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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.216 by root, Thu Feb 15 14:30:21 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 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;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		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";
29	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
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98
53	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	123	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
61		132
62	our %CFG;	133	our %CFG;
63		134
64	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
66		138
67	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		142
76	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
79	binmode STDOUT;	156	binmode STDOUT;
80	binmode STDERR;	157	binmode STDERR;
81		158
82	# read virtual server time, if available	159	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
87	}	164	}
88		165
89	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	167
91	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		170
96	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
97		172
98	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		189
100	#############################################################################	190	#############################################################################
101		191
102	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
103		193
…		…
110	=item $cf::RUNTIME	200	=item $cf::RUNTIME
111		201
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	203	every server tick.
114		204
115	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		208
117	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
119		213
120	=item $cf::NOW	214	=item $cf::NOW
121		215
122	The time of the last (current) server tick.	216	The time of the last (current) server tick.
123		217
124	=item $cf::TICK	218	=item $cf::TICK
125		219
126	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
127		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
128	=item %cf::CFG	232	=item %cf::CFG
129		233
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	235	from wherever your confdir points to.
132		236
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		238
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
139		259
140	=back	260	=back
141		261
142	=cut	262	=cut
143		263
144	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	271	my $msg = join "", @_;
147	utf8::encode $msg;
148		272
149	$msg .= "\n"	273	$msg .= "\n"
150	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
151		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
152	LOG llevError, $msg;	278	LOG llevWarn, $msg;
153	};	279	};
154	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
155		294
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		302
163	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	304	# within the Safe compartment.
165	for my $pkg (qw(	305	for my $pkg (qw(
166	cf::global cf::attachable	306	cf::global cf::attachable
167	cf::object cf::object::player	307	cf::object cf::object::player
168	cf::client cf::player	308	cf::client cf::player
169	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
170	cf::map cf::party cf::region	311	cf::party cf::region
171	)) {	312	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	314	}
175		315
176	$Event::DIED = sub {	316	$EV::DIED = sub {
177	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
178	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
179		326
180	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
181		328
182	=over 4	329	=over 4
183		330
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	350	$d
204	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
205	}	352	}
206		353
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
208		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
209	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
210		369
211	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
212		371
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
221		373
222	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
223		375
224	=cut	376	=cut
225		377
226	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
228	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
229	}	443	}
230		444
231	=item cf::lock_wait $string	445	=item cf::lock_wait $string
232		446
233	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
234		448
235	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
236		450
237	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
240	returned.	454	returned.
241		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
242	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
244		461
245	=cut	462	=item $locked = cf::lock_active $string
246		463
247	our %LOCK;	464	Return true if the lock is currently active, i.e. somebody has locked it.
		465
		466	=cut
		467
		468	our $LOCKS = new Coro::SemaphoreSet;
248		469
249	sub lock_wait($) {	470	sub lock_wait($) {
250	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	472	}
258		473
259	sub lock_acquire($) {	474	sub lock_acquire($) {
260	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
261		477
262	# wait, to be sure we are not locked	478	sub lock_active($) {
263	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	480	}
272		481
273	sub freeze_mainloop {	482	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
275		484
276	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
278	};	556	}
279	$TICK_WATCHER->stop;	557	};
280	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
281	}	572	}
282		573
283	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
284		575
285	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		581
291	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
292		583
293	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
294		585
295	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
298		590
299	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
302	fast or be very important.	594	fast or be very important.
…		…
304	=cut	596	=cut
305		597
306	sub sync_job(&) {	598	sub sync_job(&) {
307	my ($job) = @_;	599	my ($job) = @_;
308		600
309	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
310	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
312		606
313	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	608
315	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
316		610
317	my $busy = 1;	611	my $busy = 1;
318	my @res;	612	my @res;
319		613
320	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	616	@res = eval { $job->() };
322	warn $@ if $@;	617	error $@ if $@;
323	undef $busy;	618	undef $busy;
324	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
325		620
326	while ($busy) {	621	while ($busy) {
327	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
328	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
329		632
330	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
331	} else {	634	} else {
332	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
333		636
…		…
353	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
354		657
355	$coro	658	$coro
356	}	659	}
357		660
358	sub write_runtime {	661	=item fork_call { }, @args
359	my $runtime = cf::localdir . "/runtime";
360		662
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
362	or return;	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
363		667
364	my $value = $cf::RUNTIME + 90 + 10;	668	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		669
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	670	sub post_fork {
369	and return;	671	reset_signals;
		672	}
370		673
371	# always fsync - this file is important	674	sub fork_call(&@) {
372	aio_fsync $fh	675	my ($cb, @args) = @_;
373	and return;
374		676
375	close $fh	677	# we seemingly have to make a local copy of the whole thing,
376	or return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
377		680
378	aio_rename "$runtime~", $runtime	681	my @res = Coro::Util::fork_eval {
379	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
380		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
381	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	864	}
383		865
384	=back	866	=back
385		867
386	=cut	868	=cut
387		869
388	#############################################################################	870	#############################################################################
389		871
390	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
391		873
392	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
395		877
396	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	880	Deliantra).
399		881
400	=over 4	882	=over 4
401		883
402	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
403		885
…		…
447	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
448		930
449	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
451		933
452	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
454		936
455	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
456		938
457	=over 4	939	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
567		1049
568	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		1054
573	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
575		1057
576	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
581		1063
582	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		1066
585	} elsif (ref $type) {	1067	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
587		1069
588	} else {	1070	} else {
589	shift @arg;	1071	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
591	}	1073	}
592	}	1074	}
593	}	1075	}
594		1076
595	sub _object_attach {	1077	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
606	}	1088	}
607		1089
608	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
609	} else {	1091	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1093	}
612		1094
613	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
614	}	1096	}
615		1097
…		…
617	if (ref $_[0]) {	1099	if (ref $_[0]) {
618	_object_attach @_;	1100	_object_attach @_;
619	} else {	1101	} else {
620	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
621	}	1103	}
		1104	_recalc_want;
622	};	1105	};
623		1106
624	# all those should be optimised	1107	# all those should be optimised
625	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1113	reattach ($obj);
631	} else {	1114	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
633	}	1116	}
		1117	_recalc_want;
634	};	1118	};
635		1119
636	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
638		1122
…		…
653	";	1137	";
654	die if $@;	1138	die if $@;
655	}	1139	}
656		1140
657	our $override;	1141	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1143
660	sub override {	1144	sub override {
661	$override = 1;	1145	$override = 1;
662	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
663	}	1147	}
664		1148
665	sub do_invoke {	1149	sub do_invoke {
666	my $event = shift;	1150	my $event = shift;
667	my $callbacks = shift;	1151	my $callbacks = shift;
668		1152
669	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
670		1154
671	local $override;	1155	local $override;
672		1156
673	for (@$callbacks) {	1157	for (@$callbacks) {
674	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
675		1159
676	if ($@) {	1160	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1162	override;
680	}	1163	}
681		1164
682	return 1 if $override;	1165	return 1 if $override;
683	}	1166	}
684		1167
685	0	1168	0
686	}	1169	}
687		1170
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1172
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1174
692	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
693		1176
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1180
698	=back	1181	=back
699		1182
700	=cut	1183	=cut
701		1184
702	#############################################################################	1185	#############################################################################
703	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
704		1229
705	sub reattach {	1230	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1232	my ($obj) = @_;
708		1233
		1234	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1236
711	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
712		1238
713	@$registry = ();	1239	@$registry = ();
714		1240
…		…
719	for (@$attach) {	1245	for (@$attach) {
720	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
722	}	1248	}
723	} else {	1249	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1251	}
726	}	1252	}
727	}	1253	}
728		1254
729	cf::attachable->attach (	1255	cf::attachable->attach (
730	prio => -1000000,	1256	prio => -1000000,
731	on_instantiate => sub {	1257	on_instantiate => sub {
732	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
733		1259
734	$data = from_json $data;	1260	$data = decode_json $data;
735		1261
736	for (@$data) {	1262	for (@$data) {
737	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
738		1264
739	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1281	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
757		1283
758	sync_job {	1284	sync_job {
759	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
762		1290
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	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;
		1296	aio_fsync $fh;
		1297	}
767	close $fh;	1298	aio_close $fh;
768		1299
769	if (@$objs) {	1300	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	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;
		1307	aio_fsync $fh;
		1308	}
775	close $fh;	1309	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
777	}	1311	}
778	} else {	1312	} else {
779	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
780	}	1314	}
781		1315
782	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1320	} else {
784	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
785	}	1322	}
786	} else {	1323	} else {
787	aio_unlink $filename;	1324	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
789	}	1326	}
790	}	1327	};
791	}	1328	}
792		1329
793	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
795		1332
…		…
807	or return;	1344	or return;
808		1345
809	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
811	or return;	1348	or return;
		1349
812	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
813	}	1352	}
814		1353
		1354	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
817	return ($data, $av);	1359	($data, $av)
818	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
819		1367
820	#############################################################################	1368	#############################################################################
821	# command handling &c	1369	# command handling &c
822		1370
823	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1385	}
838		1386
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1388
841	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
842		1394
843	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
844	called.	1396	called.
