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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.234 by root, Thu Apr 5 13:44:31 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;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	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
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	123	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		132
68	our %CFG;	133	our %CFG;
69		134
70	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
72		138
73	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		142
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		155
85	binmode STDOUT;	156	binmode STDOUT;
86	binmode STDERR;	157	binmode STDERR;
87		158
88	# read virtual server time, if available	159	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
93	}	164	}
94		165
95	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	167
97	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		170
102	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
103		172
104	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::"} };
105		189
106	#############################################################################	190	#############################################################################
107		191
108	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
109		193
…		…
116	=item $cf::RUNTIME	200	=item $cf::RUNTIME
117		201
118	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
119	every server tick.	203	every server tick.
120		204
121	=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
122		208
123	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		213
126	=item $cf::NOW	214	=item $cf::NOW
127		215
128	The time of the last (current) server tick.	216	The time of the last (current) server tick.
129		217
130	=item $cf::TICK	218	=item $cf::TICK
131		219
132	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	232	=item %cf::CFG
135		233
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	235	from wherever your confdir points to.
138		236
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		238
141	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
142	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
143	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.
144	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.
145		259
146	=back	260	=back
147		261
148	=cut	262	=cut
149		263
150	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
151	*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 {
152	my $msg = join "", @_;	271	my $msg = join "", @_;
153	utf8::encode $msg;
154		272
155	$msg .= "\n"	273	$msg .= "\n"
156	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
157		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
158	LOG llevError, $msg;	278	LOG llevWarn, $msg;
159	};	279	};
160	}	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	};
161		294
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		302
169	# 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
170	# within the Safe compartment.	304	# within the Safe compartment.
171	for my $pkg (qw(	305	for my $pkg (qw(
172	cf::global cf::attachable	306	cf::global cf::attachable
173	cf::object cf::object::player	307	cf::object cf::object::player
174	cf::client cf::player	308	cf::client cf::player
175	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
176	cf::map cf::party cf::region	311	cf::party cf::region
177	)) {	312	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	314	}
181		315
182	$Event::DIED = sub {	316	$EV::DIED = sub {
183	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
184	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
185		326
186	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
187		328
188	=over 4	329	=over 4
189		330
…		…
208	$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;
209	$d	350	$d
210	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
211	}	352	}
212		353
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
214		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
215	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
216		369
217	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
218		371
219	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
220		373
221	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
222		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		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	}
		443	}
		444
223	=item cf::lock_wait $string	445	=item cf::lock_wait $string
224		446
225	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
226		448
227	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
228		450
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
232	returned.	454	returned.
233		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
234	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
235	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
236		461
237	=cut	462	=item $locked = cf::lock_active $string
238		463
239	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;
240		469
241	sub lock_wait($) {	470	sub lock_wait($) {
242	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	472	}
250		473
251	sub lock_acquire($) {	474	sub lock_acquire($) {
252	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
253		477
254	# wait, to be sure we are not locked	478	sub lock_active($) {
255	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	480	}
264		481
265	sub freeze_mainloop {	482	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
267		484
268	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
269	$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	}
270	};	556	}
271	$TICK_WATCHER->stop;	557	};
272	$guard	558
		559	sub get_slot($;$$) {
		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;
273	}	572	}
274		573
275	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
276		575
277	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		581
283	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
284		583
285	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
286		585
287	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
288	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
289	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.
290		590
291	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
292	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
293	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
294	fast or be very important.	594	fast or be very important.
…		…
296	=cut	596	=cut
297		597
298	sub sync_job(&) {	598	sub sync_job(&) {
299	my ($job) = @_;	599	my ($job) = @_;
300		600
301	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
302	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
304		606
305	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	608
307	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
308		610
309	my $busy = 1;	611	my $busy = 1;
310	my @res;	612	my @res;
311		613
312	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	616	@res = eval { $job->() };
314	warn $@ if $@;	617	error $@ if $@;
315	undef $busy;	618	undef $busy;
316	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
317		620
318	while ($busy) {	621	while ($busy) {
319	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
320	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
321		632
322	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
323	} else {	634	} else {
324	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
325		636
…		…
345	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
346		657
347	$coro	658	$coro
348	}	659	}
349		660
350	sub write_runtime {	661	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		662
353	my $runtime = cf::localdir . "/runtime";	663	Executes the given code block with the given arguments in a seperate
		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.
354		667
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
356	or return;
357		669
358	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
360	# 60 allows for the watchdog to kill the server.	672	}
361		673
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
363	and return;	675	my ($cb, @args) = @_;
364		676
365	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
367	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
368		680
369	close $fh	681	my @res = Coro::Util::fork_eval {
370	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
371		685
372	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
373	and return;	687	}
374		688
		689	sub objinfo {
375	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"
376	}	853	}
377		854
378	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
379		856
380	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
381		858
382	=cut	859	=cut
383		860
384	sub datalog($@) {	861	sub datalog($@) {
385	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	864	}
388		865
389	=back	866	=back
390		867
391	=cut	868	=cut
392		869
393	#############################################################################	870	#############################################################################
394		871
395	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
396		873
397	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
398	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")
399	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
400		877
401	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>
402	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
403	crossfire+).	880	Deliantra).
404		881
405	=over 4	882	=over 4
406		883
407	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
408		885
…		…
452	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
453		930
454	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
455	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
456		933
457	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
459		936
460	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
461		938
462	=over 4	939	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
572		1049
573	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1054
578	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
580		1057
581	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
586		1063
587	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1066
590	} elsif (ref $type) {	1067	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
592		1069
593	} else {	1070	} else {
594	shift @arg;	1071	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
596	}	1073	}
597	}	1074	}
598	}	1075	}
599		1076
600	sub _object_attach {	1077	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
611	}	1088	}
612		1089
613	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
614	} else {	1091	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1093	}
617		1094
618	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
619	}	1096	}
620		1097
…		…
622	if (ref $_[0]) {	1099	if (ref $_[0]) {
623	_object_attach @_;	1100	_object_attach @_;
624	} else {	1101	} else {
625	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
626	}	1103	}
		1104	_recalc_want;
627	};	1105	};
628		1106
629	# all those should be optimised	1107	# all those should be optimised
630	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1113	reattach ($obj);
636	} else {	1114	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
638	}	1116	}
		1117	_recalc_want;
639	};	1118	};
640		1119
641	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
643		1122
…		…
658	";	1137	";
659	die if $@;	1138	die if $@;
660	}	1139	}
661		1140
662	our $override;	1141	our $override;
663	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?
