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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.212 by root, Tue Feb 13 19:25:44 2007 UTC vs.
Revision 1.563 by root, Sat Apr 23 04:56:51 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
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	last;
		1562	}
		1563	}
938	}	1564	};
939	}	1565	}
940		1566
941	#############################################################################	1567	#############################################################################
942		1568
		1569	=back
		1570
943	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
944		1572
945	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
946		1574
947	=cut	1575	=cut
948		1576
949	package cf::player;	1577	package cf::player;
950		1578
…		…
952		1580
953	=head3 cf::player	1581	=head3 cf::player
954		1582
955	=over 4	1583	=over 4
956		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
		1598
957	=item cf::player::find $login	1599	=item cf::player::find $login
958		1600
959	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
960		1602
961	=cut	1603	=cut
962		1604
963	sub playerdir($) {	1605	sub playerdir($) {
964	cf::localdir	1606	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1608	}
970		1609
971	sub path($) {	1610	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1612
974	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
975	}	1614	}
976		1615
977	sub find_active($) {	1616	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
982		1621
983	sub exists($) {	1622	sub exists($) {
984	my ($login) = @_;	1623	my ($login) = @_;
985		1624
986	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
988	}	1627	}
989		1628
990	sub find($) {	1629	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1631	my $login = $_[0];
993		1632
994	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
995		1634
996	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
998	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1000	}	1652	}
1001	}	1653	}
1002	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1003		1668
1004	sub save($) {	1669	sub save($) {
1005	my ($pl) = @_;	1670	my ($pl) = @_;
1006		1671
1007	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1013		1678
1014	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1016		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1017	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1018	Coro::cede;	1688	cf::cede_to_tick;
1019	}	1689	}
1020		1690
1021	sub new($) {	1691	sub new($) {
1022	my ($login) = @_;	1692	my ($login) = @_;
1023		1693
…		…
1029	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1030		1700
1031	$self	1701	$self
1032	}	1702	}
1033		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1034	=item $pl->quit_character	1714	=item $pl->quit_character
1035		1715
1036	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1038		1718
1039	=cut	1719	=cut
1040		1720
1041	sub quit_character {	1721	sub quit_character {
1042	my ($pl) = @_;	1722	my ($pl) = @_;
1043		1723
		1724	my $name = $pl->ob->name;
		1725
1044	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1728
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1048	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1050	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1051		1737
1052	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1742	$pl->destroy;
		1743
		1744	my $prefix = qr<^~\Q$name\E/>;
		1745
		1746	# nuke player maps
		1747	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1748
1057	IO::AIO::aio_rmtree $temp;	1749	IO::AIO::aio_rmtree $temp;
		1750	}
		1751
		1752	=item $pl->kick
		1753
		1754	Kicks a player out of the game. This destroys the connection.
		1755
		1756	=cut
		1757
		1758	sub kick {
		1759	my ($pl, $kicker) = @_;
		1760
		1761	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1762	$pl->killer ("kicked");
		1763	$pl->ns->destroy;
1058	}	1764	}
1059		1765
1060	=item cf::player::list_logins	1766	=item cf::player::list_logins
1061		1767
1062	Returns am arrayref of all valid playernames in the system, can take a	1768	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1064		1770
1065	=cut	1771	=cut
1066		1772
1067	sub list_logins {	1773	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1775	or return [];
1070		1776
1071	my @logins;	1777	my @logins;
1072		1778
1073	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1077		1789
1078	utf8::decode $login;	1790	utf8::decode $login;
1079	push @logins, $login;	1791	push @logins, $login;
1080	}	1792	}
1081		1793
1082	\@logins	1794	\@logins
1083	}	1795	}
1084		1796
1085	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1086		1800
1087	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1088	player. May block.	1802	player. May block.
1089		1803
1090	=cut	1804	=cut
…		…
1108	}	1822	}
1109		1823
1110	\@paths	1824	\@paths
1111	}	1825	}
1112		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1114		1832
1115	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1116		1834
1117	=cut	1835	=cut
1118		1836
1119	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1121		1839
1122	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1841	}
1126		1842
1127	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1128		1885
1129	=back	1886	=back
1130
1131		1887
1132	=head3 cf::map	1888	=head3 cf::map
1133		1889
1134	=over 4	1890	=over 4
1135		1891
…		…
1147	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1149		1905
1150	sub generate_random_map {	1906	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1152	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1153	$self->_create_random_map (	1911	$self->_create_random_map ($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}), $rmp->{custom}
1165	)
1166	}	1912	}
1167		1913
1168	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1169		1915
1170	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1175		1921
1176	sub register {	1922	sub register {
1177	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1178	my $pkg = caller;	1924	my $pkg = caller;
1179		1925
1180	no strict;
1181	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1182		1927
1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184	}	1929	}
1185		1930
1186	# also paths starting with '/'	1931	# also paths starting with '/'
1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1188		1933
1189	sub thawer_merge {	1934	sub thawer_merge {
1190	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1191		1936
1192	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1193	local $self->{path};	1938	local $self->{path};
