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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.229 by root, Sun Apr 1 00:36:34 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98
59	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	123	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		132
68	our %CFG;	133	our %CFG;
69		134
70	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
72		138
73	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		142
82	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
85	binmode STDOUT;	156	binmode STDOUT;
86	binmode STDERR;	157	binmode STDERR;
87		158
88	# read virtual server time, if available	159	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
93	}	164	}
94		165
95	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	167
97	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		170
102	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
103		172
104	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
105		189
106	#############################################################################	190	#############################################################################
107		191
108	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
109		193
…		…
116	=item $cf::RUNTIME	200	=item $cf::RUNTIME
117		201
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	203	every server tick.
120		204
121	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		208
123	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
125		213
126	=item $cf::NOW	214	=item $cf::NOW
127		215
128	The time of the last (current) server tick.	216	The time of the last (current) server tick.
129		217
130	=item $cf::TICK	218	=item $cf::TICK
131		219
132	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
133		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
134	=item %cf::CFG	232	=item %cf::CFG
135		233
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	235	from wherever your confdir points to.
138		236
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		238
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
143	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
145		259
146	=back	260	=back
147		261
148	=cut	262	=cut
149		263
150	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	271	my $msg = join "", @_;
153	utf8::encode $msg;
154		272
155	$msg .= "\n"	273	$msg .= "\n"
156	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
157		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
158	LOG llevError, $msg;	278	LOG llevWarn, $msg;
159	};	279	};
160	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
161		294
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		302
169	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	304	# within the Safe compartment.
171	for my $pkg (qw(	305	for my $pkg (qw(
172	cf::global cf::attachable	306	cf::global cf::attachable
173	cf::object cf::object::player	307	cf::object cf::object::player
174	cf::client cf::player	308	cf::client cf::player
175	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
176	cf::map cf::party cf::region	311	cf::party cf::region
177	)) {	312	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	314	}
181		315
182	$Event::DIED = sub {	316	$EV::DIED = sub {
183	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
184	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
185		326
186	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
187		328
188	=over 4	329	=over 4
189		330
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	350	$d
210	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
211	}	352	}
212		353
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
214		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
215	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
216		369
217	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
218		371
219	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
220		373
221	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
222		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
223	=item cf::lock_wait $string	445	=item cf::lock_wait $string
224		446
225	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
226		448
227	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
228		450
229	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
232	returned.	454	returned.
233		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
234	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
236		461
237	=cut	462	=item $locked = cf::lock_active $string
238		463
239	our %LOCK;	464	Return true if the lock is currently active, i.e. somebody has locked it.
		465
		466	=cut
		467
		468	our $LOCKS = new Coro::SemaphoreSet;
240		469
241	sub lock_wait($) {	470	sub lock_wait($) {
242	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	472	}
250		473
251	sub lock_acquire($) {	474	sub lock_acquire($) {
252	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
253		477
254	# wait, to be sure we are not locked	478	sub lock_active($) {
255	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	480	}
264		481
265	sub freeze_mainloop {	482	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
267		484
268	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
270	};	556	}
271	$TICK_WATCHER->stop;	557	};
272	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
273	}	572	}
274		573
275	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
276		575
277	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		581
283	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
284		583
285	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
286		585
287	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
290		590
291	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
294	fast or be very important.	594	fast or be very important.
…		…
296	=cut	596	=cut
297		597
298	sub sync_job(&) {	598	sub sync_job(&) {
299	my ($job) = @_;	599	my ($job) = @_;
300		600
301	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
302	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
304		606
305	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	608
307	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
308		610
309	my $busy = 1;	611	my $busy = 1;
310	my @res;	612	my @res;
311		613
312	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	616	@res = eval { $job->() };
314	warn $@ if $@;	617	error $@ if $@;
315	undef $busy;	618	undef $busy;
316	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
317		620
318	while ($busy) {	621	while ($busy) {
319	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
320	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
321		632
322	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
323	} else {	634	} else {
324	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
325		636
…		…
345	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
346		657
347	$coro	658	$coro
348	}	659	}
349		660
350	sub write_runtime {	661	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		662
353	my $runtime = cf::localdir . "/runtime";	663	Executes the given code block with the given arguments in a seperate
		664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
354		667
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
356	or return;
357		669
358	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
360	# 60 allows for the watchdog to kill the server.	672	}
361		673
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
363	and return;	675	my ($cb, @args) = @_;
364		676
365	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
367	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
368		680
369	close $fh	681	my @res = Coro::Util::fork_eval {
370	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
371		685
372	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
373	and return;	687	}
374		688
		689	sub objinfo {
375	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	864	}
377		865
378	=back	866	=back
379		867
380	=cut	868	=cut
381		869
382	#############################################################################	870	#############################################################################
383		871
384	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
385		873
386	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
389		877
390	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	880	Deliantra).
393		881
394	=over 4	882	=over 4
395		883
396	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
397		885
…		…
441	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
442		930
443	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
445		933
446	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
448		936
449	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
450		938
451	=over 4	939	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
561		1049
562	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		1054
567	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
569		1057
570	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
575		1063
576	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		1066
579	} elsif (ref $type) {	1067	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
581		1069
582	} else {	1070	} else {
583	shift @arg;	1071	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
585	}	1073	}
586	}	1074	}
587	}	1075	}
588		1076
589	sub _object_attach {	1077	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
600	}	1088	}
601		1089
602	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
603	} else {	1091	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1093	}
606		1094
607	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
608	}	1096	}
609		1097
…		…
611	if (ref $_[0]) {	1099	if (ref $_[0]) {
612	_object_attach @_;	1100	_object_attach @_;
613	} else {	1101	} else {
614	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
615	}	1103	}
		1104	_recalc_want;
616	};	1105	};
617		1106
618	# all those should be optimised	1107	# all those should be optimised
619	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1113	reattach ($obj);
625	} else {	1114	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
627	}	1116	}
		1117	_recalc_want;
628	};	1118	};
629		1119
630	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
632		1122
…		…
647	";	1137	";
648	die if $@;	1138	die if $@;
649	}	1139	}
650		1140
651	our $override;	1141	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1143
654	sub override {	1144	sub override {
655	$override = 1;	1145	$override = 1;
656	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
657	}	1147	}
658		1148
659	sub do_invoke {	1149	sub do_invoke {
660	my $event = shift;	1150	my $event = shift;
661	my $callbacks = shift;	1151	my $callbacks = shift;
662		1152
663	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
664		1154
665	local $override;	1155	local $override;
666		1156
667	for (@$callbacks) {	1157	for (@$callbacks) {
668	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
669		1159
670	if ($@) {	1160	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1162	override;
674	}	1163	}
675		1164
676	return 1 if $override;	1165	return 1 if $override;
677	}	1166	}
678		1167
679	0	1168	0
680	}	1169	}
681		1170
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1172
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1174
686	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
687		1176
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1180
692	=back	1181	=back
693		1182
694	=cut	1183	=cut
695		1184
696	#############################################################################	1185	#############################################################################
697	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
698		1229
699	sub reattach {	1230	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1232	my ($obj) = @_;
702		1233
		1234	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1236
705	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
706		1238
707	@$registry = ();	1239	@$registry = ();
708		1240
…		…
713	for (@$attach) {	1245	for (@$attach) {
714	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
716	}	1248	}
717	} else {	1249	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1251	}
720	}	1252	}
721	}	1253	}
722		1254
723	cf::attachable->attach (	1255	cf::attachable->attach (
724	prio => -1000000,	1256	prio => -1000000,
725	on_instantiate => sub {	1257	on_instantiate => sub {
726	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
727		1259
728	$data = from_json $data;	1260	$data = decode_json $data;
729		1261
730	for (@$data) {	1262	for (@$data) {
731	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
732		1264
733	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1281	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
751		1283
752	sync_job {	1284	sync_job {
753	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
756		1290
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
761	close $fh;	1298	aio_close $fh;
762		1299
763	if (@$objs) {	1300	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
769	close $fh;	1309	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
771	}	1311	}
772	} else {	1312	} else {
773	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
774	}	1314	}
775		1315
776	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1320	} else {
778	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
779	}	1322	}
780	} else {	1323	} else {
781	aio_unlink $filename;	1324	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
783	}	1326	}
784	}	1327	};
785	}	1328	}
786		1329
787	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
789		1332
…		…
801	or return;	1344	or return;
802		1345
803	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
805	or return;	1348	or return;
		1349
806	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
807	}	1352	}
808		1353
		1354	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
811	return ($data, $av);	1359	($data, $av)
812	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
813		1367
814	#############################################################################	1368	#############################################################################
815	# command handling &c	1369	# command handling &c
816		1370
817	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1385	}
832		1386
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1388
835	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
836		1394
837	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
838	called.	1396	called.
