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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.562 by root, Sat Apr 23 04:46:26 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"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	864	}
377		865
378	=back	866	=back
379		867
380	=cut	868	=cut
381		869
382	#############################################################################	870	#############################################################################
383		871
384	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
385		873
386	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
387	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")
388	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
389		877
390	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>
391	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
392	crossfire+).	880	Deliantra).
393		881
394	=over 4	882	=over 4
395		883
396	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
397		885
…		…
441	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
442		930
443	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
444	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
445		933
446	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
447	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.
448		936
449	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
450		938
451	=over 4	939	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
561		1049
562	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		1054
567	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
569		1057
570	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
575		1063
576	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		1066
579	} elsif (ref $type) {	1067	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
581		1069
582	} else {	1070	} else {
583	shift @arg;	1071	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
585	}	1073	}
586	}	1074	}
587	}	1075	}
588		1076
589	sub _object_attach {	1077	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
600	}	1088	}
601		1089
602	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
603	} else {	1091	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1093	}
606		1094
607	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
608	}	1096	}
609		1097
…		…
611	if (ref $_[0]) {	1099	if (ref $_[0]) {
612	_object_attach @_;	1100	_object_attach @_;
613	} else {	1101	} else {
614	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
615	}	1103	}
		1104	_recalc_want;
616	};	1105	};
617		1106
618	# all those should be optimised	1107	# all those should be optimised
619	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1113	reattach ($obj);
625	} else {	1114	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
627	}	1116	}
		1117	_recalc_want;
628	};	1118	};
629		1119
630	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
632		1122
…		…
647	";	1137	";
648	die if $@;	1138	die if $@;
649	}	1139	}
650		1140
651	our $override;	1141	our $override;
652	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?
653		1143
654	sub override {	1144	sub override {
655	$override = 1;	1145	$override = 1;
656	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
657	}	1147	}
658		1148
659	sub do_invoke {	1149	sub do_invoke {
660	my $event = shift;	1150	my $event = shift;
661	my $callbacks = shift;	1151	my $callbacks = shift;
662		1152
663	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
664		1154
665	local $override;	1155	local $override;
666		1156
667	for (@$callbacks) {	1157	for (@$callbacks) {
668	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
669		1159
670	if ($@) {	1160	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1162	override;
674	}	1163	}
675		1164
676	return 1 if $override;	1165	return 1 if $override;
677	}	1166	}
678		1167
679	0	1168	0
680	}	1169	}
681		1170
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1172
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1174
686	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
687		1176
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1180
692	=back	1181	=back
693		1182
694	=cut	1183	=cut
695		1184
696	#############################################################################	1185	#############################################################################
697	# 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	}
698		1229
699	sub reattach {	1230	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1232	my ($obj) = @_;
702		1233
		1234	# no longer needed after getting rid of delete_package?
703	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
704		1236
705	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
706		1238
707	@$registry = ();	1239	@$registry = ();
708		1240
…		…
713	for (@$attach) {	1245	for (@$attach) {
714	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
716	}	1248	}
717	} else {	1249	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1251	}
720	}	1252	}
721	}	1253	}
722		1254
723	cf::attachable->attach (	1255	cf::attachable->attach (
724	prio => -1000000,	1256	prio => -1000000,
725	on_instantiate => sub {	1257	on_instantiate => sub {
726	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
727		1259
728	$data = from_json $data;	1260	$data = decode_json $data;
729		1261
730	for (@$data) {	1262	for (@$data) {
731	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
732		1264
733	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1281	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
751		1283
752	sync_job {	1284	sync_job {
753	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
756		1290
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	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	}
761	close $fh;	1298	aio_close $fh;
762		1299
763	if (@$objs) {	1300	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
768	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	}
769	close $fh;	1309	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
771	}	1311	}
772	} else {	1312	} else {
773	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
774	}	1314	}
775		1315
776	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1320	} else {
778	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
779	}	1322	}
780	} else {	1323	} else {
781	aio_unlink $filename;	1324	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
783	}	1326	}
784	}	1327	};
785	}	1328	}
786		1329
787	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
789		1332
…		…
801	or return;	1344	or return;
802		1345
803	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
805	or return;	1348	or return;
		1349
806	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
807	}	1352	}
808		1353
		1354	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
811	return ($data, $av);	1359	($data, $av)
812	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
813		1367
814	#############################################################################	1368	#############################################################################
815	# command handling &c	1369	# command handling &c
816		1370
817	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1385	}
832		1386
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1388
835	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.
836		1394
837	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
838	called.	1396	called.