1194	local $self->{load_path};	1939	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1940
1198	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1199	}	1942	}
1200		1943
1201	sub normalise {	1944	sub normalise {
1202	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1203		1946
1204	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1205		1948
1206	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1207		1950
1208	# map plan:	1951	# map plan:
1209	#	1952	#
…		…
1224	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1225	$path = "$base/$path";	1968	$path = "$base/$path";
1226	}	1969	}
1227		1970
1228	for ($path) {	1971	for ($path) {
1229	redo if s{//}{/};
1230	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1231	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1232	}	1974	}
1233		1975
1234	$path	1976	$path
…		…
1248	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1249	return $self;	1991	return $self;
1250	}	1992	}
1251	}	1993	}
1252		1994
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1254	()	1996	()
1255	}	1997	}
1256		1998
		1999	# may re-bless or do other evil things
1257	sub init {	2000	sub init {
1258	my ($self) = @_;	2001	my ($self) = @_;
1259		2002
1260	$self	2003	$self
1261	}	2004	}
…		…
1273		2016
1274	# the original (read-only) location	2017	# the original (read-only) location
1275	sub load_path {	2018	sub load_path {
1276	my ($self) = @_;	2019	my ($self) = @_;
1277		2020
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1279	}	2022	}
1280		2023
1281	# the temporary/swap location	2024	# the temporary/swap location
1282	sub save_path {	2025	sub save_path {
1283	my ($self) = @_;	2026	my ($self) = @_;
1284		2027
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1287	}	2030	}
1288		2031
1289	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1290	sub uniq_path {	2033	sub uniq_path {
1291	my ($self) = @_;	2034	my ($self) = @_;
1292		2035
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1295	}	2038	}
1296		2039
1297	# and all this just because we cannot iterate over	2040	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	2041	my ($self) = @_;
1301		2042
1302	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1304	}	2046	}
1305		2047
1306	sub unlink_save {	2048	sub unlink_save {
1307	my ($self) = @_;	2049	my ($self) = @_;
1308		2050
1309	utf8::encode (my $save = $self->save_path);	2051	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2052	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2053	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	}	2054	}
1318		2055
1319	sub load_header_from($) {	2056	sub load_header_from($) {
1320	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1321		2058
1322	utf8::encode $path;	2059	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1328		2068
1329	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1330		2070
1331	1	2071	1
1332	}	2072	}
…		…
1371	$self->load_header_orig	2111	$self->load_header_orig
1372	or return;	2112	or return;
1373	$self->prepare_orig;	2113	$self->prepare_orig;
1374	}	2114	}
1375		2115
		2116	$self->{deny_reset} = 1
		2117	if $self->no_reset;
		2118
		2119	$self->default_region (cf::region::find_by_path $self->{path})
		2120	unless $self->default_region;
		2121
1376	1	2122	1
1377	}	2123	}
1378		2124
1379	sub find;	2125	sub find;
1380	sub find {	2126	sub find {
1381	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1382		2128
		2129	cf::cede_to_tick;
		2130
1383	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1384		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2135
1387	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1390	or return;	2138	or return;
1391		2139
1392	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1393		2141
1394	$map->load_header	2142	$map->load_header
1395	or return;	2143	or return;
1396		2144
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1400	$map->reset;	2150	$map->reset;
1401	undef $guard;
1402	return find $path;	2151	return find $path;
1403	}	2152	}
1404		2153
1405	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1406	}	2155	}
1407	}	2156	}
1408		2157
1409	sub pre_load { }	2158	sub pre_load { }
1410	sub post_load { }	2159	#sub post_load { } # XS
1411		2160
1412	sub load {	2161	sub load {
1413	my ($self) = @_;	2162	my ($self) = @_;
1414		2163
1415	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1416		2165
1417	my $path = $self->{path};	2166	my $path = $self->{path};
		2167
		2168	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1419		2170
		2171	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2173
1422	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1423		2175
1424	$self->alloc;	2176	$self->alloc;
1425		2177
1426	$self->pre_load;	2178	$self->pre_load;
		2179	cf::cede_to_tick;
1427		2180
1428	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1429	or return;	2185	or return;
1430		2186
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1432	if delete $self->{load_original};	2188	if delete $self->{load_original};
1433		2189
1434	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2191	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2194	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1439	}	2199	}
1440	}
1441		2200
1442	Coro::cede;	2201	$f->resolve_delayed_derefs;
		2202	}
1443		2203
		2204	cf::cede_to_tick;
1444	# now do the right thing for maps	2205	# now do the right thing for maps
1445	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1446
1447	unless ($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)	2207	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2208	unless $self->difficulty;
1455	Coro::cede;	2209	cf::cede_to_tick;
		2210
		2211	unless ($self->{deny_activate}) {
		2212	$self->decay_objects;
		2213	$self->fix_auto_apply;
		2214	$self->update_buttons;
		2215	cf::cede_to_tick;
1456	$self->activate;	2216	$self->activate;
		2217	}
		2218
		2219	$self->{last_save} = $cf::RUNTIME;
		2220	$self->last_access ($cf::RUNTIME);
		2221
		2222	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2223	}
1458		2224
1459	$self->post_load;	2225	$self->post_load;
1460		2226
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2227	1
1462	}	2228	}
1463		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2233	sub customise_for {
1465	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1466		2235
1467	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2237	if $self->per_player;
1469		2238
		2239	# return find "?party/" . $ob->name . "/" . $self->{path}