839		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
840	=cut	1409	=cut
841		1410
842	sub register_extcmd {	1411	sub register_extcmd {
843	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
844		1413
845	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
846	}	1415	}
847		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
848	cf::player->attach (	1425	cf::player->attach (
849	on_command => sub {	1426	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
851		1428
852	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
853	or return;	1430	or return;
854		1431
…		…
859	cf::override;	1436	cf::override;
860	},	1437	},
861	on_extcmd => sub {	1438	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
863		1440
864	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1442
866	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
872	} else {	1458	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1460	}
875		1461
876	cf::override;	1462	cf::override;
877	},	1463	},
878	);	1464	);
879		1465
		1466	# "readahead" all extensions
880	sub load_extension {	1467	sub cache_extensions {
881	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
882		1469
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1473	}
908	die $@;
909	}	1474	};
910		1475
911	push @EXTS, $pkg;	1476	$grp
912	}	1477	}
913		1478
914	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
915	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1486	next unless -r $path;
917	eval {	1487
918	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
919	1	1551	}
920	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
921	}	1564	};
922	}	1565	}
923		1566
924	#############################################################################	1567	#############################################################################
925		1568
		1569	=back
		1570
926	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
927		1572
928	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
929		1574
930	=cut	1575	=cut
931		1576
932	package cf::player;	1577	package cf::player;
933		1578
…		…
935		1580
936	=head3 cf::player	1581	=head3 cf::player
937		1582
938	=over 4	1583	=over 4
939		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
		1598
940	=item cf::player::find $login	1599	=item cf::player::find $login
941		1600
942	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
943		1602
944	=cut	1603	=cut
945		1604
946	sub playerdir($) {	1605	sub playerdir($) {
947	cf::localdir	1606	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1608	}
953		1609
954	sub path($) {	1610	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1612
957	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
958	}	1614	}
959		1615
960	sub find_active($) {	1616	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
965		1621
966	sub exists($) {	1622	sub exists($) {
967	my ($login) = @_;	1623	my ($login) = @_;
968		1624
969	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
971	}	1627	}
972		1628
973	sub find($) {	1629	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1631	my $login = $_[0];
976		1632
977	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
978		1634
979	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
981	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
983	}	1652	}
984	}	1653	}
985	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
986		1668
987	sub save($) {	1669	sub save($) {
988	my ($pl) = @_;	1670	my ($pl) = @_;
989		1671
990	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
996		1678
997	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
999		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1000	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1001	Coro::cede;	1688	cf::cede_to_tick;
1002	}	1689	}
1003		1690
1004	sub new($) {	1691	sub new($) {
1005	my ($login) = @_;	1692	my ($login) = @_;
1006		1693
…		…
1012	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1013		1700
1014	$self	1701	$self
1015	}	1702	}
1016		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1017	=item $pl->quit_character	1714	=item $pl->quit_character
1018		1715
1019	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1021		1718
…		…
1025	my ($pl) = @_;	1722	my ($pl) = @_;
1026		1723
1027	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1028		1725
1029	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1728
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1033	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1035	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1036		1737
1037	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1039	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1068	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1069		1770
1070	=cut	1771	=cut
1071		1772
1072	sub list_logins {	1773	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1775	or return [];
1075		1776
1076	my @logins;	1777	my @logins;
1077		1778
1078	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1082		1789
1083	utf8::decode $login;	1790	utf8::decode $login;
1084	push @logins, $login;	1791	push @logins, $login;
1085	}	1792	}
1086		1793
1087	\@logins	1794	\@logins
1088	}	1795	}
1089		1796
1090	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1091		1800
1092	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1093	player. May block.	1802	player. May block.
