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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 1.561 by root, Fri Apr 22 06:10:33 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	last;
		1562	}
		1563	}
935	}	1564	};
936	}	1565	}
937		1566
938	#############################################################################	1567	#############################################################################
939		1568
		1569	=back
		1570
940	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
941		1572
942	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
943		1574
944	=cut	1575	=cut
945		1576
946	package cf::player;	1577	package cf::player;
947		1578
…		…
949		1580
950	=head3 cf::player	1581	=head3 cf::player
951		1582
952	=over 4	1583	=over 4
953		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
		1598
954	=item cf::player::find $login	1599	=item cf::player::find $login
955		1600
956	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
957		1602
958	=cut	1603	=cut
959		1604
960	sub playerdir($) {	1605	sub playerdir($) {
961	cf::localdir	1606	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1608	}
967		1609
968	sub path($) {	1610	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1612
971	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
972	}	1614	}
973		1615
974	sub find_active($) {	1616	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
979		1621
980	sub exists($) {	1622	sub exists($) {
981	my ($login) = @_;	1623	my ($login) = @_;
982		1624
983	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
985	}	1627	}
986		1628
987	sub find($) {	1629	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1631	my $login = $_[0];
990		1632
991	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
992		1634
993	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
995	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
997	}	1652	}
998	}	1653	}
999	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1000		1668
1001	sub save($) {	1669	sub save($) {
1002	my ($pl) = @_;	1670	my ($pl) = @_;
1003		1671
1004	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1010		1678
1011	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1013		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1014	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1015	Coro::cede;	1688	cf::cede_to_tick;
1016	}	1689	}
1017		1690
1018	sub new($) {	1691	sub new($) {
1019	my ($login) = @_;	1692	my ($login) = @_;
1020		1693
…		…
1026	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1027		1700
1028	$self	1701	$self
1029	}	1702	}
1030		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1031	=item $pl->quit_character	1714	=item $pl->quit_character
1032		1715
1033	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1035		1718
1036	=cut	1719	=cut
1037		1720
1038	sub quit_character {	1721	sub quit_character {
1039	my ($pl) = @_;	1722	my ($pl) = @_;
1040		1723
		1724	my $name = $pl->ob->name;
		1725
1041	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1728
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1045	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1047	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1048		1737
1049	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1742	$pl->destroy;
		1743
		1744	my $prefix = qr<^~\Q$name\E/>;
		1745
		1746	# nuke player maps
		1747	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1748
1054	IO::AIO::aio_rmtree $temp;	1749	IO::AIO::aio_rmtree $temp;
		1750	}
		1751
		1752	=item $pl->kick
		1753
		1754	Kicks a player out of the game. This destroys the connection.
		1755
		1756	=cut
		1757
		1758	sub kick {
		1759	my ($pl, $kicker) = @_;
		1760
		1761	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1762	$pl->killer ("kicked");
		1763	$pl->ns->destroy;
1055	}	1764	}
1056		1765
1057	=item cf::player::list_logins	1766	=item cf::player::list_logins
1058		1767
1059	Returns am arrayref of all valid playernames in the system, can take a	1768	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1061		1770
1062	=cut	1771	=cut
1063		1772
1064	sub list_logins {	1773	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1775	or return [];
1067		1776
1068	my @logins;	1777	my @logins;
1069		1778
1070	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1074		1789
1075	utf8::decode $login;	1790	utf8::decode $login;
1076	push @logins, $login;	1791	push @logins, $login;
1077	}	1792	}
1078		1793
1079	\@logins	1794	\@logins
1080	}	1795	}
1081		1796
1082	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1083		1800
1084	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1085	player. May block.	1802	player. May block.
1086		1803
1087	=cut	1804	=cut
…		…
1105	}	1822	}
1106		1823
1107	\@paths	1824	\@paths
1108	}	1825	}
1109		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1111		1832
1112	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1113		1834
1114	=cut	1835	=cut
1115		1836
1116	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1118		1839
1119	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1841	}
1123		1842
1124	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1125		1885
1126	=back	1886	=back
1127
1128		1887
1129	=head3 cf::map	1888	=head3 cf::map
1130		1889
1131	=over 4	1890	=over 4
1132		1891
…		…
1144	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1146		1905
1147	sub generate_random_map {	1906	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1149	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1150	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region}), $rmp->{custom}
1162	)
1163	}	1912	}
1164		1913
1165	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1166		1915
1167	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1172		1921
1173	sub register {	1922	sub register {
1174	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	1924	my $pkg = caller;
1176		1925
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		1927
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	1929	}
1182		1930
1183	# also paths starting with '/'	1931	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		1933
1186	sub thawer_merge {	1934	sub thawer_merge {
1187	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1188		1936
1189	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1190	local $self->{path};	1938	local $self->{path};
1191	local $self->{load_path};	1939	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1940
1195	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1196	}	1942	}
1197		1943
1198	sub normalise {	1944	sub normalise {
1199	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1200		1946
1201	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1202		1948
1203	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1204		1950
1205	# map plan:	1951	# map plan:
1206	#	1952	#
…		…
1221	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1222	$path = "$base/$path";	1968	$path = "$base/$path";
1223	}	1969	}
1224		1970
1225	for ($path) {	1971	for ($path) {
1226	redo if s{//}{/};
1227	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1228	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1229	}	1974	}
1230		1975
1231	$path	1976	$path
…		…
1245	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1246	return $self;	1991	return $self;
1247	}	1992	}
1248	}	1993	}
1249		1994
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	1996	()
1252	}	1997	}
1253		1998
		1999	# may re-bless or do other evil things
1254	sub init {	2000	sub init {
1255	my ($self) = @_;	2001	my ($self) = @_;
1256		2002
1257	$self	2003	$self
1258	}	2004	}
…		…
1270		2016
1271	# the original (read-only) location	2017	# the original (read-only) location
1272	sub load_path {	2018	sub load_path {
1273	my ($self) = @_;	2019	my ($self) = @_;
1274		2020
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1276	}	2022	}
1277		2023
1278	# the temporary/swap location	2024	# the temporary/swap location
1279	sub save_path {	2025	sub save_path {
1280	my ($self) = @_;	2026	my ($self) = @_;
1281		2027
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1284	}	2030	}
1285		2031
1286	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1287	sub uniq_path {	2033	sub uniq_path {
1288	my ($self) = @_;	2034	my ($self) = @_;
1289		2035
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1292	}	2038	}
1293		2039
1294	# and all this just because we cannot iterate over	2040	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	2041	my ($self) = @_;
1298		2042
1299	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1301	}	2046	}
1302		2047
1303	sub unlink_save {	2048	sub unlink_save {
1304	my ($self) = @_;	2049	my ($self) = @_;
1305		2050
1306	utf8::encode (my $save = $self->save_path);	2051	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2052	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2053	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	}	2054	}
1315		2055
1316	sub load_header_from($) {	2056	sub load_header_from($) {
1317	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1318		2058
1319	utf8::encode $path;	2059	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1325		2068
1326	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1327		2070
1328	1	2071	1
1329	}	2072	}
…		…
1368	$self->load_header_orig	2111	$self->load_header_orig
1369	or return;	2112	or return;
1370	$self->prepare_orig;	2113	$self->prepare_orig;
1371	}	2114	}
1372		2115
		2116	$self->{deny_reset} = 1
		2117	if $self->no_reset;
		2118
		2119	$self->default_region (cf::region::find_by_path $self->{path})
		2120	unless $self->default_region;
		2121
1373	1	2122	1
1374	}	2123	}
1375		2124
1376	sub find;	2125	sub find;
1377	sub find {	2126	sub find {
1378	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1379		2128
		2129	cf::cede_to_tick;
		2130
1380	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1381		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2135
1384	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1387	or return;	2138	or return;
1388		2139
1389	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1390		2141
1391	$map->load_header	2142	$map->load_header
1392	or return;	2143	or return;
1393		2144
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1397	$map->reset;	2150	$map->reset;
1398	undef $guard;
1399	return find $path;	2151	return find $path;
1400	}	2152	}
1401		2153
