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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.226 by root, Wed Mar 14 04:12:29 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use IO::AIO 2.32 ();
27	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
30		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
33	$Event::Eval = 1; # no idea why this is required, but it is	75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
34		78
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	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		80
42	our %COMMAND = ();	81	our %COMMAND = ();
43	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
44		83
45	our @EXTS = (); # list of extension package names	84	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
49		89
50	our $RELOAD; # number of reloads so far	90	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	91	our @EVENT;
52	our $LIBDIR = datadir . "/ext";	92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
53		94
54	our $TICK = MAX_TIME * 1e-6;	95	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	96	our $DATADIR = datadir;
56	our $AIO_POLL_WATCHER;	97	our $LIBDIR = "$DATADIR/ext";
		98	our $PODDIR = "$DATADIR/pod";
		99	our $MAPDIR = "$DATADIR/" . mapdir;
		100	our $LOCALDIR = localdir;
		101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		104	our $RANDOMDIR = "$LOCALDIR/random";
		105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
		116
		117	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	119	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
61		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
64		128
65	our %CFG;	129	our %CFG;
66		130
67	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
69		134
70	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	137	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		138
79	# used to convert map paths into valid unix filenames by replacing / by ∕	139	# used to convert map paths into valid unix filenames by replacing / by ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		141
		142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
		145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
		151
82	binmode STDOUT;	152	binmode STDOUT;
83	binmode STDERR;	153	binmode STDERR;
84		154
85	# read virtual server time, if available	155	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	157	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
90	}	160	}
91		161
92	mkdir cf::localdir;	162	eval "sub TICK() { $TICK } 1" or die;
93	mkdir cf::localdir . "/" . cf::playerdir;	163
94	mkdir cf::localdir . "/" . cf::tmpdir;	164	mkdir $_
95	mkdir cf::localdir . "/" . cf::uniquedir;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		166
99	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
100		168
101	sub cf::map::normalise;	169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
102		185
103	#############################################################################	186	#############################################################################
104		187
105	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
106		189
…		…
113	=item $cf::RUNTIME	196	=item $cf::RUNTIME
114		197
115	The time this server has run, starts at 0 and is increased by $cf::TICK on	198	The time this server has run, starts at 0 and is increased by $cf::TICK on
116	every server tick.	199	every server tick.
117		200
118	=item $cf::LIBDIR	201	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		202	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		203	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
119		204
120	The perl library directory, where extensions and cf-specific modules can	205	Various directories - "/etc", read-only install directory, perl-library
121	be found. It will be added to C<@INC> automatically.	206	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		207	unique-items directory, player file directory, random maps directory and
		208	database environment.
122		209
123	=item $cf::NOW	210	=item $cf::NOW
124		211
125	The time of the last (current) server tick.	212	The time of the last (current) server tick.
126		213
127	=item $cf::TICK	214	=item $cf::TICK
128		215
129	The interval between server ticks, in seconds.	216	The interval between server ticks, in seconds.
130		217
		218	=item $cf::LOADAVG
		219
		220	The current CPU load on the server (alpha-smoothed), as a value between 0
		221	(none) and 1 (overloaded), indicating how much time is spent on processing
		222	objects per tick. Healthy values are < 0.5.
		223
		224	=item $cf::LOAD
		225
		226	The raw value load value from the last tick.
		227
131	=item %cf::CFG	228	=item %cf::CFG
132		229
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	231	from wherever your confdir points to.
135		232
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		234
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	235	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	236	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	237	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.	238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
142		250
143	=back	251	=back
144		252
145	=cut	253	=cut
146		254
147	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
148	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
149	my $msg = join "", @_;	262	my $msg = join "", @_;
150	utf8::encode $msg;
151		263
152	$msg .= "\n"	264	$msg .= "\n"
153	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
154		266
		267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		268
155	LOG llevError, $msg;	269	LOG llevWarn, $msg;
156	};	270	};
157	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
158		285
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	290	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		291	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	292	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165		293
166	# we bless all objects into (empty) derived classes to force a method lookup	294	# we bless all objects into (empty) derived classes to force a method lookup
167	# within the Safe compartment.	295	# within the Safe compartment.
168	for my $pkg (qw(	296	for my $pkg (qw(
169	cf::global cf::attachable	297	cf::global cf::attachable
170	cf::object cf::object::player	298	cf::object cf::object::player
171	cf::client cf::player	299	cf::client cf::player
172	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
173	cf::map cf::party cf::region	302	cf::party cf::region
174	)) {	303	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	305	}
178		306
179	$Event::DIED = sub {	307	$EV::DIED = sub {
180	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
181	};	309	};
		310
		311	#############################################################################
182		312
183	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
184		314
185	=over 4	315	=over 4
186		316
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	336	$d
207	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
208	}	338	}
209		339
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
213		341
214	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
215		343
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
224		345
225	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
226		347
227	=cut	348	=cut
228		349
229	sub to_json($) {	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	351
231	JSON::Syck::Dump $_[0]	352	sub encode_json($) { $json_coder->encode ($_[0]) }
		353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
232	}	367	}
233		368
234	=item cf::lock_wait $string	369	=item cf::lock_wait $string
235		370
236	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
237		372
238	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
239		374
240	Wait until the given lock is available and then acquires it and returns	375	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,	376	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	377	for example when the coroutine gets canceled), the lock is automatically
243	returned.	378	returned.
244		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
245	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
247		385
248	=cut	386	=item $locked = cf::lock_active $string
249		387
250	our %LOCK;	388	Return true if the lock is currently active, i.e. somebody has locked it.
