3825	IO::AIO::flush;
		3826
2492	warn Carp::longmess "post_cleanup backtrace"	3827	error Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3828	if $make_core;
2494	}
2495		3829
		3830	my $fh = pidfile;
		3831	unlink $PIDFILE if <$fh> == $$;
		3832	}
		3833
		3834	# a safer delete_package, copied from Symbol
		3835	sub clear_package($) {
		3836	my $pkg = shift;
		3837
		3838	# expand to full symbol table name if needed
		3839	unless ($pkg =~ /^main::.*::$/) {
		3840	$pkg = "main$pkg" if $pkg =~ /^::/;
		3841	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3842	$pkg .= '::' unless $pkg =~ /::$/;
		3843	}
		3844
		3845	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3846	my $stem_symtab = *{$stem}{HASH};
		3847
		3848	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3849	or return;
		3850
		3851	# clear all symbols
		3852	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3853	for my $name (keys %$leaf_symtab) {
		3854	_gv_clear *{"$pkg$name"};
		3855	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3856	}
		3857	}
		3858
2496	sub reload() {	3859	sub do_reload_perl() {
2497	# can/must only be called in main	3860	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3861	if (in_main) {
2499	warn "can only reload from main coroutine";	3862	error "can only reload from main coroutine";
2500	return;	3863	return;
2501	}	3864	}
2502		3865
		3866	return if $RELOAD++;
		3867
		3868	my $t1 = AE::time;
		3869
		3870	while ($RELOAD) {
2503	warn "reloading...";	3871	info "reloading...";
2504		3872
2505	warn "entering sync_job";	3873	trace "entering sync_job";
2506		3874
2507	cf::sync_job {	3875	cf::sync_job {
2508	cf::write_runtime; # external watchdog should not bark
2509	cf::emergency_save;	3876	cf::emergency_save;
2510	cf::write_runtime; # external watchdog should not bark
2511		3877
2512	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;
2514
2515	# if anything goes wrong in here, we should simply crash as we already saved
2516
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";
2523	for (;;) {
2524	BDB::flush;
2525	IO::AIO::flush;
2526	Coro::cede;
2527	last unless IO::AIO::nreqs || BDB::nreqs;
2528	warn "iterate...";
2529	}
2530
2531	++$RELOAD;
2532
2533	warn "cancelling all extension coros";	3878	trace "cancelling all extension coros";
2534	$_->cancel for values %EXT_CORO;	3879	$_->cancel for values %EXT_CORO;
2535	%EXT_CORO = ();	3880	%EXT_CORO = ();
2536		3881
2537	warn "removing commands";	3882	trace "removing commands";
2538	%COMMAND = ();	3883	%COMMAND = ();
2539		3884
2540	warn "removing ext commands";	3885	trace "removing ext/exti commands";
2541	%EXTCMD = ();	3886	%EXTCMD = ();
		3887	%EXTICMD = ();
2542		3888
2543	warn "unloading/nuking all extensions";	3889	trace "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3890	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3891	trace "... unloading $pkg";
2546		3892
2547	if (my $cb = $pkg->can ("unload")) {	3893	if (my $cb = $pkg->can ("unload")) {
2548	eval {	3894	eval {
2549	$cb->($pkg);	3895	$cb->($pkg);
2550	1	3896	1
2551	} or warn "$pkg unloaded, but with errors: $@";	3897	} or error "$pkg unloaded, but with errors: $@";
		3898	}
		3899
		3900	trace "... clearing $pkg";
		3901	clear_package $pkg;
2552	}	3902	}
2553		3903
2554	warn "... nuking $pkg";
2555	Symbol::delete_package $pkg;
2556	}
2557