		2240	# if $self->per_party;
		2241
1470	$self	2242	$self
1471	}	2243	}
1472		2244
1473	# find and load all maps in the 3x3 area around a map	2245	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2246	sub load_neighbours {
1475	my ($map) = @_;	2247	my ($map) = @_;
1476		2248
1477	my @diag; # diagonal neighbours	2249	my @neigh; # diagonal neighbours
1478		2250
1479	for (0 .. 3) {	2251	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2252	my $neigh = $map->tile_path ($_)
1481	or next;	2253	or next;
1482	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1483	or next;	2255	or next;
1484	$neigh->load;	2256	$neigh->load;
1485		2257
		2258	# now find the diagonal neighbours
		2259	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2262	}
1489		2263
1490	for (@diag) {	2264	for (grep defined $_->[0], @neigh) {
		2265	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2266	my $neigh = find $path, $origin
1492	or next;	2267	or next;
1493	$neigh->load;	2268	$neigh->load;
1494	}	2269	}
1495	}	2270	}
1496		2271
1497	sub find_sync {	2272	sub find_sync {
1498	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1499		2274
1500	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1501	}	2279	}
1502		2280
1503	sub do_load_sync {	2281	sub do_load_sync {
1504	my ($map) = @_;	2282	my ($map) = @_;
1505		2283
1506	cf::sync_job { $map->load };	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2285	if $Coro::current == $Coro::main;
		2286
		2287	$map->load;
1507	}	2288	}
1508		2289
1509	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1511		2292
1512	sub find_async {	2293	sub find_async {
1513	my ($path, $origin) = @_;	2294	my ($path, $origin, $load) = @_;
1514		2295
1515	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1516		2297
1517	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2300	}
1520		2301
1521	undef $MAP_PREFETCH{$path};	2302	$MAP_PREFETCH{$path} |= $load;
		2303
1522	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1523	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2309	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2310	$map->load if $v;
		2311	}
1528		2312
1529	delete $MAP_PREFETCH{$path};	2313	delete $MAP_PREFETCH{$k};
1530	}	2314	}
1531	}	2315	}
1532	undef $MAP_PREFETCHER;	2316	undef $MAP_PREFETCHER;
1533	};	2317	};
1534	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1535		2319
1536	()	2320	()
1537	}	2321	}
1538		2322
		2323	# common code, used by both ->save and ->swapout
1539	sub save {	2324	sub _save {
1540	my ($self) = @_;	2325	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2326
1544	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1545		2328
1546	return unless $self->dirty;	2329	return unless $self->dirty;
1547		2330
…		…
1553	return if $self->{deny_save};	2336	return if $self->{deny_save};
1554		2337
1555	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
1556		2339
1557	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
1559	};	2343	};
		2344
		2345	cf::get_slot 0.02;
1560		2346
1561	if ($uniq) {	2347	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2350	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2352	}
1567	}	2353	}
1568		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
1569	sub swap_out {	2363	sub swap_out {
1570	my ($self) = @_;	2364	my ($self) = @_;
1571		2365
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
1577	return if $self->players;	2370	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
1581	$self->clear;	2381	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2382	}
1584		2383
1585	sub reset_at {	2384	sub reset_at {
1586	my ($self) = @_;	2385	my ($self) = @_;
1587		2386
1588	# TODO: safety, remove and allow resettable per-player maps	2387	# 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};	2388	return 1e99 if $self->{deny_reset};
1591		2389
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2390	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2391	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2392
…		…
1605	my ($self) = @_;	2403	my ($self) = @_;
1606		2404
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2406
1609	return if $self->players;	2407	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2408
1612	warn "resetting map ", $self->path;#d#	2409	cf::trace "resetting map ", $self->path, "\n";
1613		2410
1614	$self->in_memory (cf::MAP_SWAPPED);	2411	$self->in_memory (cf::MAP_SWAPPED);
1615		2412
1616	# need to save uniques path	2413	# need to save uniques path
1617	unless ($self->{deny_save}) {	2414	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2418	if $uniq;
1622	}	2419	}
1623		2420
1624	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
1625		2422
		2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2425	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2426
1630	$self->unlink_save;	2427	$self->unlink_save;
1631	$self->destroy;	2428	$self->destroy;
1632	}	2429	}
1633		2430
1634	my $nuke_counter = "aaaa";	2431	my $nuke_counter = "aaaa";
1635		2432
1636	sub nuke {	2433	sub nuke {
1637	my ($self) = @_;	2434	my ($self) = @_;
1638		2435
		2436	{
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
1639	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
1640		2440
1641	$self->unlink_save;	2441	$self->unlink_save;
1642		2442
1643	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2448
1649	$cf::MAP{$self->path} = $self;	2449	$cf::MAP{$self->path} = $self;
		2450	}
1650		2451
1651	$self->reset; # polite request, might not happen	2452	$self->reset; # polite request, might not happen
		2453	}
		2454
		2455	=item $maps = cf::map::tmp_maps
		2456
		2457	Returns an arrayref with all map paths of currently instantiated and saved
		2458	maps. May block.
		2459
		2460	=cut
		2461
		2462	sub tmp_maps() {
		2463	[
		2464	map {
		2465	utf8::decode $_;
		2466	/\.map$/
		2467	? normalise $_
		2468	: ()
		2469	} @{ aio_readdir $TMPDIR or [] }
		2470	]
		2471	}
		2472
		2473	=item $maps = cf::map::random_maps
		2474
		2475	Returns an arrayref with all map paths of currently instantiated and saved
		2476	random maps. May block.
		2477
		2478	=cut
		2479
		2480	sub random_maps() {
		2481	[
		2482	map {
		2483	utf8::decode $_;
		2484	/\.map$/
		2485	? normalise "?random/$_"
		2486	: ()
		2487	} @{ aio_readdir $RANDOMDIR or [] }
		2488	]
1652	}	2489	}
1653		2490
1654	=item cf::map::unique_maps	2491	=item cf::map::unique_maps
1655		2492
1656	Returns an arrayref of paths of all shared maps that have	2493	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2494	instantiated unique items. May block.
