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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC vs.
Revision 1.534 by root, Thu Apr 29 08:13:51 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;
		52	use Coro::Storable;
		53	use Coro::Util ();
21		54
		55	use JSON::XS 2.01 ();
22	use BDB ();	56	use BDB ();
23	use Data::Dumper;	57	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	58	use Fcntl;
26	use IO::AIO 2.32 ();
27	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
28	use Time::HiRes;	61	use Time::HiRes;
29	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
30		64
		65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
31	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";
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is	77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
34		80
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		82
42	our %COMMAND = ();	83	our %COMMAND = ();
43	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
44		85
45	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
49		91
50	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	93	our @EVENT;
52	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
53		96
54	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	98	our $DATADIR = datadir;
56	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(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	121	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
61		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
64		130
65	our %CFG;	131	our %CFG;
66		132
67	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
69		136
70	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		140
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $REALLY_UNLOOP; # never set to true, please :)
		153
82	binmode STDOUT;	154	binmode STDOUT;
83	binmode STDERR;	155	binmode STDERR;
84		156
85	# read virtual server time, if available	157	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
90	}	162	}
91		163
92	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
93	mkdir cf::localdir . "/" . cf::playerdir;	165
94	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
95	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		168
99	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
100		170
101	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::"} };
102		187
103	#############################################################################	188	#############################################################################
104		189
105	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
106		191
…		…
113	=item $cf::RUNTIME	198	=item $cf::RUNTIME
114		199
115	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
116	every server tick.	201	every server tick.
117		202
118	=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
119		206
120	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		211
123	=item $cf::NOW	212	=item $cf::NOW
124		213
125	The time of the last (current) server tick.	214	The time of the last (current) server tick.
126		215
127	=item $cf::TICK	216	=item $cf::TICK
128		217
129	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	230	=item %cf::CFG
132		231
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	233	from wherever your confdir points to.
135		234
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		236
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
140	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
142		252
143	=back	253	=back
144		254
145	=cut	255	=cut
146		256
147	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
148	*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 {
149	my $msg = join "", @_;	264	my $msg = join "", @_;
150	utf8::encode $msg;
151		265
152	$msg .= "\n"	266	$msg .= "\n"
153	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
154		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
155	LOG llevError, $msg;	271	LOG llevWarn, $msg;
156	};	272	};
157	}	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	};
158		287
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		295
166	# 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
167	# within the Safe compartment.	297	# within the Safe compartment.
168	for my $pkg (qw(	298	for my $pkg (qw(
169	cf::global cf::attachable	299	cf::global cf::attachable
170	cf::object cf::object::player	300	cf::object cf::object::player
171	cf::client cf::player	301	cf::client cf::player
172	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
173	cf::map cf::party cf::region	304	cf::party cf::region
174	)) {	305	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	307	}
178		308
179	$Event::DIED = sub {	309	$EV::DIED = sub {
180	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
181	};	311	};
		312
		313	#############################################################################
182		314
183	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
184		316
185	=over 4	317	=over 4
186		318
…		…
205	$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;
206	$d	338	$d
207	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
208	}	340	}
209		341
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
213		343
214	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
215		345
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
224		347
225	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
226		349
227	=cut	350	=cut
228		351
229	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
231	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
232	}	369	}
233		370
234	=item cf::lock_wait $string	371	=item cf::lock_wait $string
235		372
236	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
237		374
238	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
239		376
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
243	returned.	380	returned.
244		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
245	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
246	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
247		387
248	=cut	388	=item $locked = cf::lock_active $string
249		389
250	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
251		395
252	sub lock_wait($) {	396	sub lock_wait($) {
253	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	398	}
261		399
262	sub lock_acquire($) {	400	sub lock_acquire($) {
263	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
264		403
265	# wait, to be sure we are not locked	404	sub lock_active($) {
266	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
267
268	$LOCK{$key} = [];
269
270	Coro::guard {
271	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };
273	}
274	}	406	}
275		407
276	sub freeze_mainloop {	408	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
278		410
279	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
280	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
281	};	478	}
282	$TICK_WATCHER->stop;	479	};
283	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
284	}	494	}
285		495
286	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
287		497
288	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		503
294	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
295		505
296	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
297		507
298	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
301		512
302	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
305	fast or be very important.	516	fast or be very important.
…		…
307	=cut	518	=cut
308		519
309	sub sync_job(&) {	520	sub sync_job(&) {
310	my ($job) = @_;	521	my ($job) = @_;
311		522
312	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
313	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
315		528
316	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	530
318	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
319		532
320	my $busy = 1;	533	my $busy = 1;
321	my @res;	534	my @res;
322		535
323	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	538	@res = eval { $job->() };
325	warn $@ if $@;	539	error $@ if $@;
326	undef $busy;	540	undef $busy;
327	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
328		542
329	while ($busy) {	543	while ($busy) {
330	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
331	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
332		554
333	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
334	} else {	556	} else {
335	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
336		558
…		…
356	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
357		579
358	$coro	580	$coro
359	}	581	}
360		582
361	sub write_runtime {	583	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		584
364	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.
365		589
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
367	or return;
368		591
369	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		594
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
374	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
375		598
376	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	600	reset_signals;
378	and return;	601	&$cb
		602	}, @args;
379		603
380	close $fh	604	wantarray ? @res : $res[-1]
381	or return;	605	}
382		606
383	aio_rename "$runtime~", $runtime	607	sub objinfo {
384	and return;
385
386	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	783	}
388		784
389	=back	785	=back
390		786
391	=cut	787	=cut
392		788
393	#############################################################################	789	#############################################################################
394		790
395	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
396		792
397	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
398	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")
399	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
400		796
401	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>
402	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
403	crossfire+).	799	Deliantra).