845		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
846	=cut	1409	=cut
847		1410
848	sub register_extcmd {	1411	sub register_extcmd {
849	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
850		1413
851	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
852	}	1415	}
853		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
854	cf::player->attach (	1425	cf::player->attach (
855	on_command => sub {	1426	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
857		1428
858	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
859	or return;	1430	or return;
860		1431
…		…
865	cf::override;	1436	cf::override;
866	},	1437	},
867	on_extcmd => sub {	1438	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
869		1440
870	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1442
872	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
878	} else {	1458	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1460	}
881		1461
882	cf::override;	1462	cf::override;
883	},	1463	},
884	);	1464	);
885		1465
		1466	# "readahead" all extensions
886	sub load_extension {	1467	sub cache_extensions {
887	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
888		1469
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1473	}
914	die $@;
915	}	1474	};
916		1475
917	push @EXTS, $pkg;	1476	$grp
918	}	1477	}
919		1478
920	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
921	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1486	next unless -r $path;
923	eval {	1487
924	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
925	1	1551	}
926	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560	}
		1561	}
927	}	1562	};
928	}	1563	}
929		1564
930	#############################################################################	1565	#############################################################################
931		1566
		1567	=back
		1568
932	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
933		1570
934	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
935		1572
936	=cut	1573	=cut
937		1574
938	package cf::player;	1575	package cf::player;
939		1576
…		…
941		1578
942	=head3 cf::player	1579	=head3 cf::player
943		1580
944	=over 4	1581	=over 4
945		1582
		1583	=item cf::player::num_playing
		1584
		1585	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1586
		1587	=cut
		1588
		1589	sub num_playing {
		1590	scalar grep
		1591	$_->ob->map
		1592	&& !$_->hidden
		1593	&& !$_->ob->flag (cf::FLAG_WIZ),
		1594	cf::player::list
		1595	}
		1596
946	=item cf::player::find $login	1597	=item cf::player::find $login
947		1598
948	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
949		1600
950	=cut	1601	=cut
951		1602
952	sub playerdir($) {	1603	sub playerdir($) {
953	cf::localdir	1604	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1605	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1606	}
959		1607
960	sub path($) {	1608	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1609	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1610
963	(playerdir $login) . "/$login.pl"	1611	(playerdir $login) . "/playerdata"
964	}	1612	}
965		1613
966	sub find_active($) {	1614	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1615	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1616	and $cf::PLAYER{$_[0]}->active
…		…
971		1619
972	sub exists($) {	1620	sub exists($) {
973	my ($login) = @_;	1621	my ($login) = @_;
974		1622
975	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
977	}	1625	}
978		1626
979	sub find($) {	1627	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1629	my $login = $_[0];
982		1630
983	my $guard = cf::lock_acquire "user_find:$login";	1631	my $guard = cf::lock_acquire "user_find:$login";
984		1632
985	$cf::PLAYER{$_[0]} || do {	1633	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1634	# rename old playerfiles to new ones
		1635	#TODO: remove when no longer required
		1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1639	aio_unlink +(playerdir $login) . "/$login.pl";
		1640
		1641	my $f = new_from_file cf::object::thawer path $login
987	or return;	1642	or return;
		1643
		1644	my $pl = cf::player::load_pl $f
		1645	or return;
		1646
		1647	local $cf::PLAYER_LOADING{$login} = $pl;
		1648	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
989	}	1650	}
990	}	1651	}
991	}	1652	}
		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
992		1666
993	sub save($) {	1667	sub save($) {
994	my ($pl) = @_;	1668	my ($pl) = @_;
995		1669
996	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1002		1676
1003	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1005		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1684
1006	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1007	Coro::cede;	1686	cf::cede_to_tick;
1008	}	1687	}
1009		1688
1010	sub new($) {	1689	sub new($) {
1011	my ($login) = @_;	1690	my ($login) = @_;
1012		1691
…		…
1018	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1019		1698
1020	$self	1699	$self
1021	}	1700	}
1022		1701
		1702	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1703
		1704	=cut
		1705
		1706	sub send_msg {
		1707	my $ns = shift->ns
		1708	or return;
		1709	$ns->send_msg (@_);
		1710	}
		1711
1023	=item $pl->quit_character	1712	=item $pl->quit_character
1024		1713
1025	Nukes the player without looking back. If logged in, the connection will	1714	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1027		1716
1028	=cut	1717	=cut
1029		1718
1030	sub quit_character {	1719	sub quit_character {
1031	my ($pl) = @_;	1720	my ($pl) = @_;
1032		1721
		1722	my $name = $pl->ob->name;
		1723
1033	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1726
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1039	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1040		1735
1041	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1739	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1740	$pl->destroy;
		1741
		1742	my $prefix = qr<^~\Q$name\E/>;
		1743
		1744	# nuke player maps
		1745	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1746
1046	IO::AIO::aio_rmtree $temp;	1747	IO::AIO::aio_rmtree $temp;
		1748	}
		1749
		1750	=item $pl->kick
		1751
		1752	Kicks a player out of the game. This destroys the connection.
		1753
		1754	=cut
		1755
		1756	sub kick {
		1757	my ($pl, $kicker) = @_;
		1758
		1759	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1760	$pl->killer ("kicked");
		1761	$pl->ns->destroy;
1047	}	1762	}
1048		1763
1049	=item cf::player::list_logins	1764	=item cf::player::list_logins
1050		1765
1051	Returns am arrayref of all valid playernames in the system, can take a	1766	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1767	while and may block, so not sync_job-capable, ever.
1053		1768
1054	=cut	1769	=cut
1055		1770
1056	sub list_logins {	1771	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1772	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1773	or return [];
1059		1774
1060	my @logins;	1775	my @logins;
1061		1776
1062	for my $login (@$dirs) {	1777	for my $login (@$dirs) {
		1778	my $path = path $login;
		1779
		1780	# a .pst is a dead give-away for a valid player
		1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1066		1787
1067	utf8::decode $login;	1788	utf8::decode $login;
1068	push @logins, $login;	1789	push @logins, $login;
1069	}	1790	}
1070		1791
1071	\@logins	1792	\@logins
1072	}	1793	}
1073		1794
1074	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1075		1798
1076	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1077	player. May block.	1800	player. May block.
