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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.532 by root, Thu Apr 29 07:32:34 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.61 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
21	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
22		54
		55	use JSON::XS 2.01 ();
23	use BDB ();	56	use BDB ();
24	use Data::Dumper;	57	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	58	use Fcntl;
27	use YAML::Syck ();	59	use YAML::XS ();
28	use IO::AIO 2.32 ();	60	use IO::AIO ();
29	use Time::HiRes;	61	use Time::HiRes;
30	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
31		66
32	# configure various modules to our taste	67	# configure various modules to our taste
33	#	68	#
34	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		77
38	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
39		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		80
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
58		118
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	121	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
69		130
70	our %CFG;	131	our %CFG;
71		132
72	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
74		136
75	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		140
81	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
84	binmode STDOUT;	154	binmode STDOUT;
85	binmode STDERR;	155	binmode STDERR;
86		156
87	# read virtual server time, if available	157	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
92	}	162	}
93		163
94	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	165
96	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		168
101	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
102		170
103	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
104		187
105	#############################################################################	188	#############################################################################
106		189
107	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
108		191
…		…
115	=item $cf::RUNTIME	198	=item $cf::RUNTIME
116		199
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	201	every server tick.
119		202
120	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		206
122	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
124		211
125	=item $cf::NOW	212	=item $cf::NOW
126		213
127	The time of the last (current) server tick.	214	The time of the last (current) server tick.
128		215
129	=item $cf::TICK	216	=item $cf::TICK
130		217
131	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
132		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
133	=item %cf::CFG	230	=item %cf::CFG
134		231
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	233	from wherever your confdir points to.
137		234
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		236
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
144	=back	253	=back
145		254
146	=cut	255	=cut
147		256
148	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
149	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
150	my $msg = join "", @_;	264	my $msg = join "", @_;
151	utf8::encode $msg;
152		265
153	$msg .= "\n"	266	$msg .= "\n"
154	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
155		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
156	LOG llevError, $msg;	271	LOG llevWarn, $msg;
157	};	272	};
158	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
159		287
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		295
167	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	297	# within the Safe compartment.
169	for my $pkg (qw(	298	for my $pkg (qw(
170	cf::global cf::attachable	299	cf::global cf::attachable
171	cf::object cf::object::player	300	cf::object cf::object::player
172	cf::client cf::player	301	cf::client cf::player
173	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
174	cf::map cf::party cf::region	304	cf::party cf::region
175	)) {	305	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	307	}
179		308
180	$Event::DIED = sub {	309	$EV::DIED = sub {
181	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
182	};	311	};
		312
		313	#############################################################################
183		314
184	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
185		316
186	=over 4	317	=over 4
187		318
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	338	$d
208	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
209	}	340	}
210		341
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
214		343
215	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
216		345
217	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
218		347
219	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
220		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
221	=item cf::lock_wait $string	371	=item cf::lock_wait $string
222		372
223	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
224		374
225	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
226		376
227	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
230	returned.	380	returned.
231		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
232	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
234		387
235	=cut	388	=item $locked = cf::lock_active $string
236		389
237	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
238		395
239	sub lock_wait($) {	396	sub lock_wait($) {
240	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	398	}
248		399
249	sub lock_acquire($) {	400	sub lock_acquire($) {
250	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
251		403
252	# wait, to be sure we are not locked	404	sub lock_active($) {
253	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	406	}
262		407
263	sub freeze_mainloop {	408	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
265		410
266	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
268	};	478	}
269	$TICK_WATCHER->stop;	479	};
270	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
271	}	494	}
272		495
273	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
274		497
275	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		503
281	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
282		505
283	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
284		507
285	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
288		512
289	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
292	fast or be very important.	516	fast or be very important.
…		…
295		519
296	sub sync_job(&) {	520	sub sync_job(&) {
297	my ($job) = @_;	521	my ($job) = @_;
298		522
299	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
		524	my $time = AE::time;
		525
300	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
302		528
303	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	530
305	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
306		532
307	my $busy = 1;	533	my $busy = 1;
308	my @res;	534	my @res;
309		535
310	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	538	@res = eval { $job->() };
312	warn $@ if $@;	539	error $@ if $@;
313	undef $busy;	540	undef $busy;
314	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
315		542
316	while ($busy) {	543	while ($busy) {
317	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
318	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
319		554
320	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
321	} else {	556	} else {
322	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
323		558
…		…
343	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
344		579
345	$coro	580	$coro
346	}	581	}
347		582
348	sub write_runtime {	583	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		584
351	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
352		589
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
354	or return;
355		591
356	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		594
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
361	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
362		598
363	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	600	reset_signals;
365	and return;	601	&$cb
		602	}, @args;
366		603
367	close $fh	604	wantarray ? @res : $res[-1]
368	or return;	605	}
369		606
370	aio_rename "$runtime~", $runtime	607	sub objinfo {
371	and return;
372
373	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
		677
		678	our $DB;
		679
		680	sub db_init {
		681	cf::sync_job {
		682	$DB ||= db_table "db";
		683	};
		684	}
		685
		686	sub db_get($$) {
		687	my $key = "$_[0]/$_[1]";
		688
		689	cf::sync_job {
		690	BDB::db_get $DB, undef, $key, my $data;
		691
		692	$! ? ()
		693	: $data
		694	}
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
374	}	770	}
375		771
376	=item cf::datalog type => key => value, ...	772	=item cf::datalog type => key => value, ...