1094		1803
1095	=cut	1804	=cut
…		…
1113	}	1822	}
1114		1823
1115	\@paths	1824	\@paths
1116	}	1825	}
1117		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1119		1832
1120	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1121		1834
1122	=cut	1835	=cut
1123		1836
1124	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1126		1839
1127	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1841	}
1131		1842
1132	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1133		1885
1134	=back	1886	=back
1135
1136		1887
1137	=head3 cf::map	1888	=head3 cf::map
1138		1889
1139	=over 4	1890	=over 4
1140		1891
…		…
1152	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1154		1905
1155	sub generate_random_map {	1906	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1157	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1158	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1169	(cf::region::find $rmp->{region}), $rmp->{custom}
1170	)
1171	}	1912	}
1172		1913
1173	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1174		1915
1175	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1180		1921
1181	sub register {	1922	sub register {
1182	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	1924	my $pkg = caller;
1184		1925
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		1927
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	1929	}
1190		1930
1191	# also paths starting with '/'	1931	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		1933
1194	sub thawer_merge {	1934	sub thawer_merge {
1195	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1196		1936
1197	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1198	local $self->{path};	1938	local $self->{path};
1199	local $self->{load_path};	1939	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1940
1203	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1204	}	1942	}
1205		1943
1206	sub normalise {	1944	sub normalise {
1207	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1208		1946
1209	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1210		1948
1211	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1212		1950
1213	# map plan:	1951	# map plan:
1214	#	1952	#
…		…
1229	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1230	$path = "$base/$path";	1968	$path = "$base/$path";
1231	}	1969	}
1232		1970
1233	for ($path) {	1971	for ($path) {
1234	redo if s{//}{/};
1235	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1236	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1237	}	1974	}
1238		1975
1239	$path	1976	$path
…		…
1253	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1254	return $self;	1991	return $self;
1255	}	1992	}
1256	}	1993	}
1257		1994
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1259	()	1996	()
1260	}	1997	}
1261		1998
		1999	# may re-bless or do other evil things
1262	sub init {	2000	sub init {
1263	my ($self) = @_;	2001	my ($self) = @_;
1264		2002
1265	$self	2003	$self
1266	}	2004	}
…		…
1278		2016
1279	# the original (read-only) location	2017	# the original (read-only) location
1280	sub load_path {	2018	sub load_path {
1281	my ($self) = @_;	2019	my ($self) = @_;
1282		2020
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1284	}	2022	}
1285		2023
1286	# the temporary/swap location	2024	# the temporary/swap location
1287	sub save_path {	2025	sub save_path {
1288	my ($self) = @_;	2026	my ($self) = @_;
1289		2027
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1292	}	2030	}
1293		2031
1294	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1295	sub uniq_path {	2033	sub uniq_path {
1296	my ($self) = @_;	2034	my ($self) = @_;
1297		2035
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1300	}	2038	}
1301		2039
1302	# and all this just because we cannot iterate over	2040	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	2041	my ($self) = @_;
1306		2042
1307	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1309	}	2046	}
1310		2047
1311	sub unlink_save {	2048	sub unlink_save {
1312	my ($self) = @_;	2049	my ($self) = @_;
1313		2050
…		…
1318		2055
1319	sub load_header_from($) {	2056	sub load_header_from($) {
1320	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1321		2058
1322	utf8::encode $path;	2059	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2061	or return;
1328		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1329	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1330		2070
1331	1	2071	1
1332	}	2072	}
1333		2073
		2074	# used to laod the header of an original map
1334	sub load_header_orig {	2075	sub load_header_orig {
1335	my ($self) = @_;	2076	my ($self) = @_;
1336		2077
1337	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1338	}	2079	}
1339		2080
		2081	# used to laod the header of an instantiated map
1340	sub load_header_temp {	2082	sub load_header_temp {
1341	my ($self) = @_;	2083	my ($self) = @_;
1342		2084
1343	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1344	}	2086	}
1345		2087
		2088	# called after loading the header from an instantiated map
1346	sub prepare_temp {	2089	sub prepare_temp {
1347	my ($self) = @_;	2090	my ($self) = @_;
1348		2091
1349	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1350	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1351	# safety	2094	# safety
1352	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1353	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1354	}	2097	}
1355		2098
		2099	# called after loading the header from an original map
1356	sub prepare_orig {	2100	sub prepare_orig {
1357	my ($self) = @_;	2101	my ($self) = @_;
1358		2102
1359	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1360	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1371	$self->load_header_orig	2115	$self->load_header_orig
1372	or return;	2116	or return;
1373	$self->prepare_orig;	2117	$self->prepare_orig;
1374	}	2118	}
1375		2119
		2120	$self->{deny_reset} = 1
		2121	if $self->no_reset;
		2122
		2123	$self->default_region (cf::region::find_by_path $self->{path})
		2124	unless $self->default_region;
		2125
1376	1	2126	1
1377	}	2127	}
1378		2128
1379	sub find;	2129	sub find;
1380	sub find {	2130	sub find {
1381	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1382		2132
		2133	cf::cede_to_tick;
		2134
1383	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1384		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2139
1387	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1390	or return;	2142	or return;
1391		2143
1392	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1393		2145
1394	$map->load_header	2146	$map->load_header
1395	or return;	2147	or return;
1396		2148
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1400	$map->reset;	2154	$map->reset;
1401	undef $guard;
1402	return find $path;	2155	return find $path;
1403	}	2156	}
1404		2157
1405	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1406	}	2159	}
1407	}	2160	}
1408		2161
1409	sub pre_load { }	2162	sub pre_load { }
1410	sub post_load { }	2163	#sub post_load { } # XS
1411		2164
1412	sub load {	2165	sub load {
1413	my ($self) = @_;	2166	my ($self) = @_;
1414		2167
1415	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1416		2169
1417	my $path = $self->{path};	2170	my $path = $self->{path};
		2171
		2172	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1419		2174
		2175	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2177
1422	$self->in_memory (cf::MAP_LOADING);	2178	$self->in_memory (cf::MAP_LOADING);
1423		2179
1424	$self->alloc;	2180	$self->alloc;
1425		2181
1426	$self->pre_load;	2182	$self->pre_load;
		2183	cf::cede_to_tick;
1427		2184
1428	$self->_load_objects ($self->{load_path}, 1)	2185	if (exists $self->{load_path}) {
		2186	my $f = new_from_file cf::object::thawer $self->{load_path};
		2187	$f->skip_block;
		2188	$self->_load_objects ($f)
1429	or return;	2189	or return;
1430		2190
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1432	if delete $self->{load_original};	2192	if delete $self->{load_original};
1433		2193
1434	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2195	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2196	unless (aio_stat $uniq) {
		2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2198	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2199	$self->_load_objects ($f);
		2200	$f->resolve_delayed_derefs;
		2201	}
		2202	}
1439	}	2203	}
1440	}
1441		2204
1442	Coro::cede;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
1443		2210
		2211	cf::cede_to_tick;
1444	# now do the right thing for maps	2212	# now do the right thing for maps
1445	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2215	unless $self->difficulty;
1455	Coro::cede;	2216	cf::cede_to_tick;
		2217
		2218	unless ($self->{deny_activate}) {
		2219	$self->decay_objects;
		2220	$self->fix_auto_apply;
		2221	$self->update_buttons;