1402	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1403	}	2155	}
1404	}	2156	}
1405		2157
1406	sub pre_load { }	2158	sub pre_load { }
1407	sub post_load { }	2159	#sub post_load { } # XS
1408		2160
1409	sub load {	2161	sub load {
1410	my ($self) = @_;	2162	my ($self) = @_;
1411		2163
1412	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1413		2165
1414	my $path = $self->{path};	2166	my $path = $self->{path};
		2167
		2168	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1416		2170
		2171	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2173
1419	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1420		2175
1421	$self->alloc;	2176	$self->alloc;
1422		2177
1423	$self->pre_load;	2178	$self->pre_load;
		2179	cf::cede_to_tick;
1424		2180
1425	$self->_load_objects ($self->{load_path}, 1)	2181	my $f = new_from_file cf::object::thawer $self->{load_path};
		2182	$f->skip_block;
		2183	$self->_load_objects ($f)
1426	or return;	2184	or return;
1427		2185
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2186	$self->post_load_original
1429	if delete $self->{load_original};	2187	if delete $self->{load_original};
1430		2188
1431	if (my $uniq = $self->uniq_path) {	2189	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2190	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2191	unless (aio_stat $uniq) {
		2192	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2193	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2194	$self->_load_objects ($f);
		2195	$f->resolve_delayed_derefs;
		2196	}
1436	}	2197	}
1437	}	2198	}
1438		2199
1439	Coro::cede;	2200	$f->resolve_delayed_derefs;
1440		2201
		2202	cf::cede_to_tick;
1441	# now do the right thing for maps	2203	# now do the right thing for maps
1442	$self->link_multipart_objects;	2204	$self->link_multipart_objects;
1443
1444	unless ($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)	2205	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2206	unless $self->difficulty;
1452	Coro::cede;	2207	cf::cede_to_tick;
		2208
		2209	unless ($self->{deny_activate}) {
		2210	$self->decay_objects;
		2211	$self->fix_auto_apply;
		2212	$self->update_buttons;
		2213	cf::cede_to_tick;
1453	$self->activate;	2214	$self->activate;
		2215	}
		2216
		2217	$self->{last_save} = $cf::RUNTIME;
		2218	$self->last_access ($cf::RUNTIME);
		2219
		2220	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2221	}
1455		2222
1456	$self->post_load;	2223	$self->post_load;
1457		2224
1458	$self->in_memory (cf::MAP_IN_MEMORY);	2225	1
1459	}	2226	}
1460		2227
		2228	# customize the map for a given player, i.e.
		2229	# return the _real_ map. used by e.g. per-player
		2230	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2231	sub customise_for {
1462	my ($self, $ob) = @_;	2232	my ($self, $ob) = @_;
1463		2233
1464	return find "~" . $ob->name . "/" . $self->{path}	2234	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2235	if $self->per_player;
1466		2236
		2237	# return find "?party/" . $ob->name . "/" . $self->{path}
		2238	# if $self->per_party;
		2239
1467	$self	2240	$self
1468	}	2241	}
1469		2242
1470	# find and load all maps in the 3x3 area around a map	2243	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2244	sub load_neighbours {
1472	my ($map) = @_;	2245	my ($map) = @_;
1473		2246
1474	my @diag; # diagonal neighbours	2247	my @neigh; # diagonal neighbours
1475		2248
1476	for (0 .. 3) {	2249	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2250	my $neigh = $map->tile_path ($_)
1478	or next;	2251	or next;
1479	$neigh = find $neigh, $map	2252	$neigh = find $neigh, $map
1480	or next;	2253	or next;
1481	$neigh->load;	2254	$neigh->load;
1482		2255
		2256	# now find the diagonal neighbours
		2257	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2258	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2259	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2260	}
1486		2261
1487	for (@diag) {	2262	for (grep defined $_->[0], @neigh) {
		2263	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2264	my $neigh = find $path, $origin
1489	or next;	2265	or next;
1490	$neigh->load;	2266	$neigh->load;
1491	}	2267	}
1492	}	2268	}
1493		2269
1494	sub find_sync {	2270	sub find_sync {
1495	my ($path, $origin) = @_;	2271	my ($path, $origin) = @_;
1496		2272
1497	cf::sync_job { find $path, $origin }	2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1498	}	2277	}
1499		2278
1500	sub do_load_sync {	2279	sub do_load_sync {
1501	my ($map) = @_;	2280	my ($map) = @_;
1502		2281
1503	cf::sync_job { $map->load };	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	$map->load;
1504	}	2286	}
1505		2287
1506	our %MAP_PREFETCH;	2288	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2289	our $MAP_PREFETCHER = undef;
1508		2290
1509	sub find_async {	2291	sub find_async {
1510	my ($path, $origin) = @_;	2292	my ($path, $origin, $load) = @_;
1511		2293
1512	$path = normalise $path, $origin && $origin->{path};	2294	$path = normalise $path, $origin && $origin->{path};
1513		2295
1514	if (my $map = $cf::MAP{$path}) {	2296	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2297	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2298	}
1517		2299
1518	undef $MAP_PREFETCH{$path};	2300	$MAP_PREFETCH{$path} |= $load;
		2301
1519	$MAP_PREFETCHER ||= cf::async {	2302	$MAP_PREFETCHER ||= cf::async {
		2303	$Coro::current->{desc} = "map prefetcher";
		2304
1520	while (%MAP_PREFETCH) {	2305	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2306	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2307	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2308	$map->load if $v;
		2309	}
1525		2310
1526	delete $MAP_PREFETCH{$path};	2311	delete $MAP_PREFETCH{$k};
1527	}	2312	}
1528	}	2313	}
1529	undef $MAP_PREFETCHER;	2314	undef $MAP_PREFETCHER;
1530	};	2315	};
1531	$MAP_PREFETCHER->prio (6);	2316	$MAP_PREFETCHER->prio (6);
1532		2317
1533	()	2318	()
1534	}	2319	}
1535		2320
		2321	# common code, used by both ->save and ->swapout
1536	sub save {	2322	sub _save {
1537	my ($self) = @_;	2323	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2324
1541	$self->{last_save} = $cf::RUNTIME;	2325	$self->{last_save} = $cf::RUNTIME;
1542		2326
1543	return unless $self->dirty;	2327	return unless $self->dirty;
1544		2328
…		…
1550	return if $self->{deny_save};	2334	return if $self->{deny_save};
1551		2335
1552	local $self->{last_access} = $self->last_access;#d#	2336	local $self->{last_access} = $self->last_access;#d#
1553		2337
1554	cf::async {	2338	cf::async {
		2339	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2340	$_->contr->save for $self->players;
1556	};	2341	};
		2342
		2343	cf::get_slot 0.02;
1557		2344
1558	if ($uniq) {	2345	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2347	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2348	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2349	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2350	}
1564	}	2351	}
1565		2352
		2353	sub save {
		2354	my ($self) = @_;
		2355
		2356	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2357
		2358	$self->_save;
		2359	}
		2360
1566	sub swap_out {	2361	sub swap_out {
1567	my ($self) = @_;	2362	my ($self) = @_;
1568		2363
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2364	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2365
		2366	return if $self->in_memory != cf::MAP_ACTIVE;
		2367	return if $self->{deny_save};
1574	return if $self->players;	2368	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2369
		2370	# first deactivate the map and "unlink" it from the core
		2371	$self->deactivate;
		2372	$_->clear_links_to ($self) for values %cf::MAP;
		2373	$self->in_memory (cf::MAP_SWAPPED);
		2374
		2375	# then atomically save
		2376	$self->_save;
		2377
		2378	# then free the map
1578	$self->clear;	2379	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2380	}
1581		2381
1582	sub reset_at {	2382	sub reset_at {
1583	my ($self) = @_;	2383	my ($self) = @_;
1584		2384
1585	# TODO: safety, remove and allow resettable per-player maps	2385	# 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};	2386	return 1e99 if $self->{deny_reset};
1588		2387
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2388	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2389	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2390
…		…
1602	my ($self) = @_;	2401	my ($self) = @_;
1603		2402
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2404
1606	return if $self->players;	2405	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2406
1609	warn "resetting map ", $self->path;#d#	2407	cf::trace "resetting map ", $self->path, "\n";
		2408
		2409	$self->in_memory (cf::MAP_SWAPPED);
		2410
		2411	# need to save uniques path
		2412	unless ($self->{deny_save}) {
		2413	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2414
		2415	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2416	if $uniq;
		2417	}
1610		2418
1611	delete $cf::MAP{$self->path};	2419	delete $cf::MAP{$self->path};
1612		2420
1613	$self->in_memory (cf::MAP_SWAPPED);	2421	$self->deactivate;
		2422	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2423	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2424
1618	$self->unlink_save;	2425	$self->unlink_save;
1619	$self->destroy;	2426	$self->destroy;
1620	}	2427	}
1621		2428
1622	my $nuke_counter = "aaaa";	2429	my $nuke_counter = "aaaa";
1623		2430
1624	sub nuke {	2431	sub nuke {
1625	my ($self) = @_;	2432	my ($self) = @_;
1626		2433
		2434	{
		2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2436
1627	delete $cf::MAP{$self->path};	2437	delete $cf::MAP{$self->path};
1628		2438
1629	$self->unlink_save;	2439	$self->unlink_save;
1630		2440
1631	bless $self, "cf::map";	2441	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2442	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2443	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2444	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2445	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2446
1637	$cf::MAP{$self->path} = $self;	2447	$cf::MAP{$self->path} = $self;
		2448	}
1638		2449
1639	$self->reset; # polite request, might not happen	2450	$self->reset; # polite request, might not happen
		2451	}
		2452
		2453	=item $maps = cf::map::tmp_maps
		2454
		2455	Returns an arrayref with all map paths of currently instantiated and saved
		2456	maps. May block.
