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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.564 by elmex, Thu Apr 28 14:58:08 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
27		62
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
29		78
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		80
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		82
37	our %COMMAND = ();	83	our %COMMAND = ();
38	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
39		85
40	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
44		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	93	our @EVENT;
46	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
47		96
48	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	98
50	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
51	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	123	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
55		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
58		132
59	our %CFG;	133	our %CFG;
60		134
61	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
63		138
64	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		142
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $REALLY_UNLOOP; # never set to true, please :)
		155
76	binmode STDOUT;	156	binmode STDOUT;
77	binmode STDERR;	157	binmode STDERR;
78		158
79	# read virtual server time, if available	159	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
84	}	164	}
85		165
86	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	167
88	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		170
93	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
94		172
95	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::"} };
96		189
97	#############################################################################	190	#############################################################################
98		191
99	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
100		193
…		…
107	=item $cf::RUNTIME	200	=item $cf::RUNTIME
108		201
109	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
110	every server tick.	203	every server tick.
111		204
112	=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
113		208
114	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		213
117	=item $cf::NOW	214	=item $cf::NOW
118		215
119	The time of the last (current) server tick.	216	The time of the last (current) server tick.
120		217
121	=item $cf::TICK	218	=item $cf::TICK
122		219
123	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
124		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
125	=item %cf::CFG	232	=item %cf::CFG
126		233
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	235	from wherever your confdir points to.
129		236
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		238
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
134	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
136		259
137	=back	260	=back
138		261
139	=cut	262	=cut
140		263
141	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
142	*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 {
143	my $msg = join "", @_;	271	my $msg = join "", @_;
144	utf8::encode $msg;
145		272
146	$msg .= "\n"	273	$msg .= "\n"
147	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
148		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
149	LOG llevError, $msg;	278	LOG llevWarn, $msg;
150	};	279	};
151	}	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	};
152		294
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		302
160	# 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
161	# within the Safe compartment.	304	# within the Safe compartment.
162	for my $pkg (qw(	305	for my $pkg (qw(
163	cf::global cf::attachable	306	cf::global cf::attachable
164	cf::object cf::object::player	307	cf::object cf::object::player
165	cf::client cf::player	308	cf::client cf::player
166	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
167	cf::map cf::party cf::region	311	cf::party cf::region
168	)) {	312	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	314	}
172		315
173	$Event::DIED = sub {	316	$EV::DIED = sub {
174	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
175	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
176		326
177	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
178		328
179	=over 4	329	=over 4
180		330
…		…
199	$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;
200	$d	350	$d
201	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
202	}	352	}
203		353
204	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
205		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
206	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
207		369
208	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
209		371
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
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
221	=cut	376	=cut
222		377
223	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
225	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
226	}	443	}
227		444
228	=item cf::lock_wait $string	445	=item cf::lock_wait $string
229		446
230	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
231		448
232	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
233		450
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
237	returned.	454	returned.
238		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
239	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
240	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
241		461
242	=cut	462	=item $locked = cf::lock_active $string
243		463
244	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;
245		469
246	sub lock_wait($) {	470	sub lock_wait($) {
247	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	472	}
255		473
256	sub lock_acquire($) {	474	sub lock_acquire($) {
257	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
258		477
259	# wait, to be sure we are not locked	478	sub lock_active($) {
260	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	480	}
269		481
270	sub freeze_mainloop {	482	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
272		484
273	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	486	}
275	$WRITE_RUNTIME_WATCHER->start;	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	}
276	};	556	}
277	$WRITE_RUNTIME_WATCHER->stop;	557	};
278	$TICK_WATCHER->stop;	558
279	$guard	559	sub get_slot($;$$) {
		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;
280	}	572	}
281		573
282	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
283		575
284	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		581
290	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
291		583
292	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
293		585
294	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
295	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
296	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.
297		590
298	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
299	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
300	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
301	fast or be very important.	594	fast or be very important.
…		…
303	=cut	596	=cut
304		597
305	sub sync_job(&) {	598	sub sync_job(&) {
306	my ($job) = @_;	599	my ($job) = @_;
307		600
308	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
309	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
311		606
312	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	608
314	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
315		610
316	my $busy = 1;	611	my $busy = 1;
317	my @res;	612	my @res;
318		613
319	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	616	@res = eval { $job->() };
321	warn $@ if $@;	617	error $@ if $@;
322	undef $busy;	618	undef $busy;
323	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
324		620
325	while ($busy) {	621	while ($busy) {
326	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
327	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
328		632
329	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
330	} else {	634	} else {
331	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
332		636
…		…
352	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
353		657
354	$coro	658	$coro
355	}	659	}
356		660
357	sub write_runtime {	661	=item fork_call { }, @args
358	my $runtime = cf::localdir . "/runtime";
359		662
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
361	or return;	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
362		667
363	my $value = $cf::RUNTIME + 90 + 10;	668	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		669
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	670	sub post_fork {
368	and return;	671	reset_signals;
		672	}
369		673
370	# always fsync - this file is important	674	sub fork_call(&@) {
371	aio_fsync $fh	675	my ($cb, @args) = @_;
372	and return;
373		676
374	close $fh	677	# we seemingly have to make a local copy of the whole thing,
375	or return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
376		680
377	aio_rename "$runtime~", $runtime	681	my @res = Coro::Util::fork_eval {
378	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
379		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
380	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	864	}
382		865
383	=back	866	=back
384		867
385	=cut	868	=cut
386		869
387	#############################################################################	870	#############################################################################
388		871
389	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
390		873
391	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
392	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")
393	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
394		877
395	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>
396	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
397	crossfire+).	880	Deliantra).
398		881
399	=over 4	882	=over 4
400		883
401	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
402		885
…		…
446	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
447		930
448	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
449	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
450		933
451	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
452	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.
453		936
454	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
455		938
456	=over 4	939	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
566		1049
567	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		1054
572	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
574		1057
575	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
580		1063
581	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
583		1066
584	} elsif (ref $type) {	1067	} elsif (ref $type) {
585	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
586		1069
587	} else {	1070	} else {
588	shift @arg;	1071	shift @arg;
589	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
590	}	1073	}
591	}	1074	}
592	}	1075	}
593		1076
594	sub _object_attach {	1077	sub _object_attach {
…		…
604	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
605	}	1088	}
606		1089
607	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
608	} else {	1091	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
610	}	1093	}
611		1094
612	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
613	}	1096	}
614		1097
…		…
616	if (ref $_[0]) {	1099	if (ref $_[0]) {
617	_object_attach @_;	1100	_object_attach @_;
618	} else {	1101	} else {
619	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
620	}	1103	}
		1104	_recalc_want;
621	};	1105	};
622		1106
623	# all those should be optimised	1107	# all those should be optimised
624	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
629	reattach ($obj);	1113	reattach ($obj);
630	} else {	1114	} else {
631	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
632	}	1116	}
		1117	_recalc_want;
633	};	1118	};
634		1119
635	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
637		1122
…		…
652	";	1137	";
653	die if $@;	1138	die if $@;
654	}	1139	}
655		1140
656	our $override;	1141	our $override;
657	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?
658		1143
659	sub override {	1144	sub override {
660	$override = 1;	1145	$override = 1;
661	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
662	}	1147	}
663		1148
664	sub do_invoke {	1149	sub do_invoke {
665	my $event = shift;	1150	my $event = shift;
666	my $callbacks = shift;	1151	my $callbacks = shift;
667		1152
668	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
669		1154
670	local $override;	1155	local $override;
671		1156
672	for (@$callbacks) {	1157	for (@$callbacks) {
673	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
674		1159
675	if ($@) {	1160	if ($@) {
676	warn "$@";
677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
678	override;	1162	override;
679	}	1163	}
680		1164
681	return 1 if $override;	1165	return 1 if $override;
682	}	1166	}
683		1167
684	0	1168	0
685	}	1169	}
686		1170
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1172
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1174
691	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
692		1176
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1180
697	=back	1181	=back
698		1182
699	=cut	1183	=cut
700		1184
701	#############################################################################	1185	#############################################################################
702	# 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	}
703		1229
704	sub reattach {	1230	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1232	my ($obj) = @_;
707		1233
		1234	# no longer needed after getting rid of delete_package?