		2222	cf::cede_to_tick;
1456	$self->activate;	2223	$self->activate;
		2224	}
		2225
		2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
		2228
		2229	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2230	}
1458		2231
1459	$self->post_load;	2232	$self->post_load;
1460		2233
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2234	1
1462	}	2235	}
1463		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2240	sub customise_for {
1465	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1466		2242
1467	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2244	if $self->per_player;
1469		2245
		2246	# return find "?party/" . $ob->name . "/" . $self->{path}
		2247	# if $self->per_party;
		2248
1470	$self	2249	$self
1471	}	2250	}
1472		2251
1473	# find and load all maps in the 3x3 area around a map	2252	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2253	sub load_neighbours {
1475	my ($map) = @_;	2254	my ($map) = @_;
1476		2255
1477	my @diag; # diagonal neighbours	2256	my @neigh; # diagonal neighbours
1478		2257
1479	for (0 .. 3) {	2258	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2259	my $neigh = $map->tile_path ($_)
1481	or next;	2260	or next;
1482	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1483	or next;	2262	or next;
1484	$neigh->load;	2263	$neigh->load;
1485		2264
		2265	# now find the diagonal neighbours
		2266	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2269	}
1489		2270
1490	for (@diag) {	2271	for (grep defined $_->[0], @neigh) {
		2272	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2273	my $neigh = find $path, $origin
1492	or next;	2274	or next;
1493	$neigh->load;	2275	$neigh->load;
1494	}	2276	}
1495	}	2277	}
1496		2278
1497	sub find_sync {	2279	sub find_sync {
1498	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
1499		2281
1500	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
1501	}	2286	}
1502		2287
1503	sub do_load_sync {	2288	sub do_load_sync {
1504	my ($map) = @_;	2289	my ($map) = @_;
1505		2290
1506	cf::sync_job { $map->load };	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1507	}	2295	}
1508		2296
1509	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1511		2299
1512	sub find_async {	2300	sub find_async {
1513	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1514		2302
1515	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1516		2304
1517	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2307	}
1520		2308
1521	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1522	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1523	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2316	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2317	$map->load if $v;
		2318	}
1528		2319
1529	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1530	}	2321	}
1531	}	2322	}
1532	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1533	};	2324	};
1534	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1535		2326
1536	()	2327	()
1537	}	2328	}
1538		2329
		2330	# common code, used by both ->save and ->swapout
1539	sub save {	2331	sub _save {
1540	my ($self) = @_;	2332	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2333
1544	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1545		2335
1546	return unless $self->dirty;	2336	return unless $self->dirty;
1547		2337
…		…
1553	return if $self->{deny_save};	2343	return if $self->{deny_save};
1554		2344
1555	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1556		2346
1557	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1559	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1560		2353
1561	if ($uniq) {	2354	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2357	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2359	}
1567	}	2360	}
1568		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1569	sub swap_out {	2370	sub swap_out {
1570	my ($self) = @_;	2371	my ($self) = @_;
1571		2372
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
1577	return if $self->players;	2377	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1581	$self->clear;	2388	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2389	}
1584		2390
1585	sub reset_at {	2391	sub reset_at {
1586	my ($self) = @_;	2392	my ($self) = @_;
1587		2393
1588	# TODO: safety, remove and allow resettable per-player maps	2394	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2395	return 1e99 if $self->{deny_reset};
1591		2396
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2399
…		…
1605	my ($self) = @_;	2410	my ($self) = @_;
1606		2411
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2413
1609	return if $self->players;	2414	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2415
1612	warn "resetting map ", $self->path;#d#	2416	cf::trace "resetting map ", $self->path, "\n";
1613		2417
1614	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
1615		2419
1616	# need to save uniques path	2420	# need to save uniques path
1617	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2425	if $uniq;
1622	}	2426	}
1623		2427
1624	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1625		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2432	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2433
1630	$self->unlink_save;	2434	$self->unlink_save;
1631	$self->destroy;	2435	$self->destroy;
1632	}	2436	}
1633		2437
1634	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1635		2439
1636	sub nuke {	2440	sub nuke {
1637	my ($self) = @_;	2441	my ($self) = @_;
1638		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1639	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1640		2447
1641	$self->unlink_save;	2448	$self->unlink_save;
1642		2449
1643	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2455
1649	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1650		2458
1651	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
		2460	}
		2461
		2462	=item $maps = cf::map::tmp_maps
		2463
		2464	Returns an arrayref with all map paths of currently instantiated and saved
		2465	maps. May block.
		2466
		2467	=cut
		2468
		2469	sub tmp_maps() {
		2470	[
		2471	map {
		2472	utf8::decode $_;
		2473	/\.map$/
		2474	? normalise $_
		2475	: ()
		2476	} @{ aio_readdir $TMPDIR or [] }
		2477	]
		2478	}
		2479
		2480	=item $maps = cf::map::random_maps
		2481
		2482	Returns an arrayref with all map paths of currently instantiated and saved
		2483	random maps. May block.
		2484
		2485	=cut
		2486
		2487	sub random_maps() {
		2488	[
		2489	map {
		2490	utf8::decode $_;
		2491	/\.map$/
		2492	? normalise "?random/$_"
		2493	: ()
		2494	} @{ aio_readdir $RANDOMDIR or [] }
		2495	]
1652	}	2496	}
1653		2497
1654	=item cf::map::unique_maps	2498	=item cf::map::unique_maps
1655		2499
1656	Returns an arrayref of paths of all shared maps that have	2500	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2501	instantiated unique items. May block.
1658		2502
1659	=cut	2503	=cut
1660		2504
1661	sub unique_maps() {	2505	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2506	[
1663	or return;	2507	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2508	utf8::decode $_;
1669	next if /\.pst$/;	2509	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2511	? ()
1672	push @paths, cf::map::normalise $_;	2512	: normalise $_
		2513	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2514	]
1674
1675	\@paths
1676	}	2515	}
1677		2516
1678	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
1679		2548
1680	=back	2549	=back
1681		2550
1682	=head3 cf::object	2551	=head3 cf::object
1683		2552
…		…
1687		2556
1688	=over 4	2557	=over 4
1689		2558
1690	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1691		2560
1692	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
1693		2563
1694	=cut	2564	=cut
1695		2565
1696	sub inv_recursive_;	2566	sub inv_recursive_;
1697	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1700		2570
1701	sub inv_recursive {	2571	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1703	}	2573	}
1704		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
1705	package cf;	2603	package cf;
1706		2604
1707	=back	2605	=back
1708		2606
1709	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1718		2616
1719	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
1720		2632
1721	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2634	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1726		2638
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2640
1729	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1731	} else {	2644	} else {
		2645	my $pl = $self->contr;
		2646
		2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2648	my $dialog = $pl->{npc_dialog};
		2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2650
		2651	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1734	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
