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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.210 by root, Mon Feb 12 01:32:49 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	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
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98
53	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
54	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	123	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
61		132
62	our %CFG;	133	our %CFG;
63		134
64	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
66		138
67	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		142
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REALLY_UNLOOP; # never set to true, please :)
		155
79	binmode STDOUT;	156	binmode STDOUT;
80	binmode STDERR;	157	binmode STDERR;
81		158
82	# read virtual server time, if available	159	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
87	}	164	}
88		165
89	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	167
91	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		170
96	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
97		172
98	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::"} };
99		189
100	#############################################################################	190	#############################################################################
101		191
102	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
103		193
…		…
110	=item $cf::RUNTIME	200	=item $cf::RUNTIME
111		201
112	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
113	every server tick.	203	every server tick.
114		204
115	=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
116		208
117	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		213
120	=item $cf::NOW	214	=item $cf::NOW
121		215
122	The time of the last (current) server tick.	216	The time of the last (current) server tick.
123		217
124	=item $cf::TICK	218	=item $cf::TICK
125		219
126	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	232	=item %cf::CFG
129		233
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	235	from wherever your confdir points to.
132		236
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		238
135	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
136	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
137	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.
138	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.
139		259
140	=back	260	=back
141		261
142	=cut	262	=cut
143		263
144	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	271	my $msg = join "", @_;
147	utf8::encode $msg;
148		272
149	$msg .= "\n"	273	$msg .= "\n"
150	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
151		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
152	LOG llevError, $msg;	278	LOG llevWarn, $msg;
153	};	279	};
154	}	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	};
155		294
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		302
163	# 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
164	# within the Safe compartment.	304	# within the Safe compartment.
165	for my $pkg (qw(	305	for my $pkg (qw(
166	cf::global cf::attachable	306	cf::global cf::attachable
167	cf::object cf::object::player	307	cf::object cf::object::player
168	cf::client cf::player	308	cf::client cf::player
169	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
170	cf::map cf::party cf::region	311	cf::party cf::region
171	)) {	312	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	314	}
175		315
176	$Event::DIED = sub {	316	$EV::DIED = sub {
177	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
178	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
179		326
180	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
181		328
182	=over 4	329	=over 4
183		330
…		…
202	$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;
203	$d	350	$d
204	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
205	}	352	}
206		353
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
208		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
209	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
210		369
211	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
212		371
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
221		373
222	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
223		375
224	=cut	376	=cut
225		377
226	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
228	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
229	}	443	}
230		444
231	=item cf::lock_wait $string	445	=item cf::lock_wait $string
232		446
233	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
234		448
235	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
236		450
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
240	returned.	454	returned.
241		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
242	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
243	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
244		461
245	=cut	462	=item $locked = cf::lock_active $string
246		463
247	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;
248		469
249	sub lock_wait($) {	470	sub lock_wait($) {
250	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	472	}
258		473
259	sub lock_acquire($) {	474	sub lock_acquire($) {
260	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
261		477
262	# wait, to be sure we are not locked	478	sub lock_active($) {
263	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	480	}
272		481
273	sub freeze_mainloop {	482	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
275		484
276	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	486	}
278	$WRITE_RUNTIME_WATCHER->start;	487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
279	};	556	}
280	$WRITE_RUNTIME_WATCHER->stop;	557	};
281	$TICK_WATCHER->stop;	558
282	$guard	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
283	}	572	}
284		573
285	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
286		575
287	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		581
293	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
294		583
295	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
296		585
297	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
298	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
299	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.
300		590
301	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
302	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
303	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
304	fast or be very important.	594	fast or be very important.
…		…
306	=cut	596	=cut
307		597
308	sub sync_job(&) {	598	sub sync_job(&) {
309	my ($job) = @_;	599	my ($job) = @_;
310		600
311	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
312	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
314		606
315	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	608
317	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
318		610
319	my $busy = 1;	611	my $busy = 1;
320	my @res;	612	my @res;
321		613
322	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	616	@res = eval { $job->() };
324	warn $@ if $@;	617	error $@ if $@;
325	undef $busy;	618	undef $busy;
326	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
327		620
328	while ($busy) {	621	while ($busy) {
329	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
330	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
331		632
332	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
333	} else {	634	} else {
334	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
335		636
…		…
355	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
356		657
357	$coro	658	$coro
358	}	659	}
359		660
360	sub write_runtime {	661	=item fork_call { }, @args
361	my $runtime = cf::localdir . "/runtime";
362		662
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
364	or return;	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
365		667
366	my $value = $cf::RUNTIME + 90 + 10;	668	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		669
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	670	sub post_fork {
371	and return;	671	reset_signals;
		672	}
372		673
373	# always fsync - this file is important	674	sub fork_call(&@) {
374	aio_fsync $fh	675	my ($cb, @args) = @_;
375	and return;
376		676
377	close $fh	677	# we seemingly have to make a local copy of the whole thing,
378	or return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
379		680
380	aio_rename "$runtime~", $runtime	681	my @res = Coro::Util::fork_eval {
381	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
382		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
383	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 });
384	}	864	}
385		865
386	=back	866	=back
387		867
388	=cut	868	=cut
389		869
390	#############################################################################	870	#############################################################################
391		871
392	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
393		873
394	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
395	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")
396	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
397		877
398	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>
399	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
400	crossfire+).	880	Deliantra).
401		881
402	=over 4	882	=over 4
403		883
404	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
405		885
…		…
449	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
450		930
451	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
452	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
453		933
454	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		936
457	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
458		938
459	=over 4	939	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
569		1049
570	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		1054
575	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
577		1057
578	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
583		1063
584	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		1066
587	} elsif (ref $type) {	1067	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
589		1069
590	} else {	1070	} else {
591	shift @arg;	1071	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
593	}	1073	}
594	}	1074	}
595	}	1075	}
596		1076
597	sub _object_attach {	1077	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
608	}	1088	}
609		1089
610	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
611	} else {	1091	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1093	}
614		1094
615	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
616	}	1096	}
617		1097
…		…
619	if (ref $_[0]) {	1099	if (ref $_[0]) {
620	_object_attach @_;	1100	_object_attach @_;
621	} else {	1101	} else {
622	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
623	}	1103	}
		1104	_recalc_want;
624	};	1105	};
625		1106
626	# all those should be optimised	1107	# all those should be optimised
627	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1113	reattach ($obj);
633	} else {	1114	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
635	}	1116	}
		1117	_recalc_want;
636	};	1118	};
637		1119
638	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
640		1122
…		…
655	";	1137	";
656	die if $@;	1138	die if $@;
657	}	1139	}
658		1140
659	our $override;	1141	our $override;
660	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?
661		1143
662	sub override {	1144	sub override {
663	$override = 1;	1145	$override = 1;
664	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
665	}	1147	}
666		1148
667	sub do_invoke {	1149	sub do_invoke {
668	my $event = shift;	1150	my $event = shift;
669	my $callbacks = shift;	1151	my $callbacks = shift;
670		1152
671	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
672		1154
673	local $override;	1155	local $override;
674		1156
675	for (@$callbacks) {	1157	for (@$callbacks) {
676	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
677		1159
678	if ($@) {	1160	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1162	override;
682	}	1163	}
683		1164
684	return 1 if $override;	1165	return 1 if $override;
685	}	1166	}
686		1167
687	0	1168	0
688	}	1169	}
689		1170
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1172
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1174
694	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
695		1176
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1180
700	=back	1181	=back
701		1182
702	=cut	1183	=cut
703		1184
704	#############################################################################	1185	#############################################################################
705	# 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	}
706		1229
707	sub reattach {	1230	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1232	my ($obj) = @_;
710		1233
		1234	# no longer needed after getting rid of delete_package?