708	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
709		1236
710	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
711		1238
712	@$registry = ();	1239	@$registry = ();
713		1240
…		…
718	for (@$attach) {	1245	for (@$attach) {
719	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
720	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
721	}	1248	}
722	} else {	1249	} else {
723	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
724	}	1251	}
725	}	1252	}
726	}	1253	}
727		1254
728	cf::attachable->attach (	1255	cf::attachable->attach (
729	prio => -1000000,	1256	prio => -1000000,
730	on_instantiate => sub {	1257	on_instantiate => sub {
731	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
732		1259
733	$data = from_json $data;	1260	$data = decode_json $data;
734		1261
735	for (@$data) {	1262	for (@$data) {
736	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
737		1264
738	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1281	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
756		1283
757	sync_job {	1284	sync_job {
758	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
761		1290
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	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	}
766	close $fh;	1298	aio_close $fh;
767		1299
768	if (@$objs) {	1300	if (@$objs) {
769	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) {
770	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
773	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	}
774	close $fh;	1309	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
776	}	1311	}
777	} else {	1312	} else {
778	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
779	}	1314	}
780		1315
781	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1320	} else {
783	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
784	}	1322	}
785	} else {	1323	} else {
786	aio_unlink $filename;	1324	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
788	}	1326	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1327	};
796	}	1328	}
797		1329
798	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
800		1332
…		…
805		1337
806	sub object_thawer_load {	1338	sub object_thawer_load {
807	my ($filename) = @_;	1339	my ($filename) = @_;
808		1340
809	my ($data, $av);	1341	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1342
814	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
815	or return;	1344	or return;
816		1345
817	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
819	or return;	1348	or return;
		1349
820	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
821	}	1352	}
822		1353
		1354	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
825	return ($data, $av);	1359	($data, $av)
826	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
827		1367
828	#############################################################################	1368	#############################################################################
829	# command handling &c	1369	# command handling &c
830		1370
831	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1385	}
846		1386
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1388
849	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.
850		1394
851	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
852	called.	1396	called.
853		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
854	=cut	1409	=cut
855		1410
856	sub register_extcmd {	1411	sub register_extcmd {
857	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
858		1413
859	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
860	}	1415	}
861		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
862	cf::player->attach (	1425	cf::player->attach (
863	on_command => sub {	1426	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
865		1428
866	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
867	or return;	1430	or return;
868		1431
…		…
873	cf::override;	1436	cf::override;
874	},	1437	},
875	on_extcmd => sub {	1438	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
877		1440
878	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1442
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
886	} else {	1458	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1460	}
889		1461
890	cf::override;	1462	cf::override;
891	},	1463	},
892	);	1464	);
893		1465
		1466	# "readahead" all extensions
894	sub load_extension {	1467	sub cache_extensions {
895	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
896		1469
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
898	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1473	}
922	die $@;
923	}	1474	};
924		1475
925	push @EXTS, $pkg;	1476	$grp
926	}	1477	}
927		1478
928	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
929	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1486	next unless -r $path;
931	eval {	1487
932	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	}
933	1	1551	}
934	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
935	}	1564	};
936	}	1565	}
937		1566
938	#############################################################################	1567	#############################################################################
939		1568
		1569	=back
		1570
940	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
941		1572
942	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
943		1574
944	=cut	1575	=cut
945		1576
946	package cf::player;	1577	package cf::player;
947		1578
…		…
949		1580
950	=head3 cf::player	1581	=head3 cf::player
951		1582
952	=over 4	1583	=over 4
953		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
		1598
954	=item cf::player::find $login	1599	=item cf::player::find $login
955		1600
956	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
957		1602
958	=cut	1603	=cut
959		1604
960	sub playerdir($) {	1605	sub playerdir($) {
961	cf::localdir	1606	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1608	}
967		1609
968	sub path($) {	1610	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1612
971	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
972	}	1614	}
973		1615
974	sub find_active($) {	1616	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
979		1621
980	sub exists($) {	1622	sub exists($) {
981	my ($login) = @_;	1623	my ($login) = @_;
982		1624
983	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
985	}	1627	}
986		1628
987	sub find($) {	1629	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1631	my $login = $_[0];
990		1632
991	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
992		1634
993	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
995	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
997	}	1652	}
998	}	1653	}
999	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1000		1668
1001	sub save($) {	1669	sub save($) {
1002	my ($pl) = @_;	1670	my ($pl) = @_;
1003		1671
1004	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1010		1678
1011	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1013		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1014	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1015	Coro::cede;	1688	cf::cede_to_tick;
1016	}	1689	}
1017		1690
1018	sub new($) {	1691	sub new($) {
1019	my ($login) = @_;	1692	my ($login) = @_;
1020		1693
…		…
1026	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1027		1700
1028	$self	1701	$self
1029	}	1702	}
1030		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1031	=item $pl->quit_character	1714	=item $pl->quit_character
1032		1715
1033	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1035		1718
1036	=cut	1719	=cut
1037		1720
1038	sub quit_character {	1721	sub quit_character {
1039	my ($pl) = @_;	1722	my ($pl) = @_;
1040		1723
		1724	my $name = $pl->ob->name;
		1725
1041	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1728
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1045	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1047	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1048		1737
1049	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1742	$pl->destroy;
		1743
		1744	my $prefix = qr<^~\Q$name\E/>;
		1745
		1746	# nuke player maps
		1747	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1748
1054	IO::AIO::aio_rmtree $temp;	1749	IO::AIO::aio_rmtree $temp;
		1750	}
		1751
		1752	=item $pl->kick
		1753
		1754	Kicks a player out of the game. This destroys the connection.
		1755
		1756	=cut
		1757
		1758	sub kick {
		1759	my ($pl, $kicker) = @_;
		1760
		1761	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1762	$pl->killer ("kicked");
		1763	$pl->ns->destroy;
1055	}	1764	}
1056		1765
1057	=item cf::player::list_logins	1766	=item cf::player::list_logins
1058		1767
1059	Returns am arrayref of all valid playernames in the system, can take a	1768	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1061		1770
1062	=cut	1771	=cut
1063		1772
1064	sub list_logins {	1773	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1775	or return [];
1067		1776
1068	my @logins;	1777	my @logins;
1069		1778
1070	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1074		1789
1075	utf8::decode $login;	1790	utf8::decode $login;
1076	push @logins, $login;	1791	push @logins, $login;
1077	}	1792	}
1078		1793
1079	\@logins	1794	\@logins
1080	}	1795	}
1081		1796
1082	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1083		1800
1084	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1085	player. May block.	1802	player. May block.