1658		2495
1659	=cut	2496	=cut
1660		2497
1661	sub unique_maps() {	2498	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2499	[
1663	or return;	2500	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2501	utf8::decode $_;
1669	next if /\.pst$/;	2502	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2504	? ()
1672	push @paths, cf::map::normalise $_;	2505	: normalise $_
		2506	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2507	]
1674
1675	\@paths
1676	}	2508	}
1677		2509
1678	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
1679		2541
1680	=back	2542	=back
1681		2543
1682	=head3 cf::object	2544	=head3 cf::object
1683		2545
…		…
1687		2549
1688	=over 4	2550	=over 4
1689		2551
1690	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
1691		2553
1692	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
1693		2556
1694	=cut	2557	=cut
1695		2558
1696	sub inv_recursive_;	2559	sub inv_recursive_;
1697	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
1700		2563
1701	sub inv_recursive {	2564	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
1703	}	2566	}
1704		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
1705	package cf;	2596	package cf;
1706		2597
1707	=back	2598	=back
1708		2599
1709	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	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	2607	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
1718		2609
1719	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
1720		2625
1721	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2627	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
1726		2631
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2632	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2633
1729	if ($self->{record_replies}) {	2634	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2635	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2636
1731	} else {	2637	} else {
		2638	my $pl = $self->contr;
		2639
		2640	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2641	my $dialog = $pl->{npc_dialog};
		2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2643
		2644	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2647	}
1734	}	2648	}
		2649	}
		2650
		2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2652
		2653	=cut
		2654
		2655	sub cf::object::send_msg {
		2656	my $pl = shift->contr
		2657	or return;
		2658	$pl->send_msg (@_);
1735	}	2659	}
1736		2660
1737	=item $player_object->may ("access")	2661	=item $player_object->may ("access")
1738		2662
1739	Returns wether the given player is authorized to access resource "access"	2663	Returns wether the given player is authorized to access resource "access"
…		…
1752		2676
1753	=item $player_object->enter_link	2677	=item $player_object->enter_link
1754		2678
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2680
1757	The player should be reasonably safe there for short amounts of time. You	2681	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.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
1759		2685
1760	Will never block.	2686	Will never block.
1761		2687
1762	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
1763		2689
…		…
1783	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2710	my ($self) = @_;
1785		2711
1786	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
1787		2713
		2714	++$self->{_link_recursion};
		2715
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2717
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2719	if $self->map && $self->map->{path} ne "{link}";
1792		2720
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2722	}
1795		2723
1796	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
		2726
		2727	return unless $self->contr->active;
1798		2728
1799	my $link_pos = delete $self->{_link_pos};	2729	my $link_pos = delete $self->{_link_pos};
1800		2730
1801	unless ($map) {	2731	unless ($map) {
1802	# restore original map position	2732	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
1815		2745
1816	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
1819		2749
1820	$map->load;	2750	$map->load;
1821	$map->load_diag;	2751	$map->load_neighbours;
1822		2752
1823	return unless $self->contr->active;	2753	return unless $self->contr->active;
		2754
		2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2756	if ($self->enter_map ($map, $x, $y)) {
		2757	# entering was successful
		2758	delete $self->{_link_recursion};
		2759	# only activate afterwards, to support waiting in hooks
1824	$self->activate_recursive;	2760	$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	$pl->ob->leave_link
1836	};
1837	}
1838	},	2761	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2762
1842	# try to abort aborted map switching on player login :)	2763	}
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		2764
1860	=item $player_object->goto ($path, $x, $y)	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		2766
		2767	Moves the player to the given map-path and coordinates by first freezing
		2768	her, loading and preparing them map, calling the provided $check callback
		2769	that has to return the map if sucecssful, and then unfreezes the player on
		2770	the new (success) or old (failed) map position. In either case, $done will
		2771	be called at the end of this process.
		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
		2775
1862	=cut	2776	=cut
		2777
		2778	our $GOTOGEN;
1863		2779
1864	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
		2788
		2789	# do generation counting so two concurrent goto's will be executed in-order
		2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2791
1867	$self->enter_link;	2792	$self->enter_link;
1868		2793
1869	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
1870	my $map = eval {	2816	my $map = eval {
1871	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
		2818
		2819	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2820	$map = $map->customise_for ($self);
		2821	$map = $check->($map, $x, $y, $self) if $check && $map;
		2822	} else {
		2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2824	}
		2825
1873	$map	2826	$map
		2827	};
		2828
		2829	if ($@) {
		2830	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2832	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2833
		2834	if ($gen == $self->{_goto_generation}) {
		2835	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
		2837	}
		2838
		2839	$done->($self) if $done;
1878	})->prio (1);	2840	})->prio (1);
1879	}	2841	}
1880		2842
1881	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
1882		2844
…		…
1902	}	2864	}
1903		2865
1904	sub prepare_random_map {	2866	sub prepare_random_map {
1905	my ($exit) = @_;	2867	my ($exit) = @_;
1906		2868
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2871	# that depends on the exit object
1912		2872
1913	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2875	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
1920	}	2882	}
1921		2883
1922	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
1923		2885
1924	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
1927		2889
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2892	undef $fh;
1931	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
1932		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
1935	}	2901	}
1936	}	2902	}
1937		2903
1938	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
1940		2906
1941	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
1942		2908
1943	if ($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;	2909	$self->enter_link;
1953		2910
1954	(async {	2911	(async {
1955	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
1956	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
1957	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
1958		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
1959	1;	2935	1
1960	}) {	2936	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2941
1966	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	2943	$self->leave_link;
1968	}	2944	}
1969	})->prio (1);	2945	})->prio (1);
1970	}	2946	}
1971		2947
…		…
1982		2958
1983	sub cf::client::send_drawinfo {	2959	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2960	my ($self, $text, $flags) = @_;
1985		2961
1986	utf8::encode $text;	2962	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2964	}
1989		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
		2989	}
		2990
		2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2992
		2993	Send a drawinfo or msg packet to the client, formatting the msg for the
		2994	client if neccessary. C<$type> should be a string identifying the type of
		2995	the message, with C<log> being the default. If C<$color> is negative, suppress
		2996	the message unless the client supports the msg packet.
