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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 1.560 by root, Fri Apr 22 02:03:12 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
		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	}
935	}	1562	};
936	}	1563	}
937		1564
938	#############################################################################	1565	#############################################################################
939		1566
		1567	=back
		1568
940	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
941		1570
942	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
943		1572
944	=cut	1573	=cut
945		1574
946	package cf::player;	1575	package cf::player;
947		1576
…		…
949		1578
950	=head3 cf::player	1579	=head3 cf::player
951		1580
952	=over 4	1581	=over 4
953		1582
		1583	=item cf::player::num_playing
		1584
		1585	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1586
		1587	=cut
		1588
		1589	sub num_playing {
		1590	scalar grep
		1591	$_->ob->map
		1592	&& !$_->hidden
		1593	&& !$_->ob->flag (cf::FLAG_WIZ),
		1594	cf::player::list
		1595	}
		1596
954	=item cf::player::find $login	1597	=item cf::player::find $login
955		1598
956	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
957		1600
958	=cut	1601	=cut
959		1602
960	sub playerdir($) {	1603	sub playerdir($) {
961	cf::localdir	1604	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1605	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1606	}
967		1607
968	sub path($) {	1608	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1609	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1610
971	(playerdir $login) . "/$login.pl"	1611	(playerdir $login) . "/playerdata"
972	}	1612	}
973		1613
974	sub find_active($) {	1614	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1615	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1616	and $cf::PLAYER{$_[0]}->active
…		…
979		1619
980	sub exists($) {	1620	sub exists($) {
981	my ($login) = @_;	1621	my ($login) = @_;
982		1622
983	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
985	}	1625	}
986		1626
987	sub find($) {	1627	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1629	my $login = $_[0];
990		1630
991	my $guard = cf::lock_acquire "user_find:$login";	1631	my $guard = cf::lock_acquire "user_find:$login";
992		1632
993	$cf::PLAYER{$_[0]} || do {	1633	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1634	# rename old playerfiles to new ones
		1635	#TODO: remove when no longer required
		1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1639	aio_unlink +(playerdir $login) . "/$login.pl";
		1640
		1641	my $f = new_from_file cf::object::thawer path $login
995	or return;	1642	or return;
		1643
		1644	my $pl = cf::player::load_pl $f
		1645	or return;
		1646
		1647	local $cf::PLAYER_LOADING{$login} = $pl;
		1648	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
997	}	1650	}
998	}	1651	}
999	}	1652	}
		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
1000		1666
1001	sub save($) {	1667	sub save($) {
1002	my ($pl) = @_;	1668	my ($pl) = @_;
1003		1669
1004	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1010		1676
1011	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1013		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1684
1014	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1015	Coro::cede;	1686	cf::cede_to_tick;
1016	}	1687	}
1017		1688
1018	sub new($) {	1689	sub new($) {
1019	my ($login) = @_;	1690	my ($login) = @_;
1020		1691
…		…
1026	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1027		1698
1028	$self	1699	$self
1029	}	1700	}
1030		1701
		1702	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1703
		1704	=cut
		1705
		1706	sub send_msg {
		1707	my $ns = shift->ns
		1708	or return;
		1709	$ns->send_msg (@_);
		1710	}
		1711
1031	=item $pl->quit_character	1712	=item $pl->quit_character
1032		1713
1033	Nukes the player without looking back. If logged in, the connection will	1714	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1035		1716
1036	=cut	1717	=cut
1037		1718
1038	sub quit_character {	1719	sub quit_character {
1039	my ($pl) = @_;	1720	my ($pl) = @_;
1040		1721
		1722	my $name = $pl->ob->name;
		1723
1041	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1726
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1045	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1047	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1048		1735
1049	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1739	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1740	$pl->destroy;
		1741
		1742	my $prefix = qr<^~\Q$name\E/>;
		1743
		1744	# nuke player maps
		1745	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1746
1054	IO::AIO::aio_rmtree $temp;	1747	IO::AIO::aio_rmtree $temp;
		1748	}
		1749
		1750	=item $pl->kick
		1751
		1752	Kicks a player out of the game. This destroys the connection.
		1753
		1754	=cut
		1755
		1756	sub kick {
		1757	my ($pl, $kicker) = @_;
		1758
		1759	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1760	$pl->killer ("kicked");
		1761	$pl->ns->destroy;
1055	}	1762	}
1056		1763
1057	=item cf::player::list_logins	1764	=item cf::player::list_logins
1058		1765
1059	Returns am arrayref of all valid playernames in the system, can take a	1766	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1767	while and may block, so not sync_job-capable, ever.
1061		1768
1062	=cut	1769	=cut
1063		1770
1064	sub list_logins {	1771	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1772	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1773	or return [];
1067		1774
1068	my @logins;	1775	my @logins;
1069		1776
1070	for my $login (@$dirs) {	1777	for my $login (@$dirs) {
		1778	my $path = path $login;
		1779
		1780	# a .pst is a dead give-away for a valid player
		1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1074		1787
1075	utf8::decode $login;	1788	utf8::decode $login;
1076	push @logins, $login;	1789	push @logins, $login;
1077	}	1790	}
1078		1791
1079	\@logins	1792	\@logins
1080	}	1793	}
1081		1794
1082	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1083		1798
1084	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1085	player. May block.	1800	player. May block.