1086		1803
1087	=cut	1804	=cut
…		…
1099	for (@$files) {	1816	for (@$files) {
1100	utf8::decode $_;	1817	utf8::decode $_;
1101	next if /\.(?:pl|pst)$/;	1818	next if /\.(?:pl|pst)$/;
1102	next unless /^$PATH_SEP/o;	1819	next unless /^$PATH_SEP/o;
1103		1820
1104	push @paths, cf::map::normalise "~$pl/$_";	1821	push @paths, cf::map::normalise "~$pl/$_", $pl->map;
1105	}	1822	}
1106		1823
1107	\@paths	1824	\@paths
1108	}	1825	}
1109		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1111		1832
1112	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1113		1834
1114	=cut	1835	=cut
1115		1836
1116	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1118		1839
1119	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1841	}
1123		1842
1124	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1125		1885
1126	=back	1886	=back
1127
1128		1887
1129	=head3 cf::map	1888	=head3 cf::map
1130		1889
1131	=over 4	1890	=over 4
1132		1891
…		…
1144	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1146		1905
1147	sub generate_random_map {	1906	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1149	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1150	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region}), $rmp->{custom}
1162	)
1163	}	1912	}
1164		1913
1165	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1166		1915
1167	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1172		1921
1173	sub register {	1922	sub register {
1174	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	1924	my $pkg = caller;
1176		1925
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		1927
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	1929	}
1182		1930
1183	# also paths starting with '/'	1931	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		1933
1186	sub thawer_merge {	1934	sub thawer_merge {
1187	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1188		1936
1189	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1190	local $self->{path};	1938	local $self->{path};
1191	local $self->{load_path};	1939	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1940
1195	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1196	}	1942	}
1197		1943
1198	sub normalise {	1944	sub normalise {
1199	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1200		1946
1201	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1202		1948
1203	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1204		1950
1205	# map plan:	1951	# map plan:
1206	#	1952	#
…		…
1208	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1209	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1210	# ?random/... random maps	1956	# ?random/... random maps
1211	# /... normal maps	1957	# /... normal maps
1212	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1213		1960
1214	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1215		1962
1216	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1217	# something that looks reasonable	1964	# something that looks reasonable
1218	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1219	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1220		1967
1221	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1222	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1223	}	1984	}
1224		1985
1225	for ($path) {	1986	for ($path) {
1226	redo if s{//}{/};
1227	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1228	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1229	}	1989	}
1230		1990
1231	$path	1991	$path
…		…
1245	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1246	return $self;	2006	return $self;
1247	}	2007	}
1248	}	2008	}
1249		2009
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	2011	()
1252	}	2012	}
1253		2013
		2014	# may re-bless or do other evil things
1254	sub init {	2015	sub init {
1255	my ($self) = @_;	2016	my ($self) = @_;
1256		2017
1257	$self	2018	$self
1258	}	2019	}
…		…
1270		2031
1271	# the original (read-only) location	2032	# the original (read-only) location
1272	sub load_path {	2033	sub load_path {
1273	my ($self) = @_;	2034	my ($self) = @_;
1274		2035
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2036	"$MAPDIR/$self->{path}.map"
1276	}	2037	}
1277		2038
1278	# the temporary/swap location	2039	# the temporary/swap location
1279	sub save_path {	2040	sub save_path {
1280	my ($self) = @_;	2041	my ($self) = @_;
1281		2042
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2044	"$TMPDIR/$path.map"
1284	}	2045	}
1285		2046
1286	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1287	sub uniq_path {	2048	sub uniq_path {
1288	my ($self) = @_;	2049	my ($self) = @_;
1289		2050
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2052	"$UNIQUEDIR/$path"
1292	}	2053	}
1293		2054
1294	# and all this just because we cannot iterate over	2055	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	2056	my ($self) = @_;
1298		2057
1299	$_->change_map_light ($change)	2058	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	2059
		2060	$self->do_decay_objects;
1301	}	2061	}
1302		2062
1303	sub unlink_save {	2063	sub unlink_save {
1304	my ($self) = @_;	2064	my ($self) = @_;
1305		2065
1306	utf8::encode (my $save = $self->save_path);	2066	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2067	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2068	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	2069	}
1315		2070
1316	sub load_header_from($) {	2071	sub load_header_from($) {
1317	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1318		2073
1319	utf8::encode $path;	2074	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	2076	or return;
		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
1325		2083
1326	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1327		2085
1328	1	2086	1
1329	}	2087	}
…		…
1368	$self->load_header_orig	2126	$self->load_header_orig
1369	or return;	2127	or return;
1370	$self->prepare_orig;	2128	$self->prepare_orig;
1371	}	2129	}
1372		2130
		2131	$self->{deny_reset} = 1
		2132	if $self->no_reset;
		2133
		2134	$self->default_region (cf::region::find_by_path $self->{path})
		2135	unless $self->default_region;
		2136
1373	1	2137	1
1374	}	2138	}
1375		2139
1376	sub find;	2140	sub find;
1377	sub find {	2141	sub find {
1378	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1379		2143
		2144	cf::cede_to_tick;
		2145
1380	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1381		2147
		2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2150
1384	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1387	or return;	2153	or return;
1388		2154
1389	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1390		2156
1391	$map->load_header	2157	$map->load_header
1392	or return;	2158	or return;
1393		2159
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
		2164	undef $guard1;
1397	$map->reset;	2165	$map->reset;
1398	undef $guard;
1399	return find $path;	2166	return find $path;
1400	}	2167	}
1401		2168
1402	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1403	}	2170	}
1404	}	2171	}
1405		2172
1406	sub pre_load { }	2173	sub pre_load { }
1407	sub post_load { }	2174	#sub post_load { } # XS
1408		2175
1409	sub load {	2176	sub load {
1410	my ($self) = @_;	2177	my ($self) = @_;
1411		2178
1412	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
1413		2180
1414	my $path = $self->{path};	2181	my $path = $self->{path};
		2182
		2183	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2184	my $guard = cf::lock_acquire "map_data:$path";
1416		2185
		2186	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2187	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2188
1419	$self->in_memory (cf::MAP_LOADING);	2189	$self->in_memory (cf::MAP_LOADING);
1420		2190
1421	$self->alloc;	2191	$self->alloc;
1422		2192
1423	$self->pre_load;	2193	$self->pre_load;
		2194	cf::cede_to_tick;
1424		2195
1425	$self->_load_objects ($self->{load_path}, 1)	2196	if (exists $self->{load_path}) {
		2197	my $f = new_from_file cf::object::thawer $self->{load_path};
		2198	$f->skip_block;
		2199	$self->_load_objects ($f)
1426	or return;	2200	or return;
1427		2201
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1429	if delete $self->{load_original};	2203	if delete $self->{load_original};
1430		2204
1431	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2206	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2207	unless (aio_stat $uniq) {
		2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2209	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2210	$self->_load_objects ($f);
		2211	$f->resolve_delayed_derefs;
		2212	}
		2213	}
1436	}	2214	}
1437	}
1438		2215
1439	Coro::cede;	2216	$f->resolve_delayed_derefs;
		2217	}
1440		2218
		2219	cf::cede_to_tick;
1441	# now do the right thing for maps	2220	# now do the right thing for maps
1442	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2223	unless $self->difficulty;
1452	Coro::cede;	2224	cf::cede_to_tick;
		2225
		2226	unless ($self->{deny_activate}) {
		2227	$self->decay_objects;
		2228	$self->fix_auto_apply;
		2229	$self->update_buttons;
		2230	cf::cede_to_tick;
1453	$self->activate;	2231	$self->activate;
		2232	}
		2233
		2234	$self->{last_save} = $cf::RUNTIME;
		2235	$self->last_access ($cf::RUNTIME);
		2236
		2237	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2238	}
1455		2239
1456	$self->post_load;	2240	$self->post_load;
1457		2241
1458	$self->in_memory (cf::MAP_IN_MEMORY);	2242	1
1459	}	2243	}
1460		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2248	sub customise_for {
1462	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1463		2250
1464	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2252	if $self->per_player;
1466		2253
		2254	# return find "?party/" . $ob->name . "/" . $self->{path}
		2255	# if $self->per_party;
		2256
1467	$self	2257	$self
1468	}	2258	}
1469		2259
1470	# find and load all maps in the 3x3 area around a map	2260	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2261	sub load_neighbours {
1472	my ($map) = @_;	2262	my ($map) = @_;
1473		2263
1474	my @diag; # diagonal neighbours	2264	my @neigh; # diagonal neighbours
1475		2265
1476	for (0 .. 3) {	2266	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2267	my $neigh = $map->tile_path ($_)
1478	or next;	2268	or next;
1479	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1480	or next;	2270	or next;
1481	$neigh->load;	2271	$neigh->load;
1482		2272
		2273	# now find the diagonal neighbours
		2274	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2277	}
1486		2278
1487	for (@diag) {	2279	for (grep defined $_->[0], @neigh) {
		2280	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2281	my $neigh = find $path, $origin
1489	or next;	2282	or next;
1490	$neigh->load;	2283	$neigh->load;
1491	}	2284	}
1492	}	2285	}
1493		2286
1494	sub find_sync {	2287	sub find_sync {
1495	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
1496		2289
1497	cf::sync_job { find $path, $origin }	2290	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2291	if $Coro::current == $Coro::main;