1735	}	2666	}
1736		2667
1737	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1738		2669
1739	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1752		2683
1753	=item $player_object->enter_link	2684	=item $player_object->enter_link
1754		2685
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2687
1757	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
1759		2692
1760	Will never block.	2693	Will never block.
1761		2694
1762	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1763		2696
…		…
1783	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2717	my ($self) = @_;
1785		2718
1786	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1787		2720
		2721	++$self->{_link_recursion};
		2722
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2724
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2726	if $self->map && $self->map->{path} ne "{link}";
1792		2727
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2729	}
1795		2730
1796	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
		2733
		2734	return unless $self->contr->active;
1798		2735
1799	my $link_pos = delete $self->{_link_pos};	2736	my $link_pos = delete $self->{_link_pos};
1800		2737
1801	unless ($map) {	2738	unless ($map) {
1802	# restore original map position	2739	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
1815		2752
1816	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
1819		2756
1820	$map->load;	2757	$map->load;
1821	$map->load_diag;	2758	$map->load_neighbours;
1822		2759
1823	return unless $self->contr->active;	2760	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2761
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
1828	}	2764	# entering was successful
1829		2765	delete $self->{_link_recursion};
1830	cf::player->attach (	2766	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2767	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2768	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2769
1844	# try to abort aborted map switching on player login :)	2770	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2771
1862	=item $player_object->goto ($path, $x, $y)	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2773
		2774	Moves the player to the given map-path and coordinates by first freezing
		2775	her, loading and preparing them map, calling the provided $check callback
		2776	that has to return the map if sucecssful, and then unfreezes the player on
		2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
1864	=cut	2783	=cut
		2784
		2785	our $GOTOGEN;
1865		2786
1866	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
		2795
		2796	# do generation counting so two concurrent goto's will be executed in-order
		2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2798
1869	$self->enter_link;	2799	$self->enter_link;
1870		2800
1871	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
1872	my $map = eval {	2823	my $map = eval {
1873	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2825
		2826	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2827	$map = $map->customise_for ($self);
		2828	$map = $check->($map, $x, $y, $self) if $check && $map;
		2829	} else {
		2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	}
		2832
1875	$map	2833	$map
		2834	};
		2835
		2836	if ($@) {
		2837	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2838	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2839	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2840
		2841	if ($gen == $self->{_goto_generation}) {
		2842	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
		2844	}
		2845
		2846	$done->($self) if $done;
1880	})->prio (1);	2847	})->prio (1);
1881	}	2848	}
1882		2849
1883	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
1884		2851
…		…
1904	}	2871	}
1905		2872
1906	sub prepare_random_map {	2873	sub prepare_random_map {
1907	my ($exit) = @_;	2874	my ($exit) = @_;
1908		2875
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2878	# that depends on the exit object
1914		2879
1915	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2882	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
1922	}	2889	}
1923		2890
1924	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
1925		2892
1926	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
1929		2896
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2899	undef $fh;
1933	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
1934		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
1937	}	2908	}
1938	}	2909	}
1939		2910
1940	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
1942		2913
1943	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
1944		2915
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2916	$self->enter_link;
1955		2917
1956	(async {	2918	(async {
1957	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
1958	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
1959	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
1960		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
1961	1;	2955	1
1962	}) {	2956	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2961
1968	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2963	$self->leave_link;
1970	}	2964	}
1971	})->prio (1);	2965	})->prio (1);
1972	}	2966	}
1973		2967
…		…
1987		2981
1988	utf8::encode $text;	2982	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2984	}
1991		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
		3009	}
		3010
		3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3012
		3013	Send a drawinfo or msg packet to the client, formatting the msg for the
		3014	client if neccessary. C<$type> should be a string identifying the type of
		3015	the message, with C<log> being the default. If C<$color> is negative, suppress
		3016	the message unless the client supports the msg packet.
		3017
		3018	=cut
		3019
		3020	# non-persistent channels (usually the info channel)
		3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
		3028	"c/identify" => {
		3029	id => "infobox",
		3030	title => "Identify",
		3031	reply => undef,
		3032	tooltip => "Items recently identified",
		3033	},
		3034	"c/examine" => {
		3035	id => "infobox",
		3036	title => "Examine",
		3037	reply => undef,
		3038	tooltip => "Signs and other items you examined",
		3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
		3052	"c/lookat" => {
		3053	id => "infobox",
		3054	title => "Look",
		3055	reply => undef,
		3056	tooltip => "What you saw there",
		3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
		3132	);
		3133
		3134	sub cf::client::send_msg {
		3135	my ($self, $channel, $msg, $color, @extra) = @_;
		3136
		3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
		3139
		3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3141
		3142	# check predefined channels, for the benefit of C
		3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
		3149	} elsif (ref $channel) {
		3150	# send meta info to client, if not yet sent
		3151	unless (exists $self->{channel}{$channel->{id}}) {
		3152	$self->{channel}{$channel->{id}} = $channel;
		3153	$self->ext_msg (channel_info => $channel);
		3154	}
		3155
		3156	$channel = $channel->{id};
		3157	}
		3158
		3159	return unless @extra || length $msg;
		3160
		3161	# default colour, mask it out
		3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3163	if $color & cf::NDI_DEF;
		3164
		3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
		3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3168	);
		3169
		3170	$self->send_big_packet ($pkt);
		3171	}
		3172
		3173	=item $client->ext_msg ($type, @msg)
		3174
		3175	Sends an ext event to the client.
		3176
		3177	=cut
		3178
		3179	sub cf::client::ext_msg($$@) {
		3180	my ($self, $type, @msg) = @_;
		3181
		3182	if ($self->extcmd == 2) {
		3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3184	} elsif ($self->extcmd == 1) { # TODO: remove
		3185	push @msg, msgtype => "event_$type";
		3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3187	}
		3188	}
		3189
		3190	=item $client->ext_reply ($msgid, @msg)
		3191
		3192	Sends an ext reply to the client.
		3193
		3194	=cut
		3195
		3196	sub cf::client::ext_reply($$@) {
		3197	my ($self, $id, @msg) = @_;
		3198
		3199	if ($self->extcmd == 2) {
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3201	} elsif ($self->extcmd == 1) {
		3202	#TODO: version 1, remove
		3203	unshift @msg, msgtype => "reply", msgid => $id;
		3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3205	}
		3206	}
1992		3207
1993	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
1994		3209
1995	Queues a query to the client, calling the given callback with	3210	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3211	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3212	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3213
1999	Queries can fail, so check the return code. Or don't, as queries will become	3214	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3215	become reliable at some point in the future.