		2457
		2458	=cut
		2459
		2460	sub tmp_maps() {
		2461	[
		2462	map {
		2463	utf8::decode $_;
		2464	/\.map$/
		2465	? normalise $_
		2466	: ()
		2467	} @{ aio_readdir $TMPDIR or [] }
		2468	]
		2469	}
		2470
		2471	=item $maps = cf::map::random_maps
		2472
		2473	Returns an arrayref with all map paths of currently instantiated and saved
		2474	random maps. May block.
		2475
		2476	=cut
		2477
		2478	sub random_maps() {
		2479	[
		2480	map {
		2481	utf8::decode $_;
		2482	/\.map$/
		2483	? normalise "?random/$_"
		2484	: ()
		2485	} @{ aio_readdir $RANDOMDIR or [] }
		2486	]
1640	}	2487	}
1641		2488
1642	=item cf::map::unique_maps	2489	=item cf::map::unique_maps
1643		2490
1644	Returns an arrayref of paths of all shared maps that have	2491	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2492	instantiated unique items. May block.
1646		2493
1647	=cut	2494	=cut
1648		2495
1649	sub unique_maps() {	2496	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2497	[
1651	or return;	2498	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2499	utf8::decode $_;
1657	next if /\.pst$/;	2500	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2501	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2502	? ()
1660	push @paths, cf::map::normalise $_;	2503	: normalise $_
		2504	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2505	]
1662
1663	\@paths
1664	}	2506	}
1665		2507
1666	package cf;	2508	=item cf::map::static_maps
		2509
		2510	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2511	file in the shared directory excluding F</styles> and F</editor>). May
		2512	block.
		2513
		2514	=cut
		2515
		2516	sub static_maps() {
		2517	my @dirs = "";
		2518	my @maps;
		2519
		2520	while (@dirs) {
		2521	my $dir = shift @dirs;
		2522
		2523	next if $dir eq "/styles" || $dir eq "/editor";
		2524
		2525	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2526	or return;
		2527
		2528	for (@$files) {
		2529	s/\.map$// or next;
		2530	utf8::decode $_;
		2531	push @maps, "$dir/$_";
		2532	}
		2533
		2534	push @dirs, map "$dir/$_", @$dirs;
		2535	}
		2536
		2537	\@maps
		2538	}
1667		2539
1668	=back	2540	=back
1669		2541
1670	=head3 cf::object	2542	=head3 cf::object
1671		2543
…		…
1675		2547
1676	=over 4	2548	=over 4
1677		2549
1678	=item $ob->inv_recursive	2550	=item $ob->inv_recursive
1679		2551
1680	Returns the inventory of the object _and_ their inventories, recursively.	2552	Returns the inventory of the object I<and> their inventories, recursively,
		2553	but I<not> the object itself.
1681		2554
1682	=cut	2555	=cut
1683		2556
1684	sub inv_recursive_;	2557	sub inv_recursive_;
1685	sub inv_recursive_ {	2558	sub inv_recursive_ {
…		…
1688		2561
1689	sub inv_recursive {	2562	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2563	inv_recursive_ inv $_[0]
1691	}	2564	}
1692		2565
		2566	=item $ref = $ob->ref
		2567
		2568	Creates and returns a persistent reference to an object that can be stored as a string.
		2569
		2570	=item $ob = cf::object::deref ($refstring)
		2571
		2572	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2573	even if the object actually exists. May block.
		2574
		2575	=cut
		2576
		2577	sub deref {
		2578	my ($ref) = @_;
		2579
		2580	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2581	my ($uuid, $name) = ($1, $2);
		2582	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2583	or return;
		2584	$pl->ob->uuid eq $uuid
		2585	or return;
		2586
		2587	$pl->ob
		2588	} else {
		2589	warn "$ref: cannot resolve object reference\n";
		2590	undef
		2591	}
		2592	}
		2593
1693	package cf;	2594	package cf;
1694		2595
1695	=back	2596	=back
1696		2597
1697	=head3 cf::object::player	2598	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2604	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	2605	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2606	dialogue with the given NPC character.
1706		2607
1707	=cut	2608	=cut
		2609
		2610	our $SAY_CHANNEL = {
		2611	id => "say",
		2612	title => "Map",
		2613	reply => "say ",
		2614	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2615	};
		2616
		2617	our $CHAT_CHANNEL = {
		2618	id => "chat",
		2619	title => "Chat",
		2620	reply => "chat ",
		2621	tooltip => "Player chat and shouts, global to the server.",
		2622	};
1708		2623
1709	# rough implementation of a future "reply" method that works	2624	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2625	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2626	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2627	sub cf::object::player::reply($$$;$) {
…		…
1714		2629
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2631
1717	if ($self->{record_replies}) {	2632	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2634
1719	} else {	2635	} else {
		2636	my $pl = $self->contr;
		2637
		2638	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2639	my $dialog = $pl->{npc_dialog};
		2640	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2641
		2642	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2643	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2644	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2645	}
1722	}	2646	}
		2647	}
		2648
		2649	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2650
		2651	=cut
		2652
		2653	sub cf::object::send_msg {
		2654	my $pl = shift->contr
		2655	or return;
		2656	$pl->send_msg (@_);
1723	}	2657	}
1724		2658
1725	=item $player_object->may ("access")	2659	=item $player_object->may ("access")
1726		2660
1727	Returns wether the given player is authorized to access resource "access"	2661	Returns wether the given player is authorized to access resource "access"
…		…
1740		2674
1741	=item $player_object->enter_link	2675	=item $player_object->enter_link
1742		2676
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2677	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2678
1745	The player should be reasonably safe there for short amounts of time. You	2679	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.	2680	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2681	though, as the player cannot control the character while it is on the link
		2682	map.