1086		1801
1087	=cut	1802	=cut
…		…
1105	}	1820	}
1106		1821
1107	\@paths	1822	\@paths
1108	}	1823	}
1109		1824
		1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1826
		1827	Expand deliantra pod fragments into protocol xml.
		1828
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1829	=item $player->ext_reply ($msgid, @msg)
1111		1830
1112	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1113		1832
1114	=cut	1833	=cut
1115		1834
1116	sub ext_reply($$$%) {	1835	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1118		1837
1119	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1839	}
1123		1840
1124	package cf;	1841	=item $player->ext_msg ($type, @msg)
		1842
		1843	Sends an ext event to the client.
		1844
		1845	=cut
		1846
		1847	sub ext_msg($$@) {
		1848	my ($self, $type, @msg) = @_;
		1849
		1850	$self->ns->ext_msg ($type, @msg);
		1851	}
		1852
		1853	=head3 cf::region
		1854
		1855	=over 4
		1856
		1857	=cut
		1858
		1859	package cf::region;
		1860
		1861	=item cf::region::find_by_path $path
		1862
		1863	Tries to decuce the likely region for a map knowing only its path.
		1864
		1865	=cut
		1866
		1867	sub find_by_path($) {
		1868	my ($path) = @_;
		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
		1871
		1872	my ($match, $specificity);
		1873
		1874	for my $region (list) {
		1875	if ($region->{match} && $path =~ $region->{match}) {
		1876	($match, $specificity) = ($region, $region->specificity)
		1877	if $region->specificity > $specificity;
		1878	}
		1879	}
		1880
		1881	$match
		1882	}
1125		1883
1126	=back	1884	=back
1127
1128		1885
1129	=head3 cf::map	1886	=head3 cf::map
1130		1887
1131	=over 4	1888	=over 4
1132		1889
…		…
1144	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1146		1903
1147	sub generate_random_map {	1904	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1149	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1150	$self->_create_random_map (	1909	$self->_create_random_map ($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}), $rmp->{custom}
1162	)
1163	}	1910	}
1164		1911
1165	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1166		1913
1167	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1172		1919
1173	sub register {	1920	sub register {
1174	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	1922	my $pkg = caller;
1176		1923
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		1925
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	1927	}
1182		1928
1183	# also paths starting with '/'	1929	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		1931
1186	sub thawer_merge {	1932	sub thawer_merge {
1187	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1188		1934
1189	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
1190	local $self->{path};	1936	local $self->{path};
1191	local $self->{load_path};	1937	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1938
1195	$self->SUPER::thawer_merge ($merge);	1939	$self->SUPER::thawer_merge ($merge);
1196	}	1940	}
1197		1941
1198	sub normalise {	1942	sub normalise {
1199	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1200		1944
1201	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1202		1946
1203	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1204		1948
1205	# map plan:	1949	# map plan:
1206	#	1950	#
…		…
1221	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1222	$path = "$base/$path";	1966	$path = "$base/$path";
1223	}	1967	}
1224		1968
1225	for ($path) {	1969	for ($path) {
1226	redo if s{//}{/};
1227	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1228	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1229	}	1972	}
1230		1973
1231	$path	1974	$path
…		…
1245	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1246	return $self;	1989	return $self;
1247	}	1990	}
1248	}	1991	}
1249		1992
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	1994	()
1252	}	1995	}
1253		1996
1254	sub init {	1997	sub init {
1255	my ($self) = @_;	1998	my ($self) = @_;
…		…
1270		2013
1271	# the original (read-only) location	2014	# the original (read-only) location
1272	sub load_path {	2015	sub load_path {
1273	my ($self) = @_;	2016	my ($self) = @_;
1274		2017
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2018	"$MAPDIR/$self->{path}.map"
1276	}	2019	}
1277		2020
1278	# the temporary/swap location	2021	# the temporary/swap location
1279	sub save_path {	2022	sub save_path {
1280	my ($self) = @_;	2023	my ($self) = @_;
1281		2024
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2026	"$TMPDIR/$path.map"
1284	}	2027	}
1285		2028
1286	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1287	sub uniq_path {	2030	sub uniq_path {
1288	my ($self) = @_;	2031	my ($self) = @_;
1289		2032
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2034	"$UNIQUEDIR/$path"
1292	}	2035	}
1293		2036
1294	# and all this just because we cannot iterate over	2037	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	2038	my ($self) = @_;
1298		2039
1299	$_->change_map_light ($change)	2040	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	2041
		2042	$self->do_decay_objects;
1301	}	2043	}
1302		2044
1303	sub unlink_save {	2045	sub unlink_save {
1304	my ($self) = @_;	2046	my ($self) = @_;
1305		2047
1306	utf8::encode (my $save = $self->save_path);	2048	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2049	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2050	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	}	2051	}
1315		2052
1316	sub load_header_from($) {	2053	sub load_header_from($) {
1317	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1318		2055
1319	utf8::encode $path;	2056	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	2058	or return;
		2059
		2060	$self->_load_header ($f)
		2061	or return;
		2062
		2063	local $MAP_LOADING{$self->{path}} = $self;
		2064	$f->resolve_delayed_derefs;
1325		2065
1326	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1327		2067
1328	1	2068	1
1329	}	2069	}
…		…
1368	$self->load_header_orig	2108	$self->load_header_orig
1369	or return;	2109	or return;
1370	$self->prepare_orig;	2110	$self->prepare_orig;
1371	}	2111	}
1372		2112
		2113	$self->{deny_reset} = 1
		2114	if $self->no_reset;
		2115
		2116	$self->default_region (cf::region::find_by_path $self->{path})
		2117	unless $self->default_region;
		2118
1373	1	2119	1
1374	}	2120	}
1375		2121
1376	sub find;	2122	sub find;
1377	sub find {	2123	sub find {
1378	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1379		2125
		2126	cf::cede_to_tick;
		2127
1380	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1381		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2132
1384	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1387	or return;	2135	or return;
1388		2136
1389	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1390		2138
1391	$map->load_header	2139	$map->load_header
1392	or return;	2140	or return;
1393		2141
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1397	$map->reset;	2147	$map->reset;
1398	undef $guard;
1399	return find $path;	2148	return find $path;
1400	}	2149	}
1401		2150
1402	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1403	}	2152	}
1404	}	2153	}
1405		2154
1406	sub pre_load { }	2155	sub pre_load { }
1407	sub post_load { }	2156	#sub post_load { } # XS
1408		2157
1409	sub load {	2158	sub load {
1410	my ($self) = @_;	2159	my ($self) = @_;
1411		2160
1412	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
1413		2162
1414	my $path = $self->{path};	2163	my $path = $self->{path};
		2164
		2165	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1416		2167
