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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC vs.
Revision 1.540 by root, Tue May 4 23:32:29 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use IO::AIO 2.32 ();
27	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
30		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
33	$Event::Eval = 1; # no idea why this is required, but it is	75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
34		78
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		80
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		82
42	our %COMMAND = ();	83	our %COMMAND = ();
43	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
44		85
45	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
49		91
50	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	93	our @EVENT;
52	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
53		96
54	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	98	our $DATADIR = datadir;
56	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	121	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
61		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
64		130
65	our %CFG;	131	our %CFG;
66		132
67	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
69		136
70	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		140
79	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
82	binmode STDOUT;	154	binmode STDOUT;
83	binmode STDERR;	155	binmode STDERR;
84		156
85	# read virtual server time, if available	157	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
90	}	162	}
91		163
92	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
93	mkdir cf::localdir . "/" . cf::playerdir;	165
94	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
95	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		168
99	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
100		170
101	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
102		187
103	#############################################################################	188	#############################################################################
104		189
105	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
106		191
…		…
113	=item $cf::RUNTIME	198	=item $cf::RUNTIME
114		199
115	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
116	every server tick.	201	every server tick.
117		202
118	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
119		206
120	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
121	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
122		211
123	=item $cf::NOW	212	=item $cf::NOW
124		213
125	The time of the last (current) server tick.	214	The time of the last (current) server tick.
126		215
127	=item $cf::TICK	216	=item $cf::TICK
128		217
129	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
130		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
131	=item %cf::CFG	230	=item %cf::CFG
132		231
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	233	from wherever your confdir points to.
135		234
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		236
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
140	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
142		252
143	=back	253	=back
144		254
145	=cut	255	=cut
146		256
147	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
148	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
149	my $msg = join "", @_;	264	my $msg = join "", @_;
150	utf8::encode $msg;
151		265
152	$msg .= "\n"	266	$msg .= "\n"
153	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
154		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
155	LOG llevError, $msg;	271	LOG llevWarn, $msg;
156	};	272	};
157	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
158		287
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165		295
166	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
167	# within the Safe compartment.	297	# within the Safe compartment.
168	for my $pkg (qw(	298	for my $pkg (qw(
169	cf::global cf::attachable	299	cf::global cf::attachable
170	cf::object cf::object::player	300	cf::object cf::object::player
171	cf::client cf::player	301	cf::client cf::player
172	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
173	cf::map cf::party cf::region	304	cf::party cf::region
174	)) {	305	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	307	}
178		308
179	$Event::DIED = sub {	309	$EV::DIED = sub {
180	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
181	};	311	};
		312
		313	#############################################################################
182		314
183	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
184		316
185	=over 4	317	=over 4
186		318
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	338	$d
207	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
208	}	340	}
209		341
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
213		343
214	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
215		345
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
224		347
225	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
226		349
227	=cut	350	=cut
228		351
229	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
231	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
232	}	369	}
233		370
234	=item cf::lock_wait $string	371	=item cf::lock_wait $string
235		372
236	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
237		374
238	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
239		376
240	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
243	returned.	380	returned.
244		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
245	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
247		387
248	=cut	388	=item $locked = cf::lock_active $string
249		389
250	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
251		395
252	sub lock_wait($) {	396	sub lock_wait($) {
253	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	398	}
261		399
262	sub lock_acquire($) {	400	sub lock_acquire($) {
263	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
264		403
265	# wait, to be sure we are not locked	404	sub lock_active($) {
266	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
267
268	$LOCK{$key} = [];
269
270	Coro::guard {
271	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };
273	}
274	}	406	}
275		407
276	sub freeze_mainloop {	408	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
278		410
279	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
280	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
281	};	478	}
282	$TICK_WATCHER->stop;	479	};
283	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
284	}	494	}
285		495
286	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
287		497
288	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		503
294	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
295		505
296	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
297		507
298	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
301		512
302	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
305	fast or be very important.	516	fast or be very important.
…		…
307	=cut	518	=cut
308		519
309	sub sync_job(&) {	520	sub sync_job(&) {
310	my ($job) = @_;	521	my ($job) = @_;
311		522
312	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
313	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
315		528
316	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	530
318	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
319		532
320	my $busy = 1;	533	my $busy = 1;
321	my @res;	534	my @res;
322		535
323	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	538	@res = eval { $job->() };
325	warn $@ if $@;	539	error $@ if $@;
326	undef $busy;	540	undef $busy;
327	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
328		542
329	while ($busy) {	543	while ($busy) {
330	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
331	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
332		554
333	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
334	} else {	556	} else {
335	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
336		558
…		…
356	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
357		579
358	$coro	580	$coro
359	}	581	}
360		582
361	sub write_runtime {	583	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		584
364	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
365		589
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
367	or return;
368		591
369	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		594
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
374	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
375		598
376	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	600	reset_signals;
378	and return;	601	&$cb
		602	}, @args;
379		603
380	close $fh	604	wantarray ? @res : $res[-1]
381	or return;	605	}
382		606
383	aio_rename "$runtime~", $runtime	607	sub objinfo {
384	and return;
385
386	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	783	}
388		784
389	=back	785	=back
390		786
391	=cut	787	=cut
392		788
393	#############################################################################	789	#############################################################################
394		790
395	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
396		792
397	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
400		796
401	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	799	Deliantra).
