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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 1.532 by root, Thu Apr 29 07:32:34 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 ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
301		512
302	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
305	fast or be very important.	516	fast or be very important.
…		…
308		519
309	sub sync_job(&) {	520	sub sync_job(&) {
310	my ($job) = @_;	521	my ($job) = @_;
311		522
312	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::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	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
		677
		678	our $DB;
		679
		680	sub db_init {
		681	cf::sync_job {
		682	$DB ||= db_table "db";
		683	};
		684	}
		685
		686	sub db_get($$) {
		687	my $key = "$_[0]/$_[1]";
		688
		689	cf::sync_job {
		690	BDB::db_get $DB, undef, $key, my $data;
		691
		692	$! ? ()
		693	: $data
		694	}
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
		770	}
		771
		772	=item cf::datalog type => key => value, ...
		773
		774	Log a datalog packet of the given type with the given key-value pairs.
		775
		776	=cut
		777
		778	sub datalog($@) {
		779	my ($type, %kv) = @_;
		780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	781	}
388		782
389	=back	783	=back
390		784
391	=cut	785	=cut
392		786
393	#############################################################################	787	#############################################################################
394		788
395	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
396		790
397	Many objects in crossfire are so-called attachable objects. That means you can	791	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")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
400		794
401	In the following description, CLASS can be any of C<global>, C<object>	795	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	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	797	Deliantra).
404		798
405	=over 4	799	=over 4
406		800
407	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
408		802
…		…
452	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
453		847
454	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
456		850
457	Some classes such as crossfire maps and objects can specify attachments	851	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.	852	that are attached at load/instantiate time, thus the need for a name.
459		853
460	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
461		855
462	=over 4	856	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
572		966
573	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		971
578	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	973	my $pkg = shift @arg;
580		974
581	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
586		980
587	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		983
590	} elsif (ref $type) {	984	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
592		986
593	} else {	987	} else {
594	shift @arg;	988	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
596	}	990	}
597	}	991	}
598	}	992	}
599		993
600	sub _object_attach {	994	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
611	}	1005	}
612		1006
613	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
614	} else {	1008	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1010	}
617		1011
618	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
619	}	1013	}
620		1014
…		…
622	if (ref $_[0]) {	1016	if (ref $_[0]) {
623	_object_attach @_;	1017	_object_attach @_;
624	} else {	1018	} else {
625	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
626	}	1020	}
		1021	_recalc_want;
627	};	1022	};
628		1023
629	# all those should be optimised	1024	# all those should be optimised
630	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1030	reattach ($obj);
636	} else {	1031	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
638	}	1033	}
		1034	_recalc_want;
639	};	1035	};
640		1036
641	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
643		1039
…		…
658	";	1054	";
659	die if $@;	1055	die if $@;
660	}	1056	}
661		1057
662	our $override;	1058	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1060
665	sub override {	1061	sub override {
666	$override = 1;	1062	$override = 1;
667	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
668	}	1064	}
669		1065
670	sub do_invoke {	1066	sub do_invoke {
671	my $event = shift;	1067	my $event = shift;
672	my $callbacks = shift;	1068	my $callbacks = shift;
673		1069
674	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
675		1071
676	local $override;	1072	local $override;
677		1073
678	for (@$callbacks) {	1074	for (@$callbacks) {
679	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
680		1076
681	if ($@) {	1077	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1079	override;
685	}	1080	}
686		1081
687	return 1 if $override;	1082	return 1 if $override;
688	}	1083	}
689		1084
690	0	1085	0
691	}	1086	}
692		1087
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1089
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1091
697	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
698		1093
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	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	1095	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1097
703	=back	1098	=back
704		1099
705	=cut	1100	=cut
706		1101
707	#############################################################################	1102	#############################################################################
708	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
709		1146
710	sub reattach {	1147	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1149	my ($obj) = @_;
713		1150
		1151	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1153
716	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
717		1155
718	@$registry = ();	1156	@$registry = ();
719		1157
…		…
724	for (@$attach) {	1162	for (@$attach) {
725	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
727	}	1165	}
728	} else {	1166	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1168	}
731	}	1169	}
732	}	1170	}
733		1171
734	cf::attachable->attach (	1172	cf::attachable->attach (
735	prio => -1000000,	1173	prio => -1000000,
736	on_instantiate => sub {	1174	on_instantiate => sub {
737	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
738		1176
739	$data = from_json $data;	1177	$data = decode_json $data;
740		1178
741	for (@$data) {	1179	for (@$data) {
742	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
743		1181
744	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1198	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
762		1200
763	sync_job {	1201	sync_job {
764	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
767		1207
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
772	close $fh;	1215	aio_close $fh;
773		1216
774	if (@$objs) {	1217	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
780	close $fh;	1226	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
782	}	1228	}
783	} else {	1229	} else {
784	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
785	}	1231	}
786		1232
787	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1237	} else {
789	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
790	}	1239	}
791	} else {	1240	} else {
792	aio_unlink $filename;	1241	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
794	}	1243	}
795	}	1244	};
796	}	1245	}
797		1246
798	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
800		1249
…		…
812	or return;	1261	or return;
813		1262
814	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
816	or return;	1265	or return;
		1266
817	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
818	}	1269	}
819		1270
		1271	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
822	return ($data, $av);	1276	($data, $av)
823	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
824		1284
825	#############################################################################	1285	#############################################################################
826	# command handling &c	1286	# command handling &c
827		1287
828	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1302	}
843		1303
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1305
846	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
847		1311
848	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
849	called.	1313	called.