1747		2683
1748	Will never block.	2684	Will never block.
1749		2685
1750	=item $player_object->leave_link ($map, $x, $y)	2686	=item $player_object->leave_link ($map, $x, $y)
1751		2687
…		…
1771	sub cf::object::player::enter_link {	2707	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2708	my ($self) = @_;
1773		2709
1774	$self->deactivate_recursive;	2710	$self->deactivate_recursive;
1775		2711
		2712	++$self->{_link_recursion};
		2713
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2714	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2715
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2716	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2717	if $self->map && $self->map->{path} ne "{link}";
1780		2718
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2719	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2720	}
1783		2721
1784	sub cf::object::player::leave_link {	2722	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2723	my ($self, $map, $x, $y) = @_;
		2724
		2725	return unless $self->contr->active;
1786		2726
1787	my $link_pos = delete $self->{_link_pos};	2727	my $link_pos = delete $self->{_link_pos};
1788		2728
1789	unless ($map) {	2729	unless ($map) {
1790	# restore original map position	2730	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2741	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2742	unless (defined $x) && (defined $y);
1803		2743
1804	# use -1 or undef as default coordinates, not 0, 0	2744	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2745	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2746	if $x <= 0 && $y <= 0;
1807		2747
1808	$map->load;	2748	$map->load;
1809	$map->load_diag;	2749	$map->load_neighbours;
1810		2750
1811	return unless $self->contr->active;	2751	return unless $self->contr->active;
		2752
		2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2754	if ($self->enter_map ($map, $x, $y)) {
		2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2758	$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	$pl->ob->leave_link
1824	};
1825	}
1826	},	2759	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2760
1830	# try to abort aborted map switching on player login :)	2761	}
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		2762
1848	=item $player_object->goto ($path, $x, $y)	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2764
		2765	Moves the player to the given map-path and coordinates by first freezing
		2766	her, loading and preparing them map, calling the provided $check callback
		2767	that has to return the map if sucecssful, and then unfreezes the player on
		2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
1850	=cut	2774	=cut
		2775
		2776	our $GOTOGEN;
1851		2777
1852	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
		2787	# do generation counting so two concurrent goto's will be executed in-order
		2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2789
1855	$self->enter_link;	2790	$self->enter_link;
1856		2791
1857	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
1858	my $map = eval {	2814	my $map = eval {
1859	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path : undef;
		2816
		2817	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2818	$map = $map->customise_for ($self);
		2819	$map = $check->($map, $x, $y, $self) if $check && $map;
		2820	} else {
		2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823
1861	$map	2824	$map
		2825	};
		2826
		2827	if ($@) {
		2828	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2830	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2831
		2832	if ($gen == $self->{_goto_generation}) {
		2833	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
		2835	}
		2836
		2837	$done->($self) if $done;
1866	})->prio (1);	2838	})->prio (1);
1867	}	2839	}
1868		2840
1869	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
1870		2842
…		…
1890	}	2862	}
1891		2863
1892	sub prepare_random_map {	2864	sub prepare_random_map {
1893	my ($exit) = @_;	2865	my ($exit) = @_;
1894		2866
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2869	# that depends on the exit object
1900		2870
1901	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2873	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
1908	}	2880	}
1909		2881
1910	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
1911		2883
1912	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
1915		2887
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2890	undef $fh;
1919	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
1920		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
1923	}	2899	}
1924	}	2900	}
1925		2901
1926	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
1928		2904
1929	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
1930		2906
1931	if ($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;	2907	$self->enter_link;
1941		2908
1942	(async {	2909	(async {
1943	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
1944	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	# random map handling
		2916	{
		2917	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2918
		2919	prepare_random_map $exit
		2920	if $exit->slaying eq "/!";
		2921	}
		2922
		2923	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2924	my $x = $exit->stats->hp;
		2925	my $y = $exit->stats->sp;
		2926
1945	$self->goto ($slaying, $hp, $sp);	2927	$self->goto ($map, $x, $y);
1946		2928
		2929	# if exit is damned, update players death & WoR home-position
		2930	$self->contr->savebed ($map, $x, $y)
		2931	if $exit->flag (cf::FLAG_DAMNED);
		2932
1947	1;	2933	1
1948	}) {	2934	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2935	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2936	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2937	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2938	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2939
1954	warn "ERROR in enter_exit: $@";	2940	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	2941	$self->leave_link;
1956	}	2942	}
1957	})->prio (1);	2943	})->prio (1);
1958	}	2944	}
1959		2945
…		…
1970		2956
1971	sub cf::client::send_drawinfo {	2957	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2958	my ($self, $text, $flags) = @_;
1973		2959
1974	utf8::encode $text;	2960	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2961	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2962	}
1977		2963
		2964	=item $client->send_big_packet ($pkt)
		2965
		2966	Like C<send_packet>, but tries to compress large packets, and fragments
		2967	them as required.
		2968
		2969	=cut
		2970
		2971	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2972
		2973	sub cf::client::send_big_packet {
		2974	my ($self, $pkt) = @_;
		2975
		2976	# try lzf for large packets
		2977	$pkt = "lzf " . Compress::LZF::compress $pkt
		2978	if 1024 <= length $pkt and $self->{can_lzf};
		2979
		2980	# split very large packets
		2981	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2982	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2983	$pkt = "frag";
		2984	}
		2985
		2986	$self->send_packet ($pkt);
		2987	}
		2988
		2989	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2990
		2991	Send a drawinfo or msg packet to the client, formatting the msg for the
		2992	client if neccessary. C<$type> should be a string identifying the type of
		2993	the message, with C<log> being the default. If C<$color> is negative, suppress
		2994	the message unless the client supports the msg packet.
		2995
		2996	=cut
		2997
		2998	# non-persistent channels (usually the info channel)
		2999	our %CHANNEL = (
		3000	"c/motd" => {
		3001	id => "infobox",
		3002	title => "MOTD",
		3003	reply => undef,
		3004	tooltip => "The message of the day",
		3005	},
		3006	"c/identify" => {
		3007	id => "infobox",
		3008	title => "Identify",
		3009	reply => undef,
		3010	tooltip => "Items recently identified",
		3011	},
		3012	"c/examine" => {
		3013	id => "infobox",
		3014	title => "Examine",
		3015	reply => undef,
		3016	tooltip => "Signs and other items you examined",
		3017	},
		3018	"c/shopinfo" => {
		3019	id => "infobox",
		3020	title => "Shop Info",
		3021	reply => undef,
		3022	tooltip => "What your bargaining skill tells you about the shop",
		3023	},
		3024	"c/book" => {
		3025	id => "infobox",
		3026	title => "Book",
		3027	reply => undef,
		3028	tooltip => "The contents of a note or book",
		3029	},
		3030	"c/lookat" => {
		3031	id => "infobox",
		3032	title => "Look",
		3033	reply => undef,
		3034	tooltip => "What you saw there",
		3035	},
		3036	"c/who" => {
		3037	id => "infobox",
		3038	title => "Players",
		3039	reply => undef,
		3040	tooltip => "Shows players who are currently online",
		3041	},
		3042	"c/body" => {
		3043	id => "infobox",
		3044	title => "Body Parts",
		3045	reply => undef,
		3046	tooltip => "Shows which body parts you posess and are available",
		3047	},
		3048	"c/statistics" => {
		3049	id => "infobox",
		3050	title => "Statistics",
		3051	reply => undef,
		3052	tooltip => "Shows your primary statistics",
		3053	},
		3054	"c/skills" => {
		3055	id => "infobox",
		3056	title => "Skills",
		3057	reply => undef,
		3058	tooltip => "Shows your experience per skill and item power",
		3059	},
		3060	"c/shopitems" => {
		3061	id => "infobox",
		3062	title => "Shop Items",
		3063	reply => undef,
		3064	tooltip => "Shows the items currently for sale in this shop",
		3065	},
		3066	"c/resistances" => {
		3067	id => "infobox",
		3068	title => "Resistances",
		3069	reply => undef,
		3070	tooltip => "Shows your resistances",
		3071	},
		3072	"c/pets" => {
		3073	id => "infobox",
		3074	title => "Pets",
		3075	reply => undef,
		3076	tooltip => "Shows information abotu your pets/a specific pet",
		3077	},
		3078	"c/perceiveself" => {
		3079	id => "infobox",
		3080	title => "Perceive Self",
		3081	reply => undef,
		3082	tooltip => "You gained detailed knowledge about yourself",
		3083	},
		3084	"c/uptime" => {
		3085	id => "infobox",
		3086	title => "Uptime",
		3087	reply => undef,
		3088	tooltip => "How long the server has been running since last restart",
		3089	},
		3090	"c/mapinfo" => {
		3091	id => "infobox",
		3092	title => "Map Info",
		3093	reply => undef,
		3094	tooltip => "Information related to the maps",
		3095	},
		3096	"c/party" => {
		3097	id => "party",
		3098	title => "Party",
		3099	reply => "gsay ",
		3100	tooltip => "Messages and chat related to your party",
		3101	},
		3102	"c/death" => {
		3103	id => "death",
		3104	title => "Death",
		3105	reply => undef,
		3106	tooltip => "Reason for and more info about your most recent death",
		3107	},
		3108	"c/say" => $SAY_CHANNEL,
		3109	"c/chat" => $CHAT_CHANNEL,
		3110	);
		3111
		3112	sub cf::client::send_msg {
		3113	my ($self, $channel, $msg, $color, @extra) = @_;
		3114
		3115	$msg = $self->pl->expand_cfpod ($msg)
		3116	unless $color & cf::NDI_VERBATIM;
		3117
		3118	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3119
		3120	# check predefined channels, for the benefit of C
		3121	if ($CHANNEL{$channel}) {
		3122	$channel = $CHANNEL{$channel};
		3123
		3124	$self->ext_msg (channel_info => $channel);
		3125	$channel = $channel->{id};
		3126
		3127	} elsif (ref $channel) {
		3128	# send meta info to client, if not yet sent
		3129	unless (exists $self->{channel}{$channel->{id}}) {
		3130	$self->{channel}{$channel->{id}} = $channel;
		3131	$self->ext_msg (channel_info => $channel);
		3132	}
		3133
		3134	$channel = $channel->{id};
		3135	}
		3136
		3137	return unless @extra || length $msg;
		3138
		3139	# default colour, mask it out
		3140	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3141	if $color & cf::NDI_DEF;
		3142
		3143	my $pkt = "msg "
		3144	. $self->{json_coder}->encode (
		3145	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3146	);
		3147
		3148	$self->send_big_packet ($pkt);
		3149	}
		3150
		3151	=item $client->ext_msg ($type, @msg)