377		773
378	Log a datalog packet of the given type with the given key-value pairs.	774	Log a datalog packet of the given type with the given key-value pairs.
379		775
380	=cut	776	=cut
381		777
382	sub datalog($@) {	778	sub datalog($@) {
383	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	781	}
386		782
387	=back	783	=back
388		784
389	=cut	785	=cut
390		786
391	#############################################################################	787	#############################################################################
392		788
393	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
394		790
395	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
396	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")
397	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
398		794
399	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>
400	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
401	crossfire+).	797	Deliantra).
402		798
403	=over 4	799	=over 4
404		800
405	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
406		802
…		…
450	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
451		847
452	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
454		850
455	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
457		853
458	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
459		855
460	=over 4	856	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
570		966
571	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		971
576	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	973	my $pkg = shift @arg;
578		974
579	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
584		980
585	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		983
588	} elsif (ref $type) {	984	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
590		986
591	} else {	987	} else {
592	shift @arg;	988	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
594	}	990	}
595	}	991	}
596	}	992	}
597		993
598	sub _object_attach {	994	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
609	}	1005	}
610		1006
611	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
612	} else {	1008	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1010	}
615		1011
616	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
617	}	1013	}
618		1014
…		…
620	if (ref $_[0]) {	1016	if (ref $_[0]) {
621	_object_attach @_;	1017	_object_attach @_;
622	} else {	1018	} else {
623	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
624	}	1020	}
		1021	_recalc_want;
625	};	1022	};
626		1023
627	# all those should be optimised	1024	# all those should be optimised
628	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1030	reattach ($obj);
634	} else {	1031	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
636	}	1033	}
		1034	_recalc_want;
637	};	1035	};
638		1036
639	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
641		1039
…		…
656	";	1054	";
657	die if $@;	1055	die if $@;
658	}	1056	}
659		1057
660	our $override;	1058	our $override;
661	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?
662		1060
663	sub override {	1061	sub override {
664	$override = 1;	1062	$override = 1;
665	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
666	}	1064	}
667		1065
668	sub do_invoke {	1066	sub do_invoke {
669	my $event = shift;	1067	my $event = shift;
670	my $callbacks = shift;	1068	my $callbacks = shift;
671		1069
672	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
673		1071
674	local $override;	1072	local $override;
675		1073
676	for (@$callbacks) {	1074	for (@$callbacks) {
677	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
678		1076
679	if ($@) {	1077	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1079	override;
683	}	1080	}
684		1081
685	return 1 if $override;	1082	return 1 if $override;
686	}	1083	}
687		1084
688	0	1085	0
689	}	1086	}
690		1087
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1089
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1091
695	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
696		1093
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1097
701	=back	1098	=back
702		1099
703	=cut	1100	=cut
704		1101
705	#############################################################################	1102	#############################################################################
706	# 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, $ob2
		1145	}
707		1146
708	sub reattach {	1147	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1149	my ($obj) = @_;
711		1150
		1151	# no longer needed after getting rid of delete_package?
712	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
713		1153
714	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
715		1155
716	@$registry = ();	1156	@$registry = ();
717		1157
…		…
722	for (@$attach) {	1162	for (@$attach) {
723	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
725	}	1165	}
726	} else {	1166	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1168	}
729	}	1169	}
730	}	1170	}
731		1171
732	cf::attachable->attach (	1172	cf::attachable->attach (
733	prio => -1000000,	1173	prio => -1000000,
734	on_instantiate => sub {	1174	on_instantiate => sub {
735	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
736		1176
737	$data = from_json $data;	1177	$data = decode_json $data;
738		1178
739	for (@$data) {	1179	for (@$data) {
740	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
741		1181
742	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1198	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
760		1200
761	sync_job {	1201	sync_job {
762	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
765		1207
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1215	aio_close $fh;
771		1216
772	if (@$objs) {	1217	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1226	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
780	}	1228	}
781	} else {	1229	} else {
782	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
783	}	1231	}
784		1232
785	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1237	} else {
787	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
788	}	1239	}
789	} else {	1240	} else {
790	aio_unlink $filename;	1241	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
792	}	1243	}
793	}	1244	};
794	}	1245	}
795		1246
796	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
798		1249
…		…
810	or return;	1261	or return;
811		1262
812	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
814	or return;	1265	or return;
		1266
815	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
816	}	1269	}
817		1270
		1271	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
820	return ($data, $av);	1276	($data, $av)
821	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
822		1284
823	#############################################################################	1285	#############################################################################
824	# command handling &c	1286	# command handling &c
825		1287
826	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1302	}
841		1303
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1305
844	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.
845		1311
846	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
847	called.	1313	called.