2558	warn "unloading all perl modules loaded from $LIBDIR";	3904	trace "unloading all perl modules loaded from $LIBDIR";
2559	while (my ($k, $v) = each %INC) {	3905	while (my ($k, $v) = each %INC) {
2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3906	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2561		3907
2562	warn "... unloading $k";	3908	trace "... unloading $k";
2563	delete $INC{$k};	3909	delete $INC{$k};
2564		3910
2565	$k =~ s/\.pm$//;	3911	$k =~ s/\.pm$//;
2566	$k =~ s/\//::/g;	3912	$k =~ s/\//::/g;
2567		3913
2568	if (my $cb = $k->can ("unload_module")) {	3914	if (my $cb = $k->can ("unload_module")) {
2569	$cb->();	3915	$cb->();
		3916	}
		3917
		3918	clear_package $k;
2570	}	3919	}
2571		3920
2572	Symbol::delete_package $k;
2573	}
2574
2575	warn "getting rid of safe::, as good as possible";	3921	trace "getting rid of safe::, as good as possible";
2576	Symbol::delete_package "safe::$_"	3922	clear_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3923	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3924
2579	warn "unloading cf.pm \"a bit\"";	3925	trace "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3926	delete $INC{"cf.pm"};
		3927	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2581		3928
2582	# don't, removes xs symbols, too,	3929	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3930	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3931	#clear_package __PACKAGE__;
2585		3932
2586	warn "unload completed, starting to reload now";	3933	info "unload completed, starting to reload now";
2587		3934
2588	warn "reloading cf.pm";	3935	trace "reloading cf.pm";
2589	require cf;	3936	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3937	cf::_connect_to_perl_1;
2591		3938
2592	warn "loading config and database again";	3939	trace "loading config and database again";
2593	cf::cfg_load;	3940	cf::reload_config;
2594		3941
2595	warn "loading extensions";	3942	trace "loading extensions";
2596	cf::load_extensions;	3943	cf::load_extensions;
2597		3944
		3945	if ($REATTACH_ON_RELOAD) {
2598	warn "reattaching attachments to objects/players";	3946	trace "reattaching attachments to objects/players";
2599	_global_reattach; # objects, sockets	3947	_global_reattach; # objects, sockets
2600	warn "reattaching attachments to maps";	3948	trace "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3949	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3950	trace "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3951	reattach $_ for values %PLAYER;
		3952	}
2604		3953
2605	warn "loading reloadable resources";	3954	trace "running post_init jobs";
2606	reload_resources;	3955	(pop @POST_INIT)->(1) while @POST_INIT;
2607		3956
2608	warn "leaving sync_job";	3957	trace "leaving sync_job";
2609		3958
2610	1	3959	1
2611	} or do {	3960	} or do {
2612	warn $@;	3961	error $@;
2613	warn "error while reloading, exiting.";	3962	cf::cleanup "error while reloading, exiting.";
2614	exit 1;	3963	};
		3964
		3965	info "reloaded";
		3966	--$RELOAD;
		3967	}
		3968
		3969	$t1 = AE::time - $t1;
		3970	info "reload completed in ${t1}s\n";
		3971	};
		3972
		3973	our $RELOAD_WATCHER; # used only during reload
		3974
		3975	sub reload_perl() {
		3976	# doing reload synchronously and two reloads happen back-to-back,
		3977	# coro crashes during coro_state_free->destroy here.