		2292
		2293	find $path, $origin
1498	}	2294	}
1499		2295
1500	sub do_load_sync {	2296	sub do_load_sync {
1501	my ($map) = @_;	2297	my ($map) = @_;
1502		2298
1503	cf::sync_job { $map->load };	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2300	if $Coro::current == $Coro::main;
		2301
		2302	$map->load;
1504	}	2303	}
1505		2304
1506	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
1508		2307
1509	sub find_async {	2308	sub find_async {
1510	my ($path, $origin) = @_;	2309	my ($path, $origin, $load) = @_;
1511		2310
1512	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
1513		2312
1514	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2315	}
1517		2316
1518	undef $MAP_PREFETCH{$path};	2317	$MAP_PREFETCH{$path} |= $load;
		2318
1519	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
		2320	$Coro::current->{desc} = "map prefetcher";
		2321
1520	while (%MAP_PREFETCH) {	2322	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2323	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2324	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2325	$map->load if $v;
		2326	}
1525		2327
1526	delete $MAP_PREFETCH{$path};	2328	delete $MAP_PREFETCH{$k};
1527	}	2329	}
1528	}	2330	}
1529	undef $MAP_PREFETCHER;	2331	undef $MAP_PREFETCHER;
1530	};	2332	};
1531	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
1532		2334
1533	()	2335	()
1534	}	2336	}
1535		2337
		2338	# common code, used by both ->save and ->swapout
1536	sub save {	2339	sub _save {
1537	my ($self) = @_;	2340	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2341
1541	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1542		2343
1543	return unless $self->dirty;	2344	return unless $self->dirty;
1544		2345
…		…
1550	return if $self->{deny_save};	2351	return if $self->{deny_save};
1551		2352
1552	local $self->{last_access} = $self->last_access;#d#	2353	local $self->{last_access} = $self->last_access;#d#
1553		2354
1554	cf::async {	2355	cf::async {
		2356	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
1556	};	2358	};
		2359
		2360	cf::get_slot 0.02;
1557		2361
1558	if ($uniq) {	2362	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2365	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2367	}
1564	}	2368	}
1565		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
1566	sub swap_out {	2378	sub swap_out {
1567	my ($self) = @_;	2379	my ($self) = @_;
1568		2380
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
1574	return if $self->players;	2385	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
		2390	$self->in_memory (cf::MAP_SWAPPED);
		2391
		2392	# then atomically save
		2393	$self->_save;
		2394
		2395	# then free the map
1578	$self->clear;	2396	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2397	}
1581		2398
1582	sub reset_at {	2399	sub reset_at {
1583	my ($self) = @_;	2400	my ($self) = @_;
1584		2401
1585	# TODO: safety, remove and allow resettable per-player maps	2402	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2403	return 1e99 if $self->{deny_reset};
1588		2404
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2405	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2406	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2407
…		…
1602	my ($self) = @_;	2418	my ($self) = @_;
1603		2419
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2421
1606	return if $self->players;	2422	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2423
1609	warn "resetting map ", $self->path;#d#	2424	cf::trace "resetting map ", $self->path, "\n";
		2425
		2426	$self->in_memory (cf::MAP_SWAPPED);
		2427
		2428	# need to save uniques path
		2429	unless ($self->{deny_save}) {
		2430	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2431
		2432	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2433	if $uniq;
		2434	}
1610		2435
1611	delete $cf::MAP{$self->path};	2436	delete $cf::MAP{$self->path};
1612		2437
1613	$self->in_memory (cf::MAP_SWAPPED);	2438	$self->deactivate;
		2439	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2440	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2441
1618	$self->unlink_save;	2442	$self->unlink_save;
1619	$self->destroy;	2443	$self->destroy;
1620	}	2444	}
1621		2445
1622	my $nuke_counter = "aaaa";	2446	my $nuke_counter = "aaaa";
1623		2447
1624	sub nuke {	2448	sub nuke {
1625	my ($self) = @_;	2449	my ($self) = @_;
1626		2450
		2451	{
		2452	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2453
1627	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
1628		2455
1629	$self->unlink_save;	2456	$self->unlink_save;
1630		2457
1631	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2463
1637	$cf::MAP{$self->path} = $self;	2464	$cf::MAP{$self->path} = $self;
		2465	}
1638		2466
1639	$self->reset; # polite request, might not happen	2467	$self->reset; # polite request, might not happen
		2468	}
		2469
		2470	=item $maps = cf::map::tmp_maps
		2471
		2472	Returns an arrayref with all map paths of currently instantiated and saved
		2473	maps. May block.
		2474
		2475	=cut
		2476
		2477	sub tmp_maps() {
		2478	[
		2479	map {
		2480	utf8::decode $_;
		2481	/\.map$/
		2482	? normalise $_
		2483	: ()
		2484	} @{ aio_readdir $TMPDIR or [] }
		2485	]
		2486	}
		2487
		2488	=item $maps = cf::map::random_maps
		2489
		2490	Returns an arrayref with all map paths of currently instantiated and saved
		2491	random maps. May block.
		2492
		2493	=cut
		2494
		2495	sub random_maps() {
		2496	[
		2497	map {
		2498	utf8::decode $_;
		2499	/\.map$/
		2500	? normalise "?random/$_"
		2501	: ()
		2502	} @{ aio_readdir $RANDOMDIR or [] }
		2503	]
1640	}	2504	}
1641		2505
1642	=item cf::map::unique_maps	2506	=item cf::map::unique_maps
1643		2507
1644	Returns an arrayref of paths of all shared maps that have	2508	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2509	instantiated unique items. May block.
1646		2510
1647	=cut	2511	=cut
1648		2512
1649	sub unique_maps() {	2513	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2514	[
1651	or return;	2515	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2516	utf8::decode $_;
1657	next if /\.pst$/;	2517	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2519	? ()
1660	push @paths, cf::map::normalise $_;	2520	: normalise $_
		2521	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2522	]
1662
1663	\@paths
1664	}	2523	}
1665		2524
1666	package cf;	2525	=item cf::map::static_maps
		2526
		2527	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2528	file in the shared directory excluding F</styles> and F</editor>). May
		2529	block.
		2530
		2531	=cut
		2532
		2533	sub static_maps() {
		2534	my @dirs = "";
		2535	my @maps;
		2536
		2537	while (@dirs) {
		2538	my $dir = shift @dirs;
		2539
		2540	next if $dir eq "/styles" || $dir eq "/editor";
		2541
		2542	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2543	or return;
		2544
		2545	for (@$files) {
		2546	s/\.map$// or next;
		2547	utf8::decode $_;
		2548	push @maps, "$dir/$_";
		2549	}
		2550
		2551	push @dirs, map "$dir/$_", @$dirs;
		2552	}
		2553
		2554	\@maps
		2555	}
1667		2556
1668	=back	2557	=back
1669		2558
1670	=head3 cf::object	2559	=head3 cf::object
1671		2560
…		…
1675		2564
1676	=over 4	2565	=over 4
1677		2566
1678	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
1679		2568
1680	Returns the inventory of the object _and_ their inventories, recursively.	2569	Returns the inventory of the object I<and> their inventories, recursively,
		2570	but I<not> the object itself.
1681		2571
1682	=cut	2572	=cut
1683		2573
1684	sub inv_recursive_;	2574	sub inv_recursive_;
1685	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
1688		2578
1689	sub inv_recursive {	2579	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
1691	}	2581	}
1692		2582
		2583	=item $ref = $ob->ref
		2584
		2585	Creates and returns a persistent reference to an object that can be stored as a string.
		2586
		2587	=item $ob = cf::object::deref ($refstring)
		2588
		2589	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2590	even if the object actually exists. May block.
		2591
		2592	=cut
		2593
		2594	sub deref {
		2595	my ($ref) = @_;
		2596
		2597	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2598	my ($uuid, $name) = ($1, $2);
		2599	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2600	or return;
		2601	$pl->ob->uuid eq $uuid
		2602	or return;
		2603
		2604	$pl->ob
		2605	} else {
		2606	warn "$ref: cannot resolve object reference\n";
		2607	undef
		2608	}
		2609	}
		2610
1693	package cf;	2611	package cf;
1694		2612
1695	=back	2613	=back
1696		2614
1697	=head3 cf::object::player	2615	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2621	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2622	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
1706		2624
1707	=cut	2625	=cut
		2626
		2627	our $SAY_CHANNEL = {
		2628	id => "say",
		2629	title => "Map",
		2630	reply => "say ",
		2631	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2632	};
		2633
		2634	our $CHAT_CHANNEL = {
		2635	id => "chat",
		2636	title => "Chat",
		2637	reply => "chat ",
		2638	tooltip => "Player chat and shouts, global to the server.",
		2639	};
1708		2640
1709	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2642	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2643	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
…		…
1714		2646
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2647	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2648
1717	if ($self->{record_replies}) {	2649	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2650	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2651
1719	} else {	2652	} else {
		2653	my $pl = $self->contr;
		2654
		2655	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2656	my $dialog = $pl->{npc_dialog};
		2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2658
		2659	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2662	}
1722	}	2663	}
		2664	}
		2665
		2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2667
		2668	=cut
		2669
		2670	sub cf::object::send_msg {
		2671	my $pl = shift->contr
		2672	or return;
		2673	$pl->send_msg (@_);
1723	}	2674	}
1724		2675
1725	=item $player_object->may ("access")	2676	=item $player_object->may ("access")
1726		2677
1727	Returns wether the given player is authorized to access resource "access"	2678	Returns wether the given player is authorized to access resource "access"
…		…
1740		2691
1741	=item $player_object->enter_link	2692	=item $player_object->enter_link
1742		2693
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2694	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2695
1745	The player should be reasonably safe there for short amounts of time. You	2696	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2697	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2698	though, as the player cannot control the character while it is on the link
		2699	map.