404		800
405	=over 4	801	=over 4
406		802
407	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
408		804
…		…
452	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
453		849
454	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
456		852
457	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
459		855
460	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
461		857
462	=over 4	858	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
572		968
573	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		973
578	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	975	my $pkg = shift @arg;
580		976
581	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
586		982
587	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		985
590	} elsif (ref $type) {	986	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
592		988
593	} else {	989	} else {
594	shift @arg;	990	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
596	}	992	}
597	}	993	}
598	}	994	}
599		995
600	sub _object_attach {	996	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
611	}	1007	}
612		1008
613	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
614	} else {	1010	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1012	}
617		1013
618	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
619	}	1015	}
620		1016
…		…
622	if (ref $_[0]) {	1018	if (ref $_[0]) {
623	_object_attach @_;	1019	_object_attach @_;
624	} else {	1020	} else {
625	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
626	}	1022	}
		1023	_recalc_want;
627	};	1024	};
628		1025
629	# all those should be optimised	1026	# all those should be optimised
630	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1032	reattach ($obj);
636	} else {	1033	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
638	}	1035	}
		1036	_recalc_want;
639	};	1037	};
640		1038
641	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
643		1041
…		…
658	";	1056	";
659	die if $@;	1057	die if $@;
660	}	1058	}
661		1059
662	our $override;	1060	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1062
665	sub override {	1063	sub override {
666	$override = 1;	1064	$override = 1;
667	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
668	}	1066	}
669		1067
670	sub do_invoke {	1068	sub do_invoke {
671	my $event = shift;	1069	my $event = shift;
672	my $callbacks = shift;	1070	my $callbacks = shift;
673		1071
674	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
675		1073
676	local $override;	1074	local $override;
677		1075
678	for (@$callbacks) {	1076	for (@$callbacks) {
679	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
680		1078
681	if ($@) {	1079	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1081	override;
685	}	1082	}
686		1083
687	return 1 if $override;	1084	return 1 if $override;
688	}	1085	}
689		1086
690	0	1087	0
691	}	1088	}
692		1089
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1091
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1093
697	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
698		1095
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1099
703	=back	1100	=back
704		1101
705	=cut	1102	=cut
706		1103
707	#############################################################################	1104	#############################################################################
708	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
709		1148
710	sub reattach {	1149	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1151	my ($obj) = @_;
713		1152
		1153	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1155
716	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
717		1157
718	@$registry = ();	1158	@$registry = ();
719		1159
…		…
724	for (@$attach) {	1164	for (@$attach) {
725	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
727	}	1167	}
728	} else {	1168	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1170	}
731	}	1171	}
732	}	1172	}
733		1173
734	cf::attachable->attach (	1174	cf::attachable->attach (
735	prio => -1000000,	1175	prio => -1000000,
736	on_instantiate => sub {	1176	on_instantiate => sub {
737	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
738		1178
739	$data = from_json $data;	1179	$data = decode_json $data;
740		1180
741	for (@$data) {	1181	for (@$data) {
742	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
743		1183
744	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1200	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
762		1202
763	sync_job {	1203	sync_job {
764	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
767		1209
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
772	close $fh;	1217	aio_close $fh;
773		1218
774	if (@$objs) {	1219	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
780	close $fh;	1228	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
782	}	1230	}
783	} else {	1231	} else {
784	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
785	}	1233	}
786		1234
787	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1239	} else {
789	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
790	}	1241	}
791	} else {	1242	} else {
792	aio_unlink $filename;	1243	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
794	}	1245	}
795	}	1246	};
796	}	1247	}
797		1248
798	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
800		1251
…		…
812	or return;	1263	or return;
813		1264
814	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
816	or return;	1267	or return;
		1268
817	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
818	}	1271	}
819		1272
		1273	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
822	return ($data, $av);	1278	($data, $av)
823	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
824		1286
825	#############################################################################	1287	#############################################################################
826	# command handling &c	1288	# command handling &c
827		1289
828	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1304	}
843		1305
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1307
846	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
847		1313
848	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
849	called.	1315	called.
850		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
851	=cut	1328	=cut
852		1329
853	sub register_extcmd {	1330	sub register_extcmd {
854	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
855		1332
856	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
857	}	1334	}
858		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
859	cf::player->attach (	1344	cf::player->attach (
860	on_command => sub {	1345	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
862		1347
863	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
864	or return;	1349	or return;
865		1350
…		…
870	cf::override;	1355	cf::override;
871	},	1356	},
872	on_extcmd => sub {	1357	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
874		1359
875	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1361
877	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
883	} else {	1377	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1379	}
886		1380
887	cf::override;	1381	cf::override;
888	},	1382	},
889	);	1383	);
890		1384
		1385	# "readahead" all extensions
891	sub load_extension {	1386	sub cache_extensions {
892	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
893		1388
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1392	}
919	die $@;
920	}	1393	};
921		1394
922	push @EXTS, $pkg;	1395	$grp
923	}	1396	}
924		1397
925	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
926	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1405	next unless -r $path;
928	eval {	1406
929	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
930	1	1471	}
931	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
932	}	1482	};
933	}	1483	}
934		1484
935	#############################################################################	1485	#############################################################################
936		1486
		1487	=back
		1488
937	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
938		1490
939	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
940		1492
941	=cut	1493	=cut
942		1494
943	package cf::player;	1495	package cf::player;
944		1496
…		…
946		1498
947	=head3 cf::player	1499	=head3 cf::player
948		1500
949	=over 4	1501	=over 4
950		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
		1516
951	=item cf::player::find $login	1517	=item cf::player::find $login
952		1518
953	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
954		1520
955	=cut	1521	=cut
956		1522
957	sub playerdir($) {	1523	sub playerdir($) {
958	cf::localdir	1524	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1526	}
964		1527
965	sub path($) {	1528	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1530
968	(playerdir $login) . "/$login.pl"	1531	(playerdir $login) . "/playerdata"
969	}	1532	}
970		1533
971	sub find_active($) {	1534	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1535	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1536	and $cf::PLAYER{$_[0]}->active
…		…
976		1539
977	sub exists($) {	1540	sub exists($) {
978	my ($login) = @_;	1541	my ($login) = @_;
979		1542
980	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
982	}	1545	}
983		1546
984	sub find($) {	1547	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1549	my $login = $_[0];
987		1550
988	my $guard = cf::lock_acquire "user_find:$login";	1551	my $guard = cf::lock_acquire "user_find:$login";
989		1552
990	$cf::PLAYER{$_[0]} || do {	1553	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1554	# rename old playerfiles to new ones
		1555	#TODO: remove when no longer required
		1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1559	aio_unlink +(playerdir $login) . "/$login.pl";
		1560
		1561	my $f = new_from_file cf::object::thawer path $login
992	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
994	}	1570	}
995	}	1571	}
996	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
997		1586
998	sub save($) {	1587	sub save($) {
999	my ($pl) = @_;	1588	my ($pl) = @_;
1000		1589
1001	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1007		1596
1008	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1010		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1011	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1012	Coro::cede;	1606	cf::cede_to_tick;
1013	}	1607	}
1014		1608
1015	sub new($) {	1609	sub new($) {
1016	my ($login) = @_;	1610	my ($login) = @_;
1017		1611
…		…
1023	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1024		1618
1025	$self	1619	$self
1026	}	1620	}
1027		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1028	=item $pl->quit_character	1632	=item $pl->quit_character
1029		1633
1030	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1032		1636
…		…
1036	my ($pl) = @_;	1640	my ($pl) = @_;
1037		1641
1038	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1039		1643
1040	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1646
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1047		1652
1048	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1080		1685
1081	=cut	1686	=cut
1082		1687
1083	sub list_logins {	1688	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1690	or return [];
1086		1691
1087	my @logins;	1692	my @logins;
1088		1693
1089	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1093		1704
1094	utf8::decode $login;	1705	utf8::decode $login;
1095	push @logins, $login;	1706	push @logins, $login;
1096	}	1707	}
1097		1708
1098	\@logins	1709	\@logins
1099	}	1710	}
1100		1711
1101	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1102		1715
1103	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1104	player. May block.	1717	player. May block.