		389
		390	=cut
		391
		392	our $LOCKS = new Coro::SemaphoreSet;
251		393
252	sub lock_wait($) {	394	sub lock_wait($) {
253	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	396	}
261		397
262	sub lock_acquire($) {	398	sub lock_acquire($) {
263	my ($key) = @_;	399	$LOCKS->guard ($_[0])
		400	}
264		401
265	# wait, to be sure we are not locked	402	sub lock_active($) {
266	lock_wait $key;	403	$LOCKS->count ($_[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	}	404	}
275		405
276	sub freeze_mainloop {	406	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
278		408
279	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
280	$TICK_WATCHER->start;	410	}
		411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
281	};	476	}
282	$TICK_WATCHER->stop;	477	};
283	$guard	478
		479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
284	}	492	}
285		493
286	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
287		495
288	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		501
294	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
295		503
296	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
297		505
298	The design of crossfire+ requires that the main coro ($Coro::main) is	506	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	507	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		509	acceptable.
301		510
302	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	513	server will be frozen during this time, so the block should either finish
305	fast or be very important.	514	fast or be very important.
…		…
307	=cut	516	=cut
308		517
309	sub sync_job(&) {	518	sub sync_job(&) {
310	my ($job) = @_;	519	my ($job) = @_;
311		520
312	if ($Coro::current == $Coro::main) {	521	if (in_main) {
		522	my $time = AE::time;
		523
313	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
315		526
316	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	528
318	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
319		530
320	my $busy = 1;	531	my $busy = 1;
321	my @res;	532	my @res;
322		533
323	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	536	@res = eval { $job->() };
325	warn $@ if $@;	537	error $@ if $@;
326	undef $busy;	538	undef $busy;
327	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
328		540
329	while ($busy) {	541	while ($busy) {
330	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
331	}	546	}
		547	}
		548
		549	my $time = AE::time - $time;
		550
		551	$TICK_START += $time; # do not account sync jobs to server load
332		552
333	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
334	} else {	554	} else {
335	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
336		556
…		…
356	$EXT_CORO{$coro+0} = $coro;	576	$EXT_CORO{$coro+0} = $coro;
357		577
358	$coro	578	$coro
359	}	579	}
360		580
361	sub write_runtime {	581	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		582
364	my $runtime = cf::localdir . "/runtime";	583	Executes the given code block with the given arguments in a seperate
		584	process, returning the results. Everything must be serialisable with
		585	Coro::Storable. May, of course, block. Note that the executed sub may
		586	never block itself or use any form of event handling.
365		587
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	588	=cut
367	or return;
368		589
369	my $value = $cf::RUNTIME + 90 + 10;	590	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	591	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		592
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	593	# we seemingly have to make a local copy of the whole thing,
374	and return;	594	# otherwise perl prematurely frees the stuff :/
		595	# TODO: investigate and fix (likely this will be rather laborious)
375		596
376	# always fsync - this file is important	597	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	598	reset_signals;
378	and return;	599	&$cb
		600	}, @args;
379		601
380	close $fh	602	wantarray ? @res : $res[-1]
381	or return;	603	}
382		604
383	aio_rename "$runtime~", $runtime	605	sub objinfo {
384	and return;
385
386	1	606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
		641	}
		642
		643	=item $value = cf::db_get $family => $key
		644
		645	Returns a single value from the environment database.
		646
		647	=item cf::db_put $family => $key => $value
		648
		649	Stores the given C<$value> in the family. It can currently store binary
		650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
		657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
		678
		679	our $DB;
		680
		681	sub db_init {
		682	$DB ||= db_table "db";
		683	}
		684
		685	sub db_get($$) {
		686	my $key = "$_[0]/$_[1]";
		687
		688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
		691	BDB::db_get $DB, undef, $key, my $data;
		692
		693	$! ? ()
		694	: $data
		695	}
		696
		697	sub db_put($$$) {
		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 $pkg; use common::sense;\n"
		1427	. "#line 1 \"$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	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1457	if exists $v->{meta}{mandatory};
		1458
		1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1460	delete $todo{$k};
		1461	} else {
		1462	$done{$k} = delete $todo{$k};
		1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
		1468	}
930	1	1469	}
931	} or warn "$ext not loaded: $@";	1470
		1471	unless ($progress) {
		1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
		1479	}
932	}	1480	};
933	}	1481	}
934		1482
935	#############################################################################	1483	#############################################################################
936		1484
		1485	=back
		1486
937	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
938		1488
939	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
940		1490
941	=cut	1491	=cut
942		1492
943	package cf::player;	1493	package cf::player;
944		1494
…		…
946		1496
947	=head3 cf::player	1497	=head3 cf::player
948		1498
949	=over 4	1499	=over 4
950		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
		1514
951	=item cf::player::find $login	1515	=item cf::player::find $login
952		1516
953	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
954		1518
955	=cut	1519	=cut
956		1520
957	sub playerdir($) {	1521	sub playerdir($) {
958	cf::localdir	1522	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1523	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1524	}
964		1525
965	sub path($) {	1526	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1527	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1528
968	(playerdir $login) . "/$login.pl"	1529	(playerdir $login) . "/playerdata"
969	}	1530	}
970		1531
971	sub find_active($) {	1532	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1533	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1534	and $cf::PLAYER{$_[0]}->active
…		…
976		1537
977	sub exists($) {	1538	sub exists($) {
978	my ($login) = @_;	1539	my ($login) = @_;
979		1540
980	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
982	}	1543	}
983		1544
984	sub find($) {	1545	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1547	my $login = $_[0];
987		1548
988	my $guard = cf::lock_acquire "user_find:$login";	1549	my $guard = cf::lock_acquire "user_find:$login";
989		1550
990	$cf::PLAYER{$_[0]} || do {	1551	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1552	# rename old playerfiles to new ones
		1553	#TODO: remove when no longer required
		1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1557	aio_unlink +(playerdir $login) . "/$login.pl";
		1558
		1559	my $f = new_from_file cf::object::thawer path $login
992	or return;	1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
994	}	1568	}
995	}	1569	}
996	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
997		1584
998	sub save($) {	1585	sub save($) {
999	my ($pl) = @_;	1586	my ($pl) = @_;
1000		1587
1001	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1007		1594
1008	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1010		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
1011	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1012	Coro::cede;	1604	cf::cede_to_tick;
1013	}	1605	}
1014		1606
1015	sub new($) {	1607	sub new($) {
1016	my ($login) = @_;	1608	my ($login) = @_;
1017		1609
…		…
1023	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1024		1616
1025	$self	1617	$self
1026	}	1618	}
1027		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
1028	=item $pl->quit_character	1630	=item $pl->quit_character
1029		1631
1030	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1032		1634
…		…
1036	my ($pl) = @_;	1638	my ($pl) = @_;
1037		1639
1038	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1039		1641
1040	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1644
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1047		1650
1048	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1682	while and may block, so not sync_job-capable, ever.