		2997
		2998	=cut
		2999
		3000	# non-persistent channels (usually the info channel)
		3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
		3008	"c/identify" => {
		3009	id => "infobox",
		3010	title => "Identify",
		3011	reply => undef,
		3012	tooltip => "Items recently identified",
		3013	},
		3014	"c/examine" => {
		3015	id => "infobox",
		3016	title => "Examine",
		3017	reply => undef,
		3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
		3112	);
		3113
		3114	sub cf::client::send_msg {
		3115	my ($self, $channel, $msg, $color, @extra) = @_;
		3116
		3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
		3119
		3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3121
		3122	# check predefined channels, for the benefit of C
		3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
		3129	} elsif (ref $channel) {
		3130	# send meta info to client, if not yet sent
		3131	unless (exists $self->{channel}{$channel->{id}}) {
		3132	$self->{channel}{$channel->{id}} = $channel;
		3133	$self->ext_msg (channel_info => $channel);
		3134	}
		3135
		3136	$channel = $channel->{id};
		3137	}
		3138
		3139	return unless @extra || length $msg;
		3140
		3141	# default colour, mask it out
		3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3143	if $color & cf::NDI_DEF;
		3144
		3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
		3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3148	);
		3149
		3150	$self->send_big_packet ($pkt);
		3151	}
		3152
		3153	=item $client->ext_msg ($type, @msg)
		3154
		3155	Sends an ext event to the client.
		3156
		3157	=cut
		3158
		3159	sub cf::client::ext_msg($$@) {
		3160	my ($self, $type, @msg) = @_;
		3161
		3162	if ($self->extcmd == 2) {
		3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3164	} elsif ($self->extcmd == 1) { # TODO: remove
		3165	push @msg, msgtype => "event_$type";
		3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3167	}
		3168	}
		3169
		3170	=item $client->ext_reply ($msgid, @msg)
		3171
		3172	Sends an ext reply to the client.
		3173
		3174	=cut
		3175
		3176	sub cf::client::ext_reply($$@) {
		3177	my ($self, $id, @msg) = @_;
		3178
		3179	if ($self->extcmd == 2) {
		3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3181	} elsif ($self->extcmd == 1) {
		3182	#TODO: version 1, remove
		3183	unshift @msg, msgtype => "reply", msgid => $id;
		3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3185	}
		3186	}
1990		3187
1991	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
1992		3189
1993	Queues a query to the client, calling the given callback with	3190	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>,	3191	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>.	3192	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		3193
1997	Queries can fail, so check the return code. Or don't, as queries will become	3194	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	3195	become reliable at some point in the future.
1999		3196
2000	=cut	3197	=cut
2001		3198
2002	sub cf::client::query {	3199	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3200	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3208	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3209	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3210
2014	$self->send_packet ($self->{query_queue}[0][0])	3211	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3212	if @{ $self->{query_queue} } == 1;
		3213
		3214	1
2016	}	3215	}
2017		3216
2018	cf::client->attach (	3217	cf::client->attach (
		3218	on_connect => sub {
		3219	my ($ns) = @_;
		3220
		3221	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3222	},
2019	on_reply => sub {	3223	on_reply => sub {
2020	my ($ns, $msg) = @_;	3224	my ($ns, $msg) = @_;
2021		3225
2022	# this weird shuffling is so that direct followup queries	3226	# this weird shuffling is so that direct followup queries
2023	# get handled first	3227	# get handled first
…		…
2035	} else {	3239	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3240	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3241	}
2038	}	3242	}
2039	},	3243	},
		3244	on_exticmd => sub {
		3245	my ($ns, $buf) = @_;
		3246
		3247	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3248
		3249	if (ref $msg) {
		3250	my ($type, $reply, @payload) =
		3251	"ARRAY" eq ref $msg
		3252	? @$msg
		3253	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3254
		3255	my @reply;
		3256
		3257	if (my $cb = $EXTICMD{$type}) {
		3258	@reply = $cb->($ns, @payload);
		3259	}
		3260
		3261	$ns->ext_reply ($reply, @reply)
		3262	if $reply;
		3263
		3264	} else {
		3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3266	}
		3267
		3268	cf::override;
		3269	},
2040	);	3270	);
2041		3271
2042	=item $client->async (\&cb)	3272	=item $client->async (\&cb)
2043		3273
2044	Create a new coroutine, running the specified callback. The coroutine will	3274	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3290
2061	$coro	3291	$coro
2062	}	3292	}
2063		3293
2064	cf::client->attach (	3294	cf::client->attach (
2065	on_destroy => sub {	3295	on_client_destroy => sub {
2066	my ($ns) = @_;	3296	my ($ns) = @_;
2067		3297
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3299	},
2070	);	3300	);
…		…
2085	our $safe = new Safe "safe";	3315	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2087		3317
2088	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2089		3319
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3320	$safe->permit_only (Opcode::opset qw(
		3321	:base_core :base_mem :base_orig :base_math :base_loop
		3322	grepstart grepwhile mapstart mapwhile
		3323	sort time
		3324	));
2091		3325
2092	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
2093		3327
2094	=pod	3328	=pod
2095		3329
2096	The following fucntions and emthods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2097		3331
2098	cf::object contr pay_amount pay_player map	3332	cf::object
		3333	contr pay_amount pay_player map x y force_find force_add destroy
		3334	insert remove name archname title slaying race decrease split
		3335	value
		3336
2099	cf::object::player player	3337	cf::object::player
2100	cf::player peaceful	3338	player
2101	cf::map trigger	3339
		3340	cf::player
		3341	peaceful
		3342
		3343	cf::map
		3344	trigger
2102		3345
2103	=cut	3346	=cut
2104		3347
2105	for (	3348	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3350	insert remove inv nrof name archname title slaying race
		3351	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2110	) {	3355	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3358	for @funs;
2115	}	3359	}
2116		3360
…		…
2131		3375
2132	my $qcode = $code;	3376	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2135		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2136	local $_;	3383	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3384
2139	my $eval =	3385	my $eval =
2140	"do {\n"	3386	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3389	. $code
2144	. "\n}"	3390	. "\n}"
2145	;	3391	;
2146		3392
		3393	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2150		3402
2151	if ($@) {	3403	if ($@) {
2152	warn "$@";	3404	warn "$@",
2153	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2155	}	3407	}
2156		3408
2157	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2158	}	3410	}
2159		3411
…		…
2173	=cut	3425	=cut
2174		3426
2175	sub register_script_function {	3427	sub register_script_function {
2176	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2177		3429
2178	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2180	}	3432	}
2181		3433
2182	=back	3434	=back
2183		3435
2184	=cut	3436	=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 $_[2], 0, sub { };
2256	}
2257		3437
2258	#############################################################################	3438	#############################################################################
2259	# the server's init and main functions	3439	# the server's init and main functions
2260		3440
		3441	sub load_facedata($) {
		3442	my ($path) = @_;
		3443
		3444	# HACK to clear player env face cache, we need some signal framework
		3445	# for this (global event?)