839		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
840	=cut	1409	=cut
841		1410
842	sub register_extcmd {	1411	sub register_extcmd {
843	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
844		1413
845	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
846	}	1415	}
847		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
848	cf::player->attach (	1425	cf::player->attach (
849	on_command => sub {	1426	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
851		1428
852	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
853	or return;	1430	or return;
854		1431
…		…
859	cf::override;	1436	cf::override;
860	},	1437	},
861	on_extcmd => sub {	1438	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
863		1440
864	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1442
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
872	} else {	1458	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1460	}
875		1461
876	cf::override;	1462	cf::override;
877	},	1463	},
878	);	1464	);
879		1465
		1466	# "readahead" all extensions
880	sub load_extension {	1467	sub cache_extensions {
881	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
882		1469
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1473	}
908	die $@;
909	}	1474	};
910		1475
911	push @EXTS, $pkg;	1476	$grp
912	}	1477	}
913		1478
914	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
915	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1486	next unless -r $path;
917	eval {	1487
918	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	}
919	1	1551	}
920	} 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	last;
		1562	}
		1563	}
921	}	1564	};
922	}	1565	}
923		1566
924	#############################################################################	1567	#############################################################################
925		1568
		1569	=back
		1570
926	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
927		1572
928	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
929		1574
930	=cut	1575	=cut
931		1576
932	package cf::player;	1577	package cf::player;
933		1578
…		…
935		1580
936	=head3 cf::player	1581	=head3 cf::player
937		1582
938	=over 4	1583	=over 4
939		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
		1598
940	=item cf::player::find $login	1599	=item cf::player::find $login
941		1600
942	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
943		1602
944	=cut	1603	=cut
945		1604
946	sub playerdir($) {	1605	sub playerdir($) {
947	cf::localdir	1606	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1608	}
953		1609
954	sub path($) {	1610	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1612
957	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
958	}	1614	}
959		1615
960	sub find_active($) {	1616	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
965		1621
966	sub exists($) {	1622	sub exists($) {
967	my ($login) = @_;	1623	my ($login) = @_;
968		1624
969	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
971	}	1627	}
972		1628
973	sub find($) {	1629	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1631	my $login = $_[0];
976		1632
977	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
978		1634
979	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
981	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
983	}	1652	}
984	}	1653	}
985	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
986		1668
987	sub save($) {	1669	sub save($) {
988	my ($pl) = @_;	1670	my ($pl) = @_;
989		1671
990	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
996		1678
997	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
999		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1000	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1001	Coro::cede;	1688	cf::cede_to_tick;
1002	}	1689	}
1003		1690
1004	sub new($) {	1691	sub new($) {
1005	my ($login) = @_;	1692	my ($login) = @_;
1006		1693
…		…
1012	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1013		1700
1014	$self	1701	$self
1015	}	1702	}
1016		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1017	=item $pl->quit_character	1714	=item $pl->quit_character
1018		1715
1019	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1021		1718
…		…
1025	my ($pl) = @_;	1722	my ($pl) = @_;
1026		1723
1027	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1028		1725
1029	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1728
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1033	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1035	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1036		1737
1037	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1039	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1068	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1069		1770
1070	=cut	1771	=cut
1071		1772
1072	sub list_logins {	1773	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1775	or return [];
1075		1776
1076	my @logins;	1777	my @logins;
1077		1778
1078	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1082		1789
1083	utf8::decode $login;	1790	utf8::decode $login;
1084	push @logins, $login;	1791	push @logins, $login;
1085	}	1792	}
1086		1793
1087	\@logins	1794	\@logins
1088	}	1795	}
1089		1796
1090	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1091		1800
1092	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1093	player. May block.	1802	player. May block.
1094		1803
1095	=cut	1804	=cut
…		…
1113	}	1822	}
1114		1823
1115	\@paths	1824	\@paths
1116	}	1825	}
1117		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1119		1832
1120	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1121		1834
1122	=cut	1835	=cut
1123		1836
1124	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1126		1839
1127	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1841	}
1131		1842
1132	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1133		1885
1134	=back	1886	=back
1135
1136		1887
1137	=head3 cf::map	1888	=head3 cf::map
1138		1889
1139	=over 4	1890	=over 4
1140		1891
…		…
1152	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1154		1905
1155	sub generate_random_map {	1906	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1157	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1158	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1169	(cf::region::find $rmp->{region}), $rmp->{custom}
1170	)
1171	}	1912	}
1172		1913
1173	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1174		1915
1175	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1180		1921
1181	sub register {	1922	sub register {
1182	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	1924	my $pkg = caller;
1184		1925
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		1927
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	1929	}
1190		1930
1191	# also paths starting with '/'	1931	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		1933
1194	sub thawer_merge {	1934	sub thawer_merge {
1195	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1196		1936
1197	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1198	local $self->{path};	1938	local $self->{path};
1199	local $self->{load_path};	1939	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1940
1203	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1204	}	1942	}
1205		1943
1206	sub normalise {	1944	sub normalise {
1207	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1208		1946
1209	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1210		1948