711	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
712		1236
713	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
714		1238
715	@$registry = ();	1239	@$registry = ();
716		1240
…		…
721	for (@$attach) {	1245	for (@$attach) {
722	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
724	}	1248	}
725	} else {	1249	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1251	}
728	}	1252	}
729	}	1253	}
730		1254
731	cf::attachable->attach (	1255	cf::attachable->attach (
732	prio => -1000000,	1256	prio => -1000000,
733	on_instantiate => sub {	1257	on_instantiate => sub {
734	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
735		1259
736	$data = from_json $data;	1260	$data = decode_json $data;
737		1261
738	for (@$data) {	1262	for (@$data) {
739	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
740		1264
741	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1281	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
759		1283
760	sync_job {	1284	sync_job {
761	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
764		1290
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	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	}
769	close $fh;	1298	aio_close $fh;
770		1299
771	if (@$objs) {	1300	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
776	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	}
777	close $fh;	1309	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
779	}	1311	}
780	} else {	1312	} else {
781	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
782	}	1314	}
783		1315
784	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1320	} else {
786	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
787	}	1322	}
788	} else {	1323	} else {
789	aio_unlink $filename;	1324	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
791	}	1326	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1327	};
799	}	1328	}
800		1329
801	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
803		1332
…		…
808		1337
809	sub object_thawer_load {	1338	sub object_thawer_load {
810	my ($filename) = @_;	1339	my ($filename) = @_;
811		1340
812	my ($data, $av);	1341	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1342
817	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
818	or return;	1344	or return;
819		1345
820	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
822	or return;	1348	or return;
		1349
823	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
824	}	1352	}
825		1353
		1354	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
828	return ($data, $av);	1359	($data, $av)
829	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
830		1367
831	#############################################################################	1368	#############################################################################
832	# command handling &c	1369	# command handling &c
833		1370
834	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1385	}
849		1386
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1388
852	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.
853		1394
854	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
855	called.	1396	called.
856		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
857	=cut	1409	=cut
858		1410
859	sub register_extcmd {	1411	sub register_extcmd {
860	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
861		1413
862	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
863	}	1415	}
864		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
865	cf::player->attach (	1425	cf::player->attach (
866	on_command => sub {	1426	on_unknown_command => sub {
867	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
868		1428
869	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
870	or return;	1430	or return;
871		1431
…		…
876	cf::override;	1436	cf::override;
877	},	1437	},
878	on_extcmd => sub {	1438	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
880		1440
881	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1442
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
889	} else {	1458	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1460	}
892		1461
893	cf::override;	1462	cf::override;
894	},	1463	},
895	);	1464	);
896		1465
		1466	# "readahead" all extensions
897	sub load_extension {	1467	sub cache_extensions {
898	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
899		1469
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1473	}
925	die $@;
926	}	1474	};
927		1475
928	push @EXTS, $pkg;	1476	$grp
929	}	1477	}
930		1478
931	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
932	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1486	next unless -r $path;
934	eval {	1487
935	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	}
936	1	1551	}
937	} 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	}
938	}	1562	};
939	}	1563	}
940		1564
941	#############################################################################	1565	#############################################################################
942		1566
		1567	=back
		1568
943	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
944		1570
945	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
946		1572
947	=cut	1573	=cut
948		1574
949	package cf::player;	1575	package cf::player;
950		1576
…		…
952		1578
953	=head3 cf::player	1579	=head3 cf::player
954		1580
955	=over 4	1581	=over 4
956		1582
		1583	=item cf::player::num_playing
		1584
		1585	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1586
		1587	=cut
		1588
		1589	sub num_playing {
		1590	scalar grep
		1591	$_->ob->map
		1592	&& !$_->hidden
		1593	&& !$_->ob->flag (cf::FLAG_WIZ),
		1594	cf::player::list
		1595	}
		1596
957	=item cf::player::find $login	1597	=item cf::player::find $login
958		1598
959	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
960		1600
961	=cut	1601	=cut
962		1602
963	sub playerdir($) {	1603	sub playerdir($) {
964	cf::localdir	1604	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1605	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1606	}
970		1607
971	sub path($) {	1608	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1609	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1610
974	(playerdir $login) . "/$login.pl"	1611	(playerdir $login) . "/playerdata"
975	}	1612	}
976		1613
977	sub find_active($) {	1614	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1615	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1616	and $cf::PLAYER{$_[0]}->active
…		…
982		1619
983	sub exists($) {	1620	sub exists($) {
984	my ($login) = @_;	1621	my ($login) = @_;
985		1622
986	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
988	}	1625	}
989		1626
990	sub find($) {	1627	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1629	my $login = $_[0];
993		1630
994	my $guard = cf::lock_acquire "user_find:$login";	1631	my $guard = cf::lock_acquire "user_find:$login";
995		1632
996	$cf::PLAYER{$_[0]} || do {	1633	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1634	# rename old playerfiles to new ones
		1635	#TODO: remove when no longer required
		1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1639	aio_unlink +(playerdir $login) . "/$login.pl";
		1640
		1641	my $f = new_from_file cf::object::thawer path $login
998	or return;	1642	or return;
		1643
		1644	my $pl = cf::player::load_pl $f
		1645	or return;
		1646
		1647	local $cf::PLAYER_LOADING{$login} = $pl;
		1648	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
1000	}	1650	}
1001	}	1651	}
1002	}	1652	}
		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
1003		1666
1004	sub save($) {	1667	sub save($) {
1005	my ($pl) = @_;	1668	my ($pl) = @_;
1006		1669
1007	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1013		1676
1014	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1016		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1684
1017	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1018	Coro::cede;	1686	cf::cede_to_tick;
1019	}	1687	}
1020		1688
1021	sub new($) {	1689	sub new($) {
1022	my ($login) = @_;	1690	my ($login) = @_;
1023		1691
…		…
1029	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1030		1698
1031	$self	1699	$self
1032	}	1700	}
1033		1701
		1702	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1703
		1704	=cut
		1705
		1706	sub send_msg {
		1707	my $ns = shift->ns
		1708	or return;
		1709	$ns->send_msg (@_);
		1710	}
		1711
1034	=item $pl->quit_character	1712	=item $pl->quit_character
1035		1713
1036	Nukes the player without looking back. If logged in, the connection will	1714	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1038		1716
1039	=cut	1717	=cut
1040		1718
1041	sub quit_character {	1719	sub quit_character {
1042	my ($pl) = @_;	1720	my ($pl) = @_;
1043		1721
		1722	my $name = $pl->ob->name;
		1723
1044	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1726
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1048	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1050	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1051		1735
1052	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1739	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1740	$pl->destroy;
		1741
		1742	my $prefix = qr<^~\Q$name\E/>;
		1743
		1744	# nuke player maps
		1745	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1746
1057	IO::AIO::aio_rmtree $temp;	1747	IO::AIO::aio_rmtree $temp;
		1748	}
		1749
		1750	=item $pl->kick
		1751
		1752	Kicks a player out of the game. This destroys the connection.
		1753
		1754	=cut
		1755
		1756	sub kick {
		1757	my ($pl, $kicker) = @_;
		1758
		1759	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1760	$pl->killer ("kicked");
		1761	$pl->ns->destroy;
1058	}	1762	}
1059		1763
1060	=item cf::player::list_logins	1764	=item cf::player::list_logins
1061		1765
1062	Returns am arrayref of all valid playernames in the system, can take a	1766	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1767	while and may block, so not sync_job-capable, ever.