1105		1718
1106	=cut	1719	=cut
…		…
1124	}	1737	}
1125		1738
1126	\@paths	1739	\@paths
1127	}	1740	}
1128		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1130		1747
1131	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1132		1749
1133	=cut	1750	=cut
1134		1751
1135	sub ext_reply($$$%) {	1752	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1137		1754
1138	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1756	}
1142		1757
1143	package cf;	1758	=item $player->ext_msg ($type, @msg)
		1759
		1760	Sends an ext event to the client.
		1761
		1762	=cut
		1763
		1764	sub ext_msg($$@) {
		1765	my ($self, $type, @msg) = @_;
		1766
		1767	$self->ns->ext_msg ($type, @msg);
		1768	}
		1769
		1770	=head3 cf::region
		1771
		1772	=over 4
		1773
		1774	=cut
		1775
		1776	package cf::region;
		1777
		1778	=item cf::region::find_by_path $path
		1779
		1780	Tries to decuce the likely region for a map knowing only its path.
		1781
		1782	=cut
		1783
		1784	sub find_by_path($) {
		1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
		1789	my ($match, $specificity);
		1790
		1791	for my $region (list) {
		1792	if ($region->{match} && $path =~ $region->{match}) {
		1793	($match, $specificity) = ($region, $region->specificity)
		1794	if $region->specificity > $specificity;
		1795	}
		1796	}
		1797
		1798	$match
		1799	}
1144		1800
1145	=back	1801	=back
1146
1147		1802
1148	=head3 cf::map	1803	=head3 cf::map
1149		1804
1150	=over 4	1805	=over 4
1151		1806
…		…
1163	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1165		1820
1166	sub generate_random_map {	1821	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1168	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1827	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1191		1849
1192	sub register {	1850	sub register {
1193	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1194	my $pkg = caller;	1852	my $pkg = caller;
1195		1853
1196	no strict;
1197	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1198		1855
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	1857	}
1201		1858
1202	# also paths starting with '/'	1859	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		1861
1205	sub thawer_merge {	1862	sub thawer_merge {
1206	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1207		1864
1208	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1209	local $self->{path};	1866	local $self->{path};
1210	local $self->{load_path};	1867	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1868
1214	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1215	}	1870	}
1216		1871
1217	sub normalise {	1872	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1265	return $self;	1920	return $self;
1266	}	1921	}
1267	}	1922	}
1268		1923
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1925	()
1271	}	1926	}
1272		1927
1273	sub init {	1928	sub init {
1274	my ($self) = @_;	1929	my ($self) = @_;
…		…
1289		1944
1290	# the original (read-only) location	1945	# the original (read-only) location
1291	sub load_path {	1946	sub load_path {
1292	my ($self) = @_;	1947	my ($self) = @_;
1293		1948
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1295	}	1950	}
1296		1951
1297	# the temporary/swap location	1952	# the temporary/swap location
1298	sub save_path {	1953	sub save_path {
1299	my ($self) = @_;	1954	my ($self) = @_;
1300		1955
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1303	}	1958	}
1304		1959
1305	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1306	sub uniq_path {	1961	sub uniq_path {
1307	my ($self) = @_;	1962	my ($self) = @_;
1308		1963
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1311	}	1966	}
1312		1967
1313	# and all this just because we cannot iterate over	1968	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	1969	my ($self) = @_;
1317		1970
1318	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1320	}	1974	}
1321		1975
1322	sub unlink_save {	1976	sub unlink_save {
1323	my ($self) = @_;	1977	my ($self) = @_;
1324		1978
…		…
1329		1983
1330	sub load_header_from($) {	1984	sub load_header_from($) {
1331	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1332		1986
1333	utf8::encode $path;	1987	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1339		1996
1340	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1341		1998
1342	1	1999	1
1343	}	2000	}
…		…
1382	$self->load_header_orig	2039	$self->load_header_orig
1383	or return;	2040	or return;
1384	$self->prepare_orig;	2041	$self->prepare_orig;
1385	}	2042	}
1386		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
1387	1	2050	1
1388	}	2051	}
1389		2052
1390	sub find;	2053	sub find;
1391	sub find {	2054	sub find {
1392	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1393		2056
1394	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1395		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2061
1398	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1401	or return;	2064	or return;
1402		2065
1403	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1404		2067
1405	$map->load_header	2068	$map->load_header
1406	or return;	2069	or return;
1407		2070
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1411	$map->reset;	2076	$map->reset;
1412	undef $guard;
1413	return find $path;	2077	return find $path;
1414	}	2078	}
1415		2079
1416	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1417	}	2081	}
1418	}	2082	}
1419		2083
1420	sub pre_load { }	2084	sub pre_load { }
1421	sub post_load { }	2085	#sub post_load { } # XS
1422		2086
1423	sub load {	2087	sub load {
1424	my ($self) = @_;	2088	my ($self) = @_;
1425		2089
1426	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1427		2091
1428	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1430		2096
		2097	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2099
1433	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1434		2101
1435	$self->alloc;	2102	$self->alloc;
1436		2103
1437	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1438		2106
1439	$self->_load_objects ($self->{load_path}, 1)	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1440	or return;	2110	or return;
1441		2111
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1443	if delete $self->{load_original};	2113	if delete $self->{load_original};
1444		2114
1445	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2116	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2119	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1450	}	2123	}
1451	}	2124	}
1452		2125
1453	Coro::cede;	2126	$f->resolve_delayed_derefs;
1454		2127
		2128	cf::cede_to_tick;
1455	# now do the right thing for maps	2129	# now do the right thing for maps
1456	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2132	unless $self->difficulty;
1466	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1467	$self->activate;	2140	$self->activate;
		2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2147	}
1469		2148
1470	$self->post_load;	2149	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2150	}
1474		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1475	sub customise_for {	2155	sub customise_for {
1476	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1477		2157
1478	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2159	if $self->per_player;
1480		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1481	$self	2164	$self
1482	}	2165	}
1483		2166
1484	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2168	sub load_neighbours {
1486	my ($map) = @_;	2169	my ($map) = @_;
1487		2170
1488	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1489		2172
1490	for (0 .. 3) {	2173	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1492	or next;	2175	or next;
1493	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1494	or next;	2177	or next;
1495	$neigh->load;	2178	$neigh->load;
1496		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2184	}
1500		2185
1501	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1503	or next;	2189	or next;
1504	$neigh->load;	2190	$neigh->load;
1505	}	2191	}
1506	}	2192	}
1507		2193
1508	sub find_sync {	2194	sub find_sync {
1509	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1510		2196
1511	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1512	}	2201	}
1513		2202
1514	sub do_load_sync {	2203	sub do_load_sync {
1515	my ($map) = @_;	2204	my ($map) = @_;
1516		2205
1517	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1518	}	2210	}
1519		2211
1520	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1522		2214
1523	sub find_async {	2215	sub find_async {
1524	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1525		2217
1526	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1527		2219
1528	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2222	}
1531		2223
1532	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1533	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1534	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2231	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2232	$map->load if $v;
		2233	}
1539		2234
1540	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1541	}	2236	}
1542	}	2237	}
1543	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1544	};	2239	};
1545	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1546		2241
1547	()	2242	()
1548	}	2243	}
1549		2244
		2245	# common code, used by both ->save and ->swapout
1550	sub save {	2246	sub _save {
1551	my ($self) = @_;	2247	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2248
1555	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1556		2250
1557	return unless $self->dirty;	2251	return unless $self->dirty;
1558		2252
…		…
1564	return if $self->{deny_save};	2258	return if $self->{deny_save};
1565		2259
1566	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1567		2261
1568	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1570	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1571		2268
1572	if ($uniq) {	2269	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2272	} else {
1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1577	}	2274	}
1578	}	2275	}
1579		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1580	sub swap_out {	2285	sub swap_out {
1581	my ($self) = @_;	2286	my ($self) = @_;
1582		2287
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1588	return if $self->players;	2292	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1592	$self->clear;	2303	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2304	}
1595		2305
1596	sub reset_at {	2306	sub reset_at {
1597	my ($self) = @_;	2307	my ($self) = @_;
1598		2308
1599	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1602		2311
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2314
…		…
1616	my ($self) = @_;	2325	my ($self) = @_;
1617		2326
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2328
1620	return if $self->players;	2329	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2330
1623	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1624		2332
1625	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1626		2334
1627	# need to save uniques path	2335	# need to save uniques path
1628	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2340	if $uniq;
1633	}	2341	}
1634		2342
1635	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1636		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2347	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2348
1641	$self->unlink_save;	2349	$self->unlink_save;
1642	$self->destroy;	2350	$self->destroy;
1643	}	2351	}
1644		2352
1645	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1646		2354
1647	sub nuke {	2355	sub nuke {
1648	my ($self) = @_;	2356	my ($self) = @_;
1649		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1650	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1651		2362
1652	$self->unlink_save;	2363	$self->unlink_save;
1653		2364
1654	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2370
1660	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1661		2373
1662	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1663	}	2411	}
1664		2412
1665	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1666		2414
1667	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2416	instantiated unique items. May block.