1080		1683
1081	=cut	1684	=cut
1082		1685
1083	sub list_logins {	1686	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1687	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1688	or return [];
1086		1689
1087	my @logins;	1690	my @logins;
1088		1691
1089	for my $login (@$dirs) {	1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1093		1702
1094	utf8::decode $login;	1703	utf8::decode $login;
1095	push @logins, $login;	1704	push @logins, $login;
1096	}	1705	}
1097		1706
1098	\@logins	1707	\@logins
1099	}	1708	}
1100		1709
1101	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1102		1713
1103	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1104	player. May block.	1715	player. May block.
1105		1716
1106	=cut	1717	=cut
…		…
1124	}	1735	}
1125		1736
1126	\@paths	1737	\@paths
1127	}	1738	}
1128		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1130		1745
1131	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1132		1747
1133	=cut	1748	=cut
1134		1749
1135	sub ext_reply($$$%) {	1750	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1137		1752
1138	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1754	}
1142		1755
1143	package cf;	1756	=item $player->ext_msg ($type, @msg)
		1757
		1758	Sends an ext event to the client.
		1759
		1760	=cut
		1761
		1762	sub ext_msg($$@) {
		1763	my ($self, $type, @msg) = @_;
		1764
		1765	$self->ns->ext_msg ($type, @msg);
		1766	}
		1767
		1768	=head3 cf::region
		1769
		1770	=over 4
		1771
		1772	=cut
		1773
		1774	package cf::region;
		1775
		1776	=item cf::region::find_by_path $path
		1777
		1778	Tries to decuce the likely region for a map knowing only its path.
		1779
		1780	=cut
		1781
		1782	sub find_by_path($) {
		1783	my ($path) = @_;
		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
		1787	my ($match, $specificity);
		1788
		1789	for my $region (list) {
		1790	if ($region->{match} && $path =~ $region->{match}) {
		1791	($match, $specificity) = ($region, $region->specificity)
		1792	if $region->specificity > $specificity;
		1793	}
		1794	}
		1795
		1796	$match
		1797	}
1144		1798
1145	=back	1799	=back
1146
1147		1800
1148	=head3 cf::map	1801	=head3 cf::map
1149		1802
1150	=over 4	1803	=over 4
1151		1804
…		…
1163	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1165		1818
1166	sub generate_random_map {	1819	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1823
1168	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1825	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1191		1847
1192	sub register {	1848	sub register {
1193	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1194	my $pkg = caller;	1850	my $pkg = caller;
1195		1851
1196	no strict;
1197	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
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
1508	sub find_sync {	2192	sub find_sync {
1509	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1510		2194
1511	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1512	}	2199	}
1513		2200
1514	sub do_load_sync {	2201	sub do_load_sync {
1515	my ($map) = @_;	2202	my ($map) = @_;
1516		2203
1517	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
1518	}	2208	}
1519		2209
1520	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1522		2212
1523	sub find_async {	2213	sub find_async {
1524	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1525		2215
1526	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1527		2217
1528	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2220	}
1531		2221
1532	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1533	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1534	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2229	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2230	$map->load if $v;
		2231	}
1539		2232
1540	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1541	}	2234	}
1542	}	2235	}
1543	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1544	};	2237	};
1545	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1546		2239
1547	()	2240	()
1548	}	2241	}
1549		2242
		2243	# common code, used by both ->save and ->swapout
1550	sub save {	2244	sub _save {
1551	my ($self) = @_;	2245	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2246
1555	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1556		2248
1557	return unless $self->dirty;	2249	return unless $self->dirty;
1558		2250
…		…
1564	return if $self->{deny_save};	2256	return if $self->{deny_save};
1565		2257
1566	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1567		2259
1568	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1570	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1571		2266
1572	if ($uniq) {	2267	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2270	} else {
1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1577	}	2272	}
1578	}	2273	}
1579		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1580	sub swap_out {	2283	sub swap_out {
1581	my ($self) = @_;	2284	my ($self) = @_;
1582		2285
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1588	return if $self->players;	2290	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
1592	$self->clear;	2301	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2302	}
1595		2303
1596	sub reset_at {	2304	sub reset_at {
1597	my ($self) = @_;	2305	my ($self) = @_;
1598		2306
1599	# TODO: safety, remove and allow resettable per-player maps	2307	# 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};	2308	return 1e99 if $self->{deny_reset};
1602		2309
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2310	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2311	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2312
…		…
1616	my ($self) = @_;	2323	my ($self) = @_;
1617		2324
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2326
1620	return if $self->players;	2327	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2328
1623	warn "resetting map ", $self->path;#d#	2329	cf::trace "resetting map ", $self->path, "\n";
1624		2330
1625	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
1626		2332
1627	# need to save uniques path	2333	# need to save uniques path
1628	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2338	if $uniq;
1633	}	2339	}
1634		2340
1635	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1636		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2345	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2346
1641	$self->unlink_save;	2347	$self->unlink_save;
1642	$self->destroy;	2348	$self->destroy;
1643	}	2349	}
1644		2350
1645	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1646		2352
1647	sub nuke {	2353	sub nuke {
1648	my ($self) = @_;	2354	my ($self) = @_;
1649		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1650	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1651		2360
1652	$self->unlink_save;	2361	$self->unlink_save;
1653		2362
1654	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2368
1660	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1661		2371
1662	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
		2373	}
		2374
		2375	=item $maps = cf::map::tmp_maps
		2376
		2377	Returns an arrayref with all map paths of currently instantiated and saved
		2378	maps. May block.