		3446	%ext::player_env::MUSIC_FACE_CACHE = ();
		3447
		3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3449
		3450	trace "loading facedata from $path\n";
		3451
		3452	my $facedata = decode_storable load_file $path;
		3453
		3454	$facedata->{version} == 2
		3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3456
		3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3459	$facedata->{resource}{"res/exp_table"} = {
		3460	type => FT_RSRC,
		3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
		3463	};
		3464	cf::cede_to_tick;
		3465
		3466	{
		3467	my $faces = $facedata->{faceinfo};
		3468
		3469	while (my ($face, $info) = each %$faces) {
		3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
		3472	cf::face::set_visibility $idx, $info->{visibility};
		3473	cf::face::set_magicmap $idx, $info->{magicmap};
		3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3477
		3478	cf::cede_to_tick;
		3479	}
		3480
		3481	while (my ($face, $info) = each %$faces) {
		3482	next unless $info->{smooth};
		3483
		3484	my $idx = cf::face::find $face
		3485	or next;
		3486
		3487	if (my $smooth = cf::face::find $info->{smooth}) {
		3488	cf::face::set_smooth $idx, $smooth;
		3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3490	} else {
		3491	error "smooth face '$info->{smooth}' not found for face '$face'";
		3492	}
		3493
		3494	cf::cede_to_tick;
		3495	}
		3496	}
		3497
		3498	{
		3499	my $anims = $facedata->{animinfo};
		3500
		3501	while (my ($anim, $info) = each %$anims) {
		3502	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3503	cf::cede_to_tick;
		3504	}
		3505
		3506	cf::anim::invalidate_all; # d'oh
		3507	}
		3508
		3509	{
		3510	my $res = $facedata->{resource};
		3511
		3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
		3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3515
		3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3517	cf::face::set_type $idx, $info->{type};
		3518	} else {
		3519	$RESOURCE{$name} = $info; # unused
		3520	}
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3527
		3528	1
		3529	}
		3530
		3531	register_exticmd fx_want => sub {
		3532	my ($ns, $want) = @_;
		3533
		3534	while (my ($k, $v) = each %$want) {
		3535	$ns->fx_want ($k, $v);
		3536	}
		3537	};
		3538
2261	sub load_resources {	3539	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
		3548
		3549	sub reload_regions {
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3555	or die "unable to load regions file\n";
2264	}
2265		3556
2266	sub cfg_load {	3557	for (cf::region::list) {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3558	$_->{match} = qr/$_->{match}/
2268	or return;	3559	if exists $_->{match};
		3560	}
		3561	}
2269		3562
2270	local $/;	3563	sub reload_facedata {
2271	*CFG = YAML::Syck::Load <$fh>;	3564	load_facedata "$DATADIR/facedata"
		3565	or die "unable to load facedata\n";
		3566	}
2272		3567
		3568	sub reload_archetypes {
		3569	load_resource_file "$DATADIR/archetypes"
		3570	or die "unable to load archetypes\n";
		3571	}
		3572
		3573	sub reload_treasures {
		3574	load_resource_file "$DATADIR/treasures"
		3575	or die "unable to load treasurelists\n";
		3576	}
		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
		3598	sub reload_resources {
		3599	trace "reloading resource files...\n";
		3600
		3601	reload_exp_table;
		3602	reload_materials;
		3603	reload_facedata;
		3604	reload_sound;
		3605	reload_archetypes;
		3606	reload_regions;
		3607	reload_treasures;
		3608
		3609	trace "finished reloading resource files\n";
		3610	}
		3611
		3612	sub reload_config {
		3613	trace "reloading config file...\n";
		3614
		3615	my $config = load_file "$CONFDIR/config";
		3616	utf8::decode $config;
		3617	*CFG = decode_yaml $config;
		3618
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3620
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$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};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2277		3623
2278	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
2282	};	3628	};
2283	warn $@ if $@;	3629	warn $@ if $@;
2284	}	3630	}
2285	}	3631	}
2286		3632
2287	sub init {	3633	sub pidfile() {
2288	load_resources;	3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3659	}
2290		3660
2291	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
2292	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3674	(async {
2296	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
2298	};	3678	};
2299		3679
2300	cfg_load;	3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
		3692	reload_config;
2301	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
2302	load_extensions;	3703	load_extensions;
2303		3704
2304	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
2305	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
2306	}	3723	}
2307		3724
2308	#############################################################################	3725	#############################################################################
2309	# initialisation and cleanup	3726	# initialisation and cleanup
2310		3727
2311	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
2312	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3732	$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";	3733	cf::cleanup "SIG$signal";
2321	},
2322	);	3734	};
		3735	}
		3736	}
		3737
		3738	sub write_runtime_sync {
		3739	my $t0 = AE::time;
		3740
		3741	# first touch the runtime file to show we are still running:
		3742	# the fsync below can take a very very long time.