404		800
405	=over 4	801	=over 4
406		802
407	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
408		804
…		…
452	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
453		849
454	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
456		852
457	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		855
460	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
461		857
462	=over 4	858	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
572		968
573	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		973
578	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	975	my $pkg = shift @arg;
580		976
581	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
586		982
587	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		985
590	} elsif (ref $type) {	986	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
592		988
593	} else {	989	} else {
594	shift @arg;	990	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
596	}	992	}
597	}	993	}
598	}	994	}
599		995
600	sub _object_attach {	996	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
611	}	1007	}
612		1008
613	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
614	} else {	1010	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1012	}
617		1013
618	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
619	}	1015	}
620		1016
…		…
622	if (ref $_[0]) {	1018	if (ref $_[0]) {
623	_object_attach @_;	1019	_object_attach @_;
624	} else {	1020	} else {
625	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
626	}	1022	}
		1023	_recalc_want;
627	};	1024	};
628		1025
629	# all those should be optimised	1026	# all those should be optimised
630	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1032	reattach ($obj);
636	} else {	1033	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
638	}	1035	}
		1036	_recalc_want;
639	};	1037	};
640		1038
641	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
643		1041
…		…
658	";	1056	";
659	die if $@;	1057	die if $@;
660	}	1058	}
661		1059
662	our $override;	1060	our $override;
663	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?
664		1062
665	sub override {	1063	sub override {
666	$override = 1;	1064	$override = 1;
667	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
668	}	1066	}
669		1067
670	sub do_invoke {	1068	sub do_invoke {
671	my $event = shift;	1069	my $event = shift;
672	my $callbacks = shift;	1070	my $callbacks = shift;
673		1071
674	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
675		1073
676	local $override;	1074	local $override;
677		1075
678	for (@$callbacks) {	1076	for (@$callbacks) {
679	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
680		1078
681	if ($@) {	1079	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1081	override;
685	}	1082	}
686		1083
687	return 1 if $override;	1084	return 1 if $override;
688	}	1085	}
689		1086
690	0	1087	0
691	}	1088	}
692		1089
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1091
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1093
697	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
698		1095
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1099
703	=back	1100	=back
704		1101
705	=cut	1102	=cut
706		1103
707	#############################################################################	1104	#############################################################################
708	# 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, $ob2
		1147	}
709		1148
710	sub reattach {	1149	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1151	my ($obj) = @_;
713		1152
		1153	# no longer needed after getting rid of delete_package?
714	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
715		1155
716	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
717		1157
718	@$registry = ();	1158	@$registry = ();
719		1159
…		…
724	for (@$attach) {	1164	for (@$attach) {
725	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
727	}	1167	}
728	} else {	1168	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1170	}
731	}	1171	}
732	}	1172	}
733		1173
734	cf::attachable->attach (	1174	cf::attachable->attach (
735	prio => -1000000,	1175	prio => -1000000,
736	on_instantiate => sub {	1176	on_instantiate => sub {
737	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
738		1178
739	$data = from_json $data;	1179	$data = decode_json $data;
740		1180
741	for (@$data) {	1181	for (@$data) {
742	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
743		1183
744	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1200	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
762		1202
763	sync_job {	1203	sync_job {
764	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
767		1209
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1217	aio_close $fh;
773		1218
774	if (@$objs) {	1219	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1228	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
782	}	1230	}
783	} else {	1231	} else {
784	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
785	}	1233	}
786		1234
787	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1239	} else {
789	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
790	}	1241	}
791	} else {	1242	} else {
792	aio_unlink $filename;	1243	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
794	}	1245	}
795	}	1246	};
796	}	1247	}
797		1248
798	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
800		1251
…		…
812	or return;	1263	or return;
813		1264
814	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
816	or return;	1267	or return;
		1268
817	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
818	}	1271	}
819		1272
		1273	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
822	return ($data, $av);	1278	($data, $av)
823	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
824		1286
825	#############################################################################	1287	#############################################################################
826	# command handling &c	1288	# command handling &c
827		1289
828	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1304	}
843		1305
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1307
846	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.
847		1313
848	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
849	called.	1315	called.
850		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
851	=cut	1328	=cut
852		1329
853	sub register_extcmd {	1330	sub register_extcmd {
854	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
855		1332
856	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
857	}	1334	}
858		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
859	cf::player->attach (	1344	cf::player->attach (
860	on_command => sub {	1345	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
862		1347
863	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
864	or return;	1349	or return;
865		1350
…		…
870	cf::override;	1355	cf::override;
871	},	1356	},
872	on_extcmd => sub {	1357	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
874		1359
875	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1361
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
883	} else {	1377	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1379	}
886		1380
887	cf::override;	1381	cf::override;
888	},	1382	},
889	);	1383	);
890		1384
		1385	# "readahead" all extensions
891	sub load_extension {	1386	sub cache_extensions {
892	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
893		1388
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1392	}
919	die $@;
920	}	1393	};
921		1394
922	push @EXTS, $pkg;	1395	$grp
923	}	1396	}
924		1397
925	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
926	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1405	next unless -r $path;
928	eval {	1406
929	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 $active;
		1469	}
930	1	1470	}
931	} or warn "$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	}
932	}	1481	};
933	}	1482	}
934		1483
935	#############################################################################	1484	#############################################################################
936		1485
		1486	=back
		1487
937	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
938		1489
939	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
940		1491
941	=cut	1492	=cut
942		1493
943	package cf::player;	1494	package cf::player;
944		1495
…		…
946		1497
947	=head3 cf::player	1498	=head3 cf::player
948		1499
949	=over 4	1500	=over 4
950		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
951	=item cf::player::find $login	1516	=item cf::player::find $login
952		1517
953	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
954		1519
955	=cut	1520	=cut
956		1521
957	sub playerdir($) {	1522	sub playerdir($) {
958	cf::localdir	1523	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1525	}
964		1526
965	sub path($) {	1527	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1529
968	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
969	}	1531	}
970		1532
971	sub find_active($) {	1533	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
976		1538
977	sub exists($) {	1539	sub exists($) {
978	my ($login) = @_;	1540	my ($login) = @_;
979		1541
980	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
982	}	1544	}
983		1545
984	sub find($) {	1546	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1548	my $login = $_[0];
987		1549
988	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
989		1551
990	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
992	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;
993	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
994	}	1569	}
995	}	1570	}
996	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($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	);
997		1585
998	sub save($) {	1586	sub save($) {
999	my ($pl) = @_;	1587	my ($pl) = @_;
1000		1588
1001	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1007		1595
1008	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1010		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
1011	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1012	Coro::cede;	1605	cf::cede_to_tick;
1013	}	1606	}
1014		1607
1015	sub new($) {	1608	sub new($) {
1016	my ($login) = @_;	1609	my ($login) = @_;
1017		1610
…		…
1023	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1024		1617
1025	$self	1618	$self
1026	}	1619	}
1027		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
1028	=item $pl->quit_character	1631	=item $pl->quit_character
1029		1632
1030	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1032		1635
…		…
1036	my ($pl) = @_;	1639	my ($pl) = @_;
1037		1640
1038	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1039		1642
1040	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1041	$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
1042		1645
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1047		1651
1048	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1080		1684
1081	=cut	1685	=cut
1082		1686
1083	sub list_logins {	1687	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1689	or return [];
1086		1690
1087	my @logins;	1691	my @logins;
1088		1692
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1093		1703
1094	utf8::decode $login;	1704	utf8::decode $login;
1095	push @logins, $login;	1705	push @logins, $login;
1096	}	1706	}
1097		1707
1098	\@logins	1708	\@logins
1099	}	1709	}
1100		1710
1101	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1102		1714
1103	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1104	player. May block.	1716	player. May block.