		2379
		2380	=cut
		2381
		2382	sub tmp_maps() {
		2383	[
		2384	map {
		2385	utf8::decode $_;
		2386	/\.map$/
		2387	? normalise $_
		2388	: ()
		2389	} @{ aio_readdir $TMPDIR or [] }
		2390	]
		2391	}
		2392
		2393	=item $maps = cf::map::random_maps
		2394
		2395	Returns an arrayref with all map paths of currently instantiated and saved
		2396	random maps. May block.
		2397
		2398	=cut
		2399
		2400	sub random_maps() {
		2401	[
		2402	map {
		2403	utf8::decode $_;
		2404	/\.map$/
		2405	? normalise "?random/$_"
		2406	: ()
		2407	} @{ aio_readdir $RANDOMDIR or [] }
		2408	]
1663	}	2409	}
1664		2410
1665	=item cf::map::unique_maps	2411	=item cf::map::unique_maps
1666		2412
1667	Returns an arrayref of paths of all shared maps that have	2413	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2414	instantiated unique items. May block.
1669		2415
1670	=cut	2416	=cut
1671		2417
1672	sub unique_maps() {	2418	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2419	[
1674	or return;	2420	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2421	utf8::decode $_;
1680	next if /\.pst$/;	2422	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2424	? ()
1683	push @paths, cf::map::normalise $_;	2425	: normalise $_
		2426	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2427	]
1685
1686	\@paths
1687	}	2428	}
1688		2429
1689	package cf;	2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
		2451	s/\.map$// or next;
		2452	utf8::decode $_;
		2453	push @maps, "$dir/$_";
		2454	}
		2455
		2456	push @dirs, map "$dir/$_", @$dirs;
		2457	}
		2458
		2459	\@maps
		2460	}
1690		2461
1691	=back	2462	=back
1692		2463
1693	=head3 cf::object	2464	=head3 cf::object
1694		2465
…		…
1698		2469
1699	=over 4	2470	=over 4
1700		2471
1701	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
1702		2473
1703	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
1704		2476
1705	=cut	2477	=cut
1706		2478
1707	sub inv_recursive_;	2479	sub inv_recursive_;
1708	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
1711		2483
1712	sub inv_recursive {	2484	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
1714	}	2486	}
1715		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
		2514	}
		2515
1716	package cf;	2516	package cf;
1717		2517
1718	=back	2518	=back
1719		2519
1720	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	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	2527	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1729		2529
1730	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
1731		2545
1732	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2547	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1737		2551
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2553
1740	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1742	} else {	2557	} else {
		2558	my $pl = $self->contr;
		2559
		2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2561	my $dialog = $pl->{npc_dialog};
		2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2563
		2564	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1745	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
1746	}	2579	}
1747		2580
1748	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1749		2582
1750	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1763		2596
1764	=item $player_object->enter_link	2597	=item $player_object->enter_link
1765		2598
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2600
1768	The player should be reasonably safe there for short amounts of time. You	2601	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.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
1770		2605
1771	Will never block.	2606	Will never block.
1772		2607
1773	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1774		2609
…		…
1794	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2630	my ($self) = @_;
1796		2631
1797	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1798		2633
		2634	++$self->{_link_recursion};
		2635
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2637
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2639	if $self->map && $self->map->{path} ne "{link}";
1803		2640
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2642	}
1806		2643
1807	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
		2646
		2647	return unless $self->contr->active;
1809		2648
1810	my $link_pos = delete $self->{_link_pos};	2649	my $link_pos = delete $self->{_link_pos};
1811		2650
1812	unless ($map) {	2651	unless ($map) {
1813	# restore original map position	2652	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
1826		2665
1827	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
1830		2669
1831	$map->load;	2670	$map->load;
1832	$map->load_diag;	2671	$map->load_neighbours;
1833		2672
1834	return unless $self->contr->active;	2673	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2674
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
1839	}	2677	# entering was successful
1840		2678	delete $self->{_link_recursion};
1841	cf::player->attach (	2679	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2680	$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	},	2681	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2682
1855	# try to abort aborted map switching on player login :)	2683	}
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		2684
1873	=item $player_object->goto ($path, $x, $y)	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		2686
		2687	Moves the player to the given map-path and coordinates by first freezing
		2688	her, loading and preparing them map, calling the provided $check callback
		2689	that has to return the map if sucecssful, and then unfreezes the player on
		2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
		2695
1875	=cut	2696	=cut
		2697
		2698	our $GOTOGEN;
1876		2699
1877	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
		2708
		2709	# do generation counting so two concurrent goto's will be executed in-order
		2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2711
1880	$self->enter_link;	2712	$self->enter_link;
1881		2713
1882	(async {	2714	(async {
		2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
1883	my $map = eval {	2736	my $map = eval {
1884	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
		2738
		2739	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2740	$map = $map->customise_for ($self);
		2741	$map = $check->($map, $x, $y, $self) if $check && $map;
		2742	} else {
		2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2744	}
		2745
1886	$map	2746	$map
		2747	};
		2748
		2749	if ($@) {
		2750	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2751	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2752	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2753
		2754	if ($gen == $self->{_goto_generation}) {
		2755	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
		2757	}
		2758
		2759	$done->($self) if $done;
1891	})->prio (1);	2760	})->prio (1);
1892	}	2761	}
1893		2762
1894	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
1895		2764
…		…
1915	}	2784	}
1916		2785
1917	sub prepare_random_map {	2786	sub prepare_random_map {
1918	my ($exit) = @_;	2787	my ($exit) = @_;
1919		2788
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2791	# that depends on the exit object
1925		2792