850		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
851	=cut	1326	=cut
852		1327
853	sub register_extcmd {	1328	sub register_extcmd {
854	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
855		1330
856	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
857	}	1332	}
858		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
859	cf::player->attach (	1342	cf::player->attach (
860	on_command => sub {	1343	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
862		1345
863	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
864	or return;	1347	or return;
865		1348
…		…
870	cf::override;	1353	cf::override;
871	},	1354	},
872	on_extcmd => sub {	1355	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
874		1357
875	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1359
877	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
883	} else {	1375	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1377	}
886		1378
887	cf::override;	1379	cf::override;
888	},	1380	},
889	);	1381	);
890		1382
		1383	# "readahead" all extensions
891	sub load_extension {	1384	sub cache_extensions {
892	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
893		1386
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1389	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	}	1390	}
919	die $@;
920	}	1391	};
921		1392
922	push @EXTS, $pkg;	1393	$grp
923	}	1394	}
924		1395
925	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
926	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1403	next unless -r $path;
928	eval {	1404
929	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457
		1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1459	delete $todo{$k};
		1460	} else {
		1461	$done{$k} = delete $todo{$k};
		1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
		1467	}
930	1	1468	}
931	} or warn "$ext not loaded: $@";	1469
		1470	unless ($progress) {
		1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
		1478	}
932	}	1479	};
933	}	1480	}
934		1481
935	#############################################################################	1482	#############################################################################
936		1483
		1484	=back
		1485
937	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
938		1487
939	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
940		1489
941	=cut	1490	=cut
942		1491
943	package cf::player;	1492	package cf::player;
944		1493
…		…
946		1495
947	=head3 cf::player	1496	=head3 cf::player
948		1497
949	=over 4	1498	=over 4
950		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
		1513
951	=item cf::player::find $login	1514	=item cf::player::find $login
952		1515
953	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
954		1517
955	=cut	1518	=cut
956		1519
957	sub playerdir($) {	1520	sub playerdir($) {
958	cf::localdir	1521	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1522	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1523	}
964		1524
965	sub path($) {	1525	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1526	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1527
968	(playerdir $login) . "/$login.pl"	1528	(playerdir $login) . "/playerdata"
969	}	1529	}
970		1530
971	sub find_active($) {	1531	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1532	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1533	and $cf::PLAYER{$_[0]}->active
…		…
976		1536
977	sub exists($) {	1537	sub exists($) {
978	my ($login) = @_;	1538	my ($login) = @_;
979		1539
980	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
982	}	1542	}
983		1543
984	sub find($) {	1544	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1546	my $login = $_[0];
987		1547
988	my $guard = cf::lock_acquire "user_find:$login";	1548	my $guard = cf::lock_acquire "user_find:$login";
989		1549
990	$cf::PLAYER{$_[0]} || do {	1550	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1551	# rename old playerfiles to new ones
		1552	#TODO: remove when no longer required
		1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1556	aio_unlink +(playerdir $login) . "/$login.pl";
		1557
		1558	my $f = new_from_file cf::object::thawer path $login
992	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
994	}	1567	}
995	}	1568	}
996	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
997		1583
998	sub save($) {	1584	sub save($) {
999	my ($pl) = @_;	1585	my ($pl) = @_;
1000		1586
1001	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1007		1593
1008	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1010		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1011	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1012	Coro::cede;	1603	cf::cede_to_tick;
1013	}	1604	}
1014		1605
1015	sub new($) {	1606	sub new($) {
1016	my ($login) = @_;	1607	my ($login) = @_;
1017		1608
…		…
1023	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1024		1615
1025	$self	1616	$self
1026	}	1617	}
1027		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1028	=item $pl->quit_character	1629	=item $pl->quit_character
1029		1630
1030	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1032		1633
…		…
1036	my ($pl) = @_;	1637	my ($pl) = @_;
1037		1638
1038	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1039		1640
1040	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1643
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1047		1649
1048	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1681	while and may block, so not sync_job-capable, ever.
1080		1682
1081	=cut	1683	=cut
1082		1684
1083	sub list_logins {	1685	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1686	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1687	or return [];
1086		1688
1087	my @logins;	1689	my @logins;
1088		1690
1089	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1093		1701
1094	utf8::decode $login;	1702	utf8::decode $login;
1095	push @logins, $login;	1703	push @logins, $login;
1096	}	1704	}
1097		1705
1098	\@logins	1706	\@logins
1099	}	1707	}
1100		1708
1101	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1102		1712
1103	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1104	player. May block.	1714	player. May block.