1105		1717
1106	=cut	1718	=cut
…		…
1124	}	1736	}
1125		1737
1126	\@paths	1738	\@paths
1127	}	1739	}
1128		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1130		1746
1131	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1132		1748
1133	=cut	1749	=cut
1134		1750
1135	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1137		1753
1138	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1755	}
1142		1756
1143	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1144		1799
1145	=back	1800	=back
1146
1147		1801
1148	=head3 cf::map	1802	=head3 cf::map
1149		1803
1150	=over 4	1804	=over 4
1151		1805
…		…
1163	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1165		1819
1166	sub generate_random_map {	1820	sub generate_random_map {
1167	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
1168	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1826	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1198		1855
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	1857	}
1201		1858
1202	# also paths starting with '/'	1859	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		1861
1205	sub thawer_merge {	1862	sub thawer_merge {
1206	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1207		1864
1208	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1209	local $self->{path};	1866	local $self->{path};
1210	local $self->{load_path};	1867	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1868
1214	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1215	}	1870	}
1216		1871
1217	sub normalise {	1872	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1265	return $self;	1920	return $self;
1266	}	1921	}
1267	}	1922	}
1268		1923
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1925	()
1271	}	1926	}
1272		1927
1273	sub init {	1928	sub init {
1274	my ($self) = @_;	1929	my ($self) = @_;
…		…
1289		1944
1290	# the original (read-only) location	1945	# the original (read-only) location
1291	sub load_path {	1946	sub load_path {
1292	my ($self) = @_;	1947	my ($self) = @_;
1293		1948
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1295	}	1950	}
1296		1951
1297	# the temporary/swap location	1952	# the temporary/swap location
1298	sub save_path {	1953	sub save_path {
1299	my ($self) = @_;	1954	my ($self) = @_;
1300		1955
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1303	}	1958	}
1304		1959
1305	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1306	sub uniq_path {	1961	sub uniq_path {
1307	my ($self) = @_;	1962	my ($self) = @_;
1308		1963
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1311	}	1966	}
1312		1967
1313	# and all this just because we cannot iterate over	1968	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	1969	my ($self) = @_;
1317		1970
1318	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1320	}	1974	}
1321		1975
1322	sub unlink_save {	1976	sub unlink_save {
1323	my ($self) = @_;	1977	my ($self) = @_;
1324		1978
…		…
1329		1983
1330	sub load_header_from($) {	1984	sub load_header_from($) {
1331	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1332		1986
1333	utf8::encode $path;	1987	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	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;
1339		1996
1340	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1341		1998
1342	1	1999	1
1343	}	2000	}
…		…
1382	$self->load_header_orig	2039	$self->load_header_orig
1383	or return;	2040	or return;
1384	$self->prepare_orig;	2041	$self->prepare_orig;
1385	}	2042	}
1386		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
1387	1	2050	1
1388	}	2051	}
1389		2052
1390	sub find;	2053	sub find;
1391	sub find {	2054	sub find {
1392	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1393		2056
1394	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1395		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2061
1398	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1401	or return;	2064	or return;
1402		2065
1403	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1404		2067
1405	$map->load_header	2068	$map->load_header
1406	or return;	2069	or return;
1407		2070
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1411	$map->reset;	2076	$map->reset;
1412	undef $guard;
1413	return find $path;	2077	return find $path;
1414	}	2078	}
1415		2079
1416	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1417	}	2081	}
1418	}	2082	}
1419		2083
1420	sub pre_load { }	2084	sub pre_load { }
1421	sub post_load { }	2085	#sub post_load { } # XS
1422		2086
1423	sub load {	2087	sub load {
1424	my ($self) = @_;	2088	my ($self) = @_;
1425		2089
1426	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1427		2091
1428	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1430		2096
		2097	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2099
1433	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1434		2101
1435	$self->alloc;	2102	$self->alloc;
1436		2103
1437	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1438		2106
1439	$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)
1440	or return;	2110	or return;
1441		2111
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1443	if delete $self->{load_original};	2113	if delete $self->{load_original};
1444		2114
1445	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2116	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2119	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1450	}	2123	}
1451	}	2124	}
1452		2125
1453	Coro::cede;	2126	$f->resolve_delayed_derefs;
1454		2127
		2128	cf::cede_to_tick;
1455	# now do the right thing for maps	2129	# now do the right thing for maps
1456	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2132	unless $self->difficulty;
1466	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;
1467	$self->activate;	2140	$self->activate;
		2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2147	}
1469		2148
1470	$self->post_load;	2149	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2150	}
1474		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
1475	sub customise_for {	2155	sub customise_for {
1476	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1477		2157
1478	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2159	if $self->per_player;
1480		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1481	$self	2164	$self
1482	}	2165	}
1483		2166
1484	# 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
1485	sub load_diag {	2168	sub load_neighbours {
1486	my ($map) = @_;	2169	my ($map) = @_;
1487		2170
1488	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1489		2172
1490	for (0 .. 3) {	2173	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1492	or next;	2175	or next;
1493	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1494	or next;	2177	or next;
1495	$neigh->load;	2178	$neigh->load;
1496		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2184	}
1500		2185
1501	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1503	or next;	2189	or next;
1504	$neigh->load;	2190	$neigh->load;
1505	}	2191	}
1506	}	2192	}
1507		2193
1508	sub find_sync {	2194	sub find_sync {
1509	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1510		2196
1511	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
1512	}	2201	}
1513		2202
1514	sub do_load_sync {	2203	sub do_load_sync {
1515	my ($map) = @_;	2204	my ($map) = @_;
1516		2205
1517	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;
1518	}	2210	}
1519		2211
1520	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1522		2214
1523	sub find_async {	2215	sub find_async {
1524	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1525		2217
1526	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1527		2219
1528	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2222	}
1531		2223
1532	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1533	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1534	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2231	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2232	$map->load if $v;
		2233	}
1539		2234
1540	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1541	}	2236	}
1542	}	2237	}
1543	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1544	};	2239	};
1545	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1546		2241
1547	()	2242	()
1548	}	2243	}
1549		2244
		2245	# common code, used by both ->save and ->swapout
1550	sub save {	2246	sub _save {
1551	my ($self) = @_;	2247	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2248
1555	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1556		2250
1557	return unless $self->dirty;	2251	return unless $self->dirty;
1558		2252
…		…
1564	return if $self->{deny_save};	2258	return if $self->{deny_save};
1565		2259
1566	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1567		2261
1568	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1570	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1571		2268
1572	if ($uniq) {	2269	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2272	} else {
1576	$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);