1926	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2795	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
1933	}	2802	}
1934		2803
1935	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
1936		2805
1937	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
1940		2809
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2812	undef $fh;
1944	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
1945		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
1948	}	2821	}
1949	}	2822	}
1950		2823
1951	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
1953		2826
1954	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
1955		2828
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;	2829	$self->enter_link;
1966		2830
1967	(async {	2831	(async {
1968	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
1969	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
		2841	prepare_random_map $exit
		2842	if $exit->slaying eq "/!";
		2843	}
		2844
		2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
		2848
1970	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
1971		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
1972	1;	2855	1
1973	}) {	2856	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2861
1979	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	2863	$self->leave_link;
1981	}	2864	}
1982	})->prio (1);	2865	})->prio (1);
1983	}	2866	}
1984		2867
…		…
1998		2881
1999	utf8::encode $text;	2882	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2884	}
2002		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
		2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2912
		2913	Send a drawinfo or msg packet to the client, formatting the msg for the
		2914	client if neccessary. C<$type> should be a string identifying the type of
		2915	the message, with C<log> being the default. If C<$color> is negative, suppress
		2916	the message unless the client supports the msg packet.
		2917
		2918	=cut
		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
		3034	sub cf::client::send_msg {
		3035	my ($self, $channel, $msg, $color, @extra) = @_;
		3036
		3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
		3058
		3059	return unless @extra || length $msg;
		3060
		3061	# default colour, mask it out
		3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3063	if $color & cf::NDI_DEF;
		3064
		3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
		3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3068	);
		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
		3073	=item $client->ext_msg ($type, @msg)
		3074
		3075	Sends an ext event to the client.
		3076
		3077	=cut
		3078
		3079	sub cf::client::ext_msg($$@) {
		3080	my ($self, $type, @msg) = @_;
		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
		3085	push @msg, msgtype => "event_$type";
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
		3106	}
2003		3107
2004	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2005		3109
2006	Queues a query to the client, calling the given callback with	3110	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>,	3111	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>.	3112	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3113
2010	Queries can fail, so check the return code. Or don't, as queries will become	3114	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3115	become reliable at some point in the future.
2012		3116
2013	=cut	3117	=cut
2014		3118
2015	sub cf::client::query {	3119	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3128	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3130
2027	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
2029	}	3135	}
2030		3136
2031	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
2032	on_reply => sub {	3143	on_reply => sub {
2033	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
2034		3145
2035	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
2036	# get handled first	3147	# get handled first
…		…
2048	} else {	3159	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3161	}
2051	}	3162	}
2052	},	3163	},
		3164	on_exticmd => sub {
		3165	my ($ns, $buf) = @_;
		3166
		3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3168
		3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
		3177	if (my $cb = $EXTICMD{$type}) {
		3178	@reply = $cb->($ns, @payload);
		3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
		3184	} else {
		3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3186	}
		3187
		3188	cf::override;
		3189	},
2053	);	3190	);
2054		3191
2055	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
2056		3193
2057	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3210
2074	$coro	3211	$coro
2075	}	3212	}
2076		3213
2077	cf::client->attach (	3214	cf::client->attach (
2078	on_destroy => sub {	3215	on_client_destroy => sub {
2079	my ($ns) = @_;	3216	my ($ns) = @_;
2080		3217
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3219	},
2083	);	3220	);
…		…
2098	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2100		3237
2101	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2102		3239
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2104		3245
2105	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2106		3247
2107	=pod	3248	=pod
2108		3249
2109	The following fucntions and emthods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2110		3251
2111	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
2112	cf::object::player player	3257	cf::object::player
2113	cf::player peaceful	3258	player
2114	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2115		3265
2116	=cut	3266	=cut
2117		3267
2118	for (	3268	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2123	) {	3275	) {
2124	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2127	for @funs;	3278	for @funs;
2128	}	3279	}
2129		3280
…		…
2144		3295
2145	my $qcode = $code;	3296	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2148		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2149	local $_;	3303	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3304
2152	my $eval =	3305	my $eval =
2153	"do {\n"	3306	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3309	. $code
2157	. "\n}"	3310	. "\n}"
2158	;	3311	;
2159		3312
		3313	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2163		3322
2164	if ($@) {	3323	if ($@) {
2165	warn "$@";	3324	warn "$@",
2166	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2168	}	3327	}
2169		3328
2170	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2171	}	3330	}
2172		3331
…		…
2186	=cut	3345	=cut
2187		3346
2188	sub register_script_function {	3347	sub register_script_function {
2189	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2190		3349
2191	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2193	}	3352	}
2194		3353
2195	=back	3354	=back
2196		3355
2197	=cut	3356	=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		3357
2271	#############################################################################	3358	#############################################################################
2272	# the server's init and main functions	3359	# the server's init and main functions
2273		3360
2274	sub load_faces {	3361	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3362	my ($path) = @_;
2276		3363
		3364	# HACK to clear player env face cache, we need some signal framework
		3365	# for this (global event?)
