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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.248 by root, Tue Apr 17 18:40:32 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.61 ();	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;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	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;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98
		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;
58		120
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	123	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
69		132
70	our %CFG;	133	our %CFG;
71		134
72	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
74		138
75	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		142
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $REALLY_UNLOOP; # never set to true, please :)
		155
84	binmode STDOUT;	156	binmode STDOUT;
85	binmode STDERR;	157	binmode STDERR;
86		158
87	# read virtual server time, if available	159	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
92	}	164	}
93		165
94	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	167
96	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		170
101	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
102		172
103	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::"} };
104		189
105	#############################################################################	190	#############################################################################
106		191
107	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
108		193
…		…
115	=item $cf::RUNTIME	200	=item $cf::RUNTIME
116		201
117	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
118	every server tick.	203	every server tick.
119		204
120	=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
121		208
122	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		213
125	=item $cf::NOW	214	=item $cf::NOW
126		215
127	The time of the last (current) server tick.	216	The time of the last (current) server tick.
128		217
129	=item $cf::TICK	218	=item $cf::TICK
130		219
131	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	232	=item %cf::CFG
134		233
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	235	from wherever your confdir points to.
137		236
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		238
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		259
144	=back	260	=back
145		261
146	=cut	262	=cut
147		263
148	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
149	*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 {
150	my $msg = join "", @_;	271	my $msg = join "", @_;
151	utf8::encode $msg;
152		272
153	$msg .= "\n"	273	$msg .= "\n"
154	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
155		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
156	LOG llevError, $msg;	278	LOG llevWarn, $msg;
157	};	279	};
158	}	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	};
159		294
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		302
167	# 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
168	# within the Safe compartment.	304	# within the Safe compartment.
169	for my $pkg (qw(	305	for my $pkg (qw(
170	cf::global cf::attachable	306	cf::global cf::attachable
171	cf::object cf::object::player	307	cf::object cf::object::player
172	cf::client cf::player	308	cf::client cf::player
173	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
174	cf::map cf::party cf::region	311	cf::party cf::region
175	)) {	312	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	314	}
179		315
180	$Event::DIED = sub {	316	$EV::DIED = sub {
181	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
182	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
183		326
184	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
185		328
186	=over 4	329	=over 4
187		330
…		…
206	$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;
207	$d	350	$d
208	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
209	}	352	}
210		353
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
212		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
213	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
214		369
215	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
216		371
217	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
218		373
219	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
220		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
221	=item cf::lock_wait $string	445	=item cf::lock_wait $string
222		446
223	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
224		448
225	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
226		450
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
230	returned.	454	returned.
231		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
232	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
233	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
234		461
235	=cut	462	=item $locked = cf::lock_active $string
236		463
237	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;
238		469
239	sub lock_wait($) {	470	sub lock_wait($) {
240	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	472	}
248		473
249	sub lock_acquire($) {	474	sub lock_acquire($) {
250	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
251		477
252	# wait, to be sure we are not locked	478	sub lock_active($) {
253	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	480	}
262		481
263	sub freeze_mainloop {	482	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
265		484
266	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
267	$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	}
268	};	556	}
269	$TICK_WATCHER->stop;	557	};
270	$guard	558
		559	sub get_slot($;$$) {
		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;
271	}	572	}
272		573
273	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
274		575
275	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		581
281	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
282		583
283	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
284		585
285	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
286	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
287	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.
288		590
289	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
290	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
291	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
292	fast or be very important.	594	fast or be very important.
…		…
294	=cut	596	=cut
295		597
296	sub sync_job(&) {	598	sub sync_job(&) {
297	my ($job) = @_;	599	my ($job) = @_;
298		600
299	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
300	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
302		606
303	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	608
305	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
306		610
307	my $busy = 1;	611	my $busy = 1;
308	my @res;	612	my @res;
309		613
310	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	616	@res = eval { $job->() };
312	warn $@ if $@;	617	error $@ if $@;
313	undef $busy;	618	undef $busy;
314	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
315		620
316	while ($busy) {	621	while ($busy) {
317	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
318	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
319		632
320	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
321	} else {	634	} else {
322	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
323		636
…		…
343	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
344		657
345	$coro	658	$coro
346	}	659	}
347		660
348	sub write_runtime {	661	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		662
351	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.
352		667
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
354	or return;
355		669
356	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
358	# 60 allows for the watchdog to kill the server.	672	}
359		673
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
361	and return;	675	my ($cb, @args) = @_;
362		676
363	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
365	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
366		680
367	close $fh	681	my @res = Coro::Util::fork_eval {
368	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
369		685
370	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
371	and return;	687	}
372		688
		689	sub objinfo {
373	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"
374	}	853	}
375		854
376	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
377		856
378	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
379		858
380	=cut	859	=cut
381		860
382	sub datalog($@) {	861	sub datalog($@) {
383	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	864	}
386		865
387	=back	866	=back
388		867
389	=cut	868	=cut
390		869
391	#############################################################################	870	#############################################################################
392		871
393	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
394		873
395	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
396	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")
397	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
398		877
399	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>
400	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
401	crossfire+).	880	Deliantra).
402		881
403	=over 4	882	=over 4
404		883
405	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
406		885
…		…
450	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
451		930
452	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
453	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
454		933
455	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
457		936
458	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
459		938
460	=over 4	939	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
570		1049
571	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1054
576	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
578		1057
579	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
584		1063
585	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1066
588	} elsif (ref $type) {	1067	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
590		1069
591	} else {	1070	} else {
592	shift @arg;	1071	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
594	}	1073	}
595	}	1074	}
596	}	1075	}
597		1076
598	sub _object_attach {	1077	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
609	}	1088	}
610		1089
611	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
612	} else {	1091	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1093	}
615		1094
616	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
617	}	1096	}
618		1097
…		…
620	if (ref $_[0]) {	1099	if (ref $_[0]) {
621	_object_attach @_;	1100	_object_attach @_;
622	} else {	1101	} else {
623	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
624	}	1103	}
		1104	_recalc_want;
625	};	1105	};
626		1106
627	# all those should be optimised	1107	# all those should be optimised
628	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1113	reattach ($obj);
634	} else {	1114	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
636	}	1116	}
		1117	_recalc_want;
637	};	1118	};
638		1119
639	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
641		1122
…		…
656	";	1137	";
657	die if $@;	1138	die if $@;
658	}	1139	}
659		1140
660	our $override;	1141	our $override;
661	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?
662		1143
663	sub override {	1144	sub override {
664	$override = 1;	1145	$override = 1;
665	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
666	}	1147	}
667		1148
668	sub do_invoke {	1149	sub do_invoke {
669	my $event = shift;	1150	my $event = shift;
670	my $callbacks = shift;	1151	my $callbacks = shift;
671		1152
672	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
673		1154
674	local $override;	1155	local $override;
675		1156
676	for (@$callbacks) {	1157	for (@$callbacks) {
677	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
678		1159
679	if ($@) {	1160	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1162	override;
683	}	1163	}
684		1164
685	return 1 if $override;	1165	return 1 if $override;
686	}	1166	}
687		1167
688	0	1168	0
689	}	1169	}
690		1170
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1172
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1174
695	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
696		1176
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1180
701	=back	1181	=back
702		1182
703	=cut	1183	=cut
704		1184
705	#############################################################################	1185	#############################################################################
706	# 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	}
707		1229
708	sub reattach {	1230	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1232	my ($obj) = @_;
711		1233
		1234	# no longer needed after getting rid of delete_package?