848		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
849	=cut	1326	=cut
850		1327
851	sub register_extcmd {	1328	sub register_extcmd {
852	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
853		1330
854	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
855	}	1332	}
856		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
857	cf::player->attach (	1342	cf::player->attach (
858	on_command => sub {	1343	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
860		1345
861	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
862	or return;	1347	or return;
863		1348
…		…
868	cf::override;	1353	cf::override;
869	},	1354	},
870	on_extcmd => sub {	1355	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
872		1357
873	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1359
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
881	} else {	1375	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1377	}
884		1378
885	cf::override;	1379	cf::override;
886	},	1380	},
887	);	1381	);
888		1382
		1383	# "readahead" all extensions
889	sub load_extension {	1384	sub cache_extensions {
890	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
891		1386
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1390	}
917	die $@;
918	}	1391	};
919		1392
920	push @EXTS, $pkg;	1393	$grp
921	}	1394	}
922		1395
923	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
924	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1403	next unless -r $path;
926	eval {	1404
927	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457
		1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1459	delete $todo{$k};
		1460	} else {
		1461	$done{$k} = delete $todo{$k};
		1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
		1467	}
928	1	1468	}
929	} or warn "$ext not loaded: $@";	1469
		1470	unless ($progress) {
		1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
		1478	}
930	}	1479	};
931	}	1480	}
932		1481
933	#############################################################################	1482	#############################################################################
934		1483
		1484	=back
		1485
935	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
936		1487
937	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
938		1489
939	=cut	1490	=cut
940		1491
941	package cf::player;	1492	package cf::player;
942		1493
…		…
944		1495
945	=head3 cf::player	1496	=head3 cf::player
946		1497
947	=over 4	1498	=over 4
948		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
		1513
949	=item cf::player::find $login	1514	=item cf::player::find $login
950		1515
951	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
952		1517
953	=cut	1518	=cut
954		1519
955	sub playerdir($) {	1520	sub playerdir($) {
956	cf::localdir	1521	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1522	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1523	}
962		1524
963	sub path($) {	1525	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1526	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1536
975	sub exists($) {	1537	sub exists($) {
976	my ($login) = @_;	1538	my ($login) = @_;
977		1539
978	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
980	}	1542	}
981		1543
982	sub find($) {	1544	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1546	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
995		1557
996	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
997	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
999	}	1567	}
1000	}	1568	}
1001	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1002		1583
1003	sub save($) {	1584	sub save($) {
1004	my ($pl) = @_;	1585	my ($pl) = @_;
1005		1586
1006	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1012		1593
1013	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1015		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1016	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1017	Coro::cede;	1603	cf::cede_to_tick;
1018	}	1604	}
1019		1605
1020	sub new($) {	1606	sub new($) {
1021	my ($login) = @_;	1607	my ($login) = @_;
1022		1608
…		…
1028	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1029		1615
1030	$self	1616	$self
1031	}	1617	}
1032		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1033	=item $pl->quit_character	1629	=item $pl->quit_character
1034		1630
1035	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1037		1633
…		…
1041	my ($pl) = @_;	1637	my ($pl) = @_;
1042		1638
1043	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1044		1640
1045	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1643
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1052		1649
1053	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1681	while and may block, so not sync_job-capable, ever.
1085		1682
1086	=cut	1683	=cut
1087		1684
1088	sub list_logins {	1685	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1686	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1687	or return [];
1091		1688
1092	my @logins;	1689	my @logins;
1093		1690
1094	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1098		1701
1099	utf8::decode $login;	1702	utf8::decode $login;
1100	push @logins, $login;	1703	push @logins, $login;
1101	}	1704	}
1102		1705
1103	\@logins	1706	\@logins
1104	}	1707	}
1105		1708
1106	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1107		1712
1108	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1109	player. May block.	1714	player. May block.
1110		1715
1111	=cut	1716	=cut
…		…
1129	}	1734	}
1130		1735
1131	\@paths	1736	\@paths
1132	}	1737	}
1133		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
1134	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1135		1744
1136	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1137		1746
1138	=cut	1747	=cut
1139		1748
1140	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1142		1751
1143	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1753	}
1147		1754
1148	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1149		1756
1150	Sends an ext event to the client.	1757	Sends an ext event to the client.
1151		1758
1152	=cut	1759	=cut
1153		1760
1154	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1156		1763
1157	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1158	}	1765	}
1159		1766
1160	=head3 cf::region	1767	=head3 cf::region
1161		1768
1162	=over 4	1769	=over 4
…		…
1165		1772
1166	package cf::region;	1773	package cf::region;
1167		1774
1168	=item cf::region::find_by_path $path	1775	=item cf::region::find_by_path $path
1169		1776
1170	Tries to decuce the probable region for a map knowing only its path.	1777	Tries to decuce the likely region for a map knowing only its path.