1577	}	2274	}
1578	}	2275	}
1579		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1580	sub swap_out {	2285	sub swap_out {
1581	my ($self) = @_;	2286	my ($self) = @_;
1582		2287
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1588	return if $self->players;	2292	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		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
1592	$self->clear;	2303	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2304	}
1595		2305
1596	sub reset_at {	2306	sub reset_at {
1597	my ($self) = @_;	2307	my ($self) = @_;
1598		2308
1599	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1602		2311
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	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;
1605		2314
…		…
1616	my ($self) = @_;	2325	my ($self) = @_;
1617		2326
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2328
1620	return if $self->players;	2329	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2330
1623	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1624		2332
1625	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1626		2334
1627	# need to save uniques path	2335	# need to save uniques path
1628	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2340	if $uniq;
1633	}	2341	}
1634		2342
1635	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1636		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2347	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2348
1641	$self->unlink_save;	2349	$self->unlink_save;
1642	$self->destroy;	2350	$self->destroy;
1643	}	2351	}
1644		2352
1645	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1646		2354
1647	sub nuke {	2355	sub nuke {
1648	my ($self) = @_;	2356	my ($self) = @_;
1649		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1650	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1651		2362
1652	$self->unlink_save;	2363	$self->unlink_save;
1653		2364
1654	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2370
1660	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1661		2373
1662	$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	]
1663	}	2411	}
1664		2412
1665	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1666		2414
1667	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2416	instantiated unique items. May block.
1669		2417
1670	=cut	2418	=cut
1671		2419
1672	sub unique_maps() {	2420	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1674	or return;	2422	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2423	utf8::decode $_;
1680	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2426	? ()
1683	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2429	]
1685
1686	\@paths
1687	}	2430	}
1688		2431
1689	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	}
1690		2463
1691	=back	2464	=back
1692		2465
1693	=head3 cf::object	2466	=head3 cf::object
1694		2467
…		…
1698		2471
1699	=over 4	2472	=over 4
1700		2473
1701	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1702		2475
1703	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.
1704		2478
1705	=cut	2479	=cut
1706		2480
1707	sub inv_recursive_;	2481	sub inv_recursive_;
1708	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1711		2485
1712	sub inv_recursive {	2486	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1714	}	2488	}
1715		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
1716	package cf;	2518	package cf;
1717		2519
1718	=back	2520	=back
1719		2521
1720	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1726	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>
1727	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
1728	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1729		2531
1730	=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	};
1731		2547
1732	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2549	# with dialog boxes.
1734	#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
1735	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1737		2553
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2555
1740	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1745	}	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 (@_);
1746	}	2581	}
1747		2582
1748	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1749		2584
1750	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1763		2598
1764	=item $player_object->enter_link	2599	=item $player_object->enter_link
1765		2600
1766	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}>).
1767		2602
1768	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.
1769	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.
1770		2607
1771	Will never block.	2608	Will never block.
1772		2609
1773	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1774		2611
…		…
1794	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2632	my ($self) = @_;
1796		2633
1797	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1798		2635
		2636	++$self->{_link_recursion};
		2637
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2639
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1803		2642
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2644	}
1806		2645
1807	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1809		2650
1810	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1811		2652
1812	unless ($map) {	2653	unless ($map) {
1813	# restore original map position	2654	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1826		2667
1827	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1830		2671
1831	$map->load;	2672	$map->load;
1832	$map->load_diag;	2673	$map->load_neighbours;
1833		2674
1834	return unless $self->contr->active;	2675	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2676
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1839	}	2679	# entering was successful
1840		2680	delete $self->{_link_recursion};
1841	cf::player->attach (	2681	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2682	$self->activate_recursive;
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},	2683	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2684
1855	# try to abort aborted map switching on player login :)	2685	}
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2686
1873	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		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
1875	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1876		2701
1877	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1878	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;
1879		2713
1880	$self->enter_link;	2714	$self->enter_link;
1881		2715
1882	(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
1883	my $map = eval {	2738	my $map = eval {
1884	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	2754	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1891	})->prio (1);	2762	})->prio (1);
1892	}	2763	}
1893		2764
1894	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1895		2766
…		…
1915	}	2786	}
1916		2787
1917	sub prepare_random_map {	2788	sub prepare_random_map {
1918	my ($exit) = @_;	2789	my ($exit) = @_;
1919		2790
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2793	# that depends on the exit object
1925		2794
1926	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2797	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1933	}	2804	}
1934		2805
1935	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1936		2807
1937	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1940		2811
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2814	undef $fh;
1944	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1945		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1948	}	2823	}
1949	}	2824	}
1950		2825
1951	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
1953		2828
1954	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1955		2830
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2831	$self->enter_link;
1966		2832
1967	(async {	2833	(async {
1968	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1969	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
1970	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
1971		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
1972	1;	2857	1
1973	}) {	2858	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "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. "
1976	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2863
1979	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	2865	$self->leave_link;
1981	}	2866	}
1982	})->prio (1);	2867	})->prio (1);
1983	}	2868	}
1984		2869
…		…
1995		2880
1996	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1998		2883
1999	utf8::encode $text;	2884	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2886	}
2002		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
2003		3109
2004	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2005		3111
2006	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2007	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>,
2008	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>.