		3152
		3153	Sends an ext event to the client.
		3154
		3155	=cut
		3156
		3157	sub cf::client::ext_msg($$@) {
		3158	my ($self, $type, @msg) = @_;
		3159
		3160	if ($self->extcmd == 2) {
		3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3162	} elsif ($self->extcmd == 1) { # TODO: remove
		3163	push @msg, msgtype => "event_$type";
		3164	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3165	}
		3166	}
		3167
		3168	=item $client->ext_reply ($msgid, @msg)
		3169
		3170	Sends an ext reply to the client.
		3171
		3172	=cut
		3173
		3174	sub cf::client::ext_reply($$@) {
		3175	my ($self, $id, @msg) = @_;
		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3179	} elsif ($self->extcmd == 1) {
		3180	#TODO: version 1, remove
		3181	unshift @msg, msgtype => "reply", msgid => $id;
		3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
1978		3185
1979	=item $success = $client->query ($flags, "text", \&cb)	3186	=item $success = $client->query ($flags, "text", \&cb)
1980		3187
1981	Queues a query to the client, calling the given callback with	3188	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>,	3189	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>.	3190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3191
1985	Queries can fail, so check the return code. Or don't, as queries will become	3192	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3193	become reliable at some point in the future.
1987		3194
1988	=cut	3195	=cut
1989		3196
1990	sub cf::client::query {	3197	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3198	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3206	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3208
2002	$self->send_packet ($self->{query_queue}[0][0])	3209	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3210	if @{ $self->{query_queue} } == 1;
		3211
		3212	1
2004	}	3213	}
2005		3214
2006	cf::client->attach (	3215	cf::client->attach (
		3216	on_connect => sub {
		3217	my ($ns) = @_;
		3218
		3219	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3220	},
2007	on_reply => sub {	3221	on_reply => sub {
2008	my ($ns, $msg) = @_;	3222	my ($ns, $msg) = @_;
2009		3223
2010	# this weird shuffling is so that direct followup queries	3224	# this weird shuffling is so that direct followup queries
2011	# get handled first	3225	# get handled first
…		…
2023	} else {	3237	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3238	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3239	}
2026	}	3240	}
2027	},	3241	},
		3242	on_exticmd => sub {
		3243	my ($ns, $buf) = @_;
		3244
		3245	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3246
		3247	if (ref $msg) {
		3248	my ($type, $reply, @payload) =
		3249	"ARRAY" eq ref $msg
		3250	? @$msg
		3251	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3252
		3253	my @reply;
		3254
		3255	if (my $cb = $EXTICMD{$type}) {
		3256	@reply = $cb->($ns, @payload);
		3257	}
		3258
		3259	$ns->ext_reply ($reply, @reply)
		3260	if $reply;
		3261
		3262	} else {
		3263	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3264	}
		3265
		3266	cf::override;
		3267	},
2028	);	3268	);
2029		3269
2030	=item $client->async (\&cb)	3270	=item $client->async (\&cb)
2031		3271
2032	Create a new coroutine, running the specified callback. The coroutine will	3272	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3288
2049	$coro	3289	$coro
2050	}	3290	}
2051		3291
2052	cf::client->attach (	3292	cf::client->attach (
2053	on_destroy => sub {	3293	on_client_destroy => sub {
2054	my ($ns) = @_;	3294	my ($ns) = @_;
2055		3295
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3296	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3297	},
2058	);	3298	);
…		…
2073	our $safe = new Safe "safe";	3313	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3314	our $safe_hole = new Safe::Hole;
2075		3315
2076	$SIG{FPE} = 'IGNORE';	3316	$SIG{FPE} = 'IGNORE';
2077		3317
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3318	$safe->permit_only (Opcode::opset qw(
		3319	:base_core :base_mem :base_orig :base_math :base_loop
		3320	grepstart grepwhile mapstart mapwhile
		3321	sort time
		3322	));
2079		3323
2080	# here we export the classes and methods available to script code	3324	# here we export the classes and methods available to script code
2081		3325
2082	=pod	3326	=pod
2083		3327
2084	The following fucntions and emthods are available within a safe environment:	3328	The following functions and methods are available within a safe environment:
2085		3329
2086	cf::object contr pay_amount pay_player map	3330	cf::object
		3331	contr pay_amount pay_player map x y force_find force_add destroy
		3332	insert remove name archname title slaying race decrease split
		3333	value
		3334
2087	cf::object::player player	3335	cf::object::player
2088	cf::player peaceful	3336	player
2089	cf::map trigger	3337
		3338	cf::player
		3339	peaceful
		3340
		3341	cf::map
		3342	trigger
2090		3343
2091	=cut	3344	=cut
2092		3345
2093	for (	3346	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3347	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3348	insert remove inv nrof name archname title slaying race
		3349	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3350	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3351	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3352	["cf::map" => qw(trigger)],
2098	) {	3353	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3354	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3355	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3356	for @funs;
2103	}	3357	}
2104		3358
…		…
2119		3373
2120	my $qcode = $code;	3374	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3375	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3376	$qcode =~ s/\n/\\n/g;
2123		3377
		3378	%vars = (_dummy => 0) unless %vars;
		3379
		3380	my @res;
2124	local $_;	3381	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3382
2127	my $eval =	3383	my $eval =
2128	"do {\n"	3384	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3385	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3386	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3387	. $code
2132	. "\n}"	3388	. "\n}"
2133	;	3389	;
2134		3390
		3391	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3392	sub_generation_inc;
		3393	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3394	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3395	sub_generation_inc;
		3396	} else {
		3397	local @cf::_safe_eval_args = values %vars;
		3398	@res = wantarray ? eval eval : scalar eval $eval;
		3399	}
2138		3400
2139	if ($@) {	3401	if ($@) {
2140	warn "$@";	3402	warn "$@",
2141	warn "while executing safe code '$code'\n";	3403	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3404	"with arguments " . (join " ", %vars) . "\n";
2143	}	3405	}
2144		3406
2145	wantarray ? @res : $res[0]	3407	wantarray ? @res : $res[0]
2146	}	3408	}
2147		3409
…		…
2161	=cut	3423	=cut
2162		3424
2163	sub register_script_function {	3425	sub register_script_function {
2164	my ($fun, $cb) = @_;	3426	my ($fun, $cb) = @_;
2165		3427
2166	no strict 'refs';	3428	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3429	*$fun = $safe_hole->wrap ($cb);
2168	}	3430	}
2169		3431
2170	=back	3432	=back
2171		3433
2172	=cut	3434	=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		3435
2282	#############################################################################	3436	#############################################################################
2283	# the server's init and main functions	3437	# the server's init and main functions
2284		3438
		3439	sub load_facedata($) {
		3440	my ($path) = @_;
		3441
		3442	# HACK to clear player env face cache, we need some signal framework
		3443	# for this (global event?)