664		1143
665	sub override {	1144	sub override {
666	$override = 1;	1145	$override = 1;
667	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
668	}	1147	}
669		1148
670	sub do_invoke {	1149	sub do_invoke {
671	my $event = shift;	1150	my $event = shift;
672	my $callbacks = shift;	1151	my $callbacks = shift;
673		1152
674	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
675		1154
676	local $override;	1155	local $override;
677		1156
678	for (@$callbacks) {	1157	for (@$callbacks) {
679	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
680		1159
681	if ($@) {	1160	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1162	override;
685	}	1163	}
686		1164
687	return 1 if $override;	1165	return 1 if $override;
688	}	1166	}
689		1167
690	0	1168	0
691	}	1169	}
692		1170
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1172
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1174
697	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
698		1176
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1180
703	=back	1181	=back
704		1182
705	=cut	1183	=cut
706		1184
707	#############################################################################	1185	#############################################################################
708	# 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	}
709		1229
710	sub reattach {	1230	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1232	my ($obj) = @_;
713		1233
		1234	# no longer needed after getting rid of delete_package?
714	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
715		1236
716	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
717		1238
718	@$registry = ();	1239	@$registry = ();
719		1240
…		…
724	for (@$attach) {	1245	for (@$attach) {
725	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
727	}	1248	}
728	} else {	1249	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1251	}
731	}	1252	}
732	}	1253	}
733		1254
734	cf::attachable->attach (	1255	cf::attachable->attach (
735	prio => -1000000,	1256	prio => -1000000,
736	on_instantiate => sub {	1257	on_instantiate => sub {
737	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
738		1259
739	$data = from_json $data;	1260	$data = decode_json $data;
740		1261
741	for (@$data) {	1262	for (@$data) {
742	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
743		1264
744	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1281	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
762		1283
763	sync_job {	1284	sync_job {
764	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
767		1290
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1298	aio_close $fh;
773		1299
774	if (@$objs) {	1300	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1309	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
782	}	1311	}
783	} else {	1312	} else {
784	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
785	}	1314	}
786		1315
787	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1320	} else {
789	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
790	}	1322	}
791	} else {	1323	} else {
792	aio_unlink $filename;	1324	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
794	}	1326	}
795	}	1327	};
796	}	1328	}
797		1329
798	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
800		1332
…		…
812	or return;	1344	or return;
813		1345
814	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
816	or return;	1348	or return;
		1349
817	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
818	}	1352	}
819		1353
		1354	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
822	return ($data, $av);	1359	($data, $av)
823	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
824		1367
825	#############################################################################	1368	#############################################################################
826	# command handling &c	1369	# command handling &c
827		1370
828	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1385	}
843		1386
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1388
846	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.
847		1394
848	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
849	called.	1396	called.
850		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
851	=cut	1409	=cut
852		1410
853	sub register_extcmd {	1411	sub register_extcmd {
854	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
855		1413
856	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
857	}	1415	}
858		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
859	cf::player->attach (	1425	cf::player->attach (
860	on_command => sub {	1426	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
862		1428
863	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
864	or return;	1430	or return;
865		1431
…		…
870	cf::override;	1436	cf::override;
871	},	1437	},
872	on_extcmd => sub {	1438	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
874		1440
875	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1442
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
883	} else {	1458	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1460	}
886		1461
887	cf::override;	1462	cf::override;
888	},	1463	},
889	);	1464	);
890		1465
		1466	# "readahead" all extensions
891	sub load_extension {	1467	sub cache_extensions {
892	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
893		1469
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1473	}
919	die $@;
920	}	1474	};
921		1475
922	push @EXTS, $pkg;	1476	$grp
923	}	1477	}
924		1478
925	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
926	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1486	next unless -r $path;
928	eval {	1487
929	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	}
930	1	1551	}
931	} 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	}
932	}	1562	};
933	}	1563	}
934		1564
935	#############################################################################	1565	#############################################################################
936		1566
		1567	=back
		1568
937	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
938		1570
939	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
940		1572
941	=cut	1573	=cut
942		1574
943	package cf::player;	1575	package cf::player;
944		1576
…		…
946		1578
947	=head3 cf::player	1579	=head3 cf::player
948		1580
949	=over 4	1581	=over 4
950		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
951	=item cf::player::find $login	1597	=item cf::player::find $login
952		1598
953	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
954		1600
955	=cut	1601	=cut
956		1602
957	sub playerdir($) {	1603	sub playerdir($) {
958	cf::localdir	1604	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1605	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1606	}
964		1607
965	sub path($) {	1608	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1609	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1619
977	sub exists($) {	1620	sub exists($) {
978	my ($login) = @_;	1621	my ($login) = @_;
979		1622
980	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
982	}	1625	}
983		1626
984	sub find($) {	1627	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1629	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1639	aio_unlink +(playerdir $login) . "/$login.pl";
997		1640
998	my $pl = load_pl path $login	1641	my $f = new_from_file cf::object::thawer path $login
999	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;
1000	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
1001	}	1650	}
1002	}	1651	}
1003	}	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	);
1004		1666
1005	sub save($) {	1667	sub save($) {
1006	my ($pl) = @_;	1668	my ($pl) = @_;
1007		1669
1008	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
1013	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1014		1676
1015	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1017		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
1018	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1019	Coro::cede;	1686	cf::cede_to_tick;
1020	}	1687	}
1021		1688
1022	sub new($) {	1689	sub new($) {
1023	my ($login) = @_;	1690	my ($login) = @_;
1024		1691
…		…
1030	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1031		1698
1032	$self	1699	$self
1033	}	1700	}
1034		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
1035	=item $pl->quit_character	1712	=item $pl->quit_character
1036		1713
1037	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
1038	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1039		1716
…		…
1043	my ($pl) = @_;	1720	my ($pl) = @_;
1044		1721
1045	my $name = $pl->ob->name;	1722	my $name = $pl->ob->name;
1046		1723
1047	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1048	$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
1049		1726
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1051	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1053	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1054		1735
1055	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1057	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
…		…
1086	while and may block, so not sync_job-capable, ever.	1767	while and may block, so not sync_job-capable, ever.