2009		3115
2010	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
2011	reliable at some point in the future.	3117	become reliable at some point in the future.
2012		3118
2013	=cut	3119	=cut
2014		3120
2015	sub cf::client::query {	3121	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3130	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3132
2027	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2029	}	3137	}
2030		3138
2031	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	},
2032	on_reply => sub {	3145	on_reply => sub {
2033	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2034		3147
2035	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2036	# get handled first	3149	# get handled first
…		…
2048	} else {	3161	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3163	}
2051	}	3164	}
2052	},	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	},
2053	);	3192	);
2054		3193
2055	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2056		3195
2057	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3212
2074	$coro	3213	$coro
2075	}	3214	}
2076		3215
2077	cf::client->attach (	3216	cf::client->attach (
2078	on_destroy => sub {	3217	on_client_destroy => sub {
2079	my ($ns) = @_;	3218	my ($ns) = @_;
2080		3219
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3221	},
2083	);	3222	);
…		…
2098	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2100		3239
2101	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2102		3241
2103	$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	));
2104		3247
2105	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2106		3249
2107	=pod	3250	=pod
2108		3251
2109	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2110		3253
2111	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
2112	cf::object::player player	3259	cf::object::player
2113	cf::player peaceful	3260	player
2114	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2115		3267
2116	=cut	3268	=cut
2117		3269
2118	for (	3270	for (
2119	["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)],
2120	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2123	) {	3277	) {
2124	no strict 'refs';	3278	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2144		3298
2145	my $qcode = $code;	3299	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2148		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2149	local $_;	3306	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3307
2152	my $eval =	3308	my $eval =
2153	"do {\n"	3309	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3312	. $code
2157	. "\n}"	3313	. "\n}"
2158	;	3314	;
2159		3315
		3316	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	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	}
2163		3325
2164	if ($@) {	3326	if ($@) {
2165	warn "$@";	3327	warn "$@",
2166	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2168	}	3330	}
2169		3331
2170	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2171	}	3333	}
2172		3334
…		…
2186	=cut	3348	=cut
2187		3349
2188	sub register_script_function {	3350	sub register_script_function {
2189	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2190		3352
2191	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2193	}	3355	}
2194		3356
2195	=back	3357	=back
2196		3358
2197	=cut	3359	=cut
2198
2199	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270		3360
2271	#############################################################################	3361	#############################################################################
2272	# the server's init and main functions	3362	# the server's init and main functions
2273		3363
2274	sub load_faces {	3364	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3365	my ($path) = @_;
2276		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
2277	warn "loading faces from $path\n";	3373	trace "loading facedata from $path\n";
2278		3374
2279	my $faces;	3375	my $facedata;
2280	0 < aio_load $path, $faces	3376	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3377	or die "$path: $!";
2282		3378
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3379	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3380
		3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
		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
		3393	{
		3394	my $faces = $facedata->{faceinfo};
		3395
2287	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3398
		3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2291	Coro::cede;	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3403
		3404	cf::cede_to_tick;
		3405	}
		3406
		3407	while (my ($face, $info) = each %$faces) {
		3408	next unless $info->{smooth};
		3409
		3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
2292	}	3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2293		3453
2294	1	3454	1
2295	}	3455	}
2296		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
2297	sub reload_resources {	3527	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3528	trace "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	3529
2300	load_faces	3530	reload_facedata;
2301	or die "unable to load faces\n";#d#	3531	reload_sound;
2302	}	3532	reload_archetypes;
2303
2304	sub init {
2305	reload_resources;	3533	reload_regions;
2306	}	3534	reload_treasures;
2307		3535
2308	sub cfg_load {	3536	trace "finished reloading resource files\n";
		3537	}
		3538
		3539	sub reload_config {
		3540	trace "reloading config file...\n";
		3541
2309	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2310	or return;	3543	or return;
2311		3544
2312	local $/;	3545	local $/;
2313	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2314		3547
2315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2316		3549
2317	$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};
2318	$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};
2319		3552
2320	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2322	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2323	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2324	};	3557	};
2325	warn $@ if $@;	3558	warn $@ if $@;
2326	}	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;
2327	}	3590	}
2328		3591
2329	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
2330	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2331	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2332	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#
2333	(async {	3605	(async {
2334	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2335	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2336	};	3609	};
2337		3610
2338	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;
2339	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
2340	load_extensions;	3634	load_extensions;
2341		3635
2342	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2343	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;
2344	}	3649	}
2345		3650
2346	#############################################################################	3651	#############################################################################
2347	# initialisation and cleanup	3652	# initialisation and cleanup
2348		3653
2349	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2350	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2351	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2352	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2353	reentrant => 0,
2354	data => WF_AUTOCANCEL,
2355	signal => $signal,
2356	prio => 0,
2357	cb => sub {
2358	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2359	},
2360	);	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
2361	}	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 };
2362	}	3750	}
2363		3751
2364	sub emergency_save() {	3752	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2366		3754
2367	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;
2368		3761
2369	cf::sync_job {	3762	cf::sync_job {
2370	# use a peculiar iteration method to avoid tripping on perl	3763	# use a peculiar iteration method to avoid tripping on perl
2371	# refcount bugs in for. also avoids problems with players	3764	# refcount bugs in for. also avoids problems with players
2372	# and maps saved/destroyed asynchronously.	3765	# and maps saved/destroyed asynchronously.