1064		1768
1065	=cut	1769	=cut
1066		1770
1067	sub list_logins {	1771	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1772	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1773	or return [];
1070		1774
1071	my @logins;	1775	my @logins;
1072		1776
1073	for my $login (@$dirs) {	1777	for my $login (@$dirs) {
		1778	my $path = path $login;
		1779
		1780	# a .pst is a dead give-away for a valid player
		1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1077		1787
1078	utf8::decode $login;	1788	utf8::decode $login;
1079	push @logins, $login;	1789	push @logins, $login;
1080	}	1790	}
1081		1791
1082	\@logins	1792	\@logins
1083	}	1793	}
1084		1794
1085	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1086		1798
1087	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1088	player. May block.	1800	player. May block.
1089		1801
1090	=cut	1802	=cut
…		…
1108	}	1820	}
1109		1821
1110	\@paths	1822	\@paths
1111	}	1823	}
1112		1824
		1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1826
		1827	Expand deliantra pod fragments into protocol xml.
		1828
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1829	=item $player->ext_reply ($msgid, @msg)
1114		1830
1115	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1116		1832
1117	=cut	1833	=cut
1118		1834
1119	sub ext_reply($$$%) {	1835	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1121		1837
1122	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1839	}
1126		1840
1127	package cf;	1841	=item $player->ext_msg ($type, @msg)
		1842
		1843	Sends an ext event to the client.
		1844
		1845	=cut
		1846
		1847	sub ext_msg($$@) {
		1848	my ($self, $type, @msg) = @_;
		1849
		1850	$self->ns->ext_msg ($type, @msg);
		1851	}
		1852
		1853	=head3 cf::region
		1854
		1855	=over 4
		1856
		1857	=cut
		1858
		1859	package cf::region;
		1860
		1861	=item cf::region::find_by_path $path
		1862
		1863	Tries to decuce the likely region for a map knowing only its path.
		1864
		1865	=cut
		1866
		1867	sub find_by_path($) {
		1868	my ($path) = @_;
		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
		1871
		1872	my ($match, $specificity);
		1873
		1874	for my $region (list) {
		1875	if ($region->{match} && $path =~ $region->{match}) {
		1876	($match, $specificity) = ($region, $region->specificity)
		1877	if $region->specificity > $specificity;
		1878	}
		1879	}
		1880
		1881	$match
		1882	}
1128		1883
1129	=back	1884	=back
1130
1131		1885
1132	=head3 cf::map	1886	=head3 cf::map
1133		1887
1134	=over 4	1888	=over 4
1135		1889
…		…
1147	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1149		1903
1150	sub generate_random_map {	1904	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1152	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1153	$self->_create_random_map (	1909	$self->_create_random_map ($rmp);
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157	$rmp->{exit_on_final_map},
1158	$rmp->{xsize}, $rmp->{ysize},
1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1164	(cf::region::find $rmp->{region}), $rmp->{custom}
1165	)
1166	}	1910	}
1167		1911
1168	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1169		1913
1170	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1175		1919
1176	sub register {	1920	sub register {
1177	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1178	my $pkg = caller;	1922	my $pkg = caller;
1179		1923
1180	no strict;
1181	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1182		1925
1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184	}	1927	}
1185		1928
1186	# also paths starting with '/'	1929	# also paths starting with '/'
1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1188		1931
1189	sub thawer_merge {	1932	sub thawer_merge {
1190	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1191		1934
1192	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
1193	local $self->{path};	1936	local $self->{path};
1194	local $self->{load_path};	1937	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1938
1198	$self->SUPER::thawer_merge ($merge);	1939	$self->SUPER::thawer_merge ($merge);
1199	}	1940	}
1200		1941
1201	sub normalise {	1942	sub normalise {
1202	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1203		1944
1204	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1205		1946
1206	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1207		1948
1208	# map plan:	1949	# map plan:
1209	#	1950	#
…		…
1224	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1225	$path = "$base/$path";	1966	$path = "$base/$path";
1226	}	1967	}
1227		1968
1228	for ($path) {	1969	for ($path) {
1229	redo if s{//}{/};
1230	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1231	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1232	}	1972	}
1233		1973
1234	$path	1974	$path
…		…
1248	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1249	return $self;	1989	return $self;
1250	}	1990	}
1251	}	1991	}
1252		1992
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1254	()	1994	()
1255	}	1995	}
1256		1996
1257	sub init {	1997	sub init {
1258	my ($self) = @_;	1998	my ($self) = @_;
…		…
1273		2013
1274	# the original (read-only) location	2014	# the original (read-only) location
1275	sub load_path {	2015	sub load_path {
1276	my ($self) = @_;	2016	my ($self) = @_;
1277		2017
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2018	"$MAPDIR/$self->{path}.map"
1279	}	2019	}
1280		2020
1281	# the temporary/swap location	2021	# the temporary/swap location
1282	sub save_path {	2022	sub save_path {
1283	my ($self) = @_;	2023	my ($self) = @_;
1284		2024
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2026	"$TMPDIR/$path.map"
1287	}	2027	}
1288		2028
1289	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1290	sub uniq_path {	2030	sub uniq_path {
1291	my ($self) = @_;	2031	my ($self) = @_;
1292		2032
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2034	"$UNIQUEDIR/$path"
1295	}	2035	}
1296		2036
1297	# and all this just because we cannot iterate over	2037	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	2038	my ($self) = @_;
1301		2039
1302	$_->change_map_light ($change)	2040	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	2041
		2042	$self->do_decay_objects;
1304	}	2043	}
1305		2044
1306	sub unlink_save {	2045	sub unlink_save {
1307	my ($self) = @_;	2046	my ($self) = @_;
1308		2047
1309	utf8::encode (my $save = $self->save_path);	2048	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2049	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2050	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	2051	}
1318		2052
1319	sub load_header_from($) {	2053	sub load_header_from($) {
1320	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1321		2055
1322	utf8::encode $path;	2056	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2058	or return;
		2059
		2060	$self->_load_header ($f)
		2061	or return;
		2062
		2063	local $MAP_LOADING{$self->{path}} = $self;
		2064	$f->resolve_delayed_derefs;
1328		2065
1329	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1330		2067
1331	1	2068	1
1332	}	2069	}
…		…
1371	$self->load_header_orig	2108	$self->load_header_orig
1372	or return;	2109	or return;
1373	$self->prepare_orig;	2110	$self->prepare_orig;
1374	}	2111	}
1375		2112
		2113	$self->{deny_reset} = 1
		2114	if $self->no_reset;
		2115
		2116	$self->default_region (cf::region::find_by_path $self->{path})
		2117	unless $self->default_region;
		2118
1376	1	2119	1
1377	}	2120	}
1378		2121
1379	sub find;	2122	sub find;
1380	sub find {	2123	sub find {
1381	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1382		2125
		2126	cf::cede_to_tick;
		2127
1383	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1384		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2132
1387	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1390	or return;	2135	or return;
1391		2136
1392	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1393		2138
1394	$map->load_header	2139	$map->load_header
1395	or return;	2140	or return;
1396		2141
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1400	$map->reset;	2147	$map->reset;
1401	undef $guard;
1402	return find $path;	2148	return find $path;
1403	}	2149	}
1404		2150
1405	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1406	}	2152	}
1407	}	2153	}
1408		2154
1409	sub pre_load { }	2155	sub pre_load { }
1410	sub post_load { }	2156	#sub post_load { } # XS
1411		2157
1412	sub load {	2158	sub load {
1413	my ($self) = @_;	2159	my ($self) = @_;
1414		2160
1415	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
1416		2162