1105		1715
1106	=cut	1716	=cut
…		…
1124	}	1734	}
1125		1735
1126	\@paths	1736	\@paths
1127	}	1737	}
1128		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1130		1744
1131	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1132		1746
1133	=cut	1747	=cut
1134		1748
1135	sub ext_reply($$$%) {	1749	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1137		1751
1138	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1753	}
1142		1754
1143	package cf;	1755	=item $player->ext_msg ($type, @msg)
		1756
		1757	Sends an ext event to the client.
		1758
		1759	=cut
		1760
		1761	sub ext_msg($$@) {
		1762	my ($self, $type, @msg) = @_;
		1763
		1764	$self->ns->ext_msg ($type, @msg);
		1765	}
		1766
		1767	=head3 cf::region
		1768
		1769	=over 4
		1770
		1771	=cut
		1772
		1773	package cf::region;
		1774
		1775	=item cf::region::find_by_path $path
		1776
		1777	Tries to decuce the likely region for a map knowing only its path.
		1778
		1779	=cut
		1780
		1781	sub find_by_path($) {
		1782	my ($path) = @_;
		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
		1786	my ($match, $specificity);
		1787
		1788	for my $region (list) {
		1789	if ($region->{match} && $path =~ $region->{match}) {
		1790	($match, $specificity) = ($region, $region->specificity)
		1791	if $region->specificity > $specificity;
		1792	}
		1793	}
		1794
		1795	$match
		1796	}
1144		1797
1145	=back	1798	=back
1146
1147		1799
1148	=head3 cf::map	1800	=head3 cf::map
1149		1801
1150	=over 4	1802	=over 4
1151		1803
…		…
1163	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1165		1817
1166	sub generate_random_map {	1818	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1168	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1824	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1198		1853
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	1855	}
1201		1856
1202	# also paths starting with '/'	1857	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		1859
1205	sub thawer_merge {	1860	sub thawer_merge {
1206	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1207		1862
1208	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1209	local $self->{path};	1864	local $self->{path};
1210	local $self->{load_path};	1865	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1866
1214	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1215	}	1868	}
1216		1869
1217	sub normalise {	1870	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1265	return $self;	1918	return $self;
1266	}	1919	}
1267	}	1920	}
1268		1921
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1923	()
1271	}	1924	}
1272		1925
1273	sub init {	1926	sub init {
1274	my ($self) = @_;	1927	my ($self) = @_;
…		…
1289		1942
1290	# the original (read-only) location	1943	# the original (read-only) location
1291	sub load_path {	1944	sub load_path {
1292	my ($self) = @_;	1945	my ($self) = @_;
1293		1946
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1295	}	1948	}
1296		1949
1297	# the temporary/swap location	1950	# the temporary/swap location
1298	sub save_path {	1951	sub save_path {
1299	my ($self) = @_;	1952	my ($self) = @_;
1300		1953
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1303	}	1956	}
1304		1957
1305	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1306	sub uniq_path {	1959	sub uniq_path {
1307	my ($self) = @_;	1960	my ($self) = @_;
1308		1961
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1311	}	1964	}
1312		1965
1313	# and all this just because we cannot iterate over	1966	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	1967	my ($self) = @_;
1317		1968
1318	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1320	}	1972	}
1321		1973
1322	sub unlink_save {	1974	sub unlink_save {
1323	my ($self) = @_;	1975	my ($self) = @_;
1324		1976
…		…
1329		1981
1330	sub load_header_from($) {	1982	sub load_header_from($) {
1331	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1332		1984
1333	utf8::encode $path;	1985	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1339		1994
1340	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1341		1996
1342	1	1997	1
1343	}	1998	}
…		…
1382	$self->load_header_orig	2037	$self->load_header_orig
1383	or return;	2038	or return;
1384	$self->prepare_orig;	2039	$self->prepare_orig;
1385	}	2040	}
1386		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
		2045	$self->default_region (cf::region::find_by_path $self->{path})
		2046	unless $self->default_region;
		2047
1387	1	2048	1
1388	}	2049	}
1389		2050
1390	sub find;	2051	sub find;
1391	sub find {	2052	sub find {
1392	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1393		2054
1394	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1395		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2059
1398	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1401	or return;	2062	or return;
1402		2063
1403	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1404		2065
1405	$map->load_header	2066	$map->load_header
1406	or return;	2067	or return;
1407		2068
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1411	$map->reset;	2074	$map->reset;
1412	undef $guard;
1413	return find $path;	2075	return find $path;
1414	}	2076	}
1415		2077
1416	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1417	}	2079	}
1418	}	2080	}
1419		2081
1420	sub pre_load { }	2082	sub pre_load { }
1421	sub post_load { }	2083	#sub post_load { } # XS
1422		2084
1423	sub load {	2085	sub load {
1424	my ($self) = @_;	2086	my ($self) = @_;
1425		2087
1426	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1427		2089
1428	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1430		2094
		2095	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2097
1433	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1434		2099
1435	$self->alloc;	2100	$self->alloc;
1436		2101
1437	$self->pre_load;	2102	$self->pre_load;
		2103	cf::cede_to_tick;
1438		2104
1439	$self->_load_objects ($self->{load_path}, 1)	2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
		2107	$self->_load_objects ($f)
1440	or return;	2108	or return;
1441		2109
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1443	if delete $self->{load_original};	2111	if delete $self->{load_original};
1444		2112
1445	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2114	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2117	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1450	}	2121	}
1451	}	2122	}
1452		2123
1453	Coro::cede;	2124	$f->resolve_delayed_derefs;
1454		2125
		2126	cf::cede_to_tick;
1455	# now do the right thing for maps	2127	# now do the right thing for maps
1456	$self->link_multipart_objects;	2128	$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)	2129	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2130	unless $self->difficulty;
1466	Coro::cede;	2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1467	$self->activate;	2138	$self->activate;
		2139	}
		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
		2144	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2145	}
1469		2146
1470	$self->post_load;	2147	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2148	}
1474		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1475	sub customise_for {	2153	sub customise_for {
1476	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1477		2155
1478	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2157	if $self->per_player;
1480		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1481	$self	2162	$self
1482	}	2163	}
1483		2164
1484	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2166	sub load_neighbours {
1486	my ($map) = @_;	2167	my ($map) = @_;
1487		2168
1488	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1489		2170
1490	for (0 .. 3) {	2171	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1492	or next;	2173	or next;
1493	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1494	or next;	2175	or next;
1495	$neigh->load;	2176	$neigh->load;