712	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
713		1236
714	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
715		1238
716	@$registry = ();	1239	@$registry = ();
717		1240
…		…
722	for (@$attach) {	1245	for (@$attach) {
723	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
725	}	1248	}
726	} else {	1249	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1251	}
729	}	1252	}
730	}	1253	}
731		1254
732	cf::attachable->attach (	1255	cf::attachable->attach (
733	prio => -1000000,	1256	prio => -1000000,
734	on_instantiate => sub {	1257	on_instantiate => sub {
735	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
736		1259
737	$data = from_json $data;	1260	$data = decode_json $data;
738		1261
739	for (@$data) {	1262	for (@$data) {
740	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
741		1264
742	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1281	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
760		1283
761	sync_job {	1284	sync_job {
762	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
765		1290
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1298	aio_close $fh;
771		1299
772	if (@$objs) {	1300	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1309	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
780	}	1311	}
781	} else {	1312	} else {
782	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
783	}	1314	}
784		1315
785	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1320	} else {
787	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
788	}	1322	}
789	} else {	1323	} else {
790	aio_unlink $filename;	1324	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
792	}	1326	}
793	}	1327	};
794	}	1328	}
795		1329
796	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
798		1332
…		…
810	or return;	1344	or return;
811		1345
812	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
814	or return;	1348	or return;
		1349
815	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
816	}	1352	}
817		1353
		1354	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
820	return ($data, $av);	1359	($data, $av)
821	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
822		1367
823	#############################################################################	1368	#############################################################################
824	# command handling &c	1369	# command handling &c
825		1370
826	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1385	}
841		1386
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1388
844	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.
845		1394
846	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
847	called.	1396	called.
848		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
849	=cut	1409	=cut
850		1410
851	sub register_extcmd {	1411	sub register_extcmd {
852	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
853		1413
854	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
855	}	1415	}
856		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
857	cf::player->attach (	1425	cf::player->attach (
858	on_command => sub {	1426	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
860		1428
861	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
862	or return;	1430	or return;
863		1431
…		…
868	cf::override;	1436	cf::override;
869	},	1437	},
870	on_extcmd => sub {	1438	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
872		1440
873	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1442
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
881	} else {	1458	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1460	}
884		1461
885	cf::override;	1462	cf::override;
886	},	1463	},
887	);	1464	);
888		1465
		1466	# "readahead" all extensions
889	sub load_extension {	1467	sub cache_extensions {
890	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
891		1469
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1473	}
917	die $@;
918	}	1474	};
919		1475
920	push @EXTS, $pkg;	1476	$grp
921	}	1477	}
922		1478
923	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
924	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1486	next unless -r $path;
926	eval {	1487
927	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	}
928	1	1551	}
929	} 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	}
930	}	1562	};
931	}	1563	}
932		1564
933	#############################################################################	1565	#############################################################################
934		1566
		1567	=back
		1568
935	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
936		1570
937	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
938		1572
939	=cut	1573	=cut
940		1574
941	package cf::player;	1575	package cf::player;
942		1576
…		…
944		1578
945	=head3 cf::player	1579	=head3 cf::player
946		1580
947	=over 4	1581	=over 4
948		1582
		1583	=item cf::player::num_playing
		1584
		1585	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1586
		1587	=cut
		1588
		1589	sub num_playing {
		1590	scalar grep
		1591	$_->ob->map
		1592	&& !$_->hidden
		1593	&& !$_->ob->flag (cf::FLAG_WIZ),
		1594	cf::player::list
		1595	}
		1596
949	=item cf::player::find $login	1597	=item cf::player::find $login
950		1598
951	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
952		1600
953	=cut	1601	=cut
954		1602
955	sub playerdir($) {	1603	sub playerdir($) {
956	cf::localdir	1604	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1605	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1606	}
962		1607
963	sub path($) {	1608	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1609	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1619
975	sub exists($) {	1620	sub exists($) {
976	my ($login) = @_;	1621	my ($login) = @_;
977		1622
978	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
980	}	1625	}
981		1626
982	sub find($) {	1627	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1629	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1639	aio_unlink +(playerdir $login) . "/$login.pl";
995		1640
996	my $pl = load_pl path $login	1641	my $f = new_from_file cf::object::thawer path $login
997	or return;	1642	or return;
		1643
		1644	my $pl = cf::player::load_pl $f
		1645	or return;
		1646
		1647	local $cf::PLAYER_LOADING{$login} = $pl;
		1648	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
999	}	1650	}
1000	}	1651	}
1001	}	1652	}
		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
1002		1666
1003	sub save($) {	1667	sub save($) {
1004	my ($pl) = @_;	1668	my ($pl) = @_;
1005		1669
1006	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1012		1676
1013	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1015		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1684
1016	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1017	Coro::cede;	1686	cf::cede_to_tick;
1018	}	1687	}
1019		1688
1020	sub new($) {	1689	sub new($) {
1021	my ($login) = @_;	1690	my ($login) = @_;
1022		1691
…		…
1028	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1029		1698
1030	$self	1699	$self
1031	}	1700	}
1032		1701
		1702	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1703
		1704	=cut
		1705
		1706	sub send_msg {
		1707	my $ns = shift->ns
		1708	or return;
		1709	$ns->send_msg (@_);
		1710	}
		1711
1033	=item $pl->quit_character	1712	=item $pl->quit_character
1034		1713
1035	Nukes the player without looking back. If logged in, the connection will	1714	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1037		1716
…		…
1041	my ($pl) = @_;	1720	my ($pl) = @_;
1042		1721
1043	my $name = $pl->ob->name;	1722	my $name = $pl->ob->name;
1044		1723
1045	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1726
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1051	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1052		1735
1053	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1767	while and may block, so not sync_job-capable, ever.
1085		1768
1086	=cut	1769	=cut
1087		1770
1088	sub list_logins {	1771	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1772	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1773	or return [];
1091		1774
1092	my @logins;	1775	my @logins;
1093		1776
1094	for my $login (@$dirs) {	1777	for my $login (@$dirs) {
		1778	my $path = path $login;
		1779
		1780	# a .pst is a dead give-away for a valid player
		1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1098		1787
1099	utf8::decode $login;	1788	utf8::decode $login;
1100	push @logins, $login;	1789	push @logins, $login;
1101	}	1790	}
1102		1791
1103	\@logins	1792	\@logins
1104	}	1793	}
1105		1794
1106	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1107		1798
1108	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1109	player. May block.	1800	player. May block.
1110		1801
1111	=cut	1802	=cut
…		…
1129	}	1820	}
1130		1821
1131	\@paths	1822	\@paths
1132	}	1823	}
1133		1824
		1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1826
		1827	Expand deliantra pod fragments into protocol xml.
		1828
1134	=item $player->ext_reply ($msgid, %msg)	1829	=item $player->ext_reply ($msgid, @msg)
1135		1830
1136	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1137		1832
1138	=cut	1833	=cut
1139		1834
1140	sub ext_reply($$%) {	1835	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1142		1837
1143	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1839	}
1147		1840
1148	=item $player->ext_event ($type, %msg)	1841	=item $player->ext_msg ($type, @msg)
1149		1842
1150	Sends an ext event to the client.	1843	Sends an ext event to the client.
1151		1844
1152	=cut	1845	=cut
1153		1846
1154	sub ext_event($$%) {	1847	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1848	my ($self, $type, @msg) = @_;
1156		1849
1157	$self->ns->ext_event ($type, %msg);	1850	$self->ns->ext_msg ($type, @msg);
1158	}	1851	}
1159		1852
1160	=head3 cf::region	1853	=head3 cf::region
1161		1854
1162	=over 4	1855	=over 4
…		…
1165		1858
1166	package cf::region;	1859	package cf::region;
1167		1860
1168	=item cf::region::find_by_path $path	1861	=item cf::region::find_by_path $path
1169		1862
1170	Tries to decuce the probable region for a map knowing only its path.	1863	Tries to decuce the likely region for a map knowing only its path.