1417	my $path = $self->{path};	2163	my $path = $self->{path};
		2164
		2165	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1419		2167
		2168	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2170
1422	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1423		2172
1424	$self->alloc;	2173	$self->alloc;
1425		2174
1426	$self->pre_load;	2175	$self->pre_load;
		2176	cf::cede_to_tick;
1427		2177
1428	$self->_load_objects ($self->{load_path}, 1)	2178	my $f = new_from_file cf::object::thawer $self->{load_path};
		2179	$f->skip_block;
		2180	$self->_load_objects ($f)
1429	or return;	2181	or return;
1430		2182
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1432	if delete $self->{load_original};	2184	if delete $self->{load_original};
1433		2185
1434	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2187	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2190	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1439	}	2194	}
1440	}	2195	}
1441		2196
1442	Coro::cede;	2197	$f->resolve_delayed_derefs;
1443		2198
		2199	cf::cede_to_tick;
1444	# now do the right thing for maps	2200	# now do the right thing for maps
1445	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1446
1447	unless ($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)	2202	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2203	unless $self->difficulty;
1455	Coro::cede;	2204	cf::cede_to_tick;
		2205
		2206	unless ($self->{deny_activate}) {
		2207	$self->decay_objects;
		2208	$self->fix_auto_apply;
		2209	$self->update_buttons;
		2210	cf::cede_to_tick;
1456	$self->activate;	2211	$self->activate;
		2212	}
		2213
		2214	$self->{last_save} = $cf::RUNTIME;
		2215	$self->last_access ($cf::RUNTIME);
		2216
		2217	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2218	}
1458		2219
1459	$self->post_load;	2220	$self->post_load;
1460		2221
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2222	1
1462	}	2223	}
1463		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2228	sub customise_for {
1465	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1466		2230
1467	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2232	if $self->per_player;
1469		2233
		2234	# return find "?party/" . $ob->name . "/" . $self->{path}
		2235	# if $self->per_party;
		2236
1470	$self	2237	$self
1471	}	2238	}
1472		2239
1473	# find and load all maps in the 3x3 area around a map	2240	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2241	sub load_neighbours {
1475	my ($map) = @_;	2242	my ($map) = @_;
1476		2243
1477	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1478		2245
1479	for (0 .. 3) {	2246	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1481	or next;	2248	or next;
1482	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1483	or next;	2250	or next;
1484	$neigh->load;	2251	$neigh->load;
1485		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2257	}
1489		2258
1490	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1492	or next;	2262	or next;
1493	$neigh->load;	2263	$neigh->load;
1494	}	2264	}
1495	}	2265	}
1496		2266
1497	sub find_sync {	2267	sub find_sync {
1498	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1499		2269
1500	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
1501	}	2274	}
1502		2275
1503	sub do_load_sync {	2276	sub do_load_sync {
1504	my ($map) = @_;	2277	my ($map) = @_;
1505		2278
1506	cf::sync_job { $map->load };	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2280	if $Coro::current == $Coro::main;
		2281
		2282	$map->load;
1507	}	2283	}
1508		2284
1509	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1511		2287
1512	sub find_async {	2288	sub find_async {
1513	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1514		2290
1515	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1516		2292
1517	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2295	}
1520		2296
1521	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1522	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1523	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2304	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2305	$map->load if $v;
		2306	}
1528		2307
1529	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1530	}	2309	}
1531	}	2310	}
1532	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1533	};	2312	};
1534	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1535		2314
1536	()	2315	()
1537	}	2316	}
1538		2317
		2318	# common code, used by both ->save and ->swapout
1539	sub save {	2319	sub _save {
1540	my ($self) = @_;	2320	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2321
1544	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1545		2323
1546	return unless $self->dirty;	2324	return unless $self->dirty;
1547		2325
…		…
1553	return if $self->{deny_save};	2331	return if $self->{deny_save};
1554		2332
1555	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1556		2334
1557	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1559	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1560		2341
1561	if ($uniq) {	2342	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2345	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2347	}
1567	}	2348	}
1568		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1569	sub swap_out {	2358	sub swap_out {
1570	my ($self) = @_;	2359	my ($self) = @_;
1571		2360
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1577	return if $self->players;	2365	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
		2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
1581	$self->clear;	2376	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2377	}
1584		2378
1585	sub reset_at {	2379	sub reset_at {
1586	my ($self) = @_;	2380	my ($self) = @_;
1587		2381
1588	# TODO: safety, remove and allow resettable per-player maps	2382	# 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};	2383	return 1e99 if $self->{deny_reset};
1591		2384
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2386	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2387
…		…
1605	my ($self) = @_;	2398	my ($self) = @_;
1606		2399
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2401
1609	return if $self->players;	2402	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2403
1612	warn "resetting map ", $self->path;#d#	2404	cf::trace "resetting map ", $self->path, "\n";
1613		2405
1614	$self->in_memory (cf::MAP_SWAPPED);	2406	$self->in_memory (cf::MAP_SWAPPED);
1615		2407
1616	# need to save uniques path	2408	# need to save uniques path
1617	unless ($self->{deny_save}) {	2409	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2413	if $uniq;
1622	}	2414	}
1623		2415
1624	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
1625		2417
		2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2420	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2421
1630	$self->unlink_save;	2422	$self->unlink_save;
1631	$self->destroy;	2423	$self->destroy;
1632	}	2424	}
1633		2425
1634	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
1635		2427
1636	sub nuke {	2428	sub nuke {
1637	my ($self) = @_;	2429	my ($self) = @_;
1638		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
1639	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
1640		2435
1641	$self->unlink_save;	2436	$self->unlink_save;
1642		2437
1643	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2443
1649	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
1650		2446
1651	$self->reset; # polite request, might not happen	2447	$self->reset; # polite request, might not happen
		2448	}
		2449
		2450	=item $maps = cf::map::tmp_maps
		2451
		2452	Returns an arrayref with all map paths of currently instantiated and saved
		2453	maps. May block.
		2454
		2455	=cut
		2456
		2457	sub tmp_maps() {
		2458	[
		2459	map {
		2460	utf8::decode $_;
		2461	/\.map$/
		2462	? normalise $_
		2463	: ()
		2464	} @{ aio_readdir $TMPDIR or [] }
		2465	]
		2466	}
		2467
		2468	=item $maps = cf::map::random_maps
		2469
		2470	Returns an arrayref with all map paths of currently instantiated and saved
		2471	random maps. May block.
		2472
		2473	=cut
		2474
		2475	sub random_maps() {
		2476	[
		2477	map {
		2478	utf8::decode $_;
		2479	/\.map$/
		2480	? normalise "?random/$_"
		2481	: ()
		2482	} @{ aio_readdir $RANDOMDIR or [] }
		2483	]
1652	}	2484	}
1653		2485
1654	=item cf::map::unique_maps	2486	=item cf::map::unique_maps
1655		2487
1656	Returns an arrayref of paths of all shared maps that have	2488	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2489	instantiated unique items. May block.