2373	warn "begin emergency player save\n";	3766	info "emergency_perl_save: begin player save\n";
2374	for my $login (keys %cf::PLAYER) {	3767	for my $login (keys %cf::PLAYER) {
2375	my $pl = $cf::PLAYER{$login} or next;	3768	my $pl = $cf::PLAYER{$login} or next;
2376	$pl->valid or next;	3769	$pl->valid or next;
		3770	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2377	$pl->save;	3771	$pl->save;
2378	}	3772	}
2379	warn "end emergency player save\n";	3773	info "emergency_perl_save: end player save\n";
2380		3774
2381	warn "begin emergency map save\n";	3775	info "emergency_perl_save: begin map save\n";
2382	for my $path (keys %cf::MAP) {	3776	for my $path (keys %cf::MAP) {
2383	my $map = $cf::MAP{$path} or next;	3777	my $map = $cf::MAP{$path} or next;
2384	$map->valid or next;	3778	$map->valid or next;
2385	$map->save;	3779	$map->save;
2386	}	3780	}
2387	warn "end emergency map save\n";	3781	info "emergency_perl_save: end map save\n";
2388		3782
2389	warn "begin emergency database checkpoint\n";	3783	info "emergency_perl_save: begin database checkpoint\n";
2390	BDB::db_env_txn_checkpoint $DB_ENV;	3784	BDB::db_env_txn_checkpoint $DB_ENV;
2391	warn "end emergency database checkpoint\n";	3785	info "emergency_perl_save: end database checkpoint\n";
		3786
		3787	info "emergency_perl_save: begin write uuid\n";
		3788	write_uuid_sync 1;
		3789	info "emergency_perl_save: end write uuid\n";
2392	};	3790	};
2393		3791
2394	warn "leave emergency perl save\n";	3792	info "emergency_perl_save: starting sync()\n";
		3793	IO::AIO::aio_sync sub {
		3794	info "emergency_perl_save: finished sync()\n";
		3795	};
		3796
		3797	info "emergency_perl_save: leave\n";
2395	}	3798	}
2396		3799
2397	sub post_cleanup {	3800	sub post_cleanup {
2398	my ($make_core) = @_;	3801	my ($make_core) = @_;
2399		3802
2400	warn Carp::longmess "post_cleanup backtrace"	3803	error Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3804	if $make_core;
2402	}
2403		3805
		3806	my $fh = pidfile;
		3807	unlink $PIDFILE if <$fh> == $$;
		3808	}
		3809
		3810	# a safer delete_package, copied from Symbol
		3811	sub clear_package($) {
		3812	my $pkg = shift;
		3813
		3814	# expand to full symbol table name if needed
		3815	unless ($pkg =~ /^main::.*::$/) {
		3816	$pkg = "main$pkg" if $pkg =~ /^::/;
		3817	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3818	$pkg .= '::' unless $pkg =~ /::$/;
		3819	}
		3820
		3821	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3822	my $stem_symtab = *{$stem}{HASH};
		3823
		3824	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3825	or return;
		3826
		3827	# clear all symbols
		3828	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3829	for my $name (keys %$leaf_symtab) {
		3830	_gv_clear *{"$pkg$name"};
		3831	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3832	}
		3833	}
		3834
2404	sub reload() {	3835	sub do_reload_perl() {
2405	# can/must only be called in main	3836	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	3837	if (in_main) {
2407	warn "can only reload from main coroutine";	3838	error "can only reload from main coroutine";
2408	return;	3839	return;
2409	}	3840	}
2410		3841
		3842	return if $RELOAD++;
		3843
		3844	my $t1 = AE::time;
		3845
		3846	while ($RELOAD) {
2411	warn "reloading...";	3847	info "reloading...";
2412		3848
2413	warn "entering sync_job";	3849	trace "entering sync_job";
2414		3850
2415	cf::sync_job {	3851	cf::sync_job {
2416	cf::write_runtime; # external watchdog should not bark	3852	cf::write_runtime_sync; # external watchdog should not bark
2417	cf::emergency_save;	3853	cf::emergency_save;
2418	cf::write_runtime; # external watchdog should not bark	3854	cf::write_runtime_sync; # external watchdog should not bark
2419		3855
2420	warn "syncing database to disk";	3856	trace "syncing database to disk";
2421	BDB::db_env_txn_checkpoint $DB_ENV;	3857	BDB::db_env_txn_checkpoint $DB_ENV;
2422		3858
2423	# if anything goes wrong in here, we should simply crash as we already saved	3859	# if anything goes wrong in here, we should simply crash as we already saved
2424		3860
2425	warn "cancelling all WF_AUTOCANCEL watchers";
2426	for (Event::all_watchers) {
2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2428	}
2429
2430	warn "flushing outstanding aio requests";	3861	trace "flushing outstanding aio requests";
2431	for (;;) {
2432	BDB::flush;
2433	IO::AIO::flush;
2434	Coro::cede;
2435	last unless IO::AIO::nreqs || BDB::nreqs;	3862	while (IO::AIO::nreqs || BDB::nreqs) {
2436	warn "iterate...";	3863	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2437	}
2438
2439	++$RELOAD;
2440
2441	warn "cancelling all extension coros";
2442	$_->cancel for values %EXT_CORO;
2443	%EXT_CORO = ();
2444
2445	warn "removing commands";
2446	%COMMAND = ();
2447
2448	warn "removing ext commands";
2449	%EXTCMD = ();
2450
2451	warn "unloading/nuking all extensions";
2452	for my $pkg (@EXTS) {
2453	warn "... unloading $pkg";
2454
2455	if (my $cb = $pkg->can ("unload")) {
2456	eval {
2457	$cb->($pkg);