1211	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1212		1950
1213	# map plan:	1951	# map plan:
1214	#	1952	#
…		…
1229	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1230	$path = "$base/$path";	1968	$path = "$base/$path";
1231	}	1969	}
1232		1970
1233	for ($path) {	1971	for ($path) {
1234	redo if s{//}{/};
1235	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1236	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1237	}	1974	}
1238		1975
1239	$path	1976	$path
…		…
1253	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1254	return $self;	1991	return $self;
1255	}	1992	}
1256	}	1993	}
1257		1994
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1259	()	1996	()
1260	}	1997	}
1261		1998
		1999	# may re-bless or do other evil things
1262	sub init {	2000	sub init {
1263	my ($self) = @_;	2001	my ($self) = @_;
1264		2002
1265	$self	2003	$self
1266	}	2004	}
…		…
1278		2016
1279	# the original (read-only) location	2017	# the original (read-only) location
1280	sub load_path {	2018	sub load_path {
1281	my ($self) = @_;	2019	my ($self) = @_;
1282		2020
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1284	}	2022	}
1285		2023
1286	# the temporary/swap location	2024	# the temporary/swap location
1287	sub save_path {	2025	sub save_path {
1288	my ($self) = @_;	2026	my ($self) = @_;
1289		2027
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1292	}	2030	}
1293		2031
1294	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1295	sub uniq_path {	2033	sub uniq_path {
1296	my ($self) = @_;	2034	my ($self) = @_;
1297		2035
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1300	}	2038	}
1301		2039
1302	# and all this just because we cannot iterate over	2040	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	2041	my ($self) = @_;
1306		2042
1307	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1309	}	2046	}
1310		2047
1311	sub unlink_save {	2048	sub unlink_save {
1312	my ($self) = @_;	2049	my ($self) = @_;
1313		2050
…		…
1318		2055
1319	sub load_header_from($) {	2056	sub load_header_from($) {
1320	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1321		2058
1322	utf8::encode $path;	2059	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1328		2068
1329	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1330		2070
1331	1	2071	1
1332	}	2072	}
…		…
1371	$self->load_header_orig	2111	$self->load_header_orig
1372	or return;	2112	or return;
1373	$self->prepare_orig;	2113	$self->prepare_orig;
1374	}	2114	}
1375		2115
		2116	$self->{deny_reset} = 1
		2117	if $self->no_reset;
		2118
		2119	$self->default_region (cf::region::find_by_path $self->{path})
		2120	unless $self->default_region;
		2121
1376	1	2122	1
1377	}	2123	}
1378		2124
1379	sub find;	2125	sub find;
1380	sub find {	2126	sub find {
1381	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1382		2128
		2129	cf::cede_to_tick;
		2130
1383	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1384		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2135
1387	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1390	or return;	2138	or return;
1391		2139
1392	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1393		2141
1394	$map->load_header	2142	$map->load_header
1395	or return;	2143	or return;
1396		2144
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1400	$map->reset;	2150	$map->reset;
1401	undef $guard;
1402	return find $path;	2151	return find $path;
1403	}	2152	}
1404		2153
1405	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1406	}	2155	}
1407	}	2156	}
1408		2157
1409	sub pre_load { }	2158	sub pre_load { }
1410	sub post_load { }	2159	#sub post_load { } # XS
1411		2160
1412	sub load {	2161	sub load {
1413	my ($self) = @_;	2162	my ($self) = @_;
1414		2163
1415	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1416		2165
1417	my $path = $self->{path};	2166	my $path = $self->{path};
		2167
		2168	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1419		2170
		2171	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2173
1422	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1423		2175
1424	$self->alloc;	2176	$self->alloc;
1425		2177
1426	$self->pre_load;	2178	$self->pre_load;
		2179	cf::cede_to_tick;
1427		2180
1428	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1429	or return;	2185	or return;
1430		2186
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1432	if delete $self->{load_original};	2188	if delete $self->{load_original};
1433		2189
1434	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2191	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2194	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1439	}	2199	}
1440	}
1441		2200
1442	Coro::cede;	2201	$f->resolve_delayed_derefs;
		2202	}
1443		2203
		2204	cf::cede_to_tick;
1444	# now do the right thing for maps	2205	# now do the right thing for maps
1445	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2208	unless $self->difficulty;
1455	Coro::cede;	2209	cf::cede_to_tick;
		2210
		2211	unless ($self->{deny_activate}) {
		2212	$self->decay_objects;
		2213	$self->fix_auto_apply;
		2214	$self->update_buttons;
		2215	cf::cede_to_tick;
1456	$self->activate;	2216	$self->activate;
		2217	}
		2218
		2219	$self->{last_save} = $cf::RUNTIME;
		2220	$self->last_access ($cf::RUNTIME);
		2221
		2222	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2223	}
1458		2224
1459	$self->post_load;	2225	$self->post_load;
1460		2226
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2227	1
1462	}	2228	}
1463		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2233	sub customise_for {
1465	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1466		2235
1467	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2237	if $self->per_player;
1469		2238
		2239	# return find "?party/" . $ob->name . "/" . $self->{path}
		2240	# if $self->per_party;
		2241
1470	$self	2242	$self
1471	}	2243	}
1472		2244
1473	# find and load all maps in the 3x3 area around a map	2245	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2246	sub load_neighbours {
1475	my ($map) = @_;	2247	my ($map) = @_;
1476		2248
1477	my @diag; # diagonal neighbours	2249	my @neigh; # diagonal neighbours
1478		2250
1479	for (0 .. 3) {	2251	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2252	my $neigh = $map->tile_path ($_)
1481	or next;	2253	or next;
1482	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1483	or next;	2255	or next;
1484	$neigh->load;	2256	$neigh->load;
1485		2257
		2258	# now find the diagonal neighbours
		2259	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2262	}
1489		2263
1490	for (@diag) {	2264	for (grep defined $_->[0], @neigh) {
		2265	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2266	my $neigh = find $path, $origin
1492	or next;	2267	or next;
1493	$neigh->load;	2268	$neigh->load;
1494	}	2269	}
1495	}	2270	}
1496		2271
1497	sub find_sync {	2272	sub find_sync {
1498	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1499		2274
1500	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1501	}	2279	}
1502		2280
1503	sub do_load_sync {	2281	sub do_load_sync {
1504	my ($map) = @_;	2282	my ($map) = @_;
1505		2283
1506	cf::sync_job { $map->load };	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2285	if $Coro::current == $Coro::main;
		2286
		2287	$map->load;
1507	}	2288	}
1508		2289
1509	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1511		2292
1512	sub find_async {	2293	sub find_async {
1513	my ($path, $origin) = @_;	2294	my ($path, $origin, $load) = @_;
1514		2295