1747		2700
1748	Will never block.	2701	Will never block.
1749		2702
1750	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
1751		2704
…		…
1771	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2725	my ($self) = @_;
1773		2726
1774	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
1775		2728
		2729	++$self->{_link_recursion};
		2730
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2732
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2734	if $self->map && $self->map->{path} ne "{link}";
1780		2735
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2737	}
1783		2738
1784	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
		2741
		2742	return unless $self->contr->active;
1786		2743
1787	my $link_pos = delete $self->{_link_pos};	2744	my $link_pos = delete $self->{_link_pos};
1788		2745
1789	unless ($map) {	2746	unless ($map) {
1790	# restore original map position	2747	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
1803		2760
1804	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
1807		2764
1808	$map->load;	2765	$map->load;
1809	$map->load_diag;	2766	$map->load_neighbours;
1810		2767
1811	return unless $self->contr->active;	2768	return unless $self->contr->active;
		2769
		2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2771	if ($self->enter_map ($map, $x, $y)) {
		2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2775	$self->activate_recursive;
1813	$self->enter_map ($map, $x, $y);
1814	}
1815
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},	2776	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2777
1830	# try to abort aborted map switching on player login :)	2778	}
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2779
1848	=item $player_object->goto ($path, $x, $y)	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2781
		2782	Moves the player to the given map-path and coordinates by first freezing
		2783	her, loading and preparing them map, calling the provided $check callback
		2784	that has to return the map if sucecssful, and then unfreezes the player on
		2785	the new (success) or old (failed) map position. In either case, $done will
		2786	be called at the end of this process.
		2787
		2788	Note that $check will be called with a potentially non-loaded map, so if
		2789	it needs a loaded map it has to call C<< ->load >>.
		2790
1850	=cut	2791	=cut
		2792
		2793	our $GOTOGEN;
1851		2794
1852	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
		2803
		2804	# do generation counting so two concurrent goto's will be executed in-order
		2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2806
1855	$self->enter_link;	2807	$self->enter_link;
1856		2808
1857	(async {	2809	(async {
		2810	$Coro::current->{desc} = "player::goto $path $x $y";
		2811
		2812	# *tag paths override both path and x|y
		2813	if ($path =~ /^\*(.*)$/) {
		2814	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2815	my $ob = $obs[rand @obs];
		2816
		2817	# see if we actually can go there
		2818	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2819	$ob = $obs[rand @obs];
		2820	} else {
		2821	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823	# else put us there anyways for now #d#
		2824
		2825	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2826	} else {
		2827	($path, $x, $y) = (undef, undef, undef);
		2828	}
		2829	}
		2830
1858	my $map = eval {	2831	my $map = eval {
1859	my $map = cf::map::find $path;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2833
		2834	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2835	$map = $map->customise_for ($self);
		2836	$map = $check->($map, $x, $y, $self) if $check && $map;
		2837	} else {
		2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840
1861	$map	2841	$map
		2842	};
		2843
		2844	if ($@) {
		2845	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2847	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2848
		2849	if ($gen == $self->{_goto_generation}) {
		2850	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
		2852	}
		2853
		2854	$done->($self) if $done;
1866	})->prio (1);	2855	})->prio (1);
1867	}	2856	}
1868		2857
1869	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
1870		2859
…		…
1890	}	2879	}
1891		2880
1892	sub prepare_random_map {	2881	sub prepare_random_map {
1893	my ($exit) = @_;	2882	my ($exit) = @_;
1894		2883
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2886	# that depends on the exit object
1900		2887
1901	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2890	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
1908	}	2897	}
1909		2898
1910	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
1911		2900
1912	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
1915		2904
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2907	undef $fh;
1919	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
1920		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
1923	}	2916	}
1924	}	2917	}
1925		2918
1926	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
1928		2921
1929	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
1930		2923
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2924	$self->enter_link;
1941		2925
1942	(async {	2926	(async {
1943	$self->deactivate_recursive; # just to be sure	2927	$Coro::current->{desc} = "enter_exit";
		2928
1944	unless (eval {	2929	unless (eval {
		2930	$self->deactivate_recursive; # just to be sure
		2931
		2932	# random map handling
		2933	{
		2934	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2935
		2936	prepare_random_map $exit
		2937	if $exit->slaying eq "/!";
		2938	}
		2939
		2940	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2941	my $x = $exit->stats->hp;
		2942	my $y = $exit->stats->sp;
		2943
1945	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
1946		2945
		2946	# if exit is damned, update players death & WoR home-position
		2947	$self->contr->savebed ($map, $x, $y)
		2948	if $exit->flag (cf::FLAG_DAMNED);
		2949
1947	1;	2950	1
1948	}) {	2951	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2953	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2956
1954	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	2958	$self->leave_link;
1956	}	2959	}
1957	})->prio (1);	2960	})->prio (1);
1958	}	2961	}
1959		2962
…		…
1970		2973
1971	sub cf::client::send_drawinfo {	2974	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2975	my ($self, $text, $flags) = @_;
1973		2976
1974	utf8::encode $text;	2977	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2978	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2979	}
1977		2980
		2981	=item $client->send_big_packet ($pkt)
		2982
		2983	Like C<send_packet>, but tries to compress large packets, and fragments
		2984	them as required.
		2985
		2986	=cut
		2987
		2988	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2989
		2990	sub cf::client::send_big_packet {
		2991	my ($self, $pkt) = @_;
		2992
		2993	# try lzf for large packets
		2994	$pkt = "lzf " . Compress::LZF::compress $pkt
		2995	if 1024 <= length $pkt and $self->{can_lzf};
		2996
		2997	# split very large packets
		2998	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2999	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3000	$pkt = "frag";
		3001	}
		3002
		3003	$self->send_packet ($pkt);
		3004	}
		3005
		3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3007
		3008	Send a drawinfo or msg packet to the client, formatting the msg for the
		3009	client if neccessary. C<$type> should be a string identifying the type of
		3010	the message, with C<log> being the default. If C<$color> is negative, suppress
		3011	the message unless the client supports the msg packet.