		3444	%ext::player_env::MUSIC_FACE_CACHE = ();
		3445
		3446	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3447
		3448	trace "loading facedata from $path\n";
		3449
		3450	my $facedata = decode_storable load_file $path;
		3451
		3452	$facedata->{version} == 2
		3453	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3454
		3455	# patch in the exptable
		3456	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3457	$facedata->{resource}{"res/exp_table"} = {
		3458	type => FT_RSRC,
		3459	data => $exp_table,
		3460	hash => (Digest::MD5::md5 $exp_table),
		3461	};
		3462	cf::cede_to_tick;
		3463
		3464	{
		3465	my $faces = $facedata->{faceinfo};
		3466
		3467	while (my ($face, $info) = each %$faces) {
		3468	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3469
		3470	cf::face::set_visibility $idx, $info->{visibility};
		3471	cf::face::set_magicmap $idx, $info->{magicmap};
		3472	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3473	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3474	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3475
		3476	cf::cede_to_tick;
		3477	}
		3478
		3479	while (my ($face, $info) = each %$faces) {
		3480	next unless $info->{smooth};
		3481
		3482	my $idx = cf::face::find $face
		3483	or next;
		3484
		3485	if (my $smooth = cf::face::find $info->{smooth}) {
		3486	cf::face::set_smooth $idx, $smooth;
		3487	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3488	} else {
		3489	error "smooth face '$info->{smooth}' not found for face '$face'";
		3490	}
		3491
		3492	cf::cede_to_tick;
		3493	}
		3494	}
		3495
		3496	{
		3497	my $anims = $facedata->{animinfo};
		3498
		3499	while (my ($anim, $info) = each %$anims) {
		3500	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3501	cf::cede_to_tick;
		3502	}
		3503
		3504	cf::anim::invalidate_all; # d'oh
		3505	}
		3506
		3507	{
		3508	my $res = $facedata->{resource};
		3509
		3510	while (my ($name, $info) = each %$res) {
		3511	if (defined $info->{type}) {
		3512	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3513
		3514	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3515	cf::face::set_type $idx, $info->{type};
		3516	} else {
		3517	$RESOURCE{$name} = $info; # unused
		3518	}
		3519
		3520	cf::cede_to_tick;
		3521	}
		3522	}
		3523
		3524	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3525
		3526	1
		3527	}
		3528
		3529	register_exticmd fx_want => sub {
		3530	my ($ns, $want) = @_;
		3531
		3532	while (my ($k, $v) = each %$want) {
		3533	$ns->fx_want ($k, $v);
		3534	}
		3535	};
		3536
2285	sub load_resources {	3537	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3538	my $guard = lock_acquire "load_resource_file";
		3539
		3540	my $status = load_resource_file_ $_[0];
		3541	get_slot 0.1, 100;
		3542	cf::arch::commit_load;
		3543
		3544	$status
		3545	}
		3546
		3547	sub reload_regions {
		3548	# HACK to clear player env face cache, we need some signal framework
		3549	# for this (global event?)
		3550	%ext::player_env::MUSIC_FACE_CACHE = ();
		3551
		3552	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3553	or die "unable to load regions file\n";
2288	}
2289		3554
2290	sub cfg_load {	3555	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3556	$_->{match} = qr/$_->{match}/
2292	or return;	3557	if exists $_->{match};
		3558	}
		3559	}
2293		3560
2294	local $/;	3561	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3562	load_facedata "$DATADIR/facedata"
		3563	or die "unable to load facedata\n";
		3564	}
2296		3565
		3566	sub reload_archetypes {
		3567	load_resource_file "$DATADIR/archetypes"
		3568	or die "unable to load archetypes\n";
		3569	}
		3570
		3571	sub reload_treasures {
		3572	load_resource_file "$DATADIR/treasures"
		3573	or die "unable to load treasurelists\n";
		3574	}
		3575
		3576	sub reload_sound {
		3577	trace "loading sound config from $DATADIR/sound\n";
		3578
		3579	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3580
		3581	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3582	my $sound = $soundconf->{compat}[$_]
		3583	or next;
		3584
		3585	my $face = cf::face::find "sound/$sound->[1]";
		3586	cf::sound::set $sound->[0] => $face;
		3587	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3588	}
		3589
		3590	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3591	my $face = cf::face::find "sound/$v";
		3592	cf::sound::set $k => $face;
		3593	}
		3594	}
		3595
		3596	sub reload_resources {
		3597	trace "reloading resource files...\n";
		3598
		3599	reload_exp_table;
		3600	reload_materials;
		3601	reload_facedata;
		3602	reload_sound;
		3603	reload_archetypes;
		3604	reload_regions;
		3605	reload_treasures;
		3606
		3607	trace "finished reloading resource files\n";
		3608	}
		3609
		3610	sub reload_config {
		3611	trace "reloading config file...\n";
		3612
		3613	my $config = load_file "$CONFDIR/config";
		3614	utf8::decode $config;
		3615	*CFG = decode_yaml $config;
		3616
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3617	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3618
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3619	$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};	3620	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3621
2302	if (exists $CFG{mlockall}) {	3622	if (exists $CFG{mlockall}) {
…		…
2306	};	3626	};
2307	warn $@ if $@;	3627	warn $@ if $@;
2308	}	3628	}
2309	}	3629	}
2310		3630
2311	sub init {	3631	sub pidfile() {
2312	load_resources;	3632	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3633	or die "$PIDFILE: $!";
		3634	flock $fh, &Fcntl::LOCK_EX
		3635	or die "$PIDFILE: flock: $!";
		3636	$fh
		3637	}
		3638
		3639	# make sure only one server instance is running at any one time
		3640	sub atomic {
		3641	my $fh = pidfile;
		3642
		3643	my $pid = <$fh>;
		3644	kill 9, $pid if $pid > 0;
		3645
		3646	seek $fh, 0, 0;
		3647	print $fh $$;
		3648	}
		3649
		3650	sub main_loop {
		3651	trace "EV::loop starting\n";
		3652	if (1) {
		3653	EV::loop;
		3654	}
		3655	trace "EV::loop returned\n";
		3656	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3657	}
2314		3658
2315	sub main {	3659	sub main {
		3660	cf::init_globals; # initialise logging
		3661
		3662	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3663	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3664	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3665	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3666
		3667	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3668
2316	# we must not ever block the main coroutine	3669	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3670	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3671	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3672	(async {
2320	Event::one_event;	3673	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3674	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3675	})->prio (Coro::PRIO_MAX);
2322	};	3676	};
2323		3677
2324	cfg_load;	3678	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3679
		3680	cf::sync_job {
		3681	cf::incloader::init ();
		3682
		3683	cf::init_anim;
		3684	cf::init_attackmess;
		3685	cf::init_dynamic;
		3686
		3687	cf::load_settings;
		3688
		3689	reload_resources;
		3690	reload_config;
		3691	db_init;
		3692
		3693	cf::init_uuid;
		3694	cf::init_signals;
		3695	cf::init_skills;
		3696
		3697	cf::init_beforeplay;
		3698
		3699	atomic;
		3700
2326	load_extensions;	3701	load_extensions;
2327		3702
2328	$TICK_WATCHER->start;	3703	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3704
		3705	# no (long-running) fork's whatsoever before this point(!)