		2168	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2170
1419	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1420		2172
1421	$self->alloc;	2173	$self->alloc;
1422		2174
1423	$self->pre_load;	2175	$self->pre_load;
		2176	cf::cede_to_tick;
1424		2177
1425	$self->_load_objects ($self->{load_path}, 1)	2178	my $f = new_from_file cf::object::thawer $self->{load_path};
		2179	$f->skip_block;
		2180	$self->_load_objects ($f)
1426	or return;	2181	or return;
1427		2182
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1429	if delete $self->{load_original};	2184	if delete $self->{load_original};
1430		2185
1431	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2187	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2190	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1436	}	2194	}
1437	}	2195	}
1438		2196
1439	Coro::cede;	2197	$f->resolve_delayed_derefs;
1440		2198
		2199	cf::cede_to_tick;
1441	# now do the right thing for maps	2200	# now do the right thing for maps
1442	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1443
1444	unless ($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)	2202	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2203	unless $self->difficulty;
1452	Coro::cede;	2204	cf::cede_to_tick;
		2205
		2206	unless ($self->{deny_activate}) {
		2207	$self->decay_objects;
		2208	$self->fix_auto_apply;
		2209	$self->update_buttons;
		2210	cf::cede_to_tick;
1453	$self->activate;	2211	$self->activate;
		2212	}
		2213
		2214	$self->{last_save} = $cf::RUNTIME;
		2215	$self->last_access ($cf::RUNTIME);
		2216
		2217	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2218	}
1455		2219
1456	$self->post_load;	2220	$self->post_load;
1457		2221
1458	$self->in_memory (cf::MAP_IN_MEMORY);	2222	1
1459	}	2223	}
1460		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2228	sub customise_for {
1462	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1463		2230
1464	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2232	if $self->per_player;
1466		2233
		2234	# return find "?party/" . $ob->name . "/" . $self->{path}
		2235	# if $self->per_party;
		2236
1467	$self	2237	$self
1468	}	2238	}
1469		2239
1470	# find and load all maps in the 3x3 area around a map	2240	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2241	sub load_neighbours {
1472	my ($map) = @_;	2242	my ($map) = @_;
1473		2243
1474	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1475		2245
1476	for (0 .. 3) {	2246	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1478	or next;	2248	or next;
1479	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1480	or next;	2250	or next;
1481	$neigh->load;	2251	$neigh->load;
1482		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2257	}
1486		2258
1487	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1489	or next;	2262	or next;
1490	$neigh->load;	2263	$neigh->load;
1491	}	2264	}
1492	}	2265	}
1493		2266
1494	sub find_sync {	2267	sub find_sync {
1495	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1496		2269
1497	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
1498	}	2274	}
1499		2275
1500	sub do_load_sync {	2276	sub do_load_sync {
1501	my ($map) = @_;	2277	my ($map) = @_;
1502		2278
1503	cf::sync_job { $map->load };	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2280	if $Coro::current == $Coro::main;
		2281
		2282	$map->load;
1504	}	2283	}
1505		2284
1506	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1508		2287
1509	sub find_async {	2288	sub find_async {
1510	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1511		2290
1512	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1513		2292
1514	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2295	}
1517		2296
1518	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1519	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1520	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2304	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2305	$map->load if $v;
		2306	}
1525		2307
1526	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1527	}	2309	}
1528	}	2310	}
1529	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1530	};	2312	};
1531	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1532		2314
1533	()	2315	()
1534	}	2316	}
1535		2317
		2318	# common code, used by both ->save and ->swapout
1536	sub save {	2319	sub _save {
1537	my ($self) = @_;	2320	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2321
1541	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1542		2323
1543	return unless $self->dirty;	2324	return unless $self->dirty;
1544		2325
…		…
1550	return if $self->{deny_save};	2331	return if $self->{deny_save};
1551		2332
1552	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1553		2334
1554	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1556	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1557		2341
1558	if ($uniq) {	2342	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2345	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2347	}
1564	}	2348	}
1565		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1566	sub swap_out {	2358	sub swap_out {
1567	my ($self) = @_;	2359	my ($self) = @_;
1568		2360
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1574	return if $self->players;	2365	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
		2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
1578	$self->clear;	2376	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2377	}
1581		2378
1582	sub reset_at {	2379	sub reset_at {
1583	my ($self) = @_;	2380	my ($self) = @_;
1584		2381
1585	# TODO: safety, remove and allow resettable per-player maps	2382	# 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};	2383	return 1e99 if $self->{deny_reset};
1588		2384
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2386	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2387
…		…
1602	my ($self) = @_;	2398	my ($self) = @_;
1603		2399
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2401
1606	return if $self->players;	2402	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2403
1609	warn "resetting map ", $self->path;#d#	2404	cf::trace "resetting map ", $self->path, "\n";
		2405
		2406	$self->in_memory (cf::MAP_SWAPPED);
		2407
		2408	# need to save uniques path
		2409	unless ($self->{deny_save}) {
		2410	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2411
		2412	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2413	if $uniq;
		2414	}
1610		2415
1611	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
1612		2417
1613	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2420	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2421
1618	$self->unlink_save;	2422	$self->unlink_save;
1619	$self->destroy;	2423	$self->destroy;
1620	}	2424	}
1621		2425
1622	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
1623		2427
1624	sub nuke {	2428	sub nuke {
1625	my ($self) = @_;	2429	my ($self) = @_;
1626		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
1627	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
1628		2435
1629	$self->unlink_save;	2436	$self->unlink_save;
1630		2437
1631	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2443
1637	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
1638		2446
1639	$self->reset; # polite request, might not happen	2447	$self->reset; # polite request, might not happen
		2448	}
		2449
		2450	=item $maps = cf::map::tmp_maps
		2451
		2452	Returns an arrayref with all map paths of currently instantiated and saved
		2453	maps. May block.