		3012
		3013	=cut
		3014
		3015	# non-persistent channels (usually the info channel)
		3016	our %CHANNEL = (
		3017	"c/motd" => {
		3018	id => "infobox",
		3019	title => "MOTD",
		3020	reply => undef,
		3021	tooltip => "The message of the day",
		3022	},
		3023	"c/identify" => {
		3024	id => "infobox",
		3025	title => "Identify",
		3026	reply => undef,
		3027	tooltip => "Items recently identified",
		3028	},
		3029	"c/examine" => {
		3030	id => "infobox",
		3031	title => "Examine",
		3032	reply => undef,
		3033	tooltip => "Signs and other items you examined",
		3034	},
		3035	"c/shopinfo" => {
		3036	id => "infobox",
		3037	title => "Shop Info",
		3038	reply => undef,
		3039	tooltip => "What your bargaining skill tells you about the shop",
		3040	},
		3041	"c/book" => {
		3042	id => "infobox",
		3043	title => "Book",
		3044	reply => undef,
		3045	tooltip => "The contents of a note or book",
		3046	},
		3047	"c/lookat" => {
		3048	id => "infobox",
		3049	title => "Look",
		3050	reply => undef,
		3051	tooltip => "What you saw there",
		3052	},
		3053	"c/who" => {
		3054	id => "infobox",
		3055	title => "Players",
		3056	reply => undef,
		3057	tooltip => "Shows players who are currently online",
		3058	},
		3059	"c/body" => {
		3060	id => "infobox",
		3061	title => "Body Parts",
		3062	reply => undef,
		3063	tooltip => "Shows which body parts you posess and are available",
		3064	},
		3065	"c/statistics" => {
		3066	id => "infobox",
		3067	title => "Statistics",
		3068	reply => undef,
		3069	tooltip => "Shows your primary statistics",
		3070	},
		3071	"c/skills" => {
		3072	id => "infobox",
		3073	title => "Skills",
		3074	reply => undef,
		3075	tooltip => "Shows your experience per skill and item power",
		3076	},
		3077	"c/shopitems" => {
		3078	id => "infobox",
		3079	title => "Shop Items",
		3080	reply => undef,
		3081	tooltip => "Shows the items currently for sale in this shop",
		3082	},
		3083	"c/resistances" => {
		3084	id => "infobox",
		3085	title => "Resistances",
		3086	reply => undef,
		3087	tooltip => "Shows your resistances",
		3088	},
		3089	"c/pets" => {
		3090	id => "infobox",
		3091	title => "Pets",
		3092	reply => undef,
		3093	tooltip => "Shows information abotu your pets/a specific pet",
		3094	},
		3095	"c/perceiveself" => {
		3096	id => "infobox",
		3097	title => "Perceive Self",
		3098	reply => undef,
		3099	tooltip => "You gained detailed knowledge about yourself",
		3100	},
		3101	"c/uptime" => {
		3102	id => "infobox",
		3103	title => "Uptime",
		3104	reply => undef,
		3105	tooltip => "How long the server has been running since last restart",
		3106	},
		3107	"c/mapinfo" => {
		3108	id => "infobox",
		3109	title => "Map Info",
		3110	reply => undef,
		3111	tooltip => "Information related to the maps",
		3112	},
		3113	"c/party" => {
		3114	id => "party",
		3115	title => "Party",
		3116	reply => "gsay ",
		3117	tooltip => "Messages and chat related to your party",
		3118	},
		3119	"c/death" => {
		3120	id => "death",
		3121	title => "Death",
		3122	reply => undef,
		3123	tooltip => "Reason for and more info about your most recent death",
		3124	},
		3125	"c/say" => $SAY_CHANNEL,
		3126	"c/chat" => $CHAT_CHANNEL,
		3127	);
		3128
		3129	sub cf::client::send_msg {
		3130	my ($self, $channel, $msg, $color, @extra) = @_;
		3131
		3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
		3134
		3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3136
		3137	# check predefined channels, for the benefit of C
		3138	if ($CHANNEL{$channel}) {
		3139	$channel = $CHANNEL{$channel};
		3140
		3141	$self->ext_msg (channel_info => $channel);
		3142	$channel = $channel->{id};
		3143
		3144	} elsif (ref $channel) {
		3145	# send meta info to client, if not yet sent
		3146	unless (exists $self->{channel}{$channel->{id}}) {
		3147	$self->{channel}{$channel->{id}} = $channel;
		3148	$self->ext_msg (channel_info => $channel);
		3149	}
		3150
		3151	$channel = $channel->{id};
		3152	}
		3153
		3154	return unless @extra || length $msg;
		3155
		3156	# default colour, mask it out
		3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3158	if $color & cf::NDI_DEF;
		3159
		3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
		3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3163	);
		3164
		3165	$self->send_big_packet ($pkt);
		3166	}
		3167
		3168	=item $client->ext_msg ($type, @msg)
		3169
		3170	Sends an ext event to the client.
		3171
		3172	=cut
		3173
		3174	sub cf::client::ext_msg($$@) {
		3175	my ($self, $type, @msg) = @_;
		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3179	} elsif ($self->extcmd == 1) { # TODO: remove
		3180	push @msg, msgtype => "event_$type";
		3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3182	}
		3183	}
		3184
		3185	=item $client->ext_reply ($msgid, @msg)
		3186
		3187	Sends an ext reply to the client.
		3188
		3189	=cut
		3190
		3191	sub cf::client::ext_reply($$@) {
		3192	my ($self, $id, @msg) = @_;
		3193
		3194	if ($self->extcmd == 2) {
		3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3196	} elsif ($self->extcmd == 1) {
		3197	#TODO: version 1, remove
		3198	unshift @msg, msgtype => "reply", msgid => $id;
		3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3200	}
		3201	}
1978		3202
1979	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
1980		3204
1981	Queues a query to the client, calling the given callback with	3205	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3206	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3207	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3208
1985	Queries can fail, so check the return code. Or don't, as queries will become	3209	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3210	become reliable at some point in the future.
1987		3211
1988	=cut	3212	=cut
1989		3213
1990	sub cf::client::query {	3214	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3215	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3223	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3224	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3225
2002	$self->send_packet ($self->{query_queue}[0][0])	3226	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3227	if @{ $self->{query_queue} } == 1;
		3228
		3229	1
2004	}	3230	}
2005		3231
2006	cf::client->attach (	3232	cf::client->attach (
		3233	on_connect => sub {
		3234	my ($ns) = @_;
		3235
		3236	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3237	},
2007	on_reply => sub {	3238	on_reply => sub {
2008	my ($ns, $msg) = @_;	3239	my ($ns, $msg) = @_;
2009		3240
2010	# this weird shuffling is so that direct followup queries	3241	# this weird shuffling is so that direct followup queries
2011	# get handled first	3242	# get handled first
…		…
2023	} else {	3254	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3255	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3256	}
2026	}	3257	}
2027	},	3258	},
		3259	on_exticmd => sub {
		3260	my ($ns, $buf) = @_;
		3261
		3262	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3263
		3264	if (ref $msg) {
		3265	my ($type, $reply, @payload) =
		3266	"ARRAY" eq ref $msg
		3267	? @$msg
		3268	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3269
		3270	my @reply;
		3271
		3272	if (my $cb = $EXTICMD{$type}) {
		3273	@reply = $cb->($ns, @payload);
		3274	}
		3275
		3276	$ns->ext_reply ($reply, @reply)
		3277	if $reply;
		3278
		3279	} else {
		3280	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3281	}
		3282
		3283	cf::override;
		3284	},
2028	);	3285	);
2029		3286
2030	=item $client->async (\&cb)	3287	=item $client->async (\&cb)
2031		3288
2032	Create a new coroutine, running the specified callback. The coroutine will	3289	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3305
2049	$coro	3306	$coro
2050	}	3307	}
2051		3308
2052	cf::client->attach (	3309	cf::client->attach (
2053	on_destroy => sub {	3310	on_client_destroy => sub {
2054	my ($ns) = @_;	3311	my ($ns) = @_;
2055		3312
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3314	},
2058	);	3315	);
…		…
2073	our $safe = new Safe "safe";	3330	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2075		3332
2076	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2077		3334
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3335	$safe->permit_only (Opcode::opset qw(
		3336	:base_core :base_mem :base_orig :base_math :base_loop
		3337	grepstart grepwhile mapstart mapwhile
		3338	sort time
		3339	));
2079		3340
2080	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
2081		3342
2082	=pod	3343	=pod
2083		3344
2084	The following fucntions and emthods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2085		3346
2086	cf::object contr pay_amount pay_player map	3347	cf::object
		3348	contr pay_amount pay_player map x y force_find force_add destroy
		3349	insert remove name archname title slaying race decrease split
		3350	value
		3351
2087	cf::object::player player	3352	cf::object::player
2088	cf::player peaceful	3353	player
2089	cf::map trigger	3354
		3355	cf::player
		3356	peaceful
		3357
		3358	cf::map
		3359	trigger
2090		3360
2091	=cut	3361	=cut
2092		3362
2093	for (	3363	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3365	insert remove inv nrof name archname title slaying race
		3366	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2098	) {	3370	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3373	for @funs;
2103	}	3374	}
2104		3375
…		…
2119		3390
2120	my $qcode = $code;	3391	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2123		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2124	local $_;	3398	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3399
2127	my $eval =	3400	my $eval =
2128	"do {\n"	3401	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3404	. $code
2132	. "\n}"	3405	. "\n}"
2133	;	3406	;
2134		3407
		3408	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2138		3417
2139	if ($@) {	3418	if ($@) {
2140	warn "$@";	3419	warn "$@",
2141	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2143	}	3422	}
2144		3423
2145	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2146	}	3425	}
2147		3426
…		…
2161	=cut	3440	=cut
2162		3441
2163	sub register_script_function {	3442	sub register_script_function {
2164	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2165		3444
2166	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2168	}	3447	}
2169		3448
2170	=back	3449	=back
2171		3450
2172	=cut	3451	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3452
2282	#############################################################################	3453	#############################################################################
2283	# the server's init and main functions	3454	# the server's init and main functions
2284		3455
		3456	sub load_facedata($) {
		3457	my ($path) = @_;
		3458
		3459	# HACK to clear player env face cache, we need some signal framework
		3460	# for this (global event?)