1515	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1516		2297
1517	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2300	}
1520		2301
1521	undef $MAP_PREFETCH{$path};	2302	$MAP_PREFETCH{$path} |= $load;
		2303
1522	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1523	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2309	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2310	$map->load if $v;
		2311	}
1528		2312
1529	delete $MAP_PREFETCH{$path};	2313	delete $MAP_PREFETCH{$k};
1530	}	2314	}
1531	}	2315	}
1532	undef $MAP_PREFETCHER;	2316	undef $MAP_PREFETCHER;
1533	};	2317	};
1534	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1535		2319
1536	()	2320	()
1537	}	2321	}
1538		2322
		2323	# common code, used by both ->save and ->swapout
1539	sub save {	2324	sub _save {
1540	my ($self) = @_;	2325	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2326
1544	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1545		2328
1546	return unless $self->dirty;	2329	return unless $self->dirty;
1547		2330
…		…
1553	return if $self->{deny_save};	2336	return if $self->{deny_save};
1554		2337
1555	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
1556		2339
1557	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
1559	};	2343	};
		2344
		2345	cf::get_slot 0.02;
1560		2346
1561	if ($uniq) {	2347	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2350	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2352	}
1567	}	2353	}
1568		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
1569	sub swap_out {	2363	sub swap_out {
1570	my ($self) = @_;	2364	my ($self) = @_;
1571		2365
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
1577	return if $self->players;	2370	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
1581	$self->clear;	2381	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2382	}
1584		2383
1585	sub reset_at {	2384	sub reset_at {
1586	my ($self) = @_;	2385	my ($self) = @_;
1587		2386
1588	# TODO: safety, remove and allow resettable per-player maps	2387	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2388	return 1e99 if $self->{deny_reset};
1591		2389
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2390	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2391	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2392
…		…
1605	my ($self) = @_;	2403	my ($self) = @_;
1606		2404
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2406
1609	return if $self->players;	2407	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2408
1612	warn "resetting map ", $self->path;#d#	2409	cf::trace "resetting map ", $self->path, "\n";
1613		2410
1614	$self->in_memory (cf::MAP_SWAPPED);	2411	$self->in_memory (cf::MAP_SWAPPED);
1615		2412
1616	# need to save uniques path	2413	# need to save uniques path
1617	unless ($self->{deny_save}) {	2414	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2418	if $uniq;
1622	}	2419	}
1623		2420
1624	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
1625		2422
		2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2425	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2426
1630	$self->unlink_save;	2427	$self->unlink_save;
1631	$self->destroy;	2428	$self->destroy;
1632	}	2429	}
1633		2430
1634	my $nuke_counter = "aaaa";	2431	my $nuke_counter = "aaaa";
1635		2432
1636	sub nuke {	2433	sub nuke {
1637	my ($self) = @_;	2434	my ($self) = @_;
1638		2435
		2436	{
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
1639	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
1640		2440
1641	$self->unlink_save;	2441	$self->unlink_save;
1642		2442
1643	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2448
1649	$cf::MAP{$self->path} = $self;	2449	$cf::MAP{$self->path} = $self;
		2450	}
1650		2451
1651	$self->reset; # polite request, might not happen	2452	$self->reset; # polite request, might not happen
		2453	}
		2454
		2455	=item $maps = cf::map::tmp_maps
		2456
		2457	Returns an arrayref with all map paths of currently instantiated and saved
		2458	maps. May block.
		2459
		2460	=cut
		2461
		2462	sub tmp_maps() {
		2463	[
		2464	map {
		2465	utf8::decode $_;
		2466	/\.map$/
		2467	? normalise $_
		2468	: ()
		2469	} @{ aio_readdir $TMPDIR or [] }
		2470	]
		2471	}
		2472
		2473	=item $maps = cf::map::random_maps
		2474
		2475	Returns an arrayref with all map paths of currently instantiated and saved
		2476	random maps. May block.
		2477
		2478	=cut
		2479
		2480	sub random_maps() {
		2481	[
		2482	map {
		2483	utf8::decode $_;
		2484	/\.map$/
		2485	? normalise "?random/$_"
		2486	: ()
		2487	} @{ aio_readdir $RANDOMDIR or [] }
		2488	]
1652	}	2489	}
1653		2490
1654	=item cf::map::unique_maps	2491	=item cf::map::unique_maps
1655		2492
1656	Returns an arrayref of paths of all shared maps that have	2493	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2494	instantiated unique items. May block.
1658		2495
1659	=cut	2496	=cut
1660		2497
1661	sub unique_maps() {	2498	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2499	[
1663	or return;	2500	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2501	utf8::decode $_;
1669	next if /\.pst$/;	2502	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2504	? ()
1672	push @paths, cf::map::normalise $_;	2505	: normalise $_
		2506	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2507	]
1674
1675	\@paths
1676	}	2508	}
1677		2509
1678	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
1679		2541
1680	=back	2542	=back
1681		2543
1682	=head3 cf::object	2544	=head3 cf::object
1683		2545
…		…
1687		2549
1688	=over 4	2550	=over 4
1689		2551
1690	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
1691		2553
1692	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
1693		2556
1694	=cut	2557	=cut
1695		2558
1696	sub inv_recursive_;	2559	sub inv_recursive_;
1697	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
1700		2563
1701	sub inv_recursive {	2564	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
1703	}	2566	}
1704		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
1705	package cf;	2596	package cf;
1706		2597
1707	=back	2598	=back
1708		2599
1709	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2607	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
1718		2609
1719	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
1720		2625
1721	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2627	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
1726		2631
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2632	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2633
1729	if ($self->{record_replies}) {	2634	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2635	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2636
1731	} else {	2637	} else {
		2638	my $pl = $self->contr;
		2639
		2640	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2641	my $dialog = $pl->{npc_dialog};
		2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2643
		2644	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2647	}
1734	}	2648	}
		2649	}
		2650
		2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2652
		2653	=cut
		2654
		2655	sub cf::object::send_msg {
		2656	my $pl = shift->contr
		2657	or return;
		2658	$pl->send_msg (@_);
1735	}	2659	}
1736		2660
1737	=item $player_object->may ("access")	2661	=item $player_object->may ("access")
1738		2662
1739	Returns wether the given player is authorized to access resource "access"	2663	Returns wether the given player is authorized to access resource "access"