		3978
		3979	$RELOAD_WATCHER ||= cf::async {
		3980	Coro::AIO::aio_wait cache_extensions;
		3981
		3982	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3983	do_reload_perl;
		3984	undef $RELOAD_WATCHER;
		3985	};
2615	};	3986	};
2616		3987	}
2617	warn "reloaded";
2618	};
2619
2620	our $RELOAD_WATCHER; # used only during reload
2621		3988
2622	register_command "reload" => sub {	3989	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3990	my ($who, $arg) = @_;
2624		3991
2625	if ($who->flag (FLAG_WIZ)) {	3992	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3993	$who->message ("reloading server.");
2627		3994	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	3995	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	3996	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	3997	};
2640	}	3998	}
2641	};	3999	};
2642		4000
2643	unshift @INC, $LIBDIR;	4001	unshift @INC, $LIBDIR;
2644		4002
…		…
2646		4004
2647	our @WAIT_FOR_TICK;	4005	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	4006	our @WAIT_FOR_TICK_BEGIN;
2649		4007
2650	sub wait_for_tick {	4008	sub wait_for_tick {
		4009	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4010
2651	my $signal = new Coro::Signal;	4011	my $signal = new Coro::Signal;
2652	push @WAIT_FOR_TICK, $signal;	4012	push @WAIT_FOR_TICK, $signal;
2653	$signal->wait;	4013	$signal->wait;
2654	}	4014	}
2655		4015
2656	sub wait_for_tick_begin {	4016	sub wait_for_tick_begin {
		4017	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4018
2657	my $signal = new Coro::Signal;	4019	my $signal = new Coro::Signal;
2658	push @WAIT_FOR_TICK_BEGIN, $signal;	4020	push @WAIT_FOR_TICK_BEGIN, $signal;
2659	$signal->wait;	4021	$signal->wait;
2660	}	4022	}
2661		4023
2662	$TICK_WATCHER = Event->timer (	4024	sub tick {
2663	reentrant => 0,
2664	parked => 1,
2665	prio => 0,
2666	at => $NEXT_TICK || $TICK,
2667	data => WF_AUTOCANCEL,
2668	cb => sub {
2669	if ($Coro::current != $Coro::main) {	4025	if ($Coro::current != $Coro::main) {
2670	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4026	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671	unless ++$bug_warning > 10;	4027	unless ++$bug_warning > 10;
2672	return;	4028	return;
2673	}	4029	}
2674		4030
2675	$NOW = Event::time;
2676
2677	cf::server_tick; # one server iteration	4031	cf::server_tick; # one server iteration
2678	$RUNTIME += $TICK;
2679	$NEXT_TICK += $TICK;
2680		4032
		4033	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4034
2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4035	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682	$NEXT_RUNTIME_WRITE = $NOW + 10;	4036	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2683	Coro::async_pool {	4037	Coro::async_pool {
		4038	$Coro::current->{desc} = "runtime saver";
2684	write_runtime	4039	write_runtime_sync
2685	or warn "ERROR: unable to write runtime file: $!";	4040	or error "ERROR: unable to write runtime file: $!";
2686	};
2687	}	4041	};
		4042	}
2688		4043
2689	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4044	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2690	$sig->send;	4045	$sig->send;
2691	}	4046	}
2692	while (my $sig = shift @WAIT_FOR_TICK) {	4047	while (my $sig = shift @WAIT_FOR_TICK) {
2693	$sig->send;	4048	$sig->send;
2694	}
2695
2696	# my $AFTER = Event::time;
2697	# warn $AFTER - $NOW;#d#
2698
2699	# if we are delayed by four ticks or more, skip them all
2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2701
2702	$TICK_WATCHER->at ($NEXT_TICK);
2703	$TICK_WATCHER->start;
2704	},	4049	}
2705	);	4050
		4051	$LOAD = ($NOW - $TICK_START) / $TICK;
		4052	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4053
		4054	if (0) {
		4055	if ($NEXT_TICK) {
		4056	my $jitter = $TICK_START - $NEXT_TICK;
		4057	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4058	debug "jitter $JITTER\n";#d#
		4059	}
		4060	}
		4061	}
2706		4062
2707	{	4063	{
2708	BDB::max_poll_time $TICK * 0.1;	4064	# configure BDB
2709	$BDB_POLL_WATCHER = Event->io (	4065