		3706	use POSIX ();
		3707	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3708
		3709	cf::_post_init 0;
		3710	};
		3711
		3712	cf::object::thawer::errors_are_fatal 0;
		3713	info "parse errors in files are no longer fatal from this point on.\n";
		3714
		3715	my $free_main; $free_main = EV::idle sub {
		3716	undef $free_main;
		3717	undef &main; # free gobs of memory :)
		3718	};
		3719
		3720	goto &main_loop;
2330	}	3721	}
2331		3722
2332	#############################################################################	3723	#############################################################################
2333	# initialisation and cleanup	3724	# initialisation and cleanup
2334		3725
2335	# install some emergency cleanup handlers	3726	# install some emergency cleanup handlers
2336	BEGIN {	3727	BEGIN {
		3728	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3729	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3730	$SIGWATCHER{$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";	3731	cf::cleanup "SIG$signal";
2345	},
2346	);	3732	};
		3733	}
		3734	}
		3735
		3736	sub write_runtime_sync {
		3737	my $t0 = AE::time;
		3738
		3739	# first touch the runtime file to show we are still running:
		3740	# the fsync below can take a very very long time.
		3741
		3742	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3743
		3744	my $guard = cf::lock_acquire "write_runtime";
		3745
		3746	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3747	or return;
		3748
		3749	my $value = $cf::RUNTIME + 90 + 10;
		3750	# 10 is the runtime save interval, for a monotonic clock
		3751	# 60 allows for the watchdog to kill the server.
		3752
		3753	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3754	and return;
		3755
		3756	# always fsync - this file is important
		3757	aio_fsync $fh
		3758	and return;
		3759
		3760	# touch it again to show we are up-to-date
		3761	aio_utime $fh, undef, undef;
		3762
		3763	close $fh
		3764	or return;
		3765
		3766	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3767	and return;
		3768
		3769	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3770
2347	}	3771	1
		3772	}
		3773
		3774	our $uuid_lock;
		3775	our $uuid_skip;
		3776
		3777	sub write_uuid_sync($) {
		3778	$uuid_skip ||= $_[0];
		3779
		3780	return if $uuid_lock;
		3781	local $uuid_lock = 1;
		3782
		3783	my $uuid = "$LOCALDIR/uuid";
		3784
		3785	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3786	or return;
		3787
		3788	my $value = uuid_seq uuid_cur;
		3789
		3790	unless ($value) {
		3791	info "cowardly refusing to write zero uuid value!\n";
		3792	return;
		3793	}
		3794
		3795	my $value = uuid_str $value + $uuid_skip;
		3796	$uuid_skip = 0;
		3797
		3798	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3799	and return;
		3800
		3801	# always fsync - this file is important
		3802	aio_fsync $fh
		3803	and return;
		3804
		3805	close $fh
		3806	or return;
		3807
		3808	aio_rename "$uuid~", $uuid
		3809	and return;
		3810
		3811	trace "uuid file written ($value).\n";
		3812
		3813	1
		3814
		3815	}
		3816
		3817	sub write_uuid($$) {
		3818	my ($skip, $sync) = @_;
		3819
		3820	$sync ? write_uuid_sync $skip
		3821	: async { write_uuid_sync $skip };
2348	}	3822	}
2349		3823
2350	sub emergency_save() {	3824	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3825	my $freeze_guard = cf::freeze_mainloop;
2352		3826
2353	warn "enter emergency perl save\n";	3827	info "emergency_perl_save: enter\n";
		3828
		3829	# this is a trade-off: we want to be very quick here, so
		3830	# save all maps without fsync, and later call a global sync
		3831	# (which in turn might be very very slow)
		3832	local $USE_FSYNC = 0;
2354		3833
2355	cf::sync_job {	3834	cf::sync_job {
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
2356	# use a peculiar iteration method to avoid tripping on perl	3837	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3838	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3839	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3840	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3841	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3842	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3843	$pl->valid or next;
		3844	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3845	$pl->save;
2364	}	3846	}
2365	warn "end emergency player save\n";	3847	info "emergency_perl_save: end player save\n";
2366		3848
2367	warn "begin emergency map save\n";	3849	cf::write_runtime_sync; # external watchdog should not bark
		3850
		3851	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3852	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3853	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3854	$map->valid or next;
2371	$map->save;	3855	$map->save;
2372	}	3856	}
2373	warn "end emergency map save\n";	3857	info "emergency_perl_save: end map save\n";
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
		3861	info "emergency_perl_save: begin database checkpoint\n";
		3862	BDB::db_env_txn_checkpoint $DB_ENV;
		3863	info "emergency_perl_save: end database checkpoint\n";
		3864
		3865	info "emergency_perl_save: begin write uuid\n";
		3866	write_uuid_sync 1;
		3867	info "emergency_perl_save: end write uuid\n";
		3868
		3869	cf::write_runtime_sync; # external watchdog should not bark
		3870
		3871	trace "emergency_perl_save: syncing database to disk";
		3872	BDB::db_env_txn_checkpoint $DB_ENV;
		3873
		3874	info "emergency_perl_save: starting sync\n";
		3875	IO::AIO::aio_sync sub {
		3876	info "emergency_perl_save: finished sync\n";
		3877	};
		3878
		3879	cf::write_runtime_sync; # external watchdog should not bark
		3880
		3881	trace "emergency_perl_save: flushing outstanding aio requests";
		3882	while (IO::AIO::nreqs || BDB::nreqs) {
		3883	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3884	}
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
2374	};	3887	};
2375		3888
2376	warn "leave emergency perl save\n";	3889	info "emergency_perl_save: leave\n";
2377	}	3890	}
2378		3891
		3892	sub post_cleanup {
		3893	my ($make_core) = @_;
		3894
		3895	IO::AIO::flush;
		3896
		3897	error Carp::longmess "post_cleanup backtrace"
		3898	if $make_core;
		3899
		3900	my $fh = pidfile;
		3901	unlink $PIDFILE if <$fh> == $$;
		3902	}
		3903
		3904	# a safer delete_package, copied from Symbol
		3905	sub clear_package($) {
		3906	my $pkg = shift;
		3907
		3908	# expand to full symbol table name if needed
		3909	unless ($pkg =~ /^main::.*::$/) {
		3910	$pkg = "main$pkg" if $pkg =~ /^::/;
		3911	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3912	$pkg .= '::' unless $pkg =~ /::$/;
		3913	}
		3914
		3915	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3916	my $stem_symtab = *{$stem}{HASH};
		3917
		3918	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3919	or return;
		3920
		3921	# clear all symbols
		3922	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3923	for my $name (keys %$leaf_symtab) {
		3924	_gv_clear *{"$pkg$name"};
		3925	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3926	}
		3927	}
		3928
2379	sub reload() {	3929	sub do_reload_perl() {
2380	# can/must only be called in main	3930	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3931	unless (in_main) {
2382	warn "can only reload from main coroutine";	3932	error "can only reload from main coroutine";
2383	return;	3933	return;
2384	}	3934	}
2385		3935
2386	warn "reloading...";	3936	return if $RELOAD++;
2387		3937
2388	warn "cancelling server ticker";	3938	my $t1 = AE::time;
2389	$TICK_WATCHER->cancel;
2390		3939
		3940	while ($RELOAD) {
		3941	cf::get_slot 0.1, -1, "reload_perl";
		3942	info "perl_reload: reloading...";
		3943
		3944	trace "perl_reload: entering sync_job";
		3945
		3946	cf::sync_job {
2391	cf::emergency_save;	3947	#cf::emergency_save;
2392		3948
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";	3949	trace "perl_reload: cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3950	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3951	%EXT_CORO = ();
2415		3952
2416	warn "removing commands";	3953	trace "perl_reload: removing commands";
2417	%COMMAND = ();	3954	%COMMAND = ();
2418		3955
2419	warn "removing ext commands";	3956	trace "perl_reload: removing ext/exti commands";
2420	%EXTCMD = ();	3957	%EXTCMD = ();
		3958	%EXTICMD = ();
2421		3959
2422	warn "unloading/nuking all extensions";	3960	trace "perl_reload: unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3961	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3962	trace "... unloading $pkg";
2425		3963
2426	if (my $cb = $pkg->can ("unload")) {	3964	if (my $cb = $pkg->can ("unload")) {
2427	eval {	3965	eval {
2428	$cb->($pkg);	3966	$cb->($pkg);
2429	1	3967	1
2430	} or warn "$pkg unloaded, but with errors: $@";	3968	} or error "$pkg unloaded, but with errors: $@";
		3969	}
		3970
		3971	trace "... clearing $pkg";