…		…
1752		2676
1753	=item $player_object->enter_link	2677	=item $player_object->enter_link
1754		2678
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2680
1757	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
1759		2685
1760	Will never block.	2686	Will never block.
1761		2687
1762	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
1763		2689
…		…
1783	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2710	my ($self) = @_;
1785		2711
1786	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
1787		2713
		2714	++$self->{_link_recursion};
		2715
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2717
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2719	if $self->map && $self->map->{path} ne "{link}";
1792		2720
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2722	}
1795		2723
1796	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
		2726
		2727	return unless $self->contr->active;
1798		2728
1799	my $link_pos = delete $self->{_link_pos};	2729	my $link_pos = delete $self->{_link_pos};
1800		2730
1801	unless ($map) {	2731	unless ($map) {
1802	# restore original map position	2732	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
1815		2745
1816	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
1819		2749
1820	$map->load;	2750	$map->load;
1821	$map->load_diag;	2751	$map->load_neighbours;
1822		2752
1823	return unless $self->contr->active;	2753	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2754
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
1828	}	2757	# entering was successful
1829		2758	delete $self->{_link_recursion};
1830	cf::player->attach (	2759	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2760	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2761	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2762
1844	# try to abort aborted map switching on player login :)	2763	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2764
1862	=item $player_object->goto ($path, $x, $y)	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2766
		2767	Moves the player to the given map-path and coordinates by first freezing
		2768	her, loading and preparing them map, calling the provided $check callback
		2769	that has to return the map if sucecssful, and then unfreezes the player on
		2770	the new (success) or old (failed) map position. In either case, $done will
		2771	be called at the end of this process.
		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
		2775
1864	=cut	2776	=cut
		2777
		2778	our $GOTOGEN;
1865		2779
1866	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
		2788
		2789	# do generation counting so two concurrent goto's will be executed in-order
		2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2791
1869	$self->enter_link;	2792	$self->enter_link;
1870		2793
1871	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
1872	my $map = eval {	2816	my $map = eval {
1873	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
		2818
		2819	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2820	$map = $map->customise_for ($self);
		2821	$map = $check->($map, $x, $y, $self) if $check && $map;
		2822	} else {
		2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2824	}
		2825
1875	$map	2826	$map
		2827	};
		2828
		2829	if ($@) {
		2830	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2832	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2833
		2834	if ($gen == $self->{_goto_generation}) {
		2835	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
		2837	}
		2838
		2839	$done->($self) if $done;
1880	})->prio (1);	2840	})->prio (1);
1881	}	2841	}
1882		2842
1883	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
1884		2844
…		…
1904	}	2864	}
1905		2865
1906	sub prepare_random_map {	2866	sub prepare_random_map {
1907	my ($exit) = @_;	2867	my ($exit) = @_;
1908		2868
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2871	# that depends on the exit object
1914		2872
1915	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2875	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
1922	}	2882	}
1923		2883
1924	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
1925		2885
1926	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
1929		2889
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2892	undef $fh;
1933	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
1934		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
1937	}	2901	}
1938	}	2902	}
1939		2903
1940	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
1942		2906
1943	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
1944		2908
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2909	$self->enter_link;
1955		2910
1956	(async {	2911	(async {
1957	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
1958	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
1959	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
1960		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
1961	1;	2935	1
1962	}) {	2936	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2941
1968	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2943	$self->leave_link;
1970	}	2944	}
1971	})->prio (1);	2945	})->prio (1);
1972	}	2946	}
1973		2947
…		…
1987		2961
1988	utf8::encode $text;	2962	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2964	}
1991		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
		2989	}
		2990
		2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2992
		2993	Send a drawinfo or msg packet to the client, formatting the msg for the
		2994	client if neccessary. C<$type> should be a string identifying the type of
		2995	the message, with C<log> being the default. If C<$color> is negative, suppress
		2996	the message unless the client supports the msg packet.
		2997
		2998	=cut
		2999
		3000	# non-persistent channels (usually the info channel)
		3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
		3008	"c/identify" => {
		3009	id => "infobox",
		3010	title => "Identify",
		3011	reply => undef,
		3012	tooltip => "Items recently identified",
		3013	},
		3014	"c/examine" => {
		3015	id => "infobox",
		3016	title => "Examine",
		3017	reply => undef,
		3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
		3112	);
		3113
		3114	sub cf::client::send_msg {
		3115	my ($self, $channel, $msg, $color, @extra) = @_;
		3116
		3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
		3119
		3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3121
		3122	# check predefined channels, for the benefit of C
		3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
		3129	} elsif (ref $channel) {
		3130	# send meta info to client, if not yet sent
		3131	unless (exists $self->{channel}{$channel->{id}}) {
		3132	$self->{channel}{$channel->{id}} = $channel;
		3133	$self->ext_msg (channel_info => $channel);
		3134	}
		3135
		3136	$channel = $channel->{id};
		3137	}
		3138
		3139	return unless @extra || length $msg;
		3140
		3141	# default colour, mask it out
		3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3143	if $color & cf::NDI_DEF;
		3144
		3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
		3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3148	);
		3149
		3150	$self->send_big_packet ($pkt);
		3151	}
		3152
		3153	=item $client->ext_msg ($type, @msg)
		3154
		3155	Sends an ext event to the client.
		3156
		3157	=cut
		3158
		3159	sub cf::client::ext_msg($$@) {
		3160	my ($self, $type, @msg) = @_;
		3161
		3162	if ($self->extcmd == 2) {
		3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3164	} elsif ($self->extcmd == 1) { # TODO: remove
		3165	push @msg, msgtype => "event_$type";
		3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3167	}
		3168	}
		3169
		3170	=item $client->ext_reply ($msgid, @msg)
		3171
		3172	Sends an ext reply to the client.
		3173
		3174	=cut
		3175
		3176	sub cf::client::ext_reply($$@) {
		3177	my ($self, $id, @msg) = @_;
		3178
		3179	if ($self->extcmd == 2) {
		3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3181	} elsif ($self->extcmd == 1) {
		3182	#TODO: version 1, remove
		3183	unshift @msg, msgtype => "reply", msgid => $id;
		3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3185	}
		3186	}
1992		3187
1993	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
1994		3189
1995	Queues a query to the client, calling the given callback with	3190	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3191	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3192	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3193
1999	Queries can fail, so check the return code. Or don't, as queries will become	3194	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3195	become reliable at some point in the future.