1669		2417
1670	=cut	2418	=cut
1671		2419
1672	sub unique_maps() {	2420	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1674	or return;	2422	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2423	utf8::decode $_;
1680	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2426	? ()
1683	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2429	]
1685
1686	\@paths
1687	}	2430	}
1688		2431
1689	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1690		2463
1691	=back	2464	=back
1692		2465
1693	=head3 cf::object	2466	=head3 cf::object
1694		2467
…		…
1698		2471
1699	=over 4	2472	=over 4
1700		2473
1701	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1702		2475
1703	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1704		2478
1705	=cut	2479	=cut
1706		2480
1707	sub inv_recursive_;	2481	sub inv_recursive_;
1708	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1711		2485
1712	sub inv_recursive {	2486	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1714	}	2488	}
1715		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1716	package cf;	2518	package cf;
1717		2519
1718	=back	2520	=back
1719		2521
1720	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1729		2531
1730	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1731		2547
1732	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2549	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1737		2553
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2555
1740	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1742	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1745	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1746	}	2581	}
1747		2582
1748	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1749		2584
1750	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1763		2598
1764	=item $player_object->enter_link	2599	=item $player_object->enter_link
1765		2600
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2602
1768	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1769	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1770		2607
1771	Will never block.	2608	Will never block.
1772		2609
1773	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1774		2611
…		…
1794	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2632	my ($self) = @_;
1796		2633
1797	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1798		2635
		2636	++$self->{_link_recursion};
		2637
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2639
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1803		2642
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2644	}
1806		2645
1807	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1809		2650
1810	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1811		2652
1812	unless ($map) {	2653	unless ($map) {
1813	# restore original map position	2654	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1826		2667
1827	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1830		2671
1831	$map->load;	2672	$map->load;
1832	$map->load_diag;	2673	$map->load_neighbours;
1833		2674
1834	return unless $self->contr->active;	2675	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2676
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1839	}	2679	# entering was successful
1840		2680	delete $self->{_link_recursion};
1841	cf::player->attach (	2681	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2682	$self->activate_recursive;
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},	2683	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2684
1855	# try to abort aborted map switching on player login :)	2685	}
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2686
1873	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1875	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1876		2701
1877	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2713
1880	$self->enter_link;	2714	$self->enter_link;
1881		2715
1882	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1883	my $map = eval {	2738	my $map = eval {
1884	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1886	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2754	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1891	})->prio (1);	2762	})->prio (1);
1892	}	2763	}
1893		2764
1894	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1895		2766
…		…
1915	}	2786	}
1916		2787
1917	sub prepare_random_map {	2788	sub prepare_random_map {
1918	my ($exit) = @_;	2789	my ($exit) = @_;
1919		2790
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2793	# that depends on the exit object
1925		2794
1926	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2797	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1933	}	2804	}
1934		2805
1935	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1936		2807
1937	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1940		2811
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2814	undef $fh;
1944	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1945		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1948	}	2823	}
1949	}	2824	}
1950		2825
1951	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
1953		2828
1954	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1955		2830
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2831	$self->enter_link;
1966		2832
1967	(async {	2833	(async {
1968	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1969	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
1970	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
1971		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1972	1;	2857	1
1973	}) {	2858	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2863
1979	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	2865	$self->leave_link;
1981	}	2866	}
1982	})->prio (1);	2867	})->prio (1);
1983	}	2868	}
1984		2869
…		…
1998		2883
1999	utf8::encode $text;	2884	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2886	}
2002		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
2003		3109
2004	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2005		3111
2006	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3115
2010	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3117	become reliable at some point in the future.