		3366	%ext::player_env::MUSIC_FACE_CACHE = ();
		3367
		3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3369
2277	warn "loading faces from $path\n";	3370	trace "loading facedata from $path\n";
2278		3371
2279	my $faces;	3372	my $facedata;
2280	0 < aio_load $path, $faces	3373	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3374	or die "$path: $!";
2282		3375
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3376	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3377
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3378	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		3380
		3381	# patch in the exptable
		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3383	$facedata->{resource}{"res/exp_table"} = {
		3384	type => FT_RSRC,
		3385	data => $exp_table,
		3386	hash => (Digest::MD5::md5 $exp_table),
		3387	};
		3388	cf::cede_to_tick;
		3389
		3390	{
		3391	my $faces = $facedata->{faceinfo};
		3392
2291	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3395
		3396	cf::face::set_visibility $idx, $info->{visibility};
		3397	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2295	Coro::cede;	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2296	}
2297		3400
		3401	cf::cede_to_tick;
		3402	}
		3403
2298	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2299	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2300	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
		3408	or next;
		3409
		3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
		3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3413	} else {
		3414	error "smooth face '$info->{smooth}' not found for face '$face'";
		3415	}
		3416
		3417	cf::cede_to_tick;
		3418	}
		3419	}
		3420
		3421	{
		3422	my $anims = $facedata->{animinfo};
		3423
		3424	while (my ($anim, $info) = each %$anims) {
		3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3426	cf::cede_to_tick;
		3427	}
		3428
		3429	cf::anim::invalidate_all; # d'oh
		3430	}
		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
		3451	1
		3452	}
		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
		3462	sub load_resource_file($) {
		3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
		3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
		3477	load_resource_file "$MAPDIR/regions"
		3478	or die "unable to load regions file\n";
		3479
		3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
		3484	}
		3485
		3486	sub reload_facedata {
		3487	load_facedata "$DATADIR/facedata"
		3488	or die "unable to load facedata\n";
		3489	}
		3490
		3491	sub reload_archetypes {
		3492	load_resource_file "$DATADIR/archetypes"
		3493	or die "unable to load archetypes\n";
		3494	}
		3495
		3496	sub reload_treasures {
		3497	load_resource_file "$DATADIR/treasures"
		3498	or die "unable to load treasurelists\n";
		3499	}
		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
2301	or next;	3511	or next;
2302	if (my $smooth = cf::face::find $info->{smooth}) {
2303	cf::face::set_smooth $idx, $smooth;
2304	} else {
2305	warn "smooth face '$info->{smooth}' not found for face '$face'";
2306	}
2307	Coro::cede;
2308	}
2309		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2310	1	3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
2311	}	3522	}
2312		3523
2313	sub reload_resources {	3524	sub reload_resources {
2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3525	trace "reloading resource files...\n";
2315	or die "unable to load regions file\n";#d#	3526
2316	load_faces	3527	reload_facedata;
2317	or die "unable to load faces\n";#d#	3528	reload_sound;
2318	}	3529	reload_archetypes;
2319
2320	sub init {
2321	reload_resources;	3530	reload_regions;
2322	}	3531	reload_treasures;
2323		3532
2324	sub cfg_load {	3533	trace "finished reloading resource files\n";
		3534	}
		3535
		3536	sub reload_config {
		3537	trace "reloading config file...\n";
		3538
2325	open my $fh, "<:utf8", cf::confdir . "/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2326	or return;	3540	or return;
2327		3541
2328	local $/;	3542	local $/;
2329	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2330		3544
2331	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2332		3546
2333	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2334	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2335		3549
2336	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2338	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2339	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2340	};	3554	};
2341	warn $@ if $@;	3555	warn $@ if $@;
2342	}	3556	}
		3557
		3558	trace "finished reloading resource files\n";
		3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2343	}	3587	}
2344		3588
2345	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
2346	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2347	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2348	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2349	(async {	3602	(async {
2350	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2351	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2352	};	3606	};
2353		3607
2354	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
		3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
2355	db_init;	3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
2356	load_extensions;	3631	load_extensions;
2357		3632
2358	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2359	Event::loop;	3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
2360	}	3646	}
2361		3647
2362	#############################################################################	3648	#############################################################################
2363	# initialisation and cleanup	3649	# initialisation and cleanup
2364		3650
2365	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2366	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2367	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2368	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2369	reentrant => 0,
2370	data => WF_AUTOCANCEL,
2371	signal => $signal,
2372	prio => 0,
2373	cb => sub {
2374	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2375	},
2376	);	3657	};
		3658	}
		3659	}
		3660
		3661	sub write_runtime_sync {
		3662	my $t0 = AE::time;
		3663
		3664	# first touch the runtime file to show we are still running:
		3665	# the fsync below can take a very very long time.
		3666
		3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3668
		3669	my $guard = cf::lock_acquire "write_runtime";
		3670
		3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3672	or return;
		3673
		3674	my $value = $cf::RUNTIME + 90 + 10;
		3675	# 10 is the runtime save interval, for a monotonic clock
		3676	# 60 allows for the watchdog to kill the server.