2458	1
2459	} or warn "$pkg unloaded, but with errors: $@";
2460	}	3864	}
2461		3865
2462	warn "... nuking $pkg";	3866	trace "cancelling all extension coros";
2463	Symbol::delete_package $pkg;	3867	$_->cancel for values %EXT_CORO;
2464	}	3868	%EXT_CORO = ();
2465		3869
2466	warn "unloading all perl modules loaded from $LIBDIR";	3870	trace "removing commands";
2467	while (my ($k, $v) = each %INC) {	3871	%COMMAND = ();
2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2469		3872
		3873	trace "removing ext/exti commands";
		3874	%EXTCMD = ();
		3875	%EXTICMD = ();
		3876
		3877	trace "unloading/nuking all extensions";
		3878	for my $pkg (@EXTS) {
2470	warn "... unloading $k";	3879	trace "... unloading $pkg";
2471	delete $INC{$k};
2472		3880
2473	$k =~ s/\.pm$//;
2474	$k =~ s/\//::/g;
2475
2476	if (my $cb = $k->can ("unload_module")) {	3881	if (my $cb = $pkg->can ("unload")) {
		3882	eval {
2477	$cb->();	3883	$cb->($pkg);
		3884	1
		3885	} or error "$pkg unloaded, but with errors: $@";
		3886	}
		3887
		3888	trace "... clearing $pkg";
		3889	clear_package $pkg;
2478	}	3890	}
2479		3891
2480	Symbol::delete_package $k;	3892	trace "unloading all perl modules loaded from $LIBDIR";
		3893	while (my ($k, $v) = each %INC) {
		3894	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3895
		3896	trace "... unloading $k";
		3897	delete $INC{$k};
		3898
		3899	$k =~ s/\.pm$//;
		3900	$k =~ s/\//::/g;
		3901
		3902	if (my $cb = $k->can ("unload_module")) {
		3903	$cb->();
		3904	}
		3905
		3906	clear_package $k;
2481	}	3907	}
2482		3908
2483	warn "getting rid of safe::, as good as possible";	3909	trace "getting rid of safe::, as good as possible";
2484	Symbol::delete_package "safe::$_"	3910	clear_package "safe::$_"
2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3911	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2486		3912
2487	warn "unloading cf.pm \"a bit\"";	3913	trace "unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	3914	delete $INC{"cf.pm"};
		3915	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2489		3916
2490	# don't, removes xs symbols, too,	3917	# don't, removes xs symbols, too,
2491	# and global variables created in xs	3918	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	3919	#clear_package __PACKAGE__;
2493		3920
2494	warn "unload completed, starting to reload now";	3921	info "unload completed, starting to reload now";
2495		3922
2496	warn "reloading cf.pm";	3923	trace "reloading cf.pm";
2497	require cf;	3924	require cf;
2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3925	cf::_connect_to_perl_1;
2499		3926
2500	warn "loading config and database again";	3927	trace "loading config and database again";
2501	cf::cfg_load;	3928	cf::reload_config;
2502		3929
2503	warn "loading extensions";	3930	trace "loading extensions";
2504	cf::load_extensions;	3931	cf::load_extensions;
2505		3932
		3933	if ($REATTACH_ON_RELOAD) {
2506	warn "reattaching attachments to objects/players";	3934	trace "reattaching attachments to objects/players";
2507	_global_reattach; # objects, sockets	3935	_global_reattach; # objects, sockets
2508	warn "reattaching attachments to maps";	3936	trace "reattaching attachments to maps";
2509	reattach $_ for values %MAP;	3937	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	3938	trace "reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	3939	reattach $_ for values %PLAYER;
		3940	}
2512		3941
2513	warn "loading reloadable resources";	3942	trace "running post_init jobs";
2514	reload_resources;	3943	(pop @POST_INIT)->(1) while @POST_INIT;
2515		3944
2516	warn "leaving sync_job";	3945	trace "leaving sync_job";
2517		3946
2518	1	3947	1
2519	} or do {	3948	} or do {
2520	warn $@;	3949	error $@;
2521	warn "error while reloading, exiting.";	3950	cf::cleanup "error while reloading, exiting.";
2522	exit 1;	3951	};
		3952
		3953	info "reloaded";
		3954	--$RELOAD;
		3955	}
		3956
		3957	$t1 = AE::time - $t1;
		3958	info "reload completed in ${t1}s\n";
		3959	};
		3960
		3961	our $RELOAD_WATCHER; # used only during reload
		3962
		3963	sub reload_perl() {
		3964	# doing reload synchronously and two reloads happen back-to-back,
		3965	# coro crashes during coro_state_free->destroy here.
		3966
		3967	$RELOAD_WATCHER ||= cf::async {
		3968	Coro::AIO::aio_wait cache_extensions;
		3969
		3970	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3971	do_reload_perl;
		3972	undef $RELOAD_WATCHER;
		3973	};
2523	};	3974	};
2524		3975	}
2525	warn "reloaded";
2526	};
2527
2528	our $RELOAD_WATCHER; # used only during reload
2529		3976
2530	register_command "reload" => sub {	3977	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	3978	my ($who, $arg) = @_;
2532		3979
2533	if ($who->flag (FLAG_WIZ)) {	3980	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	3981	$who->message ("reloading server.");
2535		3982	async {
2536	# doing reload synchronously and two reloads happen back-to-back,	3983	$Coro::current->{desc} = "perl_reload";
2537	# coro crashes during coro_state_free->destroy here.