1658		2490
1659	=cut	2491	=cut
1660		2492
1661	sub unique_maps() {	2493	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2494	[
1663	or return;	2495	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2496	utf8::decode $_;
1669	next if /\.pst$/;	2497	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2499	? ()
1672	push @paths, cf::map::normalise $_;	2500	: normalise $_
		2501	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2502	]
1674
1675	\@paths
1676	}	2503	}
1677		2504
1678	package cf;	2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
1679		2536
1680	=back	2537	=back
1681		2538
1682	=head3 cf::object	2539	=head3 cf::object
1683		2540
…		…
1687		2544
1688	=over 4	2545	=over 4
1689		2546
1690	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
1691		2548
1692	Returns the inventory of the object _and_ their inventories, recursively.	2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
1693		2551
1694	=cut	2552	=cut
1695		2553
1696	sub inv_recursive_;	2554	sub inv_recursive_;
1697	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
1700		2558
1701	sub inv_recursive {	2559	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
1703	}	2561	}
1704		2562
		2563	=item $ref = $ob->ref
		2564
		2565	Creates and returns a persistent reference to an object that can be stored as a string.
		2566
		2567	=item $ob = cf::object::deref ($refstring)
		2568
		2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2570	even if the object actually exists. May block.
		2571
		2572	=cut
		2573
		2574	sub deref {
		2575	my ($ref) = @_;
		2576
		2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2578	my ($uuid, $name) = ($1, $2);
		2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2580	or return;
		2581	$pl->ob->uuid eq $uuid
		2582	or return;
		2583
		2584	$pl->ob
		2585	} else {
		2586	warn "$ref: cannot resolve object reference\n";
		2587	undef
		2588	}
		2589	}
		2590
1705	package cf;	2591	package cf;
1706		2592
1707	=back	2593	=back
1708		2594
1709	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2601	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2602	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
1718		2604
1719	=cut	2605	=cut
		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
1720		2620
1721	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2622	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
1726		2626
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2627	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2628
1729	if ($self->{record_replies}) {	2629	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2630	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2631
1731	} else {	2632	} else {
		2633	my $pl = $self->contr;
		2634
		2635	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2636	my $dialog = $pl->{npc_dialog};
		2637	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2638
		2639	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2642	}
1734	}	2643	}
		2644	}
		2645
		2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2647
		2648	=cut
		2649
		2650	sub cf::object::send_msg {
		2651	my $pl = shift->contr
		2652	or return;
		2653	$pl->send_msg (@_);
1735	}	2654	}
1736		2655
1737	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
1738		2657
1739	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
1752		2671
1753	=item $player_object->enter_link	2672	=item $player_object->enter_link
1754		2673
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2675
1757	The player should be reasonably safe there for short amounts of time. You	2676	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
1759		2680
1760	Will never block.	2681	Will never block.
1761		2682
1762	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
1763		2684
…		…
1783	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2705	my ($self) = @_;
1785		2706
1786	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
1787		2708
		2709	++$self->{_link_recursion};
		2710
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2712
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2714	if $self->map && $self->map->{path} ne "{link}";
1792		2715
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2717	}
1795		2718
1796	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
		2721
		2722	return unless $self->contr->active;
1798		2723
1799	my $link_pos = delete $self->{_link_pos};	2724	my $link_pos = delete $self->{_link_pos};
1800		2725
1801	unless ($map) {	2726	unless ($map) {
1802	# restore original map position	2727	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
1815		2740
1816	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
1819		2744
1820	$map->load;	2745	$map->load;
1821	$map->load_diag;	2746	$map->load_neighbours;
1822		2747
1823	return unless $self->contr->active;	2748	return unless $self->contr->active;
		2749
		2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2751	if ($self->enter_map ($map, $x, $y)) {
		2752	# entering was successful
		2753	delete $self->{_link_recursion};
		2754	# only activate afterwards, to support waiting in hooks
1824	$self->activate_recursive;	2755	$self->activate_recursive;
1825	$self->enter_map ($map, $x, $y);
1826	}
1827
1828	cf::player->attach (
1829	on_logout => sub {
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},	2756	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2757
1842	# try to abort aborted map switching on player login :)	2758	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
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	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2759
1860	=item $player_object->goto ($path, $x, $y)	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		2761
		2762	Moves the player to the given map-path and coordinates by first freezing
		2763	her, loading and preparing them map, calling the provided $check callback
		2764	that has to return the map if sucecssful, and then unfreezes the player on
		2765	the new (success) or old (failed) map position. In either case, $done will
		2766	be called at the end of this process.
		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
		2770
1862	=cut	2771	=cut
		2772
		2773	our $GOTOGEN;
1863		2774
1864	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
		2783
		2784	# do generation counting so two concurrent goto's will be executed in-order
		2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2786
1867	$self->enter_link;	2787	$self->enter_link;
1868		2788
1869	(async {	2789	(async {
		2790	$Coro::current->{desc} = "player::goto $path $x $y";
		2791
		2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
1870	my $map = eval {	2811	my $map = eval {
1871	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
		2813
		2814	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2815	$map = $map->customise_for ($self);
		2816	$map = $check->($map, $x, $y, $self) if $check && $map;
		2817	} else {
		2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2819	}
		2820
1873	$map	2821	$map
		2822	};
		2823
		2824	if ($@) {
		2825	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2826	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2827	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2828
		2829	if ($gen == $self->{_goto_generation}) {
		2830	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
		2832	}
		2833
		2834	$done->($self) if $done;
1878	})->prio (1);	2835	})->prio (1);
1879	}	2836	}
1880		2837
1881	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
1882		2839
…		…
1902	}	2859	}
1903		2860
1904	sub prepare_random_map {	2861	sub prepare_random_map {
1905	my ($exit) = @_;	2862	my ($exit) = @_;
1906		2863
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2866	# that depends on the exit object
1912		2867
1913	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2870	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
1920	}	2877	}
1921		2878
1922	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
1923		2880
1924	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
1927		2884
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2887	undef $fh;
1931	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
1932		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
1935	}	2896	}
1936	}	2897	}
1937		2898
1938	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
1940		2901
1941	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
1942		2903
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2904	$self->enter_link;
1953		2905
1954	(async {	2906	(async {
1955	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
1956	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
		2916	prepare_random_map $exit
		2917	if $exit->slaying eq "/!";
		2918	}
		2919
		2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
		2923
1957	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
1958		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
1959	1;	2930	1
1960	}) {	2931	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2936
1966	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	2938	$self->leave_link;
1968	}	2939	}
1969	})->prio (1);	2940	})->prio (1);
1970	}	2941	}
1971		2942
…		…
1982		2953
1983	sub cf::client::send_drawinfo {	2954	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2955	my ($self, $text, $flags) = @_;
1985		2956
1986	utf8::encode $text;	2957	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2959	}
1989		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
		2984	}
		2985
		2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2987
		2988	Send a drawinfo or msg packet to the client, formatting the msg for the
		2989	client if neccessary. C<$type> should be a string identifying the type of
		2990	the message, with C<log> being the default. If C<$color> is negative, suppress
		2991	the message unless the client supports the msg packet.