1496		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2182	}
1500		2183
1501	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1503	or next;	2187	or next;
1504	$neigh->load;	2188	$neigh->load;
1505	}	2189	}
1506	}	2190	}
1507		2191
…		…
1512	}	2196	}
1513		2197
1514	sub do_load_sync {	2198	sub do_load_sync {
1515	my ($map) = @_;	2199	my ($map) = @_;
1516		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1517	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1518	}	2205	}
1519		2206
1520	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1522		2209
1523	sub find_async {	2210	sub find_async {
1524	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1525		2212
1526	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1527		2214
1528	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2217	}
1531		2218
1532	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1533	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1534	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2226	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2227	$map->load if $v;
		2228	}
1539		2229
1540	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1541	}	2231	}
1542	}	2232	}
1543	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1544	};	2234	};
1545	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1546		2236
1547	()	2237	()
1548	}	2238	}
1549		2239
		2240	# common code, used by both ->save and ->swapout
1550	sub save {	2241	sub _save {
1551	my ($self) = @_;	2242	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2243
1555	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1556		2245
1557	return unless $self->dirty;	2246	return unless $self->dirty;
1558		2247
…		…
1564	return if $self->{deny_save};	2253	return if $self->{deny_save};
1565		2254
1566	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1567		2256
1568	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1570	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1571		2263
1572	if ($uniq) {	2264	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2267	} else {
1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1577	}	2269	}
1578	}	2270	}
1579		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1580	sub swap_out {	2280	sub swap_out {
1581	my ($self) = @_;	2281	my ($self) = @_;
1582		2282
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1588	return if $self->players;	2287	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1592	$self->clear;	2298	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2299	}
1595		2300
1596	sub reset_at {	2301	sub reset_at {
1597	my ($self) = @_;	2302	my ($self) = @_;
1598		2303
1599	# TODO: safety, remove and allow resettable per-player maps	2304	# 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};	2305	return 1e99 if $self->{deny_reset};
1602		2306
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2307	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2308	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2309
…		…
1616	my ($self) = @_;	2320	my ($self) = @_;
1617		2321
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2323
1620	return if $self->players;	2324	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2325
1623	warn "resetting map ", $self->path;#d#	2326	cf::trace "resetting map ", $self->path, "\n";
1624		2327
1625	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
1626		2329
1627	# need to save uniques path	2330	# need to save uniques path
1628	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2335	if $uniq;
1633	}	2336	}
1634		2337
1635	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1636		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2342	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2343
1641	$self->unlink_save;	2344	$self->unlink_save;
1642	$self->destroy;	2345	$self->destroy;
1643	}	2346	}
1644		2347
1645	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1646		2349
1647	sub nuke {	2350	sub nuke {
1648	my ($self) = @_;	2351	my ($self) = @_;
1649		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
1650	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1651		2357
1652	$self->unlink_save;	2358	$self->unlink_save;
1653		2359
1654	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2365
1660	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
1661		2368
1662	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
		2370	}
		2371
		2372	=item $maps = cf::map::tmp_maps
		2373
		2374	Returns an arrayref with all map paths of currently instantiated and saved
		2375	maps. May block.
		2376
		2377	=cut
		2378
		2379	sub tmp_maps() {
		2380	[
		2381	map {
		2382	utf8::decode $_;
		2383	/\.map$/
		2384	? normalise $_
		2385	: ()
		2386	} @{ aio_readdir $TMPDIR or [] }
		2387	]
		2388	}
		2389
		2390	=item $maps = cf::map::random_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	random maps. May block.
		2394
		2395	=cut
		2396
		2397	sub random_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise "?random/$_"
		2403	: ()
		2404	} @{ aio_readdir $RANDOMDIR or [] }
		2405	]
1663	}	2406	}
1664		2407
1665	=item cf::map::unique_maps	2408	=item cf::map::unique_maps
1666		2409
1667	Returns an arrayref of paths of all shared maps that have	2410	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2411	instantiated unique items. May block.
1669		2412
1670	=cut	2413	=cut
1671		2414
1672	sub unique_maps() {	2415	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2416	[
1674	or return;	2417	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2418	utf8::decode $_;
1680	next if /\.pst$/;	2419	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2421	? ()
1683	push @paths, cf::map::normalise $_;	2422	: normalise $_
		2423	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2424	]
1685
1686	\@paths
1687	}	2425	}
1688		2426
1689	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
1690		2458
1691	=back	2459	=back
1692		2460
1693	=head3 cf::object	2461	=head3 cf::object
1694		2462
…		…
1698		2466
1699	=over 4	2467	=over 4
1700		2468
1701	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
1702		2470
1703	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
1704		2473
1705	=cut	2474	=cut
1706		2475
1707	sub inv_recursive_;	2476	sub inv_recursive_;
1708	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
1711		2480
1712	sub inv_recursive {	2481	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
1714	}	2483	}
1715		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
1716	package cf;	2513	package cf;
1717		2514
1718	=back	2515	=back
1719		2516
1720	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	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	2524	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
1729		2526
1730	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
1731		2542
1732	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2544	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
1737		2548
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2550
1740	if ($self->{record_replies}) {	2551	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2553
1742	} else {	2554	} else {
		2555	my $pl = $self->contr;
		2556
		2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2558	my $dialog = $pl->{npc_dialog};
		2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2560
		2561	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2564	}
1745	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
1746	}	2576	}
1747		2577
1748	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
1749		2579
1750	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
1763		2593
1764	=item $player_object->enter_link	2594	=item $player_object->enter_link
1765		2595
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2597
1768	The player should be reasonably safe there for short amounts of time. You	2598	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.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