2001		3216
2002	=cut	3217	=cut
2003		3218
2004	sub cf::client::query {	3219	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3220	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3228	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3229	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3230
2016	$self->send_packet ($self->{query_queue}[0][0])	3231	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3232	if @{ $self->{query_queue} } == 1;
		3233
		3234	1
2018	}	3235	}
2019		3236
2020	cf::client->attach (	3237	cf::client->attach (
		3238	on_connect => sub {
		3239	my ($ns) = @_;
		3240
		3241	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3242	},
2021	on_reply => sub {	3243	on_reply => sub {
2022	my ($ns, $msg) = @_;	3244	my ($ns, $msg) = @_;
2023		3245
2024	# this weird shuffling is so that direct followup queries	3246	# this weird shuffling is so that direct followup queries
2025	# get handled first	3247	# get handled first
…		…
2037	} else {	3259	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3260	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3261	}
2040	}	3262	}
2041	},	3263	},
		3264	on_exticmd => sub {
		3265	my ($ns, $buf) = @_;
		3266
		3267	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3268
		3269	if (ref $msg) {
		3270	my ($type, $reply, @payload) =
		3271	"ARRAY" eq ref $msg
		3272	? @$msg
		3273	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3274
		3275	my @reply;
		3276
		3277	if (my $cb = $EXTICMD{$type}) {
		3278	@reply = $cb->($ns, @payload);
		3279	}
		3280
		3281	$ns->ext_reply ($reply, @reply)
		3282	if $reply;
		3283
		3284	} else {
		3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3286	}
		3287
		3288	cf::override;
		3289	},
2042	);	3290	);
2043		3291
2044	=item $client->async (\&cb)	3292	=item $client->async (\&cb)
2045		3293
2046	Create a new coroutine, running the specified callback. The coroutine will	3294	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3310
2063	$coro	3311	$coro
2064	}	3312	}
2065		3313
2066	cf::client->attach (	3314	cf::client->attach (
2067	on_destroy => sub {	3315	on_client_destroy => sub {
2068	my ($ns) = @_;	3316	my ($ns) = @_;
2069		3317
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3319	},
2072	);	3320	);
…		…
2087	our $safe = new Safe "safe";	3335	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2089		3337
2090	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2091		3339
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3340	$safe->permit_only (Opcode::opset qw(
		3341	:base_core :base_mem :base_orig :base_math :base_loop
		3342	grepstart grepwhile mapstart mapwhile
		3343	sort time
		3344	));
2093		3345
2094	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
2095		3347
2096	=pod	3348	=pod
2097		3349
2098	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2099		3351
2100	cf::object contr pay_amount pay_player map	3352	cf::object
		3353	contr pay_amount pay_player map x y force_find force_add destroy
		3354	insert remove name archname title slaying race decrease split
		3355	value
		3356
2101	cf::object::player player	3357	cf::object::player
2102	cf::player peaceful	3358	player
2103	cf::map trigger	3359
		3360	cf::player
		3361	peaceful
		3362
		3363	cf::map
		3364	trigger
2104		3365
2105	=cut	3366	=cut
2106		3367
2107	for (	3368	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3370	insert remove inv nrof name archname title slaying race
		3371	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2112	) {	3375	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3378	for @funs;
2117	}	3379	}
2118		3380
…		…
2133		3395
2134	my $qcode = $code;	3396	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2137		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2138	local $_;	3403	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3404
2141	my $eval =	3405	my $eval =
2142	"do {\n"	3406	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3409	. $code
2146	. "\n}"	3410	. "\n}"
2147	;	3411	;
2148		3412
		3413	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2152		3422
2153	if ($@) {	3423	if ($@) {
2154	warn "$@";	3424	warn "$@",
2155	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2157	}	3427	}
2158		3428
2159	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2160	}	3430	}
2161		3431
…		…
2175	=cut	3445	=cut
2176		3446
2177	sub register_script_function {	3447	sub register_script_function {
2178	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2179		3449
2180	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2182	}	3452	}
2183		3453
2184	=back	3454	=back
2185		3455
2186	=cut	3456	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3457
2260	#############################################################################	3458	#############################################################################
2261	# the server's init and main functions	3459	# the server's init and main functions
2262		3460
2263	sub load_facedata {	3461	sub load_facedata($) {
2264	my $path = sprintf "%s/facedata", cf::datadir;	3462	my ($path) = @_;
2265		3463
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3469
2266	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2267		3471
2268	my $faces;	3472	my $facedata = decode_storable load_file $path;
2269	0 < aio_load $path, $faces
2270	or die "$path: $!";
2271		3473
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;
2274	Coro::cede;
2275
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3474	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3476
		3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3479	$facedata->{resource}{"res/exp_table"} = {
		3480	type => FT_RSRC,
		3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
		3483	};
		3484	cf::cede_to_tick;
		3485
		3486	{
		3487	my $faces = $facedata->{faceinfo};
		3488
2280	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3491
		3492	cf::face::set_visibility $idx, $info->{visibility};
		3493	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	Coro::cede;	3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2286	}
2287		3497
		3498	cf::cede_to_tick;
		3499	}
		3500
2288	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
2289	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
2290	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
		3505	or next;
		3506
		3507	if (my $smooth = cf::face::find $info->{smooth}) {
		3508	cf::face::set_smooth $idx, $smooth;
		3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3510	} else {
		3511	error "smooth face '$info->{smooth}' not found for face '$face'";
		3512	}
		3513
		3514	cf::cede_to_tick;
		3515	}
		3516	}
		3517
		3518	{
		3519	my $anims = $facedata->{animinfo};
		3520
		3521	while (my ($anim, $info) = each %$anims) {
		3522	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3523	cf::cede_to_tick;
		3524	}
		3525
		3526	cf::anim::invalidate_all; # d'oh
		3527	}
		3528
		3529	{
		3530	my $res = $facedata->{resource};
		3531
		3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
		3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3535
		3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3537	cf::face::set_type $idx, $info->{type};
		3538	} else {
		3539	$RESOURCE{$name} = $info; # unused
		3540	}
		3541
		3542	cf::cede_to_tick;
		3543	}
		3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3547
		3548	1
		3549	}
		3550
		3551	register_exticmd fx_want => sub {
		3552	my ($ns, $want) = @_;
		3553
		3554	while (my ($k, $v) = each %$want) {
		3555	$ns->fx_want ($k, $v);
		3556	}
		3557	};
		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
		3568
		3569	sub reload_regions {
		3570	# HACK to clear player env face cache, we need some signal framework
		3571	# for this (global event?)
		3572	%ext::player_env::MUSIC_FACE_CACHE = ();
		3573
		3574	load_resource_file "$MAPDIR/regions"
		3575	or die "unable to load regions file\n";
		3576
		3577	for (cf::region::list) {
		3578	$_->{match} = qr/$_->{match}/
		3579	if exists $_->{match};
		3580	}
		3581	}
		3582
		3583	sub reload_facedata {
		3584	load_facedata "$DATADIR/facedata"
		3585	or die "unable to load facedata\n";
		3586	}
		3587
		3588	sub reload_archetypes {
		3589	load_resource_file "$DATADIR/archetypes"
		3590	or die "unable to load archetypes\n";
		3591	}
		3592
		3593	sub reload_treasures {
		3594	load_resource_file "$DATADIR/treasures"
		3595	or die "unable to load treasurelists\n";
		3596	}
		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
2291	or next;	3605	or next;
2292	if (my $smooth = cf::face::find $info->{smooth}) {
2293	cf::face::set_smooth $idx, $smooth;
2294	} else {
2295	warn "smooth face '$info->{smooth}' not found for face '$face'";
2296	}
2297	Coro::cede;
2298	}
2299		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2300	1	3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
2301	}	3616	}
2302		3617
2303	sub reload_resources {	3618	sub reload_resources {
2304	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3619	trace "reloading resource files...\n";
2305	or die "unable to load regions file\n";#d#	3620
		3621	reload_exp_table;
		3622	reload_materials;
2306	load_facedata	3623	reload_facedata;
2307	or die "unable to load facedata\n";#d#	3624	reload_sound;
2308	}	3625	reload_archetypes;
2309
2310	sub init {
2311	reload_resources;	3626	reload_regions;
2312	}	3627	reload_treasures;
2313		3628
2314	sub cfg_load {	3629	trace "finished reloading resource files\n";
2315	open my $fh, "<:utf8", cf::confdir . "/config"	3630	}
2316	or return;
2317		3631
2318	local $/;	3632	sub reload_config {
2319	*CFG = YAML::Syck::Load <$fh>;	3633	trace "reloading config file...\n";
2320		3634
		3635	my $config = load_file "$CONFDIR/config";
		3636	utf8::decode $config;
		3637	*CFG = decode_yaml $config;
		3638
2321	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2322		3640
2323	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2324	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2325		3643
2326	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
2330	};	3648	};
2331	warn $@ if $@;	3649	warn $@ if $@;
2332	}	3650	}
2333	}	3651	}
2334		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
2335	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
2336	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
2337	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
2338	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2339	(async {	3694	(async {
2340	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
2341	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
2342	};	3698	};
2343		3699
2344	cfg_load;	3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
		3712	reload_config;
2345	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
2346	load_extensions;	3723	load_extensions;
2347		3724
2348	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
2349	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
2350	}	3743	}
2351		3744
2352	#############################################################################	3745	#############################################################################
2353	# initialisation and cleanup	3746	# initialisation and cleanup
2354		3747
2355	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
2356	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
2357	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
2358	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2359	reentrant => 0,
2360	data => WF_AUTOCANCEL,
2361	signal => $signal,
2362	prio => 0,
2363	cb => sub {
2364	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
2365	},
2366	);	3754	};
		3755	}
		3756	}
		3757
		3758	sub write_runtime_sync {
		3759	my $t0 = AE::time;
		3760
		3761	# first touch the runtime file to show we are still running:
		3762	# the fsync below can take a very very long time.