1078		1801
1079	=cut	1802	=cut
…		…
1097	}	1820	}
1098		1821
1099	\@paths	1822	\@paths
1100	}	1823	}
1101		1824
		1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1826
		1827	Expand deliantra pod fragments into protocol xml.
		1828
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1829	=item $player->ext_reply ($msgid, @msg)
1103		1830
1104	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1105		1832
1106	=cut	1833	=cut
1107		1834
1108	sub ext_reply($$$%) {	1835	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1110		1837
1111	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1839	}
1115		1840
1116	package cf;	1841	=item $player->ext_msg ($type, @msg)
		1842
		1843	Sends an ext event to the client.
		1844
		1845	=cut
		1846
		1847	sub ext_msg($$@) {
		1848	my ($self, $type, @msg) = @_;
		1849
		1850	$self->ns->ext_msg ($type, @msg);
		1851	}
		1852
		1853	=head3 cf::region
		1854
		1855	=over 4
		1856
		1857	=cut
		1858
		1859	package cf::region;
		1860
		1861	=item cf::region::find_by_path $path
		1862
		1863	Tries to decuce the likely region for a map knowing only its path.
		1864
		1865	=cut
		1866
		1867	sub find_by_path($) {
		1868	my ($path) = @_;
		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
		1871
		1872	my ($match, $specificity);
		1873
		1874	for my $region (list) {
		1875	if ($region->{match} && $path =~ $region->{match}) {
		1876	($match, $specificity) = ($region, $region->specificity)
		1877	if $region->specificity > $specificity;
		1878	}
		1879	}
		1880
		1881	$match
		1882	}
1117		1883
1118	=back	1884	=back
1119
1120		1885
1121	=head3 cf::map	1886	=head3 cf::map
1122		1887
1123	=over 4	1888	=over 4
1124		1889
…		…
1136	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1138		1903
1139	sub generate_random_map {	1904	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1141	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1142	$self->_create_random_map (	1909	$self->_create_random_map ($rmp);
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1153	(cf::region::find $rmp->{region}), $rmp->{custom}
1154	)
1155	}	1910	}
1156		1911
1157	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1158		1913
1159	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1164		1919
1165	sub register {	1920	sub register {
1166	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	1922	my $pkg = caller;
1168		1923
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		1925
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1927	}
1174		1928
1175	# also paths starting with '/'	1929	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1931
1178	sub thawer_merge {	1932	sub thawer_merge {
1179	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1180		1934
1181	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
1182	local $self->{path};	1936	local $self->{path};
1183	local $self->{load_path};	1937	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1938
1187	$self->SUPER::thawer_merge ($merge);	1939	$self->SUPER::thawer_merge ($merge);
1188	}	1940	}
1189		1941
1190	sub normalise {	1942	sub normalise {
1191	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1192		1944
1193	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1194		1946
1195	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1196		1948
1197	# map plan:	1949	# map plan:
1198	#	1950	#
…		…
1213	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1214	$path = "$base/$path";	1966	$path = "$base/$path";
1215	}	1967	}
1216		1968
1217	for ($path) {	1969	for ($path) {
1218	redo if s{//}{/};
1219	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1220	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1221	}	1972	}
1222		1973
1223	$path	1974	$path
…		…
1237	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1238	return $self;	1989	return $self;
1239	}	1990	}
1240	}	1991	}
1241		1992
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	1994	()
1244	}	1995	}
1245		1996
1246	sub init {	1997	sub init {
1247	my ($self) = @_;	1998	my ($self) = @_;
…		…
1262		2013
1263	# the original (read-only) location	2014	# the original (read-only) location
1264	sub load_path {	2015	sub load_path {
1265	my ($self) = @_;	2016	my ($self) = @_;
1266		2017
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2018	"$MAPDIR/$self->{path}.map"
1268	}	2019	}
1269		2020
1270	# the temporary/swap location	2021	# the temporary/swap location
1271	sub save_path {	2022	sub save_path {
1272	my ($self) = @_;	2023	my ($self) = @_;
1273		2024
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2026	"$TMPDIR/$path.map"
1276	}	2027	}
1277		2028
1278	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1279	sub uniq_path {	2030	sub uniq_path {
1280	my ($self) = @_;	2031	my ($self) = @_;
1281		2032
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2034	"$UNIQUEDIR/$path"
1284	}	2035	}
1285		2036
1286	# and all this just because we cannot iterate over	2037	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	2038	my ($self) = @_;
1290		2039
1291	$_->change_map_light ($change)	2040	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	2041
		2042	$self->do_decay_objects;
1293	}	2043	}
1294		2044
1295	sub unlink_save {	2045	sub unlink_save {
1296	my ($self) = @_;	2046	my ($self) = @_;
1297		2047
…		…
1302		2052
1303	sub load_header_from($) {	2053	sub load_header_from($) {
1304	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1305		2055
1306	utf8::encode $path;	2056	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	2058	or return;
		2059
		2060	$self->_load_header ($f)
		2061	or return;
		2062
		2063	local $MAP_LOADING{$self->{path}} = $self;
		2064	$f->resolve_delayed_derefs;
1312		2065
1313	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1314		2067
1315	1	2068	1
1316	}	2069	}
…		…
1355	$self->load_header_orig	2108	$self->load_header_orig
1356	or return;	2109	or return;
1357	$self->prepare_orig;	2110	$self->prepare_orig;
1358	}	2111	}
1359		2112
		2113	$self->{deny_reset} = 1
		2114	if $self->no_reset;
		2115
		2116	$self->default_region (cf::region::find_by_path $self->{path})
		2117	unless $self->default_region;
		2118
1360	1	2119	1
1361	}	2120	}
1362		2121
1363	sub find;	2122	sub find;
1364	sub find {	2123	sub find {
1365	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1366		2125
		2126	cf::cede_to_tick;
		2127
1367	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1368		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1370		2132
1371	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";
1373	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1374	or return;	2135	or return;
1375		2136
1376	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1377		2138
1378	$map->load_header	2139	$map->load_header
1379	or return;	2140	or return;
1380		2141
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1384	$map->reset;	2147	$map->reset;
1385	undef $guard;
1386	return find $path;	2148	return find $path;
1387	}	2149	}
1388		2150
1389	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1390	}	2152	}
1391	}	2153	}
1392		2154
1393	sub pre_load { }	2155	sub pre_load { }
1394	sub post_load { }	2156	#sub post_load { } # XS
1395		2157
1396	sub load {	2158	sub load {
1397	my ($self) = @_;	2159	my ($self) = @_;
1398		2160
1399	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
1400		2162
1401	my $path = $self->{path};	2163	my $path = $self->{path};
		2164
		2165	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1403		2167
		2168	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		2170
1406	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1407		2172
1408	$self->alloc;	2173	$self->alloc;
1409		2174
1410	$self->pre_load;	2175	$self->pre_load;
		2176	cf::cede_to_tick;
1411		2177
1412	$self->_load_objects ($self->{load_path}, 1)	2178	my $f = new_from_file cf::object::thawer $self->{load_path};
		2179	$f->skip_block;
		2180	$self->_load_objects ($f)
1413	or return;	2181	or return;
1414		2182
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1416	if delete $self->{load_original};	2184	if delete $self->{load_original};
1417		2185
1418	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2187	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2190	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1423	}	2194	}
1424	}	2195	}
1425		2196
1426	Coro::cede;	2197	$f->resolve_delayed_derefs;
1427		2198
		2199	cf::cede_to_tick;
1428	# now do the right thing for maps	2200	# now do the right thing for maps
1429	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2202	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2203	unless $self->difficulty;
1439	Coro::cede;	2204	cf::cede_to_tick;
		2205
		2206	unless ($self->{deny_activate}) {
		2207	$self->decay_objects;
		2208	$self->fix_auto_apply;