1087		1768
1088	=cut	1769	=cut
1089		1770
1090	sub list_logins {	1771	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1772	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1773	or return [];
1093		1774
1094	my @logins;	1775	my @logins;
1095		1776
1096	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") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1100		1787
1101	utf8::decode $login;	1788	utf8::decode $login;
1102	push @logins, $login;	1789	push @logins, $login;
1103	}	1790	}
1104		1791
1105	\@logins	1792	\@logins
1106	}	1793	}
1107		1794
1108	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1109		1798
1110	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1111	player. May block.	1800	player. May block.
1112		1801
1113	=cut	1802	=cut
…		…
1131	}	1820	}
1132		1821
1133	\@paths	1822	\@paths
1134	}	1823	}
1135		1824
		1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1826
		1827	Expand deliantra pod fragments into protocol xml.
		1828
1136	=item $player->ext_reply ($msgid, %msg)	1829	=item $player->ext_reply ($msgid, @msg)
1137		1830
1138	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1139		1832
1140	=cut	1833	=cut
1141		1834
1142	sub ext_reply($$%) {	1835	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1144		1837
1145	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1839	}
1149		1840
1150	=item $player->ext_event ($type, %msg)	1841	=item $player->ext_msg ($type, @msg)
1151		1842
1152	Sends an ext event to the client.	1843	Sends an ext event to the client.
1153		1844
1154	=cut	1845	=cut
1155		1846
1156	sub ext_event($$%) {	1847	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1848	my ($self, $type, @msg) = @_;
1158		1849
1159	$self->ns->ext_event ($type, %msg);	1850	$self->ns->ext_msg ($type, @msg);
1160	}	1851	}
1161		1852
1162	package cf;	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	}
1163		1883
1164	=back	1884	=back
1165
1166		1885
1167	=head3 cf::map	1886	=head3 cf::map
1168		1887
1169	=over 4	1888	=over 4
1170		1889
…		…
1182	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1184		1903
1185	sub generate_random_map {	1904	sub generate_random_map {
1186	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1187	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1188	$self->_create_random_map (	1909	$self->_create_random_map ($rmp);
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1192	$rmp->{exit_on_final_map},
1193	$rmp->{xsize}, $rmp->{ysize},
1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1197	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1199	(cf::region::find $rmp->{region}), $rmp->{custom}
1200	)
1201	}	1910	}
1202		1911
1203	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1204		1913
1205	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
…		…
1210		1919
1211	sub register {	1920	sub register {
1212	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1213	my $pkg = caller;	1922	my $pkg = caller;
1214		1923
1215	no strict;
1216	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1217		1925
1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1219	}	1927	}
1220		1928
1221	# also paths starting with '/'	1929	# also paths starting with '/'
1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1223		1931
1224	sub thawer_merge {	1932	sub thawer_merge {
1225	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1226		1934
1227	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
1228	local $self->{path};	1936	local $self->{path};
1229	local $self->{load_path};	1937	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1938
1233	$self->SUPER::thawer_merge ($merge);	1939	$self->SUPER::thawer_merge ($merge);
1234	}	1940	}
1235		1941
1236	sub normalise {	1942	sub normalise {
1237	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1238		1944
1239	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1240		1946
1241	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1242		1948
1243	# map plan:	1949	# map plan:
1244	#	1950	#
…		…
1259	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1260	$path = "$base/$path";	1966	$path = "$base/$path";
1261	}	1967	}
1262		1968
1263	for ($path) {	1969	for ($path) {
1264	redo if s{//}{/};
1265	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1266	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1267	}	1972	}
1268		1973
1269	$path	1974	$path
…		…
1283	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1284	return $self;	1989	return $self;
1285	}	1990	}
1286	}	1991	}
1287		1992
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1289	()	1994	()
1290	}	1995	}
1291		1996
1292	sub init {	1997	sub init {
1293	my ($self) = @_;	1998	my ($self) = @_;
…		…
1308		2013
1309	# the original (read-only) location	2014	# the original (read-only) location
1310	sub load_path {	2015	sub load_path {
1311	my ($self) = @_;	2016	my ($self) = @_;
1312		2017
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2018	"$MAPDIR/$self->{path}.map"
1314	}	2019	}
1315		2020
1316	# the temporary/swap location	2021	# the temporary/swap location
1317	sub save_path {	2022	sub save_path {
1318	my ($self) = @_;	2023	my ($self) = @_;
1319		2024
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2026	"$TMPDIR/$path.map"
1322	}	2027	}
1323		2028
1324	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1325	sub uniq_path {	2030	sub uniq_path {
1326	my ($self) = @_;	2031	my ($self) = @_;
1327		2032
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2034	"$UNIQUEDIR/$path"
1330	}	2035	}
1331		2036
1332	# and all this just because we cannot iterate over	2037	sub decay_objects {
1333	# all maps in C++...