2001		3196
2002	=cut	3197	=cut
2003		3198
2004	sub cf::client::query {	3199	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3200	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3208	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3209	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3210
2016	$self->send_packet ($self->{query_queue}[0][0])	3211	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3212	if @{ $self->{query_queue} } == 1;
		3213
		3214	1
2018	}	3215	}
2019		3216
2020	cf::client->attach (	3217	cf::client->attach (
		3218	on_connect => sub {
		3219	my ($ns) = @_;
		3220
		3221	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3222	},
2021	on_reply => sub {	3223	on_reply => sub {
2022	my ($ns, $msg) = @_;	3224	my ($ns, $msg) = @_;
2023		3225
2024	# this weird shuffling is so that direct followup queries	3226	# this weird shuffling is so that direct followup queries
2025	# get handled first	3227	# get handled first
…		…
2037	} else {	3239	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3240	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3241	}
2040	}	3242	}
2041	},	3243	},
		3244	on_exticmd => sub {
		3245	my ($ns, $buf) = @_;
		3246
		3247	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3248
		3249	if (ref $msg) {
		3250	my ($type, $reply, @payload) =
		3251	"ARRAY" eq ref $msg
		3252	? @$msg
		3253	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3254
		3255	my @reply;
		3256
		3257	if (my $cb = $EXTICMD{$type}) {
		3258	@reply = $cb->($ns, @payload);
		3259	}
		3260
		3261	$ns->ext_reply ($reply, @reply)
		3262	if $reply;
		3263
		3264	} else {
		3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3266	}
		3267
		3268	cf::override;
		3269	},
2042	);	3270	);
2043		3271
2044	=item $client->async (\&cb)	3272	=item $client->async (\&cb)
2045		3273
2046	Create a new coroutine, running the specified callback. The coroutine will	3274	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3290
2063	$coro	3291	$coro
2064	}	3292	}
2065		3293
2066	cf::client->attach (	3294	cf::client->attach (
2067	on_destroy => sub {	3295	on_client_destroy => sub {
2068	my ($ns) = @_;	3296	my ($ns) = @_;
2069		3297
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3299	},
2072	);	3300	);
…		…
2087	our $safe = new Safe "safe";	3315	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2089		3317
2090	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2091		3319
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3320	$safe->permit_only (Opcode::opset qw(
		3321	:base_core :base_mem :base_orig :base_math :base_loop
		3322	grepstart grepwhile mapstart mapwhile
		3323	sort time
		3324	));
2093		3325
2094	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
2095		3327
2096	=pod	3328	=pod
2097		3329
2098	The following fucntions and emthods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2099		3331
2100	cf::object contr pay_amount pay_player map	3332	cf::object
		3333	contr pay_amount pay_player map x y force_find force_add destroy
		3334	insert remove name archname title slaying race decrease split
		3335	value
		3336
2101	cf::object::player player	3337	cf::object::player
2102	cf::player peaceful	3338	player
2103	cf::map trigger	3339
		3340	cf::player
		3341	peaceful
		3342
		3343	cf::map
		3344	trigger
2104		3345
2105	=cut	3346	=cut
2106		3347
2107	for (	3348	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3350	insert remove inv nrof name archname title slaying race
		3351	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2112	) {	3355	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3358	for @funs;
2117	}	3359	}
2118		3360
…		…
2133		3375
2134	my $qcode = $code;	3376	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2137		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2138	local $_;	3383	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3384
2141	my $eval =	3385	my $eval =
2142	"do {\n"	3386	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3389	. $code
2146	. "\n}"	3390	. "\n}"
2147	;	3391	;
2148		3392
		3393	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2152		3402
2153	if ($@) {	3403	if ($@) {
2154	warn "$@";	3404	warn "$@",
2155	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2157	}	3407	}
2158		3408
2159	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2160	}	3410	}
2161		3411
…		…
2175	=cut	3425	=cut
2176		3426
2177	sub register_script_function {	3427	sub register_script_function {
2178	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2179		3429
2180	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2182	}	3432	}
2183		3433
2184	=back	3434	=back
2185		3435
2186	=cut	3436	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3437
2260	#############################################################################	3438	#############################################################################
2261	# the server's init and main functions	3439	# the server's init and main functions
2262		3440
2263	sub load_faces {	3441	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3442	my ($path) = @_;
2265		3443
		3444	# HACK to clear player env face cache, we need some signal framework
		3445	# for this (global event?)