		2992
		2993	=cut
		2994
		2995	# non-persistent channels (usually the info channel)
		2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
		3003	"c/identify" => {
		3004	id => "infobox",
		3005	title => "Identify",
		3006	reply => undef,
		3007	tooltip => "Items recently identified",
		3008	},
		3009	"c/examine" => {
		3010	id => "infobox",
		3011	title => "Examine",
		3012	reply => undef,
		3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
		3107	);
		3108
		3109	sub cf::client::send_msg {
		3110	my ($self, $channel, $msg, $color, @extra) = @_;
		3111
		3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
		3114
		3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3116
		3117	# check predefined channels, for the benefit of C
		3118	if ($CHANNEL{$channel}) {
		3119	$channel = $CHANNEL{$channel};
		3120
		3121	$self->ext_msg (channel_info => $channel);
		3122	$channel = $channel->{id};
		3123
		3124	} elsif (ref $channel) {
		3125	# send meta info to client, if not yet sent
		3126	unless (exists $self->{channel}{$channel->{id}}) {
		3127	$self->{channel}{$channel->{id}} = $channel;
		3128	$self->ext_msg (channel_info => $channel);
		3129	}
		3130
		3131	$channel = $channel->{id};
		3132	}
		3133
		3134	return unless @extra || length $msg;
		3135
		3136	# default colour, mask it out
		3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3138	if $color & cf::NDI_DEF;
		3139
		3140	my $pkt = "msg "
		3141	. $self->{json_coder}->encode (
		3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3143	);
		3144
		3145	$self->send_big_packet ($pkt);
		3146	}
		3147
		3148	=item $client->ext_msg ($type, @msg)
		3149
		3150	Sends an ext event to the client.
		3151
		3152	=cut
		3153
		3154	sub cf::client::ext_msg($$@) {
		3155	my ($self, $type, @msg) = @_;
		3156
		3157	if ($self->extcmd == 2) {
		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
		3160	push @msg, msgtype => "event_$type";
		3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		3172	my ($self, $id, @msg) = @_;
		3173
		3174	if ($self->extcmd == 2) {
		3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3176	} elsif ($self->extcmd == 1) {
		3177	#TODO: version 1, remove
		3178	unshift @msg, msgtype => "reply", msgid => $id;
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
1990		3182
1991	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
1992		3184
1993	Queues a query to the client, calling the given callback with	3185	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3186	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3187	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		3188
1997	Queries can fail, so check the return code. Or don't, as queries will become	3189	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	3190	become reliable at some point in the future.
1999		3191
2000	=cut	3192	=cut
2001		3193
2002	sub cf::client::query {	3194	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3195	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3203	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3204	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3205
2014	$self->send_packet ($self->{query_queue}[0][0])	3206	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3207	if @{ $self->{query_queue} } == 1;
		3208
		3209	1
2016	}	3210	}
2017		3211
2018	cf::client->attach (	3212	cf::client->attach (
		3213	on_connect => sub {
		3214	my ($ns) = @_;
		3215
		3216	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3217	},
2019	on_reply => sub {	3218	on_reply => sub {
2020	my ($ns, $msg) = @_;	3219	my ($ns, $msg) = @_;
2021		3220
2022	# this weird shuffling is so that direct followup queries	3221	# this weird shuffling is so that direct followup queries
2023	# get handled first	3222	# get handled first
…		…
2035	} else {	3234	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3235	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3236	}
2038	}	3237	}
2039	},	3238	},
		3239	on_exticmd => sub {
		3240	my ($ns, $buf) = @_;
		3241
		3242	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3243
		3244	if (ref $msg) {
		3245	my ($type, $reply, @payload) =
		3246	"ARRAY" eq ref $msg
		3247	? @$msg
		3248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3249
		3250	my @reply;
		3251
		3252	if (my $cb = $EXTICMD{$type}) {
		3253	@reply = $cb->($ns, @payload);
		3254	}
		3255
		3256	$ns->ext_reply ($reply, @reply)
		3257	if $reply;
		3258
		3259	} else {
		3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3261	}
		3262
		3263	cf::override;
		3264	},
2040	);	3265	);
2041		3266
2042	=item $client->async (\&cb)	3267	=item $client->async (\&cb)
2043		3268
2044	Create a new coroutine, running the specified callback. The coroutine will	3269	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3285
2061	$coro	3286	$coro
2062	}	3287	}
2063		3288
2064	cf::client->attach (	3289	cf::client->attach (
2065	on_destroy => sub {	3290	on_client_destroy => sub {
2066	my ($ns) = @_;	3291	my ($ns) = @_;
2067		3292
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3294	},
2070	);	3295	);
…		…
2085	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2087		3312
2088	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2089		3314
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2091		3320
2092	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2093		3322
2094	=pod	3323	=pod
2095		3324
2096	The following fucntions and emthods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2097		3326
2098	cf::object contr pay_amount pay_player map	3327	cf::object
		3328	contr pay_amount pay_player map x y force_find force_add destroy
		3329	insert remove name archname title slaying race decrease split
		3330	value
		3331
2099	cf::object::player player	3332	cf::object::player
2100	cf::player peaceful	3333	player
2101	cf::map trigger	3334
		3335	cf::player
		3336	peaceful
		3337
		3338	cf::map
		3339	trigger
2102		3340
2103	=cut	3341	=cut
2104		3342
2105	for (	3343	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2110	) {	3350	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3353	for @funs;
2115	}	3354	}
2116		3355
…		…
2131		3370
2132	my $qcode = $code;	3371	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2135		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2136	local $_;	3378	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3379
2139	my $eval =	3380	my $eval =
2140	"do {\n"	3381	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3384	. $code
2144	. "\n}"	3385	. "\n}"
2145	;	3386	;
2146		3387
		3388	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2150		3397
2151	if ($@) {	3398	if ($@) {
2152	warn "$@";	3399	warn "$@",
2153	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2155	}	3402	}
2156		3403
2157	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2158	}	3405	}
2159		3406
…		…
2173	=cut	3420	=cut
2174		3421
2175	sub register_script_function {	3422	sub register_script_function {
2176	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2177		3424
2178	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2180	}	3427	}
2181		3428
2182	=back	3429	=back
2183		3430
2184	=cut	3431	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3432
2258	#############################################################################	3433	#############################################################################
2259	# the server's init and main functions	3434	# the server's init and main functions
2260		3435
		3436	sub load_facedata($) {
		3437	my ($path) = @_;
		3438
		3439	# HACK to clear player env face cache, we need some signal framework
		3440	# for this (global event?)
		3441	%ext::player_env::MUSIC_FACE_CACHE = ();
		3442
		3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3444
		3445	trace "loading facedata from $path\n";
		3446
		3447	my $facedata = decode_storable load_file $path;
		3448
		3449	$facedata->{version} == 2
		3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3451
		3452	# patch in the exptable
		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3454	$facedata->{resource}{"res/exp_table"} = {
		3455	type => FT_RSRC,
		3456	data => $exp_table,
		3457	hash => (Digest::MD5::md5 $exp_table),
		3458	};
		3459	cf::cede_to_tick;
		3460
		3461	{
		3462	my $faces = $facedata->{faceinfo};
		3463
		3464	while (my ($face, $info) = each %$faces) {
		3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3466
		3467	cf::face::set_visibility $idx, $info->{visibility};
		3468	cf::face::set_magicmap $idx, $info->{magicmap};
		3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3472
		3473	cf::cede_to_tick;
		3474	}
		3475
		3476	while (my ($face, $info) = each %$faces) {
		3477	next unless $info->{smooth};
		3478
		3479	my $idx = cf::face::find $face
		3480	or next;
		3481
		3482	if (my $smooth = cf::face::find $info->{smooth}) {
		3483	cf::face::set_smooth $idx, $smooth;
		3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3485	} else {
		3486	error "smooth face '$info->{smooth}' not found for face '$face'";
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	{
		3494	my $anims = $facedata->{animinfo};
		3495
		3496	while (my ($anim, $info) = each %$anims) {
		3497	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3498	cf::cede_to_tick;
		3499	}
		3500
		3501	cf::anim::invalidate_all; # d'oh
		3502	}
		3503
		3504	{
		3505	my $res = $facedata->{resource};
		3506
		3507	while (my ($name, $info) = each %$res) {
		3508	if (defined $info->{type}) {
		3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3510
		3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3512	cf::face::set_type $idx, $info->{type};
		3513	} else {
		3514	$RESOURCE{$name} = $info; # unused
		3515	}
		3516
		3517	cf::cede_to_tick;
		3518	}
		3519	}
		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3522
		3523	1
		3524	}
		3525
		3526	register_exticmd fx_want => sub {
		3527	my ($ns, $want) = @_;
		3528
		3529	while (my ($k, $v) = each %$want) {
		3530	$ns->fx_want ($k, $v);
		3531	}
		3532	};
		3533
2261	sub load_resources {	3534	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
		3543
		3544	sub reload_regions {
		3545	# HACK to clear player env face cache, we need some signal framework
		3546	# for this (global event?)