1334	sub change_all_map_light {
1335	my ($change) = @_;	2038	my ($self) = @_;
1336		2039
1337	$_->change_map_light ($change)	2040	return if $self->{deny_reset};
1338	for grep $_->outdoor, values %cf::MAP;	2041
		2042	$self->do_decay_objects;
1339	}	2043	}
1340		2044
1341	sub unlink_save {	2045	sub unlink_save {
1342	my ($self) = @_;	2046	my ($self) = @_;
1343		2047
…		…
1348		2052
1349	sub load_header_from($) {	2053	sub load_header_from($) {
1350	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1351		2055
1352	utf8::encode $path;	2056	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	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;
1358		2065
1359	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1360		2067
1361	1	2068	1
1362	}	2069	}
…		…
1401	$self->load_header_orig	2108	$self->load_header_orig
1402	or return;	2109	or return;
1403	$self->prepare_orig;	2110	$self->prepare_orig;
1404	}	2111	}
1405		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
1406	1	2119	1
1407	}	2120	}
1408		2121
1409	sub find;	2122	sub find;
1410	sub find {	2123	sub find {
1411	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1412		2125
		2126	cf::cede_to_tick;
		2127
1413	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1414		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1416		2132
1417	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";
1419	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1420	or return;	2135	or return;
1421		2136
1422	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1423		2138
1424	$map->load_header	2139	$map->load_header
1425	or return;	2140	or return;
1426		2141
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1430	$map->reset;	2147	$map->reset;
1431	undef $guard;
1432	return find $path;	2148	return find $path;
1433	}	2149	}
1434		2150
1435	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1436	}	2152	}
1437	}	2153	}
1438		2154
1439	sub pre_load { }	2155	sub pre_load { }
1440	sub post_load { }	2156	#sub post_load { } # XS
1441		2157
1442	sub load {	2158	sub load {
1443	my ($self) = @_;	2159	my ($self) = @_;
1444		2160
1445	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
1446		2162
1447	my $path = $self->{path};	2163	my $path = $self->{path};
		2164
		2165	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1449		2167
		2168	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2170
1452	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1453		2172
1454	$self->alloc;	2173	$self->alloc;
1455		2174
1456	$self->pre_load;	2175	$self->pre_load;
		2176	cf::cede_to_tick;
1457		2177
1458	$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)
1459	or return;	2181	or return;
1460		2182
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1462	if delete $self->{load_original};	2184	if delete $self->{load_original};
1463		2185
1464	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2187	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2190	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1469	}	2194	}
1470	}	2195	}
1471		2196
1472	Coro::cede;	2197	$f->resolve_delayed_derefs;
1473		2198
		2199	cf::cede_to_tick;
1474	# now do the right thing for maps	2200	# now do the right thing for maps
1475	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2202	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2203	unless $self->difficulty;
1485	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;
1486	$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);
1487	}	2218	}
1488		2219
1489	$self->post_load;	2220	$self->post_load;
1490		2221
1491	$self->in_memory (cf::MAP_IN_MEMORY);	2222	1
1492	}	2223	}
1493		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
1494	sub customise_for {	2228	sub customise_for {
1495	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1496		2230
1497	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2232	if $self->per_player;
1499		2233
		2234	# return find "?party/" . $ob->name . "/" . $self->{path}
		2235	# if $self->per_party;
		2236
1500	$self	2237	$self
1501	}	2238	}
1502		2239
1503	# 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
1504	sub load_diag {	2241	sub load_neighbours {
1505	my ($map) = @_;	2242	my ($map) = @_;
1506		2243
1507	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1508		2245
1509	for (0 .. 3) {	2246	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1511	or next;	2248	or next;
1512	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1513	or next;	2250	or next;
1514	$neigh->load;	2251	$neigh->load;
1515		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2257	}
1519		2258
1520	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1522	or next;	2262	or next;
1523	$neigh->load;	2263	$neigh->load;
1524	}	2264	}
1525	}	2265	}
1526		2266
1527	sub find_sync {	2267	sub find_sync {
1528	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1529		2269
1530	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
1531	}	2274	}
1532		2275
1533	sub do_load_sync {	2276	sub do_load_sync {
1534	my ($map) = @_;	2277	my ($map) = @_;
1535		2278
1536	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;
1537	}	2283	}
1538		2284
1539	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1541		2287
1542	sub find_async {	2288	sub find_async {
1543	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1544		2290
1545	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1546		2292
1547	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2295	}
1550		2296
1551	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1552	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1553	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2304	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2305	$map->load if $v;
		2306	}
1558		2307
1559	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1560	}	2309	}
1561	}	2310	}
1562	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1563	};	2312	};
1564	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1565		2314
1566	()	2315	()
1567	}	2316	}
1568		2317
		2318	# common code, used by both ->save and ->swapout
1569	sub save {	2319	sub _save {
1570	my ($self) = @_;	2320	my ($self) = @_;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1573		2321
1574	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1575		2323
1576	return unless $self->dirty;	2324	return unless $self->dirty;
1577		2325
…		…
1583	return if $self->{deny_save};	2331	return if $self->{deny_save};
1584		2332
1585	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1586		2334
1587	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1589	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1590		2341
1591	if ($uniq) {	2342	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2345	} else {
1595	$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);
1596	}	2347	}
1597	}	2348	}
1598		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1599	sub swap_out {	2358	sub swap_out {
1600	my ($self) = @_;	2359	my ($self) = @_;
1601		2360
1602	# save first because save cedes
1603	$self->save;
1604
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1607	return if $self->players;	2365	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1609	return if $self->{deny_save};
1610		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
1611	$self->clear;	2376	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2377	}
1614		2378
1615	sub reset_at {	2379	sub reset_at {
1616	my ($self) = @_;	2380	my ($self) = @_;
1617		2381
1618	# TODO: safety, remove and allow resettable per-player maps	2382	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2383	return 1e99 if $self->{deny_reset};
1621		2384
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	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;
1624		2387
…		…
1635	my ($self) = @_;	2398	my ($self) = @_;
1636		2399
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2401
1639	return if $self->players;	2402	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2403
1642	warn "resetting map ", $self->path;#d#	2404	cf::trace "resetting map ", $self->path, "\n";
1643		2405
1644	$self->in_memory (cf::MAP_SWAPPED);	2406	$self->in_memory (cf::MAP_SWAPPED);
1645		2407
1646	# need to save uniques path	2408	# need to save uniques path
1647	unless ($self->{deny_save}) {	2409	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2413	if $uniq;
1652	}	2414	}
1653		2415
1654	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
1655		2417
		2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2420	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2421
1660	$self->unlink_save;	2422	$self->unlink_save;
1661	$self->destroy;	2423	$self->destroy;
1662	}	2424	}
1663		2425
1664	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
1665		2427
1666	sub nuke {	2428	sub nuke {
1667	my ($self) = @_;	2429	my ($self) = @_;
1668		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
1669	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
1670		2435
1671	$self->unlink_save;	2436	$self->unlink_save;
1672		2437
1673	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
1674	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2443
1679	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
1680		2446
1681	$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	]
1682	}	2484	}
1683		2485
1684	=item cf::map::unique_maps	2486	=item cf::map::unique_maps
1685		2487
1686	Returns an arrayref of paths of all shared maps that have	2488	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2489	instantiated unique items. May block.