2012		3118
2013	=cut	3119	=cut
2014		3120
2015	sub cf::client::query {	3121	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3130	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3132
2027	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2029	}	3137	}
2030		3138
2031	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2032	on_reply => sub {	3145	on_reply => sub {
2033	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2034		3147
2035	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2036	# get handled first	3149	# get handled first
…		…
2048	} else {	3161	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3163	}
2051	}	3164	}
2052	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2053	);	3192	);
2054		3193
2055	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2056		3195
2057	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3212
2074	$coro	3213	$coro
2075	}	3214	}
2076		3215
2077	cf::client->attach (	3216	cf::client->attach (
2078	on_destroy => sub {	3217	on_client_destroy => sub {
2079	my ($ns) = @_;	3218	my ($ns) = @_;
2080		3219
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3221	},
2083	);	3222	);
…		…
2098	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2100		3239
2101	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2102		3241
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2104		3247
2105	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2106		3249
2107	=pod	3250	=pod
2108		3251
2109	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2110		3253
2111	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2112	cf::object::player player	3259	cf::object::player
2113	cf::player peaceful	3260	player
2114	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2115		3267
2116	=cut	3268	=cut
2117		3269
2118	for (	3270	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2123	) {	3277	) {
2124	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2127	for @funs;	3280	for @funs;
2128	}	3281	}
2129		3282
…		…
2144		3297
2145	my $qcode = $code;	3298	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2148		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2149	local $_;	3305	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3306
2152	my $eval =	3307	my $eval =
2153	"do {\n"	3308	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3311	. $code
2157	. "\n}"	3312	. "\n}"
2158	;	3313	;
2159		3314
		3315	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2163		3324
2164	if ($@) {	3325	if ($@) {
2165	warn "$@";	3326	warn "$@",
2166	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2168	}	3329	}
2169		3330
2170	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2171	}	3332	}
2172		3333
…		…
2186	=cut	3347	=cut
2187		3348
2188	sub register_script_function {	3349	sub register_script_function {
2189	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2190		3351
2191	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2193	}	3354	}
2194		3355
2195	=back	3356	=back
2196		3357
2197	=cut	3358	=cut
2198
2199	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270		3359
2271	#############################################################################	3360	#############################################################################
2272	# the server's init and main functions	3361	# the server's init and main functions
2273		3362
		3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
		3366
		3367	if (in_main && !tick_inhibit) {
		3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
		3372
		3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	warn "$dir/$mod\n";#d#
		3376	ref $dir and next;
		3377	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3378	or next;
		3379
		3380	$data = "#line 1 $dir/$mod\n$data";
		3381
		3382	open my $fh, "<", \$data or die;
		3383
		3384	return $fh;
		3385	}
		3386
		3387	()
		3388	}
		3389
		3390	sub init_inc {
		3391	# save original @INC
		3392	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3393
		3394	# make sure we can do scalar-opens
		3395	open my $dummy, "<", \my $dummy2;
		3396
		3397	# execute some stuff so perl load's some of the core modules
		3398	/Ü/ =~ /ü/i;
		3399	eval { &Storable::nstore_fd };
		3400
		3401	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3402
		3403	debug "module loading will be asynchronous from this point on.";
		3404	}
		3405
2274	sub load_faces {	3406	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3407	my ($path) = @_;
2276		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
2277	warn "loading faces from $path\n";	3415	trace "loading facedata from $path\n";
2278		3416
2279	my $faces;	3417	my $facedata;
2280	0 < aio_load $path, $faces	3418	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3419	or die "$path: $!";
2282		3420
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3421	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3422
		3423	$facedata->{version} == 2
		3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
		3435	{
		3436	my $faces = $facedata->{faceinfo};
		3437
2287	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3440
		3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2291	Coro::cede;	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2292	}
2293		3445
		3446	cf::cede_to_tick;
		3447	}
		3448
2294	while (my ($face, $info) = each %$faces) {	3449	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	3450	next unless $info->{smooth};
		3451
2296	my $idx = cf::face::find $face	3452	my $idx = cf::face::find $face
		3453	or next;
		3454
		3455	if (my $smooth = cf::face::find $info->{smooth}) {
		3456	cf::face::set_smooth $idx, $smooth;
		3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3458	} else {
		3459	error "smooth face '$info->{smooth}' not found for face '$face'";
		3460	}
		3461
		3462	cf::cede_to_tick;
		3463	}
		3464	}
		3465
		3466	{
		3467	my $anims = $facedata->{animinfo};
		3468
		3469	while (my ($anim, $info) = each %$anims) {
		3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3471	cf::cede_to_tick;
		3472	}
		3473
		3474	cf::anim::invalidate_all; # d'oh
		3475	}
		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
		3496	1
		3497	}
		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
		3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
		3522	load_resource_file "$MAPDIR/regions"
		3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
		3529	}
		3530
		3531	sub reload_facedata {
		3532	load_facedata "$DATADIR/facedata"
		3533	or die "unable to load facedata\n";
		3534	}
		3535
		3536	sub reload_archetypes {
		3537	load_resource_file "$DATADIR/archetypes"
		3538	or die "unable to load archetypes\n";
		3539	}
		3540
		3541	sub reload_treasures {
		3542	load_resource_file "$DATADIR/treasures"
		3543	or die "unable to load treasurelists\n";
		3544	}
		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
2297	or next;	3556	or next;
2298	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
2301	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}
2304	Coro::cede;
2305	}
2306		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2307	1	3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
2308	}	3567	}
2309		3568
2310	sub reload_resources {	3569	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3570	trace "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	3571
2313	load_faces	3572	reload_facedata;
2314	or die "unable to load faces\n";#d#	3573	reload_sound;
2315	}	3574	reload_archetypes;
2316
2317	sub init {
2318	reload_resources;	3575	reload_regions;
2319	}	3576	reload_treasures;
2320		3577
2321	sub cfg_load {	3578	trace "finished reloading resource files\n";
		3579	}
		3580
		3581	sub reload_config {
		3582	trace "reloading config file...\n";
		3583
2322	open my $fh, "<:utf8", cf::confdir . "/config"	3584	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	3585	or return;
2324		3586
2325	local $/;	3587	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = YAML::XS::Load scalar <$fh>;
2327		3589
2328	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2329		3591
2330	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2331	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2332		3594
2333	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2335	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3597	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2336	and die "WARNING: m(un)lockall failed: $!\n";	3598	and die "WARNING: m(un)lockall failed: $!\n";
2337	};	3599	};
2338	warn $@ if $@;	3600	warn $@ if $@;
2339	}	3601	}
		3602
		3603	trace "finished reloading resource files\n";
		3604	}
		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
2340	}	3632	}
2341		3633
2342	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2343	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2344	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2345	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2346	(async {	3647	(async {
2347	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2348	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2349	};	3651	};
2350		3652
2351	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	init_inc;
		3657
		3658	cf::init_experience;
		3659	cf::init_anim;
		3660	cf::init_attackmess;
		3661	cf::init_dynamic;
		3662
		3663	cf::load_settings;
		3664	cf::load_materials;
		3665
		3666	reload_resources;
		3667	reload_config;
2352	db_init;	3668	db_init;
		3669
		3670	cf::init_uuid;
		3671	cf::init_signals;
		3672	cf::init_skills;
		3673
		3674	cf::init_beforeplay;
		3675
		3676	atomic;
		3677
2353	load_extensions;	3678	load_extensions;
2354		3679
2355	$TICK_WATCHER->start;	3680	utime time, time, $RUNTIMEFILE;
2356	Event::loop;	3681
		3682	# no (long-running) fork's whatsoever before this point(!)
		3683	use POSIX ();
		3684	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3685
		3686	(pop @POST_INIT)->(0) while @POST_INIT;
		3687	};
		3688
		3689	cf::object::thawer::errors_are_fatal 0;
		3690	info "parse errors in files are no longer fatal from this point on.\n";
		3691
		3692	my $free_main; $free_main = EV::idle sub {
		3693	undef $free_main;
		3694	undef &main; # free gobs of memory :)
		3695	};
		3696
		3697	goto &main_loop;
2357	}	3698	}
2358		3699
2359	#############################################################################	3700	#############################################################################
2360	# initialisation and cleanup	3701	# initialisation and cleanup
2361		3702
2362	# install some emergency cleanup handlers	3703	# install some emergency cleanup handlers
2363	BEGIN {	3704	BEGIN {
		3705	our %SIGWATCHER = ();
2364	for my $signal (qw(INT HUP TERM)) {	3706	for my $signal (qw(INT HUP TERM)) {
2365	Event->signal (	3707	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2366	reentrant => 0,
2367	data => WF_AUTOCANCEL,
2368	signal => $signal,
2369	prio => 0,
2370	cb => sub {
2371	cf::cleanup "SIG$signal";	3708	cf::cleanup "SIG$signal";
2372	},
2373	);	3709	};
		3710	}
		3711	}
		3712
		3713	sub write_runtime_sync {
		3714	my $t0 = AE::time;
		3715
		3716	# first touch the runtime file to show we are still running:
		3717	# the fsync below can take a very very long time.