		3461	%ext::player_env::MUSIC_FACE_CACHE = ();
		3462
		3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3464
		3465	trace "loading facedata from $path\n";
		3466
		3467	my $facedata = decode_storable load_file $path;
		3468
		3469	$facedata->{version} == 2
		3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3471
		3472	# patch in the exptable
		3473	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3474	$facedata->{resource}{"res/exp_table"} = {
		3475	type => FT_RSRC,
		3476	data => $exp_table,
		3477	hash => (Digest::MD5::md5 $exp_table),
		3478	};
		3479	cf::cede_to_tick;
		3480
		3481	{
		3482	my $faces = $facedata->{faceinfo};
		3483
		3484	while (my ($face, $info) = each %$faces) {
		3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
		3487	cf::face::set_visibility $idx, $info->{visibility};
		3488	cf::face::set_magicmap $idx, $info->{magicmap};
		3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3492
		3493	cf::cede_to_tick;
		3494	}
		3495
		3496	while (my ($face, $info) = each %$faces) {
		3497	next unless $info->{smooth};
		3498
		3499	my $idx = cf::face::find $face
		3500	or next;
		3501
		3502	if (my $smooth = cf::face::find $info->{smooth}) {
		3503	cf::face::set_smooth $idx, $smooth;
		3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3505	} else {
		3506	error "smooth face '$info->{smooth}' not found for face '$face'";
		3507	}
		3508
		3509	cf::cede_to_tick;
		3510	}
		3511	}
		3512
		3513	{
		3514	my $anims = $facedata->{animinfo};
		3515
		3516	while (my ($anim, $info) = each %$anims) {
		3517	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3518	cf::cede_to_tick;
		3519	}
		3520
		3521	cf::anim::invalidate_all; # d'oh
		3522	}
		3523
		3524	{
		3525	my $res = $facedata->{resource};
		3526
		3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
		3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3530
		3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3532	cf::face::set_type $idx, $info->{type};
		3533	} else {
		3534	$RESOURCE{$name} = $info; # unused
		3535	}
		3536
		3537	cf::cede_to_tick;
		3538	}
		3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3542
		3543	1
		3544	}
		3545
		3546	register_exticmd fx_want => sub {
		3547	my ($ns, $want) = @_;
		3548
		3549	while (my ($k, $v) = each %$want) {
		3550	$ns->fx_want ($k, $v);
		3551	}
		3552	};
		3553
2285	sub load_resources {	3554	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3555	my $guard = lock_acquire "load_resource_file";
		3556
		3557	my $status = load_resource_file_ $_[0];
		3558	get_slot 0.1, 100;
		3559	cf::arch::commit_load;
		3560
		3561	$status
		3562	}
		3563
		3564	sub reload_regions {
		3565	# HACK to clear player env face cache, we need some signal framework
		3566	# for this (global event?)
		3567	%ext::player_env::MUSIC_FACE_CACHE = ();
		3568
		3569	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3570	or die "unable to load regions file\n";
2288	}
2289		3571
2290	sub cfg_load {	3572	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3573	$_->{match} = qr/$_->{match}/
2292	or return;	3574	if exists $_->{match};
		3575	}
		3576	}
2293		3577
2294	local $/;	3578	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3579	load_facedata "$DATADIR/facedata"
		3580	or die "unable to load facedata\n";
		3581	}
2296		3582
		3583	sub reload_archetypes {
		3584	load_resource_file "$DATADIR/archetypes"
		3585	or die "unable to load archetypes\n";
		3586	}
		3587
		3588	sub reload_treasures {
		3589	load_resource_file "$DATADIR/treasures"
		3590	or die "unable to load treasurelists\n";
		3591	}
		3592
		3593	sub reload_sound {
		3594	trace "loading sound config from $DATADIR/sound\n";
		3595
		3596	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3597
		3598	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3599	my $sound = $soundconf->{compat}[$_]
		3600	or next;
		3601
		3602	my $face = cf::face::find "sound/$sound->[1]";
		3603	cf::sound::set $sound->[0] => $face;
		3604	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3605	}
		3606
		3607	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3608	my $face = cf::face::find "sound/$v";
		3609	cf::sound::set $k => $face;
		3610	}
		3611	}
		3612
		3613	sub reload_resources {
		3614	trace "reloading resource files...\n";
		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
		3621	reload_regions;
		3622	reload_treasures;
		3623
		3624	trace "finished reloading resource files\n";
		3625	}
		3626
		3627	sub reload_config {
		3628	trace "reloading config file...\n";
		3629
		3630	my $config = load_file "$CONFDIR/config";
		3631	utf8::decode $config;
		3632	*CFG = decode_yaml $config;
		3633
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3635
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3636	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3637	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3638
2302	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
2306	};	3643	};
2307	warn $@ if $@;	3644	warn $@ if $@;
2308	}	3645	}
2309	}	3646	}
2310		3647
2311	sub init {	3648	sub pidfile() {
2312	load_resources;	3649	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3650	or die "$PIDFILE: $!";
		3651	flock $fh, &Fcntl::LOCK_EX
		3652	or die "$PIDFILE: flock: $!";
		3653	$fh
		3654	}
		3655
		3656	# make sure only one server instance is running at any one time
		3657	sub atomic {
		3658	my $fh = pidfile;
		3659
		3660	my $pid = <$fh>;
		3661	kill 9, $pid if $pid > 0;
		3662
		3663	seek $fh, 0, 0;
		3664	print $fh $$;
		3665	}
		3666
		3667	sub main_loop {
		3668	trace "EV::loop starting\n";
		3669	if (1) {
		3670	EV::loop;
		3671	}
		3672	trace "EV::loop returned\n";
		3673	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3674	}
2314		3675
2315	sub main {	3676	sub main {
		3677	cf::init_globals; # initialise logging
		3678
		3679	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3680	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3681	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3682	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3683
		3684	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3685
2316	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3688	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3689	(async {
2320	Event::one_event;	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3691	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
2322	};	3693	};
2323		3694
2324	cfg_load;	3695	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3696
		3697	cf::sync_job {
		3698	cf::incloader::init ();
		3699
		3700	cf::init_anim;
		3701	cf::init_attackmess;
		3702	cf::init_dynamic;
		3703
		3704	cf::load_settings;
		3705
		3706	reload_resources;
		3707	reload_config;
		3708	db_init;
		3709
		3710	cf::init_uuid;
		3711	cf::init_signals;
		3712	cf::init_skills;
		3713
		3714	cf::init_beforeplay;
		3715
		3716	atomic;
		3717
2326	load_extensions;	3718	load_extensions;
2327		3719
2328	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3721
		3722	# no (long-running) fork's whatsoever before this point(!)
		3723	use POSIX ();
		3724	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3725
		3726	cf::_post_init 0;
		3727	};
		3728
		3729	cf::object::thawer::errors_are_fatal 0;
		3730	info "parse errors in files are no longer fatal from this point on.\n";
		3731
		3732	my $free_main; $free_main = EV::idle sub {
		3733	undef $free_main;
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2330	}	3738	}
2331		3739
2332	#############################################################################	3740	#############################################################################
2333	# initialisation and cleanup	3741	# initialisation and cleanup
2334		3742
2335	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2336	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2345	},
2346	);	3749	};
		3750	}
		3751	}
		3752
		3753	sub write_runtime_sync {
		3754	my $t0 = AE::time;
		3755
		3756	# first touch the runtime file to show we are still running:
		3757	# the fsync below can take a very very long time.
		3758
		3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3760
		3761	my $guard = cf::lock_acquire "write_runtime";
		3762
		3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3764	or return;
		3765
		3766	my $value = $cf::RUNTIME + 90 + 10;
		3767	# 10 is the runtime save interval, for a monotonic clock
		3768	# 60 allows for the watchdog to kill the server.