1171		1778
1172	=cut	1779	=cut
1173		1780
1174	sub find_by_path($) {	1781	sub find_by_path($) {
1175	my ($path) = @_;	1782	my ($path) = @_;
1176		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
1177	my ($match, $specificity);	1786	my ($match, $specificity);
1178		1787
1179	for my $region (list) {	1788	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1789	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1790	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1791	if $region->specificity > $specificity;
1183	}	1792	}
1184	}	1793	}
1185		1794
…		…
1206	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1208		1817
1209	sub generate_random_map {	1818	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1211	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1824	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1241		1853
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1855	}
1244		1856
1245	# also paths starting with '/'	1857	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1859
1248	sub thawer_merge {	1860	sub thawer_merge {
1249	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1250		1862
1251	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1252	local $self->{path};	1864	local $self->{path};
1253	local $self->{load_path};	1865	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1866
1257	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1258	}	1868	}
1259		1869
1260	sub normalise {	1870	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1308	return $self;	1918	return $self;
1309	}	1919	}
1310	}	1920	}
1311		1921
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1923	()
1314	}	1924	}
1315		1925
1316	sub init {	1926	sub init {
1317	my ($self) = @_;	1927	my ($self) = @_;
…		…
1332		1942
1333	# the original (read-only) location	1943	# the original (read-only) location
1334	sub load_path {	1944	sub load_path {
1335	my ($self) = @_;	1945	my ($self) = @_;
1336		1946
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1338	}	1948	}
1339		1949
1340	# the temporary/swap location	1950	# the temporary/swap location
1341	sub save_path {	1951	sub save_path {
1342	my ($self) = @_;	1952	my ($self) = @_;
1343		1953
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1346	}	1956	}
1347		1957
1348	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1349	sub uniq_path {	1959	sub uniq_path {
1350	my ($self) = @_;	1960	my ($self) = @_;
1351		1961
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1354	}	1964	}
1355		1965
1356	# and all this just because we cannot iterate over	1966	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1967	my ($self) = @_;
1360		1968
1361	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1363	}	1972	}
1364		1973
1365	sub unlink_save {	1974	sub unlink_save {
1366	my ($self) = @_;	1975	my ($self) = @_;
1367		1976
…		…
1372		1981
1373	sub load_header_from($) {	1982	sub load_header_from($) {
1374	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1375		1984
1376	utf8::encode $path;	1985	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		1994
1383	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1384		1996
1385	1	1997	1
1386	}	1998	}
…		…
1425	$self->load_header_orig	2037	$self->load_header_orig
1426	or return;	2038	or return;
1427	$self->prepare_orig;	2039	$self->prepare_orig;
1428	}	2040	}
1429		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
1430	$self->default_region (cf::region::find_by_path $self->{path})	2045	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2046	unless $self->default_region;
1432		2047
1433	1	2048	1
1434	}	2049	}
…		…
1437	sub find {	2052	sub find {
1438	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1439		2054
1440	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1441		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2059
1444	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1447	or return;	2062	or return;
1448		2063
1449	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1450		2065
1451	$map->load_header	2066	$map->load_header
1452	or return;	2067	or return;
1453		2068
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1457	$map->reset;	2074	$map->reset;
1458	undef $guard;
1459	return find $path;	2075	return find $path;
1460	}	2076	}
1461		2077
1462	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1463	}	2079	}
1464	}	2080	}
1465		2081
1466	sub pre_load { }	2082	sub pre_load { }
1467	sub post_load { }	2083	#sub post_load { } # XS
1468		2084
1469	sub load {	2085	sub load {
1470	my ($self) = @_;	2086	my ($self) = @_;
1471		2087
1472	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1473		2089
1474	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1476		2094
		2095	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2097
1479	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1480		2099
1481	$self->alloc;	2100	$self->alloc;
1482		2101
1483	$self->pre_load;	2102	$self->pre_load;
1484	Coro::cede;	2103	cf::cede_to_tick;
1485		2104
1486	$self->_load_objects ($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)
1487	or return;	2108	or return;
1488		2109
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1490	if delete $self->{load_original};	2111	if delete $self->{load_original};
1491		2112
1492	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2114	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2117	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1497	}	2121	}
1498	}	2122	}
1499		2123
1500	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1501	# now do the right thing for maps	2127	# now do the right thing for maps
1502	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2130	unless $self->difficulty;
1513	Coro::cede;	2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1514	$self->activate;	2138	$self->activate;
1515	Coro::cede;	2139	}
		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
		2144	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2145	}
1517		2146
1518	$self->post_load;	2147	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2148	}
1523		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2153	sub customise_for {
1525	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1526		2155
1527	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2157	if $self->per_player;
1529		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1530	$self	2162	$self
1531	}	2163	}
1532		2164
1533	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2166	sub load_neighbours {
1535	my ($map) = @_;	2167	my ($map) = @_;
1536		2168
1537	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1538		2170
1539	for (0 .. 3) {	2171	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1541	or next;	2173	or next;
1542	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1543	or next;	2175	or next;
1544	$neigh->load;	2176	$neigh->load;
1545		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2182	}
1549		2183
1550	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1552	or next;	2187	or next;
1553	$neigh->load;	2188	$neigh->load;
1554	}	2189	}
1555	}	2190	}
1556		2191
…		…
1561	}	2196	}
1562		2197
1563	sub do_load_sync {	2198	sub do_load_sync {
1564	my ($map) = @_;	2199	my ($map) = @_;
1565		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1566	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1567	}	2205	}
1568		2206
1569	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1571		2209
1572	sub find_async {	2210	sub find_async {
1573	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1574		2212
1575	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1576		2214
1577	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2217	}
1580		2218
1581	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1582	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1583	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2226	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2227	$map->load if $v;
		2228	}
1588		2229
1589	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1590	}	2231	}
1591	}	2232	}
1592	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1593	};	2234	};
1594	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1595		2236
1596	()	2237	()
1597	}	2238	}
1598		2239
		2240	# common code, used by both ->save and ->swapout
1599	sub save {	2241	sub _save {
1600	my ($self) = @_;	2242	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2243
1604	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1605		2245
1606	return unless $self->dirty;	2246	return unless $self->dirty;
1607		2247
…		…
1613	return if $self->{deny_save};	2253	return if $self->{deny_save};
1614		2254
1615	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1616		2256
1617	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1619	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1620		2263
1621	if ($uniq) {	2264	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2267	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2269	}
1627	}	2270	}
1628		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1629	sub swap_out {	2280	sub swap_out {
1630	my ($self) = @_;	2281	my ($self) = @_;
1631		2282
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1637	return if $self->players;	2287	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1641	$self->clear;	2298	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2299	}
1644		2300
1645	sub reset_at {	2301	sub reset_at {
1646	my ($self) = @_;	2302	my ($self) = @_;
1647		2303
1648	# TODO: safety, remove and allow resettable per-player maps	2304	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2305	return 1e99 if $self->{deny_reset};
1651		2306
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2307	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2308	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2309
…		…
1665	my ($self) = @_;	2320	my ($self) = @_;
1666		2321
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2323
1669	return if $self->players;	2324	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2325
1672	warn "resetting map ", $self->path;#d#	2326	cf::trace "resetting map ", $self->path, "\n";
1673		2327
1674	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
1675		2329
1676	# need to save uniques path	2330	# need to save uniques path
1677	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2335	if $uniq;
1682	}	2336	}
1683		2337
1684	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1685		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2342	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2343
1690	$self->unlink_save;	2344	$self->unlink_save;
1691	$self->destroy;	2345	$self->destroy;
1692	}	2346	}
1693		2347
1694	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1695		2349
1696	sub nuke {	2350	sub nuke {
1697	my ($self) = @_;	2351	my ($self) = @_;
1698		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
1699	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1700		2357
1701	$self->unlink_save;	2358	$self->unlink_save;
1702		2359
1703	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2365
1709	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
1710		2368
1711	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
		2370	}
		2371
		2372	=item $maps = cf::map::tmp_maps
		2373
		2374	Returns an arrayref with all map paths of currently instantiated and saved
		2375	maps. May block.