		2454
		2455	=cut
		2456
		2457	sub tmp_maps() {
		2458	[
		2459	map {
		2460	utf8::decode $_;
		2461	/\.map$/
		2462	? normalise $_
		2463	: ()
		2464	} @{ aio_readdir $TMPDIR or [] }
		2465	]
		2466	}
		2467
		2468	=item $maps = cf::map::random_maps
		2469
		2470	Returns an arrayref with all map paths of currently instantiated and saved
		2471	random maps. May block.
		2472
		2473	=cut
		2474
		2475	sub random_maps() {
		2476	[
		2477	map {
		2478	utf8::decode $_;
		2479	/\.map$/
		2480	? normalise "?random/$_"
		2481	: ()
		2482	} @{ aio_readdir $RANDOMDIR or [] }
		2483	]
1640	}	2484	}
1641		2485
1642	=item cf::map::unique_maps	2486	=item cf::map::unique_maps
1643		2487
1644	Returns an arrayref of paths of all shared maps that have	2488	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2489	instantiated unique items. May block.
1646		2490
1647	=cut	2491	=cut
1648		2492
1649	sub unique_maps() {	2493	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2494	[
1651	or return;	2495	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2496	utf8::decode $_;
1657	next if /\.pst$/;	2497	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2499	? ()
1660	push @paths, cf::map::normalise $_;	2500	: normalise $_
		2501	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2502	]
1662
1663	\@paths
1664	}	2503	}
1665		2504
1666	package cf;	2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
1667		2536
1668	=back	2537	=back
1669		2538
1670	=head3 cf::object	2539	=head3 cf::object
1671		2540
…		…
1675		2544
1676	=over 4	2545	=over 4
1677		2546
1678	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
1679		2548
1680	Returns the inventory of the object _and_ their inventories, recursively.	2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
1681		2551
1682	=cut	2552	=cut
1683		2553
1684	sub inv_recursive_;	2554	sub inv_recursive_;
1685	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
1688		2558
1689	sub inv_recursive {	2559	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
1691	}	2561	}
1692		2562
		2563	=item $ref = $ob->ref
		2564
		2565	Creates and returns a persistent reference to an object that can be stored as a string.
		2566
		2567	=item $ob = cf::object::deref ($refstring)
		2568
		2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2570	even if the object actually exists. May block.
		2571
		2572	=cut
		2573
		2574	sub deref {
		2575	my ($ref) = @_;
		2576
		2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2578	my ($uuid, $name) = ($1, $2);
		2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2580	or return;
		2581	$pl->ob->uuid eq $uuid
		2582	or return;
		2583
		2584	$pl->ob
		2585	} else {
		2586	warn "$ref: cannot resolve object reference\n";
		2587	undef
		2588	}
		2589	}
		2590
1693	package cf;	2591	package cf;
1694		2592
1695	=back	2593	=back
1696		2594
1697	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2601	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2602	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
1706		2604
1707	=cut	2605	=cut
		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
1708		2620
1709	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2622	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
1714		2626
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2627	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2628
1717	if ($self->{record_replies}) {	2629	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2630	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2631
1719	} else {	2632	} else {
		2633	my $pl = $self->contr;
		2634
		2635	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2636	my $dialog = $pl->{npc_dialog};
		2637	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2638
		2639	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2642	}
1722	}	2643	}
		2644	}
		2645
		2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2647
		2648	=cut
		2649
		2650	sub cf::object::send_msg {
		2651	my $pl = shift->contr
		2652	or return;
		2653	$pl->send_msg (@_);
1723	}	2654	}
1724		2655
1725	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
1726		2657
1727	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
1740		2671
1741	=item $player_object->enter_link	2672	=item $player_object->enter_link
1742		2673
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2675
1745	The player should be reasonably safe there for short amounts of time. You	2676	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
1747		2680
1748	Will never block.	2681	Will never block.
1749		2682
1750	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
1751		2684
…		…
1771	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2705	my ($self) = @_;
1773		2706
1774	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
1775		2708
		2709	++$self->{_link_recursion};
		2710
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2712
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2714	if $self->map && $self->map->{path} ne "{link}";
1780		2715
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2717	}
1783		2718
1784	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
		2721
		2722	return unless $self->contr->active;
1786		2723
1787	my $link_pos = delete $self->{_link_pos};	2724	my $link_pos = delete $self->{_link_pos};
1788		2725
1789	unless ($map) {	2726	unless ($map) {
1790	# restore original map position	2727	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
1803		2740
1804	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
1807		2744
1808	$map->load;	2745	$map->load;
1809	$map->load_diag;	2746	$map->load_neighbours;
1810		2747
1811	return unless $self->contr->active;	2748	return unless $self->contr->active;
		2749
		2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2751	if ($self->enter_map ($map, $x, $y)) {
		2752	# entering was successful
		2753	delete $self->{_link_recursion};
		2754	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2755	$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	$pl->ob->leave_link
1824	};
1825	}
1826	},	2756	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2757
1830	# try to abort aborted map switching on player login :)	2758	}
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		2759
1848	=item $player_object->goto ($path, $x, $y)	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2761
		2762	Moves the player to the given map-path and coordinates by first freezing
		2763	her, loading and preparing them map, calling the provided $check callback
		2764	that has to return the map if sucecssful, and then unfreezes the player on
		2765	the new (success) or old (failed) map position. In either case, $done will
		2766	be called at the end of this process.