1171		1864
1172	=cut	1865	=cut
1173		1866
1174	sub find_by_path($) {	1867	sub find_by_path($) {
1175	my ($path) = @_;	1868	my ($path) = @_;
1176		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
		1871
1177	my ($match, $specificity);	1872	my ($match, $specificity);
1178		1873
1179	for my $region (list) {	1874	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1875	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1876	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1877	if $region->specificity > $specificity;
1183	}	1878	}
1184	}	1879	}
1185		1880
…		…
1206	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1208		1903
1209	sub generate_random_map {	1904	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1212	$self->_create_random_map (	1909	$self->_create_random_map ($rmp);
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1224	)
1225	}	1910	}
1226		1911
1227	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1228		1913
1229	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1234		1919
1235	sub register {	1920	sub register {
1236	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1922	my $pkg = caller;
1238		1923
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1925
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1927	}
1244		1928
1245	# also paths starting with '/'	1929	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1931
1248	sub thawer_merge {	1932	sub thawer_merge {
1249	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1250		1934
1251	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
1252	local $self->{path};	1936	local $self->{path};
1253	local $self->{load_path};	1937	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1938
1257	$self->SUPER::thawer_merge ($merge);	1939	$self->SUPER::thawer_merge ($merge);
1258	}	1940	}
1259		1941
1260	sub normalise {	1942	sub normalise {
1261	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1262		1944
1263	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1264		1946
1265	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1266		1948
1267	# map plan:	1949	# map plan:
1268	#	1950	#
…		…
1283	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	1966	$path = "$base/$path";
1285	}	1967	}
1286		1968
1287	for ($path) {	1969	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1291	}	1972	}
1292		1973
1293	$path	1974	$path
…		…
1307	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1308	return $self;	1989	return $self;
1309	}	1990	}
1310	}	1991	}
1311		1992
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	1994	()
1314	}	1995	}
1315		1996
1316	sub init {	1997	sub init {
1317	my ($self) = @_;	1998	my ($self) = @_;
…		…
1332		2013
1333	# the original (read-only) location	2014	# the original (read-only) location
1334	sub load_path {	2015	sub load_path {
1335	my ($self) = @_;	2016	my ($self) = @_;
1336		2017
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2018	"$MAPDIR/$self->{path}.map"
1338	}	2019	}
1339		2020
1340	# the temporary/swap location	2021	# the temporary/swap location
1341	sub save_path {	2022	sub save_path {
1342	my ($self) = @_;	2023	my ($self) = @_;
1343		2024
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2026	"$TMPDIR/$path.map"
1346	}	2027	}
1347		2028
1348	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1349	sub uniq_path {	2030	sub uniq_path {
1350	my ($self) = @_;	2031	my ($self) = @_;
1351		2032
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2034	"$UNIQUEDIR/$path"
1354	}	2035	}
1355		2036
1356	# and all this just because we cannot iterate over	2037	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	2038	my ($self) = @_;
1360		2039
1361	$_->change_map_light ($change)	2040	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2041
		2042	$self->do_decay_objects;
1363	}	2043	}
1364		2044
1365	sub unlink_save {	2045	sub unlink_save {
1366	my ($self) = @_;	2046	my ($self) = @_;
1367		2047
…		…
1372		2052
1373	sub load_header_from($) {	2053	sub load_header_from($) {
1374	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1375		2055
1376	utf8::encode $path;	2056	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2058	or return;
		2059
		2060	$self->_load_header ($f)
		2061	or return;
		2062
		2063	local $MAP_LOADING{$self->{path}} = $self;
		2064	$f->resolve_delayed_derefs;
1382		2065
1383	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1384		2067
1385	1	2068	1
1386	}	2069	}
…		…
1425	$self->load_header_orig	2108	$self->load_header_orig
1426	or return;	2109	or return;
1427	$self->prepare_orig;	2110	$self->prepare_orig;
1428	}	2111	}
1429		2112
		2113	$self->{deny_reset} = 1
		2114	if $self->no_reset;
		2115
1430	$self->default_region (cf::region::find_by_path $self->{path})	2116	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2117	unless $self->default_region;
1432		2118
1433	1	2119	1
1434	}	2120	}
1435		2121
1436	sub find;	2122	sub find;
1437	sub find {	2123	sub find {
1438	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1439		2125
		2126	cf::cede_to_tick;
		2127
1440	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1441		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2132
1444	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1447	or return;	2135	or return;
1448		2136
1449	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1450		2138
1451	$map->load_header	2139	$map->load_header
1452	or return;	2140	or return;
1453		2141
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1457	$map->reset;	2147	$map->reset;
1458	undef $guard;
1459	return find $path;	2148	return find $path;
1460	}	2149	}
1461		2150
1462	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1463	}	2152	}
1464	}	2153	}
1465		2154
1466	sub pre_load { }	2155	sub pre_load { }
1467	sub post_load { }	2156	#sub post_load { } # XS
1468		2157
1469	sub load {	2158	sub load {
1470	my ($self) = @_;	2159	my ($self) = @_;
1471		2160
1472	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
1473		2162
1474	my $path = $self->{path};	2163	my $path = $self->{path};
		2164
		2165	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1476		2167
		2168	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2170
1479	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1480		2172
1481	$self->alloc;	2173	$self->alloc;
1482		2174
1483	$self->pre_load;	2175	$self->pre_load;
1484	Coro::cede;	2176	cf::cede_to_tick;
1485		2177
1486	$self->_load_objects ($self->{load_path}, 1)	2178	my $f = new_from_file cf::object::thawer $self->{load_path};
		2179	$f->skip_block;
		2180	$self->_load_objects ($f)
1487	or return;	2181	or return;
1488		2182
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1490	if delete $self->{load_original};	2184	if delete $self->{load_original};
1491		2185
1492	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2187	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2190	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1497	}	2194	}
1498	}	2195	}
1499		2196
1500	Coro::cede;	2197	$f->resolve_delayed_derefs;
		2198
		2199	cf::cede_to_tick;
1501	# now do the right thing for maps	2200	# now do the right thing for maps
1502	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2202	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2203	unless $self->difficulty;
1513	Coro::cede;	2204	cf::cede_to_tick;
		2205
		2206	unless ($self->{deny_activate}) {
		2207	$self->decay_objects;
		2208	$self->fix_auto_apply;
		2209	$self->update_buttons;
		2210	cf::cede_to_tick;
1514	$self->activate;	2211	$self->activate;
1515	Coro::cede;	2212	}
		2213
		2214	$self->{last_save} = $cf::RUNTIME;
		2215	$self->last_access ($cf::RUNTIME);
		2216
		2217	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2218	}
1517		2219
1518	$self->post_load;	2220	$self->post_load;
1519	Coro::cede;
1520		2221
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2222	1
1522	}	2223	}
1523		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2228	sub customise_for {
1525	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1526		2230
1527	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2232	if $self->per_player;
1529		2233
		2234	# return find "?party/" . $ob->name . "/" . $self->{path}
		2235	# if $self->per_party;
		2236
1530	$self	2237	$self
1531	}	2238	}
1532		2239
1533	# find and load all maps in the 3x3 area around a map	2240	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2241	sub load_neighbours {
1535	my ($map) = @_;	2242	my ($map) = @_;
1536		2243
1537	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1538		2245
1539	for (0 .. 3) {	2246	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1541	or next;	2248	or next;
1542	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1543	or next;	2250	or next;
1544	$neigh->load;	2251	$neigh->load;
1545		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2257	}
1549		2258
1550	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1552	or next;	2262	or next;
1553	$neigh->load;	2263	$neigh->load;
1554	}	2264	}
1555	}	2265	}
1556		2266
1557	sub find_sync {	2267	sub find_sync {