		3677
		3678	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3679	and return;
		3680
		3681	# always fsync - this file is important
		3682	aio_fsync $fh
		3683	and return;
		3684
		3685	# touch it again to show we are up-to-date
		3686	aio_utime $fh, undef, undef;
		3687
		3688	close $fh
		3689	or return;
		3690
		3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3692	and return;
		3693
		3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3695
2377	}	3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
2378	}	3747	}
2379		3748
2380	sub emergency_save() {	3749	sub emergency_save() {
2381	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2382		3751
2383	warn "enter emergency perl save\n";	3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
2384		3758
2385	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2386	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2387	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2388	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2389	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2390	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2391	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2392	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2393	$pl->save;	3770	$pl->save;
2394	}	3771	}
2395	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2396		3773
2397	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
2398	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2399	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2400	$map->valid or next;	3779	$map->valid or next;
2401	$map->save;	3780	$map->save;
2402	}	3781	}
2403	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2404		3783
2405	warn "begin emergency database checkpoint\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
2406	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2407	warn "end emergency database checkpoint\n";	3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
2408	};	3812	};
2409		3813
2410	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2411	}	3815	}
2412		3816
2413	sub post_cleanup {	3817	sub post_cleanup {
2414	my ($make_core) = @_;	3818	my ($make_core) = @_;
2415		3819
		3820	IO::AIO::flush;
		3821
2416	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2417	if $make_core;	3823	if $make_core;
2418	}
2419		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
		3852	}
		3853
2420	sub reload() {	3854	sub do_reload_perl() {
2421	# can/must only be called in main	3855	# can/must only be called in main
2422	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2423	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2424	return;	3858	return;
2425	}	3859	}
2426		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2427	warn "reloading...";	3866	info "reloading...";
2428		3867
2429	warn "entering sync_job";	3868	trace "entering sync_job";
2430		3869
2431	cf::sync_job {	3870	cf::sync_job {
2432	cf::write_runtime; # external watchdog should not bark
2433	cf::emergency_save;	3871	cf::emergency_save;
2434	cf::write_runtime; # external watchdog should not bark
2435		3872
2436	warn "syncing database to disk";
2437	BDB::db_env_txn_checkpoint $DB_ENV;
2438
2439	# if anything goes wrong in here, we should simply crash as we already saved
2440
2441	warn "cancelling all WF_AUTOCANCEL watchers";
2442	for (Event::all_watchers) {
2443	$_->cancel if $_->data & WF_AUTOCANCEL;
2444	}
2445
2446	warn "flushing outstanding aio requests";
2447	for (;;) {
2448	BDB::flush;
2449	IO::AIO::flush;
2450	Coro::cede;
2451	last unless IO::AIO::nreqs || BDB::nreqs;
2452	warn "iterate...";
2453	}
2454
2455	++$RELOAD;
2456
2457	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2458	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2459	%EXT_CORO = ();	3875	%EXT_CORO = ();
2460		3876
2461	warn "removing commands";	3877	trace "removing commands";
2462	%COMMAND = ();	3878	%COMMAND = ();
2463		3879
2464	warn "removing ext commands";	3880	trace "removing ext/exti commands";
2465	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2466		3883
2467	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2468	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2469	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2470		3887
2471	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2472	eval {	3889	eval {
2473	$cb->($pkg);	3890	$cb->($pkg);
2474	1	3891	1
2475	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
2476	}	3897	}
2477		3898
2478	warn "... nuking $pkg";
2479	Symbol::delete_package $pkg;
2480	}
2481
2482	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2483	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2484	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2485		3902
2486	warn "... unloading $k";	3903	trace "... unloading $k";
2487	delete $INC{$k};	3904	delete $INC{$k};
2488		3905
2489	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2490	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2491		3908
2492	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2493	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2494	}	3914	}
2495		3915
2496	Symbol::delete_package $k;
2497	}
2498
2499	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2500	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2502		3919
2503	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2504	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
		3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2505		3923
2506	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2507	# and global variables created in xs	3925	# and global variables created in xs
2508	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2509		3927
2510	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
2511		3929
2512	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2513	require cf;	3931	require cf;
2514	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2515		3933
2516	warn "loading config and database again";	3934	trace "loading config and database again";
2517	cf::cfg_load;	3935	cf::reload_config;
2518		3936
2519	warn "loading extensions";	3937	trace "loading extensions";
2520	cf::load_extensions;	3938	cf::load_extensions;
2521		3939
		3940	if ($REATTACH_ON_RELOAD) {
2522	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2523	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
2524	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
2525	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
2526	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
2527	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
2528		3948
2529	warn "loading reloadable resources";	3949	trace "running post_init jobs";
2530	reload_resources;	3950	(pop @POST_INIT)->(1) while @POST_INIT;
2531		3951
2532	warn "leaving sync_job";	3952	trace "leaving sync_job";
2533		3953
2534	1	3954	1
2535	} or do {	3955	} or do {
2536	warn $@;	3956	error $@;
2537	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
2538	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
		3962	}
		3963
		3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
		3966	};
		3967
		3968	our $RELOAD_WATCHER; # used only during reload
		3969
		3970	sub reload_perl() {
		3971	# doing reload synchronously and two reloads happen back-to-back,
		3972	# coro crashes during coro_state_free->destroy here.
		3973
		3974	$RELOAD_WATCHER ||= cf::async {
		3975	Coro::AIO::aio_wait cache_extensions;
		3976
		3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3978	do_reload_perl;
		3979	undef $RELOAD_WATCHER;
		3980	};
2539	};	3981	};
2540		3982	}
2541	warn "reloaded";
2542	};
2543
2544	our $RELOAD_WATCHER; # used only during reload
2545		3983
2546	register_command "reload" => sub {	3984	register_command "reload" => sub {
2547	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2548		3986
2549	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2550	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
2551		3989	async {
2552	# doing reload synchronously and two reloads happen back-to-back,	3990	$Coro::current->{desc} = "perl_reload";
2553	# coro crashes during coro_state_free->destroy here.