		3972	clear_package $pkg;
2431	}	3973	}
2432		3974
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	3975	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	3976	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3977	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3978
2441	warn "... unloading $k";	3979	trace "... unloading $k";
2442	delete $INC{$k};	3980	delete $INC{$k};
2443		3981
2444	$k =~ s/\.pm$//;	3982	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	3983	$k =~ s/\//::/g;
2446		3984
2447	if (my $cb = $k->can ("unload_module")) {	3985	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	3986	$cb->();
		3987	}
		3988
		3989	clear_package $k;
2449	}	3990	}
2450		3991
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	3992	trace "perl_reload: getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3993	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3994	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3995
2458	warn "unloading cf.pm \"a bit\"";	3996	trace "perl_reload: unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3997	delete $INC{"cf.pm"};
		3998	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		3999
2461	# don't, removes xs symbols, too,	4000	# don't, removes xs symbols, too,
2462	# and global variables created in xs	4001	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	4002	#clear_package __PACKAGE__;
2464		4003
2465	warn "unload completed, starting to reload now";	4004	info "perl_reload: unload completed, starting to reload now";
2466		4005
2467	warn "reloading cf.pm";	4006	trace "perl_reload: reloading cf.pm";
2468	require cf;	4007	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4008	cf::_connect_to_perl_1;
2470		4009
2471	warn "loading config and database again";	4010	trace "perl_reload: loading config and database again";
2472	cf::cfg_load;	4011	cf::reload_config;
2473	cf::db_load;
2474		4012
2475	warn "loading extensions";	4013	trace "perl_reload: loading extensions";
2476	cf::load_extensions;	4014	cf::load_extensions;
2477		4015
		4016	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	4017	trace "perl_reload: reattaching attachments to objects/players";
2479	_global_reattach;	4018	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	4019	trace "perl_reload: reattaching attachments to maps";
2481	reattach $_ for values %MAP;	4020	reattach $_ for values %MAP;
		4021	trace "perl_reload: reattaching attachments to players";
		4022	reattach $_ for values %PLAYER;
		4023	}
2482		4024
2483	warn "loading reloadable resources";	4025	cf::_post_init 1;
2484	load_resources;
2485		4026
2486	warn "restarting server ticker";	4027	trace "perl_reload: leaving sync_job";
2487		4028
2488	$TICK_WATCHER->start;	4029	1
		4030	} or do {
		4031	error $@;
		4032	cf::cleanup "perl_reload: error, exiting.";
		4033	};
		4034
		4035	--$RELOAD;
		4036	}
		4037
		4038	$t1 = AE::time - $t1;
		4039	info "perl_reload: completed in ${t1}s\n";
		4040	};
		4041
		4042	our $RELOAD_WATCHER; # used only during reload
		4043
		4044	sub reload_perl() {
		4045	# doing reload synchronously and two reloads happen back-to-back,
		4046	# coro crashes during coro_state_free->destroy here.
		4047
		4048	$RELOAD_WATCHER ||= cf::async {
		4049	Coro::AIO::aio_wait cache_extensions;
		4050
		4051	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4052	do_reload_perl;
		4053	undef $RELOAD_WATCHER;
		4054	};
2489	};	4055	};
2490		4056	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		4057
2502	register_command "reload" => sub {	4058	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4059	my ($who, $arg) = @_;
2504		4060
2505	if ($who->flag (FLAG_WIZ)) {	4061	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4062	$who->message ("reloading server.");
2507		4063	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4064	$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;	4065	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4066	};
2520	}	4067	}
2521	};	4068	};
2522		4069
2523	unshift @INC, $LIBDIR;	4070	#############################################################################
2524		4071
2525	my $bug_warning = 0;	4072	my $bug_warning = 0;
2526		4073
2527	$TICK_WATCHER = Event->timer (	4074	our @WAIT_FOR_TICK;
2528	reentrant => 0,	4075	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	4076
2530	prio => 0,	4077	sub wait_for_tick() {
2531	at => $NEXT_TICK || $TICK,	4078	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	4079
2533	cb => sub {	4080	my $signal = new Coro::Signal;
		4081	push @WAIT_FOR_TICK, $signal;
		4082	$signal->wait;
		4083	}
		4084
		4085	sub wait_for_tick_begin() {
		4086	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4087
		4088	my $signal = new Coro::Signal;
		4089	push @WAIT_FOR_TICK_BEGIN, $signal;
		4090	$signal->wait;
		4091	}
		4092
		4093	sub tick {
2534	if ($Coro::current != $Coro::main) {	4094	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4095	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4096	unless ++$bug_warning > 10;
2537	return;	4097	return;
2538	}	4098	}
2539		4099
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	4100	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		4101
2546	$WAIT_FOR_TICK->broadcast;	4102	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4103
2549	Event::sweep;	4104	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2550	Coro::cede_notself;	4105	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4106	Coro::async_pool {
		4107	$Coro::current->{desc} = "runtime saver";
		4108	write_runtime_sync
		4109	or error "ERROR: unable to write runtime file: $!";
		4110	};
		4111	}
		4112
		4113	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4114	$sig->send;
		4115	}
		4116	while (my $sig = shift @WAIT_FOR_TICK) {
		4117	$sig->send;
		4118	}
		4119
		4120	$LOAD = ($NOW - $TICK_START) / $TICK;
		4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4122
		4123	if (0) {
		4124	if ($NEXT_TICK) {
		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
2551		4128	}
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	},	4129	}
2561	);	4130	}
2562		4131
2563	{	4132	{
2564	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4134
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;	4135	BDB::min_parallel 16;
2574		4136	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4137	$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	$! = $status;
2586	},
2587	)
2588	};
2589		4138
2590	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4146
2593	cf::sync_job {	4147	cf::sync_job {
		4148	eval {
2594	BDB::db_env_open	4149	BDB::db_env_open
2595	$DB_ENV,	4150	$DB_ENV,
2596	$BDB_ENV_DIR,	4151	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4154	0666;
2600		4155
2601	cf::cleanup "$!" if $!;	4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4157	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4158
2604	$DB_ENV->set_lk_detect;	4159	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4160	};
2606	}	4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
2607	}	4172	}
2608		4173
2609	{	4174	{
		4175	# configure IO::AIO
		4176
2610	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4179	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	}	4180	}
2623		4181
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4182	our $_log_backtrace;
2625	reentrant => 0,	4183	our $_log_backtrace_last;
2626	data => WF_AUTOCANCEL,	4184
2627	after => 1,	4185	sub _log_backtrace {
2628	interval => 10,	4186	my ($msg, @addr) = @_;
2629	prio => 6, # keep it lowest so it acts like a watchdog	4187
2630	cb => Coro::unblock_sub {	4188	$msg =~ s/\n$//;
2631	write_runtime	4189
2632	or warn "ERROR: unable to write runtime file: $!";	4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4193	# limit the # of concurrent backtraces
		4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
		4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
		4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
		4201	my @bt = fork_call {
		4202	@addr = map { sprintf "%x", $_ } @addr;
		4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4205	or die "addr2line: $!";
		4206
		4207	my @funcs;
		4208	my @res = <$fh>;
		4209	chomp for @res;
		4210	while (@res) {
		4211	my ($func, $line) = splice @res, 0, 2, ();
		4212	push @funcs, "[$func] $line";
		4213	}
		4214
		4215	@funcs
		4216	};
		4217
		4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4220	LOG llevInfo, "[ABT] $_\n" for @bt;
		4221	--$_log_backtrace;
		4222	};
		4223	} else {
		4224	LOG llevInfo, "[ABT] $msg\n";
		4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2633	},	4226	}
2634	);	4227	}
		4228
		4229	# load additional modules
		4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
2635		4232
2636	END { cf::emergency_save }	4233	END { cf::emergency_save }
2637		4234
2638	1	4235	1
2639		4236

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