		3718
		3719	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3720
		3721	my $guard = cf::lock_acquire "write_runtime";
		3722
		3723	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3724	or return;
		3725
		3726	my $value = $cf::RUNTIME + 90 + 10;
		3727	# 10 is the runtime save interval, for a monotonic clock
		3728	# 60 allows for the watchdog to kill the server.
		3729
		3730	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3731	and return;
		3732
		3733	# always fsync - this file is important
		3734	aio_fsync $fh
		3735	and return;
		3736
		3737	# touch it again to show we are up-to-date
		3738	aio_utime $fh, undef, undef;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3744	and return;
		3745
		3746	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3747
2374	}	3748	1
		3749	}
		3750
		3751	our $uuid_lock;
		3752	our $uuid_skip;
		3753
		3754	sub write_uuid_sync($) {
		3755	$uuid_skip ||= $_[0];
		3756
		3757	return if $uuid_lock;
		3758	local $uuid_lock = 1;
		3759
		3760	my $uuid = "$LOCALDIR/uuid";
		3761
		3762	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3763	or return;
		3764
		3765	my $value = uuid_seq uuid_cur;
		3766
		3767	unless ($value) {
		3768	info "cowardly refusing to write zero uuid value!\n";
		3769	return;
		3770	}
		3771
		3772	my $value = uuid_str $value + $uuid_skip;
		3773	$uuid_skip = 0;
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	close $fh
		3783	or return;
		3784
		3785	aio_rename "$uuid~", $uuid
		3786	and return;
		3787
		3788	trace "uuid file written ($value).\n";
		3789
		3790	1
		3791
		3792	}
		3793
		3794	sub write_uuid($$) {
		3795	my ($skip, $sync) = @_;
		3796
		3797	$sync ? write_uuid_sync $skip
		3798	: async { write_uuid_sync $skip };
2375	}	3799	}
2376		3800
2377	sub emergency_save() {	3801	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	3802	my $freeze_guard = cf::freeze_mainloop;
2379		3803
2380	warn "enter emergency perl save\n";	3804	info "emergency_perl_save: enter\n";
		3805
		3806	# this is a trade-off: we want to be very quick here, so
		3807	# save all maps without fsync, and later call a global sync
		3808	# (which in turn might be very very slow)
		3809	local $USE_FSYNC = 0;
2381		3810
2382	cf::sync_job {	3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
		3813
2383	# use a peculiar iteration method to avoid tripping on perl	3814	# use a peculiar iteration method to avoid tripping on perl
2384	# refcount bugs in for. also avoids problems with players	3815	# refcount bugs in for. also avoids problems with players
2385	# and maps saved/destroyed asynchronously.	3816	# and maps saved/destroyed asynchronously.
2386	warn "begin emergency player save\n";	3817	info "emergency_perl_save: begin player save\n";
2387	for my $login (keys %cf::PLAYER) {	3818	for my $login (keys %cf::PLAYER) {
2388	my $pl = $cf::PLAYER{$login} or next;	3819	my $pl = $cf::PLAYER{$login} or next;
2389	$pl->valid or next;	3820	$pl->valid or next;
		3821	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2390	$pl->save;	3822	$pl->save;
2391	}	3823	}
2392	warn "end emergency player save\n";	3824	info "emergency_perl_save: end player save\n";
2393		3825
2394	warn "begin emergency map save\n";	3826	cf::write_runtime_sync; # external watchdog should not bark
		3827
		3828	info "emergency_perl_save: begin map save\n";
2395	for my $path (keys %cf::MAP) {	3829	for my $path (keys %cf::MAP) {
2396	my $map = $cf::MAP{$path} or next;	3830	my $map = $cf::MAP{$path} or next;
2397	$map->valid or next;	3831	$map->valid or next;
2398	$map->save;	3832	$map->save;
2399	}	3833	}
2400	warn "end emergency map save\n";	3834	info "emergency_perl_save: end map save\n";
2401		3835
2402	warn "begin emergency database checkpoint\n";	3836	cf::write_runtime_sync; # external watchdog should not bark
		3837
		3838	info "emergency_perl_save: begin database checkpoint\n";
2403	BDB::db_env_txn_checkpoint $DB_ENV;	3839	BDB::db_env_txn_checkpoint $DB_ENV;
2404	warn "end emergency database checkpoint\n";	3840	info "emergency_perl_save: end database checkpoint\n";
		3841
		3842	info "emergency_perl_save: begin write uuid\n";
		3843	write_uuid_sync 1;
		3844	info "emergency_perl_save: end write uuid\n";
		3845
		3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	trace "emergency_perl_save: syncing database to disk";
		3849	BDB::db_env_txn_checkpoint $DB_ENV;
		3850
		3851	info "emergency_perl_save: starting sync\n";
		3852	IO::AIO::aio_sync sub {
		3853	info "emergency_perl_save: finished sync\n";
		3854	};
		3855
		3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	trace "emergency_perl_save: flushing outstanding aio requests";
		3859	while (IO::AIO::nreqs || BDB::nreqs) {
		3860	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3861	}
		3862
		3863	cf::write_runtime_sync; # external watchdog should not bark
2405	};	3864	};
2406		3865
2407	warn "leave emergency perl save\n";	3866	info "emergency_perl_save: leave\n";
2408	}	3867	}
2409		3868
2410	sub post_cleanup {	3869	sub post_cleanup {
2411	my ($make_core) = @_;	3870	my ($make_core) = @_;
2412		3871
		3872	IO::AIO::flush;
		3873
2413	warn Carp::longmess "post_cleanup backtrace"	3874	error Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	3875	if $make_core;
2415	}
2416		3876
		3877	my $fh = pidfile;
		3878	unlink $PIDFILE if <$fh> == $$;
		3879	}
		3880
		3881	# a safer delete_package, copied from Symbol
		3882	sub clear_package($) {
		3883	my $pkg = shift;
		3884
		3885	# expand to full symbol table name if needed
		3886	unless ($pkg =~ /^main::.*::$/) {
		3887	$pkg = "main$pkg" if $pkg =~ /^::/;
		3888	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3889	$pkg .= '::' unless $pkg =~ /::$/;
		3890	}
		3891
		3892	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3893	my $stem_symtab = *{$stem}{HASH};
		3894
		3895	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3896	or return;
		3897
		3898	# clear all symbols
		3899	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3900	for my $name (keys %$leaf_symtab) {