		2376
		2377	=cut
		2378
		2379	sub tmp_maps() {
		2380	[
		2381	map {
		2382	utf8::decode $_;
		2383	/\.map$/
		2384	? normalise $_
		2385	: ()
		2386	} @{ aio_readdir $TMPDIR or [] }
		2387	]
		2388	}
		2389
		2390	=item $maps = cf::map::random_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	random maps. May block.
		2394
		2395	=cut
		2396
		2397	sub random_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise "?random/$_"
		2403	: ()
		2404	} @{ aio_readdir $RANDOMDIR or [] }
		2405	]
1712	}	2406	}
1713		2407
1714	=item cf::map::unique_maps	2408	=item cf::map::unique_maps
1715		2409
1716	Returns an arrayref of paths of all shared maps that have	2410	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2411	instantiated unique items. May block.
1718		2412
1719	=cut	2413	=cut
1720		2414
1721	sub unique_maps() {	2415	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2416	[
1723	or return;	2417	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2418	utf8::decode $_;
1729	next if /\.pst$/;	2419	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2421	? ()
1732	push @paths, cf::map::normalise $_;	2422	: normalise $_
		2423	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2424	]
1734
1735	\@paths
1736	}	2425	}
1737		2426
1738	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
1739		2458
1740	=back	2459	=back
1741		2460
1742	=head3 cf::object	2461	=head3 cf::object
1743		2462
…		…
1747		2466
1748	=over 4	2467	=over 4
1749		2468
1750	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
1751		2470
1752	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
1753		2473
1754	=cut	2474	=cut
1755		2475
1756	sub inv_recursive_;	2476	sub inv_recursive_;
1757	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
1760		2480
1761	sub inv_recursive {	2481	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
1763	}	2483	}
1764		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
1765	package cf;	2513	package cf;
1766		2514
1767	=back	2515	=back
1768		2516
1769	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
1778		2526
1779	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
1780		2542
1781	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2544	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
1786		2548
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2550
1789	if ($self->{record_replies}) {	2551	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2553
1791	} else {	2554	} else {
		2555	my $pl = $self->contr;
		2556
		2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2558	my $dialog = $pl->{npc_dialog};
		2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2560
		2561	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2564	}
1794	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
1795	}	2576	}
1796		2577
1797	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
1798		2579
1799	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
1812		2593
1813	=item $player_object->enter_link	2594	=item $player_object->enter_link
1814		2595
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2597
1817	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
1819		2602
1820	Will never block.	2603	Will never block.
1821		2604
1822	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
1823		2606
…		…
1843	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2627	my ($self) = @_;
1845		2628
1846	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
1847		2630
		2631	++$self->{_link_recursion};
		2632
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2634
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2636	if $self->map && $self->map->{path} ne "{link}";
1852		2637
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2639	}
1855		2640
1856	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
		2643
		2644	return unless $self->contr->active;
1858		2645
1859	my $link_pos = delete $self->{_link_pos};	2646	my $link_pos = delete $self->{_link_pos};
1860		2647
1861	unless ($map) {	2648	unless ($map) {
1862	# restore original map position	2649	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
1875		2662
1876	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
1879		2666
1880	$map->load;	2667	$map->load;
1881	$map->load_diag;	2668	$map->load_neighbours;
1882		2669
1883	return unless $self->contr->active;	2670	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2671
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
1888	}	2674	# entering was successful
1889		2675	delete $self->{_link_recursion};
1890	cf::player->attach (	2676	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2677	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2678	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2679
1904	# try to abort aborted map switching on player login :)	2680	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2681
1922	=item $player_object->goto ($path, $x, $y)	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2683
		2684	Moves the player to the given map-path and coordinates by first freezing
		2685	her, loading and preparing them map, calling the provided $check callback
		2686	that has to return the map if sucecssful, and then unfreezes the player on
		2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
		2692
1924	=cut	2693	=cut
		2694
		2695	our $GOTOGEN;
1925		2696
1926	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
		2705
		2706	# do generation counting so two concurrent goto's will be executed in-order
		2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2708
1929	$self->enter_link;	2709	$self->enter_link;
1930		2710
1931	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
1932	my $map = eval {	2733	my $map = eval {
1933	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
		2735
		2736	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2737	$map = $map->customise_for ($self);
		2738	$map = $check->($map, $x, $y, $self) if $check && $map;
		2739	} else {
		2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	}
		2742
1935	$map	2743	$map
		2744	};
		2745
		2746	if ($@) {
		2747	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2748	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2749	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2750
		2751	if ($gen == $self->{_goto_generation}) {
		2752	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
		2754	}
		2755
		2756	$done->($self) if $done;
1940	})->prio (1);	2757	})->prio (1);
1941	}	2758	}
1942		2759
1943	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
1944		2761
…		…
1964	}	2781	}
1965		2782
1966	sub prepare_random_map {	2783	sub prepare_random_map {
1967	my ($exit) = @_;	2784	my ($exit) = @_;
1968		2785
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2788	# that depends on the exit object
1974		2789
1975	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2792	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
1982	}	2799	}
1983		2800
1984	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
1985		2802
1986	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
1989		2806
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2809	undef $fh;
1993	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
1994		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
1997	}	2818	}
1998	}	2819	}
1999		2820
2000	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2002		2823
2003	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2004		2825
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2826	$self->enter_link;
2017		2827
2018	(async {	2828	(async {
2019	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2020	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
2021	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2022		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
2023	1;	2852	1
2024	}) {	2853	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2858