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	# touch it again to show we are up-to-date
		3778	aio_utime $fh, undef, undef;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3784	and return;
		3785
		3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3787
2347	}	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2348	}	3839	}
2349		3840
2350	sub emergency_save() {	3841	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2352		3843
2353	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2354		3850
2355	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2356	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3862	$pl->save;
2364	}	3863	}
2365	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2366		3865
2367	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3871	$map->valid or next;
2371	$map->save;	3872	$map->save;
2372	}	3873	}
2373	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2374	};	3904	};
2375		3905
2376	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2377	}	3907	}
2378		3908
		3909	sub post_cleanup {
		3910	my ($make_core) = @_;
		3911
		3912	IO::AIO::flush;
		3913
		3914	error Carp::longmess "post_cleanup backtrace"
		3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
		3944	}
		3945
2379	sub reload() {	3946	sub do_reload_perl() {
2380	# can/must only be called in main	3947	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2382	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
2383	return;	3950	return;
2384	}	3951	}
2385		3952
2386	warn "reloading...";	3953	return if $RELOAD++;
2387		3954
2388	warn "cancelling server ticker";	3955	my $t1 = AE::time;
2389	$TICK_WATCHER->cancel;
2390		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
		3963	cf::sync_job {
2391	cf::emergency_save;	3964	#cf::emergency_save;
2392		3965
2393	eval {
2394	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";
2405	for (;;) {
2406	IO::AIO::flush;
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3968	%EXT_CORO = ();
2415		3969
2416	warn "removing commands";	3970	trace "perl_reload: removing commands";
2417	%COMMAND = ();	3971	%COMMAND = ();
2418		3972
2419	warn "removing ext commands";	3973	trace "perl_reload: removing ext/exti commands";
2420	%EXTCMD = ();	3974	%EXTCMD = ();
		3975	%EXTICMD = ();
2421		3976
2422	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2425		3980
2426	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2427	eval {	3982	eval {
2428	$cb->($pkg);	3983	$cb->($pkg);
2429	1	3984	1
2430	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2431	}	3990	}
2432		3991
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3995
2441	warn "... unloading $k";	3996	trace "... unloading $k";
2442	delete $INC{$k};	3997	delete $INC{$k};
2443		3998
2444	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
2446		4001
2447	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
2449	}	4007	}
2450		4008
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		4012
2458	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
		4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		4016
2461	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
2462	# and global variables created in xs	4018	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
2464		4020
2465	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
2466		4022
2467	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
2468	require cf;	4024	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
2470		4026
2471	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
2472	cf::cfg_load;	4028	cf::reload_config;
2473	cf::db_load;
2474		4029
2475	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
2476	cf::load_extensions;	4031	cf::load_extensions;
2477		4032
		4033	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
2479	_global_reattach;	4035	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
2481	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
		4038	trace "perl_reload: reattaching attachments to players";
		4039	reattach $_ for values %PLAYER;
		4040	}
2482		4041
2483	warn "loading reloadable resources";	4042	cf::_post_init 1;
2484	load_resources;
2485		4043
2486	warn "restarting server ticker";	4044	trace "perl_reload: leaving sync_job";
2487		4045
2488	$TICK_WATCHER->start;	4046	1
		4047	} or do {
		4048	error $@;
		4049	cf::cleanup "perl_reload: error, exiting.";
		4050	};
		4051
		4052	--$RELOAD;
		4053	}
		4054
		4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
		4057	};
		4058
		4059	our $RELOAD_WATCHER; # used only during reload
		4060
		4061	sub reload_perl() {
		4062	# doing reload synchronously and two reloads happen back-to-back,
		4063	# coro crashes during coro_state_free->destroy here.
		4064
		4065	$RELOAD_WATCHER ||= cf::async {
		4066	Coro::AIO::aio_wait cache_extensions;
		4067
		4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4069	do_reload_perl;
		4070	undef $RELOAD_WATCHER;
		4071	};
2489	};	4072	};
2490		4073	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		4074
2502	register_command "reload" => sub {	4075	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
2504		4077
2505	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
2507		4080	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4081	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	4082	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4083	};
2520	}	4084	}
2521	};	4085	};
2522		4086
2523	unshift @INC, $LIBDIR;	4087	#############################################################################
2524		4088
2525	my $bug_warning = 0;	4089	my $bug_warning = 0;
2526		4090
2527	$TICK_WATCHER = Event->timer (	4091	our @WAIT_FOR_TICK;
2528	reentrant => 0,	4092	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	4093
2530	prio => 0,	4094	sub wait_for_tick() {
2531	at => $NEXT_TICK || $TICK,	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	4096
2533	cb => sub {	4097	my $signal = new Coro::Signal;
		4098	push @WAIT_FOR_TICK, $signal;
		4099	$signal->wait;
		4100	}
		4101
		4102	sub wait_for_tick_begin() {
		4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4104
		4105	my $signal = new Coro::Signal;
		4106	push @WAIT_FOR_TICK_BEGIN, $signal;
		4107	$signal->wait;
		4108	}
		4109
		4110	sub tick {
2534	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
2537	return;	4114	return;
2538	}	4115	}
2539		4116
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		4118
2546	$WAIT_FOR_TICK->broadcast;	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4120
2549	Event::sweep;	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2550	Coro::cede_notself;	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4123	Coro::async_pool {
		4124	$Coro::current->{desc} = "runtime saver";
		4125	write_runtime_sync
		4126	or error "ERROR: unable to write runtime file: $!";
		4127	};
		4128	}
		4129
		4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4131	$sig->send;
		4132	}
		4133	while (my $sig = shift @WAIT_FOR_TICK) {
		4134	$sig->send;
		4135	}
		4136
		4137	$LOAD = ($NOW - $TICK_START) / $TICK;
		4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4139
		4140	if (0) {
		4141	if ($NEXT_TICK) {
		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
2551		4145	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	4146	}
2561	);	4147	}
2562		4148
2563	{	4149	{
2564	BDB::max_poll_time $TICK * 0.1;	4150	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4151
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
2574		4153	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4154	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		4155
2590	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4157	$DB_ENV = BDB::db_env_create;
		4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4159	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4160	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4163
2593	cf::sync_job {	4164	cf::sync_job {
		4165	eval {
2594	BDB::db_env_open	4166	BDB::db_env_open
2595	$DB_ENV,	4167	$DB_ENV,
2596	$BDB_ENV_DIR,	4168	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4169	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4170	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4171	0666;
2600		4172
2601	cf::cleanup "$!" if $!;	4173	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4174	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4175
2604	$DB_ENV->set_lk_detect;	4176	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4177	};
2606	}	4178	}
		4179
		4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4181	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4182	};
		4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4185	};
		4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4188	};
2607	}	4189	}
2608		4190
2609	{	4191	{
		4192	# configure IO::AIO
		4193
2610	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	4197	}
2623		4198
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4199	our $_log_backtrace;
2625	reentrant => 0,	4200	our $_log_backtrace_last;
2626	data => WF_AUTOCANCEL,	4201
2627	after => 1,	4202	sub _log_backtrace {
2628	interval => 10,	4203	my ($msg, @addr) = @_;
2629	prio => 6, # keep it lowest so it acts like a watchdog	4204
2630	cb => Coro::unblock_sub {	4205	$msg =~ s/\n$//;
2631	write_runtime	4206
2632	or warn "ERROR: unable to write runtime file: $!";	4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4210	# limit the # of concurrent backtraces
		4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
		4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
		4215	async {
		4216	$Coro::current->{desc} = "abt $msg";
		4217
		4218	my @bt = fork_call {
		4219	@addr = map { sprintf "%x", $_ } @addr;
		4220	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4221	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4222	or die "addr2line: $!";
		4223
		4224	my @funcs;
		4225	my @res = <$fh>;
		4226	chomp for @res;
		4227	while (@res) {
		4228	my ($func, $line) = splice @res, 0, 2, ();
		4229	push @funcs, "[$func] $line";
		4230	}
		4231
		4232	@funcs
		4233	};
		4234
		4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4237	LOG llevInfo, "[ABT] $_\n" for @bt;
		4238	--$_log_backtrace;
		4239	};
		4240	} else {
		4241	LOG llevInfo, "[ABT] $msg\n";
		4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2633	},	4243	}
2634	);	4244	}
		4245
		4246	# load additional modules
		4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
2635		4249
2636	END { cf::emergency_save }	4250	END { cf::emergency_save }
2637		4251
2638	1	4252	1
2639		4253

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