		3547	%ext::player_env::MUSIC_FACE_CACHE = ();
		3548
		3549	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3550	or die "unable to load regions file\n";
2264	}
2265		3551
2266	sub cfg_load {	3552	for (cf::region::list) {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3553	$_->{match} = qr/$_->{match}/
2268	or return;	3554	if exists $_->{match};
		3555	}
		3556	}
2269		3557
2270	local $/;	3558	sub reload_facedata {
2271	*CFG = YAML::Syck::Load <$fh>;	3559	load_facedata "$DATADIR/facedata"
		3560	or die "unable to load facedata\n";
		3561	}
2272		3562
		3563	sub reload_archetypes {
		3564	load_resource_file "$DATADIR/archetypes"
		3565	or die "unable to load archetypes\n";
		3566	}
		3567
		3568	sub reload_treasures {
		3569	load_resource_file "$DATADIR/treasures"
		3570	or die "unable to load treasurelists\n";
		3571	}
		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
		3593	sub reload_resources {
		3594	trace "reloading resource files...\n";
		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
		3601	reload_regions;
		3602	reload_treasures;
		3603
		3604	trace "finished reloading resource files\n";
		3605	}
		3606
		3607	sub reload_config {
		3608	trace "reloading config file...\n";
		3609
		3610	my $config = load_file "$CONFDIR/config";
		3611	utf8::decode $config;
		3612	*CFG = decode_yaml $config;
		3613
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3615
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2277		3618
2278	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2282	};	3623	};
2283	warn $@ if $@;	3624	warn $@ if $@;
2284	}	3625	}
2285	}	3626	}
2286		3627
2287	sub init {	3628	sub pidfile() {
2288	load_resources;	3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3654	}
2290		3655
2291	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
2292	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3669	(async {
2296	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2298	};	3673	};
2299		3674
2300	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
		3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
		3687	reload_config;
2301	db_init;	3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
2302	load_extensions;	3698	load_extensions;
2303		3699
2304	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2305	Event::loop;	3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
2306	}	3718	}
2307		3719
2308	#############################################################################	3720	#############################################################################
2309	# initialisation and cleanup	3721	# initialisation and cleanup
2310		3722
2311	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2312	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3727	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3728	cf::cleanup "SIG$signal";
2321	},
2322	);	3729	};
		3730	}
		3731	}
		3732
		3733	sub write_runtime_sync {
		3734	my $t0 = AE::time;
		3735
		3736	# first touch the runtime file to show we are still running:
		3737	# the fsync below can take a very very long time.
		3738
		3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3740
		3741	my $guard = cf::lock_acquire "write_runtime";
		3742
		3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3744	or return;
		3745
		3746	my $value = $cf::RUNTIME + 90 + 10;
		3747	# 10 is the runtime save interval, for a monotonic clock
		3748	# 60 allows for the watchdog to kill the server.
		3749
		3750	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3751	and return;
		3752
		3753	# always fsync - this file is important
		3754	aio_fsync $fh
		3755	and return;
		3756
		3757	# touch it again to show we are up-to-date
		3758	aio_utime $fh, undef, undef;
		3759
		3760	close $fh
		3761	or return;
		3762
		3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3764	and return;
		3765
		3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3767
2323	}	3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
2324	}	3819	}
2325		3820
2326	sub emergency_save() {	3821	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2328		3823
2329	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
2330		3830
2331	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2332	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3842	$pl->save;
2340	}	3843	}
2341	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2342		3845
2343	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3851	$map->valid or next;
2347	$map->save;	3852	$map->save;
2348	}	3853	}
2349	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
2350		3855
2351	warn "begin emergency database checkpoint\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3859	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3884	};
2355		3885
2356	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2357	}	3887	}
2358		3888
		3889	sub post_cleanup {
		3890	my ($make_core) = @_;
		3891
		3892	IO::AIO::flush;
		3893
		3894	error Carp::longmess "post_cleanup backtrace"
		3895	if $make_core;
		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
		3924	}
		3925
2359	sub reload() {	3926	sub do_reload_perl() {
2360	# can/must only be called in main	3927	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2362	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2363	return;	3930	return;
2364	}	3931	}
2365		3932
2366	warn "reloading...";	3933	return if $RELOAD++;
2367		3934
2368	warn "cancelling server ticker";	3935	my $t1 = AE::time;
2369	$TICK_WATCHER->cancel;
2370		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
		3943	cf::sync_job {
2371	cf::emergency_save;	3944	#cf::emergency_save;
2372		3945
2373	eval {
2374	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "cancelling all WF_AUTOCANCEL watchers";
2377	for (Event::all_watchers) {
2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2379	}
2380
2381	warn "syncing database to disk";
2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383
2384	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	BDB::flush;
2387	IO::AIO::flush;
2388	Coro::cede;
2389	last unless IO::AIO::nreqs || BDB::nreqs;
2390	warn "iterate...";
2391	}
2392
2393	warn "cancelling all extension coros";	3946	trace "perl_reload: cancelling all extension coros";
2394	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
2395	%EXT_CORO = ();	3948	%EXT_CORO = ();
2396		3949
2397	warn "removing commands";	3950	trace "perl_reload: removing commands";
2398	%COMMAND = ();	3951	%COMMAND = ();
2399		3952
2400	warn "removing ext commands";	3953	trace "perl_reload: removing ext/exti commands";
2401	%EXTCMD = ();	3954	%EXTCMD = ();
		3955	%EXTICMD = ();
2402		3956
2403	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
2404	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
2405	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
2406		3960
2407	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
2408	eval {	3962	eval {
2409	$cb->($pkg);	3963	$cb->($pkg);
2410	1	3964	1
2411	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
2412	}	3970	}
2413		3971
2414	warn "... nuking $pkg";
2415	Symbol::delete_package $pkg;
2416	}
2417
2418	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2419	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2421		3975
2422	warn "... unloading $k";	3976	trace "... unloading $k";
2423	delete $INC{$k};	3977	delete $INC{$k};
2424		3978
2425	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
2426	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
2427		3981
2428	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
2429	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
2430	}	3987	}
2431		3988
2432	Symbol::delete_package $k;
2433	}
2434
2435	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
2436	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2438		3992
2439	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
2440	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
		3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2441		3996
2442	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
2443	# and global variables created in xs	3998	# and global variables created in xs
2444	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
2445		4000
2446	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
2447		4002
2448	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
2449	require cf;	4004	require cf;
2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
2451		4006
2452	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
2453	cf::cfg_load;	4008	cf::reload_config;
2454		4009
2455	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
2456	cf::load_extensions;	4011	cf::load_extensions;
2457		4012
		4013	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
2459	_global_reattach;	4015	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
2461	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
		4018	trace "perl_reload: reattaching attachments to players";
		4019	reattach $_ for values %PLAYER;
		4020	}
2462		4021
2463	warn "loading reloadable resources";	4022	cf::_post_init 1;
2464	load_resources;
2465		4023
2466	warn "restarting server ticker";	4024	trace "perl_reload: leaving sync_job";
2467		4025
2468	$TICK_WATCHER->start;	4026	1
		4027	} or do {
		4028	error $@;
		4029	cf::cleanup "perl_reload: error, exiting.";
		4030	};
		4031
		4032	--$RELOAD;
		4033	}
		4034
		4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
		4037	};
		4038
		4039	our $RELOAD_WATCHER; # used only during reload
		4040
		4041	sub reload_perl() {
		4042	# doing reload synchronously and two reloads happen back-to-back,
		4043	# coro crashes during coro_state_free->destroy here.