		3743
		3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3745
		3746	my $guard = cf::lock_acquire "write_runtime";
		3747
		3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3749	or return;
		3750
		3751	my $value = $cf::RUNTIME + 90 + 10;
		3752	# 10 is the runtime save interval, for a monotonic clock
		3753	# 60 allows for the watchdog to kill the server.
		3754
		3755	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3756	and return;
		3757
		3758	# always fsync - this file is important
		3759	aio_fsync $fh
		3760	and return;
		3761
		3762	# touch it again to show we are up-to-date
		3763	aio_utime $fh, undef, undef;
		3764
		3765	close $fh
		3766	or return;
		3767
		3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3769	and return;
		3770
		3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3772
2323	}	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
2324	}	3824	}
2325		3825
2326	sub emergency_save() {	3826	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
2328		3828
2329	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
2330		3835
2331	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
2332	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3847	$pl->save;
2340	}	3848	}
2341	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
2342		3850
2343	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3856	$map->valid or next;
2347	$map->save;	3857	$map->save;
2348	}	3858	}
2349	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
2350		3860
2351	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3889	};
2355		3890
2356	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
2357	}	3892	}
2358		3893
2359	sub post_cleanup {	3894	sub post_cleanup {
2360	my ($make_core) = @_;	3895	my ($make_core) = @_;
2361		3896
		3897	IO::AIO::flush;
		3898
2362	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3900	if $make_core;
2364	}
2365		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
		3929	}
		3930
2366	sub reload() {	3931	sub do_reload_perl() {
2367	# can/must only be called in main	3932	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
2369	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
2370	return;	3935	return;
2371	}	3936	}
2372		3937
2373	warn "reloading...";	3938	return if $RELOAD++;
2374		3939
2375	warn "entering sync_job";	3940	my $t1 = AE::time;
2376		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
2377	sync_job {	3948	cf::sync_job {
2378	write_runtime;
2379	cf::emergency_save;	3949	#cf::emergency_save;
2380	write_runtime;
2381		3950
2382	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;
2384
2385	# if anything goes wrong in here, we should simply crash as we already saved
2386
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";
2399	}
2400
2401	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3953	%EXT_CORO = ();
2404		3954
2405	warn "removing commands";	3955	trace "perl_reload: removing commands";
2406	%COMMAND = ();	3956	%COMMAND = ();
2407		3957
2408	warn "removing ext commands";	3958	trace "perl_reload: removing ext/exti commands";
2409	%EXTCMD = ();	3959	%EXTCMD = ();
		3960	%EXTICMD = ();
2410		3961
2411	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
2414		3965
2415	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
2416	eval {	3967	eval {
2417	$cb->($pkg);	3968	$cb->($pkg);
2418	1	3969	1
2419	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
2420	}	3975	}
2421		3976
2422	warn "... nuking $pkg";
2423	Symbol::delete_package $pkg;
2424	}
2425
2426	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2427	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		3980
2430	warn "... unloading $k";	3981	trace "... unloading $k";
2431	delete $INC{$k};	3982	delete $INC{$k};
2432		3983
2433	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
2435		3986
2436	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
2437	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
2438	}	3992	}
2439		3993
2440	Symbol::delete_package $k;
2441	}
2442
2443	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3997
2447	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
		4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2449		4001
2450	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
2451	# and global variables created in xs	4003	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
2453		4005
2454	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
2455		4007
2456	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
2457	require cf;	4009	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
2459		4011
2460	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
2461	cf::cfg_load;	4013	cf::reload_config;
2462		4014
2463	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
2464	cf::load_extensions;	4016	cf::load_extensions;
2465		4017
		4018	if ($REATTACH_ON_RELOAD) {
2466	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
2467	_global_reattach;	4020	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
2469	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
		4023	trace "perl_reload: reattaching attachments to players";
		4024	reattach $_ for values %PLAYER;
		4025	}
2470		4026
2471	warn "loading reloadable resources";	4027	cf::_post_init 1;
2472	load_resources;
2473		4028
2474	warn "leaving sync_job";	4029	trace "perl_reload: leaving sync_job";
2475		4030
2476	1	4031	1
2477	} or do {	4032	} or do {
2478	warn $@;	4033	error $@;
2479	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
2480	exit 1;	4035	};
		4036
		4037	--$RELOAD;
		4038	}
		4039
		4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
		4042	};
		4043
		4044	our $RELOAD_WATCHER; # used only during reload
		4045
		4046	sub reload_perl() {
		4047	# doing reload synchronously and two reloads happen back-to-back,
		4048	# coro crashes during coro_state_free->destroy here.