2030	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2860	$self->leave_link;
2032	}	2861	}
2033	})->prio (1);	2862	})->prio (1);
2034	}	2863	}
2035		2864
…		…
2049		2878
2050	utf8::encode $text;	2879	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2881	}
2053		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
		2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2909
		2910	Send a drawinfo or msg packet to the client, formatting the msg for the
		2911	client if neccessary. C<$type> should be a string identifying the type of
		2912	the message, with C<log> being the default. If C<$color> is negative, suppress
		2913	the message unless the client supports the msg packet.
		2914
		2915	=cut
		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
		3031	sub cf::client::send_msg {
		3032	my ($self, $channel, $msg, $color, @extra) = @_;
		3033
		3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2054	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2055		3071
2056	Sends an exti event to the client.	3072	Sends an ext event to the client.
2057		3073
2058	=cut	3074	=cut
2059		3075
2060	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2062		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
2065	}	3103	}
2066		3104
2067	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2068		3106
2069	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3108	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3110
2073	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3112	become reliable at some point in the future.
2075		3113
2076	=cut	3114	=cut
2077		3115
2078	sub cf::client::query {	3116	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3125	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3127
2090	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
2092	}	3132	}
2093		3133
2094	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
2095	on_reply => sub {	3140	on_reply => sub {
2096	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
2097		3142
2098	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
2099	# get handled first	3144	# get handled first
…		…
2111	} else {	3156	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3158	}
2114	}	3159	}
2115	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
2116	);	3187	);
2117		3188
2118	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
2119		3190
2120	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3207
2137	$coro	3208	$coro
2138	}	3209	}
2139		3210
2140	cf::client->attach (	3211	cf::client->attach (
2141	on_destroy => sub {	3212	on_client_destroy => sub {
2142	my ($ns) = @_;	3213	my ($ns) = @_;
2143		3214
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3216	},
2146	);	3217	);
…		…
2161	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2163		3234
2164	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2165		3236
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2167		3242
2168	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2169		3244
2170	=pod	3245	=pod
2171		3246
2172	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2173		3248
2174	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
2175	cf::object::player player	3254	cf::object::player
2176	cf::player peaceful	3255	player
2177	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2178		3262
2179	=cut	3263	=cut
2180		3264
2181	for (	3265	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2186	) {	3272	) {
2187	no strict 'refs';	3273	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2207		3293
2208	my $qcode = $code;	3294	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2211		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2212	local $_;	3301	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3302
2215	my $eval =	3303	my $eval =
2216	"do {\n"	3304	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3307	. $code
2220	. "\n}"	3308	. "\n}"
2221	;	3309	;
2222		3310
		3311	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2226		3320
2227	if ($@) {	3321	if ($@) {
2228	warn "$@";	3322	warn "$@",
2229	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2231	}	3325	}
2232		3326
2233	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2234	}	3328	}
2235		3329
…		…
2249	=cut	3343	=cut
2250		3344
2251	sub register_script_function {	3345	sub register_script_function {
2252	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2253		3347
2254	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2256	}	3350	}
2257		3351
2258	=back	3352	=back
2259		3353
2260	=cut	3354	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3355
2334	#############################################################################	3356	#############################################################################
2335	# the server's init and main functions	3357	# the server's init and main functions
2336		3358
2337	sub load_facedata {	3359	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3360	my ($path) = @_;
2339		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2340	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2341		3369
2342	my $facedata;	3370	my $facedata;
2343	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2344	or die "$path: $!";	3372	or die "$path: $!";
2345		3373
2346	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2347		3375
2348	$facedata->{version} == 2	3376	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
2351	{	3388	{
2352	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2353		3390
2354	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3394	cf::face::set_visibility $idx, $info->{visibility};
		3395	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3398
		3399	cf::cede_to_tick;
2360	}	3400	}
2361		3401
2362	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2364	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2365	or next;	3406	or next;
		3407
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3411	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3413	}
2371	Coro::cede;	3414
		3415	cf::cede_to_tick;
2372	}	3416	}
2373	}	3417	}
2374		3418
2375	{	3419	{
2376	my $anims = $facedata->{animinfo};	3420	my $anims = $facedata->{animinfo};
2377		3421
2378	while (my ($anim, $info) = each %$anims) {	3422	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3424	cf::cede_to_tick;
2381	}	3425	}
2382		3426
2383	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2384	}	3428	}
2385		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2386	1	3449	1
2387	}	3450	}
2388		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
		3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
		3475	load_resource_file "$MAPDIR/regions"
		3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
		3482	}
		3483
		3484	sub reload_facedata {
		3485	load_facedata "$DATADIR/facedata"
		3486	or die "unable to load facedata\n";
		3487	}
		3488
2389	sub load_archetypes {	3489	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3490	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3491	or die "unable to load archetypes\n";
2392	}	3492	}
2393		3493
2394	sub load_treasures {	3494	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3495	load_resource_file "$DATADIR/treasures"
		3496	or die "unable to load treasurelists\n";
		3497	}
		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
2396	}	3520	}
2397		3521
2398	sub reload_resources {	3522	sub reload_resources {
2399	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2400		3524
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402	or die "unable to load regions file\n";
2403	load_facedata	3525	reload_facedata;
2404	or die "unable to load facedata\n";	3526	reload_sound;
2405	load_archetypes	3527	reload_archetypes;
2406	or die "unable to load archetypes\n";	3528	reload_regions;
2407	load_treasures	3529	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3530