1558	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1559		2269
1560	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
1561	}	2274	}
1562		2275
1563	sub do_load_sync {	2276	sub do_load_sync {
1564	my ($map) = @_;	2277	my ($map) = @_;
1565		2278
1566	cf::sync_job { $map->load };	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2280	if $Coro::current == $Coro::main;
		2281
		2282	$map->load;
1567	}	2283	}
1568		2284
1569	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1571		2287
1572	sub find_async {	2288	sub find_async {
1573	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1574		2290
1575	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1576		2292
1577	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2295	}
1580		2296
1581	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1582	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1583	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2304	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2305	$map->load if $v;
		2306	}
1588		2307
1589	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1590	}	2309	}
1591	}	2310	}
1592	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1593	};	2312	};
1594	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1595		2314
1596	()	2315	()
1597	}	2316	}
1598		2317
		2318	# common code, used by both ->save and ->swapout
1599	sub save {	2319	sub _save {
1600	my ($self) = @_;	2320	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2321
1604	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1605		2323
1606	return unless $self->dirty;	2324	return unless $self->dirty;
1607		2325
…		…
1613	return if $self->{deny_save};	2331	return if $self->{deny_save};
1614		2332
1615	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1616		2334
1617	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1619	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1620		2341
1621	if ($uniq) {	2342	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2345	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2347	}
1627	}	2348	}
1628		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1629	sub swap_out {	2358	sub swap_out {
1630	my ($self) = @_;	2359	my ($self) = @_;
1631		2360
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1637	return if $self->players;	2365	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
		2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
1641	$self->clear;	2376	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2377	}
1644		2378
1645	sub reset_at {	2379	sub reset_at {
1646	my ($self) = @_;	2380	my ($self) = @_;
1647		2381
1648	# TODO: safety, remove and allow resettable per-player maps	2382	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2383	return 1e99 if $self->{deny_reset};
1651		2384
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2386	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2387
…		…
1665	my ($self) = @_;	2398	my ($self) = @_;
1666		2399
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2401
1669	return if $self->players;	2402	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2403
1672	warn "resetting map ", $self->path;#d#	2404	cf::trace "resetting map ", $self->path, "\n";
1673		2405
1674	$self->in_memory (cf::MAP_SWAPPED);	2406	$self->in_memory (cf::MAP_SWAPPED);
1675		2407
1676	# need to save uniques path	2408	# need to save uniques path
1677	unless ($self->{deny_save}) {	2409	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2413	if $uniq;
1682	}	2414	}
1683		2415
1684	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
1685		2417
		2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2420	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2421
1690	$self->unlink_save;	2422	$self->unlink_save;
1691	$self->destroy;	2423	$self->destroy;
1692	}	2424	}
1693		2425
1694	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
1695		2427
1696	sub nuke {	2428	sub nuke {
1697	my ($self) = @_;	2429	my ($self) = @_;
1698		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
1699	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
1700		2435
1701	$self->unlink_save;	2436	$self->unlink_save;
1702		2437
1703	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2443
1709	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
1710		2446
1711	$self->reset; # polite request, might not happen	2447	$self->reset; # polite request, might not happen
		2448	}
		2449
		2450	=item $maps = cf::map::tmp_maps
		2451
		2452	Returns an arrayref with all map paths of currently instantiated and saved
		2453	maps. May block.
		2454
		2455	=cut
		2456
		2457	sub tmp_maps() {
		2458	[
		2459	map {
		2460	utf8::decode $_;
		2461	/\.map$/
		2462	? normalise $_
		2463	: ()
		2464	} @{ aio_readdir $TMPDIR or [] }
		2465	]
		2466	}
		2467
		2468	=item $maps = cf::map::random_maps
		2469
		2470	Returns an arrayref with all map paths of currently instantiated and saved
		2471	random maps. May block.
		2472
		2473	=cut
		2474
		2475	sub random_maps() {
		2476	[
		2477	map {
		2478	utf8::decode $_;
		2479	/\.map$/
		2480	? normalise "?random/$_"
		2481	: ()
		2482	} @{ aio_readdir $RANDOMDIR or [] }
		2483	]
1712	}	2484	}
1713		2485
1714	=item cf::map::unique_maps	2486	=item cf::map::unique_maps
1715		2487
1716	Returns an arrayref of paths of all shared maps that have	2488	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2489	instantiated unique items. May block.
1718		2490
1719	=cut	2491	=cut
1720		2492
1721	sub unique_maps() {	2493	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2494	[
1723	or return;	2495	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2496	utf8::decode $_;
1729	next if /\.pst$/;	2497	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2499	? ()
1732	push @paths, cf::map::normalise $_;	2500	: normalise $_
		2501	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2502	]
1734
1735	\@paths
1736	}	2503	}
1737		2504
1738	package cf;	2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
1739		2536
1740	=back	2537	=back
1741		2538
1742	=head3 cf::object	2539	=head3 cf::object
1743		2540
…		…
1747		2544
1748	=over 4	2545	=over 4
1749		2546
1750	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
1751		2548
1752	Returns the inventory of the object _and_ their inventories, recursively.	2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
1753		2551
1754	=cut	2552	=cut
1755		2553
1756	sub inv_recursive_;	2554	sub inv_recursive_;
1757	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
1760		2558
1761	sub inv_recursive {	2559	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
1763	}	2561	}
1764		2562
		2563	=item $ref = $ob->ref
		2564
		2565	Creates and returns a persistent reference to an object that can be stored as a string.
		2566
		2567	=item $ob = cf::object::deref ($refstring)
		2568
		2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2570	even if the object actually exists. May block.
		2571
		2572	=cut
		2573
		2574	sub deref {
		2575	my ($ref) = @_;
		2576
		2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2578	my ($uuid, $name) = ($1, $2);
		2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2580	or return;
		2581	$pl->ob->uuid eq $uuid
		2582	or return;
		2583
		2584	$pl->ob
		2585	} else {
		2586	warn "$ref: cannot resolve object reference\n";
		2587	undef
		2588	}
		2589	}
		2590
1765	package cf;	2591	package cf;
1766		2592
1767	=back	2593	=back
1768		2594
1769	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2601	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2602	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
1778		2604
1779	=cut	2605	=cut
		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
1780		2620
1781	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2622	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
1786		2626
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2627	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2628
1789	if ($self->{record_replies}) {	2629	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2630	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2631
1791	} else {	2632	} else {
		2633	my $pl = $self->contr;
		2634
		2635	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2636	my $dialog = $pl->{npc_dialog};
		2637	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2638
		2639	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2642	}
1794	}	2643	}
		2644	}
		2645
		2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2647
		2648	=cut
		2649
		2650	sub cf::object::send_msg {
		2651	my $pl = shift->contr
		2652	or return;
		2653	$pl->send_msg (@_);
1795	}	2654	}
1796		2655
1797	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
1798		2657
1799	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
1812		2671
1813	=item $player_object->enter_link	2672	=item $player_object->enter_link
1814		2673
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2675
1817	The player should be reasonably safe there for short amounts of time. You	2676	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