2710	reentrant => 0,
2711	fd => BDB::poll_fileno,
2712	poll => 'r',
2713	prio => 0,
2714	data => WF_AUTOCANCEL,
2715	cb => \&BDB::poll_cb,
2716	);
2717	BDB::min_parallel 8;	4066	BDB::min_parallel 16;
2718		4067	BDB::max_poll_reqs $TICK * 0.1;
2719	BDB::set_sync_prepare {	4068	$AnyEvent::BDB::WATCHER->priority (1);
2720	my $status;
2721	my $current = $Coro::current;
2722	(
2723	sub {
2724	$status = $!;
2725	$current->ready; undef $current;
2726	},
2727	sub {
2728	Coro::schedule while defined $current;
2729	$! = $status;
2730	},
2731	)
2732	};
2733		4069
2734	unless ($DB_ENV) {	4070	unless ($DB_ENV) {
2735	$DB_ENV = BDB::db_env_create;	4071	$DB_ENV = BDB::db_env_create;
		4072	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4073	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4074	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4075	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4076	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2736		4077
2737	cf::sync_job {	4078	cf::sync_job {
2738	eval {	4079	eval {
2739	BDB::db_env_open	4080	BDB::db_env_open
2740	$DB_ENV,	4081	$DB_ENV,
2741	$BDB_ENV_DIR,	4082	$BDBDIR,
2742	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4083	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4084	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744	0666;	4085	0666;
2745		4086
2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4087	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2747
2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749	$DB_ENV->set_lk_detect;
2750	};	4088	};
2751		4089
2752	cf::cleanup "db_env_open(db): $@" if $@;	4090	cf::cleanup "db_env_open(db): $@" if $@;
2753	};	4091	};
2754	}	4092	}
		4093
		4094	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4095	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4096	};
		4097	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4098	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4099	};
		4100	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4101	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4102	};
2755	}	4103	}
2756		4104
2757	{	4105	{
		4106	# configure IO::AIO
		4107
2758	IO::AIO::min_parallel 8;	4108	IO::AIO::min_parallel 8;
2759
2760	undef $Coro::AIO::WATCHER;
2761	IO::AIO::max_poll_time $TICK * 0.1;	4109	IO::AIO::max_poll_time $TICK * 0.1;
2762	$AIO_POLL_WATCHER = Event->io (	4110	undef $AnyEvent::AIO::WATCHER;
2763	reentrant => 0,
2764	data => WF_AUTOCANCEL,
2765	fd => IO::AIO::poll_fileno,
2766	poll => 'r',
2767	prio => 6,
2768	cb => \&IO::AIO::poll_cb,
2769	);
2770	}	4111	}
		4112
		4113	my $_log_backtrace;
		4114
		4115	sub _log_backtrace {
		4116	my ($msg, @addr) = @_;
		4117
		4118	$msg =~ s/\n//;
		4119
		4120	# limit the # of concurrent backtraces
		4121	if ($_log_backtrace < 2) {
		4122	++$_log_backtrace;
		4123	my $perl_bt = Carp::longmess $msg;
		4124	async {
		4125	$Coro::current->{desc} = "abt $msg";
		4126
		4127	my @bt = fork_call {
		4128	@addr = map { sprintf "%x", $_ } @addr;
		4129	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4130	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4131	or die "addr2line: $!";
		4132
		4133	my @funcs;
		4134	my @res = <$fh>;
		4135	chomp for @res;
		4136	while (@res) {
		4137	my ($func, $line) = splice @res, 0, 2, ();
		4138	push @funcs, "[$func] $line";
		4139	}
		4140
		4141	@funcs
		4142	};
		4143
		4144	LOG llevInfo, "[ABT] $perl_bt\n";
		4145	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4146	LOG llevInfo, "[ABT] $_\n" for @bt;
		4147	--$_log_backtrace;
		4148	};
		4149	} else {
		4150	LOG llevInfo, "[ABT] $msg\n";
		4151	LOG llevInfo, "[ABT] [suppressed]\n";
		4152	}
		4153	}
		4154
		4155	# load additional modules
		4156	require "cf/$_.pm" for @EXTRA_MODULES;
		4157	cf::_connect_to_perl_2;
2771		4158
2772	END { cf::emergency_save }	4159	END { cf::emergency_save }
2773		4160
2774	1	4161	1
2775		4162

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