1688		2490
1689	=cut	2491	=cut
1690		2492
1691	sub unique_maps() {	2493	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2494	[
1693	or return;	2495	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2496	utf8::decode $_;
1699	next if /\.pst$/;	2497	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2499	? ()
1702	push @paths, cf::map::normalise $_;	2500	: normalise $_
		2501	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2502	]
1704
1705	\@paths
1706	}	2503	}
1707		2504
1708	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	}
1709		2536
1710	=back	2537	=back
1711		2538
1712	=head3 cf::object	2539	=head3 cf::object
1713		2540
…		…
1717		2544
1718	=over 4	2545	=over 4
1719		2546
1720	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
1721		2548
1722	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.
1723		2551
1724	=cut	2552	=cut
1725		2553
1726	sub inv_recursive_;	2554	sub inv_recursive_;
1727	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
1730		2558
1731	sub inv_recursive {	2559	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
1733	}	2561	}
1734		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
1735	package cf;	2591	package cf;
1736		2592
1737	=back	2593	=back
1738		2594
1739	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
1745	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>
1746	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
1747	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
1748		2604
1749	=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	};
1750		2620
1751	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2622	# with dialog boxes.
1753	#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
1754	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
1756		2626
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2627	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2628
1759	if ($self->{record_replies}) {	2629	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2630	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2631
1761	} 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 {
1762	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2642	}
1764	}	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 (@_);
1765	}	2654	}
1766		2655
1767	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
1768		2657
1769	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
1782		2671
1783	=item $player_object->enter_link	2672	=item $player_object->enter_link
1784		2673
1785	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}>).
1786		2675
1787	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.
1788	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.
1789		2680
1790	Will never block.	2681	Will never block.
1791		2682
1792	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
1793		2684
…		…
1813	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
1814	my ($self) = @_;	2705	my ($self) = @_;
1815		2706
1816	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
1817		2708
		2709	++$self->{_link_recursion};
		2710
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2712
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2714	if $self->map && $self->map->{path} ne "{link}";
1822		2715
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1824	}	2717	}
1825		2718
1826	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
		2721
		2722	return unless $self->contr->active;
1828		2723
1829	my $link_pos = delete $self->{_link_pos};	2724	my $link_pos = delete $self->{_link_pos};
1830		2725
1831	unless ($map) {	2726	unless ($map) {
1832	# restore original map position	2727	# restore original map position
…		…
1843	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
1844	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
1845		2740
1846	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
1849		2744
1850	$map->load;	2745	$map->load;
1851	$map->load_diag;	2746	$map->load_neighbours;
1852		2747
1853	return unless $self->contr->active;	2748	return unless $self->contr->active;
1854	$self->activate_recursive;
1855		2749
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2751	if ($self->enter_map ($map, $x, $y)) {
1858	}	2752	# entering was successful
1859		2753	delete $self->{_link_recursion};
1860	cf::player->attach (	2754	# only activate afterwards, to support waiting in hooks
1861	on_logout => sub {	2755	$self->activate_recursive;
1862	my ($pl) = @_;
1863
1864	# abort map switching before logout
1865	if ($pl->ob->{_link_pos}) {
1866	cf::sync_job {
1867	$pl->ob->leave_link
1868	};
1869	}
1870	},	2756	}
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2757
1874	# try to abort aborted map switching on player login :)	2758	}
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2759
1892	=item $player_object->goto ($path, $x, $y)	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1893		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
1894	=cut	2771	=cut
		2772
		2773	our $GOTOGEN;
1895		2774
1896	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
1897	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;
1898		2786
1899	$self->enter_link;	2787	$self->enter_link;
1900		2788
1901	(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
1902	my $map = eval {	2811	my $map = eval {
1903	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
		2813
		2814	if ($map) {
1904	$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
1905	$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 $@;
1906	} or	2827	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2828
		2829	if ($gen == $self->{_goto_generation}) {
		2830	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
		2832	}
		2833
		2834	$done->($self) if $done;
1910	})->prio (1);	2835	})->prio (1);
1911	}	2836	}
1912		2837
1913	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
1914		2839
…		…
1934	}	2859	}
1935		2860
1936	sub prepare_random_map {	2861	sub prepare_random_map {
1937	my ($exit) = @_;	2862	my ($exit) = @_;
1938		2863
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2866	# that depends on the exit object
1944		2867
1945	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2870	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
1952	}	2877	}
1953		2878
1954	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
1955		2880
1956	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
1959		2884
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2887	undef $fh;
1963	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
1964		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
1967	}	2896	}
1968	}	2897	}
1969		2898
1970	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
1972		2901
1973	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
1974		2903
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2904	$self->enter_link;
1987		2905
1988	(async {	2906	(async {
1989	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
1990	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
1991	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
1992		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
1993	1;	2930	1
1994	}) {	2931	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "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. "
1997	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2936
2000	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
2001	$self->leave_link;	2938	$self->leave_link;
2002	}	2939	}
2003	})->prio (1);	2940	})->prio (1);
2004	}	2941	}
2005		2942
…		…
2019		2956
2020	utf8::encode $text;	2957	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2959	}
2023		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
2024	=item $client->ext_event ($type, %msg)	3148	=item $client->ext_msg ($type, @msg)