2410	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2411	}	3532	}
2412		3533
2413	sub init {	3534	sub reload_config {
2414	reload_resources;	3535	trace "reloading config file...\n";
2415	}
2416		3536
2417	sub cfg_load {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3538	or return;
2420		3539
2421	local $/;	3540	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2423		3542
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2425		3544
2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2428		3547
2429	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2431	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2432	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2433	};	3552	};
2434	warn $@ if $@;	3553	warn $@ if $@;
2435	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2436	}	3585	}
2437		3586
2438	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2439	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442	(async {	3600	(async {
2443	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2445	};	3604	};
2446		3605
2447	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
2448	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2449	load_extensions;	3629	load_extensions;
2450		3630
2451	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2452	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2453	}	3644	}
2454		3645
2455	#############################################################################	3646	#############################################################################
2456	# initialisation and cleanup	3647	# initialisation and cleanup
2457		3648
2458	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2459	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2468	},
2469	);	3655	};
		3656	}
		3657	}
		3658
		3659	sub write_runtime_sync {
		3660	my $t0 = AE::time;
		3661
		3662	# first touch the runtime file to show we are still running:
		3663	# the fsync below can take a very very long time.
		3664
		3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3666
		3667	my $guard = cf::lock_acquire "write_runtime";
		3668
		3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3670	or return;
		3671
		3672	my $value = $cf::RUNTIME + 90 + 10;
		3673	# 10 is the runtime save interval, for a monotonic clock
		3674	# 60 allows for the watchdog to kill the server.
		3675
		3676	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3677	and return;
		3678
		3679	# always fsync - this file is important
		3680	aio_fsync $fh
		3681	and return;
		3682
		3683	# touch it again to show we are up-to-date
		3684	aio_utime $fh, undef, undef;
		3685
		3686	close $fh
		3687	or return;
		3688
		3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3690	and return;
		3691
		3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3693
2470	}	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2471	}	3745	}
2472		3746
2473	sub emergency_save() {	3747	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2475		3749
2476	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2477		3751
2478	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2479	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2480	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2481	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2483	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3766	$pl->save;
2487	}	3767	}
2488	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2489		3769
2490	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2491	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2492	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2493	$map->valid or next;	3773	$map->valid or next;
2494	$map->save;	3774	$map->save;
2495	}	3775	}
2496	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2497		3777
2498	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2500	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2501	};	3785	};
2502		3786
2503	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
2504	}	3793	}
2505		3794
2506	sub post_cleanup {	3795	sub post_cleanup {
2507	my ($make_core) = @_;	3796	my ($make_core) = @_;
2508		3797
2509	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3799	if $make_core;
2511	}
2512		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
		3828	}
		3829
2513	sub reload() {	3830	sub do_reload_perl() {
2514	# can/must only be called in main	3831	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2516	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2517	return;	3834	return;
2518	}	3835	}
2519		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2520	warn "reloading...";	3842	info "reloading...";
2521		3843
2522	warn "entering sync_job";	3844	trace "entering sync_job";
2523		3845
2524	cf::sync_job {	3846	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2526	cf::emergency_save;	3848	cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2528		3850
2529	warn "syncing database to disk";	3851	trace "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2531		3853
2532	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2533		3855
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2545	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();
2553
2554	warn "removing commands";
2555	%COMMAND = ();
2556
2557	warn "removing ext commands";
2558	%EXTCMD = ();
2559
2560	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";
2563
2564	if (my $cb = $pkg->can ("unload")) {
2565	eval {
2566	$cb->($pkg);
2567	1
2568	} or warn "$pkg unloaded, but with errors: $@";
2569	}	3859	}
2570		3860
2571	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2572	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2573	}	3863	%EXT_CORO = ();
2574		3864
2575	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2576	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2579	warn "... unloading $k";	3874	trace "... unloading $pkg";
2580	delete $INC{$k};
2581		3875
2582	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;
2584
2585	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2586	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2587	}	3885	}
2588		3886
2589	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
2590	}	3902	}
2591		3903
2592	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		3907
2596	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
		3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2598		3911
2599	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3913	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2602		3915
2603	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
2604		3917
2605	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2606	require cf;	3919	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2608		3921
2609	warn "loading config and database again";	3922	trace "loading config and database again";
2610	cf::cfg_load;	3923	cf::reload_config;
2611		3924
2612	warn "loading extensions";	3925	trace "loading extensions";
2613	cf::load_extensions;	3926	cf::load_extensions;
2614		3927
		3928	if ($REATTACH_ON_RELOAD) {
2615	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
2621		3936
2622	warn "loading reloadable resources";	3937	trace "running post_init jobs";
2623	reload_resources;	3938	(pop @POST_INIT)->(1) while @POST_INIT;
2624		3939
2625	warn "leaving sync_job";	3940	trace "leaving sync_job";
2626		3941
2627	1	3942	1
2628	} or do {	3943	} or do {
2629	warn $@;	3944	error $@;
2630	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
2631	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
		3950	}
		3951
		3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
		3954	};
		3955
		3956	our $RELOAD_WATCHER; # used only during reload
		3957
		3958	sub reload_perl() {
		3959	# doing reload synchronously and two reloads happen back-to-back,
		3960	# coro crashes during coro_state_free->destroy here.