1770		2602
1771	Will never block.	2603	Will never block.
1772		2604
1773	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
1774		2606
…		…
1794	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2627	my ($self) = @_;
1796		2628
1797	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
1798		2630
		2631	++$self->{_link_recursion};
		2632
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2634
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2636	if $self->map && $self->map->{path} ne "{link}";
1803		2637
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2639	}
1806		2640
1807	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
		2643
		2644	return unless $self->contr->active;
1809		2645
1810	my $link_pos = delete $self->{_link_pos};	2646	my $link_pos = delete $self->{_link_pos};
1811		2647
1812	unless ($map) {	2648	unless ($map) {
1813	# restore original map position	2649	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
1826		2662
1827	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
1830		2666
1831	$map->load;	2667	$map->load;
1832	$map->load_diag;	2668	$map->load_neighbours;
1833		2669
1834	return unless $self->contr->active;	2670	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2671
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
1839	}	2674	# entering was successful
1840		2675	delete $self->{_link_recursion};
1841	cf::player->attach (	2676	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2677	$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	},	2678	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2679
1855	# try to abort aborted map switching on player login :)	2680	}
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		2681
1873	=item $player_object->goto ($path, $x, $y)	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		2683
		2684	Moves the player to the given map-path and coordinates by first freezing
		2685	her, loading and preparing them map, calling the provided $check callback
		2686	that has to return the map if sucecssful, and then unfreezes the player on
		2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
		2692
1875	=cut	2693	=cut
		2694
		2695	our $GOTOGEN;
1876		2696
1877	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
		2705
		2706	# do generation counting so two concurrent goto's will be executed in-order
		2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2708
1880	$self->enter_link;	2709	$self->enter_link;
1881		2710
1882	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
1883	my $map = eval {	2733	my $map = eval {
1884	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
		2735
		2736	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2737	$map = $map->customise_for ($self);
		2738	$map = $check->($map, $x, $y, $self) if $check && $map;
		2739	} else {
		2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	}
		2742
1886	$map	2743	$map
		2744	};
		2745
		2746	if ($@) {
		2747	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2748	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2749	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2750
		2751	if ($gen == $self->{_goto_generation}) {
		2752	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
		2754	}
		2755
		2756	$done->($self) if $done;
1891	})->prio (1);	2757	})->prio (1);
1892	}	2758	}
1893		2759
1894	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
1895		2761
…		…
1915	}	2781	}
1916		2782
1917	sub prepare_random_map {	2783	sub prepare_random_map {
1918	my ($exit) = @_;	2784	my ($exit) = @_;
1919		2785
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2788	# that depends on the exit object
1925		2789
1926	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2792	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
1933	}	2799	}
1934		2800
1935	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
1936		2802
1937	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
1940		2806
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2809	undef $fh;
1944	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
1945		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
1948	}	2818	}
1949	}	2819	}
1950		2820
1951	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
1953		2823
1954	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
1955		2825
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;	2826	$self->enter_link;
1966		2827
1967	(async {	2828	(async {
1968	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
1969	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
1970	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
1971		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
1972	1;	2852	1
1973	}) {	2853	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2858
1979	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	2860	$self->leave_link;
1981	}	2861	}
1982	})->prio (1);	2862	})->prio (1);
1983	}	2863	}
1984		2864
…		…
1995		2875
1996	sub cf::client::send_drawinfo {	2876	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	2877	my ($self, $text, $flags) = @_;
1998		2878
1999	utf8::encode $text;	2879	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2881	}
2002		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
		2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2909
		2910	Send a drawinfo or msg packet to the client, formatting the msg for the
		2911	client if neccessary. C<$type> should be a string identifying the type of
		2912	the message, with C<log> being the default. If C<$color> is negative, suppress
		2913	the message unless the client supports the msg packet.
		2914
		2915	=cut
		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
		3031	sub cf::client::send_msg {
		3032	my ($self, $channel, $msg, $color, @extra) = @_;
		3033
		3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
		3070	=item $client->ext_msg ($type, @msg)
		3071
		3072	Sends an ext event to the client.
		3073
		3074	=cut
		3075
		3076	sub cf::client::ext_msg($$@) {
		3077	my ($self, $type, @msg) = @_;
		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
		3082	push @msg, msgtype => "event_$type";
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
2003		3104
2004	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2005		3106
2006	Queues a query to the client, calling the given callback with	3107	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>,	3108	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>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3110
2010	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3112	become reliable at some point in the future.