		4044
		4045	$RELOAD_WATCHER ||= cf::async {
		4046	Coro::AIO::aio_wait cache_extensions;
		4047
		4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4049	do_reload_perl;
		4050	undef $RELOAD_WATCHER;
		4051	};
2469	};	4052	};
2470		4053	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		4054
2482	register_command "reload" => sub {	4055	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
2484		4057
2485	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
2487		4060	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	4061	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	4062	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	4063	};
2500	}	4064	}
2501	};	4065	};
2502		4066
2503	unshift @INC, $LIBDIR;	4067	#############################################################################
2504		4068
2505	my $bug_warning = 0;	4069	my $bug_warning = 0;
2506		4070
2507	$TICK_WATCHER = Event->timer (	4071	our @WAIT_FOR_TICK;
2508	reentrant => 0,	4072	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	4073
2510	prio => 0,	4074	sub wait_for_tick() {
2511	at => $NEXT_TICK || $TICK,	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	4076
2513	cb => sub {	4077	my $signal = new Coro::Signal;
		4078	push @WAIT_FOR_TICK, $signal;
		4079	$signal->wait;
		4080	}
		4081
		4082	sub wait_for_tick_begin() {
		4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4084
		4085	my $signal = new Coro::Signal;
		4086	push @WAIT_FOR_TICK_BEGIN, $signal;
		4087	$signal->wait;
		4088	}
		4089
		4090	sub tick {
2514	if ($Coro::current != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
2517	return;	4094	return;
2518	}	4095	}
2519		4096
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		4098
2526	$WAIT_FOR_TICK->broadcast;	4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4100
2529	Event::sweep;	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2530	Coro::cede_notself;	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4103	Coro::async_pool {
		4104	$Coro::current->{desc} = "runtime saver";
		4105	write_runtime_sync
		4106	or error "ERROR: unable to write runtime file: $!";
		4107	};
		4108	}
		4109
		4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4111	$sig->send;
		4112	}
		4113	while (my $sig = shift @WAIT_FOR_TICK) {
		4114	$sig->send;
		4115	}
		4116
		4117	$LOAD = ($NOW - $TICK_START) / $TICK;
		4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4119
		4120	if (0) {
		4121	if ($NEXT_TICK) {
		4122	my $jitter = $TICK_START - $NEXT_TICK;
		4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4124	debug "jitter $JITTER\n";#d#
2531		4125	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	4126	}
2541	);	4127	}
2542		4128
2543	{	4129	{
2544	BDB::max_poll_time $TICK * 0.1;	4130	# configure BDB
2545	$BDB_POLL_WATCHER = Event->io (	4131
2546	reentrant => 0,
2547	fd => BDB::poll_fileno,
2548	poll => 'r',
2549	prio => 0,
2550	data => WF_AUTOCANCEL,
2551	cb => \&BDB::poll_cb,
2552	);
2553	BDB::min_parallel 8;	4132	BDB::min_parallel 16;
2554		4133	BDB::max_poll_reqs $TICK * 0.1;
2555	BDB::set_sync_prepare {	4134	$AnyEvent::BDB::WATCHER->priority (1);
2556	my $status;
2557	my $current = $Coro::current;
2558	(
2559	sub {
2560	$status = $!;
2561	$current->ready; undef $current;
2562	},
2563	sub {
2564	Coro::schedule while defined $current;
2565	$! = $status;
2566	},
2567	)
2568	};
2569		4135
2570	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
2571	$DB_ENV = BDB::db_env_create;	4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2572		4143
2573	cf::sync_job {	4144	cf::sync_job {
2574	eval {	4145	eval {
2575	BDB::db_env_open	4146	BDB::db_env_open
2576	$DB_ENV,	4147	$DB_ENV,
2577	$BDB_ENV_DIR,	4148	$BDBDIR,
2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580	0666;	4151	0666;
2581		4152
2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4153	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583
2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585	$DB_ENV->set_lk_detect;
2586	};	4154	};
2587		4155
2588	cf::cleanup "db_env_open(db): $@" if $@;	4156	cf::cleanup "db_env_open(db): $@" if $@;
2589	};	4157	};
2590	}	4158	}
		4159
		4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4162	};
		4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4165	};
		4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4168	};
2591	}	4169	}
2592		4170
2593	{	4171	{
		4172	# configure IO::AIO
		4173
2594	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
2595
2596	undef $Coro::AIO::WATCHER;
2597	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
2598	$AIO_POLL_WATCHER = Event->io (	4176	undef $AnyEvent::AIO::WATCHER;
2599	reentrant => 0,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	data => WF_AUTOCANCEL,
2604	cb => \&IO::AIO::poll_cb,
2605	);
2606	}	4177	}
2607		4178
2608	$WRITE_RUNTIME_WATCHER = Event->timer (	4179	our $_log_backtrace;
2609	reentrant => 0,	4180	our $_log_backtrace_last;
2610	data => WF_AUTOCANCEL,	4181
2611	after => 1,	4182	sub _log_backtrace {
2612	interval => 10,	4183	my ($msg, @addr) = @_;
2613	prio => 6, # keep it lowest so it acts like a watchdog	4184
2614	cb => Coro::unblock_sub {	4185	$msg =~ s/\n$//;
2615	write_runtime	4186
2616	or warn "ERROR: unable to write runtime file: $!";	4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4190	# limit the # of concurrent backtraces
		4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
		4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
		4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
		4198	my @bt = fork_call {
		4199	@addr = map { sprintf "%x", $_ } @addr;
		4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4202	or die "addr2line: $!";
		4203
		4204	my @funcs;
		4205	my @res = <$fh>;
		4206	chomp for @res;
		4207	while (@res) {
		4208	my ($func, $line) = splice @res, 0, 2, ();
		4209	push @funcs, "[$func] $line";
		4210	}
		4211
		4212	@funcs
		4213	};
		4214
		4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4217	LOG llevInfo, "[ABT] $_\n" for @bt;
		4218	--$_log_backtrace;
		4219	};
		4220	} else {
		4221	LOG llevInfo, "[ABT] $msg\n";
		4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2617	},	4223	}
2618	);	4224	}
		4225
		4226	# load additional modules
		4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
2619		4229
2620	END { cf::emergency_save }	4230	END { cf::emergency_save }
2621		4231
2622	1	4232	1
2623		4233

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