		2209	$self->update_buttons;
		2210	cf::cede_to_tick;
1440	$self->activate;	2211	$self->activate;
		2212	}
		2213
		2214	$self->{last_save} = $cf::RUNTIME;
		2215	$self->last_access ($cf::RUNTIME);
		2216
		2217	$self->in_memory (cf::MAP_ACTIVE);
1441	}	2218	}
1442		2219
1443	$self->post_load;	2220	$self->post_load;
1444		2221
1445	$self->in_memory (cf::MAP_IN_MEMORY);	2222	1
1446	}	2223	}
1447		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1448	sub customise_for {	2228	sub customise_for {
1449	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1450		2230
1451	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2232	if $self->per_player;
1453		2233
		2234	# return find "?party/" . $ob->name . "/" . $self->{path}
		2235	# if $self->per_party;
		2236
1454	$self	2237	$self
1455	}	2238	}
1456		2239
1457	# find and load all maps in the 3x3 area around a map	2240	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	2241	sub load_neighbours {
1459	my ($map) = @_;	2242	my ($map) = @_;
1460		2243
1461	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1462		2245
1463	for (0 .. 3) {	2246	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1465	or next;	2248	or next;
1466	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1467	or next;	2250	or next;
1468	$neigh->load;	2251	$neigh->load;
1469		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2257	}
1473		2258
1474	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1476	or next;	2262	or next;
1477	$neigh->load;	2263	$neigh->load;
1478	}	2264	}
1479	}	2265	}
1480		2266
1481	sub find_sync {	2267	sub find_sync {
1482	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1483		2269
1484	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
1485	}	2274	}
1486		2275
1487	sub do_load_sync {	2276	sub do_load_sync {
1488	my ($map) = @_;	2277	my ($map) = @_;
1489		2278
1490	cf::sync_job { $map->load };	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2280	if $Coro::current == $Coro::main;
		2281
		2282	$map->load;
1491	}	2283	}
1492		2284
1493	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1495		2287
1496	sub find_async {	2288	sub find_async {
1497	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1498		2290
1499	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1500		2292
1501	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1503	}	2295	}
1504		2296
1505	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1506	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1507	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2304	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2305	$map->load if $v;
		2306	}
1512		2307
1513	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1514	}	2309	}
1515	}	2310	}
1516	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1517	};	2312	};
1518	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1519		2314
1520	()	2315	()
1521	}	2316	}
1522		2317
		2318	# common code, used by both ->save and ->swapout
1523	sub save {	2319	sub _save {
1524	my ($self) = @_;	2320	my ($self) = @_;
1525
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
1527		2321
1528	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1529		2323
1530	return unless $self->dirty;	2324	return unless $self->dirty;
1531		2325
…		…
1537	return if $self->{deny_save};	2331	return if $self->{deny_save};
1538		2332
1539	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1540		2334
1541	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1543	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1544		2341
1545	if ($uniq) {	2342	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2345	} else {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1550	}	2347	}
1551	}	2348	}
1552		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1553	sub swap_out {	2358	sub swap_out {
1554	my ($self) = @_;	2359	my ($self) = @_;
1555		2360
1556	# save first because save cedes
1557	$self->save;
1558
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1561	return if $self->players;	2365	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};
1564		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
		2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
1565	$self->clear;	2376	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2377	}
1568		2378
1569	sub reset_at {	2379	sub reset_at {
1570	my ($self) = @_;	2380	my ($self) = @_;
1571		2381
1572	# TODO: safety, remove and allow resettable per-player maps	2382	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2383	return 1e99 if $self->{deny_reset};
1575		2384
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2386	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2387
…		…
1589	my ($self) = @_;	2398	my ($self) = @_;
1590		2399
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2401
1593	return if $self->players;	2402	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2403
1596	warn "resetting map ", $self->path;#d#	2404	cf::trace "resetting map ", $self->path, "\n";
1597		2405
1598	$self->in_memory (cf::MAP_SWAPPED);	2406	$self->in_memory (cf::MAP_SWAPPED);
1599		2407
1600	# need to save uniques path	2408	# need to save uniques path
1601	unless ($self->{deny_save}) {	2409	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2413	if $uniq;
1606	}	2414	}
1607		2415
1608	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
1609		2417
		2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2420	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2421
1614	$self->unlink_save;	2422	$self->unlink_save;
1615	$self->destroy;	2423	$self->destroy;
1616	}	2424	}
1617		2425
1618	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
1619		2427
1620	sub nuke {	2428	sub nuke {
1621	my ($self) = @_;	2429	my ($self) = @_;
1622		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
1623	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
1624		2435
1625	$self->unlink_save;	2436	$self->unlink_save;
1626		2437
1627	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
1628	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2443
1633	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
1634		2446
1635	$self->reset; # polite request, might not happen	2447	$self->reset; # polite request, might not happen
		2448	}
		2449
		2450	=item $maps = cf::map::tmp_maps
		2451
		2452	Returns an arrayref with all map paths of currently instantiated and saved
		2453	maps. May block.
		2454
		2455	=cut
		2456
		2457	sub tmp_maps() {
		2458	[
		2459	map {
		2460	utf8::decode $_;
		2461	/\.map$/
		2462	? normalise $_
		2463	: ()
		2464	} @{ aio_readdir $TMPDIR or [] }
		2465	]
		2466	}
		2467
		2468	=item $maps = cf::map::random_maps
		2469
		2470	Returns an arrayref with all map paths of currently instantiated and saved
		2471	random maps. May block.
		2472
		2473	=cut
		2474
		2475	sub random_maps() {
		2476	[
		2477	map {
		2478	utf8::decode $_;
		2479	/\.map$/
		2480	? normalise "?random/$_"
		2481	: ()
		2482	} @{ aio_readdir $RANDOMDIR or [] }
		2483	]
1636	}	2484	}
1637		2485
1638	=item cf::map::unique_maps	2486	=item cf::map::unique_maps
1639		2487
1640	Returns an arrayref of paths of all shared maps that have	2488	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2489	instantiated unique items. May block.
1642		2490
1643	=cut	2491	=cut
1644		2492
1645	sub unique_maps() {	2493	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2494	[
1647	or return;	2495	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2496	utf8::decode $_;
1653	next if /\.pst$/;	2497	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2499	? ()
1656	push @paths, cf::map::normalise $_;	2500	: normalise $_
		2501	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2502	]
1658
1659	\@paths
1660	}	2503	}
1661		2504
1662	package cf;	2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
1663		2536
1664	=back	2537	=back
1665		2538
1666	=head3 cf::object	2539	=head3 cf::object
1667		2540
…		…
1671		2544
1672	=over 4	2545	=over 4
1673		2546
1674	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
1675		2548
1676	Returns the inventory of the object _and_ their inventories, recursively.	2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
1677		2551
1678	=cut	2552	=cut
1679		2553
1680	sub inv_recursive_;	2554	sub inv_recursive_;
1681	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
1684		2558
1685	sub inv_recursive {	2559	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
1687	}	2561	}
1688		2562
		2563	=item $ref = $ob->ref
		2564
		2565	Creates and returns a persistent reference to an object that can be stored as a string.
		2566
		2567	=item $ob = cf::object::deref ($refstring)
		2568
		2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2570	even if the object actually exists. May block.