2025		3149
2026	Sends an exti event to the client.	3150	Sends an ext event to the client.
2027		3151
2028	=cut	3152	=cut
2029		3153
2030	sub cf::client::ext_event($$%) {	3154	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	3155	my ($self, $type, @msg) = @_;
2032		3156
		3157	if ($self->extcmd == 2) {
		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	3160	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		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	}
2035	}	3181	}
2036		3182
2037	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
2038		3184
2039	Queues a query to the client, calling the given callback with	3185	Queues a query to the client, calling the given callback with
2040	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>,
2041	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>.
2042		3188
2043	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
2044	reliable at some point in the future.	3190	become reliable at some point in the future.
2045		3191
2046	=cut	3192	=cut
2047		3193
2048	sub cf::client::query {	3194	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	3195	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	3203	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3204	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		3205
2060	$self->send_packet ($self->{query_queue}[0][0])	3206	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	3207	if @{ $self->{query_queue} } == 1;
		3208
		3209	1
2062	}	3210	}
2063		3211
2064	cf::client->attach (	3212	cf::client->attach (
		3213	on_connect => sub {
		3214	my ($ns) = @_;
		3215
		3216	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3217	},
2065	on_reply => sub {	3218	on_reply => sub {
2066	my ($ns, $msg) = @_;	3219	my ($ns, $msg) = @_;
2067		3220
2068	# this weird shuffling is so that direct followup queries	3221	# this weird shuffling is so that direct followup queries
2069	# get handled first	3222	# get handled first
…		…
2081	} else {	3234	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3235	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	3236	}
2084	}	3237	}
2085	},	3238	},
		3239	on_exticmd => sub {
		3240	my ($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	},
2086	);	3265	);
2087		3266
2088	=item $client->async (\&cb)	3267	=item $client->async (\&cb)
2089		3268
2090	Create a new coroutine, running the specified callback. The coroutine will	3269	Create a new coroutine, running the specified callback. The coroutine will
…		…
2106		3285
2107	$coro	3286	$coro
2108	}	3287	}
2109		3288
2110	cf::client->attach (	3289	cf::client->attach (
2111	on_destroy => sub {	3290	on_client_destroy => sub {
2112	my ($ns) = @_;	3291	my ($ns) = @_;
2113		3292
2114	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2115	},	3294	},
2116	);	3295	);
…		…
2131	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2133		3312
2134	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2135		3314
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2137		3320
2138	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2139		3322
2140	=pod	3323	=pod
2141		3324
2142	The following functions and methods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2143		3326
2144	cf::object contr pay_amount pay_player map	3327	cf::object
		3328	contr pay_amount pay_player map x y force_find force_add destroy
		3329	insert remove name archname title slaying race decrease split
		3330	value
		3331
2145	cf::object::player player	3332	cf::object::player
2146	cf::player peaceful	3333	player
2147	cf::map trigger	3334
		3335	cf::player
		3336	peaceful
		3337
		3338	cf::map
		3339	trigger
2148		3340
2149	=cut	3341	=cut
2150		3342
2151	for (	3343	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2153	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2155	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2156	) {	3350	) {
2157	no strict 'refs';
2158	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2159	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2160	for @funs;	3353	for @funs;
2161	}	3354	}
2162		3355
…		…
2177		3370
2178	my $qcode = $code;	3371	my $qcode = $code;
2179	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2180	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2181		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2182	local $_;	3378	local $_;
2183	local @safe::cf::_safe_eval_args = values %vars;
2184		3379
2185	my $eval =	3380	my $eval =
2186	"do {\n"	3381	"do {\n"
2187	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2188	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2189	. $code	3384	. $code
2190	. "\n}"	3385	. "\n}"
2191	;	3386	;
2192		3387
		3388	if ($CFG{safe_eval}) {
2193	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2194	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2195	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2196		3397
2197	if ($@) {	3398	if ($@) {
2198	warn "$@";	3399	warn "$@",
2199	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2200	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2201	}	3402	}
2202		3403
2203	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2204	}	3405	}
2205		3406
…		…
2219	=cut	3420	=cut
2220		3421
2221	sub register_script_function {	3422	sub register_script_function {
2222	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2223		3424
2224	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2225	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2226	}	3427	}
2227		3428
2228	=back	3429	=back
2229		3430
2230	=cut	3431	=cut
2231
2232	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303		3432
2304	#############################################################################	3433	#############################################################################
2305	# the server's init and main functions	3434	# the server's init and main functions
2306		3435
2307	sub load_facedata {	3436	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3437	my ($path) = @_;
2309		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
2310	warn "loading facedata from $path\n";	3445	trace "loading facedata from $path\n";
2311		3446
2312	my $faces;	3447	my $facedata = decode_storable load_file $path;
2313	0 < aio_load $path, $faces
2314	or die "$path: $!";
2315		3448
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;
2318	Coro::cede;
2319
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	3449	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		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 = $facedata->{faceinfo};
		3463
2324	while (my ($face, $info) = each %$faces) {	3464	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3466
		3467	cf::face::set_visibility $idx, $info->{visibility};
		3468	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2329	Coro::cede;	3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2330	}
2331		3472
		3473	cf::cede_to_tick;
		3474	}
		3475
2332	while (my ($face, $info) = each %$faces) {	3476	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	3477	next unless $info->{smooth};
		3478
2334	my $idx = cf::face::find $face	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, $v);