2554
2555	$RELOAD_WATCHER ||= Event->timer (
2556	reentrant => 0,
2557	after => 0,
2558	data => WF_AUTOCANCEL,
2559	cb => sub {
2560	reload;	3991	reload_perl;
2561	undef $RELOAD_WATCHER;
2562	},
2563	);	3992	};
2564	}	3993	}
2565	};	3994	};
2566		3995
2567	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2568		3997
2569	my $bug_warning = 0;	3998	my $bug_warning = 0;
2570		3999
2571	$TICK_WATCHER = Event->timer (	4000	our @WAIT_FOR_TICK;
2572	reentrant => 0,	4001	our @WAIT_FOR_TICK_BEGIN;
2573	parked => 1,	4002
2574	prio => 0,	4003	sub wait_for_tick {
2575	at => $NEXT_TICK || $TICK,	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2576	data => WF_AUTOCANCEL,	4005
2577	cb => sub {	4006	my $signal = new Coro::Signal;
		4007	push @WAIT_FOR_TICK, $signal;
		4008	$signal->wait;
		4009	}
		4010
		4011	sub wait_for_tick_begin {
		4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4013
		4014	my $signal = new Coro::Signal;
		4015	push @WAIT_FOR_TICK_BEGIN, $signal;
		4016	$signal->wait;
		4017	}
		4018
		4019	sub tick {
2578	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2580	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
2581	return;	4023	return;
2582	}	4024	}
2583		4025
2584	$NOW = Event::time;
2585
2586	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2587	$RUNTIME += $TICK;
2588	$NEXT_TICK += $TICK;
2589		4027
		4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4029
2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591	$NEXT_RUNTIME_WRITE = $NOW + 10;	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2592	Coro::async_pool {	4032	Coro::async_pool {
		4033	$Coro::current->{desc} = "runtime saver";
2593	write_runtime	4034	write_runtime_sync
2594	or warn "ERROR: unable to write runtime file: $!";	4035	or error "ERROR: unable to write runtime file: $!";
2595	};
2596	}	4036	};
2597
2598	$WAIT_FOR_TICK->broadcast;
2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2600
2601	# my $AFTER = Event::time;
2602	# warn $AFTER - $NOW;#d#
2603
2604	# if we are delayed by four ticks or more, skip them all
2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2606
2607	$TICK_WATCHER->at ($NEXT_TICK);
2608	$TICK_WATCHER->start;
2609	},	4037	}
2610	);	4038
		4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4040	$sig->send;
		4041	}
		4042	while (my $sig = shift @WAIT_FOR_TICK) {
		4043	$sig->send;
		4044	}
		4045
		4046	$LOAD = ($NOW - $TICK_START) / $TICK;
		4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4048
		4049	if (0) {
		4050	if ($NEXT_TICK) {
		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
		4055	}
		4056	}
2611		4057
2612	{	4058	{
2613	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
2614	$BDB_POLL_WATCHER = Event->io (	4060
2615	reentrant => 0,
2616	fd => BDB::poll_fileno,
2617	poll => 'r',
2618	prio => 0,
2619	data => WF_AUTOCANCEL,
2620	cb => \&BDB::poll_cb,
2621	);
2622	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
2623		4062	BDB::max_poll_reqs $TICK * 0.1;
2624	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
2625	my $status;
2626	my $current = $Coro::current;
2627	(
2628	sub {
2629	$status = $!;
2630	$current->ready; undef $current;
2631	},
2632	sub {
2633	Coro::schedule while defined $current;
2634	$! = $status;
2635	},
2636	)
2637	};
2638		4064
2639	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
2640	$DB_ENV = BDB::db_env_create;	4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2641		4072
2642	cf::sync_job {	4073	cf::sync_job {
2643	eval {	4074	eval {
2644	BDB::db_env_open	4075	BDB::db_env_open
2645	$DB_ENV,	4076	$DB_ENV,
2646	$BDB_ENV_DIR,	4077	$BDBDIR,
2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649	0666;	4080	0666;
2650		4081
2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2652
2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2654	$DB_ENV->set_lk_detect;
2655	};	4083	};
2656		4084
2657	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
2658	};	4086	};
2659	}	4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
2660	}	4098	}
2661		4099
2662	{	4100	{
		4101	# configure IO::AIO
		4102
2663	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
2664
2665	undef $Coro::AIO::WATCHER;
2666	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
2667	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
2668	reentrant => 0,
2669	data => WF_AUTOCANCEL,
2670	fd => IO::AIO::poll_fileno,
2671	poll => 'r',
2672	prio => 6,
2673	cb => \&IO::AIO::poll_cb,
2674	);
2675	}	4106	}
		4107
		4108	my $_log_backtrace;
		4109
		4110	sub _log_backtrace {
		4111	my ($msg, @addr) = @_;
		4112
		4113	$msg =~ s/\n//;
		4114
		4115	# limit the # of concurrent backtraces
		4116	if ($_log_backtrace < 2) {
		4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
		4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
		4122	my @bt = fork_call {
		4123	@addr = map { sprintf "%x", $_ } @addr;
		4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4126	or die "addr2line: $!";
		4127
		4128	my @funcs;
		4129	my @res = <$fh>;
		4130	chomp for @res;
		4131	while (@res) {
		4132	my ($func, $line) = splice @res, 0, 2, ();
		4133	push @funcs, "[$func] $line";
		4134	}
		4135
		4136	@funcs
		4137	};
		4138
		4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4141	LOG llevInfo, "[ABT] $_\n" for @bt;
		4142	--$_log_backtrace;
		4143	};
		4144	} else {
		4145	LOG llevInfo, "[ABT] $msg\n";
		4146	LOG llevInfo, "[ABT] [suppressed]\n";
		4147	}
		4148	}
		4149
		4150	# load additional modules
		4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
2676		4153
2677	END { cf::emergency_save }	4154	END { cf::emergency_save }
2678		4155
2679	1	4156	1
2680		4157

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