		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
		2770
1850	=cut	2771	=cut
		2772
		2773	our $GOTOGEN;
1851		2774
1852	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
		2783
		2784	# do generation counting so two concurrent goto's will be executed in-order
		2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2786
1855	$self->enter_link;	2787	$self->enter_link;
1856		2788
1857	(async {	2789	(async {
		2790	$Coro::current->{desc} = "player::goto $path $x $y";
		2791
		2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
1858	my $map = eval {	2811	my $map = eval {
1859	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
		2813
		2814	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2815	$map = $map->customise_for ($self);
		2816	$map = $check->($map, $x, $y, $self) if $check && $map;
		2817	} else {
		2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2819	}
		2820
1861	$map	2821	$map
		2822	};
		2823
		2824	if ($@) {
		2825	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2826	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2827	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2828
		2829	if ($gen == $self->{_goto_generation}) {
		2830	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
		2832	}
		2833
		2834	$done->($self) if $done;
1866	})->prio (1);	2835	})->prio (1);
1867	}	2836	}
1868		2837
1869	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
1870		2839
…		…
1890	}	2859	}
1891		2860
1892	sub prepare_random_map {	2861	sub prepare_random_map {
1893	my ($exit) = @_;	2862	my ($exit) = @_;
1894		2863
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2866	# that depends on the exit object
1900		2867
1901	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2870	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
1908	}	2877	}
1909		2878
1910	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
1911		2880
1912	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
1915		2884
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2887	undef $fh;
1919	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
1920		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
1923	}	2896	}
1924	}	2897	}
1925		2898
1926	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
1928		2901
1929	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
1930		2903
1931	if ($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;	2904	$self->enter_link;
1941		2905
1942	(async {	2906	(async {
1943	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
1944	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
		2916	prepare_random_map $exit
		2917	if $exit->slaying eq "/!";
		2918	}
		2919
		2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
		2923
1945	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
1946		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
1947	1;	2930	1
1948	}) {	2931	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2936
1954	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	2938	$self->leave_link;
1956	}	2939	}
1957	})->prio (1);	2940	})->prio (1);
1958	}	2941	}
1959		2942
…		…
1970		2953
1971	sub cf::client::send_drawinfo {	2954	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2955	my ($self, $text, $flags) = @_;
1973		2956
1974	utf8::encode $text;	2957	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2959	}
1977		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
		2984	}
		2985
		2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2987
		2988	Send a drawinfo or msg packet to the client, formatting the msg for the
		2989	client if neccessary. C<$type> should be a string identifying the type of
		2990	the message, with C<log> being the default. If C<$color> is negative, suppress
		2991	the message unless the client supports the msg packet.
		2992
		2993	=cut
		2994
		2995	# non-persistent channels (usually the info channel)
		2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
		3003	"c/identify" => {
		3004	id => "infobox",
		3005	title => "Identify",
		3006	reply => undef,
		3007	tooltip => "Items recently identified",
		3008	},
		3009	"c/examine" => {
		3010	id => "infobox",
		3011	title => "Examine",
		3012	reply => undef,
		3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
		3107	);
		3108
		3109	sub cf::client::send_msg {
		3110	my ($self, $channel, $msg, $color, @extra) = @_;
		3111
		3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
		3114
		3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3116
		3117	# check predefined channels, for the benefit of C
		3118	if ($CHANNEL{$channel}) {
		3119	$channel = $CHANNEL{$channel};
		3120
		3121	$self->ext_msg (channel_info => $channel);
		3122	$channel = $channel->{id};
		3123
		3124	} elsif (ref $channel) {
		3125	# send meta info to client, if not yet sent
		3126	unless (exists $self->{channel}{$channel->{id}}) {
		3127	$self->{channel}{$channel->{id}} = $channel;
		3128	$self->ext_msg (channel_info => $channel);
		3129	}
		3130
		3131	$channel = $channel->{id};
		3132	}
		3133
		3134	return unless @extra || length $msg;
		3135
		3136	# default colour, mask it out
		3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3138	if $color & cf::NDI_DEF;
		3139
		3140	my $pkt = "msg "
		3141	. $self->{json_coder}->encode (
		3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3143	);
		3144
		3145	$self->send_big_packet ($pkt);
		3146	}
		3147
		3148	=item $client->ext_msg ($type, @msg)
		3149
		3150	Sends an ext event to the client.
		3151
		3152	=cut
		3153
		3154	sub cf::client::ext_msg($$@) {
		3155	my ($self, $type, @msg) = @_;
		3156
		3157	if ($self->extcmd == 2) {
		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
		3160	push @msg, msgtype => "event_$type";
		3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		3172	my ($self, $id, @msg) = @_;
		3173
		3174	if ($self->extcmd == 2) {
		3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3176	} elsif ($self->extcmd == 1) {
		3177	#TODO: version 1, remove
		3178	unshift @msg, msgtype => "reply", msgid => $id;
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
1978		3182
1979	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
1980		3184
1981	Queues a query to the client, calling the given callback with	3185	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>,	3186	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>.	3187	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3188
1985	Queries can fail, so check the return code. Or don't, as queries will become	3189	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3190	become reliable at some point in the future.