		3901	_gv_clear *{"$pkg$name"};
		3902	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3903	}
		3904	}
		3905
2417	sub reload() {	3906	sub do_reload_perl() {
2418	# can/must only be called in main	3907	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	3908	if (in_main) {
2420	warn "can only reload from main coroutine";	3909	error "can only reload from main coroutine";
2421	return;	3910	return;
2422	}	3911	}
2423		3912
		3913	return if $RELOAD++;
		3914
		3915	my $t1 = AE::time;
		3916
		3917	while ($RELOAD) {
2424	warn "reloading...";	3918	info "reloading...";
2425		3919
2426	warn "entering sync_job";	3920	trace "entering sync_job";
2427		3921
2428	cf::sync_job {	3922	cf::sync_job {
2429	cf::write_runtime; # external watchdog should not bark
2430	cf::emergency_save;	3923	cf::emergency_save;
2431	cf::write_runtime; # external watchdog should not bark
2432		3924
2433	warn "syncing database to disk";
2434	BDB::db_env_txn_checkpoint $DB_ENV;
2435
2436	# if anything goes wrong in here, we should simply crash as we already saved
2437
2438	warn "cancelling all WF_AUTOCANCEL watchers";
2439	for (Event::all_watchers) {
2440	$_->cancel if $_->data & WF_AUTOCANCEL;
2441	}
2442
2443	warn "flushing outstanding aio requests";
2444	for (;;) {
2445	BDB::flush;
2446	IO::AIO::flush;
2447	Coro::cede;
2448	last unless IO::AIO::nreqs || BDB::nreqs;
2449	warn "iterate...";
2450	}
2451
2452	++$RELOAD;
2453
2454	warn "cancelling all extension coros";	3925	trace "cancelling all extension coros";
2455	$_->cancel for values %EXT_CORO;	3926	$_->cancel for values %EXT_CORO;
2456	%EXT_CORO = ();	3927	%EXT_CORO = ();
2457		3928
2458	warn "removing commands";	3929	trace "removing commands";
2459	%COMMAND = ();	3930	%COMMAND = ();
2460		3931
2461	warn "removing ext commands";	3932	trace "removing ext/exti commands";
2462	%EXTCMD = ();	3933	%EXTCMD = ();
		3934	%EXTICMD = ();
2463		3935
2464	warn "unloading/nuking all extensions";	3936	trace "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {	3937	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";	3938	trace "... unloading $pkg";
2467		3939
2468	if (my $cb = $pkg->can ("unload")) {	3940	if (my $cb = $pkg->can ("unload")) {
2469	eval {	3941	eval {
2470	$cb->($pkg);	3942	$cb->($pkg);
2471	1	3943	1
2472	} or warn "$pkg unloaded, but with errors: $@";	3944	} or error "$pkg unloaded, but with errors: $@";
		3945	}
		3946
		3947	trace "... clearing $pkg";
		3948	clear_package $pkg;
2473	}	3949	}
2474		3950
2475	warn "... nuking $pkg";
2476	Symbol::delete_package $pkg;
2477	}
2478
2479	warn "unloading all perl modules loaded from $LIBDIR";	3951	trace "unloading all perl modules loaded from $LIBDIR";
2480	while (my ($k, $v) = each %INC) {	3952	while (my ($k, $v) = each %INC) {
2481	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3953	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2482		3954
2483	warn "... unloading $k";	3955	trace "... unloading $k";
2484	delete $INC{$k};	3956	delete $INC{$k};
2485		3957
2486	$k =~ s/\.pm$//;	3958	$k =~ s/\.pm$//;
2487	$k =~ s/\//::/g;	3959	$k =~ s/\//::/g;
2488		3960
2489	if (my $cb = $k->can ("unload_module")) {	3961	if (my $cb = $k->can ("unload_module")) {
2490	$cb->();	3962	$cb->();
		3963	}
		3964
		3965	clear_package $k;
2491	}	3966	}
2492		3967
2493	Symbol::delete_package $k;
2494	}
2495
2496	warn "getting rid of safe::, as good as possible";	3968	trace "getting rid of safe::, as good as possible";
2497	Symbol::delete_package "safe::$_"	3969	clear_package "safe::$_"
2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3970	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2499		3971
2500	warn "unloading cf.pm \"a bit\"";	3972	trace "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3973	delete $INC{"cf.pm"};
		3974	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2502		3975
2503	# don't, removes xs symbols, too,	3976	# don't, removes xs symbols, too,
2504	# and global variables created in xs	3977	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	3978	#clear_package __PACKAGE__;
2506		3979
2507	warn "unload completed, starting to reload now";	3980	info "unload completed, starting to reload now";
2508		3981
2509	warn "reloading cf.pm";	3982	trace "reloading cf.pm";
2510	require cf;	3983	require cf;
2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3984	cf::_connect_to_perl_1;
2512		3985
2513	warn "loading config and database again";	3986	trace "loading config and database again";
2514	cf::cfg_load;	3987	cf::reload_config;
2515		3988
2516	warn "loading extensions";	3989	trace "loading extensions";
2517	cf::load_extensions;	3990	cf::load_extensions;
2518		3991
		3992	if ($REATTACH_ON_RELOAD) {
2519	warn "reattaching attachments to objects/players";	3993	trace "reattaching attachments to objects/players";
2520	_global_reattach; # objects, sockets	3994	_global_reattach; # objects, sockets
2521	warn "reattaching attachments to maps";	3995	trace "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3996	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3997	trace "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3998	reattach $_ for values %PLAYER;
		3999	}
2525		4000
2526	warn "loading reloadable resources";	4001	trace "running post_init jobs";
2527	reload_resources;	4002	(pop @POST_INIT)->(1) while @POST_INIT;
2528		4003
2529	warn "leaving sync_job";	4004	trace "leaving sync_job";
2530		4005
2531	1	4006	1
2532	} or do {	4007	} or do {
2533	warn $@;	4008	error $@;
2534	warn "error while reloading, exiting.";	4009	cf::cleanup "error while reloading, exiting.";
2535	exit 1;	4010	};
		4011
		4012	info "reloaded";
		4013	--$RELOAD;
		4014	}
		4015
		4016	$t1 = AE::time - $t1;
		4017	info "reload completed in ${t1}s\n";
		4018	};
		4019
		4020	our $RELOAD_WATCHER; # used only during reload
		4021
		4022	sub reload_perl() {
		4023	# doing reload synchronously and two reloads happen back-to-back,
		4024	# coro crashes during coro_state_free->destroy here.