		3531	}
		3532	};
		3533
		3534	sub load_resource_file($) {
		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"
		3550	or die "unable to load regions file\n";
		3551
		3552	for (cf::region::list) {
		3553	$_->{match} = qr/$_->{match}/
		3554	if exists $_->{match};
		3555	}
		3556	}
		3557
		3558	sub reload_facedata {
		3559	load_facedata "$DATADIR/facedata"
		3560	or die "unable to load facedata\n";
		3561	}
		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 = $soundconf->{compat}[$_]
2335	or next;	3580	or next;
2336	if (my $smooth = cf::face::find $info->{smooth}) {
2337	cf::face::set_smooth $idx, $smooth;
2338	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}
2341	Coro::cede;
2342	}
2343		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2344	1	3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
2345	}	3591	}
2346		3592
2347	sub reload_resources {	3593	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3594	trace "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	3595
		3596	reload_exp_table;
		3597	reload_materials;
2350	load_facedata	3598	reload_facedata;
2351	or die "unable to load facedata\n";#d#	3599	reload_sound;
2352	}	3600	reload_archetypes;
2353
2354	sub init {
2355	reload_resources;	3601	reload_regions;
2356	}	3602	reload_treasures;
2357		3603
2358	sub cfg_load {	3604	trace "finished reloading resource files\n";
2359	open my $fh, "<:utf8", cf::confdir . "/config"	3605	}
2360	or return;
2361		3606
2362	local $/;	3607	sub reload_config {
2363	*CFG = YAML::Syck::Load <$fh>;	3608	trace "reloading config file...\n";
2364		3609
		3610	my $config = load_file "$CONFDIR/config";
		3611	utf8::decode $config;
		3612	*CFG = decode_yaml $config;
		3613
2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2366		3615
2367	$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};
2368	$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};
2369		3618
2370	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2374	};	3623	};
2375	warn $@ if $@;	3624	warn $@ if $@;
2376	}	3625	}
2377	}	3626	}
2378		3627
		3628	sub pidfile() {
		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;
		3654	}
		3655
2379	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
2380	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2381	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2382	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#
2383	(async {	3669	(async {
2384	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2385	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2386	};	3673	};
2387		3674
2388	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;
2389	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
2390	load_extensions;	3698	load_extensions;
2391		3699
2392	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2393	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;
2394	}	3718	}
2395		3719
2396	#############################################################################	3720	#############################################################################
2397	# initialisation and cleanup	3721	# initialisation and cleanup
2398		3722
2399	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2400	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2401	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2402	Event->signal (	3727	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2403	reentrant => 0,
2404	data => WF_AUTOCANCEL,
2405	signal => $signal,
2406	prio => 0,
2407	cb => sub {
2408	cf::cleanup "SIG$signal";	3728	cf::cleanup "SIG$signal";
2409	},
2410	);	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
2411	}	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 };
2412	}	3819	}
2413		3820
2414	sub emergency_save() {	3821	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2416		3823
2417	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;
2418		3830
2419	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2420	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2421	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2422	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2423	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2424	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2425	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2426	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427	$pl->save;	3842	$pl->save;
2428	}	3843	}
2429	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2430		3845
2431	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";
2432	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2433	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2434	$map->valid or next;	3851	$map->valid or next;
2435	$map->save;	3852	$map->save;
2436	}	3853	}
2437	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
2438		3855
2439	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";
2440	BDB::db_env_txn_checkpoint $DB_ENV;	3859	BDB::db_env_txn_checkpoint $DB_ENV;
2441	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 $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
2442	};	3884	};
2443		3885
2444	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2445	}	3887	}
2446		3888
2447	sub post_cleanup {	3889	sub post_cleanup {
2448	my ($make_core) = @_;	3890	my ($make_core) = @_;
2449		3891
		3892	IO::AIO::flush;
		3893
2450	warn Carp::longmess "post_cleanup backtrace"	3894	error Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	3895	if $make_core;
2452	}
2453		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
2454	sub reload() {	3926	sub do_reload_perl() {
2455	# can/must only be called in main	3927	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2457	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2458	return;	3930	return;
2459	}	3931	}
2460		3932
2461	warn "reloading...";	3933	return if $RELOAD++;
2462		3934
2463	warn "entering sync_job";	3935	my $t1 = AE::time;
2464		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
2465	cf::sync_job {	3943	cf::sync_job {
2466	cf::write_runtime; # external watchdog should not bark
2467	cf::emergency_save;	3944	#cf::emergency_save;
2468	cf::write_runtime; # external watchdog should not bark
2469		3945
2470	warn "syncing database to disk";
2471	BDB::db_env_txn_checkpoint $DB_ENV;
2472
2473	# if anything goes wrong in here, we should simply crash as we already saved
2474
2475	warn "cancelling all WF_AUTOCANCEL watchers";
2476	for (Event::all_watchers) {
2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2478	}
2479
2480	warn "flushing outstanding aio requests";
2481	for (;;) {
2482	BDB::flush;
2483	IO::AIO::flush;
2484	Coro::cede;
2485	last unless IO::AIO::nreqs || BDB::nreqs;
2486	warn "iterate...";
2487	}
2488
2489	++$RELOAD;
2490
2491	warn "cancelling all extension coros";	3946	trace "perl_reload: cancelling all extension coros";
2492	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
2493	%EXT_CORO = ();	3948	%EXT_CORO = ();
2494		3949
2495	warn "removing commands";	3950	trace "perl_reload: removing commands";
2496	%COMMAND = ();	3951	%COMMAND = ();
2497		3952
2498	warn "removing ext commands";	3953	trace "perl_reload: removing ext/exti commands";