		2571
		2572	=cut
		2573
		2574	sub deref {
		2575	my ($ref) = @_;
		2576
		2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2578	my ($uuid, $name) = ($1, $2);
		2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2580	or return;
		2581	$pl->ob->uuid eq $uuid
		2582	or return;
		2583
		2584	$pl->ob
		2585	} else {
		2586	warn "$ref: cannot resolve object reference\n";
		2587	undef
		2588	}
		2589	}
		2590
1689	package cf;	2591	package cf;
1690		2592
1691	=back	2593	=back
1692		2594
1693	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
1699	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2601	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1700	can be C<undef>. Does the right thing when the player is currently in a	2602	can be C<undef>. Does the right thing when the player is currently in a
1701	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
1702		2604
1703	=cut	2605	=cut
		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
1704		2620
1705	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
1706	# with dialog boxes.	2622	# with dialog boxes.
1707	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
1708	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
1710		2626
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2627	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2628
1713	if ($self->{record_replies}) {	2629	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2630	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2631
1715	} else {	2632	} else {
		2633	my $pl = $self->contr;
		2634
		2635	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2636	my $dialog = $pl->{npc_dialog};
		2637	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2638
		2639	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2642	}
1718	}	2643	}
		2644	}
		2645
		2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2647
		2648	=cut
		2649
		2650	sub cf::object::send_msg {
		2651	my $pl = shift->contr
		2652	or return;
		2653	$pl->send_msg (@_);
1719	}	2654	}
1720		2655
1721	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
1722		2657
1723	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
1736		2671
1737	=item $player_object->enter_link	2672	=item $player_object->enter_link
1738		2673
1739	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
1740		2675
1741	The player should be reasonably safe there for short amounts of time. You	2676	The player should be reasonably safe there for short amounts of time (e.g.
1742	I<MUST> call C<leave_link> as soon as possible, though.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
1743		2680
1744	Will never block.	2681	Will never block.
1745		2682
1746	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
1747		2684
…		…
1767	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
1768	my ($self) = @_;	2705	my ($self) = @_;
1769		2706
1770	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
1771		2708
		2709	++$self->{_link_recursion};
		2710
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2712
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2714	if $self->map && $self->map->{path} ne "{link}";
1776		2715
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1778	}	2717	}
1779		2718
1780	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
		2721
		2722	return unless $self->contr->active;
1782		2723
1783	my $link_pos = delete $self->{_link_pos};	2724	my $link_pos = delete $self->{_link_pos};
1784		2725
1785	unless ($map) {	2726	unless ($map) {
1786	# restore original map position	2727	# restore original map position
…		…
1797	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
1798	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
1799		2740
1800	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
1803		2744
1804	$map->load;	2745	$map->load;
1805	$map->load_diag;	2746	$map->load_neighbours;
1806		2747
1807	return unless $self->contr->active;	2748	return unless $self->contr->active;
1808	$self->activate_recursive;
1809		2749
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2751	if ($self->enter_map ($map, $x, $y)) {
1812	}	2752	# entering was successful
1813		2753	delete $self->{_link_recursion};
1814	cf::player->attach (	2754	# only activate afterwards, to support waiting in hooks
1815	on_logout => sub {	2755	$self->activate_recursive;
1816	my ($pl) = @_;
1817
1818	# abort map switching before logout
1819	if ($pl->ob->{_link_pos}) {
1820	cf::sync_job {
1821	$pl->ob->leave_link
1822	};
1823	}
1824	},	2756	}
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2757
1828	# try to abort aborted map switching on player login :)	2758	}
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845		2759
1846	=item $player_object->goto ($path, $x, $y)	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1847		2761
		2762	Moves the player to the given map-path and coordinates by first freezing
		2763	her, loading and preparing them map, calling the provided $check callback
		2764	that has to return the map if sucecssful, and then unfreezes the player on
		2765	the new (success) or old (failed) map position. In either case, $done will
		2766	be called at the end of this process.
		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
		2770
1848	=cut	2771	=cut
		2772
		2773	our $GOTOGEN;
1849		2774
1850	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
		2783
		2784	# do generation counting so two concurrent goto's will be executed in-order
		2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2786
1853	$self->enter_link;	2787	$self->enter_link;
1854		2788
1855	(async {	2789	(async {
		2790	$Coro::current->{desc} = "player::goto $path $x $y";
		2791
		2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
1856	my $map = eval {	2811	my $map = eval {
1857	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
		2813
		2814	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2815	$map = $map->customise_for ($self);
		2816	$map = $check->($map, $x, $y, $self) if $check && $map;
		2817	} else {
		2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2819	}
		2820
1859	$map	2821	$map
		2822	};
		2823
		2824	if ($@) {
		2825	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2826	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2827	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2828
		2829	if ($gen == $self->{_goto_generation}) {
		2830	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
		2832	}
		2833
		2834	$done->($self) if $done;
1864	})->prio (1);	2835	})->prio (1);
1865	}	2836	}
1866		2837
1867	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
1868		2839
…		…
1888	}	2859	}
1889		2860
1890	sub prepare_random_map {	2861	sub prepare_random_map {
1891	my ($exit) = @_;	2862	my ($exit) = @_;
1892		2863
1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1894
1895	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
1896	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
1897	# that depends on the exit object	2866	# that depends on the exit object
1898		2867
1899	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
1901	if ($exit->map) {	2870	if ($exit->map) {
1902	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
1903	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
1904	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
1905	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
1906	}	2877	}
1907		2878
1908	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
1909		2880
1910	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
1913		2884
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2887	undef $fh;
1917	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
1918		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
1919	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
1920	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
1921	}	2896	}
1922	}	2897	}
1923		2898
1924	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
1925	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
1926		2901
1927	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
1928		2903
1929	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
1931	cf::sync_job { prepare_random_map $exit };
1932	}
1933
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;
1937
1938	$self->enter_link;	2904	$self->enter_link;
1939		2905
1940	(async {	2906	(async {
1941	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
1942	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
		2916	prepare_random_map $exit
		2917	if $exit->slaying eq "/!";
		2918	}
		2919
		2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
		2923
1943	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
1944		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
1945	1;	2930	1
1946	}) {	2931	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
1948	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2936
1952	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
1953	$self->leave_link;	2938	$self->leave_link;
1954	}	2939	}
1955	})->prio (1);	2940	})->prio (1);
1956	}	2941	}
1957		2942
…		…
1968		2953
1969	sub cf::client::send_drawinfo {	2954	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2955	my ($self, $text, $flags) = @_;
1971		2956
1972	utf8::encode $text;	2957	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2959	}
1975		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
		2984	}
		2985
		2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2987
		2988	Send a drawinfo or msg packet to the client, formatting the msg for the
		2989	client if neccessary. C<$type> should be a string identifying the type of
		2990	the message, with C<log> being the default. If C<$color> is negative, suppress
		2991	the message unless the client supports the msg packet.