2538
2539	$RELOAD_WATCHER ||= Event->timer (
2540	reentrant => 0,
2541	after => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => sub {
2544	reload;	3984	reload_perl;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);	3985	};
2548	}	3986	}
2549	};	3987	};
2550		3988
2551	unshift @INC, $LIBDIR;	3989	unshift @INC, $LIBDIR;
2552		3990
2553	my $bug_warning = 0;	3991	my $bug_warning = 0;
2554		3992
2555	$TICK_WATCHER = Event->timer (	3993	our @WAIT_FOR_TICK;
2556	reentrant => 0,	3994	our @WAIT_FOR_TICK_BEGIN;
2557	parked => 1,	3995
2558	prio => 0,	3996	sub wait_for_tick {
2559	at => $NEXT_TICK || $TICK,	3997	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2560	data => WF_AUTOCANCEL,	3998
2561	cb => sub {	3999	my $signal = new Coro::Signal;
		4000	push @WAIT_FOR_TICK, $signal;
		4001	$signal->wait;
		4002	}
		4003
		4004	sub wait_for_tick_begin {
		4005	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4006
		4007	my $signal = new Coro::Signal;
		4008	push @WAIT_FOR_TICK_BEGIN, $signal;
		4009	$signal->wait;
		4010	}
		4011
		4012	sub tick {
2562	if ($Coro::current != $Coro::main) {	4013	if ($Coro::current != $Coro::main) {
2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4014	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564	unless ++$bug_warning > 10;	4015	unless ++$bug_warning > 10;
2565	return;	4016	return;
2566	}	4017	}
2567		4018
2568	$NOW = Event::time;
2569
2570	cf::server_tick; # one server iteration	4019	cf::server_tick; # one server iteration
2571	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;
2573		4020
		4021	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4022
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4023	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	4024	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2576	Coro::async_pool {	4025	Coro::async_pool {
		4026	$Coro::current->{desc} = "runtime saver";
2577	write_runtime	4027	write_runtime_sync
2578	or warn "ERROR: unable to write runtime file: $!";	4028	or error "ERROR: unable to write runtime file: $!";
2579	};
2580	}	4029	};
2581
2582	$WAIT_FOR_TICK->broadcast;
2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584
2585	# my $AFTER = Event::time;
2586	# warn $AFTER - $NOW;#d#
2587
2588	# if we are delayed by four ticks or more, skip them all
2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2590
2591	$TICK_WATCHER->at ($NEXT_TICK);
2592	$TICK_WATCHER->start;
2593	},	4030	}
2594	);	4031
		4032	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4033	$sig->send;
		4034	}
		4035	while (my $sig = shift @WAIT_FOR_TICK) {
		4036	$sig->send;
		4037	}
		4038
		4039	$LOAD = ($NOW - $TICK_START) / $TICK;
		4040	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4041
		4042	if (0) {
		4043	if ($NEXT_TICK) {
		4044	my $jitter = $TICK_START - $NEXT_TICK;
		4045	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4046	debug "jitter $JITTER\n";#d#
		4047	}
		4048	}
		4049	}
2595		4050
2596	{	4051	{
2597	BDB::max_poll_time $TICK * 0.1;	4052	# configure BDB
2598	$BDB_POLL_WATCHER = Event->io (	4053
2599	reentrant => 0,
2600	fd => BDB::poll_fileno,
2601	poll => 'r',
2602	prio => 0,
2603	data => WF_AUTOCANCEL,
2604	cb => \&BDB::poll_cb,
2605	);
2606	BDB::min_parallel 8;	4054	BDB::min_parallel 16;
2607		4055	BDB::max_poll_reqs $TICK * 0.1;
2608	BDB::set_sync_prepare {	4056	$AnyEvent::BDB::WATCHER->priority (1);
2609	my $status;
2610	my $current = $Coro::current;
2611	(
2612	sub {
2613	$status = $!;
2614	$current->ready; undef $current;
2615	},
2616	sub {
2617	Coro::schedule while defined $current;
2618	$! = $status;
2619	},
2620	)
2621	};
2622		4057
2623	unless ($DB_ENV) {	4058	unless ($DB_ENV) {
2624	$DB_ENV = BDB::db_env_create;	4059	$DB_ENV = BDB::db_env_create;
		4060	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4061	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4062	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4063	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4064	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2625		4065
2626	cf::sync_job {	4066	cf::sync_job {
2627	eval {	4067	eval {
2628	BDB::db_env_open	4068	BDB::db_env_open
2629	$DB_ENV,	4069	$DB_ENV,
2630	$BDB_ENV_DIR,	4070	$BDBDIR,
2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4071	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4072	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	4073	0666;
2634		4074
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4075	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636
2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638	$DB_ENV->set_lk_detect;
2639	};	4076	};
2640		4077
2641	cf::cleanup "db_env_open(db): $@" if $@;	4078	cf::cleanup "db_env_open(db): $@" if $@;
2642	};	4079	};
2643	}	4080	}
		4081
		4082	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4083	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4084	};
		4085	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4086	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4087	};
		4088	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4089	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4090	};
2644	}	4091	}
2645		4092
2646	{	4093	{
		4094	# configure IO::AIO
		4095
2647	IO::AIO::min_parallel 8;	4096	IO::AIO::min_parallel 8;
2648
2649	undef $Coro::AIO::WATCHER;
2650	IO::AIO::max_poll_time $TICK * 0.1;	4097	IO::AIO::max_poll_time $TICK * 0.1;
2651	$AIO_POLL_WATCHER = Event->io (	4098	undef $AnyEvent::AIO::WATCHER;
2652	reentrant => 0,
2653	data => WF_AUTOCANCEL,
2654	fd => IO::AIO::poll_fileno,
2655	poll => 'r',
2656	prio => 6,
2657	cb => \&IO::AIO::poll_cb,
2658	);
2659	}	4099	}
		4100
		4101	my $_log_backtrace;
		4102
		4103	sub _log_backtrace {
		4104	my ($msg, @addr) = @_;
		4105
		4106	$msg =~ s/\n//;
		4107
		4108	# limit the # of concurrent backtraces
		4109	if ($_log_backtrace < 2) {
		4110	++$_log_backtrace;
		4111	my $perl_bt = Carp::longmess $msg;
		4112	async {
		4113	$Coro::current->{desc} = "abt $msg";
		4114
		4115	my @bt = fork_call {
		4116	@addr = map { sprintf "%x", $_ } @addr;
		4117	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4118	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4119	or die "addr2line: $!";
		4120
		4121	my @funcs;
		4122	my @res = <$fh>;
		4123	chomp for @res;
		4124	while (@res) {
		4125	my ($func, $line) = splice @res, 0, 2, ();
		4126	push @funcs, "[$func] $line";
		4127	}
		4128
		4129	@funcs
		4130	};
		4131
		4132	LOG llevInfo, "[ABT] $perl_bt\n";
		4133	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4134	LOG llevInfo, "[ABT] $_\n" for @bt;
		4135	--$_log_backtrace;
		4136	};
		4137	} else {
		4138	LOG llevInfo, "[ABT] $msg\n";
		4139	LOG llevInfo, "[ABT] [suppressed]\n";
		4140	}
		4141	}
		4142
		4143	# load additional modules
		4144	require "cf/$_.pm" for @EXTRA_MODULES;
		4145	cf::_connect_to_perl_2;
2660		4146
2661	END { cf::emergency_save }	4147	END { cf::emergency_save }
2662		4148
2663	1	4149	1
2664		4150

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