		3763
		3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3765
		3766	my $guard = cf::lock_acquire "write_runtime";
		3767
		3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3769	or return;
		3770
		3771	my $value = $cf::RUNTIME + 90 + 10;
		3772	# 10 is the runtime save interval, for a monotonic clock
		3773	# 60 allows for the watchdog to kill the server.
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	# touch it again to show we are up-to-date
		3783	aio_utime $fh, undef, undef;
		3784
		3785	close $fh
		3786	or return;
		3787
		3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3789	and return;
		3790
		3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3792
2367	}	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
2368	}	3844	}
2369		3845
2370	sub emergency_save() {	3846	sub emergency_save() {
2371	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
2372		3848
2373	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
2374		3855
2375	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
2376	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
2377	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
2378	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
2379	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
2380	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
2381	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
2382	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2383	$pl->save;	3867	$pl->save;
2384	}	3868	}
2385	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
2386		3870
2387	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
2388	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
2389	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
2390	$map->valid or next;	3876	$map->valid or next;
2391	$map->save;	3877	$map->save;
2392	}	3878	}
2393	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
2394		3880
2395	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
2396	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
2397	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
2398	};	3909	};
2399		3910
2400	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
2401	}	3912	}
2402		3913
2403	sub post_cleanup {	3914	sub post_cleanup {
2404	my ($make_core) = @_;	3915	my ($make_core) = @_;
2405		3916
		3917	IO::AIO::flush;
		3918
2406	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
2407	if $make_core;	3920	if $make_core;
2408	}
2409		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
		3949	}
		3950
2410	sub reload() {	3951	sub do_reload_perl() {
2411	# can/must only be called in main	3952	# can/must only be called in main
2412	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
2413	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
2414	return;	3955	return;
2415	}	3956	}
2416		3957
2417	warn "reloading...";	3958	return if $RELOAD++;
2418		3959
2419	warn "entering sync_job";	3960	my $t1 = AE::time;
2420		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
2421	cf::sync_job {	3968	cf::sync_job {
2422	cf::write_runtime; # external watchdog should not bark
2423	cf::emergency_save;	3969	#cf::emergency_save;
2424	cf::write_runtime; # external watchdog should not bark
2425		3970
2426	warn "syncing database to disk";
2427	BDB::db_env_txn_checkpoint $DB_ENV;
2428
2429	# if anything goes wrong in here, we should simply crash as we already saved
2430
2431	warn "cancelling all WF_AUTOCANCEL watchers";
2432	for (Event::all_watchers) {
2433	$_->cancel if $_->data & WF_AUTOCANCEL;
2434	}
2435
2436	warn "flushing outstanding aio requests";
2437	for (;;) {
2438	BDB::flush;
2439	IO::AIO::flush;
2440	Coro::cede;
2441	last unless IO::AIO::nreqs || BDB::nreqs;
2442	warn "iterate...";
2443	}
2444
2445	++$RELOAD;
2446
2447	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
2448	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
2449	%EXT_CORO = ();	3973	%EXT_CORO = ();
2450		3974
2451	warn "removing commands";	3975	trace "perl_reload: removing commands";
2452	%COMMAND = ();	3976	%COMMAND = ();
2453		3977
2454	warn "removing ext commands";	3978	trace "perl_reload: removing ext/exti commands";
2455	%EXTCMD = ();	3979	%EXTCMD = ();
		3980	%EXTICMD = ();
2456		3981
2457	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
2458	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
2459	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
2460		3985
2461	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
2462	eval {	3987	eval {
2463	$cb->($pkg);	3988	$cb->($pkg);
2464	1	3989	1
2465	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
2466	}	3995	}
2467		3996
2468	warn "... nuking $pkg";
2469	Symbol::delete_package $pkg;
2470	}
2471
2472	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2473	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
2474	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2475		4000
2476	warn "... unloading $k";	4001	trace "... unloading $k";
2477	delete $INC{$k};	4002	delete $INC{$k};
2478		4003
2479	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
2480	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
2481		4006
2482	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
2483	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
2484	}	4012	}
2485		4013
2486	Symbol::delete_package $k;
2487	}
2488
2489	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
2490	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
2491	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2492		4017
2493	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
2494	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
		4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2495		4021
2496	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
2497	# and global variables created in xs	4023	# and global variables created in xs
2498	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
2499		4025
2500	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
2501		4027
2502	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
2503	require cf;	4029	require cf;
2504	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
2505		4031
2506	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
2507	cf::cfg_load;	4033	cf::reload_config;
2508		4034
2509	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
2510	cf::load_extensions;	4036	cf::load_extensions;
2511		4037
		4038	if ($REATTACH_ON_RELOAD) {
2512	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
2513	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
2514	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
2515	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
2516	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
2517	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
2518		4046
2519	warn "loading reloadable resources";	4047	cf::_post_init 1;
2520	reload_resources;
2521		4048
2522	warn "leaving sync_job";	4049	trace "perl_reload: leaving sync_job";
2523		4050
2524	1	4051	1
2525	} or do {	4052	} or do {
2526	warn $@;	4053	error $@;
2527	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
2528	exit 1;	4055	};
		4056
		4057	--$RELOAD;
		4058	}
		4059
		4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
		4062	};
		4063
		4064	our $RELOAD_WATCHER; # used only during reload
		4065
		4066	sub reload_perl() {
		4067	# doing reload synchronously and two reloads happen back-to-back,
		4068	# coro crashes during coro_state_free->destroy here.