		4049
		4050	$RELOAD_WATCHER ||= cf::async {
		4051	Coro::AIO::aio_wait cache_extensions;
		4052
		4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4054	do_reload_perl;
		4055	undef $RELOAD_WATCHER;
		4056	};
2481	};	4057	};
2482		4058	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		4059
2488	register_command "reload" => sub {	4060	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
2490		4062
2491	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
2493		4065	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	4066	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	4067	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	4068	};
2506	}	4069	}
2507	};	4070	};
2508		4071
2509	unshift @INC, $LIBDIR;	4072	#############################################################################
2510		4073
2511	my $bug_warning = 0;	4074	my $bug_warning = 0;
2512		4075
2513	$TICK_WATCHER = Event->timer (	4076	our @WAIT_FOR_TICK;
2514	reentrant => 0,	4077	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	4078
2516	prio => 0,	4079	sub wait_for_tick() {
2517	at => $NEXT_TICK || $TICK,	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2518	data => WF_AUTOCANCEL,	4081
2519	cb => sub {	4082	my $signal = new Coro::Signal;
		4083	push @WAIT_FOR_TICK, $signal;
		4084	$signal->wait;
		4085	}
		4086
		4087	sub wait_for_tick_begin() {
		4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4089
		4090	my $signal = new Coro::Signal;
		4091	push @WAIT_FOR_TICK_BEGIN, $signal;
		4092	$signal->wait;
		4093	}
		4094
		4095	sub tick {
2520	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2523	return;	4099	return;
2524	}	4100	}
2525		4101
2526	$NOW = Event::time;
2527
2528	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		4103
2532	$WAIT_FOR_TICK->broadcast;	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2534		4105
2535	# my $AFTER = Event::time;	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	# warn $AFTER - $NOW;#d#	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2537		4108	Coro::async_pool {
2538	# if we are delayed by four ticks or more, skip them all	4109	$Coro::current->{desc} = "runtime saver";
2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4110	write_runtime_sync
2540		4111	or error "ERROR: unable to write runtime file: $!";
2541	$TICK_WATCHER->at ($NEXT_TICK);	4112	};
2542	$TICK_WATCHER->start;
2543	},	4113	}
2544	);	4114
		4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4116	$sig->send;
		4117	}
		4118	while (my $sig = shift @WAIT_FOR_TICK) {
		4119	$sig->send;
		4120	}
		4121
		4122	$LOAD = ($NOW - $TICK_START) / $TICK;
		4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4124
		4125	if (0) {
		4126	if ($NEXT_TICK) {
		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
		4131	}
		4132	}
2545		4133
2546	{	4134	{
2547	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
2548	$BDB_POLL_WATCHER = Event->io (	4136
2549	reentrant => 0,
2550	fd => BDB::poll_fileno,
2551	poll => 'r',
2552	prio => 0,
2553	data => WF_AUTOCANCEL,
2554	cb => \&BDB::poll_cb,
2555	);
2556	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
2557		4138	BDB::max_poll_reqs $TICK * 0.1;
2558	BDB::set_sync_prepare {	4139	$AnyEvent::BDB::WATCHER->priority (1);
2559	my $status;
2560	my $current = $Coro::current;
2561	(
2562	sub {
2563	$status = $!;
2564	$current->ready; undef $current;
2565	},
2566	sub {
2567	Coro::schedule while defined $current;
2568	$! = $status;
2569	},
2570	)
2571	};
2572		4140
2573	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
2574	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2575		4148
2576	cf::sync_job {	4149	cf::sync_job {
2577	eval {	4150	eval {
2578	BDB::db_env_open	4151	BDB::db_env_open
2579	$DB_ENV,	4152	$DB_ENV,
2580	$BDB_ENV_DIR,	4153	$BDBDIR,
2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2583	0666;	4156	0666;
2584		4157
2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2586
2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2588	$DB_ENV->set_lk_detect;
2589	};	4159	};
2590		4160
2591	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
2592	};	4162	};
2593	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
2594	}	4174	}
2595		4175
2596	{	4176	{
		4177	# configure IO::AIO
		4178
2597	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
2598
2599	undef $Coro::AIO::WATCHER;
2600	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
2601	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
2602	reentrant => 0,
2603	fd => IO::AIO::poll_fileno,
2604	poll => 'r',
2605	prio => 6,
2606	data => WF_AUTOCANCEL,
2607	cb => \&IO::AIO::poll_cb,
2608	);
2609	}	4182	}
2610		4183
2611	$WRITE_RUNTIME_WATCHER = Event->timer (	4184	our $_log_backtrace;
2612	reentrant => 0,	4185	our $_log_backtrace_last;
2613	data => WF_AUTOCANCEL,
2614	parked => 1,
2615	after => 1,
2616	interval => 10,
2617	prio => 6, # keep it lowest so it acts like a watchdog
2618	cb => sub {
2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2620		4186
2621	Coro::async_pool {	4187	sub _log_backtrace {
2622	write_runtime	4188	my ($msg, @addr) = @_;
2623	or warn "ERROR: unable to write runtime file: $!";	4189
		4190	$msg =~ s/\n$//;
		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4195	# limit the # of concurrent backtraces
		4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
		4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
		4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
		4203	my @bt = fork_call {
		4204	@addr = map { sprintf "%x", $_ } @addr;
		4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4207	or die "addr2line: $!";
		4208
		4209	my @funcs;
		4210	my @res = <$fh>;
		4211	chomp for @res;
		4212	while (@res) {
		4213	my ($func, $line) = splice @res, 0, 2, ();
		4214	push @funcs, "[$func] $line";
		4215	}
		4216
		4217	@funcs
		4218	};
		4219
		4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4222	LOG llevInfo, "[ABT] $_\n" for @bt;
		4223	--$_log_backtrace;
2624	};	4224	};
		4225	} else {
		4226	LOG llevInfo, "[ABT] $msg\n";
		4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2625	},	4228	}
2626	);	4229	}
		4230
		4231	# load additional modules
		4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
2627		4234
2628	END { cf::emergency_save }	4235	END { cf::emergency_save }
2629		4236
2630	1	4237	1
2631		4238

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