1819		2680
1820	Will never block.	2681	Will never block.
1821		2682
1822	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
1823		2684
…		…
1843	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2705	my ($self) = @_;
1845		2706
1846	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
1847		2708
		2709	++$self->{_link_recursion};
		2710
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2712
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2714	if $self->map && $self->map->{path} ne "{link}";
1852		2715
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2717	}
1855		2718
1856	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
		2721
		2722	return unless $self->contr->active;
1858		2723
1859	my $link_pos = delete $self->{_link_pos};	2724	my $link_pos = delete $self->{_link_pos};
1860		2725
1861	unless ($map) {	2726	unless ($map) {
1862	# restore original map position	2727	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
1875		2740
1876	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
1879		2744
1880	$map->load;	2745	$map->load;
1881	$map->load_diag;	2746	$map->load_neighbours;
1882		2747
1883	return unless $self->contr->active;	2748	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2749
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2751	if ($self->enter_map ($map, $x, $y)) {
1888	}	2752	# entering was successful
1889		2753	delete $self->{_link_recursion};
1890	cf::player->attach (	2754	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2755	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2756	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2757
1904	# try to abort aborted map switching on player login :)	2758	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2759
1922	=item $player_object->goto ($path, $x, $y)	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2761
		2762	Moves the player to the given map-path and coordinates by first freezing
		2763	her, loading and preparing them map, calling the provided $check callback
		2764	that has to return the map if sucecssful, and then unfreezes the player on
		2765	the new (success) or old (failed) map position. In either case, $done will
		2766	be called at the end of this process.
		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
		2770
1924	=cut	2771	=cut
		2772
		2773	our $GOTOGEN;
1925		2774
1926	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
		2783
		2784	# do generation counting so two concurrent goto's will be executed in-order
		2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2786
1929	$self->enter_link;	2787	$self->enter_link;
1930		2788
1931	(async {	2789	(async {
		2790	$Coro::current->{desc} = "player::goto $path $x $y";
		2791
		2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
1932	my $map = eval {	2811	my $map = eval {
1933	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
		2813
		2814	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2815	$map = $map->customise_for ($self);
		2816	$map = $check->($map, $x, $y, $self) if $check && $map;
		2817	} else {
		2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2819	}
		2820
1935	$map	2821	$map
		2822	};
		2823
		2824	if ($@) {
		2825	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2826	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2827	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2828
		2829	if ($gen == $self->{_goto_generation}) {
		2830	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
		2832	}
		2833
		2834	$done->($self) if $done;
1940	})->prio (1);	2835	})->prio (1);
1941	}	2836	}
1942		2837
1943	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
1944		2839
…		…
1964	}	2859	}
1965		2860
1966	sub prepare_random_map {	2861	sub prepare_random_map {
1967	my ($exit) = @_;	2862	my ($exit) = @_;
1968		2863
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2866	# that depends on the exit object
1974		2867
1975	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2870	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
1982	}	2877	}
1983		2878
1984	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
1985		2880
1986	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
1989		2884
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2887	undef $fh;
1993	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
1994		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
1997	}	2896	}
1998	}	2897	}
1999		2898
2000	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
2002		2901
2003	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
2004		2903
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2904	$self->enter_link;
2017		2905
2018	(async {	2906	(async {
2019	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
2020	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
		2916	prepare_random_map $exit
		2917	if $exit->slaying eq "/!";
		2918	}
		2919
		2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
		2923
2021	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
2022		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
2023	1;	2930	1
2024	}) {	2931	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2936
2030	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2938	$self->leave_link;
2032	}	2939	}
2033	})->prio (1);	2940	})->prio (1);
2034	}	2941	}
2035		2942
…		…
2049		2956
2050	utf8::encode $text;	2957	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2959	}
2053		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
		2984	}
		2985
		2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2987
		2988	Send a drawinfo or msg packet to the client, formatting the msg for the
		2989	client if neccessary. C<$type> should be a string identifying the type of
		2990	the message, with C<log> being the default. If C<$color> is negative, suppress
		2991	the message unless the client supports the msg packet.
		2992
		2993	=cut
		2994
		2995	# non-persistent channels (usually the info channel)
		2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
		3003	"c/identify" => {
		3004	id => "infobox",
		3005	title => "Identify",
		3006	reply => undef,
		3007	tooltip => "Items recently identified",
		3008	},
		3009	"c/examine" => {
		3010	id => "infobox",
		3011	title => "Examine",
		3012	reply => undef,
		3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
		3107	);
		3108
		3109	sub cf::client::send_msg {
		3110	my ($self, $channel, $msg, $color, @extra) = @_;
		3111
		3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
		3114
		3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3116
		3117	# check predefined channels, for the benefit of C
		3118	if ($CHANNEL{$channel}) {
		3119	$channel = $CHANNEL{$channel};
		3120
		3121	$self->ext_msg (channel_info => $channel);
		3122	$channel = $channel->{id};
		3123
		3124	} elsif (ref $channel) {
		3125	# send meta info to client, if not yet sent
		3126	unless (exists $self->{channel}{$channel->{id}}) {
		3127	$self->{channel}{$channel->{id}} = $channel;
		3128	$self->ext_msg (channel_info => $channel);
		3129	}
		3130
		3131	$channel = $channel->{id};
		3132	}
		3133
		3134	return unless @extra || length $msg;
		3135
		3136	# default colour, mask it out
		3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3138	if $color & cf::NDI_DEF;
		3139
		3140	my $pkt = "msg "
		3141	. $self->{json_coder}->encode (
		3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3143	);
		3144
		3145	$self->send_big_packet ($pkt);
		3146	}
		3147
2054	=item $client->ext_event ($type, %msg)	3148	=item $client->ext_msg ($type, @msg)
2055		3149
2056	Sends an exti event to the client.	3150	Sends an ext event to the client.
2057		3151
2058	=cut	3152	=cut
2059		3153
2060	sub cf::client::ext_event($$%) {	3154	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3155	my ($self, $type, @msg) = @_;
2062		3156
		3157	if ($self->extcmd == 2) {
		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3160	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		3172	my ($self, $id, @msg) = @_;
		3173
		3174	if ($self->extcmd == 2) {
		3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3176	} elsif ($self->extcmd == 1) {
		3177	#TODO: version 1, remove
		3178	unshift @msg, msgtype => "reply", msgid => $id;
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
2065	}	3181	}
2066		3182
2067	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
2068		3184
2069	Queues a query to the client, calling the given callback with	3185	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3186	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3187	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3188
2073	Queries can fail, so check the return code. Or don't, as queries will become	3189	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3190	become reliable at some point in the future.