1987		3191
1988	=cut	3192	=cut
1989		3193
1990	sub cf::client::query {	3194	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3195	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3203	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3204	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3205
2002	$self->send_packet ($self->{query_queue}[0][0])	3206	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3207	if @{ $self->{query_queue} } == 1;
		3208
		3209	1
2004	}	3210	}
2005		3211
2006	cf::client->attach (	3212	cf::client->attach (
		3213	on_connect => sub {
		3214	my ($ns) = @_;
		3215
		3216	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3217	},
2007	on_reply => sub {	3218	on_reply => sub {
2008	my ($ns, $msg) = @_;	3219	my ($ns, $msg) = @_;
2009		3220
2010	# this weird shuffling is so that direct followup queries	3221	# this weird shuffling is so that direct followup queries
2011	# get handled first	3222	# get handled first
…		…
2023	} else {	3234	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3235	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3236	}
2026	}	3237	}
2027	},	3238	},
		3239	on_exticmd => sub {
		3240	my ($ns, $buf) = @_;
		3241
		3242	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3243
		3244	if (ref $msg) {
		3245	my ($type, $reply, @payload) =
		3246	"ARRAY" eq ref $msg
		3247	? @$msg
		3248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3249
		3250	my @reply;
		3251
		3252	if (my $cb = $EXTICMD{$type}) {
		3253	@reply = $cb->($ns, @payload);
		3254	}
		3255
		3256	$ns->ext_reply ($reply, @reply)
		3257	if $reply;
		3258
		3259	} else {
		3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3261	}
		3262
		3263	cf::override;
		3264	},
2028	);	3265	);
2029		3266
2030	=item $client->async (\&cb)	3267	=item $client->async (\&cb)
2031		3268
2032	Create a new coroutine, running the specified callback. The coroutine will	3269	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3285
2049	$coro	3286	$coro
2050	}	3287	}
2051		3288
2052	cf::client->attach (	3289	cf::client->attach (
2053	on_destroy => sub {	3290	on_client_destroy => sub {
2054	my ($ns) = @_;	3291	my ($ns) = @_;
2055		3292
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3294	},
2058	);	3295	);
…		…
2073	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2075		3312
2076	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2077		3314
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2079		3320
2080	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2081		3322
2082	=pod	3323	=pod
2083		3324
2084	The following fucntions and emthods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2085		3326
2086	cf::object contr pay_amount pay_player map	3327	cf::object
		3328	contr pay_amount pay_player map x y force_find force_add destroy
		3329	insert remove name archname title slaying race decrease split
		3330	value
		3331
2087	cf::object::player player	3332	cf::object::player
2088	cf::player peaceful	3333	player
2089	cf::map trigger	3334
		3335	cf::player
		3336	peaceful
		3337
		3338	cf::map
		3339	trigger
2090		3340
2091	=cut	3341	=cut
2092		3342
2093	for (	3343	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2098	) {	3350	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3353	for @funs;
2103	}	3354	}
2104		3355
…		…
2119		3370
2120	my $qcode = $code;	3371	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2123		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2124	local $_;	3378	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3379
2127	my $eval =	3380	my $eval =
2128	"do {\n"	3381	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3384	. $code
2132	. "\n}"	3385	. "\n}"
2133	;	3386	;
2134		3387
		3388	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2138		3397
2139	if ($@) {	3398	if ($@) {
2140	warn "$@";	3399	warn "$@",
2141	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2143	}	3402	}
2144		3403
2145	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2146	}	3405	}
2147		3406
…		…
2161	=cut	3420	=cut
2162		3421
2163	sub register_script_function {	3422	sub register_script_function {
2164	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2165		3424
2166	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2168	}	3427	}
2169		3428
2170	=back	3429	=back
2171		3430
2172	=cut	3431	=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		3432
2282	#############################################################################	3433	#############################################################################
2283	# the server's init and main functions	3434	# the server's init and main functions
2284		3435
		3436	sub load_facedata($) {
		3437	my ($path) = @_;
		3438
		3439	# HACK to clear player env face cache, we need some signal framework
		3440	# for this (global event?)
		3441	%ext::player_env::MUSIC_FACE_CACHE = ();
		3442
		3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3444
		3445	trace "loading facedata from $path\n";
		3446
		3447	my $facedata = decode_storable load_file $path;
		3448
		3449	$facedata->{version} == 2
		3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3451
		3452	# patch in the exptable
		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3454	$facedata->{resource}{"res/exp_table"} = {
		3455	type => FT_RSRC,
		3456	data => $exp_table,
		3457	hash => (Digest::MD5::md5 $exp_table),
		3458	};
		3459	cf::cede_to_tick;
		3460
		3461	{
		3462	my $faces = $facedata->{faceinfo};
		3463
		3464	while (my ($face, $info) = each %$faces) {
		3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3466
		3467	cf::face::set_visibility $idx, $info->{visibility};
		3468	cf::face::set_magicmap $idx, $info->{magicmap};
		3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3472
		3473	cf::cede_to_tick;
		3474	}
		3475
		3476	while (my ($face, $info) = each %$faces) {
		3477	next unless $info->{smooth};
		3478
		3479	my $idx = cf::face::find $face
		3480	or next;
		3481
		3482	if (my $smooth = cf::face::find $info->{smooth}) {
		3483	cf::face::set_smooth $idx, $smooth;
		3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3485	} else {
		3486	error "smooth face '$info->{smooth}' not found for face '$face'";
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	{
		3494	my $anims = $facedata->{animinfo};
		3495
		3496	while (my ($anim, $info) = each %$anims) {
		3497	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3498	cf::cede_to_tick;
		3499	}
		3500
		3501	cf::anim::invalidate_all; # d'oh
		3502	}
		3503
		3504	{
		3505	my $res = $facedata->{resource};
		3506
		3507	while (my ($name, $info) = each %$res) {
		3508	if (defined $info->{type}) {
		3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3510
		3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3512	cf::face::set_type $idx, $info->{type};
		3513	} else {
		3514	$RESOURCE{$name} = $info; # unused
		3515	}
		3516
		3517	cf::cede_to_tick;
		3518	}
		3519	}
		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3522
		3523	1
		3524	}
		3525
		3526	register_exticmd fx_want => sub {
		3527	my ($ns, $want) = @_;
		3528
		3529	while (my ($k, $v) = each %$want) {
		3530	$ns->fx_want ($k, $v);
		3531	}
		3532	};
		3533
2285	sub load_resources {	3534	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
		3543
		3544	sub reload_regions {
		3545	# HACK to clear player env face cache, we need some signal framework
		3546	# for this (global event?)