		4025
		4026	$RELOAD_WATCHER ||= cf::async {
		4027	Coro::AIO::aio_wait cache_extensions;
		4028
		4029	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4030	do_reload_perl;
		4031	undef $RELOAD_WATCHER;
		4032	};
2536	};	4033	};
2537		4034	}
2538	warn "reloaded";
2539	};
2540
2541	our $RELOAD_WATCHER; # used only during reload
2542		4035
2543	register_command "reload" => sub {	4036	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	4037	my ($who, $arg) = @_;
2545		4038
2546	if ($who->flag (FLAG_WIZ)) {	4039	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	4040	$who->message ("reloading server.");
2548		4041	async {
2549	# doing reload synchronously and two reloads happen back-to-back,	4042	$Coro::current->{desc} = "perl_reload";
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;	4043	reload_perl;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);	4044	};
2561	}	4045	}
2562	};	4046	};
2563		4047
2564	unshift @INC, $LIBDIR;	4048	#############################################################################
2565		4049
2566	my $bug_warning = 0;	4050	my $bug_warning = 0;
2567		4051
2568	$TICK_WATCHER = Event->timer (	4052	our @WAIT_FOR_TICK;
2569	reentrant => 0,	4053	our @WAIT_FOR_TICK_BEGIN;
2570	parked => 1,	4054
2571	prio => 0,	4055	sub wait_for_tick {
2572	at => $NEXT_TICK || $TICK,	4056	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2573	data => WF_AUTOCANCEL,	4057
2574	cb => sub {	4058	my $signal = new Coro::Signal;
		4059	push @WAIT_FOR_TICK, $signal;
		4060	$signal->wait;
		4061	}
		4062
		4063	sub wait_for_tick_begin {
		4064	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4065
		4066	my $signal = new Coro::Signal;
		4067	push @WAIT_FOR_TICK_BEGIN, $signal;
		4068	$signal->wait;
		4069	}
		4070
		4071	sub tick {
2575	if ($Coro::current != $Coro::main) {	4072	if ($Coro::current != $Coro::main) {
2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4073	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577	unless ++$bug_warning > 10;	4074	unless ++$bug_warning > 10;
2578	return;	4075	return;
2579	}	4076	}
2580		4077
2581	$NOW = Event::time;
2582
2583	cf::server_tick; # one server iteration	4078	cf::server_tick; # one server iteration
2584	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;
2586		4079
		4080	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4081
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4082	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	4083	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2589	Coro::async_pool {	4084	Coro::async_pool {
		4085	$Coro::current->{desc} = "runtime saver";
2590	write_runtime	4086	write_runtime_sync
2591	or warn "ERROR: unable to write runtime file: $!";	4087	or error "ERROR: unable to write runtime file: $!";
2592	};
2593	}	4088	};
2594
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#
2600
2601	# if we are delayed by four ticks or more, skip them all
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2603
2604	$TICK_WATCHER->at ($NEXT_TICK);
2605	$TICK_WATCHER->start;
2606	},	4089	}
2607	);	4090
		4091	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4092	$sig->send;
		4093	}
		4094	while (my $sig = shift @WAIT_FOR_TICK) {
		4095	$sig->send;
		4096	}
		4097
		4098	$LOAD = ($NOW - $TICK_START) / $TICK;
		4099	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4100
		4101	if (0) {
		4102	if ($NEXT_TICK) {
		4103	my $jitter = $TICK_START - $NEXT_TICK;
		4104	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4105	debug "jitter $JITTER\n";#d#
		4106	}
		4107	}
		4108	}
2608		4109
2609	{	4110	{
2610	BDB::max_poll_time $TICK * 0.1;	4111	# configure BDB
2611	$BDB_POLL_WATCHER = Event->io (	4112
2612	reentrant => 0,
2613	fd => BDB::poll_fileno,
2614	poll => 'r',
2615	prio => 0,
2616	data => WF_AUTOCANCEL,
2617	cb => \&BDB::poll_cb,
2618	);
2619	BDB::min_parallel 8;	4113	BDB::min_parallel 16;
2620		4114	BDB::max_poll_reqs $TICK * 0.1;
2621	BDB::set_sync_prepare {	4115	$AnyEvent::BDB::WATCHER->priority (1);
2622	my $status;
2623	my $current = $Coro::current;
2624	(
2625	sub {
2626	$status = $!;
2627	$current->ready; undef $current;
2628	},
2629	sub {
2630	Coro::schedule while defined $current;
2631	$! = $status;
2632	},
2633	)
2634	};
2635		4116
2636	unless ($DB_ENV) {	4117	unless ($DB_ENV) {
2637	$DB_ENV = BDB::db_env_create;	4118	$DB_ENV = BDB::db_env_create;
		4119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4120	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4121	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4122	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4123	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2638		4124
2639	cf::sync_job {	4125	cf::sync_job {
2640	eval {	4126	eval {
2641	BDB::db_env_open	4127	BDB::db_env_open
2642	$DB_ENV,	4128	$DB_ENV,
2643	$BDB_ENV_DIR,	4129	$BDBDIR,
2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4130	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4131	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	4132	0666;
2647		4133
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4134	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649
2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651	$DB_ENV->set_lk_detect;
2652	};	4135	};
2653		4136
2654	cf::cleanup "db_env_open(db): $@" if $@;	4137	cf::cleanup "db_env_open(db): $@" if $@;
2655	};	4138	};
2656	}	4139	}
		4140
		4141	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4142	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4143	};
		4144	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4145	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4146	};
		4147	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4148	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4149	};
2657	}	4150	}
2658		4151
2659	{	4152	{
		4153	# configure IO::AIO
		4154
2660	IO::AIO::min_parallel 8;	4155	IO::AIO::min_parallel 8;
2661
2662	undef $Coro::AIO::WATCHER;
2663	IO::AIO::max_poll_time $TICK * 0.1;	4156	IO::AIO::max_poll_time $TICK * 0.1;
2664	$AIO_POLL_WATCHER = Event->io (	4157	undef $AnyEvent::AIO::WATCHER;
2665	reentrant => 0,
2666	data => WF_AUTOCANCEL,
2667	fd => IO::AIO::poll_fileno,
2668	poll => 'r',
2669	prio => 6,
2670	cb => \&IO::AIO::poll_cb,
2671	);
2672	}	4158	}
		4159
		4160	my $_log_backtrace;
		4161
		4162	sub _log_backtrace {
		4163	my ($msg, @addr) = @_;
		4164
		4165	$msg =~ s/\n//;
		4166
		4167	# limit the # of concurrent backtraces
		4168	if ($_log_backtrace < 2) {
		4169	++$_log_backtrace;
		4170	my $perl_bt = Carp::longmess $msg;
		4171	async {
		4172	$Coro::current->{desc} = "abt $msg";
		4173
		4174	my @bt = fork_call {
		4175	@addr = map { sprintf "%x", $_ } @addr;
		4176	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4177	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4178	or die "addr2line: $!";
		4179
		4180	my @funcs;
		4181	my @res = <$fh>;
		4182	chomp for @res;
		4183	while (@res) {
		4184	my ($func, $line) = splice @res, 0, 2, ();
		4185	push @funcs, "[$func] $line";
		4186	}
		4187
		4188	@funcs
		4189	};
		4190
		4191	LOG llevInfo, "[ABT] $perl_bt\n";
		4192	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4193	LOG llevInfo, "[ABT] $_\n" for @bt;
		4194	--$_log_backtrace;
		4195	};
		4196	} else {
		4197	LOG llevInfo, "[ABT] $msg\n";
		4198	LOG llevInfo, "[ABT] [suppressed]\n";
		4199	}
		4200	}
		4201
		4202	# load additional modules
		4203	require "cf/$_.pm" for @EXTRA_MODULES;
		4204	cf::_connect_to_perl_2;
2673		4205
2674	END { cf::emergency_save }	4206	END { cf::emergency_save }
2675		4207
2676	1	4208	1
2677		4209

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