2075		3191
2076	=cut	3192	=cut
2077		3193
2078	sub cf::client::query {	3194	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3195	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3203	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3204	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3205
2090	$self->send_packet ($self->{query_queue}[0][0])	3206	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3207	if @{ $self->{query_queue} } == 1;
		3208
		3209	1
2092	}	3210	}
2093		3211
2094	cf::client->attach (	3212	cf::client->attach (
		3213	on_connect => sub {
		3214	my ($ns) = @_;
		3215
		3216	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3217	},
2095	on_reply => sub {	3218	on_reply => sub {
2096	my ($ns, $msg) = @_;	3219	my ($ns, $msg) = @_;
2097		3220
2098	# this weird shuffling is so that direct followup queries	3221	# this weird shuffling is so that direct followup queries
2099	# get handled first	3222	# get handled first
…		…
2111	} else {	3234	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3235	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3236	}
2114	}	3237	}
2115	},	3238	},
		3239	on_exticmd => sub {
		3240	my ($ns, $buf) = @_;
		3241
		3242	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3243
		3244	if (ref $msg) {
		3245	my ($type, $reply, @payload) =
		3246	"ARRAY" eq ref $msg
		3247	? @$msg
		3248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3249
		3250	my @reply;
		3251
		3252	if (my $cb = $EXTICMD{$type}) {
		3253	@reply = $cb->($ns, @payload);
		3254	}
		3255
		3256	$ns->ext_reply ($reply, @reply)
		3257	if $reply;
		3258
		3259	} else {
		3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3261	}
		3262
		3263	cf::override;
		3264	},
2116	);	3265	);
2117		3266
2118	=item $client->async (\&cb)	3267	=item $client->async (\&cb)
2119		3268
2120	Create a new coroutine, running the specified callback. The coroutine will	3269	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3285
2137	$coro	3286	$coro
2138	}	3287	}
2139		3288
2140	cf::client->attach (	3289	cf::client->attach (
2141	on_destroy => sub {	3290	on_client_destroy => sub {
2142	my ($ns) = @_;	3291	my ($ns) = @_;
2143		3292
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3294	},
2146	);	3295	);
…		…
2161	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2163		3312
2164	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2165		3314
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2167		3320
2168	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2169		3322
2170	=pod	3323	=pod
2171		3324
2172	The following functions and methods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2173		3326
2174	cf::object contr pay_amount pay_player map	3327	cf::object
		3328	contr pay_amount pay_player map x y force_find force_add destroy
		3329	insert remove name archname title slaying race decrease split
		3330	value
		3331
2175	cf::object::player player	3332	cf::object::player
2176	cf::player peaceful	3333	player
2177	cf::map trigger	3334
		3335	cf::player
		3336	peaceful
		3337
		3338	cf::map
		3339	trigger
2178		3340
2179	=cut	3341	=cut
2180		3342
2181	for (	3343	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2186	) {	3350	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3353	for @funs;
2191	}	3354	}
2192		3355
…		…
2207		3370
2208	my $qcode = $code;	3371	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2211		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2212	local $_;	3378	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3379
2215	my $eval =	3380	my $eval =
2216	"do {\n"	3381	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3384	. $code
2220	. "\n}"	3385	. "\n}"
2221	;	3386	;
2222		3387
		3388	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2226		3397
2227	if ($@) {	3398	if ($@) {
2228	warn "$@";	3399	warn "$@",
2229	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2231	}	3402	}
2232		3403
2233	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2234	}	3405	}
2235		3406
…		…
2249	=cut	3420	=cut
2250		3421
2251	sub register_script_function {	3422	sub register_script_function {
2252	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2253		3424
2254	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2256	}	3427	}
2257		3428
2258	=back	3429	=back
2259		3430
2260	=cut	3431	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3432
2334	#############################################################################	3433	#############################################################################
2335	# the server's init and main functions	3434	# the server's init and main functions
2336		3435
2337	sub load_facedata($) {	3436	sub load_facedata($) {
2338	my ($path) = @_;	3437	my ($path) = @_;
2339		3438
		3439	# HACK to clear player env face cache, we need some signal framework
		3440	# for this (global event?)
		3441	%ext::player_env::MUSIC_FACE_CACHE = ();
		3442
		3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3444
2340	warn "loading facedata from $path\n";	3445	trace "loading facedata from $path\n";
2341		3446
2342	my $facedata;	3447	my $facedata = decode_storable load_file $path;
2343	0 < aio_load $path, $facedata
2344	or die "$path: $!";
2345
2346	$facedata = Coro::Storable::thaw $facedata;
2347		3448
2348	$facedata->{version} == 2	3449	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3451
		3452	# patch in the exptable
		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3454	$facedata->{resource}{"res/exp_table"} = {
		3455	type => FT_RSRC,
		3456	data => $exp_table,
		3457	hash => (Digest::MD5::md5 $exp_table),
		3458	};
		3459	cf::cede_to_tick;
		3460
2351	{	3461	{
2352	my $faces = $facedata->{faceinfo};	3462	my $faces = $facedata->{faceinfo};
2353		3463
2354	while (my ($face, $info) = each %$faces) {	3464	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3466
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3467	cf::face::set_visibility $idx, $info->{visibility};
		3468	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3472
		3473	cf::cede_to_tick;
2360	}	3474	}
2361		3475
2362	while (my ($face, $info) = each %$faces) {	3476	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3477	next unless $info->{smooth};
		3478
2364	my $idx = cf::face::find $face	3479	my $idx = cf::face::find $face
2365	or next;	3480	or next;
		3481
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3482	if (my $smooth = cf::face::find $info->{smooth}) {
		3483	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3485	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3486	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3487	}
2371	Coro::cede;	3488
		3489	cf::cede_to_tick;
2372	}	3490	}
2373	}	3491	}
2374		3492
2375	{	3493	{
2376	my $anims = $facedata->{animinfo};	3494	my $anims = $facedata->{animinfo};
2377		3495
2378	while (my ($anim, $info) = each %$anims) {	3496	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3497	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3498	cf::cede_to_tick;
2381	}	3499	}
2382		3500
2383	cf::anim::invalidate_all; # d'oh	3501	cf::anim::invalidate_all; # d'oh
2384	}	3502	}
2385		3503
		3504	{
		3505	my $res = $facedata->{resource};
		3506
		3507	while (my ($name, $info) = each %$res) {
		3508	if (defined $info->{type}) {
		3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3510
		3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3512	cf::face::set_type $idx, $info->{type};
		3513	} else {
		3514	$RESOURCE{$name} = $info; # unused
		3515	}
		3516
		3517	cf::cede_to_tick;
		3518	}
		3519	}
		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3522
2386	1	3523	1
2387	}	3524	}
2388		3525
		3526	register_exticmd fx_want => sub {
		3527	my ($ns, $want) = @_;
		3528
		3529	while (my ($k, $v) = each %$want) {
		3530	$ns->fx_want ($k, $v);
		3531	}
		3532	};
		3533
		3534	sub load_resource_file($) {
		3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
		3543
		3544	sub reload_regions {
		3545	# HACK to clear player env face cache, we need some signal framework
		3546	# for this (global event?)