2012		3113
2013	=cut	3114	=cut
2014		3115
2015	sub cf::client::query {	3116	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3125	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3127
2027	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
2029	}	3132	}
2030		3133
2031	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
2032	on_reply => sub {	3140	on_reply => sub {
2033	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
2034		3142
2035	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
2036	# get handled first	3144	# get handled first
…		…
2048	} else {	3156	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3158	}
2051	}	3159	}
2052	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
2053	);	3187	);
2054		3188
2055	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
2056		3190
2057	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3207
2074	$coro	3208	$coro
2075	}	3209	}
2076		3210
2077	cf::client->attach (	3211	cf::client->attach (
2078	on_destroy => sub {	3212	on_client_destroy => sub {
2079	my ($ns) = @_;	3213	my ($ns) = @_;
2080		3214
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3216	},
2083	);	3217	);
…		…
2098	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2100		3234
2101	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2102		3236
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2104		3242
2105	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2106		3244
2107	=pod	3245	=pod
2108		3246
2109	The following fucntions and emthods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2110		3248
2111	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
2112	cf::object::player player	3254	cf::object::player
2113	cf::player peaceful	3255	player
2114	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2115		3262
2116	=cut	3263	=cut
2117		3264
2118	for (	3265	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2123	) {	3272	) {
2124	no strict 'refs';	3273	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2144		3293
2145	my $qcode = $code;	3294	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2148		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2149	local $_;	3301	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3302
2152	my $eval =	3303	my $eval =
2153	"do {\n"	3304	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3307	. $code
2157	. "\n}"	3308	. "\n}"
2158	;	3309	;
2159		3310
		3311	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2163		3320
2164	if ($@) {	3321	if ($@) {
2165	warn "$@";	3322	warn "$@",
2166	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2168	}	3325	}
2169		3326
2170	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2171	}	3328	}
2172		3329
…		…
2186	=cut	3343	=cut
2187		3344
2188	sub register_script_function {	3345	sub register_script_function {
2189	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2190		3347
2191	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2193	}	3350	}
2194		3351
2195	=back	3352	=back
2196		3353
2197	=cut	3354	=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		3355
2271	#############################################################################	3356	#############################################################################
2272	# the server's init and main functions	3357	# the server's init and main functions
2273		3358
2274	sub load_faces {	3359	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3360	my ($path) = @_;
2276		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2277	warn "loading faces from $path\n";	3368	trace "loading facedata from $path\n";
2278		3369
2279	my $faces;	3370	my $facedata;
2280	0 < aio_load $path, $faces	3371	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3372	or die "$path: $!";
2282		3373
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3374	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3375
		3376	$facedata->{version} == 2
		3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
		3388	{
		3389	my $faces = $facedata->{faceinfo};
		3390
2287	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3393
		3394	cf::face::set_visibility $idx, $info->{visibility};
		3395	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2291	Coro::cede;	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3398
		3399	cf::cede_to_tick;
		3400	}
		3401
		3402	while (my ($face, $info) = each %$faces) {
		3403	next unless $info->{smooth};
		3404
		3405	my $idx = cf::face::find $face
		3406	or next;
		3407
		3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
		3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3411	} else {
		3412	error "smooth face '$info->{smooth}' not found for face '$face'";
		3413	}
		3414
		3415	cf::cede_to_tick;
		3416	}
		3417	}
		3418
2292	}	3419	{
		3420	my $anims = $facedata->{animinfo};
		3421
		3422	while (my ($anim, $info) = each %$anims) {
		3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3424	cf::cede_to_tick;
		3425	}
		3426
		3427	cf::anim::invalidate_all; # d'oh
		3428	}
		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2293		3448
2294	1	3449	1
2295	}	3450	}
2296		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
		3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
		3475	load_resource_file "$MAPDIR/regions"
		3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
		3482	}
		3483
		3484	sub reload_facedata {
		3485	load_facedata "$DATADIR/facedata"
		3486	or die "unable to load facedata\n";
		3487	}
		3488
		3489	sub reload_archetypes {
		3490	load_resource_file "$DATADIR/archetypes"
		3491	or die "unable to load archetypes\n";
		3492	}
		3493
		3494	sub reload_treasures {
		3495	load_resource_file "$DATADIR/treasures"
		3496	or die "unable to load treasurelists\n";
		3497	}
		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
2297	sub reload_resources {	3522	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3523	trace "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	3524
2300	load_faces	3525	reload_facedata;
2301	or die "unable to load faces\n";#d#	3526	reload_sound;
2302	}	3527	reload_archetypes;
2303
2304	sub init {
2305	reload_resources;	3528	reload_regions;
2306	}	3529	reload_treasures;
2307		3530
2308	sub cfg_load {	3531	trace "finished reloading resource files\n";
		3532	}
		3533
		3534	sub reload_config {
		3535	trace "reloading config file...\n";
		3536
2309	open my $fh, "<:utf8", cf::confdir . "/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2310	or return;	3538	or return;
2311		3539
2312	local $/;	3540	local $/;
2313	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2314		3542
2315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2316		3544
2317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$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};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2319		3547
2320	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2322	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2323	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2324	};	3552	};
2325	warn $@ if $@;	3553	warn $@ if $@;
2326	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2327	}	3585	}
2328		3586
2329	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2330	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2331	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2333	(async {	3600	(async {
2334	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2335	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2336	};	3604	};
2337		3605
2338	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
2339	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2340	load_extensions;	3629	load_extensions;
2341		3630
2342	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2343	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2344	}	3644	}
2345		3645
2346	#############################################################################	3646	#############################################################################
2347	# initialisation and cleanup	3647	# initialisation and cleanup
2348		3648
2349	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2350	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2351	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2352	Event->signal (	3653	$SIGWATCHER{$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";	3654	cf::cleanup "SIG$signal";
2359	},
2360	);	3655	};
		3656	}
		3657	}
		3658
		3659	sub write_runtime_sync {
		3660	my $t0 = AE::time;
		3661
		3662	# first touch the runtime file to show we are still running:
		3663	# the fsync below can take a very very long time.