		3446	%ext::player_env::MUSIC_FACE_CACHE = ();
		3447
		3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3449
2266	warn "loading faces from $path\n";	3450	trace "loading facedata from $path\n";
2267		3451
2268	my $faces;	3452	my $facedata = decode_storable load_file $path;
2269	0 < aio_load $path, $faces
2270	or die "$path: $!";
2271		3453
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;
2274	Coro::cede;
2275
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3454	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3456
		3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3459	$facedata->{resource}{"res/exp_table"} = {
		3460	type => FT_RSRC,
		3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
		3463	};
		3464	cf::cede_to_tick;
		3465
		3466	{
		3467	my $faces = $facedata->{faceinfo};
		3468
2280	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3471
		3472	cf::face::set_visibility $idx, $info->{visibility};
		3473	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	Coro::cede;	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	}	3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2286		3477
		3478	cf::cede_to_tick;
		3479	}
		3480
2287	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
2289	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
		3485	or next;
		3486
		3487	if (my $smooth = cf::face::find $info->{smooth}) {
		3488	cf::face::set_smooth $idx, $smooth;
		3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3490	} else {
		3491	error "smooth face '$info->{smooth}' not found for face '$face'";
		3492	}
		3493
		3494	cf::cede_to_tick;
		3495	}
		3496	}
		3497
		3498	{
		3499	my $anims = $facedata->{animinfo};
		3500
		3501	while (my ($anim, $info) = each %$anims) {
		3502	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3503	cf::cede_to_tick;
		3504	}
		3505
		3506	cf::anim::invalidate_all; # d'oh
		3507	}
		3508
		3509	{
		3510	my $res = $facedata->{resource};
		3511
		3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
		3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3515
		3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3517	cf::face::set_type $idx, $info->{type};
		3518	} else {
		3519	$RESOURCE{$name} = $info; # unused
		3520	}
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3527
		3528	1
		3529	}
		3530
		3531	register_exticmd fx_want => sub {
		3532	my ($ns, $want) = @_;
		3533
		3534	while (my ($k, $v) = each %$want) {
		3535	$ns->fx_want ($k, $v);
		3536	}
		3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
		3548
		3549	sub reload_regions {
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	load_resource_file "$MAPDIR/regions"
		3555	or die "unable to load regions file\n";
		3556
		3557	for (cf::region::list) {
		3558	$_->{match} = qr/$_->{match}/
		3559	if exists $_->{match};
		3560	}
		3561	}
		3562
		3563	sub reload_facedata {
		3564	load_facedata "$DATADIR/facedata"
		3565	or die "unable to load facedata\n";
		3566	}
		3567
		3568	sub reload_archetypes {
		3569	load_resource_file "$DATADIR/archetypes"
		3570	or die "unable to load archetypes\n";
		3571	}
		3572
		3573	sub reload_treasures {
		3574	load_resource_file "$DATADIR/treasures"
		3575	or die "unable to load treasurelists\n";
		3576	}
		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
2290	or next;	3585	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;
2293	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}
2296	Coro::cede;
2297	}
2298		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2299	1	3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
2300	}	3596	}
2301		3597
2302	sub reload_resources {	3598	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3599	trace "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3600
		3601	reload_exp_table;
		3602	reload_materials;
2305	load_faces	3603	reload_facedata;
2306	or die "unable to load faces\n";#d#	3604	reload_sound;
2307	}	3605	reload_archetypes;
2308
2309	sub init {
2310	reload_resources;	3606	reload_regions;
2311	}	3607	reload_treasures;
2312		3608
2313	sub cfg_load {	3609	trace "finished reloading resource files\n";
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3610	}
2315	or return;
2316		3611
2317	local $/;	3612	sub reload_config {
2318	*CFG = YAML::Syck::Load <$fh>;	3613	trace "reloading config file...\n";
2319		3614
		3615	my $config = load_file "$CONFDIR/config";
		3616	utf8::decode $config;
		3617	*CFG = decode_yaml $config;
		3618
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2321		3620
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2324		3623
2325	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
2329	};	3628	};
2330	warn $@ if $@;	3629	warn $@ if $@;
2331	}	3630	}
2332	}	3631	}
2333		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
2334	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
2335	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3674	(async {
2339	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
2341	};	3678	};
2342		3679
2343	cfg_load;	3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
		3692	reload_config;
2344	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
2345	load_extensions;	3703	load_extensions;
2346		3704
2347	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
2349	}	3723	}
2350		3724
2351	#############################################################################	3725	#############################################################################
2352	# initialisation and cleanup	3726	# initialisation and cleanup
2353		3727
2354	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
2355	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
2364	},
2365	);	3734	};
		3735	}
		3736	}
		3737
		3738	sub write_runtime_sync {
		3739	my $t0 = AE::time;
		3740
		3741	# first touch the runtime file to show we are still running:
		3742	# the fsync below can take a very very long time.
		3743
		3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3745
		3746	my $guard = cf::lock_acquire "write_runtime";
		3747
		3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3749	or return;
		3750
		3751	my $value = $cf::RUNTIME + 90 + 10;
		3752	# 10 is the runtime save interval, for a monotonic clock
		3753	# 60 allows for the watchdog to kill the server.
		3754
		3755	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3756	and return;
		3757
		3758	# always fsync - this file is important
		3759	aio_fsync $fh
		3760	and return;
		3761
		3762	# touch it again to show we are up-to-date
		3763	aio_utime $fh, undef, undef;
		3764
		3765	close $fh
		3766	or return;
		3767
		3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3769	and return;
		3770
		3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3772
2366	}	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
2367	}	3824	}
2368		3825
2369	sub emergency_save() {	3826	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
2371		3828
2372	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
2373		3835
2374	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
2375	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3847	$pl->save;
2383	}	3848	}
2384	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
2385		3850
2386	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3856	$map->valid or next;
2390	$map->save;	3857	$map->save;
2391	}	3858	}
2392	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
2393		3860
2394	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
2397	};	3889	};
2398		3890
2399	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
2400	}	3892	}
2401		3893
2402	sub post_cleanup {	3894	sub post_cleanup {
2403	my ($make_core) = @_;	3895	my ($make_core) = @_;
2404		3896
		3897	IO::AIO::flush;
		3898
2405	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3900	if $make_core;
2407	}
2408		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
		3929	}
		3930
2409	sub reload() {	3931	sub do_reload_perl() {
2410	# can/must only be called in main	3932	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