		3547	%ext::player_env::MUSIC_FACE_CACHE = ();
		3548
		3549	load_resource_file "$MAPDIR/regions"
		3550	or die "unable to load regions file\n";
		3551
		3552	for (cf::region::list) {
		3553	$_->{match} = qr/$_->{match}/
		3554	if exists $_->{match};
		3555	}
		3556	}
		3557
2389	sub reload_facedata {	3558	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3559	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	3560	or die "unable to load facedata\n";
2392	}	3561	}
2393		3562
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3563	sub reload_archetypes {
2400	load_resource_file sprintf "%s/archetypes", cf::datadir	3564	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3565	or die "unable to load archetypes\n";
2402	}	3566	}
2403		3567
2404	sub reload_treasures {	3568	sub reload_treasures {
2405	load_resource_file sprintf "%s/treasures", cf::datadir	3569	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3570	or die "unable to load treasurelists\n";
2407	}	3571	}
2408		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
2409	sub reload_resources {	3593	sub reload_resources {
2410	warn "reloading resource files...\n";	3594	trace "reloading resource files...\n";
2411		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
2412	reload_regions;	3601	reload_regions;
2413	reload_facedata;
2414	reload_archetypes;
2415	reload_treasures;	3602	reload_treasures;
2416		3603
2417	warn "finished reloading resource files\n";	3604	trace "finished reloading resource files\n";
2418	}	3605	}
2419		3606
2420	sub init {	3607	sub reload_config {
2421	reload_resources;	3608	trace "reloading config file...\n";
2422	}
2423		3609
2424	sub cfg_load {	3610	my $config = load_file "$CONFDIR/config";
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3611	utf8::decode $config;
2426	or return;	3612	*CFG = decode_yaml $config;
2427		3613
2428	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;
2430
2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2432		3615
2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2435		3618
2436	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2440	};	3623	};
2441	warn $@ if $@;	3624	warn $@ if $@;
2442	}	3625	}
2443	}	3626	}
2444		3627
		3628	sub pidfile() {
		3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
		3654	}
		3655
2445	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
2446	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3669	(async {
2450	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2452	};	3673	};
2453		3674
2454	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
		3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
		3687	reload_config;
2455	db_init;	3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
2456	load_extensions;	3698	load_extensions;
2457		3699
2458	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2459	Event::loop;	3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
2460	}	3718	}
2461		3719
2462	#############################################################################	3720	#############################################################################
2463	# initialisation and cleanup	3721	# initialisation and cleanup
2464		3722
2465	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2466	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3727	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2469	reentrant => 0,
2470	data => WF_AUTOCANCEL,
2471	signal => $signal,
2472	prio => 0,
2473	cb => sub {
2474	cf::cleanup "SIG$signal";	3728	cf::cleanup "SIG$signal";
2475	},
2476	);	3729	};
		3730	}
		3731	}
		3732
		3733	sub write_runtime_sync {
		3734	my $t0 = AE::time;
		3735
		3736	# first touch the runtime file to show we are still running:
		3737	# the fsync below can take a very very long time.
		3738
		3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3740
		3741	my $guard = cf::lock_acquire "write_runtime";
		3742
		3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3744	or return;
		3745
		3746	my $value = $cf::RUNTIME + 90 + 10;
		3747	# 10 is the runtime save interval, for a monotonic clock
		3748	# 60 allows for the watchdog to kill the server.
		3749
		3750	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3751	and return;
		3752
		3753	# always fsync - this file is important
		3754	aio_fsync $fh
		3755	and return;
		3756
		3757	# touch it again to show we are up-to-date
		3758	aio_utime $fh, undef, undef;
		3759
		3760	close $fh
		3761	or return;
		3762
		3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3764	and return;
		3765
		3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3767
2477	}	3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
2478	}	3819	}
2479		3820
2480	sub emergency_save() {	3821	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2482		3823
2483	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
2484		3830
2485	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2486	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2487	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2488	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2490	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	3842	$pl->save;
2494	}	3843	}
2495	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2496		3845
2497	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
2498	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2499	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2500	$map->valid or next;	3851	$map->valid or next;
2501	$map->save;	3852	$map->save;
2502	}	3853	}
2503	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
2504		3855
2505	warn "begin emergency database checkpoint\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
2506	BDB::db_env_txn_checkpoint $DB_ENV;	3859	BDB::db_env_txn_checkpoint $DB_ENV;
2507	warn "end emergency database checkpoint\n";	3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
2508	};	3884	};
2509		3885
2510	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2511	}	3887	}
2512		3888
2513	sub post_cleanup {	3889	sub post_cleanup {
2514	my ($make_core) = @_;	3890	my ($make_core) = @_;
2515		3891
		3892	IO::AIO::flush;
		3893
2516	warn Carp::longmess "post_cleanup backtrace"	3894	error Carp::longmess "post_cleanup backtrace"
2517	if $make_core;	3895	if $make_core;
		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
2518	}	3924	}
2519		3925
2520	sub do_reload_perl() {	3926	sub do_reload_perl() {
2521	# can/must only be called in main	3927	# can/must only be called in main
2522	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2523	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2524	return;	3930	return;
2525	}	3931	}
2526		3932
2527	warn "reloading...";	3933	return if $RELOAD++;
2528		3934
2529	warn "entering sync_job";	3935	my $t1 = AE::time;
2530		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
2531	cf::sync_job {	3943	cf::sync_job {
2532	cf::write_runtime; # external watchdog should not bark
2533	cf::emergency_save;	3944	#cf::emergency_save;
2534	cf::write_runtime; # external watchdog should not bark
2535		3945
2536	warn "syncing database to disk";
2537	BDB::db_env_txn_checkpoint $DB_ENV;
2538
2539	# if anything goes wrong in here, we should simply crash as we already saved
2540
2541	warn "cancelling all WF_AUTOCANCEL watchers";
2542	for (Event::all_watchers) {
2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2544	}
2545
2546	warn "flushing outstanding aio requests";
2547	for (;;) {
2548	BDB::flush;
2549	IO::AIO::flush;
2550	Coro::cede;
2551	last unless IO::AIO::nreqs || BDB::nreqs;
2552	warn "iterate...";
2553	}
2554
2555	++$RELOAD;
2556
2557	warn "cancelling all extension coros";	3946	trace "perl_reload: cancelling all extension coros";
2558	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
2559	%EXT_CORO = ();	3948	%EXT_CORO = ();
2560		3949
2561	warn "removing commands";	3950	trace "perl_reload: removing commands";
2562	%COMMAND = ();	3951	%COMMAND = ();
2563		3952
2564	warn "removing ext commands";	3953	trace "perl_reload: removing ext/exti commands";
2565	%EXTCMD = ();	3954	%EXTCMD = ();
		3955	%EXTICMD = ();
2566		3956
2567	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
2570		3960
2571	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
2572	eval {	3962	eval {
2573	$cb->($pkg);	3963	$cb->($pkg);
2574	1	3964	1
2575	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
2576	}	3970	}
2577		3971
2578	warn "... nuking $pkg";
2579	Symbol::delete_package $pkg;
2580	}
2581
2582	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2583	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2585		3975
2586	warn "... unloading $k";	3976	trace "... unloading $k";
2587	delete $INC{$k};	3977	delete $INC{$k};
2588		3978
2589	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
2590	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
2591		3981
2592	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
2593	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
2594	}	3987	}
2595		3988
2596	Symbol::delete_package $k;
2597	}
2598
2599	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
2600	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		3992
2603	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
		3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2605		3996
2606	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3998	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
2609		4000
2610	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
2611		4002
2612	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
2613	require cf;	4004	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
2615		4006
2616	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
2617	cf::cfg_load;	4008	cf::reload_config;
2618		4009
2619	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
2620	cf::load_extensions;	4011	cf::load_extensions;
2621		4012
		4013	if ($REATTACH_ON_RELOAD) {
2622	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
2623	_global_reattach; # objects, sockets	4015	_global_reattach; # objects, sockets
2624	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
2625	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
2626	warn "reattaching attachments to players";	4018	trace "perl_reload: reattaching attachments to players";
2627	reattach $_ for values %PLAYER;	4019	reattach $_ for values %PLAYER;
		4020	}
2628		4021
2629	warn "leaving sync_job";	4022	cf::_post_init 1;
2630		4023
		4024	trace "perl_reload: leaving sync_job";
		4025
2631	1	4026	1
2632	} or do {	4027	} or do {
2633	warn $@;	4028	error $@;
2634	warn "error while reloading, exiting.";	4029	cf::cleanup "perl_reload: error, exiting.";
2635	exit 1;	4030	};
		4031
		4032	--$RELOAD;
2636	};	4033	}
2637		4034
2638	warn "reloaded";	4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
2639	};	4037	};
2640		4038
2641	our $RELOAD_WATCHER; # used only during reload	4039	our $RELOAD_WATCHER; # used only during reload
2642		4040
2643	sub reload_perl() {	4041	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	4042	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	4043	# coro crashes during coro_state_free->destroy here.