		3664
		3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3666
		3667	my $guard = cf::lock_acquire "write_runtime";
		3668
		3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3670	or return;
		3671
		3672	my $value = $cf::RUNTIME + 90 + 10;
		3673	# 10 is the runtime save interval, for a monotonic clock
		3674	# 60 allows for the watchdog to kill the server.
		3675
		3676	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3677	and return;
		3678
		3679	# always fsync - this file is important
		3680	aio_fsync $fh
		3681	and return;
		3682
		3683	# touch it again to show we are up-to-date
		3684	aio_utime $fh, undef, undef;
		3685
		3686	close $fh
		3687	or return;
		3688
		3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3690	and return;
		3691
		3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3693
2361	}	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2362	}	3745	}
2363		3746
2364	sub emergency_save() {	3747	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2366		3749
2367	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2368		3751
2369	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2370	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2371	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2372	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2373	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2374	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2375	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2376	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2377	$pl->save;	3766	$pl->save;
2378	}	3767	}
2379	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2380		3769
2381	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2382	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2383	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2384	$map->valid or next;	3773	$map->valid or next;
2385	$map->save;	3774	$map->save;
2386	}	3775	}
2387	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2388		3777
2389	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2390	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2391	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2392	};	3785	};
2393		3786
2394	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
2395	}	3793	}
2396		3794
2397	sub post_cleanup {	3795	sub post_cleanup {
2398	my ($make_core) = @_;	3796	my ($make_core) = @_;
2399		3797
2400	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3799	if $make_core;
2402	}
2403		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
		3828	}
		3829
2404	sub reload() {	3830	sub do_reload_perl() {
2405	# can/must only be called in main	3831	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2407	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2408	return;	3834	return;
2409	}	3835	}
2410		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2411	warn "reloading...";	3842	info "reloading...";
2412		3843
2413	warn "entering sync_job";	3844	trace "entering sync_job";
2414		3845
2415	cf::sync_job {	3846	cf::sync_job {
2416	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2417	cf::emergency_save;	3848	cf::emergency_save;
2418	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2419		3850
2420	warn "syncing database to disk";	3851	trace "syncing database to disk";
2421	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2422		3853
2423	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2424		3855
2425	warn "cancelling all WF_AUTOCANCEL watchers";
2426	for (Event::all_watchers) {
2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2428	}
2429
2430	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2431	for (;;) {
2432	BDB::flush;
2433	IO::AIO::flush;
2434	Coro::cede;
2435	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2436	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2437	}
2438
2439	++$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	}	3859	}
2461		3860
2462	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2463	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2464	}	3863	%EXT_CORO = ();
2465		3864
2466	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2467	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2469		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2470	warn "... unloading $k";	3874	trace "... unloading $pkg";
2471	delete $INC{$k};
2472		3875
2473	$k =~ s/\.pm$//;
2474	$k =~ s/\//::/g;
2475
2476	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2477	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2478	}	3885	}
2479		3886
2480	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
2481	}	3902	}
2482		3903
2483	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2484	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2486		3907
2487	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
		3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2489		3911
2490	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2491	# and global variables created in xs	3913	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2493		3915
2494	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
2495		3917
2496	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2497	require cf;	3919	require cf;
2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2499		3921
2500	warn "loading config and database again";	3922	trace "loading config and database again";
2501	cf::cfg_load;	3923	cf::reload_config;
2502		3924
2503	warn "loading extensions";	3925	trace "loading extensions";
2504	cf::load_extensions;	3926	cf::load_extensions;
2505		3927
		3928	if ($REATTACH_ON_RELOAD) {
2506	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
2507	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
2508	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
2509	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
2512		3936
2513	warn "loading reloadable resources";	3937	trace "running post_init jobs";
2514	reload_resources;	3938	(pop @POST_INIT)->(1) while @POST_INIT;
2515		3939
2516	warn "leaving sync_job";	3940	trace "leaving sync_job";
2517		3941
2518	1	3942	1
2519	} or do {	3943	} or do {
2520	warn $@;	3944	error $@;
2521	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
2522	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
		3950	}
		3951
		3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
		3954	};
		3955
		3956	our $RELOAD_WATCHER; # used only during reload
		3957
		3958	sub reload_perl() {
		3959	# doing reload synchronously and two reloads happen back-to-back,
		3960	# coro crashes during coro_state_free->destroy here.