		3961
		3962	$RELOAD_WATCHER ||= cf::async {
		3963	Coro::AIO::aio_wait cache_extensions;
		3964
		3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3966	do_reload_perl;
		3967	undef $RELOAD_WATCHER;
		3968	};
2632	};	3969	};
2633		3970	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		3971
2639	register_command "reload" => sub {	3972	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2641		3974
2642	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
2644		3977	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	3978	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	3979	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	3980	};
2657	}	3981	}
2658	};	3982	};
2659		3983
2660	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2661		3985
…		…
2663		3987
2664	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
2666		3990
2667	sub wait_for_tick {	3991	sub wait_for_tick {
2668	return unless $TICK_WATCHER->is_active;
2669	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2670		3993
2671	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
2672	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;	3996	$signal->wait;
2674	}	3997	}
2675		3998
2676	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
2677	return unless $TICK_WATCHER->is_active;
2678	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2679		4001
2680	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	4004	$signal->wait;
2683	}	4005	}
2684		4006
2685	$TICK_WATCHER = Event->timer (	4007	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
2695	return;	4011	return;
2696	}	4012	}
2697		4013
2698	$NOW = Event::time;
2699
2700	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2701		4015
2702	$RUNTIME += $TICK;	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2703	$NEXT_TICK += $TICK;
2704		4017
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	4020	Coro::async_pool {
		4021	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	4022	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	4023	or error "ERROR: unable to write runtime file: $!";
2710	};
2711	}	4024	};
		4025	}
2712		4026
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	4028	$sig->send;
2724	}	4029	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	4031	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	4032	}
2731	);	4033
		4034	$LOAD = ($NOW - $TICK_START) / $TICK;
		4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4036
		4037	if (0) {
		4038	if ($NEXT_TICK) {
		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
		4043	}
		4044	}
2732		4045
2733	{	4046	{
2734	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	4048
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
2744		4050	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		4052
2760	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
2761	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762		4060
2763	cf::sync_job {	4061	cf::sync_job {
2764	eval {	4062	eval {
2765	BDB::db_env_open	4063	BDB::db_env_open
2766	$DB_ENV,	4064	$DB_ENV,
2767	$BDB_ENV_DIR,	4065	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4066	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4067	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	4068	0666;
2771		4069
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4070	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	4071	};
2777		4072
2778	cf::cleanup "db_env_open(db): $@" if $@;	4073	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	4074	};
2780	}	4075	}
		4076
		4077	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4078	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4079	};
		4080	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4081	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4082	};
		4083	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4084	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4085	};
2781	}	4086	}
2782		4087
2783	{	4088	{
		4089	# configure IO::AIO
		4090
2784	IO::AIO::min_parallel 8;	4091	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	4092	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	4093	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	4094	}
		4095
		4096	my $_log_backtrace;
		4097
		4098	sub _log_backtrace {
		4099	my ($msg, @addr) = @_;
		4100
		4101	$msg =~ s/\n//;
		4102
		4103	# limit the # of concurrent backtraces
		4104	if ($_log_backtrace < 2) {
		4105	++$_log_backtrace;
		4106	my $perl_bt = Carp::longmess $msg;
		4107	async {
		4108	$Coro::current->{desc} = "abt $msg";
		4109
		4110	my @bt = fork_call {
		4111	@addr = map { sprintf "%x", $_ } @addr;
		4112	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4113	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4114	or die "addr2line: $!";
		4115
		4116	my @funcs;
		4117	my @res = <$fh>;
		4118	chomp for @res;
		4119	while (@res) {
		4120	my ($func, $line) = splice @res, 0, 2, ();
		4121	push @funcs, "[$func] $line";
		4122	}
		4123
		4124	@funcs
		4125	};
		4126
		4127	LOG llevInfo, "[ABT] $perl_bt\n";
		4128	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4129	LOG llevInfo, "[ABT] $_\n" for @bt;
		4130	--$_log_backtrace;
		4131	};
		4132	} else {
		4133	LOG llevInfo, "[ABT] $msg\n";
		4134	LOG llevInfo, "[ABT] [suppressed]\n";
		4135	}
		4136	}
		4137
		4138	# load additional modules
		4139	require "cf/$_.pm" for @EXTRA_MODULES;
		4140	cf::_connect_to_perl_2;
2797		4141
2798	END { cf::emergency_save }	4142	END { cf::emergency_save }
2799		4143
2800	1	4144	1
2801		4145

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