		3547	%ext::player_env::MUSIC_FACE_CACHE = ();
		3548
		3549	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3550	or die "unable to load regions file\n";
2288	}
2289		3551
2290	sub cfg_load {	3552	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3553	$_->{match} = qr/$_->{match}/
2292	or return;	3554	if exists $_->{match};
		3555	}
		3556	}
2293		3557
2294	local $/;	3558	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3559	load_facedata "$DATADIR/facedata"
		3560	or die "unable to load facedata\n";
		3561	}
2296		3562
		3563	sub reload_archetypes {
		3564	load_resource_file "$DATADIR/archetypes"
		3565	or die "unable to load archetypes\n";
		3566	}
		3567
		3568	sub reload_treasures {
		3569	load_resource_file "$DATADIR/treasures"
		3570	or die "unable to load treasurelists\n";
		3571	}
		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
		3593	sub reload_resources {
		3594	trace "reloading resource files...\n";
		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
		3601	reload_regions;
		3602	reload_treasures;
		3603
		3604	trace "finished reloading resource files\n";
		3605	}
		3606
		3607	sub reload_config {
		3608	trace "reloading config file...\n";
		3609
		3610	my $config = load_file "$CONFDIR/config";
		3611	utf8::decode $config;
		3612	*CFG = decode_yaml $config;
		3613
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3615
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3618
2302	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2306	};	3623	};
2307	warn $@ if $@;	3624	warn $@ if $@;
2308	}	3625	}
2309	}	3626	}
2310		3627
2311	sub init {	3628	sub pidfile() {
2312	load_resources;	3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3654	}
2314		3655
2315	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
2316	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3669	(async {
2320	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2322	};	3673	};
2323		3674
2324	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
		3687	reload_config;
		3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
2326	load_extensions;	3698	load_extensions;
2327		3699
2328	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
2330	}	3718	}
2331		3719
2332	#############################################################################	3720	#############################################################################
2333	# initialisation and cleanup	3721	# initialisation and cleanup
2334		3722
2335	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2336	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3727	$SIGWATCHER{$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";	3728	cf::cleanup "SIG$signal";
2345	},
2346	);	3729	};
		3730	}
		3731	}
		3732
		3733	sub write_runtime_sync {
		3734	my $t0 = AE::time;
		3735
		3736	# first touch the runtime file to show we are still running:
		3737	# the fsync below can take a very very long time.
		3738
		3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3740
		3741	my $guard = cf::lock_acquire "write_runtime";
		3742
		3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3744	or return;
		3745
		3746	my $value = $cf::RUNTIME + 90 + 10;
		3747	# 10 is the runtime save interval, for a monotonic clock
		3748	# 60 allows for the watchdog to kill the server.
		3749
		3750	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3751	and return;
		3752
		3753	# always fsync - this file is important
		3754	aio_fsync $fh
		3755	and return;
		3756
		3757	# touch it again to show we are up-to-date
		3758	aio_utime $fh, undef, undef;
		3759
		3760	close $fh
		3761	or return;
		3762
		3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3764	and return;
		3765
		3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3767
2347	}	3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
2348	}	3819	}
2349		3820
2350	sub emergency_save() {	3821	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2352		3823
2353	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
2354		3830
2355	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2356	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3842	$pl->save;
2364	}	3843	}
2365	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2366		3845
2367	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3851	$map->valid or next;
2371	$map->save;	3852	$map->save;
2372	}	3853	}
2373	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
		3855
		3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
		3859	BDB::db_env_txn_checkpoint $DB_ENV;
		3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
2374	};	3884	};
2375		3885
2376	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2377	}	3887	}
2378		3888
		3889	sub post_cleanup {
		3890	my ($make_core) = @_;
		3891
		3892	IO::AIO::flush;
		3893
		3894	error Carp::longmess "post_cleanup backtrace"
		3895	if $make_core;
		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
		3924	}
		3925
2379	sub reload() {	3926	sub do_reload_perl() {
2380	# can/must only be called in main	3927	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2382	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2383	return;	3930	return;
2384	}	3931	}
2385		3932
2386	warn "reloading...";	3933	return if $RELOAD++;
2387		3934
2388	warn "cancelling server ticker";	3935	my $t1 = AE::time;
2389	$TICK_WATCHER->cancel;
2390		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
		3943	cf::sync_job {
2391	cf::emergency_save;	3944	#cf::emergency_save;
2392		3945
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";	3946	trace "perl_reload: cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3948	%EXT_CORO = ();
2415		3949
2416	warn "removing commands";	3950	trace "perl_reload: removing commands";
2417	%COMMAND = ();	3951	%COMMAND = ();
2418		3952
2419	warn "removing ext commands";	3953	trace "perl_reload: removing ext/exti commands";
2420	%EXTCMD = ();	3954	%EXTCMD = ();
		3955	%EXTICMD = ();
2421		3956
2422	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
2425		3960
2426	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
2427	eval {	3962	eval {
2428	$cb->($pkg);	3963	$cb->($pkg);
2429	1	3964	1
2430	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
2431	}	3970	}
2432		3971
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3975
2441	warn "... unloading $k";	3976	trace "... unloading $k";
2442	delete $INC{$k};	3977	delete $INC{$k};
2443		3978
2444	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
2446		3981
2447	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
2449	}	3987	}
2450		3988
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3992
2458	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
		3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		3996
2461	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3998	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
2464		4000
2465	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
2466		4002
2467	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
2468	require cf;	4004	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
2470		4006
2471	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
2472	cf::cfg_load;	4008	cf::reload_config;
2473	cf::db_load;
2474		4009
2475	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
2476	cf::load_extensions;	4011	cf::load_extensions;
2477		4012
		4013	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
2479	_global_reattach;	4015	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
2481	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
		4018	trace "perl_reload: reattaching attachments to players";
		4019	reattach $_ for values %PLAYER;
		4020	}
2482		4021
2483	warn "loading reloadable resources";	4022	cf::_post_init 1;
2484	load_resources;
2485		4023
2486	warn "restarting server ticker";	4024	trace "perl_reload: leaving sync_job";
2487		4025
2488	$TICK_WATCHER->start;	4026	1
		4027	} or do {
		4028	error $@;
		4029	cf::cleanup "perl_reload: error, exiting.";
		4030	};
		4031
		4032	--$RELOAD;
		4033	}
		4034
		4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
		4037	};
		4038
		4039	our $RELOAD_WATCHER; # used only during reload
		4040
		4041	sub reload_perl() {
		4042	# doing reload synchronously and two reloads happen back-to-back,
		4043	# coro crashes during coro_state_free->destroy here.