2646		4044
2647	$RELOAD_WATCHER ||= Event->timer (	4045	$RELOAD_WATCHER ||= cf::async {
2648	reentrant => 0,	4046	Coro::AIO::aio_wait cache_extensions;
2649	after => 0,	4047
2650	data => WF_AUTOCANCEL,	4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2651	cb => sub {
2652	do_reload_perl;	4049	do_reload_perl;
2653	undef $RELOAD_WATCHER;	4050	undef $RELOAD_WATCHER;
2654	},	4051	};
2655	);	4052	};
2656	}	4053	}
2657		4054
2658	register_command "reload" => sub {	4055	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
2660		4057
2661	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
		4060	async {
		4061	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	4062	reload_perl;
		4063	};
2664	}	4064	}
2665	};	4065	};
2666		4066
2667	unshift @INC, $LIBDIR;	4067	#############################################################################
2668		4068
2669	my $bug_warning = 0;	4069	my $bug_warning = 0;
2670		4070
2671	our @WAIT_FOR_TICK;	4071	our @WAIT_FOR_TICK;
2672	our @WAIT_FOR_TICK_BEGIN;	4072	our @WAIT_FOR_TICK_BEGIN;
2673		4073
2674	sub wait_for_tick {	4074	sub wait_for_tick() {
2675	return unless $TICK_WATCHER->is_active;
2676	return if $Coro::current == $Coro::main;	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2677		4076
2678	my $signal = new Coro::Signal;	4077	my $signal = new Coro::Signal;
2679	push @WAIT_FOR_TICK, $signal;	4078	push @WAIT_FOR_TICK, $signal;
2680	$signal->wait;	4079	$signal->wait;
2681	}	4080	}
2682		4081
2683	sub wait_for_tick_begin {	4082	sub wait_for_tick_begin() {
2684	return unless $TICK_WATCHER->is_active;
2685	return if $Coro::current == $Coro::main;	4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2686		4084
2687	my $signal = new Coro::Signal;	4085	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	4086	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	4087	$signal->wait;
2690	}	4088	}
2691		4089
2692	$TICK_WATCHER = Event->timer (	4090	sub tick {
2693	reentrant => 0,
2694	parked => 1,
2695	prio => 0,
2696	at => $NEXT_TICK || $TICK,
2697	data => WF_AUTOCANCEL,
2698	cb => sub {
2699	if ($Coro::current != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
2702	return;	4094	return;
2703	}	4095	}
2704		4096
2705	$NOW = Event::time;
2706
2707	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
2708		4098
2709	$RUNTIME += $TICK;	4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2710	$NEXT_TICK += $TICK;
2711		4100
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2714	Coro::async_pool {	4103	Coro::async_pool {
		4104	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	4105	write_runtime_sync
2716	or warn "ERROR: unable to write runtime file: $!";	4106	or error "ERROR: unable to write runtime file: $!";
2717	};
2718	}	4107	};
		4108	}
2719		4109
2720	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#
2722
2723	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2725
2726	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;
2728
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	4111	$sig->send;
2731	}	4112	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {	4113	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;	4114	$sig->send;
2734	}
2735
2736	_post_tick;
2737	},	4115	}
2738	);	4116
		4117	$LOAD = ($NOW - $TICK_START) / $TICK;
		4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4119
		4120	if (0) {
		4121	if ($NEXT_TICK) {
		4122	my $jitter = $TICK_START - $NEXT_TICK;
		4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4124	debug "jitter $JITTER\n";#d#
		4125	}
		4126	}
		4127	}
2739		4128
2740	{	4129	{
2741	BDB::max_poll_time $TICK * 0.1;	4130	# configure BDB
2742	$BDB_POLL_WATCHER = Event->io (	4131
2743	reentrant => 0,
2744	fd => BDB::poll_fileno,
2745	poll => 'r',
2746	prio => 0,
2747	data => WF_AUTOCANCEL,
2748	cb => \&BDB::poll_cb,
2749	);
2750	BDB::min_parallel 8;	4132	BDB::min_parallel 16;
2751		4133	BDB::max_poll_reqs $TICK * 0.1;
2752	BDB::set_sync_prepare {	4134	$AnyEvent::BDB::WATCHER->priority (1);
2753	my $status;
2754	my $current = $Coro::current;
2755	(
2756	sub {
2757	$status = $!;
2758	$current->ready; undef $current;
2759	},
2760	sub {
2761	Coro::schedule while defined $current;
2762	$! = $status;
2763	},
2764	)
2765	};
2766		4135
2767	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
2768	$DB_ENV = BDB::db_env_create;	4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769		4143
2770	cf::sync_job {	4144	cf::sync_job {
2771	eval {	4145	eval {
2772	BDB::db_env_open	4146	BDB::db_env_open
2773	$DB_ENV,	4147	$DB_ENV,
2774	$BDB_ENV_DIR,	4148	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	4151	0666;
2778		4152
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4153	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;
2783	};	4154	};
2784		4155
2785	cf::cleanup "db_env_open(db): $@" if $@;	4156	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	4157	};
2787	}	4158	}
		4159
		4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4162	};
		4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4165	};
		4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4168	};
2788	}	4169	}
2789		4170
2790	{	4171	{
		4172	# configure IO::AIO
		4173
2791	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
2792
2793	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	4176	undef $AnyEvent::AIO::WATCHER;
2796	reentrant => 0,
2797	data => WF_AUTOCANCEL,
2798	fd => IO::AIO::poll_fileno,
2799	poll => 'r',
2800	prio => 6,
2801	cb => \&IO::AIO::poll_cb,
2802	);
2803	}	4177	}
		4178
		4179	our $_log_backtrace;
		4180	our $_log_backtrace_last;
		4181
		4182	sub _log_backtrace {
		4183	my ($msg, @addr) = @_;
		4184
		4185	$msg =~ s/\n$//;
		4186
		4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4190	# limit the # of concurrent backtraces
		4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
		4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
		4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
		4198	my @bt = fork_call {
		4199	@addr = map { sprintf "%x", $_ } @addr;
		4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4202	or die "addr2line: $!";
		4203
		4204	my @funcs;
		4205	my @res = <$fh>;
		4206	chomp for @res;
		4207	while (@res) {
		4208	my ($func, $line) = splice @res, 0, 2, ();
		4209	push @funcs, "[$func] $line";
		4210	}
		4211
		4212	@funcs
		4213	};
		4214
		4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4217	LOG llevInfo, "[ABT] $_\n" for @bt;
		4218	--$_log_backtrace;
		4219	};
		4220	} else {
		4221	LOG llevInfo, "[ABT] $msg\n";
		4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4223	}
		4224	}
		4225
		4226	# load additional modules
		4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
2804		4229
2805	END { cf::emergency_save }	4230	END { cf::emergency_save }
2806		4231
2807	1	4232	1
2808		4233

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