2412	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
2413	return;	3935	return;
2414	}	3936	}
2415		3937
2416	warn "reloading...";	3938	return if $RELOAD++;
2417		3939
2418	warn "entering sync_job";	3940	my $t1 = AE::time;
2419		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
2420	cf::sync_job {	3948	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark
2422	cf::emergency_save;	3949	#cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark
2424		3950
2425	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;
2427
2428	# if anything goes wrong in here, we should simply crash as we already saved
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();	3953	%EXT_CORO = ();
2449		3954
2450	warn "removing commands";	3955	trace "perl_reload: removing commands";
2451	%COMMAND = ();	3956	%COMMAND = ();
2452		3957
2453	warn "removing ext commands";	3958	trace "perl_reload: removing ext/exti commands";
2454	%EXTCMD = ();	3959	%EXTCMD = ();
		3960	%EXTICMD = ();
2455		3961
2456	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
2459		3965
2460	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
2461	eval {	3967	eval {
2462	$cb->($pkg);	3968	$cb->($pkg);
2463	1	3969	1
2464	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
2465	}	3975	}
2466		3976
2467	warn "... nuking $pkg";
2468	Symbol::delete_package $pkg;
2469	}
2470
2471	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2472	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3980
2475	warn "... unloading $k";	3981	trace "... unloading $k";
2476	delete $INC{$k};	3982	delete $INC{$k};
2477		3983
2478	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
2480		3986
2481	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
2482	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
2483	}	3992	}
2484		3993
2485	Symbol::delete_package $k;
2486	}
2487
2488	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3997
2492	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
		4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		4001
2495	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
2496	# and global variables created in xs	4003	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
2498		4005
2499	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
2500		4007
2501	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
2502	require cf;	4009	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
2504		4011
2505	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
2506	cf::cfg_load;	4013	cf::reload_config;
2507		4014
2508	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
2509	cf::load_extensions;	4016	cf::load_extensions;
2510		4017
		4018	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
2514	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
2517		4026
2518	warn "loading reloadable resources";	4027	cf::_post_init 1;
2519	reload_resources;
2520		4028
2521	warn "leaving sync_job";	4029	trace "perl_reload: leaving sync_job";
2522		4030
2523	1	4031	1
2524	} or do {	4032	} or do {
2525	warn $@;	4033	error $@;
2526	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
2527	exit 1;	4035	};
		4036
		4037	--$RELOAD;
		4038	}
		4039
		4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
		4042	};
		4043
		4044	our $RELOAD_WATCHER; # used only during reload
		4045
		4046	sub reload_perl() {
		4047	# doing reload synchronously and two reloads happen back-to-back,
		4048	# coro crashes during coro_state_free->destroy here.
		4049
		4050	$RELOAD_WATCHER ||= cf::async {
		4051	Coro::AIO::aio_wait cache_extensions;
		4052
		4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4054	do_reload_perl;
		4055	undef $RELOAD_WATCHER;
		4056	};
2528	};	4057	};
2529		4058	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		4059
2535	register_command "reload" => sub {	4060	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
2537		4062
2538	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
2540		4065	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	4066	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	4067	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	4068	};
2553	}	4069	}
2554	};	4070	};
2555		4071
2556	unshift @INC, $LIBDIR;	4072	#############################################################################
2557		4073
2558	my $bug_warning = 0;	4074	my $bug_warning = 0;
2559		4075
2560	$TICK_WATCHER = Event->timer (	4076	our @WAIT_FOR_TICK;
2561	reentrant => 0,	4077	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	4078
2563	prio => 0,	4079	sub wait_for_tick() {
2564	at => $NEXT_TICK || $TICK,	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	4081
2566	cb => sub {	4082	my $signal = new Coro::Signal;
		4083	push @WAIT_FOR_TICK, $signal;
		4084	$signal->wait;
		4085	}
		4086
		4087	sub wait_for_tick_begin() {
		4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4089
		4090	my $signal = new Coro::Signal;
		4091	push @WAIT_FOR_TICK_BEGIN, $signal;
		4092	$signal->wait;
		4093	}
		4094
		4095	sub tick {
2567	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2570	return;	4099	return;
2571	}	4100	}
2572		4101
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		4103
		4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4105
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	4110	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
2584	};
2585	}	4112	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	4113	}
2599	);	4114
		4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4116	$sig->send;
		4117	}
		4118	while (my $sig = shift @WAIT_FOR_TICK) {
		4119	$sig->send;
		4120	}
		4121
		4122	$LOAD = ($NOW - $TICK_START) / $TICK;
		4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4124
		4125	if (0) {
		4126	if ($NEXT_TICK) {
		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
		4131	}
		4132	}
2600		4133
2601	{	4134	{
2602	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	4136
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
2612		4138	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	4139	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		4140
2628	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		4148
2631	cf::sync_job {	4149	cf::sync_job {
2632	eval {	4150	eval {
2633	BDB::db_env_open	4151	BDB::db_env_open
2634	$DB_ENV,	4152	$DB_ENV,
2635	$BDB_ENV_DIR,	4153	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	4156	0666;
2639		4157
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	4159	};
2645		4160
2646	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	4162	};
2648	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
2649	}	4174	}
2650		4175
2651	{	4176	{
		4177	# configure IO::AIO
		4178
2652	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	4182	}
		4183
		4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
		4186
		4187	sub _log_backtrace {
		4188	my ($msg, @addr) = @_;
		4189
		4190	$msg =~ s/\n$//;
		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4195	# limit the # of concurrent backtraces
		4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
		4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
		4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
		4203	my @bt = fork_call {
		4204	@addr = map { sprintf "%x", $_ } @addr;
		4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4207	or die "addr2line: $!";
		4208
		4209	my @funcs;
		4210	my @res = <$fh>;
		4211	chomp for @res;
		4212	while (@res) {
		4213	my ($func, $line) = splice @res, 0, 2, ();
		4214	push @funcs, "[$func] $line";
		4215	}
		4216
		4217	@funcs
		4218	};
		4219
		4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4222	LOG llevInfo, "[ABT] $_\n" for @bt;
		4223	--$_log_backtrace;
		4224	};
		4225	} else {
		4226	LOG llevInfo, "[ABT] $msg\n";
		4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4228	}
		4229	}
		4230
		4231	# load additional modules
		4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
2665		4234
2666	END { cf::emergency_save }	4235	END { cf::emergency_save }
2667		4236
2668	1	4237	1
2669		4238

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