		3961
		3962	$RELOAD_WATCHER ||= cf::async {
		3963	Coro::AIO::aio_wait cache_extensions;
		3964
		3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3966	do_reload_perl;
		3967	undef $RELOAD_WATCHER;
		3968	};
2523	};	3969	};
2524		3970	}
2525	warn "reloaded";
2526	};
2527
2528	our $RELOAD_WATCHER; # used only during reload
2529		3971
2530	register_command "reload" => sub {	3972	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2532		3974
2533	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
2535		3977	async {
2536	# doing reload synchronously and two reloads happen back-to-back,	3978	$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;	3979	reload_perl;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);	3980	};
2548	}	3981	}
2549	};	3982	};
2550		3983
2551	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2552		3985
2553	my $bug_warning = 0;	3986	my $bug_warning = 0;
2554		3987
2555	$TICK_WATCHER = Event->timer (	3988	our @WAIT_FOR_TICK;
2556	reentrant => 0,	3989	our @WAIT_FOR_TICK_BEGIN;
2557	parked => 1,	3990
2558	prio => 0,	3991	sub wait_for_tick {
2559	at => $NEXT_TICK || $TICK,	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2560	data => WF_AUTOCANCEL,	3993
2561	cb => sub {	3994	my $signal = new Coro::Signal;
		3995	push @WAIT_FOR_TICK, $signal;
		3996	$signal->wait;
		3997	}
		3998
		3999	sub wait_for_tick_begin {
		4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4001
		4002	my $signal = new Coro::Signal;
		4003	push @WAIT_FOR_TICK_BEGIN, $signal;
		4004	$signal->wait;
		4005	}
		4006
		4007	sub tick {
2562	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
2565	return;	4011	return;
2566	}	4012	}
2567		4013
2568	$NOW = Event::time;
2569
2570	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2571	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;
2573		4015
		4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4017
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2576	Coro::async_pool {	4020	Coro::async_pool {
		4021	$Coro::current->{desc} = "runtime saver";
2577	write_runtime	4022	write_runtime_sync
2578	or warn "ERROR: unable to write runtime file: $!";	4023	or error "ERROR: unable to write runtime file: $!";
2579	};
2580	}	4024	};
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	},	4025	}
2594	);	4026
		4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4028	$sig->send;
		4029	}
		4030	while (my $sig = shift @WAIT_FOR_TICK) {
		4031	$sig->send;
		4032	}
		4033
		4034	$LOAD = ($NOW - $TICK_START) / $TICK;
		4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4036
		4037	if (0) {
		4038	if ($NEXT_TICK) {
		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
		4043	}
		4044	}
2595		4045
2596	{	4046	{
2597	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
2598	$BDB_POLL_WATCHER = Event->io (	4048
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;	4049	BDB::min_parallel 16;
2607		4050	BDB::max_poll_reqs $TICK * 0.1;
2608	BDB::set_sync_prepare {	4051	$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	$! = $status;
2619	},
2620	)
2621	};
2622		4052
2623	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
2624	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2625		4060
2626	cf::sync_job {	4061	cf::sync_job {
2627	eval {	4062	eval {
2628	BDB::db_env_open	4063	BDB::db_env_open
2629	$DB_ENV,	4064	$DB_ENV,
2630	$BDB_ENV_DIR,	4065	$BDBDIR,
2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4066	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4067	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	4068	0666;
2634		4069
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4070	cf::cleanup "db_env_open($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	};	4071	};
2640		4072
2641	cf::cleanup "db_env_open(db): $@" if $@;	4073	cf::cleanup "db_env_open(db): $@" if $@;
2642	};	4074	};
2643	}	4075	}
		4076
		4077	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4078	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4079	};
		4080	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4081	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4082	};
		4083	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4084	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4085	};
2644	}	4086	}
2645		4087
2646	{	4088	{
		4089	# configure IO::AIO
		4090
2647	IO::AIO::min_parallel 8;	4091	IO::AIO::min_parallel 8;
2648
2649	undef $Coro::AIO::WATCHER;
2650	IO::AIO::max_poll_time $TICK * 0.1;	4092	IO::AIO::max_poll_time $TICK * 0.1;
2651	$AIO_POLL_WATCHER = Event->io (	4093	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	}	4094	}
		4095
		4096	my $_log_backtrace;
		4097
		4098	sub _log_backtrace {
		4099	my ($msg, @addr) = @_;
		4100
		4101	$msg =~ s/\n//;
		4102
		4103	# limit the # of concurrent backtraces
		4104	if ($_log_backtrace < 2) {
		4105	++$_log_backtrace;
		4106	my $perl_bt = Carp::longmess $msg;
		4107	async {
		4108	$Coro::current->{desc} = "abt $msg";
		4109
		4110	my @bt = fork_call {
		4111	@addr = map { sprintf "%x", $_ } @addr;
		4112	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4113	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4114	or die "addr2line: $!";
		4115
		4116	my @funcs;
		4117	my @res = <$fh>;
		4118	chomp for @res;
		4119	while (@res) {
		4120	my ($func, $line) = splice @res, 0, 2, ();
		4121	push @funcs, "[$func] $line";
		4122	}
		4123
		4124	@funcs
		4125	};
		4126
		4127	LOG llevInfo, "[ABT] $perl_bt\n";
		4128	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4129	LOG llevInfo, "[ABT] $_\n" for @bt;
		4130	--$_log_backtrace;
		4131	};
		4132	} else {
		4133	LOG llevInfo, "[ABT] $msg\n";
		4134	LOG llevInfo, "[ABT] [suppressed]\n";
		4135	}
		4136	}
		4137
		4138	# load additional modules
		4139	require "cf/$_.pm" for @EXTRA_MODULES;
		4140	cf::_connect_to_perl_2;
2660		4141
2661	END { cf::emergency_save }	4142	END { cf::emergency_save }
2662		4143
2663	1	4144	1
2664		4145

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