		2992
		2993	=cut
		2994
		2995	# non-persistent channels (usually the info channel)
		2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
		3003	"c/identify" => {
		3004	id => "infobox",
		3005	title => "Identify",
		3006	reply => undef,
		3007	tooltip => "Items recently identified",
		3008	},
		3009	"c/examine" => {
		3010	id => "infobox",
		3011	title => "Examine",
		3012	reply => undef,
		3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
		3107	);
		3108
		3109	sub cf::client::send_msg {
		3110	my ($self, $channel, $msg, $color, @extra) = @_;
		3111
		3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
		3114
		3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3116
		3117	# check predefined channels, for the benefit of C
		3118	if ($CHANNEL{$channel}) {
		3119	$channel = $CHANNEL{$channel};
		3120
		3121	$self->ext_msg (channel_info => $channel);
		3122	$channel = $channel->{id};
		3123
		3124	} elsif (ref $channel) {
		3125	# send meta info to client, if not yet sent
		3126	unless (exists $self->{channel}{$channel->{id}}) {
		3127	$self->{channel}{$channel->{id}} = $channel;
		3128	$self->ext_msg (channel_info => $channel);
		3129	}
		3130
		3131	$channel = $channel->{id};
		3132	}
		3133
		3134	return unless @extra || length $msg;
		3135
		3136	# default colour, mask it out
		3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3138	if $color & cf::NDI_DEF;
		3139
		3140	my $pkt = "msg "
		3141	. $self->{json_coder}->encode (
		3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3143	);
		3144
		3145	$self->send_big_packet ($pkt);
		3146	}
		3147
		3148	=item $client->ext_msg ($type, @msg)
		3149
		3150	Sends an ext event to the client.
		3151
		3152	=cut
		3153
		3154	sub cf::client::ext_msg($$@) {
		3155	my ($self, $type, @msg) = @_;
		3156
		3157	if ($self->extcmd == 2) {
		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
		3160	push @msg, msgtype => "event_$type";
		3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		3172	my ($self, $id, @msg) = @_;
		3173
		3174	if ($self->extcmd == 2) {
		3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3176	} elsif ($self->extcmd == 1) {
		3177	#TODO: version 1, remove
		3178	unshift @msg, msgtype => "reply", msgid => $id;
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
1976		3182
1977	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
1978		3184
1979	Queues a query to the client, calling the given callback with	3185	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3186	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3187	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		3188
1983	Queries can fail, so check the return code. Or don't, as queries will become	3189	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	3190	become reliable at some point in the future.
1985		3191
1986	=cut	3192	=cut
1987		3193
1988	sub cf::client::query {	3194	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	3195	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	3203	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3204	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		3205
2000	$self->send_packet ($self->{query_queue}[0][0])	3206	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	3207	if @{ $self->{query_queue} } == 1;
		3208
		3209	1
2002	}	3210	}
2003		3211
2004	cf::client->attach (	3212	cf::client->attach (
		3213	on_connect => sub {
		3214	my ($ns) = @_;
		3215
		3216	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3217	},
2005	on_reply => sub {	3218	on_reply => sub {
2006	my ($ns, $msg) = @_;	3219	my ($ns, $msg) = @_;
2007		3220
2008	# this weird shuffling is so that direct followup queries	3221	# this weird shuffling is so that direct followup queries
2009	# get handled first	3222	# get handled first
…		…
2021	} else {	3234	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3235	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	3236	}
2024	}	3237	}
2025	},	3238	},
		3239	on_exticmd => sub {
		3240	my ($ns, $buf) = @_;
		3241
		3242	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3243
		3244	if (ref $msg) {
		3245	my ($type, $reply, @payload) =
		3246	"ARRAY" eq ref $msg
		3247	? @$msg
		3248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3249
		3250	my @reply;
		3251
		3252	if (my $cb = $EXTICMD{$type}) {
		3253	@reply = $cb->($ns, @payload);
		3254	}
		3255
		3256	$ns->ext_reply ($reply, @reply)
		3257	if $reply;
		3258
		3259	} else {
		3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3261	}
		3262
		3263	cf::override;
		3264	},
2026	);	3265	);
2027		3266
2028	=item $client->async (\&cb)	3267	=item $client->async (\&cb)
2029		3268
2030	Create a new coroutine, running the specified callback. The coroutine will	3269	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046		3285
2047	$coro	3286	$coro
2048	}	3287	}
2049		3288
2050	cf::client->attach (	3289	cf::client->attach (
2051	on_destroy => sub {	3290	on_client_destroy => sub {
2052	my ($ns) = @_;	3291	my ($ns) = @_;
2053		3292
2054	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2055	},	3294	},
2056	);	3295	);
…		…
2071	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2073		3312
2074	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2075		3314
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2077		3320
2078	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2079		3322
2080	=pod	3323	=pod
2081		3324
2082	The following fucntions and emthods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2083		3326
2084	cf::object contr pay_amount pay_player map	3327	cf::object
		3328	contr pay_amount pay_player map x y force_find force_add destroy
		3329	insert remove name archname title slaying race decrease split
		3330	value
		3331
2085	cf::object::player player	3332	cf::object::player
2086	cf::player peaceful	3333	player
2087	cf::map trigger	3334
		3335	cf::player
		3336	peaceful
		3337
		3338	cf::map
		3339	trigger
2088		3340
2089	=cut	3341	=cut
2090		3342
2091	for (	3343	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2093	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2095	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2096	) {	3350	) {
2097	no strict 'refs';
2098	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2099	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2100	for @funs;	3353	for @funs;
2101	}	3354	}
2102		3355
…		…
2117		3370
2118	my $qcode = $code;	3371	my $qcode = $code;
2119	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2120	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2121		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2122	local $_;	3378	local $_;
2123	local @safe::cf::_safe_eval_args = values %vars;
2124		3379
2125	my $eval =	3380	my $eval =
2126	"do {\n"	3381	"do {\n"
2127	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2128	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2129	. $code	3384	. $code
2130	. "\n}"	3385	. "\n}"
2131	;	3386	;
2132		3387
		3388	if ($CFG{safe_eval}) {
2133	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2134	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2135	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2136		3397
2137	if ($@) {	3398	if ($@) {
2138	warn "$@";	3399	warn "$@",
2139	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2140	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2141	}	3402	}
2142		3403
2143	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2144	}	3405	}
2145		3406
…		…
2159	=cut	3420	=cut
2160		3421
2161	sub register_script_function {	3422	sub register_script_function {
2162	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2163		3424
2164	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2165	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2166	}	3427	}
2167		3428
2168	=back	3429	=back
2169		3430
2170	=cut	3431	=cut
2171
2172	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243		3432
2244	#############################################################################	3433	#############################################################################
2245	# the server's init and main functions	3434	# the server's init and main functions
2246		3435
		3436	sub load_facedata($) {
		3437	my ($path) = @_;
		3438
		3439	# HACK to clear player env face cache, we need some signal framework
		3440	# for this (global event?)