2499	%EXTCMD = ();	3954	%EXTCMD = ();
		3955	%EXTICMD = ();
2500		3956
2501	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
2504		3960
2505	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
2506	eval {	3962	eval {
2507	$cb->($pkg);	3963	$cb->($pkg);
2508	1	3964	1
2509	} 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;
2510	}	3970	}
2511		3971
2512	warn "... nuking $pkg";
2513	Symbol::delete_package $pkg;
2514	}
2515
2516	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2517	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2519		3975
2520	warn "... unloading $k";	3976	trace "... unloading $k";
2521	delete $INC{$k};	3977	delete $INC{$k};
2522		3978
2523	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
2524	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
2525		3981
2526	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
2527	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
2528	}	3987	}
2529		3988
2530	Symbol::delete_package $k;
2531	}
2532
2533	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
2534	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
2535	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);
2536		3992
2537	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
		3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2539		3996
2540	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3998	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
2543		4000
2544	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
2545		4002
2546	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
2547	require cf;	4004	require cf;
2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
2549		4006
2550	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
2551	cf::cfg_load;	4008	cf::reload_config;
2552		4009
2553	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
2554	cf::load_extensions;	4011	cf::load_extensions;
2555		4012
		4013	if ($REATTACH_ON_RELOAD) {
2556	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
2557	_global_reattach; # objects, sockets	4015	_global_reattach; # objects, sockets
2558	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
2559	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	4018	trace "perl_reload: reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	4019	reattach $_ for values %PLAYER;
		4020	}
2562		4021
2563	warn "loading reloadable resources";	4022	cf::_post_init 1;
2564	reload_resources;
2565		4023
2566	warn "leaving sync_job";	4024	trace "perl_reload: leaving sync_job";
2567		4025
2568	1	4026	1
2569	} or do {	4027	} or do {
2570	warn $@;	4028	error $@;
2571	warn "error while reloading, exiting.";	4029	cf::cleanup "perl_reload: error, exiting.";
2572	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	};
2573	};	4052	};
2574		4053	}
2575	warn "reloaded";
2576	};
2577
2578	our $RELOAD_WATCHER; # used only during reload
2579		4054
2580	register_command "reload" => sub {	4055	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
2582		4057
2583	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
2585		4060	async {
2586	# doing reload synchronously and two reloads happen back-to-back,	4061	$Coro::current->{desc} = "perl_reload";
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;	4062	reload_perl;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);	4063	};
2598	}	4064	}
2599	};	4065	};
2600		4066
2601	unshift @INC, $LIBDIR;	4067	#############################################################################
2602		4068
2603	my $bug_warning = 0;	4069	my $bug_warning = 0;
2604		4070
2605	$TICK_WATCHER = Event->timer (	4071	our @WAIT_FOR_TICK;
2606	reentrant => 0,	4072	our @WAIT_FOR_TICK_BEGIN;
2607	parked => 1,	4073
2608	prio => 0,	4074	sub wait_for_tick() {
2609	at => $NEXT_TICK || $TICK,	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2610	data => WF_AUTOCANCEL,	4076
2611	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 {
2612	if ($Coro::current != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
2613	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"
2614	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
2615	return;	4094	return;
2616	}	4095	}
2617		4096
2618	$NOW = Event::time;
2619
2620	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
2621	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;
2623		4098
		4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4100
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626	Coro::async_pool {	4103	Coro::async_pool {
		4104	$Coro::current->{desc} = "runtime saver";
2627	write_runtime	4105	write_runtime_sync
2628	or warn "ERROR: unable to write runtime file: $!";	4106	or error "ERROR: unable to write runtime file: $!";
2629	};
2630	}	4107	};
2631
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#
2637
2638	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2640
2641	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;
2643	},	4108	}
2644	);	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	}
2645		4128
2646	{	4129	{
2647	BDB::max_poll_time $TICK * 0.1;	4130	# configure BDB
2648	$BDB_POLL_WATCHER = Event->io (	4131
2649	reentrant => 0,
2650	fd => BDB::poll_fileno,
2651	poll => 'r',
2652	prio => 0,
2653	data => WF_AUTOCANCEL,
2654	cb => \&BDB::poll_cb,
2655	);
2656	BDB::min_parallel 8;	4132	BDB::min_parallel 16;
2657		4133	BDB::max_poll_reqs $TICK * 0.1;
2658	BDB::set_sync_prepare {	4134	$AnyEvent::BDB::WATCHER->priority (1);
2659	my $status;
2660	my $current = $Coro::current;
2661	(
2662	sub {
2663	$status = $!;
2664	$current->ready; undef $current;
2665	},
2666	sub {
2667	Coro::schedule while defined $current;
2668	$! = $status;
2669	},
2670	)
2671	};
2672		4135
2673	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
2674	$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);
2675		4143
2676	cf::sync_job {	4144	cf::sync_job {
2677	eval {	4145	eval {
2678	BDB::db_env_open	4146	BDB::db_env_open
2679	$DB_ENV,	4147	$DB_ENV,
2680	$BDB_ENV_DIR,	4148	$BDBDIR,
2681	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
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	4151	0666;
2684		4152
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4153	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;
2689	};	4154	};
2690		4155
2691	cf::cleanup "db_env_open(db): $@" if $@;	4156	cf::cleanup "db_env_open(db): $@" if $@;
2692	};	4157	};
2693	}	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	};
2694	}	4169	}
2695		4170
2696	{	4171	{
		4172	# configure IO::AIO
		4173
2697	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
2698
2699	undef $Coro::AIO::WATCHER;
2700	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
2701	$AIO_POLL_WATCHER = Event->io (	4176	undef $AnyEvent::AIO::WATCHER;
2702	reentrant => 0,
2703	data => WF_AUTOCANCEL,
2704	fd => IO::AIO::poll_fileno,
2705	poll => 'r',
2706	prio => 6,
2707	cb => \&IO::AIO::poll_cb,
2708	);
2709	}	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;
2710		4229
2711	END { cf::emergency_save }	4230	END { cf::emergency_save }
2712		4231
2713	1	4232	1
2714		4233

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