		4069
		4070	$RELOAD_WATCHER ||= cf::async {
		4071	Coro::AIO::aio_wait cache_extensions;
		4072
		4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4074	do_reload_perl;
		4075	undef $RELOAD_WATCHER;
		4076	};
2529	};	4077	};
2530		4078	}
2531	warn "reloaded";
2532	};
2533
2534	our $RELOAD_WATCHER; # used only during reload
2535		4079
2536	register_command "reload" => sub {	4080	register_command "reload" => sub {
2537	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
2538		4082
2539	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
2540	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
2541		4085	async {
2542	# doing reload synchronously and two reloads happen back-to-back,	4086	$Coro::current->{desc} = "perl_reload";
2543	# coro crashes during coro_state_free->destroy here.
2544
2545	$RELOAD_WATCHER ||= Event->timer (
2546	reentrant => 0,
2547	after => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => sub {
2550	reload;	4087	reload_perl;
2551	undef $RELOAD_WATCHER;
2552	},
2553	);	4088	};
2554	}	4089	}
2555	};	4090	};
2556		4091
2557	unshift @INC, $LIBDIR;	4092	#############################################################################
2558		4093
2559	my $bug_warning = 0;	4094	my $bug_warning = 0;
2560		4095
2561	$TICK_WATCHER = Event->timer (	4096	our @WAIT_FOR_TICK;
2562	reentrant => 0,	4097	our @WAIT_FOR_TICK_BEGIN;
2563	parked => 1,	4098
2564	prio => 0,	4099	sub wait_for_tick() {
2565	at => $NEXT_TICK || $TICK,	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2566	data => WF_AUTOCANCEL,	4101
2567	cb => sub {	4102	my $signal = new Coro::Signal;
		4103	push @WAIT_FOR_TICK, $signal;
		4104	$signal->wait;
		4105	}
		4106
		4107	sub wait_for_tick_begin() {
		4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4109
		4110	my $signal = new Coro::Signal;
		4111	push @WAIT_FOR_TICK_BEGIN, $signal;
		4112	$signal->wait;
		4113	}
		4114
		4115	sub tick {
2568	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
2569	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2570	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
2571	return;	4119	return;
2572	}	4120	}
2573		4121
2574	$NOW = Event::time;
2575
2576	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
2577	$RUNTIME += $TICK;
2578	$NEXT_TICK += $TICK;
2579		4123
		4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4125
2580	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2581	$NEXT_RUNTIME_WRITE = $NOW + 10;	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2582	Coro::async_pool {	4128	Coro::async_pool {
		4129	$Coro::current->{desc} = "runtime saver";
2583	write_runtime	4130	write_runtime_sync
2584	or warn "ERROR: unable to write runtime file: $!";	4131	or error "ERROR: unable to write runtime file: $!";
2585	};
2586	}	4132	};
2587
2588	$WAIT_FOR_TICK->broadcast;
2589	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2590
2591	# my $AFTER = Event::time;
2592	# warn $AFTER - $NOW;#d#
2593
2594	# if we are delayed by four ticks or more, skip them all
2595	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2596
2597	$TICK_WATCHER->at ($NEXT_TICK);
2598	$TICK_WATCHER->start;
2599	},	4133	}
2600	);	4134
		4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4136	$sig->send;
		4137	}
		4138	while (my $sig = shift @WAIT_FOR_TICK) {
		4139	$sig->send;
		4140	}
		4141
		4142	$LOAD = ($NOW - $TICK_START) / $TICK;
		4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4144
		4145	if (0) {
		4146	if ($NEXT_TICK) {
		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
		4151	}
		4152	}
2601		4153
2602	{	4154	{
2603	BDB::max_poll_time $TICK * 0.1;	4155	# configure BDB
2604	$BDB_POLL_WATCHER = Event->io (	4156
2605	reentrant => 0,
2606	fd => BDB::poll_fileno,
2607	poll => 'r',
2608	prio => 0,
2609	data => WF_AUTOCANCEL,
2610	cb => \&BDB::poll_cb,
2611	);
2612	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
2613		4158	BDB::max_poll_reqs $TICK * 0.1;
2614	BDB::set_sync_prepare {	4159	$AnyEvent::BDB::WATCHER->priority (1);
2615	my $status;
2616	my $current = $Coro::current;
2617	(
2618	sub {
2619	$status = $!;
2620	$current->ready; undef $current;
2621	},
2622	sub {
2623	Coro::schedule while defined $current;
2624	$! = $status;
2625	},
2626	)
2627	};
2628		4160
2629	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
2630	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
		4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2631		4168
2632	cf::sync_job {	4169	cf::sync_job {
2633	eval {	4170	eval {
2634	BDB::db_env_open	4171	BDB::db_env_open
2635	$DB_ENV,	4172	$DB_ENV,
2636	$BDB_ENV_DIR,	4173	$BDBDIR,
2637	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4174	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2638	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2639	0666;	4176	0666;
2640		4177
2641	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2642
2643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2644	$DB_ENV->set_lk_detect;
2645	};	4179	};
2646		4180
2647	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
2648	};	4182	};
2649	}	4183	}
		4184
		4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4187	};
		4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4190	};
		4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4193	};
2650	}	4194	}
2651		4195
2652	{	4196	{
		4197	# configure IO::AIO
		4198
2653	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
2654
2655	undef $Coro::AIO::WATCHER;
2656	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
2657	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
2658	reentrant => 0,
2659	data => WF_AUTOCANCEL,
2660	fd => IO::AIO::poll_fileno,
2661	poll => 'r',
2662	prio => 6,
2663	cb => \&IO::AIO::poll_cb,
2664	);
2665	}	4202	}
		4203
		4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
		4206
		4207	sub _log_backtrace {
		4208	my ($msg, @addr) = @_;
		4209
		4210	$msg =~ s/\n$//;
		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4215	# limit the # of concurrent backtraces
		4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
		4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
		4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
		4223	my @bt = fork_call {
		4224	@addr = map { sprintf "%x", $_ } @addr;
		4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4226	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4227	or die "addr2line: $!";
		4228
		4229	my @funcs;
		4230	my @res = <$fh>;
		4231	chomp for @res;
		4232	while (@res) {
		4233	my ($func, $line) = splice @res, 0, 2, ();
		4234	push @funcs, "[$func] $line";
		4235	}
		4236
		4237	@funcs
		4238	};
		4239
		4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4242	LOG llevInfo, "[ABT] $_\n" for @bt;
		4243	--$_log_backtrace;
		4244	};
		4245	} else {
		4246	LOG llevInfo, "[ABT] $msg\n";
		4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4248	}
		4249	}
		4250
		4251	# load additional modules
		4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
2666		4254
2667	END { cf::emergency_save }	4255	END { cf::emergency_save }
2668		4256
2669	1	4257	1
2670		4258

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