		3441	%ext::player_env::MUSIC_FACE_CACHE = ();
		3442
		3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3444
		3445	trace "loading facedata from $path\n";
		3446
		3447	my $facedata = decode_storable load_file $path;
		3448
		3449	$facedata->{version} == 2
		3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3451
		3452	# patch in the exptable
		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3454	$facedata->{resource}{"res/exp_table"} = {
		3455	type => FT_RSRC,
		3456	data => $exp_table,
		3457	hash => (Digest::MD5::md5 $exp_table),
		3458	};
		3459	cf::cede_to_tick;
		3460
		3461	{
		3462	my $faces = $facedata->{faceinfo};
		3463
		3464	while (my ($face, $info) = each %$faces) {
		3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3466
		3467	cf::face::set_visibility $idx, $info->{visibility};
		3468	cf::face::set_magicmap $idx, $info->{magicmap};
		3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3472
		3473	cf::cede_to_tick;
		3474	}
		3475
		3476	while (my ($face, $info) = each %$faces) {
		3477	next unless $info->{smooth};
		3478
		3479	my $idx = cf::face::find $face
		3480	or next;
		3481
		3482	if (my $smooth = cf::face::find $info->{smooth}) {
		3483	cf::face::set_smooth $idx, $smooth;
		3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3485	} else {
		3486	error "smooth face '$info->{smooth}' not found for face '$face'";
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	{
		3494	my $anims = $facedata->{animinfo};
		3495
		3496	while (my ($anim, $info) = each %$anims) {
		3497	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3498	cf::cede_to_tick;
		3499	}
		3500
		3501	cf::anim::invalidate_all; # d'oh
		3502	}
		3503
		3504	{
		3505	my $res = $facedata->{resource};
		3506
		3507	while (my ($name, $info) = each %$res) {
		3508	if (defined $info->{type}) {
		3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3510
		3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3512	cf::face::set_type $idx, $info->{type};
		3513	} else {
		3514	$RESOURCE{$name} = $info; # unused
		3515	}
		3516
		3517	cf::cede_to_tick;
		3518	}
		3519	}
		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3522
		3523	1
		3524	}
		3525
		3526	register_exticmd fx_want => sub {
		3527	my ($ns, $want) = @_;
		3528
		3529	while (my ($k, $v) = each %$want) {
		3530	$ns->fx_want ($k, $v);
		3531	}
		3532	};
		3533
2247	sub load_resources {	3534	sub load_resource_file($) {
2248	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
		3543
		3544	sub reload_regions {
		3545	# HACK to clear player env face cache, we need some signal framework
		3546	# for this (global event?)
		3547	%ext::player_env::MUSIC_FACE_CACHE = ();
		3548
		3549	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3550	or die "unable to load regions file\n";
2250	}
2251		3551
2252	sub cfg_load {	3552	for (cf::region::list) {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3553	$_->{match} = qr/$_->{match}/
2254	or return;	3554	if exists $_->{match};
		3555	}
		3556	}
2255		3557
2256	local $/;	3558	sub reload_facedata {
2257	*CFG = YAML::Syck::Load <$fh>;	3559	load_facedata "$DATADIR/facedata"
		3560	or die "unable to load facedata\n";
		3561	}
2258		3562
		3563	sub reload_archetypes {
		3564	load_resource_file "$DATADIR/archetypes"
		3565	or die "unable to load archetypes\n";
		3566	}
		3567
		3568	sub reload_treasures {
		3569	load_resource_file "$DATADIR/treasures"
		3570	or die "unable to load treasurelists\n";
		3571	}
		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
		3593	sub reload_resources {
		3594	trace "reloading resource files...\n";
		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
		3601	reload_regions;
		3602	reload_treasures;
		3603
		3604	trace "finished reloading resource files\n";
		3605	}
		3606
		3607	sub reload_config {
		3608	trace "reloading config file...\n";
		3609
		3610	my $config = load_file "$CONFDIR/config";
		3611	utf8::decode $config;
		3612	*CFG = decode_yaml $config;
		3613
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2260		3615
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2263		3618
2264	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2268	};	3623	};
2269	warn $@ if $@;	3624	warn $@ if $@;
2270	}	3625	}
2271	}	3626	}
2272		3627
2273	sub init {	3628	sub pidfile() {
2274	load_resources;	3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
2275	}	3654	}
2276		3655
2277	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
2278	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3669	(async {
2282	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2284	};	3673	};
2285		3674
2286	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
		3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
		3687	reload_config;
2287	db_init;	3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
2288	load_extensions;	3698	load_extensions;
2289		3699
2290	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2291	Event::loop;	3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
2292	}	3718	}
2293		3719
2294	#############################################################################	3720	#############################################################################
2295	# initialisation and cleanup	3721	# initialisation and cleanup
2296		3722
2297	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2298	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3727	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3728	cf::cleanup "SIG$signal";
2307	},
2308	);	3729	};
		3730	}
		3731	}
		3732
		3733	sub write_runtime_sync {
		3734	my $t0 = AE::time;
		3735
		3736	# first touch the runtime file to show we are still running:
		3737	# the fsync below can take a very very long time.
		3738
		3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3740
		3741	my $guard = cf::lock_acquire "write_runtime";
		3742
		3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3744	or return;
		3745
		3746	my $value = $cf::RUNTIME + 90 + 10;
		3747	# 10 is the runtime save interval, for a monotonic clock
		3748	# 60 allows for the watchdog to kill the server.
		3749
		3750	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3751	and return;
		3752
		3753	# always fsync - this file is important
		3754	aio_fsync $fh
		3755	and return;
		3756
		3757	# touch it again to show we are up-to-date
		3758	aio_utime $fh, undef, undef;
		3759
		3760	close $fh
		3761	or return;
		3762
		3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3764	and return;
		3765
		3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3767
2309	}	3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
2310	}	3819	}
2311		3820
2312	sub emergency_save() {	3821	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2314		3823
2315	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
2316		3830
2317	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2318	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2319	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2320	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2322	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3842	$pl->save;
2326	}	3843	}
2327	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2328		3845
2329	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
2330	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2331	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2332	$map->valid or next;	3851	$map->valid or next;
2333	$map->save;	3852	$map->save;
2334	}	3853	}
2335	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
2336		3855
2337	warn "begin emergency database checkpoint\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	3859	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
2340	};	3884	};
2341		3885
2342	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2343	}	3887	}
2344		3888
2345	sub post_cleanup {	3889	sub post_cleanup {
2346	my ($make_core) = @_;	3890	my ($make_core) = @_;
2347		3891
		3892	IO::AIO::flush;
		3893
2348	warn Carp::longmess "post_cleanup backtrace"	3894	error Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3895	if $make_core;
2350	}
2351		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
		3924	}
		3925
2352	sub reload() {	3926	sub do_reload_perl() {
2353	# can/must only be called in main	3927	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2355	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2356	return;	3930	return;
2357	}	3931	}
2358		3932
2359	warn "reloading...";	3933	return if $RELOAD++;
2360		3934
2361	warn "entering sync_job";	3935	my $t1 = AE::time;
2362		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
2363	cf::sync_job {	3943	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark
2365	cf::emergency_save;	3944	#cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark
2367		3945
2368	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;
2370
2371	# if anything goes wrong in here, we should simply crash as we already saved
2372
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";
2379	for (;;) {
2380	BDB::flush;
2381	IO::AIO::flush;
2382	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";
2385	}
2386
2387	warn "cancelling all extension coros";	3946	trace "perl_reload: cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3948	%EXT_CORO = ();
2390		3949
2391	warn "removing commands";	3950	trace "perl_reload: removing commands";
2392	%COMMAND = ();	3951	%COMMAND = ();
2393		3952
2394	warn "removing ext commands";	3953	trace "perl_reload: removing ext/exti commands";
2395	%EXTCMD = ();	3954	%EXTCMD = ();
		3955	%EXTICMD = ();
2396		3956
2397	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
2400		3960
2401	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
2402	eval {	3962	eval {
2403	$cb->($pkg);	3963	$cb->($pkg);
2404	1	3964	1
2405	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
2406	}	3970	}
2407		3971
2408	warn "... nuking $pkg";
2409	Symbol::delete_package $pkg;
2410	}
2411
2412	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2413	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2415		3975
2416	warn "... unloading $k";	3976	trace "... unloading $k";
2417	delete $INC{$k};	3977	delete $INC{$k};
2418		3978
2419	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
2420	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
2421		3981
2422	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
2423	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
2424	}	3987	}
2425		3988
2426	Symbol::delete_package $k;
2427	}
2428
2429	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
2430	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3992
2433	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
		3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2435		3996
2436	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3998	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
2439		4000
2440	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
2441		4002
2442	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
2443	require cf;	4004	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
2445		4006
2446	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
2447	cf::cfg_load;	4008	cf::reload_config;
2448		4009
2449	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
2450	cf::load_extensions;	4011	cf::load_extensions;
2451		4012
		4013	if ($REATTACH_ON_RELOAD) {
2452	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
2453	_global_reattach;	4015	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
2455	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
		4018	trace "perl_reload: reattaching attachments to players";
		4019	reattach $_ for values %PLAYER;
		4020	}
2456		4021
2457	warn "loading reloadable resources";	4022	cf::_post_init 1;
2458	load_resources;
2459		4023
2460	warn "leaving sync_job";	4024	trace "perl_reload: leaving sync_job";
2461		4025
2462	1	4026	1
2463	} or do {	4027	} or do {
2464	warn $@;	4028	error $@;
2465	warn "error while reloading, exiting.";	4029	cf::cleanup "perl_reload: error, exiting.";
2466	exit 1;	4030	};
		4031
		4032	--$RELOAD;
		4033	}
		4034
		4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
		4037	};
		4038
		4039	our $RELOAD_WATCHER; # used only during reload
		4040
		4041	sub reload_perl() {
		4042	# doing reload synchronously and two reloads happen back-to-back,
		4043	# coro crashes during coro_state_free->destroy here.