		4044
		4045	$RELOAD_WATCHER ||= cf::async {
		4046	Coro::AIO::aio_wait cache_extensions;
		4047
		4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4049	do_reload_perl;
		4050	undef $RELOAD_WATCHER;
		4051	};
2489	};	4052	};
2490		4053	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		4054
2502	register_command "reload" => sub {	4055	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
2504		4057
2505	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
2507		4060	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4061	$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;	4062	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4063	};
2520	}	4064	}
2521	};	4065	};
2522		4066
2523	unshift @INC, $LIBDIR;	4067	#############################################################################
2524		4068
2525	my $bug_warning = 0;	4069	my $bug_warning = 0;
2526		4070
2527	$TICK_WATCHER = Event->timer (	4071	our @WAIT_FOR_TICK;
2528	reentrant => 0,	4072	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	4073
2530	prio => 0,	4074	sub wait_for_tick() {
2531	at => $NEXT_TICK || $TICK,	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	4076
2533	cb => sub {	4077	my $signal = new Coro::Signal;
		4078	push @WAIT_FOR_TICK, $signal;
		4079	$signal->wait;
		4080	}
		4081
		4082	sub wait_for_tick_begin() {
		4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4084
		4085	my $signal = new Coro::Signal;
		4086	push @WAIT_FOR_TICK_BEGIN, $signal;
		4087	$signal->wait;
		4088	}
		4089
		4090	sub tick {
2534	if ($Coro::current != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
2537	return;	4094	return;
2538	}	4095	}
2539		4096
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		4098
2546	$WAIT_FOR_TICK->broadcast;	4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4100
2549	Event::sweep;	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2550	Coro::cede_notself;	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4103	Coro::async_pool {
		4104	$Coro::current->{desc} = "runtime saver";
		4105	write_runtime_sync
		4106	or error "ERROR: unable to write runtime file: $!";
		4107	};
		4108	}
		4109
		4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4111	$sig->send;
		4112	}
		4113	while (my $sig = shift @WAIT_FOR_TICK) {
		4114	$sig->send;
		4115	}
		4116
		4117	$LOAD = ($NOW - $TICK_START) / $TICK;
		4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4119
		4120	if (0) {
		4121	if ($NEXT_TICK) {
		4122	my $jitter = $TICK_START - $NEXT_TICK;
		4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4124	debug "jitter $JITTER\n";#d#
2551		4125	}
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	},	4126	}
2561	);	4127	}
2562		4128
2563	{	4129	{
2564	BDB::max_poll_time $TICK * 0.1;	4130	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4131
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;	4132	BDB::min_parallel 16;
2574		4133	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4134	$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	$! = $status;
2586	},
2587	)
2588	};
2589		4135
2590	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4143
2593	cf::sync_job {	4144	cf::sync_job {
		4145	eval {
2594	BDB::db_env_open	4146	BDB::db_env_open
2595	$DB_ENV,	4147	$DB_ENV,
2596	$BDB_ENV_DIR,	4148	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4151	0666;
2600		4152
2601	cf::cleanup "$!" if $!;	4153	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4154	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4155
2604	$DB_ENV->set_lk_detect;	4156	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4157	};
2606	}	4158	}
		4159
		4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4162	};
		4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4165	};
		4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4168	};
2607	}	4169	}
2608		4170
2609	{	4171	{
		4172	# configure IO::AIO
		4173
2610	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4176	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	}	4177	}
2623		4178
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4179	our $_log_backtrace;
2625	reentrant => 0,	4180	our $_log_backtrace_last;
2626	data => WF_AUTOCANCEL,	4181
2627	after => 1,	4182	sub _log_backtrace {
2628	interval => 10,	4183	my ($msg, @addr) = @_;
2629	prio => 6, # keep it lowest so it acts like a watchdog	4184
2630	cb => Coro::unblock_sub {	4185	$msg =~ s/\n$//;
2631	write_runtime	4186
2632	or warn "ERROR: unable to write runtime file: $!";	4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4190	# limit the # of concurrent backtraces
		4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
		4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
		4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
		4198	my @bt = fork_call {
		4199	@addr = map { sprintf "%x", $_ } @addr;
		4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4202	or die "addr2line: $!";
		4203
		4204	my @funcs;
		4205	my @res = <$fh>;
		4206	chomp for @res;
		4207	while (@res) {
		4208	my ($func, $line) = splice @res, 0, 2, ();
		4209	push @funcs, "[$func] $line";
		4210	}
		4211
		4212	@funcs
		4213	};
		4214
		4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4217	LOG llevInfo, "[ABT] $_\n" for @bt;
		4218	--$_log_backtrace;
		4219	};
		4220	} else {
		4221	LOG llevInfo, "[ABT] $msg\n";
		4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2633	},	4223	}
2634	);	4224	}
		4225
		4226	# load additional modules
		4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
2635		4229
2636	END { cf::emergency_save }	4230	END { cf::emergency_save }
2637		4231
2638	1	4232	1
2639		4233

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