		4044
		4045	$RELOAD_WATCHER ||= cf::async {
		4046	Coro::AIO::aio_wait cache_extensions;
		4047
		4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4049	do_reload_perl;
		4050	undef $RELOAD_WATCHER;
		4051	};
2467	};	4052	};
2468		4053	}
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		4054
2474	register_command "reload" => sub {	4055	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
2476		4057
2477	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
2479		4060	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	4061	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	4062	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	4063	};
2492	}	4064	}
2493	};	4065	};
2494		4066
2495	unshift @INC, $LIBDIR;	4067	#############################################################################
2496		4068
2497	my $bug_warning = 0;	4069	my $bug_warning = 0;
2498		4070
2499	$TICK_WATCHER = Event->timer (	4071	our @WAIT_FOR_TICK;
2500	reentrant => 0,	4072	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	4073
2502	prio => 0,	4074	sub wait_for_tick() {
2503	at => $NEXT_TICK || $TICK,	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	4076
2505	cb => sub {	4077	my $signal = new Coro::Signal;
		4078	push @WAIT_FOR_TICK, $signal;
		4079	$signal->wait;
		4080	}
		4081
		4082	sub wait_for_tick_begin() {
		4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4084
		4085	my $signal = new Coro::Signal;
		4086	push @WAIT_FOR_TICK_BEGIN, $signal;
		4087	$signal->wait;
		4088	}
		4089
		4090	sub tick {
2506	if ($Coro::current != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
2509	return;	4094	return;
2510	}	4095	}
2511		4096
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		4098
		4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4100
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	4103	Coro::async_pool {
		4104	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	4105	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	4106	or error "ERROR: unable to write runtime file: $!";
2523	};
2524	}	4107	};
2525
2526
2527	$WAIT_FOR_TICK->broadcast;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530	# my $AFTER = Event::time;
2531	# warn $AFTER - $NOW;#d#
2532
2533	# if we are delayed by four ticks or more, skip them all
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2535
2536	$TICK_WATCHER->at ($NEXT_TICK);
2537	$TICK_WATCHER->start;
2538	},	4108	}
2539	);	4109
		4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4111	$sig->send;
		4112	}
		4113	while (my $sig = shift @WAIT_FOR_TICK) {
		4114	$sig->send;
		4115	}
		4116
		4117	$LOAD = ($NOW - $TICK_START) / $TICK;
		4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4119
		4120	if (0) {
		4121	if ($NEXT_TICK) {
		4122	my $jitter = $TICK_START - $NEXT_TICK;
		4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4124	debug "jitter $JITTER\n";#d#
		4125	}
		4126	}
		4127	}
2540		4128
2541	{	4129	{
2542	BDB::max_poll_time $TICK * 0.1;	4130	# configure BDB
2543	$BDB_POLL_WATCHER = Event->io (	4131
2544	reentrant => 0,
2545	fd => BDB::poll_fileno,
2546	poll => 'r',
2547	prio => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => \&BDB::poll_cb,
2550	);
2551	BDB::min_parallel 8;	4132	BDB::min_parallel 16;
2552		4133	BDB::max_poll_reqs $TICK * 0.1;
2553	BDB::set_sync_prepare {	4134	$AnyEvent::BDB::WATCHER->priority (1);
2554	my $status;
2555	my $current = $Coro::current;
2556	(
2557	sub {
2558	$status = $!;
2559	$current->ready; undef $current;
2560	},
2561	sub {
2562	Coro::schedule while defined $current;
2563	$! = $status;
2564	},
2565	)
2566	};
2567		4135
2568	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
2569	$DB_ENV = BDB::db_env_create;	4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2570		4143
2571	cf::sync_job {	4144	cf::sync_job {
2572	eval {	4145	eval {
2573	BDB::db_env_open	4146	BDB::db_env_open
2574	$DB_ENV,	4147	$DB_ENV,
2575	$BDB_ENV_DIR,	4148	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	4151	0666;
2579		4152
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4153	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583	$DB_ENV->set_lk_detect;
2584	};	4154	};
2585		4155
2586	cf::cleanup "db_env_open(db): $@" if $@;	4156	cf::cleanup "db_env_open(db): $@" if $@;
2587	};	4157	};
2588	}	4158	}
		4159
		4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4162	};
		4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4165	};
		4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4168	};
2589	}	4169	}
2590		4170
2591	{	4171	{
		4172	# configure IO::AIO
		4173
2592	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
2593
2594	undef $Coro::AIO::WATCHER;
2595	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
2596	$AIO_POLL_WATCHER = Event->io (	4176	undef $AnyEvent::AIO::WATCHER;
2597	reentrant => 0,
2598	data => WF_AUTOCANCEL,
2599	fd => IO::AIO::poll_fileno,
2600	poll => 'r',
2601	prio => 6,
2602	cb => \&IO::AIO::poll_cb,
2603	);
2604	}	4177	}
		4178
		4179	our $_log_backtrace;
		4180	our $_log_backtrace_last;
		4181
		4182	sub _log_backtrace {
		4183	my ($msg, @addr) = @_;
		4184
		4185	$msg =~ s/\n$//;
		4186
		4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4190	# limit the # of concurrent backtraces
		4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
		4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
		4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
		4198	my @bt = fork_call {
		4199	@addr = map { sprintf "%x", $_ } @addr;
		4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4202	or die "addr2line: $!";
		4203
		4204	my @funcs;
		4205	my @res = <$fh>;
		4206	chomp for @res;
		4207	while (@res) {
		4208	my ($func, $line) = splice @res, 0, 2, ();
		4209	push @funcs, "[$func] $line";
		4210	}
		4211
		4212	@funcs
		4213	};
		4214
		4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4217	LOG llevInfo, "[ABT] $_\n" for @bt;
		4218	--$_log_backtrace;
		4219	};
		4220	} else {
		4221	LOG llevInfo, "[ABT] $msg\n";
		4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4223	}
		4224	}
		4225
		4226	# load additional modules
		4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
2605		4229
2606	END { cf::emergency_save }	4230	END { cf::emergency_save }
2607		4231
2608	1	4232	1
2609		4233

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